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1 /* $Id: ascii_tag.c,v 1.5 2006/03/23 14:54:02 dron Exp $ */ |
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2 |
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3 /* |
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4 * Copyright (c) 2004, Andrey Kiselev <dron@ak4719.spb.edu> |
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5 * |
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6 * Permission to use, copy, modify, distribute, and sell this software and |
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7 * its documentation for any purpose is hereby granted without fee, provided |
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8 * that (i) the above copyright notices and this permission notice appear in |
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9 * all copies of the software and related documentation, and (ii) the names of |
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10 * Sam Leffler and Silicon Graphics may not be used in any advertising or |
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11 * publicity relating to the software without the specific, prior written |
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12 * permission of Sam Leffler and Silicon Graphics. |
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13 * |
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14 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND, |
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15 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY |
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16 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. |
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17 * |
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18 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR |
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19 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, |
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20 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
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21 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF |
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22 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE |
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23 * OF THIS SOFTWARE. |
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24 */ |
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25 |
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26 /* |
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27 * TIFF Library |
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28 * |
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29 * Module to test ASCII tags read/write functions. |
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30 */ |
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31 |
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32 #include "tif_config.h" |
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33 |
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34 #include <stdio.h> |
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35 #include <string.h> |
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36 |
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37 #ifdef HAVE_UNISTD_H |
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38 # include <unistd.h> |
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39 #endif |
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40 |
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41 #include "tiffio.h" |
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42 |
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43 const char *filename = "ascii_test.tiff"; |
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44 |
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45 static struct Tags { |
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46 ttag_t tag; |
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47 const char *value; |
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48 } ascii_tags[] = { |
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49 { TIFFTAG_DOCUMENTNAME, "Test TIFF image" }, |
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50 { TIFFTAG_IMAGEDESCRIPTION, "Temporary test image" }, |
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51 { TIFFTAG_MAKE, "This is not scanned image" }, |
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52 { TIFFTAG_MODEL, "No scanner" }, |
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53 { TIFFTAG_PAGENAME, "Test page" }, |
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54 { TIFFTAG_SOFTWARE, "Libtiff library" }, |
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55 { TIFFTAG_DATETIME, "2004:09:10 16:09:00" }, |
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56 { TIFFTAG_ARTIST, "Andrey V. Kiselev" }, |
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57 { TIFFTAG_HOSTCOMPUTER, "Debian GNU/Linux (Sarge)" }, |
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58 { TIFFTAG_TARGETPRINTER, "No printer" }, |
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59 { TIFFTAG_PIXAR_TEXTUREFORMAT, "No texture" }, |
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60 { TIFFTAG_PIXAR_WRAPMODES, "No wrap" }, |
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61 { TIFFTAG_COPYRIGHT, "Copyright (c) 2004, Andrey Kiselev" } |
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62 }; |
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63 #define NTAGS (sizeof (ascii_tags) / sizeof (ascii_tags[0])) |
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64 |
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65 const char *ink_names = "Red\0Green\0Blue"; |
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66 const int ink_names_size = 15; |
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67 |
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68 int |
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69 main(int argc, char **argv) |
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70 { |
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71 TIFF *tif; |
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72 int i; |
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73 unsigned char buf[3] = { 0, 127, 255 }; |
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74 char *value; |
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75 |
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76 /* Test whether we can write tags. */ |
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77 tif = TIFFOpen(filename, "w"); |
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78 if (!tif) { |
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79 fprintf (stderr, "Can't create test TIFF file %s.\n", filename); |
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80 return 1; |
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81 } |
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82 |
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83 if (!TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, 1)) { |
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84 fprintf (stderr, "Can't set ImageWidth tag.\n"); |
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85 goto failure; |
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86 } |
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87 if (!TIFFSetField(tif, TIFFTAG_IMAGELENGTH, 1)) { |
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88 fprintf (stderr, "Can't set ImageLength tag.\n"); |
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89 goto failure; |
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90 } |
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91 if (!TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, 8)) { |
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92 fprintf (stderr, "Can't set BitsPerSample tag.\n"); |
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93 goto failure; |
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94 } |
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95 if (!TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3)) { |
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96 fprintf (stderr, "Can't set SamplesPerPixel tag.\n"); |
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97 goto failure; |
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98 } |
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99 if (!TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG)) { |
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100 fprintf (stderr, "Can't set PlanarConfiguration tag.\n"); |
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101 goto failure; |
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102 } |
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103 if (!TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB)) { |
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104 fprintf (stderr, "Can't set PhotometricInterpretation tag.\n"); |
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105 goto failure; |
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106 } |
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107 |
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108 for (i = 0; i < NTAGS; i++) { |
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109 if (!TIFFSetField(tif, ascii_tags[i].tag, |
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110 ascii_tags[i].value)) { |
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111 fprintf(stderr, "Can't set tag %d.\n", |
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112 (int)ascii_tags[i].tag); |
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113 goto failure; |
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114 } |
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115 } |
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116 |
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117 /* InkNames tag has special form, so we handle it separately. */ |
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118 if (!TIFFSetField(tif, TIFFTAG_NUMBEROFINKS, 3)) { |
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119 fprintf (stderr, "Can't set tag %d.\n", TIFFTAG_NUMBEROFINKS); |
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120 goto failure; |
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121 } |
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122 if (!TIFFSetField(tif, TIFFTAG_INKNAMES, ink_names_size, ink_names)) { |
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123 fprintf (stderr, "Can't set tag %d.\n", TIFFTAG_INKNAMES); |
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124 goto failure; |
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125 } |
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126 |
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127 /* Write dummy pixel data. */ |
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128 if (!TIFFWriteScanline(tif, buf, 0, 0) < 0) { |
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129 fprintf (stderr, "Can't write image data.\n"); |
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130 goto failure; |
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131 } |
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132 |
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133 TIFFClose(tif); |
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134 |
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135 /* Ok, now test whether we can read written values. */ |
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136 tif = TIFFOpen(filename, "r"); |
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137 if (!tif) { |
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138 fprintf (stderr, "Can't open test TIFF file %s.\n", filename); |
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139 return 1; |
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140 } |
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141 |
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142 for (i = 0; i < NTAGS; i++) { |
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143 if (!TIFFGetField(tif, ascii_tags[i].tag, &value) |
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144 || strcmp(value, ascii_tags[i].value)) { |
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145 fprintf(stderr, "Can't get tag %d.\n", |
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146 (int)ascii_tags[i].tag); |
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147 goto failure; |
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148 } |
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149 } |
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150 |
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151 if (!TIFFGetField(tif, TIFFTAG_INKNAMES, &value) |
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152 || memcmp(value, ink_names, ink_names_size)) { |
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153 fprintf (stderr, "Can't get tag %d.\n", TIFFTAG_INKNAMES); |
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154 goto failure; |
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155 } |
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156 |
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157 TIFFClose(tif); |
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158 |
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159 /* All tests passed; delete file and exit with success status. */ |
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160 unlink(filename); |
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161 return 0; |
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162 |
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163 failure: |
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164 /* Something goes wrong; close file and return unsuccessful status. */ |
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165 TIFFClose(tif); |
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166 unlink(filename); |
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167 return 1; |
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168 } |
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169 |
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170 /* vim: set ts=8 sts=8 sw=8 noet: */ |