]>
Commit | Line | Data |
---|---|---|
6e2740f1 | 1 | /* |
efb2f309 | 2 | * "$Id: imagetoraster.c,v 1.61 2002/01/02 17:59:00 mike Exp $" |
6e2740f1 | 3 | * |
ed19bd98 | 4 | * Image file to raster filter for the Common UNIX Printing System (CUPS). |
6e2740f1 | 5 | * |
efb2f309 | 6 | * Copyright 1993-2002 by Easy Software Products. |
6e2740f1 | 7 | * |
ed19bd98 | 8 | * These coded instructions, statements, and computer programs are the |
9 | * property of Easy Software Products and are protected by Federal | |
10 | * copyright law. Distribution and use rights are outlined in the file | |
11 | * "LICENSE.txt" which should have been included with this file. If this | |
12 | * file is missing or damaged please contact Easy Software Products | |
13 | * at: | |
6e2740f1 | 14 | * |
ed19bd98 | 15 | * Attn: CUPS Licensing Information |
16 | * Easy Software Products | |
17 | * 44141 Airport View Drive, Suite 204 | |
18 | * Hollywood, Maryland 20636-3111 USA | |
e33dd2a0 | 19 | * |
ed19bd98 | 20 | * Voice: (301) 373-9603 |
21 | * EMail: cups-info@cups.org | |
22 | * WWW: http://www.cups.org | |
d4d1372b | 23 | * |
ed19bd98 | 24 | * Contents: |
6e2740f1 | 25 | * |
64a31f55 | 26 | * main() - Main entry... |
7ce9aa3d | 27 | * exec_code() - Execute PostScript setpagedevice commands as |
28 | * appropriate. | |
64a31f55 | 29 | * format_CMY() - Convert image data to CMY. |
30 | * format_CMYK() - Convert image data to CMYK. | |
31 | * format_K() - Convert image data to black. | |
32 | * format_KCMY() - Convert image data to KCMY. | |
33 | * format_KCMYcm() - Convert image data to KCMYcm. | |
34 | * format_RGBA() - Convert image data to RGBA. | |
35 | * format_W() - Convert image data to luminance. | |
36 | * format_YMC() - Convert image data to YMC. | |
37 | * format_YMCK() - Convert image data to YMCK. | |
38 | * make_lut() - Make a lookup table given gamma and brightness values. | |
6e2740f1 | 39 | */ |
40 | ||
41 | /* | |
42 | * Include necessary headers... | |
43 | */ | |
44 | ||
6de9968b | 45 | #include "common.h" |
46 | #include "image.h" | |
aff2356d | 47 | #include "raster.h" |
16566558 | 48 | #include <unistd.h> |
6de9968b | 49 | #include <math.h> |
6e2740f1 | 50 | |
51 | ||
52 | /* | |
53 | * Globals... | |
54 | */ | |
55 | ||
6de9968b | 56 | int Flip = 0, /* Flip/mirror pages */ |
c5da5726 | 57 | XPosition = 0, /* Horizontal position on page */ |
58 | YPosition = 0, /* Vertical position on page */ | |
6de9968b | 59 | Collate = 0, /* Collate copies? */ |
60 | Copies = 1; /* Number of copies */ | |
64a31f55 | 61 | int Floyd16x16[16][16] = /* Traditional Floyd ordered dither */ |
6de9968b | 62 | { |
63 | { 0, 128, 32, 160, 8, 136, 40, 168, | |
64 | 2, 130, 34, 162, 10, 138, 42, 170 }, | |
65 | { 192, 64, 224, 96, 200, 72, 232, 104, | |
66 | 194, 66, 226, 98, 202, 74, 234, 106 }, | |
67 | { 48, 176, 16, 144, 56, 184, 24, 152, | |
68 | 50, 178, 18, 146, 58, 186, 26, 154 }, | |
69 | { 240, 112, 208, 80, 248, 120, 216, 88, | |
70 | 242, 114, 210, 82, 250, 122, 218, 90 }, | |
71 | { 12, 140, 44, 172, 4, 132, 36, 164, | |
72 | 14, 142, 46, 174, 6, 134, 38, 166 }, | |
73 | { 204, 76, 236, 108, 196, 68, 228, 100, | |
74 | 206, 78, 238, 110, 198, 70, 230, 102 }, | |
