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3 <title>TB10.1 Example Applications: examples/Graphics/Bitmaps/Bitmap.cpp Source File</title> |
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8 <h1>examples/Graphics/Bitmaps/Bitmap.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright (c) 2000-2009 Nokia Corporation and/or its subsidiary(-ies).</span> |
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9 <a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span> |
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10 <a name="l00003"></a>00003 <span class="comment">// This component and the accompanying materials are made available</span> |
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11 <a name="l00004"></a>00004 <span class="comment">// under the terms of "Eclipse Public License v1.0"</span> |
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12 <a name="l00005"></a>00005 <span class="comment">// which accompanies this distribution, and is available</span> |
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13 <a name="l00006"></a>00006 <span class="comment">// at the URL "http://www.eclipse.org/legal/epl-v10.html".</span> |
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14 <a name="l00007"></a>00007 <span class="comment">//</span> |
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15 <a name="l00008"></a>00008 <span class="comment">// Initial Contributors:</span> |
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16 <a name="l00009"></a>00009 <span class="comment">// Nokia Corporation - initial contribution.</span> |
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17 <a name="l00010"></a>00010 <span class="comment">//</span> |
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18 <a name="l00011"></a>00011 <span class="comment">// Contributors:</span> |
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19 <a name="l00012"></a>00012 <span class="comment">//</span> |
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20 <a name="l00013"></a>00013 <span class="comment">// Description:</span> |
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21 <a name="l00014"></a>00014 <span class="comment">//</span> |
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22 <a name="l00015"></a>00015 |
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23 <a name="l00016"></a>00016 <span class="preprocessor">#include "BitmapsGraphicsControl.h"</span> |
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24 <a name="l00017"></a>00017 |
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25 <a name="l00018"></a>00018 <span class="preprocessor">#include <grbmap.mbg></span> |
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26 <a name="l00019"></a>00019 |
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27 <a name="l00020"></a>00020 _LIT(KTxtZDrive,<span class="stringliteral">"Z:"</span>); |
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28 <a name="l00021"></a>00021 |
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29 <a name="l00022"></a>00022 <span class="keywordtype">void</span> CBitmapControl::LoadBitmapL(CFbsBitmap* aBitMap,<span class="keyword">const</span> TDesC& aPathAndFile,TInt aId,TBool aShareIfLoaded) |
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30 <a name="l00023"></a>00023 { |
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31 <a name="l00024"></a>00024 TParse mbfn; |
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32 <a name="l00025"></a>00025 |
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33 <a name="l00026"></a>00026 TDriveUnit sysDrive (RFs::GetSystemDrive()); |
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34 <a name="l00027"></a>00027 TDriveName sysDriveName (sysDrive.Name()); |
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35 <a name="l00028"></a>00028 TFileName fileName(sysDriveName); |
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36 <a name="l00029"></a>00029 fileName.Append(aPathAndFile); |
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37 <a name="l00030"></a>00030 |
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38 <a name="l00031"></a>00031 mbfn.Set(aPathAndFile,&fileName,NULL); |
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39 <a name="l00032"></a>00032 <span class="keywordflow">if</span> (!aBitMap->Load(mbfn.FullName(),aId,aShareIfLoaded)) |
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40 <a name="l00033"></a>00033 <span class="keywordflow">return</span>; |
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41 <a name="l00034"></a>00034 |
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42 <a name="l00035"></a>00035 mbfn.Set(aPathAndFile,&KTxtZDrive,NULL); |
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43 <a name="l00036"></a>00036 User::LeaveIfError(aBitMap->Load(mbfn.FullName(),aId,aShareIfLoaded)); |
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44 <a name="l00037"></a>00037 <span class="keywordflow">return</span>; |
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45 <a name="l00038"></a>00038 } |
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46 <a name="l00039"></a>00039 |
