projects / thirdparty / cups.git / blame
| Commit | Line | Data |
|---|---|---|
| ac884b6a MS |
1 | /* |
| 2 | * "$Id$" | |
| 3 | * | |
| 71e16022 | 4 | * Test the new RGB color separation code for CUPS. |
| ac884b6a | 5 | * |
| 71e16022 | 6 | * Copyright 2007-2010 by Apple Inc. |
| ac884b6a MS |
7 | * Copyright 1993-2006 by Easy Software Products, All Rights Reserved. |
| 8 | * | |
| 9 | * These coded instructions, statements, and computer programs are the | |
| 10 | * property of Apple Inc. and are protected by Federal copyright | |
| 11 | * law. Distribution and use rights are outlined in the file "LICENSE.txt" | |
| 12 | * which should have been included with this file. If this file is | |
| 13 | * file is missing or damaged, see the license at "http://www.cups.org/". | |
| 14 | * | |
| 15 | * Contents: | |
| 16 | * | |
| 17 | * main() - Do color rgb tests. | |
| 18 | * test_gray() - Test grayscale rgbs... | |
| 19 | * test_rgb() - Test color rgbs... | |
| 20 | */ | |
| 21 | ||
| 22 | /* | |
| 23 | * Include necessary headers. | |
| 24 | */ | |
| 25 | ||
| 71e16022 | 26 | #include <cups/string-private.h> |
| ac884b6a MS |
27 | #include "driver.h" |
| 28 | #include <sys/stat.h> | |
| 29 | ||
| 30 | #ifdef HAVE_LIBLCMS | |
| 31 | # include <lcms/lcms.h> | |
| 32 | #endif /* HAVE_LIBLCMS */ | |
| 33 | ||
| 34 | ||
| 35 | void test_gray(cups_sample_t *samples, int num_samples, | |
| 36 | int cube_size, int num_comps, const char *basename); | |
| 37 | void test_rgb(cups_sample_t *samples, int num_samples, | |
| 38 | int cube_size, int num_comps, | |
| 39 | const char *basename); | |
| 40 | ||
| 41 | ||
| 42 | /* | |
| 43 | * 'main()' - Do color rgb tests. | |
| 44 | */ | |
| 45 | ||
| 46 | int /* O - Exit status */ | |
| 47 | main(int argc, /* I - Number of command-line arguments */ | |
| 48 | char *argv[]) /* I - Command-line arguments */ | |
| 49 | { | |
| 50 | static cups_sample_t CMYK[] = /* Basic 4-color sep */ | |
| 51 | { | |
| 52 | /*{ r, g, b }, { C, M, Y, K }*/ | |
| 53 | { { 0, 0, 0 }, { 0, 0, 0, 255 } }, | |
| 54 | { { 255, 0, 0 }, { 0, 255, 240, 0 } }, | |
| 55 | { { 0, 255, 0 }, { 200, 0, 200, 0 } }, | |
| 56 | { { 255, 255, 0 }, { 0, 0, 240, 0 } }, | |
| 57 | { { 0, 0, 255 }, { 200, 200, 0, 0 } }, | |
| 58 | { { 255, 0, 255 }, { 0, 200, 0, 0 } }, | |
| 59 | { { 0, 255, 255 }, { 200, 0, 0, 0 } }, | |
| 60 | { { 255, 255, 255 }, { 0, 0, 0, 0 } } | |
| 61 | }; | |
| 62 | ||
| 63 | ||
| 64 | /* | |
| 65 | * Make the test directory... | |
| 66 | */ | |
| 67 | ||
| 68 | mkdir("test", 0755); | |
| 69 | ||
| 70 | /* | |
| 71 | * Run tests for CMYK and CMYK separations... | |
| 72 | */ | |
| 73 | ||
| 74 | test_rgb(CMYK, 8, 2, 4, "test/rgb-cmyk"); | |
| 75 | ||
| 76 | test_gray(CMYK, 8, 2, 4, "test/gray-cmyk"); | |
| 77 | ||
| 78 | /* | |
| 79 | * Return with no errors... | |
| 80 | */ | |
| 81 | ||
| 82 | return (0); | |
| 83 | } | |
| 84 | ||
| 85 | ||
| 86 | /* | |
| 87 | * 'test_gray()' - Test grayscale rgbs... | |
| 88 | */ | |
| 89 | ||
| 90 | void | |
| 91 | test_gray(cups_sample_t *samples, /* I - Sample values */ | |
| 92 | int num_samples, /* I - Number of samples */ | |
| 93 | int cube_size, /* I - Cube size */ | |
| 94 | int num_comps, /* I - Number of components */ | |
| 95 | const char *basename) /* I - Base filename of output */ | |
| 96 | { | |
| 97 | int i; /* Looping var */ | |
| 98 | char filename[255]; /* Output filename */ | |
| 99 | char line[255]; /* Line from PPM file */ | |