75 | { 60, 188, 28, 156, 52, 180, 20, 148, | |
76 | 62, 190, 30, 158, 54, 182, 22, 150 }, | |
77 | { 252, 124, 220, 92, 244, 116, 212, 84, | |
78 | 254, 126, 222, 94, 246, 118, 214, 86 }, | |
79 | { 3, 131, 35, 163, 11, 139, 43, 171, | |
80 | 1, 129, 33, 161, 9, 137, 41, 169 }, | |
81 | { 195, 67, 227, 99, 203, 75, 235, 107, | |
82 | 193, 65, 225, 97, 201, 73, 233, 105 }, | |
83 | { 51, 179, 19, 147, 59, 187, 27, 155, | |
84 | 49, 177, 17, 145, 57, 185, 25, 153 }, | |
85 | { 243, 115, 211, 83, 251, 123, 219, 91, | |
86 | 241, 113, 209, 81, 249, 121, 217, 89 }, | |
87 | { 15, 143, 47, 175, 7, 135, 39, 167, | |
88 | 13, 141, 45, 173, 5, 133, 37, 165 }, | |
89 | { 207, 79, 239, 111, 199, 71, 231, 103, | |
90 | 205, 77, 237, 109, 197, 69, 229, 101 }, | |
91 | { 63, 191, 31, 159, 55, 183, 23, 151, | |
92 | 61, 189, 29, 157, 53, 181, 21, 149 }, | |
93 | { 254, 127, 223, 95, 247, 119, 215, 87, | |
94 | 253, 125, 221, 93, 245, 117, 213, 85 } | |
95 | }; | |
64a31f55 | 96 | int Floyd8x8[8][8] = |
97 | { | |
98 | { 0, 32, 8, 40, 2, 34, 10, 42 }, | |
99 | { 48, 16, 56, 24, 50, 18, 58, 26 }, | |
100 | { 12, 44, 4, 36, 14, 46, 6, 38 }, | |
101 | { 60, 28, 52, 20, 62, 30, 54, 22 }, | |
102 | { 3, 35, 11, 43, 1, 33, 9, 41 }, | |
103 | { 51, 19, 59, 27, 49, 17, 57, 25 }, | |
104 | { 15, 47, 7, 39, 13, 45, 5, 37 }, | |
105 | { 63, 31, 55, 23, 61, 29, 53, 21 } | |
106 | }; | |
107 | int Floyd4x4[4][4] = | |
108 | { | |
109 | { 0, 8, 2, 10 }, | |
110 | { 12, 4, 14, 6 }, | |
111 | { 3, 11, 1, 9 }, | |
112 | { 15, 7, 13, 5 } | |
113 | }; | |
114 | ||
115 | ib_t OnPixels[256], /* On-pixel LUT */ | |
116 | OffPixels[256]; /* Off-pixel LUT */ | |
117 | int Planes[] = /* Number of planes for each colorspace */ | |
6ec191fc | 118 | { 1, 3, 4, 1, 3, 3, 4, 4, 4, 6, 4, 4, 1, 1, 1 }; |
6e2740f1 | 119 | |
120 | ||
121 | /* | |
122 | * Local functions... | |
123 | */ | |
5772377d | 124 | |
7ce9aa3d | 125 | static void exec_code(cups_page_header_t *header, const char *code); |
64a31f55 | 126 | static void format_CMY(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1); |
127 | static void format_CMYK(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1); | |
128 | static void format_K(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1); | |
129 | static void format_KCMYcm(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1); | |
130 | static void format_KCMY(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1); | |
131 | #define format_RGB format_CMY | |
132 | static void format_RGBA(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1); | |
133 | static void format_W(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1); | |
134 | static void format_YMC(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1); | |
135 | static void format_YMCK(cups_page_header_t *header, unsigned char *row, int y, int z, int xsize, int ysize, int yerr0, int yerr1, ib_t *r0, ib_t *r1); | |
6de9968b | 136 | static void make_lut(ib_t *, int, float, float); |
6e2740f1 | 137 | |
138 | ||
139 | /* | |
140 | * 'main()' - Main entry... | |
141 | */ | |
142 | ||
6de9968b | 143 | int /* O - Exit status */ |
6e2740f1 | 144 | main(int argc, /* I - Number of command-line arguments */ |
