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Symbian3/Examples/guid-6013a680-57f9-415b-8851-c4fa63356636/imgexam_8c_source.html
author Dominic Pinkman <dominic.pinkman@nokia.com>
Fri, 11 Jun 2010 15:24:34 +0100
changeset 9 59758314f811
parent 6 43e37759235e
permissions -rw-r--r--
Week 23 contribution of PDK documentation content. See release notes for details. Fixes bugs Bug 2714, Bug 462.
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html xmlns="http://www.w3.org/1999/xhtml">
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<head>
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<title>TB9.2 Example Applications: examples/PIPS/antiword/src/imgexam.c Source File</title>
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<link href="tabs.css" rel="stylesheet" type="text/css"/>
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<link href="doxygen.css" rel="stylesheet" type="text/css"/>
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</head>
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<body>
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<!-- Generated by Doxygen 1.6.2 -->
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<h1>examples/PIPS/antiword/src/imgexam.c</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span>
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<a name="l00002"></a>00002 <span class="comment"> * imgexam.c</span>
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<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 2000-2004 A.J. van Os; Released under GNU GPL</span>
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<a name="l00004"></a>00004 <span class="comment"> *</span>
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<a name="l00005"></a>00005 <span class="comment"> * Description:</span>
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<a name="l00006"></a>00006 <span class="comment"> * Functions to examine image headers</span>
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<a name="l00007"></a>00007 <span class="comment"> *</span>
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<a name="l00008"></a>00008 <span class="comment"> *================================================================</span>
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<a name="l00009"></a>00009 <span class="comment"> * Part of this software is based on:</span>
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<a name="l00010"></a>00010 <span class="comment"> * jpeg2ps - convert JPEG compressed images to PostScript Level 2</span>
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<a name="l00011"></a>00011 <span class="comment"> * Copyright (C) 1994-99 Thomas Merz (tm@muc.de)</span>
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<a name="l00012"></a>00012 <span class="comment"> *================================================================</span>
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<a name="l00013"></a>00013 <span class="comment"> * The credit should go to him, but all the bugs are mine.</span>
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<a name="l00014"></a>00014 <span class="comment"> */</span>
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<a name="l00015"></a>00015
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<a name="l00016"></a>00016 <span class="preprocessor">#include &lt;stdio.h&gt;</span>
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<a name="l00017"></a>00017 <span class="preprocessor">#include &lt;string.h&gt;</span>
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<a name="l00018"></a>00018 <span class="preprocessor">#include &lt;ctype.h&gt;</span>
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<a name="l00019"></a>00019 <span class="preprocessor">#include &quot;antiword.h&quot;</span>
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<a name="l00020"></a>00020
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<a name="l00021"></a>00021 <span class="comment">/* BMP compression types */</span>
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<a name="l00022"></a>00022 <span class="preprocessor">#define BI_RGB          0</span>
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<a name="l00023"></a>00023 <span class="preprocessor"></span><span class="preprocessor">#define BI_RLE8         1</span>
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<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="preprocessor">#define BI_RLE4         2</span>
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<a name="l00025"></a>00025 <span class="preprocessor"></span>
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<a name="l00026"></a>00026 <span class="comment">/* PNG colortype bits */</span>
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<a name="l00027"></a>00027 <span class="preprocessor">#define PNG_CB_PALETTE          0x01</span>
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<a name="l00028"></a>00028 <span class="preprocessor"></span><span class="preprocessor">#define PNG_CB_COLOR            0x02</span>
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<a name="l00029"></a>00029 <span class="preprocessor"></span><span class="preprocessor">#define PNG_CB_ALPHA            0x04</span>
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<a name="l00030"></a>00030 <span class="preprocessor"></span>
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<a name="l00031"></a>00031 <span class="comment">/* Instance signature */</span>
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<a name="l00032"></a>00032 <span class="preprocessor">#define MSOBI_WMF       0x0216</span>
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<a name="l00033"></a>00033 <span class="preprocessor"></span><span class="preprocessor">#define MSOBI_EMF       0x03d4</span>
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<a name="l00034"></a>00034 <span class="preprocessor"></span><span class="preprocessor">#define MSOBI_PICT      0x0542</span>
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<a name="l00035"></a>00035 <span class="preprocessor"></span><span class="preprocessor">#define MSOBI_PNG       0x06e0</span>
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<a name="l00036"></a>00036 <span class="preprocessor"></span><span class="preprocessor">#define MSOBI_JPEG      0x046a</span>
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<a name="l00037"></a>00037 <span class="preprocessor"></span><span class="preprocessor">#define MSOBI_DIB       0x07a8</span>
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<a name="l00038"></a>00038 <span class="preprocessor"></span>
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<a name="l00039"></a>00039 <span class="comment">/* The following enum is stolen from the IJG JPEG library */</span>
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<a name="l00040"></a>00040 <span class="keyword">typedef</span> <span class="keyword">enum</span> {          <span class="comment">/* JPEG marker codes                    */</span>
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<a name="l00041"></a>00041         M_SOF0  = 0xc0, <span class="comment">/* baseline DCT                         */</span>
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<a name="l00042"></a>00042         M_SOF1  = 0xc1, <span class="comment">/* extended sequential DCT              */</span>
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<a name="l00043"></a>00043         M_SOF2  = 0xc2, <span class="comment">/* progressive DCT                      */</span>
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<a name="l00044"></a>00044         M_SOF3  = 0xc3, <span class="comment">/* lossless (sequential)                */</span>
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<a name="l00045"></a>00045
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<a name="l00046"></a>00046         M_SOF5  = 0xc5, <span class="comment">/* differential sequential DCT          */</span>
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<a name="l00047"></a>00047         M_SOF6  = 0xc6, <span class="comment">/* differential progressive DCT         */</span>
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<a name="l00048"></a>00048         M_SOF7  = 0xc7, <span class="comment">/* differential lossless                */</span>
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<a name="l00049"></a>00049
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<a name="l00050"></a>00050         M_JPG   = 0xc8, <span class="comment">/* JPEG extensions                      */</span>
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<a name="l00051"></a>00051         M_SOF9  = 0xc9, <span class="comment">/* extended sequential DCT              */</span>
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<a name="l00052"></a>00052         M_SOF10 = 0xca, <span class="comment">/* progressive DCT                      */</span>
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<a name="l00053"></a>00053         M_SOF11 = 0xcb, <span class="comment">/* lossless (sequential)                */</span>
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<a name="l00054"></a>00054
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<a name="l00055"></a>00055         M_SOF13 = 0xcd, <span class="comment">/* differential sequential DCT          */</span>
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<a name="l00056"></a>00056         M_SOF14 = 0xce, <span class="comment">/* differential progressive DCT         */</span>
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<a name="l00057"></a>00057         M_SOF15 = 0xcf, <span class="comment">/* differential lossless                */</span>
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<a name="l00058"></a>00058
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<a name="l00059"></a>00059         M_DHT   = 0xc4, <span class="comment">/* define Huffman tables                */</span>
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<a name="l00060"></a>00060
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<a name="l00061"></a>00061         M_DAC   = 0xcc, <span class="comment">/* define arithmetic conditioning table */</span>
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<a name="l00062"></a>00062
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<a name="l00063"></a>00063         M_RST0  = 0xd0, <span class="comment">/* restart                              */</span>
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<a name="l00064"></a>00064         M_RST1  = 0xd1, <span class="comment">/* restart                              */</span>
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<a name="l00065"></a>00065         M_RST2  = 0xd2, <span class="comment">/* restart                              */</span>
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<a name="l00066"></a>00066         M_RST3  = 0xd3, <span class="comment">/* restart                              */</span>
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<a name="l00067"></a>00067         M_RST4  = 0xd4, <span class="comment">/* restart                              */</span>
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<a name="l00068"></a>00068         M_RST5  = 0xd5, <span class="comment">/* restart                              */</span>
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<a name="l00069"></a>00069         M_RST6  = 0xd6, <span class="comment">/* restart                              */</span>
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<a name="l00070"></a>00070         M_RST7  = 0xd7, <span class="comment">/* restart                              */</span>
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<a name="l00071"></a>00071
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<a name="l00072"></a>00072         M_SOI   = 0xd8, <span class="comment">/* start of image                       */</span>
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<a name="l00073"></a>00073         M_EOI   = 0xd9, <span class="comment">/* end of image                         */</span>
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<a name="l00074"></a>00074         M_SOS   = 0xda, <span class="comment">/* start of scan                        */</span>
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<a name="l00075"></a>00075         M_DQT   = 0xdb, <span class="comment">/* define quantization tables           */</span>
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<a name="l00076"></a>00076         M_DNL   = 0xdc, <span class="comment">/* define number of lines               */</span>
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<a name="l00077"></a>00077         M_DRI   = 0xdd, <span class="comment">/* define restart interval              */</span>
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<a name="l00078"></a>00078         M_DHP   = 0xde, <span class="comment">/* define hierarchical progression      */</span>
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<a name="l00079"></a>00079         M_EXP   = 0xdf, <span class="comment">/* expand reference image(s)            */</span>
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<a name="l00080"></a>00080
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<a name="l00081"></a>00081         M_APP0  = 0xe0, <span class="comment">/* application marker, used for JFIF    */</span>
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<a name="l00082"></a>00082         M_APP1  = 0xe1, <span class="comment">/* application marker                   */</span>
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<a name="l00083"></a>00083         M_APP2  = 0xe2, <span class="comment">/* application marker                   */</span>
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<a name="l00084"></a>00084         M_APP3  = 0xe3, <span class="comment">/* application marker                   */</span>
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<a name="l00085"></a>00085         M_APP4  = 0xe4, <span class="comment">/* application marker                   */</span>
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<a name="l00086"></a>00086         M_APP5  = 0xe5, <span class="comment">/* application marker                   */</span>
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diff changeset 
    97
 
<a name="l00087"></a>00087         M_APP6  = 0xe6, <span class="comment">/* application marker                   */</span>
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diff changeset 
    98
 
<a name="l00088"></a>00088         M_APP7  = 0xe7, <span class="comment">/* application marker                   */</span>
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diff changeset 
    99
 
<a name="l00089"></a>00089         M_APP8  = 0xe8, <span class="comment">/* application marker                   */</span>
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diff changeset 
   100
 
<a name="l00090"></a>00090         M_APP9  = 0xe9, <span class="comment">/* application marker                   */</span>
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diff changeset 
   101
 
<a name="l00091"></a>00091         M_APP10 = 0xea, <span class="comment">/* application marker                   */</span>
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diff changeset 
   102
 
<a name="l00092"></a>00092         M_APP11 = 0xeb, <span class="comment">/* application marker                   */</span>
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diff changeset 
   103
 
<a name="l00093"></a>00093         M_APP12 = 0xec, <span class="comment">/* application marker                   */</span>
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diff changeset 
   104
 
<a name="l00094"></a>00094         M_APP13 = 0xed, <span class="comment">/* application marker                   */</span>
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parents:
diff changeset 
   105
 
<a name="l00095"></a>00095         M_APP14 = 0xee, <span class="comment">/* application marker, used by Adobe    */</span>
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parents:
diff changeset 
   106
 
<a name="l00096"></a>00096         M_APP15 = 0xef, <span class="comment">/* application marker                   */</span>
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diff changeset 
   107
 
<a name="l00097"></a>00097
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diff changeset 
   108
 
<a name="l00098"></a>00098         M_JPG0  = 0xf0, <span class="comment">/* reserved for JPEG extensions         */</span>
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diff changeset 
   109
 
<a name="l00099"></a>00099         M_JPG13 = 0xfd, <span class="comment">/* reserved for JPEG extensions         */</span>
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diff changeset 
   110
 
<a name="l00100"></a>00100         M_COM   = 0xfe, <span class="comment">/* comment                              */</span>
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diff changeset 
   111
 
<a name="l00101"></a>00101
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diff changeset 
   112
 
<a name="l00102"></a>00102         M_TEM   = 0x01  <span class="comment">/* temporary use                        */</span>
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   113
 
<a name="l00103"></a>00103 } JPEG_MARKER;
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diff changeset 
   114
 
<a name="l00104"></a>00104
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diff changeset 
   115
 
<a name="l00105"></a>00105
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   116
 
<a name="l00106"></a>00106 <span class="comment">/*</span>
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   117
 
<a name="l00107"></a>00107 <span class="comment"> * bFillPaletteDIB - fill the palette part of the imagesdata</span>
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   118
 
<a name="l00108"></a>00108 <span class="comment"> *</span>
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   119
 
<a name="l00109"></a>00109 <span class="comment"> * returns TRUE if the images must be a color image, otherwise FALSE;</span>
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   120
 
<a name="l00110"></a>00110 <span class="comment"> */</span>
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   121
 
<a name="l00111"></a>00111 <span class="keyword">static</span> BOOL
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<a name="l00112"></a>00112 bFillPaletteDIB(FILE *pFile, imagedata_type *pImg, BOOL bNewFormat)
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<a name="l00113"></a>00113 {
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<a name="l00114"></a>00114         <span class="keywordtype">int</span>     iIndex;
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   125
 