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47 <a name="l00040"></a>00040 |
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48 <a name="l00041"></a>00041 <span class="comment">// Text printed to the console</span> |
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49 <a name="l00042"></a>00042 _LIT(KTxtCase0,<span class="stringliteral">"draw bitmap, centered on screen using block transfer"</span>); |
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50 <a name="l00043"></a>00043 _LIT(KTxtCase1,<span class="stringliteral">"draw piece of bitmap using block transfer"</span>); |
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51 <a name="l00044"></a>00044 _LIT(KTxtCase2,<span class="stringliteral">"draw bitmap described in twips using DrawBitmap()"</span>); |
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52 <a name="l00045"></a>00045 _LIT(KTxtCase3,<span class="stringliteral">"draw stretched bitmap"</span>); |
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53 <a name="l00046"></a>00046 _LIT(KTxtCase4,<span class="stringliteral">"tile rectangle, using bitmap as the brush pattern"</span>); |
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54 <a name="l00047"></a>00047 _LIT(KTxtCase5,<span class="stringliteral">"tile rectangle, tiling around center of screen"</span>); |
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55 <a name="l00048"></a>00048 _LIT(KTxtCase6,<span class="stringliteral">"masks: the problem of drawing a bitmap on different backgrounds"</span>); |
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56 <a name="l00049"></a>00049 _LIT(KTxtCase7,<span class="stringliteral">"masks: using a mask to give a bitmap a transparent background"</span>); |
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57 <a name="l00050"></a>00050 |
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58 <a name="l00051"></a>00051 <span class="comment">// The name of the multi-bitmap file containing the bitmap</span> |
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59 <a name="l00052"></a>00052 <span class="comment">// and bitmap mask files.</span> |
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60 <a name="l00053"></a>00053 _LIT(KTxtMBMname,<span class="stringliteral">"\\resource\\apps\\grbmap.mbm"</span>); |
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61 <a name="l00054"></a>00054 |
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62 <a name="l00055"></a><a class="code" href="class_c_bitmap_control.html#6809a3c3e470bf528e76c03d32dc50d5">00055</a> <span class="keywordtype">void</span> <a class="code" href="class_c_bitmap_control.html#6809a3c3e470bf528e76c03d32dc50d5">CBitmapControl::UpdateModelL</a>() |
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63 <a name="l00056"></a>00056 { |
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64 <a name="l00057"></a>00057 <span class="comment">// set up name for bitmap sharing</span> |
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65 <a name="l00058"></a>00058 TBool shareIfLoaded(ETrue); |
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66 <a name="l00059"></a>00059 |
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67 <a name="l00060"></a>00060 <span class="keywordflow">switch</span> (<a class="code" href="class_c_graphic_example_control.html#10cd59814369e1e7a96e86091214f02c">Phase</a>()) |
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68 <a name="l00061"></a>00061 { |
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69 <a name="l00062"></a>00062 <span class="keywordflow">case</span> 0: |
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70 <a name="l00063"></a>00063 <span class="comment">// load the bitmap and mask bitmap</span> |
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71 <a name="l00064"></a>00064 iBitmap = <span class="keyword">new</span> (ELeave) CFbsBitmap(); |
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72 <a name="l00065"></a>00065 LoadBitmapL(iBitmap,KTxtMBMname,EMbmGrbmapSmiley,shareIfLoaded); |
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73 <a name="l00066"></a>00066 iMaskBitmap = <span class="keyword">new</span> (ELeave) CFbsBitmap(); |
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74 <a name="l00067"></a>00067 LoadBitmapL(iMaskBitmap,KTxtMBMname,EMbmGrbmapSmilmask,shareIfLoaded); |
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75 <a name="l00068"></a>00068 <a class="code" href="class_c_graphic_example_control.html#cd78cd38a2abb1a227870b931cdef1c0">iGraphObserver</a>-><a class="code" href="class_m_graphics_example_observer.html#73c0f73c82cb076c7bcbe419516b7e7d">NotifyStatus</a>(KTxtCase0); |
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76 <a name="l00069"></a>00069 <span class="keywordflow">break</span>; |
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77 <a name="l00070"></a>00070 <span class="keywordflow">case</span> 1: |
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78 <a name="l00071"></a>00071 <a class="code" href="class_c_graphic_example_control.html#cd78cd38a2abb1a227870b931cdef1c0">iGraphObserver</a>-><a class="code" href="class_m_graphics_example_observer.html#73c0f73c82cb076c7bcbe419516b7e7d">NotifyStatus</a>(KTxtCase1); |
