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ef416fc2 | 1 | /* |
75bd9771 | 2 | * "$Id: imagetoraster.c 7306 2008-02-15 00:52:38Z mike $" |
ef416fc2 | 3 | * |
4 | * Image file to raster filter for the Common UNIX Printing System (CUPS). | |
5 | * | |
bc44d920 | 6 | * Copyright 2007 by Apple Inc. |
c0e1af83 | 7 | * Copyright 1993-2007 by Easy Software Products. |
ef416fc2 | 8 | * |
9 | * These coded instructions, statements, and computer programs are the | |
bc44d920 | 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/". | |
ef416fc2 | 14 | * |
15 | * This file is subject to the Apple OS-Developed Software exception. | |
16 | * | |
17 | * Contents: | |
18 | * | |
19 | * main() - Main entry... | |
f301802f | 20 | * blank_line() - Clear a line buffer to the blank value... |
ef416fc2 | 21 | * format_CMY() - Convert image data to CMY. |
22 | * format_CMYK() - Convert image data to CMYK. | |
23 | * format_K() - Convert image data to black. | |
24 | * format_KCMY() - Convert image data to KCMY. | |
25 | * format_KCMYcm() - Convert image data to KCMYcm. | |
26 | * format_RGBA() - Convert image data to RGBA/RGBW. | |
27 | * format_W() - Convert image data to luminance. | |
28 | * format_YMC() - Convert image data to YMC. | |
29 | * format_YMCK() - Convert image data to YMCK. | |
30 | * make_lut() - Make a lookup table given gamma and brightness values. | |
a74454a7 | 31 | * raster_cb() - Validate the page header. |
ef416fc2 | 32 | */ |
33 | ||
34 | /* | |
35 | * Include necessary headers... | |
36 | */ | |
37 | ||
38 | #include "common.h" | |
39 | #include "image-private.h" | |
ef416fc2 | 40 | #include <unistd.h> |
41 | #include <math.h> | |
c0e1af83 | 42 | #include <cups/i18n.h> |
ef416fc2 | 43 | |
44 | ||
45 | /* | |
46 | * Globals... | |
47 | */ | |
48 | ||
49 | int Flip = 0, /* Flip/mirror pages */ | |
50 | XPosition = 0, /* Horizontal position on page */ | |
51 | YPosition = 0, /* Vertical position on page */ | |
52 | Collate = 0, /* Collate copies? */ | |
53 | Copies = 1; /* Number of copies */ | |
f301802f | 54 | int Floyd16x16[16][16] = /* Traditional Floyd ordered dither */ |
ef416fc2 | 55 | { |
56 | { 0, 128, 32, 160, 8, 136, 40, 168, | |
57 | 2, 130, 34, 162, 10, 138, 42, 170 }, | |
58 | { 192, 64, 224, 96, 200, 72, 232, 104, | |
59 | 194, 66, 226, 98, 202, 74, 234, 106 }, | |
60 | { 48, 176, 16, 144, 56, 184, 24, 152, | |
61 | 50, 178, 18, 146, 58, 186, 26, 154 }, | |
62 | { 240, 112, 208, 80, 248, 120, 216, 88, | |
63 | 242, 114, 210, 82, 250, 122, 218, 90 }, | |
64 | { 12, 140, 44, 172, 4, 132, 36, 164, | |
65 | 14, 142, 46, 174, 6, 134, 38, 166 }, | |
66 | { 204, 76, 236, 108, 196, 68, 228, 100, | |
67 | 206, 78, 238, 110, 198, 70, 230, 102 }, | |
68 | { 60, 188, 28, 156, 52, 180, 20, 148, | |
69 | 62, 190, 30, 158, 54, 182, 22, 150 }, | |
70 | { 252, 124, 220, 92, 244, 116, 212, 84, | |
71 | 254, 126, 222, 94, 246, 118, 214, 86 }, | |
72 | { 3, 131, 35, 163, 11, 139, 43, 171, | |
73 | 1, 129, 33, 161, 9, 137, 41, 169 }, | |
74 | { 195, 67, 227, 99, 203, 75, 235, 107, | |
75 | 193, 65, 225, 97, 201, 73, 233, 105 }, | |
76 | { 51, 179, 19, 147, 59, 187, 27, 155, | |
77 | 49, 177, 17, 145, 57, 185, 25, 153 }, | |
78 | { 243, 115, 211, 83, 251, 123, 219, 91, | |
79 | 241, 113, 209, 81, 249, 121, 217, 89 }, | |
80 | { 15, 143, 47, 175, 7, 135, 39, 167, | |
81 | 13, 141, 45, 173, 5, 133, 37, 165 }, | |
82 | { 207, 79, 239, 111, 199, 71, 231, 103, | |
83 | 205, 77, 237, 109, 197, 69, 229, 101 }, | |
84 | { 63, 191, 31, 159, 55, 183, 23, 151, | |
85 | 61, 189, 29, 157, 53, 181, 21, 149 }, | |
86 | { 254, 127, 223, 95, 247, 119, 215, 87, | |
87 | 253, 125, 221, 93, 245, 117, 213, 85 } | |
88 | }; | |
89 | int Floyd8x8[8][8] = | |
90 | { | |
91 | { 0, 32, 8, 40, 2, 34, 10, 42 }, | |
92 | { 48, 16, 56, 24, 50, 18, 58, 26 }, | |
93 | { 12, 44, 4, 36, 14, 46, 6, 38 }, | |
94 | { 60, 28, 52, 20, 62, 30, 54, 22 }, | |
95 | { 3, 35, 11, 43, 1, 33, 9, 41 }, | |
96 | { 51, 19, 59, 27, 49, 17, 57, 25 }, | |
97 | { 15, 47, 7, 39, 13, 45, 5, 37 }, | |
98 | { 63, 31, 55, 23, 61, 29, 53, 21 } | |
99 | }; | |
100 | int Floyd4x4[4][4] = | |
101 | { | |
102 | { 0, 8, 2, 10 }, | |
103 | { 12, 4, 14, 6 }, | |
104 | { 3, 11, 1, 9 }, | |
105 | { 15, 7, 13, 5 } | |
106 | }; | |
107 | ||
108 | cups_ib_t OnPixels[256], /* On-pixel LUT */ | |
109 | OffPixels[256]; /* Off-pixel LUT */ | |
ef416fc2 | 110 | |
111 | ||
112 | /* | |
113 | * Local functions... | |
114 | */ | |
f301802f | 115 | |
116 | static void blank_line(cups_page_header2_t *header, unsigned char *row); | |
ef416fc2 | 117 | static void format_CMY(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1); |
118 | static void format_CMYK(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1); | |
119 | static void format_K(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1); | |
120 | static void format_KCMYcm(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1); | |
121 | static void format_KCMY(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1); | |
122 | #define format_RGB format_CMY | |
123 | static void format_RGBA(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1); | |
124 | static void format_W(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1); | |
125 | static void format_YMC(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1); | |
126 | static void format_YMCK(cups_page_header2_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, cups_ib_t *r0, cups_ib_t *r1); | |
127 | static void make_lut(cups_ib_t *, int, float, float); | |
a74454a7 | 128 | static int raster_cb(cups_page_header2_t *header, int preferred_bits); |
ef416fc2 | 129 | |
130 | ||
131 | /* | |
132 | * 'main()' - Main entry... | |
133 | */ | |
134 | ||
135 | int /* O - Exit status */ | |
136 | main(int argc, /* I - Number of command-line arguments */ | |
137 | char *argv[]) /* I - Command-line arguments */ | |
138 | { | |
139 | int i; /* Looping var */ | |
140 | cups_image_t *img; /* Image to print */ | |
141 | float xprint, /* Printable area */ | |
142 | yprint, | |
143 | xinches, /* Total size in inches */ | |
144 | yinches; | |
145 | float xsize, /* Total size in points */ | |
146 | ysize, | |
147 | xsize2, | |
148 | ysize2; | |
149 | float aspect; /* Aspect ratio */ | |
150 | int xpages, /* # x pages */ | |
151 | ypages, /* # y pages */ | |
152 | xpage, /* Current x page */ | |
153 | ypage, /* Current y page */ | |
154 | xtemp, /* Bitmap width in pixels */ | |
155 | ytemp, /* Bitmap height in pixels */ | |
156 | page; /* Current page number */ | |
a74454a7 | 157 | int xc0, yc0, /* Corners of the page in image coords */ |
bd7854cb | 158 | xc1, yc1; |
ef416fc2 | 159 | ppd_file_t *ppd; /* PPD file */ |
a74454a7 | 160 | ppd_choice_t *choice; /* PPD option choice */ |
ef416fc2 | 161 | char *resolution, /* Output resolution */ |
162 | *media_type; /* Media type */ | |
163 | ppd_profile_t *profile; /* Color profile */ | |
164 | ppd_profile_t userprofile; /* User-specified profile */ | |
165 | cups_raster_t *ras; /* Raster stream */ | |
166 | cups_page_header2_t header; /* Page header */ | |
167 | int num_options; /* Number of print options */ | |
168 | cups_option_t *options; /* Print options */ | |
169 | const char *val; /* Option value */ | |
170 | int slowcollate, /* Collate copies the slow way */ | |
171 | slowcopies; /* Make copies the "slow" way? */ | |
172 | float g; /* Gamma correction value */ | |
173 | float b; /* Brightness factor */ | |
174 | float zoom; /* Zoom facter */ | |
175 | int xppi, yppi; /* Pixels-per-inch */ | |
176 | int hue, sat; /* Hue and saturation adjustment */ | |
177 | cups_izoom_t *z; /* Image zoom buffer */ | |
178 | cups_iztype_t zoom_type; /* Image zoom type */ | |
179 | int primary, /* Primary image colorspace */ | |
180 | secondary; /* Secondary image colorspace */ | |
181 | cups_ib_t *row, /* Current row */ | |
182 | *r0, /* Top row */ | |
183 | *r1; /* Bottom row */ | |
184 | int y, /* Current Y coordinate on page */ | |
185 | iy, /* Current Y coordinate in image */ | |
186 | last_iy, /* Previous Y coordinate in image */ | |
187 | yerr0, /* Top Y error value */ | |
f301802f | 188 | yerr1; /* Bottom Y error value */ |
ef416fc2 | 189 | cups_ib_t lut[256]; /* Gamma/brightness LUT */ |
190 | int plane, /* Current color plane */ | |
191 | num_planes; /* Number of color planes */ | |
192 | char filename[1024]; /* Name of file to print */ | |
193 | ||
194 | ||
195 | /* | |
196 | * Make sure status messages are not buffered... | |
197 | */ | |
198 | ||
199 | setbuf(stderr, NULL); | |
200 | ||
201 | /* | |
202 | * Check command-line... | |
203 | */ | |
204 | ||
205 | if (argc < 6 || argc > 7) | |
206 | { | |
c0e1af83 | 207 | fprintf(stderr, _("Usage: %s job-id user title copies options [file]\n"), |
208 | argv[0]); | |
ef416fc2 | 209 | return (1); |
210 | } | |
211 | ||
ef416fc2 | 212 | /* |
213 | * See if we need to use the imagetops and pstoraster filters instead... | |
214 | */ | |
215 | ||
216 | options = NULL; | |
217 | num_options = cupsParseOptions(argv[5], 0, &options); | |
218 | ||
219 | if (getenv("CLASSIFICATION") || | |
220 | cupsGetOption("page-label", num_options, options)) | |
221 | { | |
222 | /* | |
223 | * Yes, fork a copy of pstoraster and then transfer control to imagetops... | |
224 | */ | |
225 | ||
226 | int mypipes[2]; /* New pipes for imagetops | pstoraster */ | |
227 | int pid; /* PID of pstoraster */ | |
228 | ||
229 | ||
230 | cupsFreeOptions(num_options, options); | |
231 | ||
232 | if (pipe(mypipes)) | |
233 | { | |
234 | perror("ERROR: Unable to create pipes for imagetops | pstoraster"); | |
235 | return (errno); | |
236 | } | |
237 | ||
238 | if ((pid = fork()) == 0) | |
239 | { | |
240 | /* | |
241 | * Child process for pstoraster... Assign new pipe input to pstoraster... | |
242 | */ | |
243 | ||
244 | close(0); | |
245 | dup(mypipes[0]); | |
246 | close(mypipes[0]); | |
247 | close(mypipes[1]); | |
248 | ||
249 | execlp("pstoraster", argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], | |
250 | NULL); | |
251 | perror("ERROR: Unable to exec pstoraster"); | |
252 | return (errno); | |
253 | } | |
254 | else if (pid < 0) | |
255 | { | |
256 | /* | |
257 | * Error! | |
258 | */ | |
259 | ||
260 | perror("ERROR: Unable to fork pstoraster"); | |
261 | return (errno); | |
262 | } | |
263 | ||
264 | /* | |
265 | * Update stdout so it points at the new pstoraster... | |
266 | */ | |
267 | ||
268 | close(1); | |
269 | dup(mypipes[1]); | |
270 | close(mypipes[0]); | |
271 | close(mypipes[1]); | |
272 | ||
273 | /* | |
274 | * Run imagetops to get the classification or page labelling that was | |
275 | * requested... | |
276 | */ | |
277 | ||
278 | execlp("imagetops", argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], | |
279 | argv[6], NULL); | |
280 | perror("ERROR: Unable to exec imagetops"); | |
281 | return (errno); | |
282 | } | |
283 | ||
284 | /* | |
285 | * Copy stdin as needed... | |
286 | */ | |
287 | ||
288 | if (argc == 6) | |
289 | { | |
290 | int fd; /* File to write to */ | |
291 | char buffer[8192]; /* Buffer to read into */ | |
292 | int bytes; /* # of bytes to read */ | |
293 | ||
294 | ||
295 | if ((fd = cupsTempFd(filename, sizeof(filename))) < 0) | |
296 | { | |
297 | perror("ERROR: Unable to copy image file"); | |
298 | return (1); | |
299 | } | |
300 | ||
301 | fprintf(stderr, "DEBUG: imagetoraster - copying to temp print file \"%s\"\n", | |
302 | filename); | |
303 | ||
304 | while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0) | |
305 | write(fd, buffer, bytes); | |
306 | ||
307 | close(fd); | |
308 | } | |
309 | else | |
310 | strlcpy(filename, argv[6], sizeof(filename)); | |
311 | ||
312 | /* | |
313 | * Process command-line options and write the prolog... | |
314 | */ | |
315 | ||
316 | zoom = 0.0; | |
317 | xppi = 0; | |
318 | yppi = 0; | |
319 | hue = 0; | |
320 | sat = 100; | |
321 | g = 1.0; | |
322 | b = 1.0; | |
323 | ||
324 | Copies = atoi(argv[4]); | |
325 | ||
326 | ppd = SetCommonOptions(num_options, options, 0); | |
327 | ||
328 | if ((val = cupsGetOption("multiple-document-handling", num_options, options)) != NULL) | |
329 | { | |
330 | /* | |
331 | * This IPP attribute is unnecessarily complicated... | |
332 | * | |
333 | * single-document, separate-documents-collated-copies, and | |
334 | * single-document-new-sheet all require collated copies. | |
335 | * | |
336 | * separate-documents-collated-copies allows for uncollated copies. | |
337 | */ | |
338 | ||
339 | Collate = strcasecmp(val, "separate-documents-collated-copies") != 0; | |
340 | } | |
341 | ||
342 | if ((val = cupsGetOption("Collate", num_options, options)) != NULL && | |
343 | strcasecmp(val, "True") == 0) | |
344 | Collate = 1; | |
345 | ||
346 | if ((val = cupsGetOption("gamma", num_options, options)) != NULL) | |
bd7854cb | 347 | { |
348 | /* | |
349 | * Get gamma value from 1 to 10000... | |
350 | */ | |
351 | ||
ef416fc2 | 352 | g = atoi(val) * 0.001f; |
353 | ||
bd7854cb | 354 | if (g < 0.001f) |
355 | g = 0.001f; | |
356 | else if (g > 10.0f) | |
357 | g = 10.0f; | |
358 | } | |
359 | ||
ef416fc2 | 360 | if ((val = cupsGetOption("brightness", num_options, options)) != NULL) |
bd7854cb | 361 | { |
362 | /* | |
363 | * Get brightness value from 10 to 1000. | |
364 | */ | |
365 | ||
ef416fc2 | 366 | b = atoi(val) * 0.01f; |
367 | ||
bd7854cb | 368 | if (b < 0.1f) |
369 | b = 0.1f; | |
370 | else if (b > 10.0f) | |
371 | b = 10.0f; | |
372 | } | |
373 | ||
ef416fc2 | 374 | if ((val = cupsGetOption("scaling", num_options, options)) != NULL) |
375 | zoom = atoi(val) * 0.01; | |
bd7854cb | 376 | else if (cupsGetOption("fitplot", num_options, options)) |
377 | zoom = 1.0; | |
ef416fc2 | 378 | |
379 | if ((val = cupsGetOption("ppi", num_options, options)) != NULL) | |
380 | if (sscanf(val, "%dx%d", &xppi, &yppi) < 2) | |
381 | yppi = xppi; | |
382 | ||
383 | if ((val = cupsGetOption("position", num_options, options)) != NULL) | |
384 | { | |
385 | if (strcasecmp(val, "center") == 0) | |
386 | { | |
387 | XPosition = 0; | |
388 | YPosition = 0; | |
389 | } | |
390 | else if (strcasecmp(val, "top") == 0) | |
391 | { | |
392 | XPosition = 0; | |
393 | YPosition = 1; | |
394 | } | |
395 | else if (strcasecmp(val, "left") == 0) | |
396 | { | |
397 | XPosition = -1; | |
398 | YPosition = 0; | |
399 | } | |
400 | else if (strcasecmp(val, "right") == 0) | |
401 | { | |
402 | XPosition = 1; | |
403 | YPosition = 0; | |
404 | } | |
405 | else if (strcasecmp(val, "top-left") == 0) | |
406 | { | |
407 | XPosition = -1; | |
408 | YPosition = 1; | |
409 | } | |
410 | else if (strcasecmp(val, "top-right") == 0) | |
411 | { | |
412 | XPosition = 1; | |
413 | YPosition = 1; | |
414 | } | |
415 | else if (strcasecmp(val, "bottom") == 0) | |
416 | { | |
417 | XPosition = 0; | |
418 | YPosition = -1; | |
419 | } | |
420 | else if (strcasecmp(val, "bottom-left") == 0) | |
421 | { | |
422 | XPosition = -1; | |
423 | YPosition = -1; | |
424 | } | |
425 | else if (strcasecmp(val, "bottom-right") == 0) | |
426 | { | |
427 | XPosition = 1; | |
428 | YPosition = -1; | |
429 | } | |
430 | } | |
431 | ||
432 | if ((val = cupsGetOption("saturation", num_options, options)) != NULL) | |
433 | sat = atoi(val); | |
434 | ||
435 | if ((val = cupsGetOption("hue", num_options, options)) != NULL) | |
436 | hue = atoi(val); | |
437 | ||
09a101d6 | 438 | if ((choice = ppdFindMarkedChoice(ppd, "MirrorPrint")) != NULL) |
439 | { | |
440 | val = choice->choice; | |
441 | choice->marked = 0; | |
442 | } | |
443 | else | |
444 | val = cupsGetOption("mirror", num_options, options); | |
445 | ||
446 | if (val && (!strcasecmp(val, "true") || !strcasecmp(val, "on") || | |
447 | !strcasecmp(val, "yes"))) | |
ef416fc2 | 448 | Flip = 1; |
449 | ||
450 | /* | |
451 | * Set the needed options in the page header... | |
452 | */ | |
453 | ||
a74454a7 | 454 | if (cupsRasterInterpretPPD(&header, ppd, num_options, options, raster_cb)) |
455 | { | |
c0e1af83 | 456 | fputs(_("ERROR: Bad page setup!\n"), stderr); |
457 | fprintf(stderr, "DEBUG: %s\n", cupsRasterErrorString()); | |
a74454a7 | 458 | return (1); |