<a name="l00115"></a>00115         BOOL    bIsColorPalette;
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diff changeset 
   126
 
<a name="l00116"></a>00116
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   127
 
<a name="l00117"></a>00117         fail(pFile == NULL);
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   128
 
<a name="l00118"></a>00118         fail(pImg == NULL);
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   129
 
<a name="l00119"></a>00119
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   130
 
<a name="l00120"></a>00120         <span class="keywordflow">if</span> (pImg-&gt;uiBitsPerComponent &gt; 8) {
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diff changeset 
   131
 
<a name="l00121"></a>00121                 <span class="comment">/* No palette, image uses more than 256 colors */</span>
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<a name="l00122"></a>00122                 <span class="keywordflow">return</span> TRUE;
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   133
 
<a name="l00123"></a>00123         }
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diff changeset 
   134
 
<a name="l00124"></a>00124
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diff changeset 
   135
 
<a name="l00125"></a>00125         <span class="keywordflow">if</span> (pImg-&gt;iColorsUsed &lt;= 0) {
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diff changeset 
   136
 
<a name="l00126"></a>00126                 <span class="comment">/* Not specified, so compute the number of colors used */</span>
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   137
 
<a name="l00127"></a>00127                 pImg-&gt;iColorsUsed = 1 &lt;&lt; pImg-&gt;uiBitsPerComponent;
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   138
 
<a name="l00128"></a>00128         }
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diff changeset 
   139
 
<a name="l00129"></a>00129
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   140
 
<a name="l00130"></a>00130         fail(pImg-&gt;iColorsUsed &gt; 256);
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   141
 
<a name="l00131"></a>00131         <span class="keywordflow">if</span> (pImg-&gt;iColorsUsed &gt; 256) {
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<a name="l00132"></a>00132                 pImg-&gt;iColorsUsed = 256;
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   143
 
<a name="l00133"></a>00133         }
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diff changeset 
   144
 
<a name="l00134"></a>00134
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diff changeset 
   145
 
<a name="l00135"></a>00135         bIsColorPalette = FALSE;
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diff changeset 
   146
 
<a name="l00136"></a>00136         <span class="keywordflow">for</span> (iIndex = 0; iIndex &lt; pImg-&gt;iColorsUsed; iIndex++) {
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diff changeset 
   147
 
<a name="l00137"></a>00137                 <span class="comment">/* From BGR order to RGB order */</span>
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diff changeset 
   148
 
<a name="l00138"></a>00138                 pImg-&gt;aucPalette[iIndex][2] = (UCHAR)iNextByte(pFile);
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diff changeset 
   149
 
<a name="l00139"></a>00139                 pImg-&gt;aucPalette[iIndex][1] = (UCHAR)iNextByte(pFile);
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   150
 
<a name="l00140"></a>00140                 pImg-&gt;aucPalette[iIndex][0] = (UCHAR)iNextByte(pFile);
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diff changeset 
   151
 
<a name="l00141"></a>00141                 <span class="keywordflow">if</span> (bNewFormat) {
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   152
 
<a name="l00142"></a>00142                         (void)iNextByte(pFile);
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   153
 
<a name="l00143"></a>00143                 }
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   154
 
<a name="l00144"></a>00144                 NO_DBG_PRINT_BLOCK(pImg-&gt;aucPalette[iIndex], 3);
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   155
 
<a name="l00145"></a>00145                 <span class="keywordflow">if</span> (pImg-&gt;aucPalette[iIndex][0] !=
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   156
 
<a name="l00146"></a>00146                      pImg-&gt;aucPalette[iIndex][1] ||
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   157
 
<a name="l00147"></a>00147                     pImg-&gt;aucPalette[iIndex][1] !=
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   158
 
<a name="l00148"></a>00148                      pImg-&gt;aucPalette[iIndex][2]) {
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   159
 
<a name="l00149"></a>00149                         bIsColorPalette = TRUE;
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diff changeset 
   160
 
<a name="l00150"></a>00150                 }
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   161
 
<a name="l00151"></a>00151         }
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diff changeset 
   162
 
<a name="l00152"></a>00152
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diff changeset 
   163
 
<a name="l00153"></a>00153         <span class="keywordflow">return</span> bIsColorPalette;
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   164
 
<a name="l00154"></a>00154 } <span class="comment">/* end of bFillPaletteDIB */</span>
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diff changeset 
   165
 
<a name="l00155"></a>00155
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diff changeset 
   166
 
<a name="l00156"></a>00156 <span class="comment">/*</span>
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   167
 
<a name="l00157"></a>00157 <span class="comment"> * bExamineDIB - Examine a DIB header</span>
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diff changeset 
   168
 
<a name="l00158"></a>00158 <span class="comment"> *</span>
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diff changeset 
   169
 
<a name="l00159"></a>00159 <span class="comment"> * return TRUE if successful, otherwise FALSE</span>
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   170
 
<a name="l00160"></a>00160 <span class="comment"> */</span>
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diff changeset 
   171
 
<a name="l00161"></a>00161 <span class="keyword">static</span> BOOL
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   172
 
<a name="l00162"></a>00162 bExamineDIB(FILE *pFile, imagedata_type *pImg)
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   173
 
<a name="l00163"></a>00163 {
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diff changeset 
   174
 
<a name="l00164"></a>00164         <span class="keywordtype">size_t</span>  tHeaderSize;
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   175
 
<a name="l00165"></a>00165         <span class="keywordtype">int</span>     iPlanes, iCompression;
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diff changeset 
   176
 
<a name="l00166"></a>00166
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   177
 
<a name="l00167"></a>00167         tHeaderSize = (size_t)ulNextLong(pFile);
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   178
 
<a name="l00168"></a>00168         <span class="keywordflow">switch</span> (tHeaderSize) {
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   179
 
<a name="l00169"></a>00169         <span class="keywordflow">case</span> 12:
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   180
 
<a name="l00170"></a>00170                 pImg-&gt;iWidth = (int)usNextWord(pFile);
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   181
 
<a name="l00171"></a>00171                 pImg-&gt;iHeight = (int)usNextWord(pFile);
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   182
 
<a name="l00172"></a>00172                 iPlanes = (int)usNextWord(pFile);
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diff changeset 
   183
 
<a name="l00173"></a>00173                 pImg-&gt;uiBitsPerComponent = (UINT)usNextWord(pFile);
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diff changeset 
   184
 
<a name="l00174"></a>00174                 iCompression = BI_RGB;
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   185
 
<a name="l00175"></a>00175                 pImg-&gt;iColorsUsed = 0;
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diff changeset 
   186
 
<a name="l00176"></a>00176                 <span class="keywordflow">break</span>;
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   187
 
<a name="l00177"></a>00177         <span class="keywordflow">case</span> 40:
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   188
 
<a name="l00178"></a>00178         <span class="keywordflow">case</span> 64:
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diff changeset 
   189
 
<a name="l00179"></a>00179                 pImg-&gt;iWidth = (int)ulNextLong(pFile);
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diff changeset 
   190
 
<a name="l00180"></a>00180                 pImg-&gt;iHeight = (int)ulNextLong(pFile);
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diff changeset 
   191
 
<a name="l00181"></a>00181                 iPlanes = (int)usNextWord(pFile);
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   192
 
<a name="l00182"></a>00182                 pImg-&gt;uiBitsPerComponent = (UINT)usNextWord(pFile);
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   193
 
<a name="l00183"></a>00183                 iCompression = (int)ulNextLong(pFile);
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   194
 
<a name="l00184"></a>00184                 (void)tSkipBytes(pFile, 12);
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   195
 
<a name="l00185"></a>00185                 pImg-&gt;iColorsUsed = (int)ulNextLong(pFile);
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diff changeset 
   196
 
<a name="l00186"></a>00186                 (void)tSkipBytes(pFile, tHeaderSize - 36);
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   197
 
<a name="l00187"></a>00187                 <span class="keywordflow">break</span>;
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   198
 
<a name="l00188"></a>00188         <span class="keywordflow">default</span>:
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   199
 
<a name="l00189"></a>00189                 DBG_DEC(tHeaderSize);
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   200
 
<a name="l00190"></a>00190                 <span class="keywordflow">return</span> FALSE;
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Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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diff changeset 
   201
 
<a name="l00191"></a>00191         }
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parents:
diff changeset 
   202
 
<a name="l00192"></a>00192         DBG_DEC(pImg-&gt;iWidth);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   203
 
<a name="l00193"></a>00193         DBG_DEC(pImg-&gt;iHeight);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   204
 
<a name="l00194"></a>00194         DBG_DEC(pImg-&gt;uiBitsPerComponent);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   205
 
<a name="l00195"></a>00195         DBG_DEC(iCompression);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   206
 
<a name="l00196"></a>00196         DBG_DEC(pImg-&gt;iColorsUsed);
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parents:
diff changeset 
   207
 
<a name="l00197"></a>00197
43e37759235e Week 12 contribution of example code"
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diff changeset 
   208
 
<a name="l00198"></a>00198         <span class="comment">/* Do some sanity checks with the parameters */</span>
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diff changeset 
   209
 
<a name="l00199"></a>00199         <span class="keywordflow">if</span> (iPlanes != 1) {
43e37759235e Week 12 contribution of example code"
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diff changeset 
   210
 
<a name="l00200"></a>00200                 DBG_DEC(iPlanes);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   211
 
<a name="l00201"></a>00201                 <span class="keywordflow">return</span> FALSE;
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diff changeset 
   212
 
<a name="l00202"></a>00202         }
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diff changeset 
   213
 
<a name="l00203"></a>00203         <span class="keywordflow">if</span> (pImg-&gt;iWidth &lt;= 0 || pImg-&gt;iHeight &lt;= 0) {
43e37759235e Week 12 contribution of example code"
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diff changeset 
   214
 
<a name="l00204"></a>00204                 DBG_DEC(pImg-&gt;iWidth);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   215
 
<a name="l00205"></a>00205                 DBG_DEC(pImg-&gt;iHeight);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   216
 
<a name="l00206"></a>00206                 <span class="keywordflow">return</span> FALSE;
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diff changeset 
   217
 
<a name="l00207"></a>00207         }
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diff changeset 
   218
 
<a name="l00208"></a>00208         <span class="keywordflow">if</span> (pImg-&gt;uiBitsPerComponent != 1 &amp;&amp; pImg-&gt;uiBitsPerComponent != 4 &amp;&amp;
43e37759235e Week 12 contribution of example code"
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diff changeset 
   219
 
<a name="l00209"></a>00209             pImg-&gt;uiBitsPerComponent != 8 &amp;&amp; pImg-&gt;uiBitsPerComponent != 24) {
43e37759235e Week 12 contribution of example code"
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diff changeset 
   220
 
<a name="l00210"></a>00210                 DBG_DEC(pImg-&gt;uiBitsPerComponent);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   221
 
<a name="l00211"></a>00211                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
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diff changeset 
   222
 
<a name="l00212"></a>00212         }
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diff changeset 
   223
 
<a name="l00213"></a>00213         <span class="keywordflow">if</span> (iCompression != BI_RGB &amp;&amp;
43e37759235e Week 12 contribution of example code"
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diff changeset 
   224
 
<a name="l00214"></a>00214             (pImg-&gt;uiBitsPerComponent == 1 || pImg-&gt;uiBitsPerComponent == 24)) {
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diff changeset 
   225
 
<a name="l00215"></a>00215                 <span class="keywordflow">return</span> FALSE;
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diff changeset 
   226
 
<a name="l00216"></a>00216         }
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diff changeset 
   227
 
<a name="l00217"></a>00217         <span class="keywordflow">if</span> (iCompression == BI_RLE8 &amp;&amp; pImg-&gt;uiBitsPerComponent == 4) {
43e37759235e Week 12 contribution of example code"
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diff changeset 
   228
 
<a name="l00218"></a>00218                 <span class="keywordflow">return</span> FALSE;
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diff changeset 
   229
 
<a name="l00219"></a>00219         }
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diff changeset 
   230
 
<a name="l00220"></a>00220         <span class="keywordflow">if</span> (iCompression == BI_RLE4 &amp;&amp; pImg-&gt;uiBitsPerComponent == 8) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   231
 
<a name="l00221"></a>00221                 <span class="keywordflow">return</span> FALSE;
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diff changeset 
   232
 
<a name="l00222"></a>00222         }
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diff changeset 
   233
 
<a name="l00223"></a>00223
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diff changeset 
   234
 
<a name="l00224"></a>00224         <span class="keywordflow">switch</span> (iCompression) {
43e37759235e Week 12 contribution of example code"
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diff changeset 
   235
 
<a name="l00225"></a>00225         <span class="keywordflow">case</span> BI_RGB:
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   236
 
<a name="l00226"></a>00226                 pImg-&gt;eCompression = compression_none;
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diff changeset 
   237
 