145 | char *argv[]) /* I - Command-line arguments */ | |
146 | { | |
6de9968b | 147 | int i; /* Looping var */ |
148 | image_t *img; /* Image to print */ | |
149 | float xprint, /* Printable area */ | |
150 | yprint, | |
151 | xinches, /* Total size in inches */ | |
152 | yinches; | |
153 | float xsize, /* Total size in points */ | |
48c4ffef | 154 | ysize, |
155 | xsize2, | |
156 | ysize2; | |
332197a2 | 157 | float aspect; /* Aspect ratio */ |
6de9968b | 158 | int xpages, /* # x pages */ |
159 | ypages, /* # y pages */ | |
160 | xpage, /* Current x page */ | |
161 | ypage, /* Current y page */ | |
162 | xtemp, /* Bitmap width in pixels */ | |
163 | ytemp, /* Bitmap height in pixels */ | |
164 | page; /* Current page number */ | |
165 | int x0, y0, /* Corners of the page in image coords */ | |
166 | x1, y1; | |
167 | ppd_file_t *ppd; /* PPD file */ | |
7ce9aa3d | 168 | ppd_choice_t *choice, /* PPD option choice */ |
169 | **choices; /* List of marked choices */ | |
170 | int count; /* Number of marked choices */ | |
6de9968b | 171 | char *resolution, /* Output resolution */ |
172 | *media_type; /* Media type */ | |
173 | ppd_profile_t *profile; /* Color profile */ | |
37cb600a | 174 | ppd_profile_t userprofile; /* User-specified profile */ |
6de9968b | 175 | cups_raster_t *ras; /* Raster stream */ |
176 | cups_page_header_t header; /* Page header */ | |
177 | int num_options; /* Number of print options */ | |
178 | cups_option_t *options; /* Print options */ | |
568d2c2f | 179 | const char *val; /* Option value */ |
536fbe76 | 180 | int slowcollate, /* Collate copies the slow way */ |
181 | slowcopies; /* Make copies the "slow" way? */ | |
6de9968b | 182 | float g; /* Gamma correction value */ |
183 | float b; /* Brightness factor */ | |
184 | float zoom; /* Zoom facter */ | |
332197a2 | 185 | int xppi, yppi; /* Pixels-per-inch */ |
6de9968b | 186 | int hue, sat; /* Hue and saturation adjustment */ |
187 | izoom_t *z; /* ImageZoom buffer */ | |
188 | int primary, /* Primary image colorspace */ | |
189 | secondary; /* Secondary image colorspace */ | |
190 | ib_t *row, /* Current row */ | |
6de9968b | 191 | *r0, /* Top row */ |
64a31f55 | 192 | *r1; /* Bottom row */ |
193 | int y, /* Current Y coordinate on page */ | |
6de9968b | 194 | iy, /* Current Y coordinate in image */ |
195 | last_iy, /* Previous Y coordinate in image */ | |
196 | yerr0, /* Top Y error value */ | |
197 | yerr1, /* Bottom Y error value */ | |
64a31f55 | 198 | blank; /* Blank value */ |
199 | ib_t lut[256]; /* Gamma/brightness LUT */ | |
200 | int plane, /* Current color plane */ | |
201 | num_planes; /* Number of color planes */ | |
7ce9aa3d | 202 | char filename[1024]; /* Name of file to print */ |
6de9968b | 203 | |
204 | ||
7ce9aa3d | 205 | /* |
cc787dc1 | 206 | * Make sure status messages are not buffered... |
207 | */ | |
208 | ||
209 | setbuf(stderr, NULL); | |
210 | ||
211 | /* | |
212 | * Check command-line... | |
7ce9aa3d | 213 | */ |
214 | ||
215 | if (argc < 6 || argc > 7) | |
6de9968b | 216 | { |
7ce9aa3d | 217 | fputs("ERROR: imagetoraster job-id user title copies options [file]\n", stderr); |
6de9968b | 218 | return (1); |
219 | } | |
6e2740f1 | 220 | |