459 | } | |
ef416fc2 | 460 | |
461 | /* | |
462 | * Get the media type and resolution that have been chosen... | |
463 | */ | |
464 | ||
465 | if ((choice = ppdFindMarkedChoice(ppd, "MediaType")) != NULL) | |
466 | media_type = choice->choice; | |
467 | else | |
468 | media_type = ""; | |
469 | ||
470 | if ((choice = ppdFindMarkedChoice(ppd, "Resolution")) != NULL) | |
471 | resolution = choice->choice; | |
472 | else | |
473 | resolution = ""; | |
474 | ||
475 | /* | |
476 | * Choose the appropriate colorspace... | |
477 | */ | |
478 | ||
479 | switch (header.cupsColorSpace) | |
480 | { | |
481 | case CUPS_CSPACE_W : | |
f301802f | 482 | if (header.cupsBitsPerColor >= 8) |
483 | { | |
484 | primary = CUPS_IMAGE_WHITE; | |
485 | secondary = CUPS_IMAGE_WHITE; | |
486 | } | |
487 | else | |
488 | { | |
489 | primary = CUPS_IMAGE_BLACK; | |
490 | secondary = CUPS_IMAGE_BLACK; | |
491 | } | |
ef416fc2 | 492 | break; |
493 | ||
494 | default : | |
495 | case CUPS_CSPACE_RGB : | |
496 | case CUPS_CSPACE_RGBA : | |
497 | case CUPS_CSPACE_RGBW : | |
f301802f | 498 | if (header.cupsBitsPerColor >= 8) |
499 | { | |
500 | primary = CUPS_IMAGE_RGB; | |
501 | secondary = CUPS_IMAGE_RGB; | |
502 | } | |
503 | else | |
504 | { | |
505 | primary = CUPS_IMAGE_CMY; | |
506 | secondary = CUPS_IMAGE_CMY; | |
507 | } | |
ef416fc2 | 508 | break; |
509 | ||
510 | case CUPS_CSPACE_K : | |
511 | case CUPS_CSPACE_WHITE : | |
512 | case CUPS_CSPACE_GOLD : | |
513 | case CUPS_CSPACE_SILVER : | |
514 | primary = CUPS_IMAGE_BLACK; | |
515 | secondary = CUPS_IMAGE_BLACK; | |
ef416fc2 | 516 | break; |
517 | ||
518 | case CUPS_CSPACE_CMYK : | |
519 | case CUPS_CSPACE_YMCK : | |
520 | case CUPS_CSPACE_KCMY : | |
f301802f | 521 | case CUPS_CSPACE_KCMYcm : |
ef416fc2 | 522 | case CUPS_CSPACE_GMCK : |
523 | case CUPS_CSPACE_GMCS : | |
f301802f | 524 | if (header.cupsBitsPerColor == 1) |
ef416fc2 | 525 | { |
526 | primary = CUPS_IMAGE_CMY; | |
527 | secondary = CUPS_IMAGE_CMY; | |
ef416fc2 | 528 | } |
529 | else | |
530 | { | |
531 | primary = CUPS_IMAGE_CMYK; | |
532 | secondary = CUPS_IMAGE_CMYK; | |
ef416fc2 | 533 | } |
534 | break; | |
f301802f | 535 | |
536 | case CUPS_CSPACE_CMY : | |
537 | case CUPS_CSPACE_YMC : | |
538 | primary = CUPS_IMAGE_CMY; | |
539 | secondary = CUPS_IMAGE_CMY; | |
540 | break; | |
541 | break; | |
ef416fc2 | 542 | } |
543 | ||
544 | /* | |
545 | * Find a color profile matching the current options... | |
546 | */ | |
547 | ||
548 | if ((val = cupsGetOption("profile", num_options, options)) != NULL) | |
549 | { | |
550 | profile = &userprofile; | |
551 | sscanf(val, "%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f", | |
552 | &(userprofile.density), &(userprofile.gamma), | |
553 | userprofile.matrix[0] + 0, userprofile.matrix[0] + 1, | |
554 | userprofile.matrix[0] + 2, | |
555 | userprofile.matrix[1] + 0, userprofile.matrix[1] + 1, | |
556 | userprofile.matrix[1] + 2, | |
557 | userprofile.matrix[2] + 0, userprofile.matrix[2] + 1, | |
558 | userprofile.matrix[2] + 2); | |
559 | ||
560 | userprofile.density *= 0.001f; | |
561 | userprofile.gamma *= 0.001f; | |
562 | userprofile.matrix[0][0] *= 0.001f; | |
563 | userprofile.matrix[0][1] *= 0.001f; | |
564 | userprofile.matrix[0][2] *= 0.001f; | |
565 | userprofile.matrix[1][0] *= 0.001f; | |
566 | userprofile.matrix[1][1] *= 0.001f; | |
567 | userprofile.matrix[1][2] *= 0.001f; | |
568 | userprofile.matrix[2][0] *= 0.001f; | |
569 | userprofile.matrix[2][1] *= 0.001f; | |
570 | userprofile.matrix[2][2] *= 0.001f; | |
571 | } | |
572 | else if (ppd != NULL) | |
573 | { | |
574 | fprintf(stderr, "DEBUG: Searching for profile \"%s/%s\"...\n", | |
575 | resolution, media_type); | |
576 | ||
577 | for (i = 0, profile = ppd->profiles; i < ppd->num_profiles; i ++, profile ++) | |
578 | { | |
579 | fprintf(stderr, "DEBUG: \"%s/%s\" = ", profile->resolution, | |
580 | profile->media_type); | |
581 | ||
582 | if ((strcmp(profile->resolution, resolution) == 0 || | |
583 | profile->resolution[0] == '-') && | |
584 | (strcmp(profile->media_type, media_type) == 0 || | |
585 | profile->media_type[0] == '-')) | |
586 | { | |
587 | fputs("MATCH!\n", stderr); | |
588 | break; | |
589 | } | |
590 | else | |
591 | fputs("no.\n", stderr); | |
592 | } | |
593 | ||
594 | /* | |
595 | * If we found a color profile, use it! | |
596 | */ | |
597 | ||
598 | if (i >= ppd->num_profiles) | |
599 | profile = NULL; | |
600 | } | |
601 | else | |
602 | profile = NULL; | |
603 | ||
604 | if (profile) | |
605 | cupsImageSetProfile(profile->density, profile->gamma, profile->matrix); | |
606 | ||
607 | cupsImageSetRasterColorSpace(header.cupsColorSpace); | |
608 | ||
609 | /* | |
610 | * Create a gamma/brightness LUT... | |
611 | */ | |
612 | ||
613 | make_lut(lut, primary, g, b); | |
614 | ||
615 | /* | |
616 | * Open the input image to print... | |
617 | */ | |
618 | ||
c0e1af83 | 619 | fputs(_("INFO: Loading image file...\n"), stderr); |
ef416fc2 | 620 | |
f301802f | 621 | if (header.cupsColorSpace == CUPS_CSPACE_CIEXYZ || |
622 | header.cupsColorSpace == CUPS_CSPACE_CIELab || | |
623 | header.cupsColorSpace >= CUPS_CSPACE_ICC1) | |
624 | img = cupsImageOpen(filename, primary, secondary, sat, hue, NULL); | |
625 | else | |
626 | img = cupsImageOpen(filename, primary, secondary, sat, hue, lut); | |
ef416fc2 | 627 | |
628 | if (argc == 6) | |
629 | unlink(filename); | |
630 | ||
631 | if (img == NULL) | |
632 | { | |
c0e1af83 | 633 | fputs(_("ERROR: Unable to open image file for printing!\n"), stderr); |
ef416fc2 | 634 | ppdClose(ppd); |
635 | return (1); | |
636 | } | |
637 | ||
638 | /* | |
639 | * Scale as necessary... | |
640 | */ | |
641 | ||
642 | if (zoom == 0.0 && xppi == 0) | |
643 | { | |
644 | xppi = img->xppi; | |
645 | yppi = img->yppi; | |
646 | } | |
647 | ||
648 | if (yppi == 0) | |
649 | yppi = xppi; | |
650 | ||
651 | fprintf(stderr, "DEBUG: Before scaling: xppi=%d, yppi=%d, zoom=%.2f\n", | |
652 | xppi, yppi, zoom); | |
653 | ||
654 | if (xppi > 0) | |
655 | { | |
656 | /* | |
657 | * Scale the image as neccesary to match the desired pixels-per-inch. | |
658 | */ | |
659 | ||
660 | if (Orientation & 1) | |
661 | { | |
662 | xprint = (PageTop - PageBottom) / 72.0; | |
663 | yprint = (PageRight - PageLeft) / 72.0; | |
664 | } | |
665 | else | |
666 | { | |
667 | xprint = (PageRight - PageLeft) / 72.0; | |
668 | yprint = (PageTop - PageBottom) / 72.0; | |
669 | } | |
670 | ||
671 | fprintf(stderr, "DEBUG: Before scaling: xprint=%.1f, yprint=%.1f\n", | |
672 | xprint, yprint); | |
673 | ||
674 | xinches = (float)img->xsize / (float)xppi; | |
675 | yinches = (float)img->ysize / (float)yppi; | |
676 | ||
677 | fprintf(stderr, "DEBUG: Image size is %.1f x %.1f inches...\n", | |
678 | xinches, yinches); | |
679 | ||
680 | if ((val = cupsGetOption("natural-scaling", num_options, options)) != NULL) | |
681 | { | |
682 | xinches = xinches * atoi(val) / 100; | |
683 | yinches = yinches * atoi(val) / 100; | |
684 | } | |
685 | ||
686 | if (cupsGetOption("orientation-requested", num_options, options) == NULL && | |
687 | cupsGetOption("landscape", num_options, options) == NULL) | |
688 | { | |
689 | /* | |
690 | * Rotate the image if it will fit landscape but not portrait... | |
691 | */ | |
692 | ||
693 | fputs("DEBUG: Auto orientation...\n", stderr); | |
694 | ||
695 | if ((xinches > xprint || yinches > yprint) && | |
696 | xinches <= yprint && yinches <= xprint) | |
697 | { | |
698 | /* | |
699 | * Rotate the image as needed... | |
700 | */ | |
701 | ||
702 | fputs("DEBUG: Using landscape orientation...\n", stderr); | |
703 | ||
704 | Orientation = (Orientation + 1) & 3; | |
705 | xsize = yprint; | |
706 | yprint = xprint; | |
707 | xprint = xsize; | |
708 | } | |
709 | } | |
710 | } | |
711 | else | |
712 | { | |
713 | /* | |
714 | * Scale percentage of page size... | |
715 | */ | |
716 | ||
717 | xprint = (PageRight - PageLeft) / 72.0; | |
718 | yprint = (PageTop - PageBottom) / 72.0; | |
719 | aspect = (float)img->yppi / (float)img->xppi; | |
720 | ||
721 | fprintf(stderr, "DEBUG: Before scaling: xprint=%.1f, yprint=%.1f\n", | |
722 | xprint, yprint); | |
723 | ||
724 | fprintf(stderr, "DEBUG: img->xppi = %d, img->yppi = %d, aspect = %f\n", | |
725 | img->xppi, img->yppi, aspect); | |
726 | ||
727 | xsize = xprint * zoom; | |
728 | ysize = xsize * img->ysize / img->xsize / aspect; | |
729 | ||
730 | if (ysize > (yprint * zoom)) | |
731 | { | |
732 | ysize = yprint * zoom; | |
733 | xsize = ysize * img->xsize * aspect / img->ysize; | |
734 | } | |
735 | ||
736 | xsize2 = yprint * zoom; | |
737 | ysize2 = xsize2 * img->ysize / img->xsize / aspect; | |
738 | ||
739 | if (ysize2 > (xprint * zoom)) | |
740 | { | |
741 | ysize2 = xprint * zoom; | |
742 | xsize2 = ysize2 * img->xsize * aspect / img->ysize; | |
743 | } | |
744 | ||
745 | fprintf(stderr, "DEBUG: Portrait size is %.2f x %.2f inches\n", xsize, ysize); | |
746 | fprintf(stderr, "DEBUG: Landscape size is %.2f x %.2f inches\n", xsize2, ysize2); | |
747 | ||
748 | if (cupsGetOption("orientation-requested", num_options, options) == NULL && | |
749 | cupsGetOption("landscape", num_options, options) == NULL) | |
750 | { | |
751 | /* | |
752 | * Choose the rotation with the largest area, but prefer | |
753 | * portrait if they are equal... | |
754 | */ | |
755 | ||
756 | fputs("DEBUG: Auto orientation...\n", stderr); | |
757 | ||
758 | if ((xsize * ysize) < (xsize2 * xsize2)) | |
759 | { | |
760 | /* | |
761 | * Do landscape orientation... | |
762 | */ | |
763 | ||
764 | fputs("DEBUG: Using landscape orientation...\n", stderr); | |
765 | ||
766 | Orientation = 1; | |
767 | xinches = xsize2; | |
768 | yinches = ysize2; | |
769 | xprint = (PageTop - PageBottom) / 72.0; | |
770 | yprint = (PageRight - PageLeft) / 72.0; | |
771 | } | |
772 | else | |
773 | { | |
774 | /* | |
775 | * Do portrait orientation... | |
776 | */ | |
777 | ||
778 | fputs("DEBUG: Using portrait orientation...\n", stderr); | |
779 | ||
780 | Orientation = 0; | |
781 | xinches = xsize; | |
782 | yinches = ysize; | |
783 | } | |
784 | } | |
785 | else if (Orientation & 1) | |
786 | { | |
787 | fputs("DEBUG: Using landscape orientation...\n", stderr); | |
788 | ||
789 | xinches = xsize2; | |
790 | yinches = ysize2; | |
791 | xprint = (PageTop - PageBottom) / 72.0; | |
792 | yprint = (PageRight - PageLeft) / 72.0; | |
793 | } | |
794 | else | |
795 | { | |
796 | fputs("DEBUG: Using portrait orientation...\n", stderr); | |
797 | ||
798 | xinches = xsize; | |
799 | yinches = ysize; | |
800 | xprint = (PageRight - PageLeft) / 72.0; | |
801 | yprint = (PageTop - PageBottom) / 72.0; | |
802 | } | |
803 | } | |
804 | ||
805 | /* | |
806 | * Compute the number of pages to print and the size of the image on each | |
807 | * page... | |
808 | */ | |
809 | ||
810 | xpages = ceil(xinches / xprint); | |
811 | ypages = ceil(yinches / yprint); | |
812 | ||
813 | xprint = xinches / xpages; | |
814 | yprint = yinches / ypages; | |
815 | ||
816 | fprintf(stderr, "DEBUG: xpages = %dx%.2fin, ypages = %dx%.2fin\n", | |
817 | xpages, xprint, ypages, yprint); | |
818 | ||
819 | /* | |
820 | * Compute the bitmap size... | |
821 | */ | |
822 | ||
823 | if ((choice = ppdFindMarkedChoice(ppd, "PageSize")) != NULL && | |
824 | strcasecmp(choice->choice, "Custom") == 0) | |
825 | { | |
826 | float width, /* New width in points */ | |
827 | length; /* New length in points */ | |
828 | ||
829 | ||
830 | /* | |
831 | * Use the correct width and length for the current orientation... | |
832 | */ | |
833 | ||
834 | if (Orientation & 1) | |
835 | { | |
836 | width = yprint * 72.0; | |
837 | length = xprint * 72.0; | |
838 | } | |
839 | else | |
840 | { | |
841 | width = xprint * 72.0; | |
842 | length = yprint * 72.0; | |
843 | } | |
844 | ||
845 | /* | |
846 | * Add margins to page size... | |
847 | */ | |
848 | ||
849 | width += ppd->custom_margins[0] + ppd->custom_margins[2]; | |
850 | length += ppd->custom_margins[1] + ppd->custom_margins[3]; | |
851 | ||
852 | /* | |
853 | * Enforce minimums... | |
854 | */ | |
855 | ||
856 | if (width < ppd->custom_min[0]) | |
857 | width = ppd->custom_min[0]; | |
858 | ||
859 | if (length < ppd->custom_min[1]) | |
860 | length = ppd->custom_min[1]; | |
861 | ||
862 | fprintf(stderr, "DEBUG: Updated custom page size to %.2f x %.2f inches...\n", | |
863 | width / 72.0, length / 72.0); | |
864 | ||
865 | /* | |
866 | * Set the new custom size... | |
867 | */ | |
868 | ||
f301802f | 869 | strcpy(header.cupsPageSizeName, "Custom"); |
870 | ||
871 | header.cupsPageSize[0] = width + 0.5; | |
872 | header.cupsPageSize[1] = length + 0.5; | |
873 | header.PageSize[0] = width + 0.5; | |
874 | header.PageSize[1] = length + 0.5; | |
ef416fc2 | 875 | |
876 | /* | |
877 | * Update page variables... | |
878 | */ | |
879 | ||
880 | PageWidth = width; | |
881 | PageLength = length; | |
882 | PageLeft = ppd->custom_margins[0]; | |
883 | PageRight = width - ppd->custom_margins[2]; | |
884 | PageBottom = ppd->custom_margins[1]; | |
885 | PageTop = length - ppd->custom_margins[3]; | |
886 | ||
887 | /* | |
888 | * Remove margins from page size... | |
889 | */ | |
890 | ||
891 | width -= ppd->custom_margins[0] + ppd->custom_margins[2]; | |
892 | length -= ppd->custom_margins[1] + ppd->custom_margins[3]; | |
893 | ||
894 | /* | |
895 | * Set the bitmap size... | |
896 | */ | |
897 | ||
898 | header.cupsWidth = width * header.HWResolution[0] / 72.0; | |
899 | header.cupsHeight = length * header.HWResolution[1] / 72.0; | |
f301802f | 900 | |
901 | header.cupsBytesPerLine = (header.cupsBitsPerPixel * | |
902 | header.cupsWidth + 7) / 8; | |
903 | ||
904 | if (header.cupsColorOrder == CUPS_ORDER_BANDED) | |
905 | header.cupsBytesPerLine *= header.cupsNumColors; | |
ef416fc2 | 906 | } |
907 | ||
908 | header.Margins[0] = PageLeft; | |
909 | header.Margins[1] = PageBottom; | |
910 | ||
911 | fprintf(stderr, "DEBUG: PageSize = [%d %d]\n", header.PageSize[0], | |
912 | header.PageSize[1]); | |
913 | ||
914 | switch (Orientation) | |
915 | { | |
916 | default : | |
917 | switch (XPosition) | |
918 | { | |
919 | case -1 : | |
f301802f | 920 | header.cupsImagingBBox[0] = PageLeft; |
921 | header.cupsImagingBBox[2] = PageLeft + xprint * 72; | |
ef416fc2 | 922 | break; |
923 | default : | |
f301802f | 924 | header.cupsImagingBBox[0] = (PageRight + PageLeft - xprint * 72) / 2; |
925 | header.cupsImagingBBox[2] = (PageRight + PageLeft + xprint * 72) / 2; | |
ef416fc2 | 926 | break; |
927 | case 1 : | |
f301802f | 928 | header.cupsImagingBBox[0] = PageRight - xprint * 72; |
929 | header.cupsImagingBBox[2] = PageRight; | |
ef416fc2 | 930 | break; |
931 | } | |
932 | ||
933 | switch (YPosition) | |
934 | { | |
935 | case -1 : | |
f301802f | 936 | header.cupsImagingBBox[1] = PageBottom; |
937 | header.cupsImagingBBox[3] = PageBottom + yprint * 72; | |
ef416fc2 | 938 | break; |
939 | default : | |
f301802f | 940 | header.cupsImagingBBox[1] = (PageTop + PageBottom - yprint * 72) / 2; |
941 | header.cupsImagingBBox[3] = (PageTop + PageBottom + yprint * 72) / 2; | |
ef416fc2 | 942 | break; |
943 | case 1 : | |
f301802f | 944 | header.cupsImagingBBox[1] = PageTop - yprint * 72; |
945 | header.cupsImagingBBox[3] = PageTop; | |
ef416fc2 | 946 | break; |
947 | } | |
948 | break; | |
949 | ||
950 | case 1 : | |
951 | switch (XPosition) | |
952 | { | |
953 | case -1 : | |
f301802f | 954 | header.cupsImagingBBox[0] = PageBottom; |
955 | header.cupsImagingBBox[2] = PageBottom + yprint * 72; | |
ef416fc2 | 956 | break; |
957 | default : | |
f301802f | 958 | header.cupsImagingBBox[0] = (PageTop + PageBottom - yprint * 72) / 2; |
959 | header.cupsImagingBBox[2] = (PageTop + PageBottom + yprint * 72) / 2; | |
ef416fc2 | 960 | break; |
961 | case 1 : | |
f301802f | 962 | header.cupsImagingBBox[0] = PageTop - yprint * 72; |
963 | header.cupsImagingBBox[2] = PageTop; | |
ef416fc2 | 964 | break; |
965 | } | |
966 | ||
967 | switch (YPosition) | |
968 | { | |
969 | case -1 : | |
f301802f | 970 | header.cupsImagingBBox[1] = PageLeft; |