<a name="l00227"></a>00227                 <span class="keywordflow">break</span>;
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parents:
diff changeset 
   238
 
<a name="l00228"></a>00228         <span class="keywordflow">case</span> BI_RLE4:
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diff changeset 
   239
 
<a name="l00229"></a>00229                 pImg-&gt;eCompression = compression_rle4;
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diff changeset 
   240
 
<a name="l00230"></a>00230                 <span class="keywordflow">break</span>;
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parents:
diff changeset 
   241
 
<a name="l00231"></a>00231         <span class="keywordflow">case</span> BI_RLE8:
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diff changeset 
   242
 
<a name="l00232"></a>00232                 pImg-&gt;eCompression = compression_rle8;
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diff changeset 
   243
 
<a name="l00233"></a>00233                 <span class="keywordflow">break</span>;
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parents:
diff changeset 
   244
 
<a name="l00234"></a>00234         <span class="keywordflow">default</span>:
43e37759235e Week 12 contribution of example code"
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diff changeset 
   245
 
<a name="l00235"></a>00235                 DBG_DEC(iCompression);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   246
 
<a name="l00236"></a>00236                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
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diff changeset 
   247
 
<a name="l00237"></a>00237         }
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diff changeset 
   248
 
<a name="l00238"></a>00238
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   249
 
<a name="l00239"></a>00239         pImg-&gt;bColorImage = bFillPaletteDIB(pFile, pImg, tHeaderSize &gt; 12);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
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diff changeset 
   250
 
<a name="l00240"></a>00240
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   251
 
<a name="l00241"></a>00241         <span class="keywordflow">if</span> (pImg-&gt;uiBitsPerComponent &lt;= 8) {
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   252
 
<a name="l00242"></a>00242                 pImg-&gt;iComponents = 1;
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parents:
diff changeset 
   253
 
<a name="l00243"></a>00243         } <span class="keywordflow">else</span> {
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parents:
diff changeset 
   254
 
<a name="l00244"></a>00244                 pImg-&gt;iComponents = (int)(pImg-&gt;uiBitsPerComponent / 8);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   255
 
<a name="l00245"></a>00245         }
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parents:
diff changeset 
   256
 
<a name="l00246"></a>00246
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diff changeset 
   257
 
<a name="l00247"></a>00247         <span class="keywordflow">return</span> TRUE;
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diff changeset 
   258
 
<a name="l00248"></a>00248 } <span class="comment">/* end of bExamineDIB */</span>
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diff changeset 
   259
 
<a name="l00249"></a>00249
43e37759235e Week 12 contribution of example code"
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diff changeset 
   260
 
<a name="l00250"></a>00250 <span class="comment">/*</span>
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diff changeset 
   261
 
<a name="l00251"></a>00251 <span class="comment"> * iNextMarker - read the next JPEG marker</span>
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diff changeset 
   262
 
<a name="l00252"></a>00252 <span class="comment"> */</span>
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diff changeset 
   263
 
<a name="l00253"></a>00253 <span class="keyword">static</span> <span class="keywordtype">int</span>
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parents:
diff changeset 
   264
 
<a name="l00254"></a>00254 iNextMarker(FILE *pFile)
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diff changeset 
   265
 
<a name="l00255"></a>00255 {
43e37759235e Week 12 contribution of example code"
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diff changeset 
   266
 
<a name="l00256"></a>00256         <span class="keywordtype">int</span>     iMarker;
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diff changeset 
   267
 
<a name="l00257"></a>00257
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diff changeset 
   268
 
<a name="l00258"></a>00258         <span class="keywordflow">do</span> {
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parents:
diff changeset 
   269
 
<a name="l00259"></a>00259                 <span class="keywordflow">do</span> {
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parents:
diff changeset 
   270
 
<a name="l00260"></a>00260                         iMarker = iNextByte(pFile);
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parents:
diff changeset 
   271
 
<a name="l00261"></a>00261                 } <span class="keywordflow">while</span> (iMarker != 0xff &amp;&amp; iMarker != EOF);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   272
 
<a name="l00262"></a>00262                 <span class="keywordflow">if</span> (iMarker == EOF) {
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parents:
diff changeset 
   273
 
<a name="l00263"></a>00263                         <span class="keywordflow">return</span> EOF;
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parents:
diff changeset 
   274
 
<a name="l00264"></a>00264                 }
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diff changeset 
   275
 
<a name="l00265"></a>00265                 <span class="keywordflow">do</span> {
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diff changeset 
   276
 
<a name="l00266"></a>00266                         iMarker = iNextByte(pFile);
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diff changeset 
   277
 
<a name="l00267"></a>00267                 } <span class="keywordflow">while</span> (iMarker == 0xff);
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diff changeset 
   278
 
<a name="l00268"></a>00268         } <span class="keywordflow">while</span> (iMarker == 0x00);                      <span class="comment">/* repeat if ff/00 */</span>
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diff changeset 
   279
 
<a name="l00269"></a>00269
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diff changeset 
   280
 
<a name="l00270"></a>00270         <span class="keywordflow">return</span> iMarker;
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   281
 
<a name="l00271"></a>00271 } <span class="comment">/* end of iNextMarker */</span>
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diff changeset 
   282
 
<a name="l00272"></a>00272
43e37759235e Week 12 contribution of example code"
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diff changeset 
   283
 
<a name="l00273"></a>00273 <span class="comment">/*</span>
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   284
 
<a name="l00274"></a>00274 <span class="comment"> * bExamineJPEG - Examine a JPEG header</span>
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diff changeset 
   285
 
<a name="l00275"></a>00275 <span class="comment"> *</span>
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diff changeset 
   286
 
<a name="l00276"></a>00276 <span class="comment"> * return TRUE if successful, otherwise FALSE</span>
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diff changeset 
   287
 
<a name="l00277"></a>00277 <span class="comment"> */</span>
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diff changeset 
   288
 
<a name="l00278"></a>00278 <span class="keyword">static</span> BOOL
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diff changeset 
   289
 
<a name="l00279"></a>00279 bExamineJPEG(FILE *pFile, imagedata_type *pImg)
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diff changeset 
   290
 
<a name="l00280"></a>00280 {
43e37759235e Week 12 contribution of example code"
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diff changeset 
   291
 
<a name="l00281"></a>00281         <span class="keywordtype">size_t</span>  tLength;
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diff changeset 
   292
 
<a name="l00282"></a>00282         <span class="keywordtype">int</span>     iMarker, iIndex;
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   293
 
<a name="l00283"></a>00283         <span class="keywordtype">char</span>    appstring[10];
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diff changeset 
   294
 
<a name="l00284"></a>00284         BOOL    bSOFDone;
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diff changeset 
   295
 
<a name="l00285"></a>00285
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   296
 
<a name="l00286"></a>00286         tLength = 0;
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diff changeset 
   297
 
<a name="l00287"></a>00287         bSOFDone = FALSE;
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diff changeset 
   298
 
<a name="l00288"></a>00288
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   299
 
<a name="l00289"></a>00289         <span class="comment">/* process JPEG markers */</span>
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diff changeset 
   300
 
<a name="l00290"></a>00290         <span class="keywordflow">while</span> (!bSOFDone &amp;&amp; (iMarker = iNextMarker(pFile)) != (<span class="keywordtype">int</span>)M_EOI) {
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   301
 
<a name="l00291"></a>00291                 <span class="keywordflow">switch</span> (iMarker) {
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parents:
diff changeset 
   302
 
<a name="l00292"></a>00292                 <span class="keywordflow">case</span> EOF:
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   303
 
<a name="l00293"></a>00293                         DBG_MSG(<span class="stringliteral">&quot;Error: unexpected end of JPEG file&quot;</span>);
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   304
 
<a name="l00294"></a>00294                         <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
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parents:
diff changeset 
   305
 
<a name="l00295"></a>00295         <span class="comment">/* The following are not officially supported in PostScript level 2 */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   306
 
<a name="l00296"></a>00296                 <span class="keywordflow">case</span> M_SOF2:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   307
 
<a name="l00297"></a>00297                 <span class="keywordflow">case</span> M_SOF3:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   308
 
<a name="l00298"></a>00298                 <span class="keywordflow">case</span> M_SOF5:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   309
 
<a name="l00299"></a>00299                 <span class="keywordflow">case</span> M_SOF6:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   310
 
<a name="l00300"></a>00300                 <span class="keywordflow">case</span> M_SOF7:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   311
 
<a name="l00301"></a>00301                 <span class="keywordflow">case</span> M_SOF9:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   312
 
<a name="l00302"></a>00302                 <span class="keywordflow">case</span> M_SOF10:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   313
 
<a name="l00303"></a>00303                 <span class="keywordflow">case</span> M_SOF11:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   314
 
<a name="l00304"></a>00304                 <span class="keywordflow">case</span> M_SOF13:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   315
 
<a name="l00305"></a>00305                 <span class="keywordflow">case</span> M_SOF14:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   316
 
<a name="l00306"></a>00306                 <span class="keywordflow">case</span> M_SOF15:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   317
 
<a name="l00307"></a>00307                         DBG_HEX(iMarker);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   318
 
<a name="l00308"></a>00308                         <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   319
 
<a name="l00309"></a>00309                 <span class="keywordflow">case</span> M_SOF0:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   320
 
<a name="l00310"></a>00310                 <span class="keywordflow">case</span> M_SOF1:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   321
 
<a name="l00311"></a>00311                         tLength = (size_t)usNextWordBE(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   322
 
<a name="l00312"></a>00312                         pImg-&gt;uiBitsPerComponent = (UINT)iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   323
 
<a name="l00313"></a>00313                         pImg-&gt;iHeight = (int)usNextWordBE(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   324
 
<a name="l00314"></a>00314                         pImg-&gt;iWidth = (int)usNextWordBE(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   325
 
<a name="l00315"></a>00315                         pImg-&gt;iComponents = iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   326
 
<a name="l00316"></a>00316                         bSOFDone = TRUE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   327
 
<a name="l00317"></a>00317                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   328
 
<a name="l00318"></a>00318                 <span class="keywordflow">case</span> M_APP14:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   329
 
<a name="l00319"></a>00319                 <span class="comment">/*</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   330
 
<a name="l00320"></a>00320 <span class="comment">                 * Check for Adobe application marker. It is known (per Adobe&#39;s</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   331
 
<a name="l00321"></a>00321 <span class="comment">                 * TN5116) to contain the string &quot;Adobe&quot; at the start of the</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   332
 
<a name="l00322"></a>00322 <span class="comment">                 * APP14 marker.</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   333
 
<a name="l00323"></a>00323 <span class="comment">                 */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   334
 
<a name="l00324"></a>00324                         tLength = (size_t)usNextWordBE(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   335
 
<a name="l00325"></a>00325                         <span class="keywordflow">if</span> (tLength &lt; 12) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   336
 
<a name="l00326"></a>00326                                 (void)tSkipBytes(pFile, tLength - 2);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   337
 
<a name="l00327"></a>00327                         } <span class="keywordflow">else</span> {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   338
 
<a name="l00328"></a>00328                                 <span class="keywordflow">for</span> (iIndex = 0; iIndex &lt; 5; iIndex++) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   339
 
<a name="l00329"></a>00329                                         appstring[iIndex] =
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   340
 
<a name="l00330"></a>00330                                                         (char)iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   341
 
<a name="l00331"></a>00331                                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   342
 
<a name="l00332"></a>00332                                 appstring[5] = <span class="charliteral">&#39;\0&#39;</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   343
 
<a name="l00333"></a>00333                                 <span class="keywordflow">if</span> (STREQ(appstring, <span class="stringliteral">&quot;Adobe&quot;</span>)) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   344
 
<a name="l00334"></a>00334                                         pImg-&gt;bAdobe = TRUE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   345
 
<a name="l00335"></a>00335                                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   346
 
<a name="l00336"></a>00336                                 (void)tSkipBytes(pFile, tLength - 7);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   347
 
<a name="l00337"></a>00337                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   348
 
<a name="l00338"></a>00338                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   349
 
<a name="l00339"></a>00339                 <span class="keywordflow">case</span> M_SOI:             <span class="comment">/* ignore markers without parameters */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   350
 
<a name="l00340"></a>00340                 <span class="keywordflow">case</span> M_EOI:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   351
 
<a name="l00341"></a>00341                 <span class="keywordflow">case</span> M_TEM:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   352
 
<a name="l00342"></a>00342                 <span class="keywordflow">case</span> M_RST0:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   353
 
<a name="l00343"></a>00343                 <span class="keywordflow">case</span> M_RST1:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   354
 
<a name="l00344"></a>00344                 <span class="keywordflow">case</span> M_RST2:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   355
 
<a name="l00345"></a>00345                 <span class="keywordflow">case</span> M_RST3:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   356
 
<a name="l00346"></a>00346                 <span class="keywordflow">case</span> M_RST4:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   357
 
<a name="l00347"></a>00347                 <span class="keywordflow">case</span> M_RST5:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   358
 