| 100 | int width, height; /* Width and height of test image */ | |
| 101 | int x, y; /* Current coordinate in image */ | |
| 102 | int r, g, b; /* Current RGB color */ | |
| 103 | unsigned char input[7000]; /* Line to rgbarate */ | |
| 104 | unsigned char output[48000], /* Output rgb data */ | |
| 105 | *outptr; /* Pointer in output */ | |
| 106 | FILE *in; /* Input PPM file */ | |
| 107 | FILE *out[CUPS_MAX_CHAN]; | |
| 108 | /* Output PGM files */ | |
| 109 | FILE *comp; /* Composite output */ | |
| 110 | cups_rgb_t *rgb; /* Color separation */ | |
| 111 | ||
| 112 | ||
| 113 | /* | |
| 114 | * Open the test image... | |
| 115 | */ | |
| 116 | ||
| 117 | in = fopen("image.pgm", "rb"); | |
| 118 | while (fgets(line, sizeof(line), in) != NULL) | |
| 119 | if (isdigit(line[0])) | |
| 120 | break; | |
| 121 | ||
| 122 | sscanf(line, "%d%d", &width, &height); | |
| 123 | ||
| 124 | fgets(line, sizeof(line), in); | |
| 125 | ||
| 126 | /* | |
| 127 | * Create the color rgb... | |
| 128 | */ | |
| 129 | ||
| 130 | rgb = cupsRGBNew(num_samples, samples, cube_size, num_comps); | |
| 131 | ||
| 132 | /* | |
| 133 | * Open the color rgb files... | |
| 134 | */ | |
| 135 | ||
| 136 | for (i = 0; i < num_comps; i ++) | |
| 137 | { | |
| 138 | sprintf(filename, "%s%d.pgm", basename, i); | |
| 139 | out[i] = fopen(filename, "wb"); | |
| 140 | ||
| 141 | fprintf(out[i], "P5\n%d %d 255\n", width, height); | |
| 142 | } | |
| 143 | ||
| 144 | sprintf(filename, "%s.ppm", basename); | |
| 145 | comp = fopen(filename, "wb"); | |
| 146 | ||
| 147 | fprintf(comp, "P6\n%d %d 255\n", width, height); | |
| 148 | ||
| 149 | /* | |
| 150 | * Read the image and do the rgbs... | |
| 151 | */ | |
| 152 | ||
| 153 | for (y = 0; y < height; y ++) | |
| 154 | { | |
| 155 | fread(input, width, 1, in); | |
| 156 | ||
| 157 | cupsRGBDoGray(rgb, input, output, width); | |
| 158 | ||
| 159 | for (x = 0, outptr = output; x < width; x ++, outptr += num_comps) | |
| 160 | { | |
| 161 | for (i = 0; i < num_comps; i ++) | |
| 162 | putc(255 - outptr[i], out[i]); | |
| 163 | ||
| 164 | r = 255; | |
| 165 | g = 255; | |
| 166 | b = 255; | |
| 167 | ||
| 168 | r -= outptr[0]; | |
| 169 | g -= outptr[1]; | |
| 170 | b -= outptr[2]; | |
| 171 | ||
| 172 | r -= outptr[3]; | |
| 173 | g -= outptr[3]; | |
| 174 | b -= outptr[3]; | |
| 175 | ||
| 176 | if (num_comps > 4) | |
| 177 | { | |
| 178 | r -= outptr[4] / 2; | |
| 179 | g -= outptr[5] / 2; | |
| 180 | } | |
| 181 | ||
| 182 | if (num_comps > 6) | |
| 183 | { | |
| 184 | r -= outptr[6] / 2; | |
| 185 | g -= outptr[6] / 2; | |
| 186 | b -= outptr[6] / 2; | |
| 187 | } | |
| 188 | ||
| 189 | if (r < 0) | |
| 190 | putc(0, comp); | |
| 191 | else | |
| 192 | putc(r, comp); | |
| 193 | ||
| 194 | if (g < 0) | |
| 195 | putc(0, comp); | |
| 196 | else | |
| 197 | putc(g, comp); | |
| 198 | ||
| 199 | if (b < 0) | |
| 200 | putc(0, comp); | |
| 201 | else | |
| 202 | putc(b, comp); | |
| 203 | } | |
| 204 | } | |
| 205 | ||
| 206 | for (i = 0; i < num_comps; i ++) | |
| 207 | fclose(out[i]); | |
| 208 | ||
| 209 | fclose(comp); | |
| 210 | fclose(in); | |
| 211 | ||
| 212 | cupsRGBDelete(rgb); | |
| 213 | } | |
| 214 | ||
| 215 | ||
| 216 | /* | |
| 217 | * 'test_rgb()' - Test color rgbs... | |
| 218 | */ | |
| 219 | ||
| 220 | void | |
| 221 | test_rgb(cups_sample_t *samples, /* I - Sample values */ | |
| 222 | int num_samples, /* I - Number of samples */ | |
| 223 | int cube_size, /* I - Cube size */ | |
| 224 | int num_comps, /* I - Number of components */ | |