971 | header.cupsImagingBBox[3] = PageLeft + xprint * 72; | |
ef416fc2 | 972 | break; |
973 | default : | |
f301802f | 974 | header.cupsImagingBBox[1] = (PageRight + PageLeft - xprint * 72) / 2; |
975 | header.cupsImagingBBox[3] = (PageRight + PageLeft + xprint * 72) / 2; | |
ef416fc2 | 976 | break; |
977 | case 1 : | |
f301802f | 978 | header.cupsImagingBBox[1] = PageRight - xprint * 72; |
979 | header.cupsImagingBBox[3] = PageRight; | |
ef416fc2 | 980 | break; |
981 | } | |
982 | break; | |
983 | ||
984 | case 2 : | |
985 | switch (XPosition) | |
986 | { | |
987 | case 1 : | |
f301802f | 988 | header.cupsImagingBBox[0] = PageLeft; |
989 | header.cupsImagingBBox[2] = PageLeft + xprint * 72; | |
ef416fc2 | 990 | break; |
991 | default : | |
f301802f | 992 | header.cupsImagingBBox[0] = (PageRight + PageLeft - xprint * 72) / 2; |
993 | header.cupsImagingBBox[2] = (PageRight + PageLeft + xprint * 72) / 2; | |
ef416fc2 | 994 | break; |
995 | case -1 : | |
f301802f | 996 | header.cupsImagingBBox[0] = PageRight - xprint * 72; |
997 | header.cupsImagingBBox[2] = PageRight; | |
ef416fc2 | 998 | break; |
999 | } | |
1000 | ||
1001 | switch (YPosition) | |
1002 | { | |
1003 | case 1 : | |
f301802f | 1004 | header.cupsImagingBBox[1] = PageBottom; |
1005 | header.cupsImagingBBox[3] = PageBottom + yprint * 72; | |
ef416fc2 | 1006 | break; |
1007 | default : | |
f301802f | 1008 | header.cupsImagingBBox[1] = (PageTop + PageBottom - yprint * 72) / 2; |
1009 | header.cupsImagingBBox[3] = (PageTop + PageBottom + yprint * 72) / 2; | |
ef416fc2 | 1010 | break; |
1011 | case -1 : | |
f301802f | 1012 | header.cupsImagingBBox[1] = PageTop - yprint * 72; |
1013 | header.cupsImagingBBox[3] = PageTop; | |
ef416fc2 | 1014 | break; |
1015 | } | |
1016 | break; | |
1017 | ||
1018 | case 3 : | |
1019 | switch (XPosition) | |
1020 | { | |
1021 | case 1 : | |
f301802f | 1022 | header.cupsImagingBBox[0] = PageBottom; |
1023 | header.cupsImagingBBox[2] = PageBottom + yprint * 72; | |
ef416fc2 | 1024 | break; |
1025 | default : | |
f301802f | 1026 | header.cupsImagingBBox[0] = (PageTop + PageBottom - yprint * 72) / 2; |
1027 | header.cupsImagingBBox[2] = (PageTop + PageBottom + yprint * 72) / 2; | |
ef416fc2 | 1028 | break; |
1029 | case -1 : | |
f301802f | 1030 | header.cupsImagingBBox[0] = PageTop - yprint * 72; |
1031 | header.cupsImagingBBox[2] = PageTop; | |
ef416fc2 | 1032 | break; |
1033 | } | |
1034 | ||
1035 | switch (YPosition) | |
1036 | { | |
1037 | case 1 : | |
f301802f | 1038 | header.cupsImagingBBox[1] = PageLeft; |
1039 | header.cupsImagingBBox[3] = PageLeft + xprint * 72; | |
ef416fc2 | 1040 | break; |
1041 | default : | |
f301802f | 1042 | header.cupsImagingBBox[1] = (PageRight + PageLeft - xprint * 72) / 2; |
1043 | header.cupsImagingBBox[3] = (PageRight + PageLeft + xprint * 72) / 2; | |
ef416fc2 | 1044 | break; |
1045 | case -1 : | |
f301802f | 1046 | header.cupsImagingBBox[1] = PageRight - xprint * 72; |
1047 | header.cupsImagingBBox[3] = PageRight; | |
ef416fc2 | 1048 | break; |
1049 | } | |
1050 | break; | |
1051 | } | |
1052 | ||
f301802f | 1053 | header.ImagingBoundingBox[0] = header.cupsImagingBBox[0]; |
1054 | header.ImagingBoundingBox[1] = header.cupsImagingBBox[1]; | |
1055 | header.ImagingBoundingBox[2] = header.cupsImagingBBox[2]; | |
1056 | header.ImagingBoundingBox[3] = header.cupsImagingBBox[3]; | |
ef416fc2 | 1057 | |
f301802f | 1058 | if (header.cupsColorOrder == CUPS_ORDER_PLANAR) |
1059 | num_planes = header.cupsNumColors; | |
1060 | else | |
1061 | num_planes = 1; | |
ef416fc2 | 1062 | |
f301802f | 1063 | if (header.cupsBitsPerColor >= 8) |
1064 | zoom_type = CUPS_IZOOM_NORMAL; | |
1065 | else | |
1066 | zoom_type = CUPS_IZOOM_FAST; | |
ef416fc2 | 1067 | |
1068 | /* | |
1069 | * See if we need to collate, and if so how we need to do it... | |
1070 | */ | |
1071 | ||
1072 | if (xpages == 1 && ypages == 1) | |
1073 | Collate = 0; | |
1074 | ||
1075 | slowcollate = Collate && ppdFindOption(ppd, "Collate") == NULL; | |
1076 | if (ppd != NULL) | |
1077 | slowcopies = ppd->manual_copies; | |
1078 | else | |
1079 | slowcopies = 1; | |
1080 | ||
1081 | if (Copies > 1 && !slowcollate && !slowcopies) | |
1082 | { | |
1083 | header.Collate = (cups_bool_t)Collate; | |
1084 | header.NumCopies = Copies; | |
1085 | ||
1086 | Copies = 1; | |
1087 | } | |
1088 | else | |
1089 | header.NumCopies = 1; | |
1090 | ||
1091 | /* | |
1092 | * Create the dithering lookup tables... | |
1093 | */ | |
1094 | ||
1095 | OnPixels[0] = 0x00; | |
1096 | OnPixels[255] = 0xff; | |
1097 | OffPixels[0] = 0x00; | |
1098 | OffPixels[255] = 0xff; | |
1099 | ||
1100 | switch (header.cupsBitsPerColor) | |
1101 | { | |
1102 | case 2 : | |
1103 | for (i = 1; i < 255; i ++) | |
1104 | { | |
1105 | OnPixels[i] = 0x55 * (i / 85 + 1); | |
1106 | OffPixels[i] = 0x55 * (i / 64); | |
1107 | } | |
1108 | break; | |
1109 | case 4 : | |
1110 | for (i = 1; i < 255; i ++) | |
1111 | { | |
1112 | OnPixels[i] = 17 * (i / 17 + 1); | |
1113 | OffPixels[i] = 17 * (i / 16); | |
1114 | } | |
ef416fc2 | 1115 | break; |
1116 | } | |
1117 | ||
1118 | /* | |
1119 | * Output the pages... | |
1120 | */ | |
1121 | ||
1122 | fprintf(stderr, "DEBUG: cupsWidth = %d\n", header.cupsWidth); | |
1123 | fprintf(stderr, "DEBUG: cupsHeight = %d\n", header.cupsHeight); | |
1124 | fprintf(stderr, "DEBUG: cupsBitsPerColor = %d\n", header.cupsBitsPerColor); | |
1125 | fprintf(stderr, "DEBUG: cupsBitsPerPixel = %d\n", header.cupsBitsPerPixel); | |
1126 | fprintf(stderr, "DEBUG: cupsBytesPerLine = %d\n", header.cupsBytesPerLine); | |
1127 | fprintf(stderr, "DEBUG: cupsColorOrder = %d\n", header.cupsColorOrder); | |
1128 | fprintf(stderr, "DEBUG: cupsColorSpace = %d\n", header.cupsColorSpace); | |
1129 | fprintf(stderr, "DEBUG: img->colorspace = %d\n", img->colorspace); | |
1130 | ||
f301802f | 1131 | row = malloc(2 * header.cupsBytesPerLine); |
1132 | ras = cupsRasterOpen(1, CUPS_RASTER_WRITE); | |
ef416fc2 | 1133 | |
1134 | for (i = 0, page = 1; i < Copies; i ++) | |
1135 | for (xpage = 0; xpage < xpages; xpage ++) | |
1136 | for (ypage = 0; ypage < ypages; ypage ++, page ++) | |
1137 | { | |
c0e1af83 | 1138 | fprintf(stderr, _("INFO: Formatting page %d...\n"), page); |
ef416fc2 | 1139 | |
1140 | if (Orientation & 1) | |
1141 | { | |
bd7854cb | 1142 | xc0 = img->xsize * ypage / ypages; |
1143 | xc1 = img->xsize * (ypage + 1) / ypages - 1; | |
1144 | yc0 = img->ysize * xpage / xpages; | |
1145 | yc1 = img->ysize * (xpage + 1) / xpages - 1; | |
ef416fc2 | 1146 | |
1147 | xtemp = header.HWResolution[0] * yprint; | |
1148 | ytemp = header.HWResolution[1] * xprint; | |
1149 | } | |
1150 | else | |
1151 | { | |
bd7854cb | 1152 | xc0 = img->xsize * xpage / xpages; |
1153 | xc1 = img->xsize * (xpage + 1) / xpages - 1; | |
1154 | yc0 = img->ysize * ypage / ypages; | |
1155 | yc1 = img->ysize * (ypage + 1) / ypages - 1; | |
ef416fc2 | 1156 | |
1157 | xtemp = header.HWResolution[0] * xprint; | |
1158 | ytemp = header.HWResolution[1] * yprint; | |
1159 | } | |
1160 | ||
1161 | cupsRasterWriteHeader2(ras, &header); | |
1162 | ||
1163 | for (plane = 0; plane < num_planes; plane ++) | |
1164 | { | |
1165 | /* | |
1166 | * Initialize the image "zoom" engine... | |
1167 | */ | |
1168 | ||
1169 | if (Flip) | |
b423cd4c | 1170 | z = _cupsImageZoomNew(img, xc0, yc0, xc1, yc1, -xtemp, ytemp, |
f301802f | 1171 | Orientation & 1, zoom_type); |
ef416fc2 | 1172 | else |
b423cd4c | 1173 | z = _cupsImageZoomNew(img, xc0, yc0, xc1, yc1, xtemp, ytemp, |
f301802f | 1174 | Orientation & 1, zoom_type); |
ef416fc2 | 1175 | |
1176 | /* | |
1177 | * Write leading blank space as needed... | |
1178 | */ | |
1179 | ||
1180 | if (header.cupsHeight > z->ysize && YPosition <= 0) | |
1181 | { | |
f301802f | 1182 | blank_line(&header, row); |
ef416fc2 | 1183 | |
1184 | y = header.cupsHeight - z->ysize; | |
1185 | if (YPosition == 0) | |
1186 | y /= 2; | |
1187 | ||
f301802f | 1188 | fprintf(stderr, "DEBUG: Writing %d leading blank lines...\n", y); |
1189 | ||
ef416fc2 | 1190 | for (; y > 0; y --) |
1191 | { | |
1192 | if (cupsRasterWritePixels(ras, row, header.cupsBytesPerLine) < | |
1193 | header.cupsBytesPerLine) | |
1194 | { | |
c0e1af83 | 1195 | fputs(_("ERROR: Unable to write raster data to driver!\n"), |
1196 | stderr); | |
ef416fc2 | 1197 | cupsImageClose(img); |
1198 | exit(1); | |
1199 | } | |
1200 | } | |
1201 | } | |
1202 | ||
1203 | /* | |
1204 | * Then write image data... | |
1205 | */ | |
1206 | ||
1207 | for (y = z->ysize, yerr0 = 0, yerr1 = z->ysize, iy = 0, last_iy = -2; | |
1208 | y > 0; | |
1209 | y --) | |
1210 | { | |
1211 | if (iy != last_iy) | |
1212 | { | |
1213 | if (zoom_type != CUPS_IZOOM_FAST && (iy - last_iy) > 1) | |
b423cd4c | 1214 | _cupsImageZoomFill(z, iy); |
ef416fc2 | 1215 | |
b423cd4c | 1216 | _cupsImageZoomFill(z, iy + z->yincr); |
ef416fc2 | 1217 | |
1218 | last_iy = iy; | |
1219 | } | |
1220 | ||
1221 | /* | |
1222 | * Format this line of raster data for the printer... | |
1223 | */ | |
1224 | ||
f301802f | 1225 | blank_line(&header, row); |
ef416fc2 | 1226 | |
1227 | r0 = z->rows[z->row]; | |
1228 | r1 = z->rows[1 - z->row]; | |
1229 | ||
1230 | switch (header.cupsColorSpace) | |
1231 | { | |
1232 | case CUPS_CSPACE_W : | |
1233 | format_W(&header, row, y, plane, z->xsize, z->ysize, | |
1234 | yerr0, yerr1, r0, r1); | |
1235 | break; | |
1236 | default : | |
1237 | case CUPS_CSPACE_RGB : | |
1238 | format_RGB(&header, row, y, plane, z->xsize, z->ysize, | |
1239 | yerr0, yerr1, r0, r1); | |
1240 | break; | |
1241 | case CUPS_CSPACE_RGBA : | |
1242 | case CUPS_CSPACE_RGBW : | |
1243 | format_RGBA(&header, row, y, plane, z->xsize, z->ysize, | |
1244 | yerr0, yerr1, r0, r1); | |
1245 | break; | |
1246 | case CUPS_CSPACE_K : | |
1247 | case CUPS_CSPACE_WHITE : | |
1248 | case CUPS_CSPACE_GOLD : | |
1249 | case CUPS_CSPACE_SILVER : | |
1250 | format_K(&header, row, y, plane, z->xsize, z->ysize, | |
1251 | yerr0, yerr1, r0, r1); | |
1252 | break; | |
1253 | case CUPS_CSPACE_CMY : | |
1254 | format_CMY(&header, row, y, plane, z->xsize, z->ysize, | |
1255 | yerr0, yerr1, r0, r1); | |
1256 | break; | |
1257 | case CUPS_CSPACE_YMC : | |
1258 | format_YMC(&header, row, y, plane, z->xsize, z->ysize, | |
1259 | yerr0, yerr1, r0, r1); | |
1260 | break; | |
1261 | case CUPS_CSPACE_CMYK : | |
1262 | format_CMYK(&header, row, y, plane, z->xsize, z->ysize, | |
1263 | yerr0, yerr1, r0, r1); | |
1264 | break; | |
1265 | case CUPS_CSPACE_YMCK : | |
1266 | case CUPS_CSPACE_GMCK : | |
1267 | case CUPS_CSPACE_GMCS : | |
1268 | format_YMCK(&header, row, y, plane, z->xsize, z->ysize, | |
1269 | yerr0, yerr1, r0, r1); | |
1270 | break; | |
f301802f | 1271 | case CUPS_CSPACE_KCMYcm : |
1272 | if (header.cupsBitsPerColor == 1) | |
1273 | { | |
1274 | format_KCMYcm(&header, row, y, plane, z->xsize, z->ysize, | |
1275 | yerr0, yerr1, r0, r1); | |
1276 | break; | |
1277 | } | |
ef416fc2 | 1278 | case CUPS_CSPACE_KCMY : |
1279 | format_KCMY(&header, row, y, plane, z->xsize, z->ysize, | |
1280 | yerr0, yerr1, r0, r1); | |
1281 | break; | |
ef416fc2 | 1282 | } |
1283 | ||
1284 | /* | |
1285 | * Write the raster data to the driver... | |
1286 | */ | |
1287 | ||
1288 | if (cupsRasterWritePixels(ras, row, header.cupsBytesPerLine) < | |
1289 | header.cupsBytesPerLine) | |
1290 | { | |
c0e1af83 | 1291 | fputs(_("ERROR: Unable to write raster data to driver!\n"), |
1292 | stderr); | |
ef416fc2 | 1293 | cupsImageClose(img); |
1294 | exit(1); | |
1295 | } | |
1296 | ||
1297 | /* | |
1298 | * Compute the next scanline in the image... | |
1299 | */ | |
1300 | ||
1301 | iy += z->ystep; | |
1302 | yerr0 += z->ymod; | |
1303 | yerr1 -= z->ymod; | |
1304 | if (yerr1 <= 0) | |
1305 | { | |
1306 | yerr0 -= z->ysize; | |
1307 | yerr1 += z->ysize; | |
1308 | iy += z->yincr; | |
1309 | } | |
1310 | } | |
1311 | ||
1312 | /* | |
1313 | * Write trailing blank space as needed... | |
1314 | */ | |
1315 | ||
1316 | if (header.cupsHeight > z->ysize && YPosition >= 0) | |
1317 | { | |
f301802f | 1318 | blank_line(&header, row); |
ef416fc2 | 1319 | |
1320 | y = header.cupsHeight - z->ysize; | |
1321 | if (YPosition == 0) | |
1322 | y = y - y / 2; | |
1323 | ||
f301802f | 1324 | fprintf(stderr, "DEBUG: Writing %d trailing blank lines...\n", y); |
1325 | ||
ef416fc2 | 1326 | for (; y > 0; y --) |
1327 | { | |
1328 | if (cupsRasterWritePixels(ras, row, header.cupsBytesPerLine) < | |
1329 | header.cupsBytesPerLine) | |
1330 | { | |
c0e1af83 | 1331 | fputs(_("ERROR: Unable to write raster data to driver!\n"), |
1332 | stderr); | |
ef416fc2 | 1333 | cupsImageClose(img); |
1334 | exit(1); | |
1335 | } | |
1336 | } | |
1337 | } | |
1338 | ||
1339 | /* | |
1340 | * Free memory used for the "zoom" engine... | |
1341 | */ | |
1342 | ||
b423cd4c | 1343 | _cupsImageZoomDelete(z); |
ef416fc2 | 1344 | } |
1345 | } | |
1346 | ||
1347 | /* | |
1348 | * Close files... | |
1349 | */ | |
1350 | ||
1351 | free(row); | |
1352 | cupsRasterClose(ras); | |
1353 | cupsImageClose(img); | |
1354 | ppdClose(ppd); | |
1355 | ||
1356 | return (0); | |
1357 | } | |
1358 | ||
1359 | ||
f301802f | 1360 | /* |
1361 | * 'blank_line()' - Clear a line buffer to the blank value... | |
1362 | */ | |
1363 | ||
1364 | static void | |
1365 | blank_line(cups_page_header2_t *header, /* I - Page header */ | |
1366 | unsigned char *row) /* I - Row buffer */ | |
1367 | { | |
1368 | int count; /* Remaining bytes */ | |
1369 | ||
1370 | ||
1371 | count = header->cupsBytesPerLine; | |
1372 | ||
1373 | switch (header->cupsColorSpace) | |
1374 | { | |
1375 | case CUPS_CSPACE_CIEXYZ : | |
1376 | while (count > 2) | |
1377 | { | |
1378 | *row++ = 242; | |
1379 | *row++ = 255; | |
1380 | *row++ = 255; | |
1381 | count -= 3; | |
1382 | } | |
1383 | break; | |
1384 | ||
1385 | case CUPS_CSPACE_CIELab : | |
1386 | case CUPS_CSPACE_ICC1 : | |
1387 | case CUPS_CSPACE_ICC2 : | |
1388 | case CUPS_CSPACE_ICC3 : | |
1389 | case CUPS_CSPACE_ICC4 : | |
1390 | case CUPS_CSPACE_ICC5 : | |
1391 | case CUPS_CSPACE_ICC6 : | |
1392 | case CUPS_CSPACE_ICC7 : | |
1393 | case CUPS_CSPACE_ICC8 : | |
1394 | case CUPS_CSPACE_ICC9 : | |
1395 | case CUPS_CSPACE_ICCA : | |
1396 | case CUPS_CSPACE_ICCB : | |
1397 | case CUPS_CSPACE_ICCC : | |
1398 | case CUPS_CSPACE_ICCD : | |
1399 | case CUPS_CSPACE_ICCE : | |
1400 | case CUPS_CSPACE_ICCF : | |
1401 | while (count > 2) | |
1402 | { | |
1403 | *row++ = 255; | |
1404 | *row++ = 128; | |
1405 | *row++ = 128; | |
1406 | count -= 3; | |
1407 | } | |
1408 | break; | |
1409 | ||
1410 | case CUPS_CSPACE_K : | |
1411 | case CUPS_CSPACE_CMY : | |
1412 | case CUPS_CSPACE_CMYK : | |
1413 | case CUPS_CSPACE_YMC : | |
1414 | case CUPS_CSPACE_YMCK : | |
1415 | case CUPS_CSPACE_KCMY : | |
1416 | case CUPS_CSPACE_KCMYcm : | |
1417 | case CUPS_CSPACE_GMCK : | |
1418 | case CUPS_CSPACE_GMCS : | |
1419 | case CUPS_CSPACE_WHITE : | |
1420 | case CUPS_CSPACE_GOLD : | |
1421 | case CUPS_CSPACE_SILVER : | |
1422 | memset(row, 0, count); | |
1423 | break; | |
1424 | ||
1425 | default : | |
1426 | memset(row, 255, count); | |
1427 | break; | |
1428 | } | |
1429 | } | |
1430 | ||
1431 | ||
ef416fc2 | 1432 | /* |
1433 | * 'format_CMY()' - Convert image data to CMY. | |
1434 | */ | |
1435 | ||
1436 | static void | |
1437 | format_CMY(cups_page_header2_t *header, /* I - Page header */ | |
1438 | unsigned char *row, /* IO - Bitmap data for device */ | |
1439 | int y, /* I - Current row */ | |
1440 | int z, /* I - Current plane */ | |
1441 | int xsize, /* I - Width of image data */ | |
1442 | int ysize, /* I - Height of image data */ | |
1443 | int yerr0, /* I - Top Y error */ | |
1444 | int yerr1, /* I - Bottom Y error */ | |
a74454a7 | 1445 | cups_ib_t *r0, /* I - Primary image data */ |
1446 | cups_ib_t *r1) /* I - Image data for interpolation */ | |
ef416fc2 | 1447 | { |
a74454a7 | 1448 | cups_ib_t *ptr, /* Pointer into row */ |
1449 | *cptr, /* Pointer into cyan */ | |
1450 | *mptr, /* Pointer into magenta */ | |
1451 | *yptr, /* Pointer into yellow */ | |
1452 | bitmask; /* Current mask for pixel */ | |
1453 | int bitoffset; /* Current offset in line */ | |