<a name="l00348"></a>00348                 <span class="keywordflow">case</span> M_RST6:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   359
 
<a name="l00349"></a>00349                 <span class="keywordflow">case</span> M_RST7:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   360
 
<a name="l00350"></a>00350                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   361
 
<a name="l00351"></a>00351                 <span class="keywordflow">default</span>:                <span class="comment">/* skip variable length markers */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   362
 
<a name="l00352"></a>00352                         tLength = (size_t)usNextWordBE(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   363
 
<a name="l00353"></a>00353                         (void)tSkipBytes(pFile, tLength - 2);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   364
 
<a name="l00354"></a>00354                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   365
 
<a name="l00355"></a>00355                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   366
 
<a name="l00356"></a>00356         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   367
 
<a name="l00357"></a>00357
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   368
 
<a name="l00358"></a>00358         DBG_DEC(pImg-&gt;iWidth);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   369
 
<a name="l00359"></a>00359         DBG_DEC(pImg-&gt;iHeight);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   370
 
<a name="l00360"></a>00360         DBG_DEC(pImg-&gt;uiBitsPerComponent);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   371
 
<a name="l00361"></a>00361         DBG_DEC(pImg-&gt;iComponents);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   372
 
<a name="l00362"></a>00362
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   373
 
<a name="l00363"></a>00363         <span class="comment">/* Do some sanity checks with the parameters */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   374
 
<a name="l00364"></a>00364         <span class="keywordflow">if</span> (pImg-&gt;iHeight &lt;= 0 ||
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   375
 
<a name="l00365"></a>00365             pImg-&gt;iWidth &lt;= 0 ||
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   376
 
<a name="l00366"></a>00366             pImg-&gt;iComponents &lt;= 0) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   377
 
<a name="l00367"></a>00367                 DBG_DEC(pImg-&gt;iHeight);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   378
 
<a name="l00368"></a>00368                 DBG_DEC(pImg-&gt;iWidth);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   379
 
<a name="l00369"></a>00369                 DBG_DEC(pImg-&gt;iComponents);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   380
 
<a name="l00370"></a>00370                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   381
 
<a name="l00371"></a>00371         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   382
 
<a name="l00372"></a>00372
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   383
 
<a name="l00373"></a>00373         <span class="comment">/* Some broken JPEG files have this but they print anyway... */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   384
 
<a name="l00374"></a>00374         <span class="keywordflow">if</span> (pImg-&gt;iComponents * 3 + 8 != (<span class="keywordtype">int</span>)tLength) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   385
 
<a name="l00375"></a>00375                 DBG_MSG(<span class="stringliteral">&quot;Warning: SOF marker has incorrect length - ignored&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   386
 
<a name="l00376"></a>00376         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   387
 
<a name="l00377"></a>00377
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   388
 
<a name="l00378"></a>00378         <span class="keywordflow">if</span> (pImg-&gt;uiBitsPerComponent != 8) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   389
 
<a name="l00379"></a>00379                 DBG_DEC(pImg-&gt;uiBitsPerComponent);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   390
 
<a name="l00380"></a>00380                 DBG_MSG(<span class="stringliteral">&quot;Not supported in PostScript level 2&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   391
 
<a name="l00381"></a>00381                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   392
 
<a name="l00382"></a>00382         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   393
 
<a name="l00383"></a>00383
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   394
 
<a name="l00384"></a>00384         <span class="keywordflow">if</span> (pImg-&gt;iComponents != 1 &amp;&amp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   395
 
<a name="l00385"></a>00385             pImg-&gt;iComponents != 3 &amp;&amp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   396
 
<a name="l00386"></a>00386             pImg-&gt;iComponents != 4) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   397
 
<a name="l00387"></a>00387                 DBG_DEC(pImg-&gt;iComponents);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   398
 
<a name="l00388"></a>00388                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   399
 
<a name="l00389"></a>00389         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   400
 
<a name="l00390"></a>00390
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   401
 
<a name="l00391"></a>00391         pImg-&gt;bColorImage = pImg-&gt;iComponents &gt;= 3;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   402
 
<a name="l00392"></a>00392         pImg-&gt;iColorsUsed = 0;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   403
 
<a name="l00393"></a>00393         pImg-&gt;eCompression = compression_jpeg;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   404
 
<a name="l00394"></a>00394
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   405
 
<a name="l00395"></a>00395         <span class="keywordflow">return</span> TRUE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   406
 
<a name="l00396"></a>00396 } <span class="comment">/* end of bExamineJPEG */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   407
 
<a name="l00397"></a>00397
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   408
 
<a name="l00398"></a>00398 <span class="comment">/*</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   409
 
<a name="l00399"></a>00399 <span class="comment"> * bFillPalettePNG - fill the palette part of the imagesdata</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   410
 
<a name="l00400"></a>00400 <span class="comment"> *</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   411
 
<a name="l00401"></a>00401 <span class="comment"> * returns TRUE if sucessful, otherwise FALSE;</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   412
 
<a name="l00402"></a>00402 <span class="comment"> */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   413
 
<a name="l00403"></a>00403 <span class="keyword">static</span> BOOL
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   414
 
<a name="l00404"></a>00404 bFillPalettePNG(FILE *pFile, imagedata_type *pImg, <span class="keywordtype">size_t</span> tLength)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   415
 
<a name="l00405"></a>00405 {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   416
 
<a name="l00406"></a>00406         <span class="keywordtype">int</span>     iIndex, iEntries;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   417
 
<a name="l00407"></a>00407
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   418
 
<a name="l00408"></a>00408         fail(pFile == NULL);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   419
 
<a name="l00409"></a>00409         fail(pImg == NULL);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   420
 
<a name="l00410"></a>00410
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   421
 
<a name="l00411"></a>00411         <span class="keywordflow">if</span> (pImg-&gt;uiBitsPerComponent &gt; 8) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   422
 
<a name="l00412"></a>00412                 <span class="comment">/* No palette, image uses more than 256 colors */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   423
 
<a name="l00413"></a>00413                 <span class="keywordflow">return</span> TRUE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   424
 
<a name="l00414"></a>00414         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   425
 
<a name="l00415"></a>00415
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   426
 
<a name="l00416"></a>00416         <span class="keywordflow">if</span> (!pImg-&gt;bColorImage) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   427
 
<a name="l00417"></a>00417                 <span class="comment">/* Only color images can have a palette */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   428
 
<a name="l00418"></a>00418                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   429
 
<a name="l00419"></a>00419         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   430
 
<a name="l00420"></a>00420
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   431
 
<a name="l00421"></a>00421         <span class="keywordflow">if</span> (tLength % 3 != 0) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   432
 
<a name="l00422"></a>00422                 <span class="comment">/* Each palette entry takes three bytes */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   433
 
<a name="l00423"></a>00423                 DBG_DEC(tLength);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   434
 
<a name="l00424"></a>00424                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   435
 
<a name="l00425"></a>00425         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   436
 
<a name="l00426"></a>00426
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   437
 
<a name="l00427"></a>00427         iEntries = (int)(tLength / 3);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   438
 
<a name="l00428"></a>00428         DBG_DEC(iEntries);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   439
 
<a name="l00429"></a>00429         pImg-&gt;iColorsUsed = 1 &lt;&lt; pImg-&gt;uiBitsPerComponent;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   440
 
<a name="l00430"></a>00430         DBG_DEC(pImg-&gt;iColorsUsed);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   441
 
<a name="l00431"></a>00431
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   442
 
<a name="l00432"></a>00432         <span class="keywordflow">if</span> (iEntries &gt; 256) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   443
 
<a name="l00433"></a>00433                 DBG_DEC(iEntries);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   444
 
<a name="l00434"></a>00434                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   445
 
<a name="l00435"></a>00435         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   446
 
<a name="l00436"></a>00436
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   447
 
<a name="l00437"></a>00437         <span class="keywordflow">for</span> (iIndex = 0; iIndex &lt; iEntries; iIndex++) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   448
 
<a name="l00438"></a>00438                 pImg-&gt;aucPalette[iIndex][0] = (UCHAR)iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   449
 
<a name="l00439"></a>00439                 pImg-&gt;aucPalette[iIndex][1] = (UCHAR)iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   450
 
<a name="l00440"></a>00440                 pImg-&gt;aucPalette[iIndex][2] = (UCHAR)iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   451
 
<a name="l00441"></a>00441                 NO_DBG_PRINT_BLOCK(pImg-&gt;aucPalette[iIndex], 3);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   452
 
<a name="l00442"></a>00442         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   453
 
<a name="l00443"></a>00443         <span class="keywordflow">for</span> (;iIndex &lt; pImg-&gt;iColorsUsed; iIndex++) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   454
 
<a name="l00444"></a>00444                 pImg-&gt;aucPalette[iIndex][0] = 0;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   455
 
<a name="l00445"></a>00445                 pImg-&gt;aucPalette[iIndex][1] = 0;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   456
 
<a name="l00446"></a>00446                 pImg-&gt;aucPalette[iIndex][2] = 0;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   457
 
<a name="l00447"></a>00447         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   458
 
<a name="l00448"></a>00448
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   459
 
<a name="l00449"></a>00449         <span class="keywordflow">return</span> TRUE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   460
 
<a name="l00450"></a>00450 } <span class="comment">/* end of bFillPalettePNG */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   461
 
<a name="l00451"></a>00451
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   462
 
<a name="l00452"></a>00452 <span class="comment">/*</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   463
 
<a name="l00453"></a>00453 <span class="comment"> * bExaminePNG - Examine a PNG header</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   464
 
<a name="l00454"></a>00454 <span class="comment"> *</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   465
 
<a name="l00455"></a>00455 <span class="comment"> * return TRUE if successful, otherwise FALSE</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   466
 
<a name="l00456"></a>00456 <span class="comment"> */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   467
 
<a name="l00457"></a>00457 <span class="keyword">static</span> BOOL
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   468
 
<a name="l00458"></a>00458 bExaminePNG(FILE *pFile, imagedata_type *pImg)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   469
 
<a name="l00459"></a>00459 {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   470
 
<a name="l00460"></a>00460         <span class="keywordtype">size_t</span>          tLength;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   471
 
<a name="l00461"></a>00461         ULONG           ulLong1, ulLong2, ulName;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   472
 
<a name="l00462"></a>00462         <span class="keywordtype">int</span>             iIndex, iTmp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   473
 
<a name="l00463"></a>00463         <span class="keywordtype">int</span>             iCompressionMethod, iFilterMethod, iInterlaceMethod;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   474
 
<a name="l00464"></a>00464         <span class="keywordtype">int</span>             iColor, iIncrement;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   475
 
<a name="l00465"></a>00465         BOOL            bHasPalette, bHasAlpha;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   476
 
<a name="l00466"></a>00466         UCHAR   aucBuf[4];
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   477
 
<a name="l00467"></a>00467
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   478
 
<a name="l00468"></a>00468         <span class="comment">/* Check signature */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   479
 
<a name="l00469"></a>00469         ulLong1 = ulNextLongBE(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   480
 
<a name="l00470"></a>00470         ulLong2 = ulNextLongBE(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   481
 
<a name="l00471"></a>00471         <span class="keywordflow">if</span> (ulLong1 != 0x89504e47UL || ulLong2 != 0x0d0a1a0aUL) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   482
 
<a name="l00472"></a>00472                 DBG_HEX(ulLong1);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   483
 
<a name="l00473"></a>00473                 DBG_HEX(ulLong2);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   484
 
<a name="l00474"></a>00474                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   485
 
<a name="l00475"></a>00475         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   486
 
<a name="l00476"></a>00476
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   487
 
<a name="l00477"></a>00477         ulName = 0x00;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   488
 
<a name="l00478"></a>00478         bHasPalette = FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   489
 
<a name="l00479"></a>00479
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   490
 
<a name="l00480"></a>00480         <span class="comment">/* Examine chunks */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   491
 
<a name="l00481"></a>00481         <span class="keywordflow">while</span> (ulName != PNG_CN_IEND) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   492
 
<a name="l00482"></a>00482                 tLength = (size_t)ulNextLongBE(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   493
 
<a name="l00483"></a>00483                 ulName = 0x00;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   494
 
<a name="l00484"></a>00484                 <span class="keywordflow">for</span> (iIndex = 0; iIndex &lt; (int)elementsof(aucBuf); iIndex++) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   495
 
<a name="l00485"></a>00485                         aucBuf[iIndex] = (UCHAR)iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   496
 
<a name="l00486"></a>00486                         <span class="keywordflow">if</span> (!isalpha(aucBuf[iIndex])) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   497
 
<a name="l00487"></a>00487                                 DBG_HEX(aucBuf[iIndex]);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   498
 
<a name="l00488"></a>00488                                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   499
 
<a name="l00489"></a>00489                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   500
 
<a name="l00490"></a>00490                         ulName &lt;&lt;= 8;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   501
 
<a name="l00491"></a>00491                         ulName |= aucBuf[iIndex];
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   502
 