5ec6832f | 221 | fprintf(stderr, "INFO: %s %s %s %s %s %s %s\n", argv[0], argv[1], argv[2], |
7ce9aa3d | 222 | argv[3], argv[4], argv[5], argv[6] ? argv[6] : "(null)"); |
223 | ||
16566558 | 224 | /* |
225 | * See if we need to use the imagetops and pstoraster filters instead... | |
226 | */ | |
227 | ||
228 | options = NULL; | |
229 | num_options = cupsParseOptions(argv[5], 0, &options); | |
230 | ||
231 | if (getenv("CLASSIFICATION") || | |
232 | cupsGetOption("page-label", num_options, options)) | |
233 | { | |
234 | /* | |
235 | * Yes, fork a copy of pstoraster and then transfer control to imagetops... | |
236 | */ | |
237 | ||
238 | int mypipes[2]; /* New pipes for imagetops | pstoraster */ | |
239 | int pid; /* PID of pstoraster */ | |
240 | ||
241 | ||
242 | cupsFreeOptions(num_options, options); | |
243 | ||
244 | if (pipe(mypipes)) | |
245 | { | |
246 | perror("ERROR: Unable to create pipes for imagetops | pstoraster"); | |
247 | return (errno); | |
248 | } | |
249 | ||
250 | if ((pid = fork()) == 0) | |
251 | { | |
252 | /* | |
253 | * Child process for pstoraster... Assign new pipe input to pstoraster... | |
254 | */ | |
255 | ||
256 | close(0); | |
257 | dup(mypipes[0]); | |
258 | close(mypipes[0]); | |
259 | close(mypipes[1]); | |
260 | ||
261 | execlp("pstoraster", argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], | |
262 | NULL); | |
263 | perror("ERROR: Unable to exec pstoraster"); | |
264 | return (errno); | |
265 | } | |
266 | else if (pid < 0) | |
267 | { | |
268 | /* | |
269 | * Error! | |
270 | */ | |
271 | ||
272 | perror("ERROR: Unable to fork pstoraster"); | |
273 | return (errno); | |
274 | } | |
275 | ||
276 | /* | |
277 | * Update stdout so it points at the new pstoraster... | |
278 | */ | |
279 | ||
280 | close(1); | |
281 | dup(mypipes[1]); | |
282 | close(mypipes[0]); | |
283 | close(mypipes[1]); | |
284 | ||
285 | /* | |
286 | * Run imagetops to get the classification or page labelling that was | |
287 | * requested... | |
288 | */ | |
289 | ||
290 | execlp("imagetops", argv[0], argv[1], argv[2], argv[3], argv[4], argv[5], | |
291 | argv[6], NULL); | |
292 | perror("ERROR: Unable to exec imagetops"); | |
293 | return (errno); | |
294 | } | |
295 | ||
7ce9aa3d | 296 | /* |
297 | * Copy stdin as needed... | |
298 | */ | |
299 | ||
300 | if (argc == 6) | |
301 | { | |
1b5bf964 | 302 | int fd; /* File to write to */ |
7ce9aa3d | 303 | char buffer[8192]; /* Buffer to read into */ |
304 | int bytes; /* # of bytes to read */ | |
305 | ||
306 | ||
1b5bf964 | 307 | if ((fd = cupsTempFd(filename, sizeof(filename))) < 0) |
7ce9aa3d | 308 | { |
309 | perror("ERROR: Unable to copy image file"); | |
310 | return (1); | |
311 | } | |
312 | ||
313 | fprintf(stderr, "DEBUG: imagetoraster - copying to temp print file \"%s\"\n", | |
314 | filename); | |
315 | ||
316 | while ((bytes = fread(buffer, 1, sizeof(buffer), stdin)) > 0) | |
1b5bf964 | 317 | write(fd, buffer, bytes); |
318 | ||
319 | close(fd); | |
7ce9aa3d | 320 | } |
321 | else | |
322 | { | |
323 | strncpy(filename, argv[6], sizeof(filename) - 1); | |
324 | filename[sizeof(filename) - 1] = '\0'; | |
325 | } | |
5ec6832f | 326 | |
6e2740f1 | 327 | /* |
6de9968b | 328 | * Process command-line options and write the prolog... |