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79 <a name="l00072"></a>00072 <span class="keywordflow">break</span>; |
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80 <a name="l00073"></a>00073 <span class="keywordflow">case</span> 2: |
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81 <a name="l00074"></a>00074 <a class="code" href="class_c_graphic_example_control.html#cd78cd38a2abb1a227870b931cdef1c0">iGraphObserver</a>-><a class="code" href="class_m_graphics_example_observer.html#73c0f73c82cb076c7bcbe419516b7e7d">NotifyStatus</a>(KTxtCase2); |
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82 <a name="l00075"></a>00075 <span class="keywordflow">break</span>; |
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83 <a name="l00076"></a>00076 <span class="keywordflow">case</span> 3: |
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84 <a name="l00077"></a>00077 <a class="code" href="class_c_graphic_example_control.html#cd78cd38a2abb1a227870b931cdef1c0">iGraphObserver</a>-><a class="code" href="class_m_graphics_example_observer.html#73c0f73c82cb076c7bcbe419516b7e7d">NotifyStatus</a>(KTxtCase3); |
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85 <a name="l00078"></a>00078 <span class="keywordflow">break</span>; |
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86 <a name="l00079"></a>00079 <span class="keywordflow">case</span> 4: |
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87 <a name="l00080"></a>00080 <a class="code" href="class_c_graphic_example_control.html#cd78cd38a2abb1a227870b931cdef1c0">iGraphObserver</a>-><a class="code" href="class_m_graphics_example_observer.html#73c0f73c82cb076c7bcbe419516b7e7d">NotifyStatus</a>(KTxtCase4); |
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88 <a name="l00081"></a>00081 <span class="keywordflow">break</span>; |
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89 <a name="l00082"></a>00082 <span class="keywordflow">case</span> 5: |
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90 <a name="l00083"></a>00083 <a class="code" href="class_c_graphic_example_control.html#cd78cd38a2abb1a227870b931cdef1c0">iGraphObserver</a>-><a class="code" href="class_m_graphics_example_observer.html#73c0f73c82cb076c7bcbe419516b7e7d">NotifyStatus</a>(KTxtCase5); |
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91 <a name="l00084"></a>00084 <span class="keywordflow">break</span>; |
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92 <a name="l00085"></a>00085 <span class="keywordflow">case</span> 6: |
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93 <a name="l00086"></a>00086 <a class="code" href="class_c_graphic_example_control.html#cd78cd38a2abb1a227870b931cdef1c0">iGraphObserver</a>-><a class="code" href="class_m_graphics_example_observer.html#73c0f73c82cb076c7bcbe419516b7e7d">NotifyStatus</a>(KTxtCase6); |
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94 <a name="l00087"></a>00087 <span class="keywordflow">break</span>; |
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95 <a name="l00088"></a>00088 <span class="keywordflow">case</span> 7: |
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96 <a name="l00089"></a>00089 <a class="code" href="class_c_graphic_example_control.html#cd78cd38a2abb1a227870b931cdef1c0">iGraphObserver</a>-><a class="code" href="class_m_graphics_example_observer.html#73c0f73c82cb076c7bcbe419516b7e7d">NotifyStatus</a>(KTxtCase7); |
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97 <a name="l00090"></a>00090 <span class="keywordflow">break</span>; |
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98 <a name="l00091"></a>00091 } |
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99 <a name="l00092"></a>00092 } |
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100 <a name="l00093"></a>00093 |
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101 <a name="l00094"></a><a class="code" href="class_c_bitmap_control.html#d102cff1346dac277cf4a8d5ca1e68e6">00094</a> <span class="keywordtype">void</span> <a class="code" href="class_c_bitmap_control.html#d102cff1346dac277cf4a8d5ca1e68e6">CBitmapControl::Draw</a>(<span class="keyword">const</span> TRect& <span class="comment">/* aRect */</span>)<span class="keyword"> const</span> |
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102 <a name="l00095"></a>00095 <span class="keyword"> </span>{ |
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103 <a name="l00096"></a>00096 <span class="comment">// draw surrounding rectangle</span> |
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104 <a name="l00097"></a>00097 CWindowGc& gc=SystemGc(); <span class="comment">// graphics context we draw to</span> |
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105 <a name="l00098"></a>00098 gc.UseFont(<a class="code" href="class_c_graphic_example_control.html#af4af5e6c316111e08e05395f98a99e0">iMessageFont</a>); <span class="comment">// use the system message font</span> |
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106 <a name="l00099"></a>00099 gc.Clear(); <span class="comment">// clear the area to be drawn to</span> |
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107 <a name="l00100"></a>00100 SystemGc().DrawRect(Rect()); <span class="comment">// surrounding rectangle to draw into</span> |