<a name="l00492"></a>00492                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   503
 
<a name="l00493"></a>00493
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   504
 
<a name="l00494"></a>00494                 <span class="keywordflow">switch</span> (ulName) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   505
 
<a name="l00495"></a>00495                 <span class="keywordflow">case</span> PNG_CN_IHDR:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   506
 
<a name="l00496"></a>00496                         <span class="comment">/* Header chunck */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   507
 
<a name="l00497"></a>00497                         <span class="keywordflow">if</span> (tLength &lt; 13) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   508
 
<a name="l00498"></a>00498                                 DBG_DEC(tLength);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   509
 
<a name="l00499"></a>00499                                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   510
 
<a name="l00500"></a>00500                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   511
 
<a name="l00501"></a>00501                         pImg-&gt;iWidth = (int)ulNextLongBE(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   512
 
<a name="l00502"></a>00502                         pImg-&gt;iHeight = (int)ulNextLongBE(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   513
 
<a name="l00503"></a>00503                         pImg-&gt;uiBitsPerComponent = (UINT)iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   514
 
<a name="l00504"></a>00504                         iTmp = iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   515
 
<a name="l00505"></a>00505                         NO_DBG_HEX(iTmp);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   516
 
<a name="l00506"></a>00506                         pImg-&gt;bColorImage = (iTmp &amp; PNG_CB_COLOR) != 0;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   517
 
<a name="l00507"></a>00507                         bHasPalette = (iTmp &amp; PNG_CB_PALETTE) != 0;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   518
 
<a name="l00508"></a>00508                         bHasAlpha = (iTmp &amp; PNG_CB_ALPHA) != 0;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   519
 
<a name="l00509"></a>00509                         <span class="keywordflow">if</span> (bHasPalette &amp;&amp; pImg-&gt;uiBitsPerComponent &gt; 8) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   520
 
<a name="l00510"></a>00510                                 <span class="comment">/* This should not happen */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   521
 
<a name="l00511"></a>00511                                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   522
 
<a name="l00512"></a>00512                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   523
 
<a name="l00513"></a>00513                         pImg-&gt;iComponents =
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   524
 
<a name="l00514"></a>00514                                 (bHasPalette || !pImg-&gt;bColorImage) ? 1 : 3;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   525
 
<a name="l00515"></a>00515                         <span class="keywordflow">if</span> (bHasAlpha) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   526
 
<a name="l00516"></a>00516                                 pImg-&gt;iComponents++;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   527
 
<a name="l00517"></a>00517                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   528
 
<a name="l00518"></a>00518                         iCompressionMethod = iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   529
 
<a name="l00519"></a>00519                         <span class="keywordflow">if</span> (iCompressionMethod != 0) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   530
 
<a name="l00520"></a>00520                                 DBG_DEC(iCompressionMethod);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   531
 
<a name="l00521"></a>00521                                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   532
 
<a name="l00522"></a>00522                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   533
 
<a name="l00523"></a>00523                         iFilterMethod = iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   534
 
<a name="l00524"></a>00524                         <span class="keywordflow">if</span> (iFilterMethod != 0) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   535
 
<a name="l00525"></a>00525                                 DBG_DEC(iFilterMethod);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   536
 
<a name="l00526"></a>00526                                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   537
 
<a name="l00527"></a>00527                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   538
 
<a name="l00528"></a>00528                         iInterlaceMethod = iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   539
 
<a name="l00529"></a>00529                         <span class="keywordflow">if</span> (iInterlaceMethod != 0) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   540
 
<a name="l00530"></a>00530                                 DBG_DEC(iInterlaceMethod);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   541
 
<a name="l00531"></a>00531                                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   542
 
<a name="l00532"></a>00532                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   543
 
<a name="l00533"></a>00533                         pImg-&gt;iColorsUsed = 0;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   544
 
<a name="l00534"></a>00534                         (void)tSkipBytes(pFile, tLength - 13 + 4);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   545
 
<a name="l00535"></a>00535                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   546
 
<a name="l00536"></a>00536                 <span class="keywordflow">case</span> PNG_CN_PLTE:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   547
 
<a name="l00537"></a>00537                         <span class="keywordflow">if</span> (!bHasPalette) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   548
 
<a name="l00538"></a>00538                                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   549
 
<a name="l00539"></a>00539                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   550
 
<a name="l00540"></a>00540                         <span class="keywordflow">if</span> (!bFillPalettePNG(pFile, pImg, tLength)) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   551
 
<a name="l00541"></a>00541                                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   552
 
<a name="l00542"></a>00542                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   553
 
<a name="l00543"></a>00543                         (void)tSkipBytes(pFile, 4);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   554
 
<a name="l00544"></a>00544                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   555
 
<a name="l00545"></a>00545                 <span class="keywordflow">default</span>:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   556
 
<a name="l00546"></a>00546                         (void)tSkipBytes(pFile, tLength + 4);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   557
 
<a name="l00547"></a>00547                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   558
 
<a name="l00548"></a>00548                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   559
 
<a name="l00549"></a>00549         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   560
 
<a name="l00550"></a>00550
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   561
 
<a name="l00551"></a>00551         DBG_DEC(pImg-&gt;iWidth);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   562
 
<a name="l00552"></a>00552         DBG_DEC(pImg-&gt;iHeight);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   563
 
<a name="l00553"></a>00553         DBG_DEC(pImg-&gt;uiBitsPerComponent);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   564
 
<a name="l00554"></a>00554         DBG_DEC(pImg-&gt;iColorsUsed);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   565
 
<a name="l00555"></a>00555         DBG_DEC(pImg-&gt;iComponents);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   566
 
<a name="l00556"></a>00556
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   567
 
<a name="l00557"></a>00557         <span class="comment">/* Do some sanity checks with the parameters */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   568
 
<a name="l00558"></a>00558         <span class="keywordflow">if</span> (pImg-&gt;iWidth &lt;= 0 || pImg-&gt;iHeight &lt;= 0) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   569
 
<a name="l00559"></a>00559                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   570
 
<a name="l00560"></a>00560         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   571
 
<a name="l00561"></a>00561
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   572
 
<a name="l00562"></a>00562         <span class="keywordflow">if</span> (pImg-&gt;uiBitsPerComponent != 1 &amp;&amp; pImg-&gt;uiBitsPerComponent != 2 &amp;&amp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   573
 
<a name="l00563"></a>00563             pImg-&gt;uiBitsPerComponent != 4 &amp;&amp; pImg-&gt;uiBitsPerComponent != 8 &amp;&amp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   574
 
<a name="l00564"></a>00564             pImg-&gt;uiBitsPerComponent != 16) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   575
 
<a name="l00565"></a>00565                 DBG_DEC(pImg-&gt;uiBitsPerComponent);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   576
 
<a name="l00566"></a>00566                 <span class="keywordflow">return</span>  FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   577
 
<a name="l00567"></a>00567         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   578
 
<a name="l00568"></a>00568
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   579
 
<a name="l00569"></a>00569         <span class="keywordflow">if</span> (pImg-&gt;iComponents != 1 &amp;&amp; pImg-&gt;iComponents != 3) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   580
 
<a name="l00570"></a>00570                 <span class="comment">/* Not supported */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   581
 
<a name="l00571"></a>00571                 DBG_DEC(pImg-&gt;iComponents);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   582
 
<a name="l00572"></a>00572                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   583
 
<a name="l00573"></a>00573         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   584
 
<a name="l00574"></a>00574
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   585
 
<a name="l00575"></a>00575         <span class="keywordflow">if</span> (pImg-&gt;uiBitsPerComponent &gt; 8) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   586
 
<a name="l00576"></a>00576                 <span class="comment">/* Not supported */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   587
 
<a name="l00577"></a>00577                 DBG_DEC(pImg-&gt;uiBitsPerComponent);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   588
 
<a name="l00578"></a>00578                 <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   589
 
<a name="l00579"></a>00579         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   590
 
<a name="l00580"></a>00580
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   591
 
<a name="l00581"></a>00581         <span class="keywordflow">if</span> (pImg-&gt;iColorsUsed == 0 &amp;&amp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   592
 
<a name="l00582"></a>00582             pImg-&gt;iComponents == 1 &amp;&amp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   593
 
<a name="l00583"></a>00583             pImg-&gt;uiBitsPerComponent &lt;= 4) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   594
 
<a name="l00584"></a>00584                 <span class="comment">/*</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   595
 
<a name="l00585"></a>00585 <span class="comment">                 * No palette is supplied, but PostScript needs one in these</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   596
 
<a name="l00586"></a>00586 <span class="comment">                 * cases, so we add a default palette here</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   597
 
<a name="l00587"></a>00587 <span class="comment">                 */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   598
 
<a name="l00588"></a>00588                 pImg-&gt;iColorsUsed = 1 &lt;&lt; pImg-&gt;uiBitsPerComponent;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   599
 
<a name="l00589"></a>00589                 iIncrement = 0xff / (pImg-&gt;iColorsUsed - 1);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   600
 
<a name="l00590"></a>00590                 <span class="keywordflow">for</span> (iIndex = 0, iColor = 0x00;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   601
 
<a name="l00591"></a>00591                      iIndex &lt; pImg-&gt;iColorsUsed;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   602
 
<a name="l00592"></a>00592                      iIndex++, iColor += iIncrement) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   603
 
<a name="l00593"></a>00593                         pImg-&gt;aucPalette[iIndex][0] = (UCHAR)iColor;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   604
 
<a name="l00594"></a>00594                         pImg-&gt;aucPalette[iIndex][1] = (UCHAR)iColor;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   605
 
<a name="l00595"></a>00595                         pImg-&gt;aucPalette[iIndex][2] = (UCHAR)iColor;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   606
 
<a name="l00596"></a>00596                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   607
 
<a name="l00597"></a>00597                 <span class="comment">/* Just to be sure */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   608
 
<a name="l00598"></a>00598                 pImg-&gt;bColorImage = FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   609
 
<a name="l00599"></a>00599         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   610
 
<a name="l00600"></a>00600
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   611
 
<a name="l00601"></a>00601         pImg-&gt;eCompression = compression_zlib;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   612
 
<a name="l00602"></a>00602
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   613
 
<a name="l00603"></a>00603         <span class="keywordflow">return</span> TRUE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   614
 
<a name="l00604"></a>00604 } <span class="comment">/* end of bExaminePNG */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   615
 
<a name="l00605"></a>00605
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   616
 
<a name="l00606"></a>00606 <span class="comment">/*</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   617
 
<a name="l00607"></a>00607 <span class="comment"> * bExamineWMF - Examine a WMF header</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   618
 
<a name="l00608"></a>00608 <span class="comment"> *</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   619
 
<a name="l00609"></a>00609 <span class="comment"> * return TRUE if successful, otherwise FALSE</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   620
 
<a name="l00610"></a>00610 <span class="comment"> */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   621
 
<a name="l00611"></a>00611 <span class="keyword">static</span> BOOL
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   622
 
<a name="l00612"></a>00612 bExamineWMF(FILE *pFile, imagedata_type *pImg)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   623
 
<a name="l00613"></a>00613 {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   624
 
<a name="l00614"></a>00614         ULONG   ulFileSize, ulMaxRecord, ulMagic;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   625
 
<a name="l00615"></a>00615         USHORT  usType, usHeaderSize, usVersion, usNoObjects;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   626
 
<a name="l00616"></a>00616
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   627
 
<a name="l00617"></a>00617         usType = usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   628
 
<a name="l00618"></a>00618         usHeaderSize = usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   629
 
<a name="l00619"></a>00619         ulMagic = ((ULONG)usHeaderSize &lt;&lt; 16) | (ULONG)usType;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   630
 
<a name="l00620"></a>00620         usVersion = usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   631
 
<a name="l00621"></a>00621         ulFileSize = ulNextLong(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   632
 
<a name="l00622"></a>00622         usNoObjects = usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   633
 
<a name="l00623"></a>00623         ulMaxRecord = ulNextLong(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   634
 
<a name="l00624"></a>00624
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   635
 
<a name="l00625"></a>00625         DBG_HEX(ulMagic);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   636
 
<a name="l00626"></a>00626         DBG_DEC(usType);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   637
 
<a name="l00627"></a>00627         DBG_DEC(usHeaderSize);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   638
 
<a name="l00628"></a>00628         DBG_HEX(usVersion);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   639
 
<a name="l00629"></a>00629         DBG_DEC(ulFileSize);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   640
 
<a name="l00630"></a>00630         DBG_DEC(usNoObjects);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   641
 
<a name="l00631"></a>00631         DBG_DEC(ulMaxRecord);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   642
 
<a name="l00632"></a>00632
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   643
 
<a name="l00633"></a>00633         <span class="keywordflow">return</span> FALSE;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   644
 
<a name="l00634"></a>00634 } <span class="comment">/* end of bExamineWMF */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   645
 
<a name="l00635"></a>00635
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   646
 
<a name="l00636"></a>00636 <span class="preprocessor">#if !defined(__riscos)</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   647
 