6e2740f1 | 329 | */ |
330 | ||
6de9968b | 331 | zoom = 0.0; |
332197a2 | 332 | xppi = 0; |
333 | yppi = 0; | |
6de9968b | 334 | hue = 0; |
335 | sat = 100; | |
f0d2f1a4 | 336 | g = 1.0; |
6de9968b | 337 | b = 1.0; |
338 | ||
ae818f4d | 339 | Copies = atoi(argv[4]); |
340 | ||
4e989042 | 341 | ppd = SetCommonOptions(num_options, options, 0); |
6e2740f1 | 342 | |
6de9968b | 343 | if ((val = cupsGetOption("multiple-document-handling", num_options, options)) != NULL) |
6e2740f1 | 344 | { |
6de9968b | 345 | /* |
346 | * This IPP attribute is unnecessarily complicated... | |
347 | * | |
348 | * single-document, separate-documents-collated-copies, and | |
349 | * single-document-new-sheet all require collated copies. | |
350 | * | |
351 | * separate-documents-collated-copies allows for uncollated copies. | |
352 | */ | |
353 | ||
a7b3e92e | 354 | Collate = strcasecmp(val, "separate-documents-collated-copies") != 0; |
6de9968b | 355 | } |
356 | ||
357 | if ((val = cupsGetOption("Collate", num_options, options)) != NULL && | |
a7b3e92e | 358 | strcasecmp(val, "True") == 0) |
6de9968b | 359 | Collate = 1; |
360 | ||
361 | if ((val = cupsGetOption("gamma", num_options, options)) != NULL) | |
362 | g = atoi(val) * 0.001f; | |
363 | ||
364 | if ((val = cupsGetOption("brightness", num_options, options)) != NULL) | |
365 | b = atoi(val) * 0.01f; | |
366 | ||
367 | if ((val = cupsGetOption("scaling", num_options, options)) != NULL) | |
368 | zoom = atoi(val) * 0.01; | |
369 | ||
370 | if ((val = cupsGetOption("ppi", num_options, options)) != NULL) | |
332197a2 | 371 | if (sscanf(val, "%dx%d", &xppi, &yppi) < 2) |
372 | yppi = xppi; | |
6de9968b | 373 | |
c5da5726 | 374 | if ((val = cupsGetOption("position", num_options, options)) != NULL) |
375 | { | |
376 | if (strcasecmp(val, "center") == 0) | |
377 | { | |
378 | XPosition = 0; | |
379 | YPosition = 0; | |
380 | } | |
381 | else if (strcasecmp(val, "top") == 0) | |
382 | { | |
383 | XPosition = 0; | |
384 | YPosition = 1; | |
385 | } | |
386 | else if (strcasecmp(val, "left") == 0) | |
387 | { | |
388 | XPosition = -1; | |
389 | YPosition = 0; | |
390 | } | |
391 | else if (strcasecmp(val, "right") == 0) | |
392 | { | |
393 | XPosition = 1; | |
394 | YPosition = 0; | |
395 | } | |
396 | else if (strcasecmp(val, "top-left") == 0) | |
397 | { | |
398 | XPosition = -1; | |
399 | YPosition = 1; | |
400 | } | |
401 | else if (strcasecmp(val, "top-right") == 0) | |
402 | { | |
403 | XPosition = 1; | |
404 | YPosition = 1; | |
405 | } | |
406 | else if (strcasecmp(val, "bottom") == 0) | |
407 | { | |
408 | XPosition = 0; | |
409 | YPosition = -1; | |
410 | } | |
411 | else if (strcasecmp(val, "bottom-left") == 0) | |
412 | { | |
413 | XPosition = -1; | |
414 | YPosition = -1; | |
415 | } | |
416 | else if (strcasecmp(val, "bottom-right") == 0) | |
417 | { | |
418 | XPosition = 1; | |
419 | YPosition = -1; | |
420 | } | |
421 | } | |
422 | ||
6de9968b | 423 | if ((val = cupsGetOption("saturation", num_options, options)) != NULL) |
424 | sat = atoi(val); | |
425 | ||
426 | if ((val = cupsGetOption("hue", num_options, options)) != NULL) | |
427 | hue = atoi(val); | |
6e2740f1 | 428 | |
429 | /* | |