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108 <a name="l00101"></a>00101 TRect rect=Rect(); <span class="comment">// a centered rectangle of the default size</span> |
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109 <a name="l00102"></a>00102 TRect bmpPieceRect=Rect(); <span class="comment">// a rectangle to define a piece of bitmap</span> |
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110 <a name="l00103"></a>00103 TInt xDelta=0; <span class="comment">// for x coordinates</span> |
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111 <a name="l00104"></a>00104 TInt yDelta=0; <span class="comment">// for y coordinates</span> |
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112 <a name="l00105"></a>00105 TPoint screenCenterPoint=rect.Center(); <span class="comment">// the center of the screen</span> |
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113 <a name="l00106"></a>00106 |
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114 <a name="l00107"></a>00107 <span class="comment">// decide what to do, and do it</span> |
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115 <a name="l00108"></a>00108 <span class="keywordflow">switch</span> (<a class="code" href="class_c_graphic_example_control.html#10cd59814369e1e7a96e86091214f02c">Phase</a>()) |
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116 <a name="l00109"></a>00109 { |
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117 <a name="l00110"></a>00110 <span class="keywordflow">case</span> 0: |
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118 <a name="l00111"></a>00111 <span class="comment">// draw a whole bitmap centered on the screen,</span> |
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119 <a name="l00112"></a>00112 <span class="comment">// using bitmap block transfer</span> |
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120 <a name="l00113"></a>00113 { |
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121 <a name="l00114"></a>00114 <span class="comment">// calculate position for top left of bitmap so it is centered</span> |
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122 <a name="l00115"></a>00115 TSize bmpSizeInPixels=iBitmap->SizeInPixels(); |
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123 <a name="l00116"></a>00116 xDelta=(rect.Width()-bmpSizeInPixels.iWidth)/2; |
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124 <a name="l00117"></a>00117 yDelta=(rect.Height()-bmpSizeInPixels.iHeight)/2; |
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125 <a name="l00118"></a>00118 TPoint pos=TPoint(xDelta,yDelta); <span class="comment">// displacement vector</span> |
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126 <a name="l00119"></a>00119 pos+=rect.iTl; <span class="comment">// bitmap top left corner position</span> |
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127 <a name="l00120"></a>00120 gc.BitBlt(pos, iBitmap); <span class="comment">// CWindowGc member function</span> |
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128 <a name="l00121"></a>00121 } |
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129 <a name="l00122"></a>00122 <span class="keywordflow">break</span>; |
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130 <a name="l00123"></a>00123 <span class="keywordflow">case</span> 1: |
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131 <a name="l00124"></a>00124 <span class="comment">// draw a rectangular piece of a bitmap, centered on the screen,</span> |
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132 <a name="l00125"></a>00125 <span class="comment">// using bitmap block transfer</span> |
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133 <a name="l00126"></a>00126 { |
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134 <a name="l00127"></a>00127 <span class="comment">// calculate bitmap piece, half size from center of source bitmap</span> |
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135 <a name="l00128"></a>00128 TSize bmpSizeInPixels=iBitmap->SizeInPixels(); |
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136 <a name="l00129"></a>00129 TSize bmpPieceSize(bmpSizeInPixels.iWidth*2/3,bmpSizeInPixels.iHeight*2/3); |
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137 <a name="l00130"></a>00130 TPoint bmpPieceTopLeft(0,0); |
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138 <a name="l00131"></a>00131 bmpPieceRect.SetRect(bmpPieceTopLeft,bmpPieceSize); |
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139 <a name="l00132"></a>00132 <span class="comment">// calculate position for top left of bitmap piece so it is centered</span> |
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140 <a name="l00133"></a>00133 xDelta=(rect.Width()-bmpPieceRect.Width())/2; |
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141 <a name="l00134"></a>00134 yDelta=(rect.Height()-bmpPieceRect.Height())/2; |
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142 <a name="l00135"></a>00135 TPoint pos=TPoint(xDelta,yDelta); <span class="comment">// displacement vector</span> |