<a name="l00637"></a>00637 <span class="preprocessor"></span><span class="comment">/*</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   648
 
<a name="l00638"></a>00638 <span class="comment"> * vImage2Papersize - make sure the image fits on the paper</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   649
 
<a name="l00639"></a>00639 <span class="comment"> *</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   650
 
<a name="l00640"></a>00640 <span class="comment"> * This function should not be needed if Word would do a proper job</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   651
 
<a name="l00641"></a>00641 <span class="comment"> */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   652
 
<a name="l00642"></a>00642 <span class="keyword">static</span> <span class="keywordtype">void</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   653
 
<a name="l00643"></a>00643 vImage2Papersize(imagedata_type *pImg)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   654
 
<a name="l00644"></a>00644 {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   655
 
<a name="l00645"></a>00645         <span class="keyword">static</span> <span class="keywordtype">int</span>      iNetPageHeight = -1;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   656
 
<a name="l00646"></a>00646         <span class="keyword">static</span> <span class="keywordtype">int</span>      iNetPageWidth = -1;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   657
 
<a name="l00647"></a>00647         options_type    tOptions;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   658
 
<a name="l00648"></a>00648         <span class="keywordtype">double</span>  dVerFactor, dHorFactor, dFactor;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   659
 
<a name="l00649"></a>00649
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   660
 
<a name="l00650"></a>00650         DBG_MSG(<span class="stringliteral">&quot;vImage2Papersize&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   661
 
<a name="l00651"></a>00651
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   662
 
<a name="l00652"></a>00652         fail(pImg == NULL);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   663
 
<a name="l00653"></a>00653
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   664
 
<a name="l00654"></a>00654         <span class="keywordflow">if</span> (iNetPageHeight &lt; 0 || iNetPageWidth &lt; 0) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   665
 
<a name="l00655"></a>00655                 <span class="comment">/* Get the page dimensions from the options */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   666
 
<a name="l00656"></a>00656                 vGetOptions(&amp;tOptions);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   667
 
<a name="l00657"></a>00657                 <span class="comment">/* Add 999 to err on the save side */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   668
 
<a name="l00658"></a>00658                 iNetPageHeight = tOptions.iPageHeight -
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   669
 
<a name="l00659"></a>00659                                 (lDrawUnits2MilliPoints(
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   670
 
<a name="l00660"></a>00660                                         PS_TOP_MARGIN + PS_BOTTOM_MARGIN) +
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   671
 
<a name="l00661"></a>00661                                         999) / 1000;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   672
 
<a name="l00662"></a>00662                 iNetPageWidth = tOptions.iPageWidth -
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   673
 
<a name="l00663"></a>00663                                 (lDrawUnits2MilliPoints(
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   674
 
<a name="l00664"></a>00664                                         PS_LEFT_MARGIN + PS_RIGHT_MARGIN) +
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   675
 
<a name="l00665"></a>00665                                         999) / 1000;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   676
 
<a name="l00666"></a>00666                 DBG_DEC(iNetPageHeight);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   677
 
<a name="l00667"></a>00667                 DBG_DEC(iNetPageWidth);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   678
 
<a name="l00668"></a>00668         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   679
 
<a name="l00669"></a>00669
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   680
 
<a name="l00670"></a>00670         <span class="keywordflow">if</span> (pImg-&gt;iVerSizeScaled &lt; iNetPageHeight &amp;&amp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   681
 
<a name="l00671"></a>00671             pImg-&gt;iHorSizeScaled &lt; iNetPageWidth) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   682
 
<a name="l00672"></a>00672                 <span class="comment">/* The image fits on the paper */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   683
 
<a name="l00673"></a>00673                 <span class="keywordflow">return</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   684
 
<a name="l00674"></a>00674         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   685
 
<a name="l00675"></a>00675
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   686
 
<a name="l00676"></a>00676         dVerFactor = (double)iNetPageHeight / (<span class="keywordtype">double</span>)pImg-&gt;iVerSizeScaled;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   687
 
<a name="l00677"></a>00677         dHorFactor = (double)iNetPageWidth / (<span class="keywordtype">double</span>)pImg-&gt;iHorSizeScaled;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   688
 
<a name="l00678"></a>00678         dFactor = min(dVerFactor, dHorFactor);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   689
 
<a name="l00679"></a>00679         DBG_FLT(dFactor);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   690
 
<a name="l00680"></a>00680         <span class="comment">/* Round down, just to be on the save side */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   691
 
<a name="l00681"></a>00681         pImg-&gt;iVerSizeScaled = (int)(pImg-&gt;iVerSizeScaled * dFactor);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   692
 
<a name="l00682"></a>00682         pImg-&gt;iHorSizeScaled = (int)(pImg-&gt;iHorSizeScaled * dFactor);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   693
 
<a name="l00683"></a>00683 } <span class="comment">/* end of vImage2Papersize */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   694
 
<a name="l00684"></a>00684 <span class="preprocessor">#endif </span><span class="comment">/* !__riscos */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   695
 
<a name="l00685"></a>00685
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   696
 
<a name="l00686"></a>00686 <span class="comment">/*</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   697
 
<a name="l00687"></a>00687 <span class="comment"> * tFind6Image - skip until the image is found</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   698
 
<a name="l00688"></a>00688 <span class="comment"> *</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   699
 
<a name="l00689"></a>00689 <span class="comment"> * Find the image in Word 6/7 files</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   700
 
<a name="l00690"></a>00690 <span class="comment"> *</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   701
 
<a name="l00691"></a>00691 <span class="comment"> * returns the new position when a image is found, otherwise -1</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   702
 
<a name="l00692"></a>00692 <span class="comment"> */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   703
 
<a name="l00693"></a>00693 <span class="keyword">static</span> <span class="keywordtype">size_t</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   704
 
<a name="l00694"></a>00694 tFind6Image(FILE *pFile, <span class="keywordtype">size_t</span> tPosition, <span class="keywordtype">size_t</span> tLength,
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   705
 
<a name="l00695"></a>00695         imagetype_enum *peImageType)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   706
 
<a name="l00696"></a>00696 {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   707
 
<a name="l00697"></a>00697         ULONG   ulMarker;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   708
 
<a name="l00698"></a>00698         <span class="keywordtype">size_t</span>  tRecordLength, tToSkip;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   709
 
<a name="l00699"></a>00699         USHORT  usMarker;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   710
 
<a name="l00700"></a>00700
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   711
 
<a name="l00701"></a>00701         fail(pFile == NULL);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   712
 
<a name="l00702"></a>00702         fail(peImageType == NULL);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   713
 
<a name="l00703"></a>00703
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   714
 
<a name="l00704"></a>00704         *peImageType = imagetype_is_unknown;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   715
 
<a name="l00705"></a>00705         <span class="keywordflow">if</span> (tPosition + 18 &gt;= tLength) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   716
 
<a name="l00706"></a>00706                 <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)-1;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   717
 
<a name="l00707"></a>00707         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   718
 
<a name="l00708"></a>00708
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   719
 
<a name="l00709"></a>00709         ulMarker = ulNextLong(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   720
 
<a name="l00710"></a>00710         <span class="keywordflow">if</span> (ulMarker != 0x00090001) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   721
 
<a name="l00711"></a>00711                 DBG_HEX(ulMarker);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   722
 
<a name="l00712"></a>00712                 <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)-1;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   723
 
<a name="l00713"></a>00713         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   724
 
<a name="l00714"></a>00714         usMarker = usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   725
 
<a name="l00715"></a>00715         <span class="keywordflow">if</span> (usMarker != 0x0300) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   726
 
<a name="l00716"></a>00716                 DBG_HEX(usMarker);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   727
 
<a name="l00717"></a>00717                 <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)-1;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   728
 
<a name="l00718"></a>00718         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   729
 
<a name="l00719"></a>00719         (void)tSkipBytes(pFile, 10);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   730
 
<a name="l00720"></a>00720         usMarker = usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   731
 
<a name="l00721"></a>00721         <span class="keywordflow">if</span> (usMarker != 0x0000) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   732
 
<a name="l00722"></a>00722                 DBG_HEX(usMarker);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   733
 
<a name="l00723"></a>00723                 <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)-1;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   734
 
<a name="l00724"></a>00724         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   735
 
<a name="l00725"></a>00725         tPosition += 18;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   736
 
<a name="l00726"></a>00726
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   737
 
<a name="l00727"></a>00727         <span class="keywordflow">while</span> (tPosition + 6 &lt;= tLength) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   738
 
<a name="l00728"></a>00728                 tRecordLength = (size_t)ulNextLong(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   739
 
<a name="l00729"></a>00729                 usMarker = usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   740
 
<a name="l00730"></a>00730                 tPosition += 6;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   741
 
<a name="l00731"></a>00731                 NO_DBG_DEC(tRecordLength);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   742
 
<a name="l00732"></a>00732                 NO_DBG_HEX(usMarker);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   743
 
<a name="l00733"></a>00733                 <span class="keywordflow">switch</span> (usMarker) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   744
 
<a name="l00734"></a>00734                 <span class="keywordflow">case</span> 0x0000:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   745
 
<a name="l00735"></a>00735                         DBG_HEX(ulGetDataOffset(pFile));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   746
 
<a name="l00736"></a>00736                         <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)-1;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   747
 
<a name="l00737"></a>00737                 <span class="keywordflow">case</span> 0x0b41:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   748
 
<a name="l00738"></a>00738                         DBG_MSG(<span class="stringliteral">&quot;DIB&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   749
 
<a name="l00739"></a>00739                         *peImageType = imagetype_is_dib;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   750
 
<a name="l00740"></a>00740                         tPosition += tSkipBytes(pFile, 20);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   751
 
<a name="l00741"></a>00741                         <span class="keywordflow">return</span> tPosition;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   752
 
<a name="l00742"></a>00742                 <span class="keywordflow">case</span> 0x0f43:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   753
 
<a name="l00743"></a>00743                         DBG_MSG(<span class="stringliteral">&quot;DIB&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   754
 
<a name="l00744"></a>00744                         *peImageType = imagetype_is_dib;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   755
 
<a name="l00745"></a>00745                         tPosition += tSkipBytes(pFile, 22);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   756
 
<a name="l00746"></a>00746                         <span class="keywordflow">return</span> tPosition;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   757
 
<a name="l00747"></a>00747                 <span class="keywordflow">default</span>:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   758
 
<a name="l00748"></a>00748                         <span class="keywordflow">if</span> (tRecordLength &lt; 3) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   759
 
<a name="l00749"></a>00749                                 <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   760
 
<a name="l00750"></a>00750                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   761
 
<a name="l00751"></a>00751                         <span class="keywordflow">if</span> (tRecordLength &gt; SIZE_T_MAX / 2) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   762
 
<a name="l00752"></a>00752                                 <span class="comment">/*</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   763
 
<a name="l00753"></a>00753 <span class="comment">                                 * No need to compute the number of bytes</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   764
 
<a name="l00754"></a>00754 <span class="comment">                                 * to skip</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   765
 
<a name="l00755"></a>00755 <span class="comment">                                 */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   766
 
<a name="l00756"></a>00756                                 DBG_DEC(tRecordLength);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   767
 
<a name="l00757"></a>00757                                 DBG_HEX(tRecordLength);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   768
 
<a name="l00758"></a>00758                                 DBG_FIXME();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   769
 
<a name="l00759"></a>00759                                 <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)-1;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   770
 
<a name="l00760"></a>00760                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   771
 
<a name="l00761"></a>00761                         tToSkip = tRecordLength * 2 - 6;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   772
 
<a name="l00762"></a>00762                         <span class="keywordflow">if</span> (tToSkip &gt; tLength - tPosition) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   773
 
<a name="l00763"></a>00763                                 <span class="comment">/* You can&#39;t skip this number of bytes */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   774
 
<a name="l00764"></a>00764                                 DBG_DEC(tToSkip);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   775
 
<a name="l00765"></a>00765                                 DBG_DEC(tLength - tPosition);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   776
 
<a name="l00766"></a>00766                                 <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)-1;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   777
 
<a name="l00767"></a>00767                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   778
 
<a name="l00768"></a>00768                         tPosition += tSkipBytes(pFile, tToSkip);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   779
 
<a name="l00769"></a>00769                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   780
 
<a name="l00770"></a>00770                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   781
 
<a name="l00771"></a>00771         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   782
 
<a name="l00772"></a>00772
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   783
 
<a name="l00773"></a>00773         <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)-1;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   784
 
<a name="l00774"></a>00774 } <span class="comment">/* end of tFind6Image */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   785
 
<a name="l00775"></a>00775
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   786
 
<a name="l00776"></a>00776 <span class="comment">/*</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   787
 
<a name="l00777"></a>00777 <span class="comment"> * tFind8Image - skip until the image is found</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   788
 
<a name="l00778"></a>00778 <span class="comment"> *</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   789
 
<a name="l00779"></a>00779 <span class="comment"> * Find the image in Word 8/9/10 files</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   790
 