6de9968b | 430 | * Set the needed options in the page header... |
6e2740f1 | 431 | */ |
432 | ||
6de9968b | 433 | memset(&header, 0, sizeof(header)); |
5772377d | 434 | header.HWResolution[0] = 100; |
435 | header.HWResolution[1] = 100; | |
436 | header.cupsBitsPerColor = 1; | |
437 | header.cupsColorOrder = CUPS_ORDER_CHUNKED; | |
332197a2 | 438 | header.cupsColorSpace = CUPS_CSPACE_K; |
6de9968b | 439 | |
46e33031 | 440 | if (ppd && ppd->patches) |
7ce9aa3d | 441 | exec_code(&header, ppd->patches); |
536fbe76 | 442 | |
7ce9aa3d | 443 | if ((count = ppdCollect(ppd, PPD_ORDER_DOCUMENT, &choices)) > 0) |
444 | for (i = 0; i < count; i ++) | |
445 | exec_code(&header, choices[i]->code); | |
422739ac | 446 | |
7ce9aa3d | 447 | if ((count = ppdCollect(ppd, PPD_ORDER_ANY, &choices)) > 0) |
448 | for (i = 0; i < count; i ++) | |
449 | exec_code(&header, choices[i]->code); | |
422739ac | 450 | |
7ce9aa3d | 451 | if ((count = ppdCollect(ppd, PPD_ORDER_PROLOG, &choices)) > 0) |
452 | for (i = 0; i < count; i ++) | |
453 | exec_code(&header, choices[i]->code); | |
6de9968b | 454 | |
7ce9aa3d | 455 | if ((count = ppdCollect(ppd, PPD_ORDER_PAGE, &choices)) > 0) |
456 | for (i = 0; i < count; i ++) | |
457 | exec_code(&header, choices[i]->code); | |
6de9968b | 458 | |
7ce9aa3d | 459 | /* |
460 | * Get the media type and resolution that have been chosen... | |
461 | */ | |
462 | ||
463 | if ((choice = ppdFindMarkedChoice(ppd, "MediaType")) != NULL) | |
5772377d | 464 | media_type = choice->choice; |
6de9968b | 465 | else |
466 | media_type = ""; | |
467 | ||
468 | if ((choice = ppdFindMarkedChoice(ppd, "Resolution")) != NULL) | |
5772377d | 469 | resolution = choice->choice; |
6de9968b | 470 | else |
6de9968b | 471 | resolution = ""; |
64a31f55 | 472 | |
6e2740f1 | 473 | /* |
f82d2283 | 474 | * Choose the appropriate colorspace... |
6e2740f1 | 475 | */ |
476 | ||
6de9968b | 477 | switch (header.cupsColorSpace) |
6e2740f1 | 478 | { |
6de9968b | 479 | case CUPS_CSPACE_W : |
480 | primary = IMAGE_WHITE; | |
481 | secondary = IMAGE_WHITE; | |
482 | header.cupsBitsPerPixel = header.cupsBitsPerColor; | |
483 | break; | |
484 | ||
485 | case CUPS_CSPACE_RGB : | |
486 | case CUPS_CSPACE_RGBA : | |
487 | primary = IMAGE_RGB; | |
488 | secondary = IMAGE_RGB; | |
489 | ||
490 | if (header.cupsColorOrder == CUPS_ORDER_CHUNKED) | |
491 | { | |
492 | if (header.cupsBitsPerColor >= 8) | |
493 | header.cupsBitsPerPixel = header.cupsBitsPerColor * 3; | |
494 | else | |
495 | header.cupsBitsPerPixel = header.cupsBitsPerColor * 4; | |
496 | } | |
04aee1f9 | 497 | else |
6de9968b | 498 | header.cupsBitsPerPixel = header.cupsBitsPerColor; |
499 | break; | |
04aee1f9 | 500 | |
6de9968b | 501 | case CUPS_CSPACE_K : |
6ec191fc | 502 | case CUPS_CSPACE_WHITE : |
503 | case CUPS_CSPACE_GOLD : | |
504 | case CUPS_CSPACE_SILVER : | |
6de9968b | 505 | primary = IMAGE_BLACK; |
506 | secondary = IMAGE_BLACK; | |
507 | header.cupsBitsPerPixel = header.cupsBitsPerColor; | |
508 | break; | |
509 | ||
510 | default : | |
64a31f55 | 511 | primary = IMAGE_CMYK; |
76d39914 | 512 | secondary = IMAGE_CMYK; |
6de9968b | 513 | |
64a31f55 | 514 | if (header.cupsColorOrder == CUPS_ORDER_CHUNKED) |