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143 <a name="l00136"></a>00136 pos+=rect.iTl; <span class="comment">// bitmap piece top left corner position</span> |
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144 <a name="l00137"></a>00137 gc.BitBlt(pos, iBitmap, bmpPieceRect); <span class="comment">// using bitmap piece</span> |
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145 <a name="l00138"></a>00138 } |
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146 <a name="l00139"></a>00139 <span class="keywordflow">break</span>; |
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147 <a name="l00140"></a>00140 <span class="keywordflow">case</span> 2: |
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148 <a name="l00141"></a>00141 <span class="comment">// draw a bitmap to a defined size in twips</span> |
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149 <a name="l00142"></a>00142 <span class="comment">// in the top left corner the rectangle,</span> |
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150 <a name="l00143"></a>00143 <span class="comment">// using the GDI DrawBitmap() function</span> |
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151 <a name="l00144"></a>00144 { |
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152 <a name="l00145"></a>00145 TSize bmpSizeInTwips(600,600); <span class="comment">// must set twips size, default (0,0)</span> |
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153 <a name="l00146"></a>00146 iBitmap->SetSizeInTwips(bmpSizeInTwips); |
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154 <a name="l00147"></a>00147 gc.DrawBitmap(rect.iTl, iBitmap); |
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155 <a name="l00148"></a>00148 } |
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156 <a name="l00149"></a>00149 <span class="keywordflow">break</span>; |
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157 <a name="l00150"></a>00150 <span class="keywordflow">case</span> 3: |
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158 <a name="l00151"></a>00151 <span class="comment">// draw a stretched bitmap inside the rectangle,</span> |
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159 <a name="l00152"></a>00152 <span class="comment">// using the GDI DrawBitmap() function</span> |
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160 <a name="l00153"></a>00153 { |
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161 <a name="l00154"></a>00154 gc.DrawBitmap(rect, iBitmap); |
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162 <a name="l00155"></a>00155 } |
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163 <a name="l00156"></a>00156 <span class="keywordflow">break</span>; |
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164 <a name="l00157"></a>00157 <span class="keywordflow">case</span> 4: |
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165 <a name="l00158"></a>00158 { |
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166 <a name="l00159"></a>00159 <span class="comment">// use bitmap as brush pattern, tiling from top left of rectangle</span> |
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167 <a name="l00160"></a>00160 <span class="comment">// set brush pattern and style to use the bitmap</span> |
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168 <a name="l00161"></a>00161 gc.UseBrushPattern(iBitmap); |
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169 <a name="l00162"></a>00162 gc.SetBrushStyle(CGraphicsContext::EPatternedBrush); |
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170 <a name="l00163"></a>00163 gc.DrawRect(rect); |
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171 <a name="l00164"></a>00164 gc.DiscardBrushPattern(); |
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172 <a name="l00165"></a>00165 } |
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173 <a name="l00166"></a>00166 <span class="keywordflow">break</span>; |
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174 <a name="l00167"></a>00167 <span class="keywordflow">case</span> 5: |
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175 <a name="l00168"></a>00168 { |
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176 <a name="l00169"></a>00169 <span class="comment">// use bitmap as brush pattern, tiling around center of screen</span> |
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177 <a name="l00170"></a>00170 <span class="comment">// set brush pattern and style to use the bitmap</span> |
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178 <a name="l00171"></a>00171 gc.SetBrushOrigin(screenCenterPoint); |
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179 <a name="l00172"></a>00172 gc.UseBrushPattern(iBitmap); |
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180 <a name="l00173"></a>00173 gc.SetBrushStyle(CGraphicsContext::EPatternedBrush); |
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181 <a name="l00174"></a>00174 gc.DrawRect(rect); |
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182 <a name="l00175"></a>00175 gc.DiscardBrushPattern(); |
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183 <a name="l00176"></a>00176 } |