1454 | int bandwidth; /* Width of a color band */ | |
1455 | int x, /* Current X coordinate on page */ | |
1456 | *dither; /* Pointer into dither array */ | |
ef416fc2 | 1457 | |
1458 | ||
1459 | switch (XPosition) | |
1460 | { | |
1461 | case -1 : | |
1462 | bitoffset = 0; | |
1463 | break; | |
1464 | default : | |
1465 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); | |
1466 | break; | |
1467 | case 1 : | |
1468 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
1469 | break; | |
1470 | } | |
1471 | ||
1472 | ptr = row + bitoffset / 8; | |
1473 | bandwidth = header->cupsBytesPerLine / 3; | |
1474 | ||
1475 | switch (header->cupsColorOrder) | |
1476 | { | |
1477 | case CUPS_ORDER_CHUNKED : | |
1478 | switch (header->cupsBitsPerColor) | |
1479 | { | |
1480 | case 1 : | |
1481 | bitmask = 64 >> (bitoffset & 7); | |
f301802f | 1482 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 1483 | |
1484 | for (x = xsize ; x > 0; x --) | |
1485 | { | |
1486 | if (*r0++ > dither[x & 15]) | |
1487 | *ptr ^= bitmask; | |
1488 | bitmask >>= 1; | |
1489 | ||
1490 | if (*r0++ > dither[x & 15]) | |
1491 | *ptr ^= bitmask; | |
1492 | bitmask >>= 1; | |
1493 | ||
1494 | if (*r0++ > dither[x & 15]) | |
1495 | *ptr ^= bitmask; | |
1496 | ||
1497 | if (bitmask > 1) | |
1498 | bitmask >>= 2; | |
1499 | else | |
1500 | { | |
1501 | bitmask = 64; | |
1502 | ptr ++; | |
1503 | } | |
1504 | } | |
1505 | break; | |
1506 | ||
1507 | case 2 : | |
1508 | dither = Floyd8x8[y & 7]; | |
1509 | ||
1510 | for (x = xsize ; x > 0; x --, r0 += 3) | |
1511 | { | |
1512 | if ((r0[0] & 63) > dither[x & 7]) | |
1513 | *ptr ^= (0x30 & OnPixels[r0[0]]); | |
1514 | else | |
1515 | *ptr ^= (0x30 & OffPixels[r0[0]]); | |
1516 | ||
1517 | if ((r0[1] & 63) > dither[x & 7]) | |
1518 | *ptr ^= (0x0c & OnPixels[r0[1]]); | |
1519 | else | |
1520 | *ptr ^= (0x0c & OffPixels[r0[1]]); | |
1521 | ||
1522 | if ((r0[2] & 63) > dither[x & 7]) | |
1523 | *ptr++ ^= (0x03 & OnPixels[r0[2]]); | |
1524 | else | |
1525 | *ptr++ ^= (0x03 & OffPixels[r0[2]]); | |
1526 | } | |
1527 | break; | |
1528 | ||
1529 | case 4 : | |
1530 | dither = Floyd4x4[y & 3]; | |
1531 | ||
1532 | for (x = xsize ; x > 0; x --, r0 += 3) | |
1533 | { | |
1534 | if ((r0[0] & 15) > dither[x & 3]) | |
1535 | *ptr++ ^= (0x0f & OnPixels[r0[0]]); | |
1536 | else | |
1537 | *ptr++ ^= (0x0f & OffPixels[r0[0]]); | |
1538 | ||
1539 | if ((r0[1] & 15) > dither[x & 3]) | |
1540 | *ptr ^= (0xf0 & OnPixels[r0[1]]); | |
1541 | else | |
1542 | *ptr ^= (0xf0 & OffPixels[r0[1]]); | |
1543 | ||
1544 | if ((r0[2] & 15) > dither[x & 3]) | |
1545 | *ptr++ ^= (0x0f & OnPixels[r0[2]]); | |
1546 | else | |
1547 | *ptr++ ^= (0x0f & OffPixels[r0[2]]); | |
1548 | } | |
1549 | break; | |
1550 | ||
1551 | case 8 : | |
1552 | for (x = xsize * 3; x > 0; x --, r0 ++, r1 ++) | |
1553 | if (*r0 == *r1) | |
1554 | *ptr++ = *r0; | |
1555 | else | |
1556 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
1557 | break; | |
1558 | } | |
1559 | break; | |
1560 | ||
1561 | case CUPS_ORDER_BANDED : | |
1562 | cptr = ptr; | |
1563 | mptr = ptr + bandwidth; | |
1564 | yptr = ptr + 2 * bandwidth; | |
1565 | ||
1566 | switch (header->cupsBitsPerColor) | |
1567 | { | |
1568 | case 1 : | |
1569 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 1570 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 1571 | |
1572 | for (x = xsize; x > 0; x --) | |
1573 | { | |
1574 | if (*r0++ > dither[x & 15]) | |
1575 | *cptr ^= bitmask; | |
1576 | if (*r0++ > dither[x & 15]) | |
1577 | *mptr ^= bitmask; | |
1578 | if (*r0++ > dither[x & 15]) | |
1579 | *yptr ^= bitmask; | |
1580 | ||
1581 | if (bitmask > 1) | |
1582 | bitmask >>= 1; | |
1583 | else | |
1584 | { | |
1585 | bitmask = 0x80; | |
1586 | cptr ++; | |
1587 | mptr ++; | |
1588 | yptr ++; | |
1589 | } | |
1590 | } | |
1591 | break; | |
1592 | ||
1593 | case 2 : | |
f301802f | 1594 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 1595 | dither = Floyd8x8[y & 7]; |
1596 | ||
1597 | for (x = xsize; x > 0; x --) | |
1598 | { | |
1599 | if ((*r0 & 63) > dither[x & 7]) | |
1600 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
1601 | else | |
1602 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
1603 | ||
1604 | if ((*r0 & 63) > dither[x & 7]) | |
1605 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
1606 | else | |
1607 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
1608 | ||
1609 | if ((*r0 & 63) > dither[x & 7]) | |
1610 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
1611 | else | |
1612 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
1613 | ||
1614 | if (bitmask > 3) | |
1615 | bitmask >>= 2; | |
1616 | else | |
1617 | { | |
f301802f | 1618 | bitmask = 0xc0; |
ef416fc2 | 1619 | |
1620 | cptr ++; | |
1621 | mptr ++; | |
1622 | yptr ++; | |
1623 | } | |
1624 | } | |
1625 | break; | |
1626 | ||
1627 | case 4 : | |
1628 | bitmask = 0xf0 >> (bitoffset & 7); | |
1629 | dither = Floyd4x4[y & 3]; | |
1630 | ||
1631 | for (x = xsize; x > 0; x --) | |
1632 | { | |
1633 | if ((*r0 & 15) > dither[x & 3]) | |
1634 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
1635 | else | |
1636 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
1637 | ||
1638 | if ((*r0 & 15) > dither[x & 3]) | |
1639 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
1640 | else | |
1641 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
1642 | ||
1643 | if ((*r0 & 15) > dither[x & 3]) | |
1644 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
1645 | else | |
1646 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
1647 | ||
1648 | if (bitmask == 0xf0) | |
1649 | bitmask = 0x0f; | |
1650 | else | |
1651 | { | |
1652 | bitmask = 0xf0; | |
1653 | ||
1654 | cptr ++; | |
1655 | mptr ++; | |
1656 | yptr ++; | |
1657 | } | |
1658 | } | |
1659 | break; | |
1660 | ||
1661 | case 8 : | |
1662 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
1663 | { | |
1664 | if (r0[0] == r1[0]) | |
1665 | *cptr++ = r0[0]; | |
1666 | else | |
1667 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
1668 | ||
1669 | if (r0[1] == r1[1]) | |
1670 | *mptr++ = r0[1]; | |
1671 | else | |
1672 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
1673 | ||
1674 | if (r0[2] == r1[2]) | |
1675 | *yptr++ = r0[2]; | |
1676 | else | |
1677 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
1678 | } | |
1679 | break; | |
1680 | } | |
1681 | break; | |
1682 | ||
1683 | case CUPS_ORDER_PLANAR : | |
1684 | switch (header->cupsBitsPerColor) | |
1685 | { | |
1686 | case 1 : | |
1687 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 1688 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 1689 | |
1690 | switch (z) | |
1691 | { | |
1692 | case 0 : | |
1693 | for (x = xsize; x > 0; x --, r0 += 3) | |
1694 | { | |
1695 | if (r0[0] > dither[x & 15]) | |
1696 | *ptr ^= bitmask; | |
1697 | ||
1698 | if (bitmask > 1) | |
1699 | bitmask >>= 1; | |
1700 | else | |
1701 | { | |
1702 | bitmask = 0x80; | |
1703 | ptr ++; | |
1704 | } | |
1705 | } | |
1706 | break; | |
1707 | ||
1708 | case 1 : | |
1709 | for (x = xsize; x > 0; x --, r0 += 3) | |
1710 | { | |
1711 | if (r0[1] > dither[x & 15]) | |
1712 | *ptr ^= bitmask; | |
1713 | ||
1714 | if (bitmask > 1) | |
1715 | bitmask >>= 1; | |
1716 | else | |
1717 | { | |
1718 | bitmask = 0x80; | |
1719 | ptr ++; | |
1720 | } | |
1721 | } | |
1722 | break; | |
1723 | ||
1724 | case 2 : | |
1725 | for (x = xsize; x > 0; x --, r0 += 3) | |
1726 | { | |
1727 | if (r0[2] > dither[x & 15]) | |
1728 | *ptr ^= bitmask; | |
1729 | ||
1730 | if (bitmask > 1) | |
1731 | bitmask >>= 1; | |
1732 | else | |
1733 | { | |
1734 | bitmask = 0x80; | |
1735 | ptr ++; | |
1736 | } | |
1737 | } | |
1738 | break; | |
1739 | } | |
1740 | break; | |
1741 | ||
1742 | case 2 : | |
f301802f | 1743 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 1744 | dither = Floyd8x8[y & 7]; |
1745 | r0 += z; | |
1746 | ||
1747 | for (x = xsize; x > 0; x --, r0 += 3) | |
1748 | { | |
1749 | if ((*r0 & 63) > dither[x & 7]) | |
1750 | *ptr ^= (bitmask & OnPixels[*r0]); | |
1751 | else | |
1752 | *ptr ^= (bitmask & OffPixels[*r0]); | |
1753 | ||
1754 | if (bitmask > 3) | |
1755 | bitmask >>= 2; | |
1756 | else | |
1757 | { | |
f301802f | 1758 | bitmask = 0xc0; |
ef416fc2 | 1759 | |
1760 | ptr ++; | |
1761 | } | |
1762 | } | |
1763 | break; | |
1764 | ||
1765 | case 4 : | |
1766 | bitmask = 0xf0 >> (bitoffset & 7); | |
1767 | dither = Floyd4x4[y & 3]; | |
1768 | r0 += z; | |
1769 | ||
1770 | for (x = xsize; x > 0; x --, r0 += 3) | |
1771 | { | |
1772 | if ((*r0 & 15) > dither[x & 3]) | |
1773 | *ptr ^= (bitmask & OnPixels[*r0]); | |
1774 | else | |
1775 | *ptr ^= (bitmask & OffPixels[*r0]); | |
1776 | ||
1777 | if (bitmask == 0xf0) | |
1778 | bitmask = 0x0f; | |
1779 | else | |
1780 | { | |
1781 | bitmask = 0xf0; | |
1782 | ||
1783 | ptr ++; | |
1784 | } | |
1785 | } | |
1786 | break; | |
1787 | ||
1788 | case 8 : | |
1789 | r0 += z; | |
1790 | r1 += z; | |
1791 | ||
1792 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
1793 | { | |
1794 | if (*r0 == *r1) | |
1795 | *ptr++ = *r0; | |
1796 | else | |
1797 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
1798 | } | |
1799 | break; | |
1800 | } | |
1801 | break; | |
1802 | } | |
1803 | } | |
1804 | ||
1805 | ||
1806 | /* | |
1807 | * 'format_CMYK()' - Convert image data to CMYK. | |
1808 | */ | |
1809 | ||
1810 | static void | |
a74454a7 | 1811 | format_CMYK(cups_page_header2_t *header,/* I - Page header */ |
ef416fc2 | 1812 | unsigned char *row, /* IO - Bitmap data for device */ |
1813 | int y, /* I - Current row */ | |
1814 | int z, /* I - Current plane */ | |
1815 | int xsize, /* I - Width of image data */ | |
1816 | int ysize, /* I - Height of image data */ | |
1817 | int yerr0, /* I - Top Y error */ | |
1818 | int yerr1, /* I - Bottom Y error */ | |
a74454a7 | 1819 | cups_ib_t *r0, /* I - Primary image data */ |
1820 | cups_ib_t *r1) /* I - Image data for interpolation */ | |
ef416fc2 | 1821 | { |
a74454a7 | 1822 | cups_ib_t *ptr, /* Pointer into row */ |
1823 | *cptr, /* Pointer into cyan */ | |
1824 | *mptr, /* Pointer into magenta */ | |
1825 | *yptr, /* Pointer into yellow */ | |
1826 | *kptr, /* Pointer into black */ | |
1827 | bitmask; /* Current mask for pixel */ | |
1828 | int bitoffset; /* Current offset in line */ | |
1829 | int bandwidth; /* Width of a color band */ | |
1830 | int x, /* Current X coordinate on page */ | |
1831 | *dither; /* Pointer into dither array */ | |
f301802f | 1832 | int pc, pm, py; /* CMY pixels */ |
ef416fc2 | 1833 | |
1834 | ||
1835 | switch (XPosition) | |
1836 | { | |
1837 | case -1 : | |
1838 | bitoffset = 0; | |
1839 | break; | |
1840 | default : | |
1841 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); | |
1842 | break; | |
1843 | case 1 : | |
1844 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
1845 | break; | |
1846 | } | |
1847 | ||
1848 | ptr = row + bitoffset / 8; | |
1849 | bandwidth = header->cupsBytesPerLine / 4; | |
1850 | ||
1851 | switch (header->cupsColorOrder) | |
1852 | { | |
1853 | case CUPS_ORDER_CHUNKED : | |
1854 | switch (header->cupsBitsPerColor) | |
1855 | { | |
1856 | case 1 : | |
1857 | bitmask = 128 >> (bitoffset & 7); | |
f301802f | 1858 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 1859 | |
1860 | for (x = xsize ; x > 0; x --) | |
1861 | { | |
f301802f | 1862 | pc = *r0++ > dither[x & 15]; |
1863 | pm = *r0++ > dither[x & 15]; | |
1864 | py = *r0++ > dither[x & 15]; | |
ef416fc2 | 1865 | |
f301802f | 1866 | if (pc && pm && py) |
1867 | { | |
1868 | bitmask >>= 3; | |
ef416fc2 | 1869 | *ptr ^= bitmask; |
f301802f | 1870 | } |
1871 | else | |
1872 | { | |
1873 | if (pc) | |
1874 | *ptr ^= bitmask; | |
1875 | bitmask >>= 1; | |
ef416fc2 | 1876 | |
f301802f | 1877 | if (pm) |
1878 | *ptr ^= bitmask; | |
1879 | bitmask >>= 1; | |
ef416fc2 | 1880 | |
f301802f | 1881 | if (py) |
1882 | *ptr ^= bitmask; | |
1883 | bitmask >>= 1; | |
1884 | } | |
ef416fc2 | 1885 | |
1886 | if (bitmask > 1) | |
1887 | bitmask >>= 1; | |
1888 | else | |
1889 | { | |
1890 | bitmask = 128; | |
1891 | ptr ++; | |
1892 | } | |
1893 | } | |
1894 | break; | |
1895 | ||
1896 | case 2 : | |
1897 | dither = Floyd8x8[y & 7]; | |
1898 | ||
1899 | for (x = xsize ; x > 0; x --, r0 += 4) | |
1900 | { | |
1901 | if ((r0[0] & 63) > dither[x & 7]) | |
f301802f | 1902 | *ptr ^= (0xc0 & OnPixels[r0[0]]); |
ef416fc2 | 1903 | else |
f301802f | 1904 | *ptr ^= (0xc0 & OffPixels[r0[0]]); |
ef416fc2 | 1905 | |
1906 | if ((r0[1] & 63) > dither[x & 7]) | |
1907 | *ptr ^= (0x30 & OnPixels[r0[1]]); | |
1908 | else | |
1909 | *ptr ^= (0x30 & OffPixels[r0[1]]); | |
1910 | ||
1911 | if ((r0[2] & 63) > dither[x & 7]) | |
1912 | *ptr ^= (0x0c & OnPixels[r0[2]]); | |
1913 | else | |
1914 | *ptr ^= (0x0c & OffPixels[r0[2]]); | |
1915 | ||
1916 | if ((r0[3] & 63) > dither[x & 7]) | |
1917 | *ptr++ ^= (0x03 & OnPixels[r0[3]]); | |
1918 | else | |
1919 | *ptr++ ^= (0x03 & OffPixels[r0[3]]); | |
1920 | } | |
1921 | break; | |
1922 | ||
1923 | case 4 : | |
1924 | dither = Floyd4x4[y & 3]; | |
1925 | ||
1926 | for (x = xsize ; x > 0; x --, r0 += 4) | |
1927 | { | |
1928 | if ((r0[0] & 15) > dither[x & 3]) | |
1929 | *ptr ^= (0xf0 & OnPixels[r0[0]]); | |
1930 | else | |
1931 | *ptr ^= (0xf0 & OffPixels[r0[0]]); | |
1932 | ||
1933 | if ((r0[1] & 15) > dither[x & 3]) | |
1934 | *ptr++ ^= (0x0f & OnPixels[r0[1]]); | |
1935 | else | |
1936 | *ptr++ ^= (0x0f & OffPixels[r0[1]]); | |
1937 | ||
1938 | if ((r0[2] & 15) > dither[x & 3]) | |
1939 | *ptr ^= (0xf0 & OnPixels[r0[2]]); | |
1940 | else | |
1941 | *ptr ^= (0xf0 & OffPixels[r0[2]]); | |
1942 | ||
1943 | if ((r0[3] & 15) > dither[x & 3]) | |
1944 | *ptr++ ^= (0x0f & OnPixels[r0[3]]); | |
1945 | else | |
1946 | *ptr++ ^= (0x0f & OffPixels[r0[3]]); | |
1947 | } | |
1948 | break; | |
1949 | ||
1950 | case 8 : | |
1951 | for (x = xsize * 4; x > 0; x --, r0 ++, r1 ++) | |
1952 | if (*r0 == *r1) | |
1953 | *ptr++ = *r0; | |
1954 | else | |
1955 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
1956 | break; | |
1957 | } | |
1958 | break; | |
1959 | ||
1960 | case CUPS_ORDER_BANDED : | |
1961 | cptr = ptr; | |
1962 | mptr = ptr + bandwidth; | |
1963 | yptr = ptr + 2 * bandwidth; | |
1964 | kptr = ptr + 3 * bandwidth; | |
1965 | ||
1966 | switch (header->cupsBitsPerColor) | |
1967 | { | |
1968 | case 1 : | |
1969 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 1970 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 1971 | |
1972 | for (x = xsize; x > 0; x --) | |
1973 | { | |
f301802f | 1974 | pc = *r0++ > dither[x & 15]; |
1975 | pm = *r0++ > dither[x & 15]; | |
1976 | py = *r0++ > dither[x & 15]; | |
1977 | ||
1978 | if (pc && pm && py) | |
1979 | *kptr ^= bitmask; | |
1980 | else | |
1981 | { | |
1982 | if (pc) | |
1983 | *cptr ^= bitmask; | |
1984 | if (pm) | |
1985 | *mptr ^= bitmask; | |
1986 | if (py) | |
1987 | *yptr ^= bitmask; | |
1988 | } | |
ef416fc2 | 1989 | |
1990 | if (bitmask > 1) | |
1991 | bitmask >>= 1; | |
1992 | else | |
1993 | { | |
1994 | bitmask = 0x80; | |
1995 | cptr ++; | |
1996 | mptr ++; | |
1997 | yptr ++; | |
1998 | kptr ++; | |
1999 | } | |
2000 | } | |
2001 | break; | |
2002 | ||
2003 | case 2 : | |
f301802f | 2004 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 2005 | dither = Floyd8x8[y & 7]; |
2006 | ||
2007 | for (x = xsize; x > 0; x --) | |
2008 | { | |
2009 | if ((*r0 & 63) > dither[x & 7]) | |
2010 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
2011 | else | |
2012 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
2013 | ||
2014 | if ((*r0 & 63) > dither[x & 7]) | |
2015 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
2016 | else | |
2017 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
2018 | ||
2019 | if ((*r0 & 63) > dither[x & 7]) | |
2020 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
2021 | else | |
2022 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
2023 | ||
2024 | if ((*r0 & 63) > dither[x & 7]) | |
2025 | *kptr ^= (bitmask & OnPixels[*r0++]); | |
2026 | else | |
2027 | *kptr ^= (bitmask & OffPixels[*r0++]); | |
2028 | ||
2029 | if (bitmask > 3) | |