| 225 | const char *basename) /* I - Base filename of output */ | |
| 226 | { | |
| 227 | int i; /* Looping var */ | |
| 228 | char filename[255]; /* Output filename */ | |
| 229 | char line[255]; /* Line from PPM file */ | |
| 230 | int width, height; /* Width and height of test image */ | |
| 231 | int x, y; /* Current coordinate in image */ | |
| 232 | int r, g, b; /* Current RGB color */ | |
| 233 | unsigned char input[7000]; /* Line to rgbarate */ | |
| 234 | unsigned char output[48000], /* Output rgb data */ | |
| 235 | *outptr; /* Pointer in output */ | |
| 236 | FILE *in; /* Input PPM file */ | |
| 237 | FILE *out[CUPS_MAX_CHAN]; | |
| 238 | /* Output PGM files */ | |
| 239 | FILE *comp; /* Composite output */ | |
| 240 | cups_rgb_t *rgb; /* Color separation */ | |
| 241 | ||
| 242 | ||
| 243 | /* | |
| 244 | * Open the test image... | |
| 245 | */ | |
| 246 | ||
| 247 | in = fopen("image.ppm", "rb"); | |
| 248 | while (fgets(line, sizeof(line), in) != NULL) | |
| 249 | if (isdigit(line[0])) | |
| 250 | break; | |
| 251 | ||
| 252 | sscanf(line, "%d%d", &width, &height); | |
| 253 | ||
| 254 | fgets(line, sizeof(line), in); | |
| 255 | ||
| 256 | /* | |
| 257 | * Create the color rgb... | |
| 258 | */ | |
| 259 | ||
| 260 | rgb = cupsRGBNew(num_samples, samples, cube_size, num_comps); | |
| 261 | ||
| 262 | /* | |
| 263 | * Open the color rgb files... | |
| 264 | */ | |
| 265 | ||
| 266 | for (i = 0; i < num_comps; i ++) | |
| 267 | { | |
| 268 | sprintf(filename, "%s%d.pgm", basename, i); | |
| 269 | out[i] = fopen(filename, "wb"); | |
| 270 | ||
| 271 | fprintf(out[i], "P5\n%d %d 255\n", width, height); | |
| 272 | } | |
| 273 | ||
| 274 | sprintf(filename, "%s.ppm", basename); | |
| 275 | comp = fopen(filename, "wb"); | |
| 276 | ||
| 277 | fprintf(comp, "P6\n%d %d 255\n", width, height); | |
| 278 | ||
| 279 | /* | |
| 280 | * Read the image and do the rgbs... | |
| 281 | */ | |
| 282 | ||
| 283 | for (y = 0; y < height; y ++) | |
| 284 | { | |
| 285 | fread(input, width, 3, in); | |
| 286 | ||
| 287 | cupsRGBDoRGB(rgb, input, output, width); | |
| 288 | ||
| 289 | for (x = 0, outptr = output; x < width; x ++, outptr += num_comps) | |
| 290 | { | |
| 291 | for (i = 0; i < num_comps; i ++) | |
| 292 | putc(255 - outptr[i], out[i]); | |
| 293 | ||
| 294 | r = 255; | |
| 295 | g = 255; | |
| 296 | b = 255; | |
| 297 | ||
| 298 | r -= outptr[0]; | |
| 299 | g -= outptr[1]; | |
| 300 | b -= outptr[2]; | |
| 301 | ||
| 302 | r -= outptr[3]; | |
| 303 | g -= outptr[3]; | |
| 304 | b -= outptr[3]; | |
| 305 | ||
| 306 | if (num_comps > 4) | |
| 307 | { | |
| 308 | r -= outptr[4] / 2; | |
| 309 | g -= outptr[5] / 2; | |
| 310 | } | |
| 311 | ||
| 312 | if (num_comps > 6) | |
| 313 | { | |
| 314 | r -= outptr[6] / 2; | |
| 315 | g -= outptr[6] / 2; | |
| 316 | b -= outptr[6] / 2; | |
| 317 | } | |
| 318 | ||
| 319 | if (r < 0) | |
| 320 | putc(0, comp); | |
| 321 | else | |
| 322 | putc(r, comp); | |
| 323 | ||
| 324 | if (g < 0) | |
| 325 | putc(0, comp); | |
| 326 | else | |
| 327 | putc(g, comp); | |
| 328 | ||
| 329 | if (b < 0) | |
| 330 | putc(0, comp); | |
| 331 | else | |
| 332 | putc(b, comp); | |
| 333 | } | |
| 334 | } | |
| 335 | ||
| 336 | for (i = 0; i < num_comps; i ++) | |
| 337 | fclose(out[i]); | |
| 338 | ||
| 339 | fclose(comp); | |
| 340 | fclose(in); | |
| 341 | ||
| 342 | cupsRGBDelete(rgb); | |
| 343 | } | |
| 344 | ||
| 345 | ||
| 346 | /* | |
| 347 | * End of "$Id$". | |
| 348 | */ |