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184 <a name="l00177"></a>00177 <span class="keywordflow">break</span>; |
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185 <a name="l00178"></a>00178 <span class="keywordflow">case</span> 6: |
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186 <a name="l00179"></a>00179 <span class="comment">// bisect screen into two different coloured rects</span> |
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187 <a name="l00180"></a>00180 { |
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188 <a name="l00181"></a>00181 TRect screenRect=Rect(); |
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189 <a name="l00182"></a>00182 TInt bisect = (screenRect.iBr.iX-screenRect.iTl.iX)/2 + screenRect.iTl.iX; |
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190 <a name="l00183"></a>00183 TRect leftRect(screenRect.iTl,TPoint(bisect,screenRect.iBr.iY)); |
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191 <a name="l00184"></a>00184 TRect rightRect(TPoint(bisect,screenRect.iTl.iY),screenRect.iBr); |
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192 <a name="l00185"></a>00185 TRgb darkGray(85,85,85); |
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193 <a name="l00186"></a>00186 gc.SetBrushColor(darkGray); |
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194 <a name="l00187"></a>00187 gc.Clear(leftRect); |
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195 <a name="l00188"></a>00188 TRgb black(0,0,0); |
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196 <a name="l00189"></a>00189 gc.SetBrushColor(black); |
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197 <a name="l00190"></a>00190 gc.Clear(rightRect); |
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198 <a name="l00191"></a>00191 |
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199 <a name="l00192"></a>00192 TSize bmpSizeInPixels=iBitmap->SizeInPixels(); |
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200 <a name="l00193"></a>00193 TSize bmpPieceSize(bmpSizeInPixels.iWidth,bmpSizeInPixels.iHeight); |
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201 <a name="l00194"></a>00194 TPoint bmpPieceTopLeft(0,0); |
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202 <a name="l00195"></a>00195 bmpPieceRect.SetRect(bmpPieceTopLeft,bmpPieceSize); |
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203 <a name="l00196"></a>00196 |
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204 <a name="l00197"></a>00197 <span class="comment">// center bitmap on left</span> |
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205 <a name="l00198"></a>00198 xDelta=(leftRect.Width()-bmpPieceRect.Width())/2; |
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206 <a name="l00199"></a>00199 yDelta=(leftRect.Height()-bmpPieceRect.Height())/2; |
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207 <a name="l00200"></a>00200 TPoint pos=TPoint(xDelta,yDelta); <span class="comment">// displacement vector</span> |
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208 <a name="l00201"></a>00201 pos += leftRect.iTl; <span class="comment">// bitmap piece top left corner position</span> |
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209 <a name="l00202"></a>00202 gc.BitBlt(pos,iBitmap); |
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210 <a name="l00203"></a>00203 |
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211 <a name="l00204"></a>00204 <span class="comment">// center bitmap on right</span> |
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212 <a name="l00205"></a>00205 xDelta=(rightRect.Width()-bmpPieceRect.Width())/2; |
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213 <a name="l00206"></a>00206 yDelta=(rightRect.Height()-bmpPieceRect.Height())/2; |
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214 <a name="l00207"></a>00207 TPoint pos2=TPoint(xDelta,yDelta); <span class="comment">// displacement vector</span> |
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215 <a name="l00208"></a>00208 pos2 += rightRect.iTl; <span class="comment">// bitmap piece top left corner position</span> |
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216 <a name="l00209"></a>00209 gc.BitBlt(pos2,iBitmap); |
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217 <a name="l00210"></a>00210 } |
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218 <a name="l00211"></a>00211 <span class="keywordflow">break</span>; |
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219 <a name="l00212"></a>00212 <span class="keywordflow">case</span> 7: |
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220 <a name="l00213"></a>00213 <span class="comment">// bisect screen into two different coloured rects</span> |
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221 <a name="l00214"></a>00214 { |
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222 <a name="l00215"></a>00215 TRect screenRect=Rect(); |
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223 <a name="l00216"></a>00216 TInt bisect = (screenRect.iBr.iX-screenRect.iTl.iX)/2 + screenRect.iTl.iX; |