2030 | bitmask >>= 2; | |
2031 | else | |
2032 | { | |
f301802f | 2033 | bitmask = 0xc0; |
ef416fc2 | 2034 | |
2035 | cptr ++; | |
2036 | mptr ++; | |
2037 | yptr ++; | |
2038 | kptr ++; | |
2039 | } | |
2040 | } | |
2041 | break; | |
2042 | ||
2043 | case 4 : | |
2044 | bitmask = 0xf0 >> (bitoffset & 7); | |
2045 | dither = Floyd4x4[y & 3]; | |
2046 | ||
2047 | for (x = xsize; x > 0; x --) | |
2048 | { | |
2049 | if ((*r0 & 15) > dither[x & 3]) | |
2050 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
2051 | else | |
2052 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
2053 | ||
2054 | if ((*r0 & 15) > dither[x & 3]) | |
2055 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
2056 | else | |
2057 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
2058 | ||
2059 | if ((*r0 & 15) > dither[x & 3]) | |
2060 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
2061 | else | |
2062 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
2063 | ||
2064 | if ((*r0 & 15) > dither[x & 3]) | |
2065 | *kptr ^= (bitmask & OnPixels[*r0++]); | |
2066 | else | |
2067 | *kptr ^= (bitmask & OffPixels[*r0++]); | |
2068 | ||
2069 | if (bitmask == 0xf0) | |
2070 | bitmask = 0x0f; | |
2071 | else | |
2072 | { | |
2073 | bitmask = 0xf0; | |
2074 | ||
2075 | cptr ++; | |
2076 | mptr ++; | |
2077 | yptr ++; | |
2078 | kptr ++; | |
2079 | } | |
2080 | } | |
2081 | break; | |
2082 | ||
2083 | case 8 : | |
2084 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
2085 | { | |
2086 | if (r0[0] == r1[0]) | |
2087 | *cptr++ = r0[0]; | |
2088 | else | |
2089 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
2090 | ||
2091 | if (r0[1] == r1[1]) | |
2092 | *mptr++ = r0[1]; | |
2093 | else | |
2094 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
2095 | ||
2096 | if (r0[2] == r1[2]) | |
2097 | *yptr++ = r0[2]; | |
2098 | else | |
2099 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
2100 | ||
2101 | if (r0[3] == r1[3]) | |
2102 | *kptr++ = r0[3]; | |
2103 | else | |
2104 | *kptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize; | |
2105 | } | |
2106 | break; | |
2107 | } | |
2108 | break; | |
2109 | ||
2110 | case CUPS_ORDER_PLANAR : | |
2111 | switch (header->cupsBitsPerColor) | |
2112 | { | |
2113 | case 1 : | |
2114 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 2115 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 2116 | |
f301802f | 2117 | for (x = xsize; x > 0; x --) |
ef416fc2 | 2118 | { |
f301802f | 2119 | pc = *r0++ > dither[x & 15]; |
2120 | pm = *r0++ > dither[x & 15]; | |
2121 | py = *r0++ > dither[x & 15]; | |
2122 | ||
2123 | if ((pc && pm && py && z == 3) || | |
2124 | (pc && z == 0) || (pm && z == 1) || (py && z == 2)) | |
ef416fc2 | 2125 | *ptr ^= bitmask; |
2126 | ||
2127 | if (bitmask > 1) | |
2128 | bitmask >>= 1; | |
2129 | else | |
2130 | { | |
2131 | bitmask = 0x80; | |
2132 | ptr ++; | |
2133 | } | |
2134 | } | |
2135 | break; | |
2136 | ||
2137 | case 2 : | |
f301802f | 2138 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 2139 | dither = Floyd8x8[y & 7]; |
2140 | r0 += z; | |
2141 | ||
2142 | for (x = xsize; x > 0; x --, r0 += 4) | |
2143 | { | |
2144 | if ((*r0 & 63) > dither[x & 7]) | |
2145 | *ptr ^= (bitmask & OnPixels[*r0]); | |
2146 | else | |
2147 | *ptr ^= (bitmask & OffPixels[*r0]); | |
2148 | ||
2149 | if (bitmask > 3) | |
2150 | bitmask >>= 2; | |
2151 | else | |
2152 | { | |
f301802f | 2153 | bitmask = 0xc0; |
ef416fc2 | 2154 | |
2155 | ptr ++; | |
2156 | } | |
2157 | } | |
2158 | break; | |
2159 | ||
2160 | case 4 : | |
2161 | bitmask = 0xf0 >> (bitoffset & 7); | |
2162 | dither = Floyd4x4[y & 3]; | |
2163 | r0 += z; | |
2164 | ||
2165 | for (x = xsize; x > 0; x --, r0 += 4) | |
2166 | { | |
2167 | if ((*r0 & 15) > dither[x & 3]) | |
2168 | *ptr ^= (bitmask & OnPixels[*r0]); | |
2169 | else | |
2170 | *ptr ^= (bitmask & OffPixels[*r0]); | |
2171 | ||
2172 | if (bitmask == 0xf0) | |
2173 | bitmask = 0x0f; | |
2174 | else | |
2175 | { | |
2176 | bitmask = 0xf0; | |
2177 | ||
2178 | ptr ++; | |
2179 | } | |
2180 | } | |
2181 | break; | |
2182 | ||
2183 | case 8 : | |
2184 | r0 += z; | |
2185 | r1 += z; | |
2186 | ||
2187 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
2188 | { | |
2189 | if (*r0 == *r1) | |
2190 | *ptr++ = *r0; | |
2191 | else | |
2192 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
2193 | } | |
2194 | break; | |
2195 | } | |
2196 | break; | |
2197 | } | |
2198 | } | |
2199 | ||
2200 | ||
2201 | /* | |
2202 | * 'format_K()' - Convert image data to black. | |
2203 | */ | |
2204 | ||
2205 | static void | |
2206 | format_K(cups_page_header2_t *header, /* I - Page header */ | |
2207 | unsigned char *row, /* IO - Bitmap data for device */ | |
2208 | int y, /* I - Current row */ | |
2209 | int z, /* I - Current plane */ | |
2210 | int xsize, /* I - Width of image data */ | |
2211 | int ysize, /* I - Height of image data */ | |
2212 | int yerr0, /* I - Top Y error */ | |
2213 | int yerr1, /* I - Bottom Y error */ | |
a74454a7 | 2214 | cups_ib_t *r0, /* I - Primary image data */ |
2215 | cups_ib_t *r1) /* I - Image data for interpolation */ | |
ef416fc2 | 2216 | { |
a74454a7 | 2217 | cups_ib_t *ptr, /* Pointer into row */ |
2218 | bitmask; /* Current mask for pixel */ | |
2219 | int bitoffset; /* Current offset in line */ | |
2220 | int x, /* Current X coordinate on page */ | |
2221 | *dither; /* Pointer into dither array */ | |
ef416fc2 | 2222 | |
2223 | ||
2224 | (void)z; | |
2225 | ||
2226 | switch (XPosition) | |
2227 | { | |
2228 | case -1 : | |
2229 | bitoffset = 0; | |
2230 | break; | |
2231 | default : | |
2232 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); | |
2233 | break; | |
2234 | case 1 : | |
2235 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
2236 | break; | |
2237 | } | |
2238 | ||
2239 | ptr = row + bitoffset / 8; | |
2240 | ||
2241 | switch (header->cupsBitsPerColor) | |
2242 | { | |
2243 | case 1 : | |
2244 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 2245 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 2246 | |
2247 | for (x = xsize; x > 0; x --) | |
2248 | { | |
2249 | if (*r0++ > dither[x & 15]) | |
2250 | *ptr ^= bitmask; | |
2251 | ||
2252 | if (bitmask > 1) | |
2253 | bitmask >>= 1; | |
2254 | else | |
2255 | { | |
2256 | bitmask = 0x80; | |
2257 | ptr ++; | |
2258 | } | |
2259 | } | |
2260 | break; | |
2261 | ||
2262 | case 2 : | |
f301802f | 2263 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 2264 | dither = Floyd8x8[y & 7]; |
2265 | ||
2266 | for (x = xsize; x > 0; x --) | |
2267 | { | |
2268 | if ((*r0 & 63) > dither[x & 7]) | |
2269 | *ptr ^= (bitmask & OnPixels[*r0++]); | |
2270 | else | |
2271 | *ptr ^= (bitmask & OffPixels[*r0++]); | |
2272 | ||
2273 | if (bitmask > 3) | |
2274 | bitmask >>= 2; | |
2275 | else | |
2276 | { | |
f301802f | 2277 | bitmask = 0xc0; |
ef416fc2 | 2278 | |
2279 | ptr ++; | |
2280 | } | |
2281 | } | |
2282 | break; | |
2283 | ||
2284 | case 4 : | |
2285 | bitmask = 0xf0 >> (bitoffset & 7); | |
2286 | dither = Floyd4x4[y & 3]; | |
2287 | ||
2288 | for (x = xsize; x > 0; x --) | |
2289 | { | |
2290 | if ((*r0 & 15) > dither[x & 3]) | |
2291 | *ptr ^= (bitmask & OnPixels[*r0++]); | |
2292 | else | |
2293 | *ptr ^= (bitmask & OffPixels[*r0++]); | |
2294 | ||
2295 | if (bitmask == 0xf0) | |
2296 | bitmask = 0x0f; | |
2297 | else | |
2298 | { | |
2299 | bitmask = 0xf0; | |
2300 | ||
2301 | ptr ++; | |
2302 | } | |
2303 | } | |
2304 | break; | |
2305 | ||
2306 | case 8 : | |
2307 | for (x = xsize; x > 0; x --, r0 ++, r1 ++) | |
2308 | { | |
2309 | if (*r0 == *r1) | |
2310 | *ptr++ = *r0; | |
2311 | else | |
2312 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
2313 | } | |
2314 | break; | |
2315 | } | |
2316 | } | |
2317 | ||
2318 | ||
2319 | /* | |
2320 | * 'format_KCMY()' - Convert image data to KCMY. | |
2321 | */ | |
2322 | ||
2323 | static void | |
a74454a7 | 2324 | format_KCMY(cups_page_header2_t *header,/* I - Page header */ |
ef416fc2 | 2325 | unsigned char *row, /* IO - Bitmap data for device */ |
2326 | int y, /* I - Current row */ | |
2327 | int z, /* I - Current plane */ | |
2328 | int xsize, /* I - Width of image data */ | |
2329 | int ysize, /* I - Height of image data */ | |
2330 | int yerr0, /* I - Top Y error */ | |
2331 | int yerr1, /* I - Bottom Y error */ | |
a74454a7 | 2332 | cups_ib_t *r0, /* I - Primary image data */ |
2333 | cups_ib_t *r1) /* I - Image data for interpolation */ | |
ef416fc2 | 2334 | { |
a74454a7 | 2335 | cups_ib_t *ptr, /* Pointer into row */ |
2336 | *cptr, /* Pointer into cyan */ | |
2337 | *mptr, /* Pointer into magenta */ | |
2338 | *yptr, /* Pointer into yellow */ | |
2339 | *kptr, /* Pointer into black */ | |
2340 | bitmask; /* Current mask for pixel */ | |
2341 | int bitoffset; /* Current offset in line */ | |
2342 | int bandwidth; /* Width of a color band */ | |
2343 | int x, /* Current X coordinate on page */ | |
2344 | *dither; /* Pointer into dither array */ | |
f301802f | 2345 | int pc, pm, py; /* CMY pixels */ |
ef416fc2 | 2346 | |
2347 | ||
2348 | switch (XPosition) | |
2349 | { | |
2350 | case -1 : | |
2351 | bitoffset = 0; | |
2352 | break; | |
2353 | default : | |
2354 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); | |
2355 | break; | |
2356 | case 1 : | |
2357 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
2358 | break; | |
2359 | } | |
2360 | ||
2361 | ptr = row + bitoffset / 8; | |
2362 | bandwidth = header->cupsBytesPerLine / 4; | |
2363 | ||
2364 | switch (header->cupsColorOrder) | |
2365 | { | |
2366 | case CUPS_ORDER_CHUNKED : | |
2367 | switch (header->cupsBitsPerColor) | |
2368 | { | |
2369 | case 1 : | |
2370 | bitmask = 128 >> (bitoffset & 7); | |
f301802f | 2371 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 2372 | |
f301802f | 2373 | for (x = xsize ; x > 0; x --) |
ef416fc2 | 2374 | { |
f301802f | 2375 | pc = *r0++ > dither[x & 15]; |
2376 | pm = *r0++ > dither[x & 15]; | |
2377 | py = *r0++ > dither[x & 15]; | |
ef416fc2 | 2378 | |
f301802f | 2379 | if (pc && pm && py) |
2380 | { | |
ef416fc2 | 2381 | *ptr ^= bitmask; |
f301802f | 2382 | bitmask >>= 3; |
2383 | } | |
2384 | else | |
2385 | { | |
2386 | bitmask >>= 1; | |
2387 | if (pc) | |
2388 | *ptr ^= bitmask; | |
ef416fc2 | 2389 | |
f301802f | 2390 | bitmask >>= 1; |
2391 | if (pm) | |
2392 | *ptr ^= bitmask; | |
ef416fc2 | 2393 | |
f301802f | 2394 | bitmask >>= 1; |
2395 | if (py) | |
2396 | *ptr ^= bitmask; | |
2397 | } | |
ef416fc2 | 2398 | |
2399 | if (bitmask > 1) | |
2400 | bitmask >>= 1; | |
2401 | else | |
2402 | { | |
2403 | bitmask = 128; | |
2404 | ptr ++; | |
2405 | } | |
2406 | } | |
2407 | break; | |
2408 | ||
2409 | case 2 : | |
2410 | dither = Floyd8x8[y & 7]; | |
2411 | ||
2412 | for (x = xsize ; x > 0; x --, r0 += 4) | |
2413 | { | |
2414 | if ((r0[3] & 63) > dither[x & 7]) | |
f301802f | 2415 | *ptr ^= (0xc0 & OnPixels[r0[3]]); |
ef416fc2 | 2416 | else |
f301802f | 2417 | *ptr ^= (0xc0 & OffPixels[r0[3]]); |
ef416fc2 | 2418 | |
2419 | if ((r0[0] & 63) > dither[x & 7]) | |
2420 | *ptr ^= (0x30 & OnPixels[r0[0]]); | |
2421 | else | |
2422 | *ptr ^= (0x30 & OffPixels[r0[0]]); | |
2423 | ||
2424 | if ((r0[1] & 63) > dither[x & 7]) | |
2425 | *ptr ^= (0x0c & OnPixels[r0[1]]); | |
2426 | else | |
2427 | *ptr ^= (0x0c & OffPixels[r0[1]]); | |
2428 | ||
2429 | if ((r0[2] & 63) > dither[x & 7]) | |
2430 | *ptr++ ^= (0x03 & OnPixels[r0[2]]); | |
2431 | else | |
2432 | *ptr++ ^= (0x03 & OffPixels[r0[2]]); | |
2433 | } | |
2434 | break; | |
2435 | ||
2436 | case 4 : | |
2437 | dither = Floyd4x4[y & 3]; | |
2438 | ||
2439 | for (x = xsize ; x > 0; x --, r0 += 4) | |
2440 | { | |
2441 | if ((r0[3] & 15) > dither[x & 3]) | |
2442 | *ptr ^= (0xf0 & OnPixels[r0[3]]); | |
2443 | else | |
2444 | *ptr ^= (0xf0 & OffPixels[r0[3]]); | |
2445 | ||
2446 | if ((r0[0] & 15) > dither[x & 3]) | |
2447 | *ptr++ ^= (0x0f & OnPixels[r0[0]]); | |
2448 | else | |
2449 | *ptr++ ^= (0x0f & OffPixels[r0[0]]); | |
2450 | ||
2451 | if ((r0[1] & 15) > dither[x & 3]) | |
2452 | *ptr ^= (0xf0 & OnPixels[r0[1]]); | |
2453 | else | |
2454 | *ptr ^= (0xf0 & OffPixels[r0[1]]); | |
2455 | ||
2456 | if ((r0[2] & 15) > dither[x & 3]) | |
2457 | *ptr++ ^= (0x0f & OnPixels[r0[2]]); | |
2458 | else | |
2459 | *ptr++ ^= (0x0f & OffPixels[r0[2]]); | |
2460 | } | |
2461 | break; | |
2462 | ||
2463 | case 8 : | |
2464 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
2465 | { | |
2466 | if (r0[3] == r1[3]) | |
2467 | *ptr++ = r0[3]; | |
2468 | else | |
2469 | *ptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize; | |
2470 | ||
2471 | if (r0[0] == r1[0]) | |
2472 | *ptr++ = r0[0]; | |
2473 | else | |
2474 | *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
2475 | ||
2476 | if (r0[1] == r1[1]) | |
2477 | *ptr++ = r0[1]; | |
2478 | else | |
2479 | *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
2480 | ||
2481 | if (r0[2] == r1[2]) | |
2482 | *ptr++ = r0[2]; | |
2483 | else | |
2484 | *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
2485 | } | |
2486 | break; | |
2487 | } | |
2488 | break; | |
2489 | ||
2490 | case CUPS_ORDER_BANDED : | |
2491 | kptr = ptr; | |
2492 | cptr = ptr + bandwidth; | |
2493 | mptr = ptr + 2 * bandwidth; | |
2494 | yptr = ptr + 3 * bandwidth; | |
2495 | ||
2496 | switch (header->cupsBitsPerColor) | |
2497 | { | |
2498 | case 1 : | |
2499 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 2500 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 2501 | |
2502 | for (x = xsize; x > 0; x --) | |
2503 | { | |
f301802f | 2504 | pc = *r0++ > dither[x & 15]; |
2505 | pm = *r0++ > dither[x & 15]; | |
2506 | py = *r0++ > dither[x & 15]; | |
2507 | ||
2508 | if (pc && pm && py) | |
2509 | *kptr ^= bitmask; | |
2510 | else | |
2511 | { | |
2512 | if (pc) | |
2513 | *cptr ^= bitmask; | |
2514 | if (pm) | |
2515 | *mptr ^= bitmask; | |
2516 | if (py) | |
2517 | *yptr ^= bitmask; | |
2518 | } | |
ef416fc2 | 2519 | |
2520 | if (bitmask > 1) | |
2521 | bitmask >>= 1; | |
2522 | else | |
2523 | { | |
2524 | bitmask = 0x80; | |
2525 | cptr ++; | |
2526 | mptr ++; | |
2527 | yptr ++; | |
2528 | kptr ++; | |
2529 | } | |
2530 | } | |
2531 | break; | |
2532 | ||
2533 | case 2 : | |
f301802f | 2534 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 2535 | dither = Floyd8x8[y & 7]; |
2536 | ||
2537 | for (x = xsize; x > 0; x --) | |
2538 | { | |
2539 | if ((*r0 & 63) > dither[x & 7]) | |
2540 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
2541 | else | |
2542 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
2543 | ||
2544 | if ((*r0 & 63) > dither[x & 7]) | |
2545 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
2546 | else | |
2547 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
2548 | ||
2549 | if ((*r0 & 63) > dither[x & 7]) | |
2550 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
2551 | else | |
2552 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
2553 | ||
2554 | if ((*r0 & 63) > dither[x & 7]) | |
2555 | *kptr ^= (bitmask & OnPixels[*r0++]); | |
2556 | else | |
2557 | *kptr ^= (bitmask & OffPixels[*r0++]); | |
2558 | ||
2559 | if (bitmask > 3) | |
2560 | bitmask >>= 2; | |
2561 | else | |
2562 | { | |
f301802f | 2563 | bitmask = 0xc0; |
ef416fc2 | 2564 | |
2565 | cptr ++; | |
2566 | mptr ++; | |
2567 | yptr ++; | |
2568 | kptr ++; | |
2569 | } | |
2570 | } | |
2571 | break; | |
2572 | ||
2573 | case 4 : | |
2574 | bitmask = 0xf0 >> (bitoffset & 7); | |
2575 | dither = Floyd4x4[y & 3]; | |
2576 | ||
2577 | for (x = xsize; x > 0; x --) | |
2578 | { | |
2579 | if ((*r0 & 15) > dither[x & 3]) | |
2580 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
2581 | else | |
2582 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
2583 | ||
2584 | if ((*r0 & 15) > dither[x & 3]) | |
2585 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
2586 | else | |
2587 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
2588 | ||
2589 | if ((*r0 & 15) > dither[x & 3]) | |
2590 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
2591 | else | |
2592 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
2593 | ||