<a name="l00780"></a>00780 <span class="comment"> *</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   791
 
<a name="l00781"></a>00781 <span class="comment"> * returns the new position when a image is found, otherwise -1</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   792
 
<a name="l00782"></a>00782 <span class="comment"> */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   793
 
<a name="l00783"></a>00783 <span class="keyword">static</span> <span class="keywordtype">size_t</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   794
 
<a name="l00784"></a>00784 tFind8Image(FILE *pFile, <span class="keywordtype">size_t</span> tPosition, <span class="keywordtype">size_t</span> tLength,
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   795
 
<a name="l00785"></a>00785         imagetype_enum *peImageType)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   796
 
<a name="l00786"></a>00786 {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   797
 
<a name="l00787"></a>00787         <span class="keywordtype">size_t</span>  tRecordLength, tNameLen;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   798
 
<a name="l00788"></a>00788         USHORT  usRecordVersion, usRecordType, usRecordInstance;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   799
 
<a name="l00789"></a>00789         USHORT  usTmp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   800
 
<a name="l00790"></a>00790
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   801
 
<a name="l00791"></a>00791         fail(pFile == NULL);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   802
 
<a name="l00792"></a>00792         fail(peImageType == NULL);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   803
 
<a name="l00793"></a>00793
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   804
 
<a name="l00794"></a>00794         *peImageType = imagetype_is_unknown;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   805
 
<a name="l00795"></a>00795         <span class="keywordflow">while</span> (tPosition + 8 &lt;= tLength) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   806
 
<a name="l00796"></a>00796                 usTmp = usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   807
 
<a name="l00797"></a>00797                 usRecordVersion = usTmp &amp; 0x000f;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   808
 
<a name="l00798"></a>00798                 usRecordInstance = usTmp &gt;&gt; 4;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   809
 
<a name="l00799"></a>00799                 usRecordType = usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   810
 
<a name="l00800"></a>00800                 tRecordLength = (size_t)ulNextLong(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   811
 
<a name="l00801"></a>00801                 tPosition += 8;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   812
 
<a name="l00802"></a>00802                 NO_DBG_HEX(usRecordVersion);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   813
 
<a name="l00803"></a>00803                 NO_DBG_HEX(usRecordInstance);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   814
 
<a name="l00804"></a>00804                 NO_DBG_HEX(usRecordType);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   815
 
<a name="l00805"></a>00805                 NO_DBG_DEC(tRecordLength);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   816
 
<a name="l00806"></a>00806                 <span class="keywordflow">switch</span> (usRecordType) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   817
 
<a name="l00807"></a>00807                 <span class="keywordflow">case</span> 0xf000: <span class="keywordflow">case</span> 0xf001: <span class="keywordflow">case</span> 0xf002: <span class="keywordflow">case</span> 0xf003:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   818
 
<a name="l00808"></a>00808                 <span class="keywordflow">case</span> 0xf004: <span class="keywordflow">case</span> 0xf005:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   819
 
<a name="l00809"></a>00809                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   820
 
<a name="l00810"></a>00810                 <span class="keywordflow">case</span> 0xf007:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   821
 
<a name="l00811"></a>00811                         tPosition += tSkipBytes(pFile, 33);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   822
 
<a name="l00812"></a>00812                         tNameLen = (size_t)iNextByte(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   823
 
<a name="l00813"></a>00813                         tPosition++;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   824
 
<a name="l00814"></a>00814                         DBG_DEC_C(tNameLen != 0, tNameLen);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   825
 
<a name="l00815"></a>00815                         tPosition += tSkipBytes(pFile, 2 + tNameLen * 2);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   826
 
<a name="l00816"></a>00816                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   827
 
<a name="l00817"></a>00817                 <span class="keywordflow">case</span> 0xf008:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   828
 
<a name="l00818"></a>00818                         tPosition += tSkipBytes(pFile, 8);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   829
 
<a name="l00819"></a>00819                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   830
 
<a name="l00820"></a>00820                 <span class="keywordflow">case</span> 0xf009:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   831
 
<a name="l00821"></a>00821                         tPosition += tSkipBytes(pFile, 16);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   832
 
<a name="l00822"></a>00822                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   833
 
<a name="l00823"></a>00823                 <span class="keywordflow">case</span> 0xf006: <span class="keywordflow">case</span> 0xf00a: <span class="keywordflow">case</span> 0xf00b: <span class="keywordflow">case</span> 0xf00d:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   834
 
<a name="l00824"></a>00824                 <span class="keywordflow">case</span> 0xf00e: <span class="keywordflow">case</span> 0xf00f: <span class="keywordflow">case</span> 0xf010: <span class="keywordflow">case</span> 0xf011:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   835
 
<a name="l00825"></a>00825                 <span class="keywordflow">case</span> 0xf122:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   836
 
<a name="l00826"></a>00826                         tPosition += tSkipBytes(pFile, tRecordLength);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   837
 
<a name="l00827"></a>00827                         <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   838
 
<a name="l00828"></a>00828                 <span class="keywordflow">case</span> 0xf01a:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   839
 
<a name="l00829"></a>00829                         DBG_MSG(<span class="stringliteral">&quot;EMF&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   840
 
<a name="l00830"></a>00830                         *peImageType = imagetype_is_emf;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   841
 
<a name="l00831"></a>00831                         tPosition += tSkipBytes(pFile, 50);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   842
 
<a name="l00832"></a>00832                         <span class="keywordflow">if</span> ((usRecordInstance ^ MSOBI_EMF) == 1) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   843
 
<a name="l00833"></a>00833                                 tPosition += tSkipBytes(pFile, 16);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   844
 
<a name="l00834"></a>00834                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   845
 
<a name="l00835"></a>00835                         <span class="keywordflow">return</span> tPosition;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   846
 
<a name="l00836"></a>00836                 <span class="keywordflow">case</span> 0xf01b:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   847
 
<a name="l00837"></a>00837                         DBG_MSG(<span class="stringliteral">&quot;WMF&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   848
 
<a name="l00838"></a>00838                         *peImageType = imagetype_is_wmf;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   849
 
<a name="l00839"></a>00839                         tPosition += tSkipBytes(pFile, 50);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   850
 
<a name="l00840"></a>00840                         <span class="keywordflow">if</span> ((usRecordInstance ^ MSOBI_WMF) == 1) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   851
 
<a name="l00841"></a>00841                                 tPosition += tSkipBytes(pFile, 16);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   852
 
<a name="l00842"></a>00842                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   853
 
<a name="l00843"></a>00843                         <span class="keywordflow">return</span> tPosition;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   854
 
<a name="l00844"></a>00844                 <span class="keywordflow">case</span> 0xf01c:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   855
 
<a name="l00845"></a>00845                         DBG_MSG(<span class="stringliteral">&quot;PICT&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   856
 
<a name="l00846"></a>00846                         *peImageType = imagetype_is_pict;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   857
 
<a name="l00847"></a>00847                         tPosition += tSkipBytes(pFile, 50);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   858
 
<a name="l00848"></a>00848                         <span class="keywordflow">if</span> ((usRecordInstance ^ MSOBI_PICT) == 1) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   859
 
<a name="l00849"></a>00849                                 tPosition += tSkipBytes(pFile, 16);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   860
 
<a name="l00850"></a>00850                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   861
 
<a name="l00851"></a>00851                         <span class="keywordflow">return</span> tPosition;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   862
 
<a name="l00852"></a>00852                 <span class="keywordflow">case</span> 0xf01d:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   863
 
<a name="l00853"></a>00853                         DBG_MSG(<span class="stringliteral">&quot;JPEG&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   864
 
<a name="l00854"></a>00854                         *peImageType = imagetype_is_jpeg;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   865
 
<a name="l00855"></a>00855                         tPosition += tSkipBytes(pFile, 17);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   866
 
<a name="l00856"></a>00856                         <span class="keywordflow">if</span> ((usRecordInstance ^ MSOBI_JPEG) == 1) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   867
 
<a name="l00857"></a>00857                                 tPosition += tSkipBytes(pFile, 16);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   868
 
<a name="l00858"></a>00858                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   869
 
<a name="l00859"></a>00859                         <span class="keywordflow">return</span> tPosition;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   870
 
<a name="l00860"></a>00860                 <span class="keywordflow">case</span> 0xf01e:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   871
 
<a name="l00861"></a>00861                         DBG_MSG(<span class="stringliteral">&quot;PNG&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   872
 
<a name="l00862"></a>00862                         *peImageType = imagetype_is_png;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   873
 
<a name="l00863"></a>00863                         tPosition += tSkipBytes(pFile, 17);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   874
 
<a name="l00864"></a>00864                         <span class="keywordflow">if</span> ((usRecordInstance ^ MSOBI_PNG) == 1) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   875
 
<a name="l00865"></a>00865                                 tPosition += tSkipBytes(pFile, 16);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   876
 
<a name="l00866"></a>00866                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   877
 
<a name="l00867"></a>00867                         <span class="keywordflow">return</span> tPosition;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   878
 
<a name="l00868"></a>00868                 <span class="keywordflow">case</span> 0xf01f:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   879
 
<a name="l00869"></a>00869                         DBG_MSG(<span class="stringliteral">&quot;DIB&quot;</span>);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   880
 
<a name="l00870"></a>00870                         <span class="comment">/* DIB is a BMP minus its 14 byte header */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   881
 
<a name="l00871"></a>00871                         *peImageType = imagetype_is_dib;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   882
 
<a name="l00872"></a>00872                         tPosition += tSkipBytes(pFile, 17);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   883
 
<a name="l00873"></a>00873                         <span class="keywordflow">if</span> ((usRecordInstance ^ MSOBI_DIB) == 1) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   884
 
<a name="l00874"></a>00874                                 tPosition += tSkipBytes(pFile, 16);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   885
 
<a name="l00875"></a>00875                         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   886
 
<a name="l00876"></a>00876                         <span class="keywordflow">return</span> tPosition;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   887
 
<a name="l00877"></a>00877                 <span class="keywordflow">case</span> 0xf00c:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   888
 
<a name="l00878"></a>00878                 <span class="keywordflow">default</span>:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   889
 
<a name="l00879"></a>00879                         DBG_HEX(usRecordType);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   890
 
<a name="l00880"></a>00880                         DBG_DEC_C(tRecordLength % 4 != 0, tRecordLength);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   891
 
<a name="l00881"></a>00881                         DBG_FIXME();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   892
 
<a name="l00882"></a>00882                         <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)-1;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   893
 
<a name="l00883"></a>00883                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   894
 
<a name="l00884"></a>00884         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   895
 
<a name="l00885"></a>00885
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   896
 
<a name="l00886"></a>00886         <span class="keywordflow">return</span> (<span class="keywordtype">size_t</span>)-1;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   897
 
<a name="l00887"></a>00887 } <span class="comment">/* end of tFind8Image */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   898
 
<a name="l00888"></a>00888
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   899
 
<a name="l00889"></a>00889 <span class="comment">/*</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   900
 
<a name="l00890"></a>00890 <span class="comment"> * eExamineImage - Examine the image</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   901
 
<a name="l00891"></a>00891 <span class="comment"> *</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   902
 
<a name="l00892"></a>00892 <span class="comment"> * Returns an indication of the amount of information found</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   903
 
<a name="l00893"></a>00893 <span class="comment"> */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   904
 
<a name="l00894"></a>00894 image_info_enum
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   905
 
<a name="l00895"></a>00895 eExamineImage(FILE *pFile, ULONG ulFileOffsetImage, imagedata_type *pImg)
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   906
 
<a name="l00896"></a>00896 {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   907
 
<a name="l00897"></a>00897         <span class="keywordtype">long</span>    lTmp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   908
 
<a name="l00898"></a>00898         <span class="keywordtype">size_t</span>  tWordHeaderLen, tLength, tPos;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   909
 
<a name="l00899"></a>00899         <span class="keywordtype">int</span>     iType, iHorSize, iVerSize;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   910
 
<a name="l00900"></a>00900         USHORT  usHorScalingFactor, usVerScalingFactor;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   911
 
<a name="l00901"></a>00901
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   912
 
<a name="l00902"></a>00902         <span class="keywordflow">if</span> (ulFileOffsetImage == FC_INVALID) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   913
 
<a name="l00903"></a>00903                 <span class="keywordflow">return</span> image_no_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   914
 
<a name="l00904"></a>00904         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   915
 
<a name="l00905"></a>00905         DBG_HEX(ulFileOffsetImage);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   916
 
<a name="l00906"></a>00906
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   917
 
<a name="l00907"></a>00907         <span class="keywordflow">if</span> (!bSetDataOffset(pFile, ulFileOffsetImage)) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   918
 
<a name="l00908"></a>00908                 <span class="keywordflow">return</span> image_no_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   919
 
<a name="l00909"></a>00909         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   920
 
<a name="l00910"></a>00910
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   921
 
<a name="l00911"></a>00911         tLength = (size_t)ulNextLong(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   922
 