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224 <a name="l00217"></a>00217 TRect leftRect(TPoint(screenRect.iTl.iX,screenRect.iTl.iY+50),TPoint(bisect,screenRect.iBr.iY)); |
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225 <a name="l00218"></a>00218 TRect rightRect(TPoint(bisect,screenRect.iTl.iY+50),screenRect.iBr); |
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226 <a name="l00219"></a>00219 TRgb darkGray(85,85,85); |
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227 <a name="l00220"></a>00220 gc.SetBrushColor(darkGray); |
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228 <a name="l00221"></a>00221 gc.Clear(leftRect); |
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229 <a name="l00222"></a>00222 TRgb black(0,0,0); |
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230 <a name="l00223"></a>00223 gc.SetBrushColor(black); |
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231 <a name="l00224"></a>00224 gc.Clear(rightRect); |
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232 <a name="l00225"></a>00225 |
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233 <a name="l00226"></a>00226 TSize bmpSizeInPixels=iBitmap->SizeInPixels(); |
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234 <a name="l00227"></a>00227 TSize bmpPieceSize(bmpSizeInPixels.iWidth,bmpSizeInPixels.iHeight); |
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235 <a name="l00228"></a>00228 TPoint bmpPieceTopLeft(0,0); |
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236 <a name="l00229"></a>00229 bmpPieceRect.SetRect(bmpPieceTopLeft,bmpPieceSize); |
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237 <a name="l00230"></a>00230 |
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238 <a name="l00231"></a>00231 <span class="comment">// center bitmap on left</span> |
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239 <a name="l00232"></a>00232 xDelta=(leftRect.Width()-bmpPieceRect.Width())/2; |
|
240 <a name="l00233"></a>00233 yDelta=(leftRect.Height()-bmpPieceRect.Height())/2; |
|
241 <a name="l00234"></a>00234 TPoint pos=TPoint(xDelta,yDelta); <span class="comment">// displacement vector</span> |
|
242 <a name="l00235"></a>00235 pos += leftRect.iTl; <span class="comment">// bitmap piece top left corner position</span> |
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243 <a name="l00236"></a>00236 gc.BitBltMasked(pos,iBitmap,bmpPieceRect,iMaskBitmap,EFalse); <span class="comment">// CWindowGc member function</span> |
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244 <a name="l00237"></a>00237 |
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245 <a name="l00238"></a>00238 <span class="comment">// center bitmap on right</span> |
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246 <a name="l00239"></a>00239 xDelta=(rightRect.Width()-bmpPieceRect.Width())/2; |
|
247 <a name="l00240"></a>00240 yDelta=(rightRect.Height()-bmpPieceRect.Height())/2; |
|
248 <a name="l00241"></a>00241 TPoint pos2=TPoint(xDelta,yDelta); <span class="comment">// displacement vector</span> |
|
249 <a name="l00242"></a>00242 pos2 += rightRect.iTl; <span class="comment">// bitmap piece top left corner position</span> |
|
250 <a name="l00243"></a>00243 gc.BitBltMasked(pos2,iBitmap,bmpPieceRect,iMaskBitmap,EFalse); <span class="comment">// CWindowGc member function</span> |
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251 <a name="l00244"></a>00244 |
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252 <a name="l00245"></a>00245 _LIT(KTxtTheBitmap,<span class="stringliteral">"The bitmap:"</span>); |
|
253 <a name="l00246"></a>00246 _LIT(KTxtBitmapMask,<span class="stringliteral">"The bitmap's mask:"</span>); |
|
254 <a name="l00247"></a>00247 |
|
255 <a name="l00248"></a>00248 gc.DrawText(KTxtTheBitmap,TPoint(5,20)); |
|
256 <a name="l00249"></a>00249 gc.BitBlt(TPoint(130,0),iBitmap); |
|
257 <a name="l00250"></a>00250 gc.DrawText(KTxtBitmapMask,TPoint(197,20)); |
|
258 <a name="l00251"></a>00251 gc.BitBlt(TPoint(400,0),iMaskBitmap); |
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259 <a name="l00252"></a>00252 } |
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260 <a name="l00253"></a>00253 <span class="keywordflow">break</span>; |
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261 <a name="l00254"></a>00254 <span class="keywordflow">default</span>: |
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262 <a name="l00255"></a>00255 <span class="keywordflow">break</span>; |
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263 <a name="l00256"></a>00256 } |
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264 <a name="l00257"></a>00257 } |
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265 </pre></div><hr size="1"><address style="text-align: right;"><small>Generated on Thu Jan 21 10:32:57 2010 for TB10.1 Example Applications by |
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266 <a href="http://www.doxygen.org/index.html"> |
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267 <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address> |
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268 </body> |
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269 </html> |