2594 | if ((*r0 & 15) > dither[x & 3]) | |
2595 | *kptr ^= (bitmask & OnPixels[*r0++]); | |
2596 | else | |
2597 | *kptr ^= (bitmask & OffPixels[*r0++]); | |
2598 | ||
2599 | if (bitmask == 0xf0) | |
2600 | bitmask = 0x0f; | |
2601 | else | |
2602 | { | |
2603 | bitmask = 0xf0; | |
2604 | ||
2605 | cptr ++; | |
2606 | mptr ++; | |
2607 | yptr ++; | |
2608 | kptr ++; | |
2609 | } | |
2610 | } | |
2611 | break; | |
2612 | ||
2613 | case 8 : | |
2614 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
2615 | { | |
2616 | if (r0[0] == r1[0]) | |
2617 | *cptr++ = r0[0]; | |
2618 | else | |
2619 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
2620 | ||
2621 | if (r0[1] == r1[1]) | |
2622 | *mptr++ = r0[1]; | |
2623 | else | |
2624 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
2625 | ||
2626 | if (r0[2] == r1[2]) | |
2627 | *yptr++ = r0[2]; | |
2628 | else | |
2629 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
2630 | ||
2631 | if (r0[3] == r1[3]) | |
2632 | *kptr++ = r0[3]; | |
2633 | else | |
2634 | *kptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize; | |
2635 | } | |
2636 | break; | |
2637 | } | |
2638 | break; | |
2639 | ||
2640 | case CUPS_ORDER_PLANAR : | |
2641 | switch (header->cupsBitsPerColor) | |
2642 | { | |
2643 | case 1 : | |
2644 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 2645 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 2646 | |
f301802f | 2647 | for (x = xsize; x > 0; x --) |
ef416fc2 | 2648 | { |
f301802f | 2649 | pc = *r0++ > dither[x & 15]; |
2650 | pm = *r0++ > dither[x & 15]; | |
2651 | py = *r0++ > dither[x & 15]; | |
2652 | ||
2653 | if ((pc && pm && py && z == 0) || | |
2654 | (pc && z == 1) || (pm && z == 2) || (py && z == 3)) | |
ef416fc2 | 2655 | *ptr ^= bitmask; |
2656 | ||
2657 | if (bitmask > 1) | |
2658 | bitmask >>= 1; | |
2659 | else | |
2660 | { | |
2661 | bitmask = 0x80; | |
2662 | ptr ++; | |
2663 | } | |
2664 | } | |
2665 | break; | |
2666 | ||
2667 | case 2 : | |
f301802f | 2668 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 2669 | dither = Floyd8x8[y & 7]; |
2670 | if (z == 0) | |
2671 | r0 += 3; | |
2672 | else | |
2673 | r0 += z - 1; | |
2674 | ||
2675 | for (x = xsize; x > 0; x --, r0 += 4) | |
2676 | { | |
2677 | if ((*r0 & 63) > dither[x & 7]) | |
2678 | *ptr ^= (bitmask & OnPixels[*r0]); | |
2679 | else | |
2680 | *ptr ^= (bitmask & OffPixels[*r0]); | |
2681 | ||
2682 | if (bitmask > 3) | |
2683 | bitmask >>= 2; | |
2684 | else | |
2685 | { | |
f301802f | 2686 | bitmask = 0xc0; |
ef416fc2 | 2687 | |
2688 | ptr ++; | |
2689 | } | |
2690 | } | |
2691 | break; | |
2692 | ||
2693 | case 4 : | |
2694 | bitmask = 0xf0 >> (bitoffset & 7); | |
2695 | dither = Floyd4x4[y & 3]; | |
2696 | if (z == 0) | |
2697 | r0 += 3; | |
2698 | else | |
2699 | r0 += z - 1; | |
2700 | ||
2701 | for (x = xsize; x > 0; x --, r0 += 4) | |
2702 | { | |
2703 | if ((*r0 & 15) > dither[x & 3]) | |
2704 | *ptr ^= (bitmask & OnPixels[*r0]); | |
2705 | else | |
2706 | *ptr ^= (bitmask & OffPixels[*r0]); | |
2707 | ||
2708 | if (bitmask == 0xf0) | |
2709 | bitmask = 0x0f; | |
2710 | else | |
2711 | { | |
2712 | bitmask = 0xf0; | |
2713 | ||
2714 | ptr ++; | |
2715 | } | |
2716 | } | |
2717 | break; | |
2718 | ||
2719 | case 8 : | |
2720 | if (z == 0) | |
2721 | { | |
2722 | r0 += 3; | |
2723 | r1 += 3; | |
2724 | } | |
2725 | else | |
2726 | { | |
2727 | r0 += z - 1; | |
2728 | r1 += z - 1; | |
2729 | } | |
2730 | ||
2731 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
2732 | { | |
2733 | if (*r0 == *r1) | |
2734 | *ptr++ = *r0; | |
2735 | else | |
2736 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
2737 | } | |
2738 | break; | |
2739 | } | |
2740 | break; | |
2741 | } | |
2742 | } | |
2743 | ||
2744 | ||
2745 | /* | |
2746 | * 'format_KCMYcm()' - Convert image data to KCMYcm. | |
2747 | */ | |
2748 | ||
2749 | static void | |
a74454a7 | 2750 | format_KCMYcm( |
2751 | cups_page_header2_t *header, /* I - Page header */ | |
2752 | unsigned char *row, /* IO - Bitmap data for device */ | |
2753 | int y, /* I - Current row */ | |
2754 | int z, /* I - Current plane */ | |
2755 | int xsize, /* I - Width of image data */ | |
2756 | int ysize, /* I - Height of image data */ | |
2757 | int yerr0, /* I - Top Y error */ | |
2758 | int yerr1, /* I - Bottom Y error */ | |
2759 | cups_ib_t *r0, /* I - Primary image data */ | |
2760 | cups_ib_t *r1) /* I - Image data for interpolation */ | |
ef416fc2 | 2761 | { |
a74454a7 | 2762 | int pc, pm, py, pk; /* Cyan, magenta, yellow, and black values */ |
2763 | cups_ib_t *ptr, /* Pointer into row */ | |
2764 | *cptr, /* Pointer into cyan */ | |
2765 | *mptr, /* Pointer into magenta */ | |
2766 | *yptr, /* Pointer into yellow */ | |
2767 | *kptr, /* Pointer into black */ | |
2768 | *lcptr, /* Pointer into light cyan */ | |
2769 | *lmptr, /* Pointer into light magenta */ | |
2770 | bitmask; /* Current mask for pixel */ | |
2771 | int bitoffset; /* Current offset in line */ | |
2772 | int bandwidth; /* Width of a color band */ | |
2773 | int x, /* Current X coordinate on page */ | |
2774 | *dither; /* Pointer into dither array */ | |
ef416fc2 | 2775 | |
2776 | ||
2777 | switch (XPosition) | |
2778 | { | |
2779 | case -1 : | |
2780 | bitoffset = 0; | |
2781 | break; | |
2782 | default : | |
2783 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); | |
2784 | break; | |
2785 | case 1 : | |
2786 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
2787 | break; | |
2788 | } | |
2789 | ||
f301802f | 2790 | ptr = row + bitoffset / 8; |
2791 | bandwidth = header->cupsBytesPerLine / 6; | |
ef416fc2 | 2792 | |
2793 | switch (header->cupsColorOrder) | |
2794 | { | |
2795 | case CUPS_ORDER_CHUNKED : | |
f301802f | 2796 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 2797 | |
f301802f | 2798 | for (x = xsize ; x > 0; x --) |
2799 | { | |
2800 | pc = *r0++ > dither[x & 15]; | |
2801 | pm = *r0++ > dither[x & 15]; | |
2802 | py = *r0++ > dither[x & 15]; | |
2803 | pk = pc && pm && py; | |
2804 | ||
2805 | if (pk) | |
2806 | *ptr++ ^= 32; /* Black */ | |
2807 | else if (pc && pm) | |
2808 | *ptr++ ^= 17; /* Blue (cyan + light magenta) */ | |
2809 | else if (pc && py) | |
2810 | *ptr++ ^= 6; /* Green (light cyan + yellow) */ | |
2811 | else if (pm && py) | |
2812 | *ptr++ ^= 12; /* Red (magenta + yellow) */ | |
2813 | else if (pc) | |
2814 | *ptr++ ^= 16; | |
2815 | else if (pm) | |
2816 | *ptr++ ^= 8; | |
2817 | else if (py) | |
2818 | *ptr++ ^= 4; | |
2819 | else | |
2820 | ptr ++; | |
ef416fc2 | 2821 | } |
2822 | break; | |
2823 | ||
2824 | case CUPS_ORDER_BANDED : | |
2825 | kptr = ptr; | |
2826 | cptr = ptr + bandwidth; | |
2827 | mptr = ptr + 2 * bandwidth; | |
2828 | yptr = ptr + 3 * bandwidth; | |
2829 | lcptr = ptr + 4 * bandwidth; | |
2830 | lmptr = ptr + 5 * bandwidth; | |
2831 | ||
f301802f | 2832 | bitmask = 0x80 >> (bitoffset & 7); |
2833 | dither = Floyd16x16[y & 15]; | |
ef416fc2 | 2834 | |
f301802f | 2835 | for (x = xsize; x > 0; x --) |
2836 | { | |
2837 | pc = *r0++ > dither[x & 15]; | |
2838 | pm = *r0++ > dither[x & 15]; | |
2839 | py = *r0++ > dither[x & 15]; | |
2840 | pk = pc && pm && py; | |
2841 | ||
2842 | if (pk) | |
2843 | *kptr ^= bitmask; /* Black */ | |
2844 | else if (pc && pm) | |
2845 | { | |
2846 | *cptr ^= bitmask; /* Blue (cyan + light magenta) */ | |
2847 | *lmptr ^= bitmask; | |
2848 | } | |
2849 | else if (pc && py) | |
2850 | { | |
2851 | *lcptr ^= bitmask; /* Green (light cyan + yellow) */ | |
2852 | *yptr ^= bitmask; | |
2853 | } | |
2854 | else if (pm && py) | |
2855 | { | |
2856 | *mptr ^= bitmask; /* Red (magenta + yellow) */ | |
2857 | *yptr ^= bitmask; | |
2858 | } | |
2859 | else if (pc) | |
2860 | *cptr ^= bitmask; | |
2861 | else if (pm) | |
2862 | *mptr ^= bitmask; | |
2863 | else if (py) | |
2864 | *yptr ^= bitmask; | |
ef416fc2 | 2865 | |
f301802f | 2866 | if (bitmask > 1) |
2867 | bitmask >>= 1; | |
2868 | else | |
2869 | { | |
2870 | bitmask = 0x80; | |
2871 | cptr ++; | |
2872 | mptr ++; | |
2873 | yptr ++; | |
2874 | kptr ++; | |
2875 | lcptr ++; | |
2876 | lmptr ++; | |
2877 | } | |
2878 | } | |
ef416fc2 | 2879 | break; |
2880 | ||
2881 | case CUPS_ORDER_PLANAR : | |
f301802f | 2882 | bitmask = 0x80 >> (bitoffset & 7); |
2883 | dither = Floyd16x16[y & 15]; | |
ef416fc2 | 2884 | |
f301802f | 2885 | for (x = xsize; x > 0; x --) |
2886 | { | |
2887 | pc = *r0++ > dither[x & 15]; | |
2888 | pm = *r0++ > dither[x & 15]; | |
2889 | py = *r0++ > dither[x & 15]; | |
2890 | pk = pc && pm && py; | |
ef416fc2 | 2891 | |
f301802f | 2892 | if (pk && z == 0) |
2893 | *ptr ^= bitmask; | |
2894 | else if (pc && pm && (z == 1 || z == 5)) | |
2895 | *ptr ^= bitmask; /* Blue (cyan + light magenta) */ | |
2896 | else if (pc && py && (z == 3 || z == 4)) | |
2897 | *ptr ^= bitmask; /* Green (light cyan + yellow) */ | |
2898 | else if (pm && py && (z == 2 || z == 3)) | |
2899 | *ptr ^= bitmask; /* Red (magenta + yellow) */ | |
2900 | else if (pc && z == 1) | |
2901 | *ptr ^= bitmask; | |
2902 | else if (pm && z == 2) | |
2903 | *ptr ^= bitmask; | |
2904 | else if (py && z == 3) | |
2905 | *ptr ^= bitmask; | |
ef416fc2 | 2906 | |
f301802f | 2907 | if (bitmask > 1) |
2908 | bitmask >>= 1; | |
2909 | else | |
2910 | { | |
2911 | bitmask = 0x80; | |
2912 | ptr ++; | |
2913 | } | |
2914 | } | |
ef416fc2 | 2915 | break; |
2916 | } | |
2917 | } | |
2918 | ||
2919 | ||
2920 | /* | |
2921 | * 'format_RGBA()' - Convert image data to RGBA/RGBW. | |
2922 | */ | |
2923 | ||
2924 | static void | |
a74454a7 | 2925 | format_RGBA(cups_page_header2_t *header,/* I - Page header */ |
ef416fc2 | 2926 | unsigned char *row, /* IO - Bitmap data for device */ |
2927 | int y, /* I - Current row */ | |
2928 | int z, /* I - Current plane */ | |
2929 | int xsize, /* I - Width of image data */ | |
2930 | int ysize, /* I - Height of image data */ | |
2931 | int yerr0, /* I - Top Y error */ | |
2932 | int yerr1, /* I - Bottom Y error */ | |
a74454a7 | 2933 | cups_ib_t *r0, /* I - Primary image data */ |
2934 | cups_ib_t *r1) /* I - Image data for interpolation */ | |
ef416fc2 | 2935 | { |
a74454a7 | 2936 | cups_ib_t *ptr, /* Pointer into row */ |
2937 | *cptr, /* Pointer into cyan */ | |
2938 | *mptr, /* Pointer into magenta */ | |
2939 | *yptr, /* Pointer into yellow */ | |
2940 | bitmask; /* Current mask for pixel */ | |
2941 | int bitoffset; /* Current offset in line */ | |
2942 | int bandwidth; /* Width of a color band */ | |
2943 | int x, /* Current X coordinate on page */ | |
2944 | *dither; /* Pointer into dither array */ | |
ef416fc2 | 2945 | |
2946 | ||
2947 | switch (XPosition) | |
2948 | { | |
2949 | case -1 : | |
2950 | bitoffset = 0; | |
2951 | break; | |
2952 | default : | |
2953 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); | |
2954 | break; | |
2955 | case 1 : | |
2956 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
2957 | break; | |
2958 | } | |
2959 | ||
2960 | ptr = row + bitoffset / 8; | |
2961 | bandwidth = header->cupsBytesPerLine / 4; | |
2962 | ||
2963 | switch (header->cupsColorOrder) | |
2964 | { | |
2965 | case CUPS_ORDER_CHUNKED : | |
2966 | switch (header->cupsBitsPerColor) | |
2967 | { | |
2968 | case 1 : | |
2969 | bitmask = 128 >> (bitoffset & 7); | |
f301802f | 2970 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 2971 | |
2972 | for (x = xsize ; x > 0; x --) | |
2973 | { | |
2974 | if (*r0++ > dither[x & 15]) | |
2975 | *ptr ^= bitmask; | |
2976 | bitmask >>= 1; | |
2977 | ||
2978 | if (*r0++ > dither[x & 15]) | |
2979 | *ptr ^= bitmask; | |
2980 | bitmask >>= 1; | |
2981 | ||
2982 | if (*r0++ > dither[x & 15]) | |
2983 | *ptr ^= bitmask; | |
2984 | ||
2985 | if (bitmask > 2) | |
ef416fc2 | 2986 | bitmask >>= 2; |
ef416fc2 | 2987 | else |
2988 | { | |
2989 | bitmask = 128; | |
f301802f | 2990 | ptr ++; |
ef416fc2 | 2991 | } |
2992 | } | |
2993 | break; | |
2994 | ||
2995 | case 2 : | |
2996 | dither = Floyd8x8[y & 7]; | |
2997 | ||
2998 | for (x = xsize ; x > 0; x --, r0 += 3) | |
2999 | { | |
3000 | if ((r0[0] & 63) > dither[x & 7]) | |
f301802f | 3001 | *ptr ^= (0xc0 & OnPixels[r0[0]]); |
ef416fc2 | 3002 | else |
f301802f | 3003 | *ptr ^= (0xc0 & OffPixels[r0[0]]); |
ef416fc2 | 3004 | |
3005 | if ((r0[1] & 63) > dither[x & 7]) | |
3006 | *ptr ^= (0x30 & OnPixels[r0[1]]); | |
3007 | else | |
3008 | *ptr ^= (0x30 & OffPixels[r0[1]]); | |
3009 | ||
3010 | if ((r0[2] & 63) > dither[x & 7]) | |
3011 | *ptr ^= (0x0c & OnPixels[r0[2]]); | |
3012 | else | |
3013 | *ptr ^= (0x0c & OffPixels[r0[2]]); | |
3014 | ||
f301802f | 3015 | ptr ++; |
ef416fc2 | 3016 | } |
3017 | break; | |
3018 | ||
3019 | case 4 : | |
3020 | dither = Floyd4x4[y & 3]; | |
3021 | ||
3022 | for (x = xsize ; x > 0; x --, r0 += 3) | |
3023 | { | |
3024 | if ((r0[0] & 15) > dither[x & 3]) | |
3025 | *ptr ^= (0xf0 & OnPixels[r0[0]]); | |
3026 | else | |
3027 | *ptr ^= (0xf0 & OffPixels[r0[0]]); | |
3028 | ||
3029 | if ((r0[1] & 15) > dither[x & 3]) | |
3030 | *ptr++ ^= (0x0f & OnPixels[r0[1]]); | |
3031 | else | |
3032 | *ptr++ ^= (0x0f & OffPixels[r0[1]]); | |
3033 | ||
3034 | if ((r0[2] & 15) > dither[x & 3]) | |
3035 | *ptr ^= (0xf0 & OnPixels[r0[2]]); | |
3036 | else | |
3037 | *ptr ^= (0xf0 & OffPixels[r0[2]]); | |
3038 | ||
f301802f | 3039 | ptr ++; |
ef416fc2 | 3040 | } |
3041 | break; | |
3042 | ||
3043 | case 8 : | |
3044 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
3045 | { | |
3046 | if (r0[0] == r1[0]) | |
3047 | *ptr++ = r0[0]; | |
3048 | else | |
3049 | *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
3050 | ||
3051 | if (r0[1] == r1[1]) | |
3052 | *ptr++ = r0[1]; | |
3053 | else | |
3054 | *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
3055 | ||
3056 | if (r0[2] == r1[2]) | |
3057 | *ptr++ = r0[2]; | |
3058 | else | |
3059 | *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
3060 | ||
f301802f | 3061 | ptr ++; |
ef416fc2 | 3062 | } |
3063 | break; | |
3064 | } | |
3065 | break; | |
3066 | ||
3067 | case CUPS_ORDER_BANDED : | |
3068 | cptr = ptr; | |
3069 | mptr = ptr + bandwidth; | |
3070 | yptr = ptr + 2 * bandwidth; | |
3071 | ||
3072 | memset(ptr + 3 * bandwidth, 255, bandwidth); | |
3073 | ||
3074 | switch (header->cupsBitsPerColor) | |
3075 | { | |
3076 | case 1 : | |
3077 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 3078 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 3079 | |
3080 | for (x = xsize; x > 0; x --) | |
3081 | { | |
3082 | if (*r0++ > dither[x & 15]) | |
3083 | *cptr ^= bitmask; | |
3084 | if (*r0++ > dither[x & 15]) | |
3085 | *mptr ^= bitmask; | |
3086 | if (*r0++ > dither[x & 15]) | |
3087 | *yptr ^= bitmask; | |
3088 | ||
3089 | if (bitmask > 1) | |
3090 | bitmask >>= 1; | |
3091 | else | |
3092 | { | |
3093 | bitmask = 0x80; | |
3094 | cptr ++; | |
3095 | mptr ++; | |
3096 | yptr ++; | |
3097 | } | |
3098 | } | |
3099 | break; | |
3100 | ||
3101 | case 2 : | |
f301802f | 3102 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 3103 | dither = Floyd8x8[y & 7]; |
3104 | ||
3105 | for (x = xsize; x > 0; x --) | |
3106 | { | |
3107 | if ((*r0 & 63) > dither[x & 7]) | |
3108 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
3109 | else | |
3110 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
3111 | ||
3112 | if ((*r0 & 63) > dither[x & 7]) | |
3113 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
3114 | else | |
3115 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
3116 | ||
3117 | if ((*r0 & 63) > dither[x & 7]) | |
3118 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
3119 | else | |
3120 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
3121 | ||
3122 | if (bitmask > 3) | |
3123 | bitmask >>= 2; | |
3124 | else | |
3125 | { | |
f301802f | 3126 | bitmask = 0xc0; |
ef416fc2 | 3127 | |
3128 | cptr ++; | |
3129 | mptr ++; | |
3130 | yptr ++; | |
3131 | } | |
3132 | } | |
3133 | break; | |
3134 | ||
3135 | case 4 : | |
3136 | bitmask = 0xf0 >> (bitoffset & 7); | |
3137 | dither = Floyd4x4[y & 3]; | |
3138 | ||
3139 | for (x = xsize; x > 0; x --) | |
3140 | { | |
3141 | if ((*r0 & 15) > dither[x & 3]) | |
3142 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