<a name="l00912"></a>00912         DBG_DEC(tLength);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   923
 
<a name="l00913"></a>00913         <span class="keywordflow">if</span> (tLength &lt; 46) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   924
 
<a name="l00914"></a>00914                 <span class="comment">/* Smaller than the smallest known header */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   925
 
<a name="l00915"></a>00915                 DBG_FIXME();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   926
 
<a name="l00916"></a>00916                 <span class="keywordflow">return</span> image_no_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   927
 
<a name="l00917"></a>00917         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   928
 
<a name="l00918"></a>00918         tWordHeaderLen = (size_t)usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   929
 
<a name="l00919"></a>00919         DBG_DEC(tWordHeaderLen);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   930
 
<a name="l00920"></a>00920         fail(tWordHeaderLen != 46 &amp;&amp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   931
 
<a name="l00921"></a>00921                 tWordHeaderLen != 58 &amp;&amp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   932
 
<a name="l00922"></a>00922                 tWordHeaderLen != 68);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   933
 
<a name="l00923"></a>00923
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   934
 
<a name="l00924"></a>00924         <span class="keywordflow">if</span> (tLength &lt; tWordHeaderLen) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   935
 
<a name="l00925"></a>00925                 <span class="comment">/* Smaller than the current header */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   936
 
<a name="l00926"></a>00926                 <span class="keywordflow">return</span> image_no_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   937
 
<a name="l00927"></a>00927         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   938
 
<a name="l00928"></a>00928         iType = (int)usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   939
 
<a name="l00929"></a>00929         DBG_DEC(iType);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   940
 
<a name="l00930"></a>00930         (void)tSkipBytes(pFile, 28 - 8);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   941
 
<a name="l00931"></a>00931
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   942
 
<a name="l00932"></a>00932         lTmp = lTwips2MilliPoints(usNextWord(pFile));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   943
 
<a name="l00933"></a>00933         iHorSize = (int)(lTmp / 1000);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   944
 
<a name="l00934"></a>00934         <span class="keywordflow">if</span> (lTmp % 1000 != 0) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   945
 
<a name="l00935"></a>00935                 iHorSize++;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   946
 
<a name="l00936"></a>00936         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   947
 
<a name="l00937"></a>00937         DBG_DEC(iHorSize);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   948
 
<a name="l00938"></a>00938         lTmp = lTwips2MilliPoints(usNextWord(pFile));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   949
 
<a name="l00939"></a>00939         iVerSize = (int)(lTmp / 1000);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   950
 
<a name="l00940"></a>00940         <span class="keywordflow">if</span> (lTmp % 1000 != 0) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   951
 
<a name="l00941"></a>00941                 iVerSize++;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   952
 
<a name="l00942"></a>00942         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   953
 
<a name="l00943"></a>00943         DBG_DEC(iVerSize);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   954
 
<a name="l00944"></a>00944
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   955
 
<a name="l00945"></a>00945         usHorScalingFactor = usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   956
 
<a name="l00946"></a>00946         DBG_DEC(usHorScalingFactor);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   957
 
<a name="l00947"></a>00947         usVerScalingFactor = usNextWord(pFile);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   958
 
<a name="l00948"></a>00948         DBG_DEC(usVerScalingFactor);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   959
 
<a name="l00949"></a>00949
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   960
 
<a name="l00950"></a>00950         <span class="comment">/* Sanity checks */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   961
 
<a name="l00951"></a>00951         lTmp = (long)iHorSize * (<span class="keywordtype">long</span>)usHorScalingFactor;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   962
 
<a name="l00952"></a>00952         <span class="keywordflow">if</span> (lTmp &lt; 2835) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   963
 
<a name="l00953"></a>00953                 <span class="comment">/* This image would be less than 1 millimeter wide */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   964
 
<a name="l00954"></a>00954                 DBG_DEC(lTmp);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   965
 
<a name="l00955"></a>00955                 <span class="keywordflow">return</span> image_no_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   966
 
<a name="l00956"></a>00956         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   967
 
<a name="l00957"></a>00957         lTmp = (long)iVerSize * (<span class="keywordtype">long</span>)usVerScalingFactor;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   968
 
<a name="l00958"></a>00958         <span class="keywordflow">if</span> (lTmp &lt; 2835) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   969
 
<a name="l00959"></a>00959                 <span class="comment">/* This image would be less than 1 millimeter high */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   970
 
<a name="l00960"></a>00960                 DBG_DEC(lTmp);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   971
 
<a name="l00961"></a>00961                 <span class="keywordflow">return</span> image_no_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   972
 
<a name="l00962"></a>00962         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   973
 
<a name="l00963"></a>00963
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   974
 
<a name="l00964"></a>00964         <span class="comment">/* Skip the rest of the header */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   975
 
<a name="l00965"></a>00965         (void)tSkipBytes(pFile, tWordHeaderLen - 36);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   976
 
<a name="l00966"></a>00966         tPos = tWordHeaderLen;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   977
 
<a name="l00967"></a>00967
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   978
 
<a name="l00968"></a>00968         (void)memset(pImg, 0, <span class="keyword">sizeof</span>(*pImg));
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   979
 
<a name="l00969"></a>00969
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   980
 
<a name="l00970"></a>00970         <span class="keywordflow">switch</span> (iType) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   981
 
<a name="l00971"></a>00971         <span class="keywordflow">case</span>   7:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   982
 
<a name="l00972"></a>00972         <span class="keywordflow">case</span>   8:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   983
 
<a name="l00973"></a>00973                 tPos = tFind6Image(pFile, tPos, tLength, &amp;pImg-&gt;eImageType);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   984
 
<a name="l00974"></a>00974                 <span class="keywordflow">if</span> (tPos == (<span class="keywordtype">size_t</span>)-1) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   985
 
<a name="l00975"></a>00975                         <span class="comment">/* No image found */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   986
 
<a name="l00976"></a>00976                         <span class="keywordflow">return</span> image_no_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   987
 
<a name="l00977"></a>00977                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   988
 
<a name="l00978"></a>00978                 DBG_HEX(tPos);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   989
 
<a name="l00979"></a>00979                 <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   990
 
<a name="l00980"></a>00980         <span class="keywordflow">case</span>  94:       <span class="comment">/* Word 6/7, no image just a pathname */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   991
 
<a name="l00981"></a>00981                 pImg-&gt;eImageType = imagetype_is_external;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   992
 
<a name="l00982"></a>00982                 DBG_HEX(ulFileOffsetImage + tPos);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   993
 
<a name="l00983"></a>00983                 <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   994
 
<a name="l00984"></a>00984         <span class="keywordflow">case</span> 100:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   995
 
<a name="l00985"></a>00985                 tPos = tFind8Image(pFile, tPos, tLength, &amp;pImg-&gt;eImageType);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   996
 
<a name="l00986"></a>00986                 <span class="keywordflow">if</span> (tPos == (<span class="keywordtype">size_t</span>)-1) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   997
 
<a name="l00987"></a>00987                         <span class="comment">/* No image found */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   998
 
<a name="l00988"></a>00988                         <span class="keywordflow">return</span> image_no_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
   999
 
<a name="l00989"></a>00989                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1000
 
<a name="l00990"></a>00990                 DBG_HEX(tPos);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1001
 
<a name="l00991"></a>00991                 <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1002
 
<a name="l00992"></a>00992         <span class="keywordflow">case</span> 102:       <span class="comment">/* Word 8/9/10, no image just a pathname or URL */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1003
 
<a name="l00993"></a>00993                 pImg-&gt;eImageType = imagetype_is_external;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1004
 
<a name="l00994"></a>00994                 DBG_HEX(ulFileOffsetImage + tPos);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1005
 
<a name="l00995"></a>00995                 <span class="keywordflow">break</span>;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1006
 
<a name="l00996"></a>00996         <span class="keywordflow">default</span>:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1007
 
<a name="l00997"></a>00997                 DBG_DEC(iType);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1008
 
<a name="l00998"></a>00998                 DBG_HEX(ulFileOffsetImage + tPos);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1009
 
<a name="l00999"></a>00999                 DBG_FIXME();
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1010
 
<a name="l01000"></a>01000                 <span class="keywordflow">return</span> image_no_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1011
 
<a name="l01001"></a>01001         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1012
 
<a name="l01002"></a>01002
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1013
 
<a name="l01003"></a>01003         <span class="comment">/* Minimal information is now available */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1014
 
<a name="l01004"></a>01004         pImg-&gt;tLength = tLength;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1015
 
<a name="l01005"></a>01005         pImg-&gt;tPosition = tPos;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1016
 
<a name="l01006"></a>01006         pImg-&gt;iHorSizeScaled =
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1017
 
<a name="l01007"></a>01007                 (int)(((<span class="keywordtype">long</span>)iHorSize * (<span class="keywordtype">long</span>)usHorScalingFactor + 500) / 1000);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1018
 
<a name="l01008"></a>01008         pImg-&gt;iVerSizeScaled =
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1019
 
<a name="l01009"></a>01009                 (int)(((<span class="keywordtype">long</span>)iVerSize * (long)usVerScalingFactor + 500) / 1000);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1020
 
<a name="l01010"></a>01010 <span class="preprocessor">#if !defined(__riscos)</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1021
 
<a name="l01011"></a>01011 <span class="preprocessor"></span>        vImage2Papersize(pImg);
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1022
 
<a name="l01012"></a>01012 <span class="preprocessor">#endif </span><span class="comment">/* !__riscos */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1023
 
<a name="l01013"></a>01013
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1024
 
<a name="l01014"></a>01014         <span class="comment">/* Image type specific examinations */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1025
 
<a name="l01015"></a>01015         <span class="keywordflow">switch</span> (pImg-&gt;eImageType) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1026
 
<a name="l01016"></a>01016         <span class="keywordflow">case</span> imagetype_is_dib:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1027
 
<a name="l01017"></a>01017                 <span class="keywordflow">if</span> (bExamineDIB(pFile, pImg)) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1028
 
<a name="l01018"></a>01018                         <span class="keywordflow">return</span> image_full_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1029
 
<a name="l01019"></a>01019                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1030
 
<a name="l01020"></a>01020                 <span class="keywordflow">return</span> image_minimal_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1031
 
<a name="l01021"></a>01021         <span class="keywordflow">case</span> imagetype_is_jpeg:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1032
 
<a name="l01022"></a>01022                 <span class="keywordflow">if</span> (bExamineJPEG(pFile, pImg)) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1033
 
<a name="l01023"></a>01023                         <span class="keywordflow">return</span> image_full_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1034
 
<a name="l01024"></a>01024                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1035
 
<a name="l01025"></a>01025                 <span class="keywordflow">return</span> image_minimal_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1036
 
<a name="l01026"></a>01026         <span class="keywordflow">case</span> imagetype_is_png:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1037
 
<a name="l01027"></a>01027                 <span class="keywordflow">if</span> (bExaminePNG(pFile, pImg)) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1038
 
<a name="l01028"></a>01028                         <span class="keywordflow">return</span> image_full_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1039
 
<a name="l01029"></a>01029                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1040
 
<a name="l01030"></a>01030                 <span class="keywordflow">return</span> image_minimal_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1041
 
<a name="l01031"></a>01031         <span class="keywordflow">case</span> imagetype_is_wmf:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1042
 
<a name="l01032"></a>01032                 <span class="keywordflow">if</span> (bExamineWMF(pFile, pImg)) {
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1043
 
<a name="l01033"></a>01033                         <span class="keywordflow">return</span> image_full_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1044
 
<a name="l01034"></a>01034                 }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1045
 
<a name="l01035"></a>01035                 <span class="keywordflow">return</span> image_minimal_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1046
 
<a name="l01036"></a>01036         <span class="keywordflow">case</span> imagetype_is_emf:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1047
 
<a name="l01037"></a>01037         <span class="keywordflow">case</span> imagetype_is_pict:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1048
 
<a name="l01038"></a>01038         <span class="keywordflow">case</span> imagetype_is_external:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1049
 
<a name="l01039"></a>01039                 <span class="keywordflow">return</span> image_minimal_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1050
 
<a name="l01040"></a>01040         <span class="keywordflow">case</span> imagetype_is_unknown:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1051
 
<a name="l01041"></a>01041         <span class="keywordflow">default</span>:
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1052
 
<a name="l01042"></a>01042                 <span class="keywordflow">return</span> image_no_information;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1053
 
<a name="l01043"></a>01043         }
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1054
 
<a name="l01044"></a>01044 } <span class="comment">/* end of eExamineImage */</span>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1055
 
</pre></div></div>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1056
 
<hr size="1"/><address style="text-align: right;"><small>Generated by&nbsp;
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1057
 
<a href="http://www.doxygen.org/index.html">
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1058
 
<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.2 </small></address>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1059
 
</body>
43e37759235e Week 12 contribution of example code"
Dominic Pinkman <Dominic.Pinkman@Nokia.com>
parents:
diff changeset 
  1060
 
</html>
MCL/sftools/depl/docscontent