3143 | else | |
3144 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
3145 | ||
3146 | if ((*r0 & 15) > dither[x & 3]) | |
3147 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
3148 | else | |
3149 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
3150 | ||
3151 | if ((*r0 & 15) > dither[x & 3]) | |
3152 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
3153 | else | |
3154 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
3155 | ||
3156 | if (bitmask == 0xf0) | |
3157 | bitmask = 0x0f; | |
3158 | else | |
3159 | { | |
3160 | bitmask = 0xf0; | |
3161 | ||
3162 | cptr ++; | |
3163 | mptr ++; | |
3164 | yptr ++; | |
3165 | } | |
3166 | } | |
3167 | break; | |
3168 | ||
3169 | case 8 : | |
3170 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
3171 | { | |
3172 | if (r0[0] == r1[0]) | |
3173 | *cptr++ = r0[0]; | |
3174 | else | |
3175 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
3176 | ||
3177 | if (r0[1] == r1[1]) | |
3178 | *mptr++ = r0[1]; | |
3179 | else | |
3180 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
3181 | ||
3182 | if (r0[2] == r1[2]) | |
3183 | *yptr++ = r0[2]; | |
3184 | else | |
3185 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
3186 | } | |
3187 | break; | |
3188 | } | |
3189 | break; | |
3190 | ||
3191 | case CUPS_ORDER_PLANAR : | |
3192 | if (z == 3) | |
3193 | { | |
3194 | memset(row, 255, header->cupsBytesPerLine); | |
3195 | break; | |
3196 | } | |
3197 | ||
3198 | switch (header->cupsBitsPerColor) | |
3199 | { | |
3200 | case 1 : | |
3201 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 3202 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 3203 | |
3204 | switch (z) | |
3205 | { | |
3206 | case 0 : | |
3207 | for (x = xsize; x > 0; x --, r0 += 3) | |
3208 | { | |
3209 | if (r0[0] > dither[x & 15]) | |
3210 | *ptr ^= bitmask; | |
3211 | ||
3212 | if (bitmask > 1) | |
3213 | bitmask >>= 1; | |
3214 | else | |
3215 | { | |
3216 | bitmask = 0x80; | |
3217 | ptr ++; | |
3218 | } | |
3219 | } | |
3220 | break; | |
3221 | ||
3222 | case 1 : | |
3223 | for (x = xsize; x > 0; x --, r0 += 3) | |
3224 | { | |
3225 | if (r0[1] > dither[x & 15]) | |
3226 | *ptr ^= bitmask; | |
3227 | ||
3228 | if (bitmask > 1) | |
3229 | bitmask >>= 1; | |
3230 | else | |
3231 | { | |
3232 | bitmask = 0x80; | |
3233 | ptr ++; | |
3234 | } | |
3235 | } | |
3236 | break; | |
3237 | ||
3238 | case 2 : | |
3239 | for (x = xsize; x > 0; x --, r0 += 3) | |
3240 | { | |
3241 | if (r0[2] > dither[x & 15]) | |
3242 | *ptr ^= bitmask; | |
3243 | ||
3244 | if (bitmask > 1) | |
3245 | bitmask >>= 1; | |
3246 | else | |
3247 | { | |
3248 | bitmask = 0x80; | |
3249 | ptr ++; | |
3250 | } | |
3251 | } | |
3252 | break; | |
3253 | } | |
3254 | break; | |
3255 | ||
3256 | case 2 : | |
f301802f | 3257 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 3258 | dither = Floyd8x8[y & 7]; |
3259 | r0 += z; | |
3260 | ||
3261 | for (x = xsize; x > 0; x --, r0 += 3) | |
3262 | { | |
3263 | if ((*r0 & 63) > dither[x & 7]) | |
3264 | *ptr ^= (bitmask & OnPixels[*r0]); | |
3265 | else | |
3266 | *ptr ^= (bitmask & OffPixels[*r0]); | |
3267 | ||
3268 | if (bitmask > 3) | |
3269 | bitmask >>= 2; | |
3270 | else | |
3271 | { | |
f301802f | 3272 | bitmask = 0xc0; |
ef416fc2 | 3273 | |
3274 | ptr ++; | |
3275 | } | |
3276 | } | |
3277 | break; | |
3278 | ||
3279 | case 4 : | |
3280 | bitmask = 0xf0 >> (bitoffset & 7); | |
3281 | dither = Floyd4x4[y & 3]; | |
3282 | r0 += z; | |
3283 | ||
3284 | for (x = xsize; x > 0; x --, r0 += 3) | |
3285 | { | |
3286 | if ((*r0 & 15) > dither[x & 3]) | |
3287 | *ptr ^= (bitmask & OnPixels[*r0]); | |
3288 | else | |
3289 | *ptr ^= (bitmask & OffPixels[*r0]); | |
3290 | ||
3291 | if (bitmask == 0xf0) | |
3292 | bitmask = 0x0f; | |
3293 | else | |
3294 | { | |
3295 | bitmask = 0xf0; | |
3296 | ||
3297 | ptr ++; | |
3298 | } | |
3299 | } | |
3300 | break; | |
3301 | ||
3302 | case 8 : | |
3303 | r0 += z; | |
3304 | r1 += z; | |
3305 | ||
3306 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
3307 | { | |
3308 | if (*r0 == *r1) | |
3309 | *ptr++ = *r0; | |
3310 | else | |
3311 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
3312 | } | |
3313 | break; | |
3314 | } | |
3315 | break; | |
3316 | } | |
3317 | } | |
3318 | ||
3319 | ||
3320 | /* | |
3321 | * 'format_W()' - Convert image data to luminance. | |
3322 | */ | |
3323 | ||
3324 | static void | |
3325 | format_W(cups_page_header2_t *header, /* I - Page header */ | |
3326 | unsigned char *row, /* IO - Bitmap data for device */ | |
3327 | int y, /* I - Current row */ | |
3328 | int z, /* I - Current plane */ | |
3329 | int xsize, /* I - Width of image data */ | |
3330 | int ysize, /* I - Height of image data */ | |
3331 | int yerr0, /* I - Top Y error */ | |
3332 | int yerr1, /* I - Bottom Y error */ | |
a74454a7 | 3333 | cups_ib_t *r0, /* I - Primary image data */ |
3334 | cups_ib_t *r1) /* I - Image data for interpolation */ | |
ef416fc2 | 3335 | { |
a74454a7 | 3336 | cups_ib_t *ptr, /* Pointer into row */ |
3337 | bitmask; /* Current mask for pixel */ | |
3338 | int bitoffset; /* Current offset in line */ | |
3339 | int x, /* Current X coordinate on page */ | |
3340 | *dither; /* Pointer into dither array */ | |
ef416fc2 | 3341 | |
3342 | ||
3343 | (void)z; | |
3344 | ||
3345 | switch (XPosition) | |
3346 | { | |
3347 | case -1 : | |
3348 | bitoffset = 0; | |
3349 | break; | |
3350 | default : | |
3351 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); | |
3352 | break; | |
3353 | case 1 : | |
3354 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
3355 | break; | |
3356 | } | |
3357 | ||
3358 | ptr = row + bitoffset / 8; | |
3359 | ||
3360 | switch (header->cupsBitsPerColor) | |
3361 | { | |
3362 | case 1 : | |
3363 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 3364 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 3365 | |
3366 | for (x = xsize; x > 0; x --) | |
3367 | { | |
3368 | if (*r0++ > dither[x & 15]) | |
3369 | *ptr ^= bitmask; | |
3370 | ||
3371 | if (bitmask > 1) | |
3372 | bitmask >>= 1; | |
3373 | else | |
3374 | { | |
3375 | bitmask = 0x80; | |
3376 | ptr ++; | |
3377 | } | |
3378 | } | |
3379 | break; | |
3380 | ||
3381 | case 2 : | |
f301802f | 3382 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 3383 | dither = Floyd8x8[y & 7]; |
3384 | ||
3385 | for (x = xsize; x > 0; x --) | |
3386 | { | |
3387 | if ((*r0 & 63) > dither[x & 7]) | |
3388 | *ptr ^= (bitmask & OnPixels[*r0++]); | |
3389 | else | |
3390 | *ptr ^= (bitmask & OffPixels[*r0++]); | |
3391 | ||
3392 | if (bitmask > 3) | |
3393 | bitmask >>= 2; | |
3394 | else | |
3395 | { | |
f301802f | 3396 | bitmask = 0xc0; |
ef416fc2 | 3397 | |
3398 | ptr ++; | |
3399 | } | |
3400 | } | |
3401 | break; | |
3402 | ||
3403 | case 4 : | |
3404 | bitmask = 0xf0 >> (bitoffset & 7); | |
3405 | dither = Floyd4x4[y & 3]; | |
3406 | ||
3407 | for (x = xsize; x > 0; x --) | |
3408 | { | |
3409 | if ((*r0 & 15) > dither[x & 3]) | |
3410 | *ptr ^= (bitmask & OnPixels[*r0++]); | |
3411 | else | |
3412 | *ptr ^= (bitmask & OffPixels[*r0++]); | |
3413 | ||
3414 | if (bitmask == 0xf0) | |
3415 | bitmask = 0x0f; | |
3416 | else | |
3417 | { | |
3418 | bitmask = 0xf0; | |
3419 | ||
3420 | ptr ++; | |
3421 | } | |
3422 | } | |
3423 | break; | |
3424 | ||
3425 | case 8 : | |
3426 | for (x = xsize; x > 0; x --, r0 ++, r1 ++) | |
3427 | { | |
3428 | if (*r0 == *r1) | |
3429 | *ptr++ = *r0; | |
3430 | else | |
3431 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
3432 | } | |
3433 | break; | |
3434 | } | |
3435 | } | |
3436 | ||
3437 | ||
3438 | /* | |
3439 | * 'format_YMC()' - Convert image data to YMC. | |
3440 | */ | |
3441 | ||
3442 | static void | |
3443 | format_YMC(cups_page_header2_t *header, /* I - Page header */ | |
3444 | unsigned char *row, /* IO - Bitmap data for device */ | |
3445 | int y, /* I - Current row */ | |
3446 | int z, /* I - Current plane */ | |
3447 | int xsize, /* I - Width of image data */ | |
3448 | int ysize, /* I - Height of image data */ | |
3449 | int yerr0, /* I - Top Y error */ | |
3450 | int yerr1, /* I - Bottom Y error */ | |
a74454a7 | 3451 | cups_ib_t *r0, /* I - Primary image data */ |
3452 | cups_ib_t *r1) /* I - Image data for interpolation */ | |
ef416fc2 | 3453 | { |
a74454a7 | 3454 | cups_ib_t *ptr, /* Pointer into row */ |
3455 | *cptr, /* Pointer into cyan */ | |
3456 | *mptr, /* Pointer into magenta */ | |
3457 | *yptr, /* Pointer into yellow */ | |
3458 | bitmask; /* Current mask for pixel */ | |
3459 | int bitoffset; /* Current offset in line */ | |
3460 | int bandwidth; /* Width of a color band */ | |
3461 | int x, /* Current X coordinate on page */ | |
3462 | *dither; /* Pointer into dither array */ | |
ef416fc2 | 3463 | |
3464 | ||
3465 | switch (XPosition) | |
3466 | { | |
3467 | case -1 : | |
3468 | bitoffset = 0; | |
3469 | break; | |
3470 | default : | |
3471 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); | |
3472 | break; | |
3473 | case 1 : | |
3474 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
3475 | break; | |
3476 | } | |
3477 | ||
3478 | ptr = row + bitoffset / 8; | |
3479 | bandwidth = header->cupsBytesPerLine / 3; | |
3480 | ||
3481 | switch (header->cupsColorOrder) | |
3482 | { | |
3483 | case CUPS_ORDER_CHUNKED : | |
3484 | switch (header->cupsBitsPerColor) | |
3485 | { | |
3486 | case 1 : | |
3487 | bitmask = 64 >> (bitoffset & 7); | |
f301802f | 3488 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 3489 | |
3490 | for (x = xsize ; x > 0; x --, r0 += 3) | |
3491 | { | |
3492 | if (r0[2] > dither[x & 15]) | |
3493 | *ptr ^= bitmask; | |
3494 | bitmask >>= 1; | |
3495 | ||
3496 | if (r0[1] > dither[x & 15]) | |
3497 | *ptr ^= bitmask; | |
3498 | bitmask >>= 1; | |
3499 | ||
3500 | if (r0[0] > dither[x & 15]) | |
3501 | *ptr ^= bitmask; | |
3502 | ||
3503 | if (bitmask > 1) | |
3504 | bitmask >>= 2; | |
3505 | else | |
3506 | { | |
3507 | bitmask = 64; | |
3508 | ptr ++; | |
3509 | } | |
3510 | } | |
3511 | break; | |
3512 | ||
3513 | case 2 : | |
3514 | dither = Floyd8x8[y & 7]; | |
3515 | ||
3516 | for (x = xsize ; x > 0; x --, r0 += 3) | |
3517 | { | |
3518 | if ((r0[2] & 63) > dither[x & 7]) | |
3519 | *ptr ^= (0x30 & OnPixels[r0[2]]); | |
3520 | else | |
3521 | *ptr ^= (0x30 & OffPixels[r0[2]]); | |
3522 | ||
3523 | if ((r0[1] & 63) > dither[x & 7]) | |
3524 | *ptr ^= (0x0c & OnPixels[r0[1]]); | |
3525 | else | |
3526 | *ptr ^= (0x0c & OffPixels[r0[1]]); | |
3527 | ||
3528 | if ((r0[0] & 63) > dither[x & 7]) | |
3529 | *ptr++ ^= (0x03 & OnPixels[r0[0]]); | |
3530 | else | |
3531 | *ptr++ ^= (0x03 & OffPixels[r0[0]]); | |
3532 | } | |
3533 | break; | |
3534 | ||
3535 | case 4 : | |
3536 | dither = Floyd4x4[y & 3]; | |
3537 | ||
3538 | for (x = xsize ; x > 0; x --, r0 += 3) | |
3539 | { | |
3540 | if ((r0[2] & 15) > dither[x & 3]) | |
3541 | *ptr++ ^= (0x0f & OnPixels[r0[2]]); | |
3542 | else | |
3543 | *ptr++ ^= (0x0f & OffPixels[r0[2]]); | |
3544 | ||
3545 | if ((r0[1] & 15) > dither[x & 3]) | |
3546 | *ptr ^= (0xf0 & OnPixels[r0[1]]); | |
3547 | else | |
3548 | *ptr ^= (0xf0 & OffPixels[r0[1]]); | |
3549 | ||
3550 | if ((r0[0] & 15) > dither[x & 3]) | |
3551 | *ptr++ ^= (0x0f & OnPixels[r0[0]]); | |
3552 | else | |
3553 | *ptr++ ^= (0x0f & OffPixels[r0[0]]); | |
3554 | } | |
3555 | break; | |
3556 | ||
3557 | case 8 : | |
3558 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
3559 | { | |
3560 | if (r0[2] == r1[2]) | |
3561 | *ptr++ = r0[2]; | |
3562 | else | |
3563 | *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
3564 | ||
3565 | if (r0[1] == r1[1]) | |
3566 | *ptr++ = r0[1]; | |
3567 | else | |
3568 | *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
3569 | ||
3570 | if (r0[0] == r1[0]) | |
3571 | *ptr++ = r0[0]; | |
3572 | else | |
3573 | *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
3574 | } | |
3575 | break; | |
3576 | } | |
3577 | break; | |
3578 | ||
3579 | case CUPS_ORDER_BANDED : | |
3580 | yptr = ptr; | |
3581 | mptr = ptr + bandwidth; | |
3582 | cptr = ptr + 2 * bandwidth; | |
3583 | ||
3584 | switch (header->cupsBitsPerColor) | |
3585 | { | |
3586 | case 1 : | |
3587 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 3588 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 3589 | |
3590 | for (x = xsize; x > 0; x --) | |
3591 | { | |
3592 | if (*r0++ > dither[x & 15]) | |
3593 | *cptr ^= bitmask; | |
3594 | if (*r0++ > dither[x & 15]) | |
3595 | *mptr ^= bitmask; | |
3596 | if (*r0++ > dither[x & 15]) | |
3597 | *yptr ^= bitmask; | |
3598 | ||
3599 | if (bitmask > 1) | |
3600 | bitmask >>= 1; | |
3601 | else | |
3602 | { | |
3603 | bitmask = 0x80; | |
3604 | cptr ++; | |
3605 | mptr ++; | |
3606 | yptr ++; | |
3607 | } | |
3608 | } | |
3609 | break; | |
3610 | ||
3611 | case 2 : | |
f301802f | 3612 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 3613 | dither = Floyd8x8[y & 7]; |
3614 | ||
3615 | for (x = xsize; x > 0; x --) | |
3616 | { | |
3617 | if ((*r0 & 63) > dither[x & 7]) | |
3618 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
3619 | else | |
3620 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
3621 | ||
3622 | if ((*r0 & 63) > dither[x & 7]) | |
3623 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
3624 | else | |
3625 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
3626 | ||
3627 | if ((*r0 & 63) > dither[x & 7]) | |
3628 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
3629 | else | |
3630 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
3631 | ||
3632 | if (bitmask > 3) | |
3633 | bitmask >>= 2; | |
3634 | else | |
3635 | { | |
f301802f | 3636 | bitmask = 0xc0; |
ef416fc2 | 3637 | |
3638 | cptr ++; | |
3639 | mptr ++; | |
3640 | yptr ++; | |
3641 | } | |
3642 | } | |
3643 | break; | |
3644 | ||
3645 | case 4 : | |
3646 | bitmask = 0xf0 >> (bitoffset & 7); | |
3647 | dither = Floyd4x4[y & 3]; | |
3648 | ||
3649 | for (x = xsize; x > 0; x --) | |
3650 | { | |
3651 | if ((*r0 & 15) > dither[x & 3]) | |
3652 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
3653 | else | |
3654 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
3655 | ||
3656 | if ((*r0 & 15) > dither[x & 3]) | |
3657 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
3658 | else | |
3659 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
3660 | ||
3661 | if ((*r0 & 15) > dither[x & 3]) | |
3662 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
3663 | else | |
3664 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
3665 | ||
3666 | if (bitmask == 0xf0) | |
3667 | bitmask = 0x0f; | |
3668 | else | |
3669 | { | |
3670 | bitmask = 0xf0; | |
3671 | ||
3672 | cptr ++; | |
3673 | mptr ++; | |
3674 | yptr ++; | |
3675 | } | |
3676 | } | |
3677 | break; | |
3678 | ||
3679 | case 8 : | |
3680 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
3681 | { | |
3682 | if (r0[0] == r1[0]) | |
3683 | *cptr++ = r0[0]; | |
3684 | else | |
3685 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
3686 | ||
3687 | if (r0[1] == r1[1]) | |
3688 | *mptr++ = r0[1]; | |
3689 | else | |
3690 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
3691 | ||
3692 | if (r0[2] == r1[2]) | |
3693 | *yptr++ = r0[2]; | |
3694 | else | |
3695 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
3696 | } | |
3697 | break; | |
3698 | } | |
3699 | break; | |
3700 | ||
3701 | case CUPS_ORDER_PLANAR : | |
3702 | switch (header->cupsBitsPerColor) | |
3703 | { | |
3704 | case 1 : | |
3705 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 3706 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 3707 | |
3708 | switch (z) | |
3709 | { | |
3710 | case 2 : | |
3711 | for (x = xsize; x > 0; x --, r0 += 3) | |
3712 | { | |
3713 | if (r0[0] > dither[x & 15]) | |
3714 | *ptr ^= bitmask; | |
3715 | ||
3716 | if (bitmask > 1) | |
3717 | bitmask >>= 1; | |
3718 | else | |
3719 | { | |
3720 | bitmask = 0x80; | |
3721 | ptr ++; | |
3722 | } | |
3723 | } | |
3724 | break; | |
3725 | ||
3726 | case 1 : | |
3727 | for (x = xsize; x > 0; x --, r0 += 3) | |
3728 | { | |
3729 | if (r0[1] > dither[x & 15]) | |
3730 | *ptr ^= bitmask; | |
3731 | ||
3732 | if (bitmask > 1) | |
3733 | bitmask >>= 1; | |
3734 | else | |
3735 | { | |
3736 | bitmask = 0x80; | |
3737 | ptr ++; | |
3738 | } | |
3739 | } | |
3740 | break; | |
3741 | ||
3742 | case 0 : | |
3743 | for (x = xsize; x > 0; x --, r0 += 3) | |
3744 | { | |
3745 | if (r0[2] > dither[x & 15]) | |
3746 | *ptr ^= bitmask; | |
3747 | ||
3748 | if (bitmask > 1) | |
3749 | bitmask >>= 1; | |
3750 | else | |
3751 | { | |
3752 | bitmask = 0x80; | |
3753 | ptr ++; | |
3754 | } | |
3755 | } | |
3756 | break; | |
3757 | } | |
3758 | break; | |
3759 | ||
3760 | case 2 : | |
f301802f | 3761 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 3762 | dither = Floyd8x8[y & 7]; |
3763 | z = 2 - z; | |
3764 | r0 += z; | |
3765 | ||
3766 | for (x = xsize; x > 0; x --, r0 += 3) | |
3767 | { | |
3768 | if ((*r0 & 63) > dither[x & 7]) | |
3769 | *ptr ^= (bitmask & OnPixels[*r0]); | |
3770 | else | |
3771 | *ptr ^= (bitmask & OffPixels[*r0]); | |
3772 | ||
3773 | if (bitmask > 3) | |
3774 | bitmask >>= 2; | |
3775 | else | |
3776 | { | |
f301802f | 3777 | bitmask = 0xc0; |
ef416fc2 | 3778 | |
3779 | ptr ++; | |
3780 | } | |
3781 | } | |
3782 | break; | |
3783 | ||
3784 | case 4 : | |
3785 | bitmask = 0xf0 >> (bitoffset & 7); | |
3786 | dither = Floyd4x4[y & 3]; | |
3787 | z = 2 - z; | |
3788 | r0 += z; | |
3789 | ||
3790 | for (x = xsize; x > 0; x --, r0 += 3) | |
3791 | { | |
3792 | if ((*r0 & 15) > dither[x & 3]) | |
3793 | *ptr ^= (bitmask & OnPixels[*r0]); | |
3794 | else | |
3795 | *ptr ^= (bitmask & OffPixels[*r0]); | |
3796 | ||
3797 | if (bitmask == 0xf0) | |
3798 | bitmask = 0x0f; | |
3799 | else | |
3800 | { | |
3801 | bitmask = 0xf0; | |
3802 | ||
3803 | ptr ++; | |
3804 | } | |
3805 | } | |
3806 | break; | |
3807 | ||
3808 | case 8 : | |
3809 | z = 2 - z; | |
3810 | r0 += z; | |
3811 | r1 += z; | |
3812 | ||
3813 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
3814 | { | |
3815 | if (*r0 == *r1) | |
3816 | *ptr++ = *r0; | |
3817 | else | |
3818 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
3819 | } | |
3820 | break; | |
3821 | } | |
3822 | break; | |
3823 | } | |
3824 | } | |
3825 | ||
3826 | ||
3827 | /* | |
3828 | * 'format_YMCK()' - Convert image data to YMCK. | |
3829 | */ | |
3830 | ||
3831 | static void | |
a74454a7 | 3832 | format_YMCK(cups_page_header2_t *header,/* I - Page header */ |
ef416fc2 | 3833 | unsigned char *row, /* IO - Bitmap data for device */ |
3834 | int y, /* I - Current row */ | |
3835 | int z, /* I - Current plane */ | |
3836 | int xsize, /* I - Width of image data */ | |
3837 | int ysize, /* I - Height of image data */ | |
3838 | int yerr0, /* I - Top Y error */ | |
3839 | int yerr1, /* I - Bottom Y error */ | |
a74454a7 | 3840 | cups_ib_t *r0, /* I - Primary image data */ |
3841 | cups_ib_t *r1) /* I - Image data for interpolation */ | |
ef416fc2 | 3842 | { |
a74454a7 | 3843 | cups_ib_t *ptr, /* Pointer into row */ |
3844 | *cptr, /* Pointer into cyan */ | |
3845 | *mptr, /* Pointer into magenta */ | |
3846 | *yptr, /* Pointer into yellow */ | |
3847 | *kptr, /* Pointer into black */ | |
3848 | bitmask; /* Current mask for pixel */ | |
3849 | int bitoffset; /* Current offset in line */ | |
3850 | int bandwidth; /* Width of a color band */ | |
3851 | int x, /* Current X coordinate on page */ | |
3852 | *dither; /* Pointer into dither array */ | |
f301802f | 3853 | int pc, pm, py; /* CMY pixels */ |
ef416fc2 | 3854 | |
3855 | ||
3856 | switch (XPosition) | |
3857 | { | |
3858 | case -1 : | |
3859 | bitoffset = 0; | |
3860 | break; | |
3861 | default : | |
3862 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); | |
3863 | break; | |
3864 | case 1 : | |
3865 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
3866 | break; | |
3867 | } | |
3868 | ||
3869 | ptr = row + bitoffset / 8; | |
3870 | bandwidth = header->cupsBytesPerLine / 4; | |
3871 | ||
3872 | switch (header->cupsColorOrder) | |
3873 | { | |
3874 | case CUPS_ORDER_CHUNKED : | |
3875 | switch (header->cupsBitsPerColor) | |
3876 | { | |
3877 | case 1 : | |
3878 | bitmask = 128 >> (bitoffset & 7); | |
f301802f | 3879 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 3880 | |
f301802f | 3881 | for (x = xsize ; x > 0; x --) |
ef416fc2 | 3882 | { |
f301802f | 3883 | pc = *r0++ > dither[x & 15]; |
3884 | pm = *r0++ > dither[x & 15]; | |
3885 | py = *r0++ > dither[x & 15]; | |
ef416fc2 | 3886 | |
f301802f | 3887 | if (pc && pm && py) |
3888 | { | |
3889 | bitmask >>= 3; | |
ef416fc2 | 3890 | *ptr ^= bitmask; |
f301802f | 3891 | } |
3892 | else | |
3893 | { | |
3894 | if (py) | |
3895 | *ptr ^= bitmask; | |
3896 | bitmask >>= 1; | |
ef416fc2 | 3897 | |
f301802f | 3898 | if (pm) |
3899 | *ptr ^= bitmask; | |
3900 | bitmask >>= 1; | |
ef416fc2 | 3901 | |
f301802f | 3902 | if (pc) |
3903 | *ptr ^= bitmask; | |
3904 | bitmask >>= 1; | |
3905 | } | |
ef416fc2 | 3906 | |
3907 | if (bitmask > 1) | |
3908 | bitmask >>= 1; | |
3909 | else | |
3910 | { | |
3911 | bitmask = 128; | |
3912 | ||
3913 | ptr ++; | |
3914 | } | |
3915 | } | |
3916 | break; | |
3917 | ||
3918 | case 2 : | |
3919 | dither = Floyd8x8[y & 7]; | |
3920 | ||
3921 | for (x = xsize ; x > 0; x --, r0 += 4) | |
3922 | { | |
3923 | if ((r0[2] & 63) > dither[x & 7]) | |
f301802f | 3924 | *ptr ^= (0xc0 & OnPixels[r0[2]]); |
ef416fc2 | 3925 | else |
f301802f | 3926 | *ptr ^= (0xc0 & OffPixels[r0[2]]); |
ef416fc2 | 3927 | |
3928 | if ((r0[1] & 63) > dither[x & 7]) | |
3929 | *ptr ^= (0x30 & OnPixels[r0[1]]); | |
3930 | else | |
3931 | *ptr ^= (0x30 & OffPixels[r0[1]]); | |
3932 | ||
3933 | if ((r0[0] & 63) > dither[x & 7]) | |
3934 | *ptr ^= (0x0c & OnPixels[r0[0]]); | |
3935 | else | |
3936 | *ptr ^= (0x0c & OffPixels[r0[0]]); | |
3937 | ||
3938 | if ((r0[3] & 63) > dither[x & 7]) | |
3939 | *ptr++ ^= (0x03 & OnPixels[r0[3]]); | |
3940 | else | |
3941 | *ptr++ ^= (0x03 & OffPixels[r0[3]]); | |
3942 | } | |
3943 | break; | |
3944 | ||
3945 | case 4 : | |
3946 | dither = Floyd4x4[y & 3]; | |
3947 | ||
3948 | for (x = xsize ; x > 0; x --, r0 += 4) | |
3949 | { | |
3950 | if ((r0[2] & 15) > dither[x & 3]) | |
3951 | *ptr ^= (0xf0 & OnPixels[r0[2]]); | |
3952 | else | |
3953 | *ptr ^= (0xf0 & OffPixels[r0[2]]); | |
3954 | ||
3955 | if ((r0[1] & 15) > dither[x & 3]) | |
3956 | *ptr++ ^= (0x0f & OnPixels[r0[1]]); | |
3957 | else | |
3958 | *ptr++ ^= (0x0f & OffPixels[r0[1]]); | |
3959 | ||
3960 | if ((r0[0] & 15) > dither[x & 3]) | |
3961 | *ptr ^= (0xf0 & OnPixels[r0[0]]); | |
3962 | else | |
3963 | *ptr ^= (0xf0 & OffPixels[r0[0]]); | |
3964 | ||
3965 | if ((r0[3] & 15) > dither[x & 3]) | |
3966 | *ptr++ ^= (0x0f & OnPixels[r0[3]]); | |
3967 | else | |
3968 | *ptr++ ^= (0x0f & OffPixels[r0[3]]); | |
3969 | } | |
3970 | break; | |
3971 | ||
3972 | case 8 : | |
3973 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
3974 | { | |
3975 | if (r0[2] == r1[2]) | |
3976 | *ptr++ = r0[2]; | |
3977 | else | |
3978 | *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
3979 | ||
3980 | if (r0[1] == r1[1]) | |
3981 | *ptr++ = r0[1]; | |
3982 | else | |
3983 | *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
3984 | ||
3985 | if (r0[0] == r1[0]) | |
3986 | *ptr++ = r0[0]; | |
3987 | else | |
3988 | *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
3989 | ||
3990 | if (r0[3] == r1[3]) | |
3991 | *ptr++ = r0[3]; | |
3992 | else | |
3993 | *ptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize; | |
3994 | } | |
3995 | break; | |
3996 | } | |
3997 | break; | |
3998 | ||
3999 | case CUPS_ORDER_BANDED : | |
4000 | yptr = ptr; | |
4001 | mptr = ptr + bandwidth; | |
4002 | cptr = ptr + 2 * bandwidth; | |
4003 | kptr = ptr + 3 * bandwidth; | |
4004 | ||
4005 | switch (header->cupsBitsPerColor) | |
4006 | { | |
4007 | case 1 : | |
4008 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 4009 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 4010 | |
4011 | for (x = xsize; x > 0; x --) | |
4012 | { | |
f301802f | 4013 | pc = *r0++ > dither[x & 15]; |
4014 | pm = *r0++ > dither[x & 15]; | |
4015 | py = *r0++ > dither[x & 15]; | |
4016 | ||
4017 | if (pc && pm && py) | |
4018 | *kptr ^= bitmask; | |
4019 | else | |
4020 | { | |
4021 | if (pc) | |
4022 | *cptr ^= bitmask; | |
4023 | if (pm) | |
4024 | *mptr ^= bitmask; | |
4025 | if (py) | |
4026 | *yptr ^= bitmask; | |
4027 | } | |
ef416fc2 | 4028 | |
4029 | if (bitmask > 1) | |
4030 | bitmask >>= 1; | |
4031 | else | |
4032 | { | |
4033 | bitmask = 0x80; | |
4034 | ||
4035 | cptr ++; | |
4036 | mptr ++; | |
4037 | yptr ++; | |
4038 | kptr ++; | |
4039 | } | |
4040 | } | |
4041 | break; | |
4042 | ||
4043 | case 2 : | |
f301802f | 4044 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 4045 | dither = Floyd8x8[y & 7]; |
4046 | ||
4047 | for (x = xsize; x > 0; x --) | |
4048 | { | |
4049 | if ((*r0 & 63) > dither[x & 7]) | |
4050 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
4051 | else | |
4052 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
4053 | ||
4054 | if ((*r0 & 63) > dither[x & 7]) | |
4055 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
4056 | else | |
4057 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
4058 | ||
4059 | if ((*r0 & 63) > dither[x & 7]) | |
4060 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
4061 | else | |
4062 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
4063 | ||
4064 | if ((*r0 & 63) > dither[x & 7]) | |
4065 | *kptr ^= (bitmask & OnPixels[*r0++]); | |
4066 | else | |
4067 | *kptr ^= (bitmask & OffPixels[*r0++]); | |
4068 | ||
4069 | if (bitmask > 3) | |
4070 | bitmask >>= 2; | |
4071 | else | |
4072 | { | |
f301802f | 4073 | bitmask = 0xc0; |
ef416fc2 | 4074 | |
4075 | cptr ++; | |
4076 | mptr ++; | |
4077 | yptr ++; | |
4078 | kptr ++; | |
4079 | } | |
4080 | } | |
4081 | break; | |
4082 | ||
4083 | case 4 : | |
4084 | bitmask = 0xf0 >> (bitoffset & 7); | |
4085 | dither = Floyd4x4[y & 3]; | |
4086 | ||
4087 | for (x = xsize; x > 0; x --) | |
4088 | { | |
4089 | if ((*r0 & 15) > dither[x & 3]) | |
4090 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
4091 | else | |
4092 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
4093 | ||
4094 | if ((*r0 & 15) > dither[x & 3]) | |
4095 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
4096 | else | |
4097 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
4098 | ||
4099 | if ((*r0 & 15) > dither[x & 3]) | |
4100 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
4101 | else | |
4102 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
4103 | ||
4104 | if ((*r0 & 15) > dither[x & 3]) | |
4105 | *kptr ^= (bitmask & OnPixels[*r0++]); | |
4106 | else | |
4107 | *kptr ^= (bitmask & OffPixels[*r0++]); | |
4108 | ||
4109 | if (bitmask == 0xf0) | |
4110 | bitmask = 0x0f; | |
4111 | else | |
4112 | { | |
4113 | bitmask = 0xf0; | |
4114 | ||
4115 | cptr ++; | |
4116 | mptr ++; | |
4117 | yptr ++; | |
4118 | kptr ++; | |
4119 | } | |
4120 | } | |
4121 | break; | |
4122 | ||
4123 | case 8 : | |
4124 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
4125 | { | |
4126 | if (r0[0] == r1[0]) | |
4127 | *cptr++ = r0[0]; | |
4128 | else | |
4129 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
4130 | ||
4131 | if (r0[1] == r1[1]) | |
4132 | *mptr++ = r0[1]; | |
4133 | else | |
4134 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
4135 | ||
4136 | if (r0[2] == r1[2]) | |
4137 | *yptr++ = r0[2]; | |
4138 | else | |
4139 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
4140 | ||
4141 | if (r0[3] == r1[3]) | |
4142 | *kptr++ = r0[3]; | |
4143 | else | |
4144 | *kptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize; | |
4145 | } | |
4146 | break; | |
4147 | } | |
4148 | break; | |
4149 | ||
4150 | case CUPS_ORDER_PLANAR : | |
4151 | switch (header->cupsBitsPerColor) | |
4152 | { | |
4153 | case 1 : | |
4154 | bitmask = 0x80 >> (bitoffset & 7); | |
f301802f | 4155 | dither = Floyd16x16[y & 15]; |
ef416fc2 | 4156 | |
f301802f | 4157 | for (x = xsize; x > 0; x --) |
ef416fc2 | 4158 | { |
f301802f | 4159 | pc = *r0++ > dither[x & 15]; |
4160 | pm = *r0++ > dither[x & 15]; | |
4161 | py = *r0++ > dither[x & 15]; | |
4162 | ||
4163 | if ((pc && pm && py && z == 3) || | |
4164 | (pc && z == 2) || (pm && z == 1) || (py && z == 0)) | |
ef416fc2 | 4165 | *ptr ^= bitmask; |
4166 | ||
4167 | if (bitmask > 1) | |
4168 | bitmask >>= 1; | |
4169 | else | |
4170 | { | |
4171 | bitmask = 0x80; | |
4172 | ptr ++; | |
4173 | } | |
4174 | } | |
4175 | break; | |
4176 | ||
4177 | case 2 : | |
f301802f | 4178 | bitmask = 0xc0 >> (bitoffset & 7); |
ef416fc2 | 4179 | dither = Floyd8x8[y & 7]; |
4180 | if (z == 3) | |
4181 | r0 += 3; | |
4182 | else | |
4183 | r0 += 2 - z; | |
4184 | ||
4185 | for (x = xsize; x > 0; x --, r0 += 4) | |
4186 | { | |
4187 | if ((*r0 & 63) > dither[x & 7]) | |
4188 | *ptr ^= (bitmask & OnPixels[*r0]); | |
4189 | else | |
4190 | *ptr ^= (bitmask & OffPixels[*r0]); | |
4191 | ||
4192 | if (bitmask > 3) | |
4193 | bitmask >>= 2; | |
4194 | else | |
4195 | { | |
f301802f | 4196 | bitmask = 0xc0; |
ef416fc2 | 4197 | |
4198 | ptr ++; | |
4199 | } | |
4200 | } | |
4201 | break; | |
4202 | ||
4203 | case 4 : | |
4204 | bitmask = 0xf0 >> (bitoffset & 7); | |
4205 | dither = Floyd4x4[y & 3]; | |
4206 | if (z == 3) | |
4207 | r0 += 3; | |
4208 | else | |
4209 | r0 += 2 - z; | |
4210 | ||
4211 | for (x = xsize; x > 0; x --, r0 += 4) | |
4212 | { | |
4213 | if ((*r0 & 15) > dither[x & 3]) | |
4214 | *ptr ^= (bitmask & OnPixels[*r0]); | |
4215 | else | |
4216 | *ptr ^= (bitmask & OffPixels[*r0]); | |
4217 | ||
4218 | if (bitmask == 0xf0) | |
4219 | bitmask = 0x0f; | |
4220 | else | |
4221 | { | |
4222 | bitmask = 0xf0; | |
4223 | ||
4224 | ptr ++; | |
4225 | } | |
4226 | } | |
4227 | break; | |
4228 | ||
4229 | case 8 : | |
4230 | if (z == 3) | |
4231 | { | |
4232 | r0 += 3; | |
4233 | r1 += 3; | |
4234 | } | |
4235 | else | |
4236 | { | |
4237 | r0 += 2 - z; | |
4238 | r1 += 2 - z; | |
4239 | } | |
4240 | ||
4241 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
4242 | { | |
4243 | if (*r0 == *r1) | |
4244 | *ptr++ = *r0; | |
4245 | else | |
4246 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
4247 | } | |
4248 | break; | |
4249 | } | |
4250 | break; | |
4251 | } | |
4252 | } | |
4253 | ||
4254 | ||
4255 | /* | |
4256 | * 'make_lut()' - Make a lookup table given gamma and brightness values. | |
4257 | */ | |
4258 | ||
4259 | static void | |
4260 | make_lut(cups_ib_t *lut, /* I - Lookup table */ | |
4261 | int colorspace, /* I - Colorspace */ | |
4262 | float g, /* I - Image gamma */ | |
4263 | float b) /* I - Image brightness */ | |
4264 | { | |
4265 | int i; /* Looping var */ | |
4266 | int v; /* Current value */ | |
4267 | ||
4268 | ||
4269 | g = 1.0 / g; | |
4270 | b = 1.0 / b; | |
4271 | ||
4272 | for (i = 0; i < 256; i ++) | |
4273 | { | |
4274 | if (colorspace < 0) | |
4275 | v = 255.0 * b * (1.0 - pow(1.0 - (float)i / 255.0, g)) + 0.5; | |
4276 | else | |
4277 | v = 255.0 * (1.0 - b * (1.0 - pow((float)i / 255.0, g))) + 0.5; | |
4278 | ||
4279 | if (v < 0) | |
4280 | *lut++ = 0; | |
4281 | else if (v > 255) | |
4282 | *lut++ = 255; | |
4283 | else | |
4284 | *lut++ = v; | |
4285 | } | |
4286 | } | |
4287 | ||
4288 | ||
4289 | /* | |
a74454a7 | 4290 | * 'raster_cb()' - Validate the page header. |
4291 | */ | |
4292 | ||
4293 | static int /* O - 0 if OK, -1 if not */ | |
4294 | raster_cb( | |
4295 | cups_page_header2_t *header, /* IO - Raster header */ | |
4296 | int preferred_bits) /* I - Preferred bits per color */ | |
4297 | { | |
4298 | /* | |
4299 | * Ensure that colorimetric colorspaces use at least 8 bits per | |
4300 | * component... | |
4301 | */ | |
4302 | ||
4303 | if ((header->cupsColorSpace == CUPS_CSPACE_CIEXYZ || | |
4304 | header->cupsColorSpace == CUPS_CSPACE_CIELab || | |
4305 | header->cupsColorSpace >= CUPS_CSPACE_ICC1) && | |
4306 | header->cupsBitsPerColor < 8) | |
4307 | header->cupsBitsPerColor = 8; | |
4308 | ||
4309 | return (0); | |
4310 | } | |
4311 | ||
4312 | ||
4313 | /* | |
75bd9771 | 4314 | * End of "$Id: imagetoraster.c 7306 2008-02-15 00:52:38Z mike $". |
ef416fc2 | 4315 | */ |