515 | header.cupsBitsPerPixel = header.cupsBitsPerColor * 4; | |
516 | else | |
517 | header.cupsBitsPerPixel = header.cupsBitsPerColor; | |
518 | break; | |
6de9968b | 519 | |
520 | case CUPS_CSPACE_CMY : | |
521 | case CUPS_CSPACE_YMC : | |
522 | primary = IMAGE_CMY; | |
523 | secondary = IMAGE_CMY; | |
524 | ||
525 | if (header.cupsColorOrder == CUPS_ORDER_CHUNKED) | |
526 | { | |
527 | if (header.cupsBitsPerColor >= 8) | |
528 | header.cupsBitsPerPixel = 24; | |
529 | else | |
530 | header.cupsBitsPerPixel = header.cupsBitsPerColor * 4; | |
531 | } | |
04aee1f9 | 532 | else |
6de9968b | 533 | header.cupsBitsPerPixel = header.cupsBitsPerColor; |
534 | break; | |
04aee1f9 | 535 | |
6de9968b | 536 | case CUPS_CSPACE_KCMYcm : |
537 | if (header.cupsBitsPerPixel == 1) | |
538 | { | |
539 | primary = IMAGE_CMY; | |
76d39914 | 540 | secondary = IMAGE_CMY; |
6de9968b | 541 | |
542 | if (header.cupsColorOrder == CUPS_ORDER_CHUNKED) | |
543 | header.cupsBitsPerPixel = 8; | |
544 | else | |
545 | header.cupsBitsPerPixel = 1; | |
546 | } | |
547 | else | |
548 | { | |
549 | primary = IMAGE_CMYK; | |
76d39914 | 550 | secondary = IMAGE_CMYK; |
6de9968b | 551 | |
552 | if (header.cupsColorOrder == CUPS_ORDER_CHUNKED) | |
5ec6832f | 553 | header.cupsBitsPerPixel = header.cupsBitsPerColor * 4; |
6de9968b | 554 | else |
555 | header.cupsBitsPerPixel = header.cupsBitsPerColor; | |
556 | } | |
557 | break; | |
558 | } | |
6e2740f1 | 559 | |
560 | /* | |
6de9968b | 561 | * Find a color profile matching the current options... |
6e2740f1 | 562 | */ |
563 | ||
37cb600a | 564 | if ((val = cupsGetOption("profile", num_options, options)) != NULL) |
565 | { | |
566 | profile = &userprofile; | |
567 | sscanf(val, "%f,%f,%f,%f,%f,%f,%f,%f,%f,%f,%f", | |
568 | &(userprofile.density), &(userprofile.gamma), | |
569 | userprofile.matrix[0] + 0, userprofile.matrix[0] + 1, | |
570 | userprofile.matrix[0] + 2, | |
571 | userprofile.matrix[1] + 0, userprofile.matrix[1] + 1, | |
572 | userprofile.matrix[1] + 2, | |
573 | userprofile.matrix[2] + 0, userprofile.matrix[2] + 1, | |
574 | userprofile.matrix[2] + 2); | |
575 | ||
576 | userprofile.density *= 0.001f; | |
577 | userprofile.gamma *= 0.001f; | |
578 | userprofile.matrix[0][0] *= 0.001f; | |
579 | userprofile.matrix[0][1] *= 0.001f; | |
580 | userprofile.matrix[0][2] *= 0.001f; | |
581 | userprofile.matrix[1][0] *= 0.001f; | |
582 | userprofile.matrix[1][1] *= 0.001f; | |
583 | userprofile.matrix[1][2] *= 0.001f; | |
584 | userprofile.matrix[2][0] *= 0.001f; | |
585 | userprofile.matrix[2][1] *= 0.001f; | |
586 | userprofile.matrix[2][2] *= 0.001f; | |
587 | } | |
588 | else if (ppd != NULL) | |
6de9968b | 589 | { |
f82d2283 | 590 | fprintf(stderr, "DEBUG: Searching for profile \"%s/%s\"...\n", |
591 | resolution, media_type); | |
592 | ||
6de9968b | 593 | for (i = 0, profile = ppd->profiles; i < ppd->num_profiles; i ++, profile ++) |
f82d2283 | 594 | { |
595 | fprintf(stderr, "DEBUG: \"%s/%s\" = ", profile->resolution, | |
596 | profile->media_type); | |
597 | ||
6de9968b | 598 | if ((strcmp(profile->resolution, resolution) == 0 || |
599 | profile->resolution[0] == '-') && | |
600 | (strcmp(profile->media_type, media_type) == 0 || | |
601 | profile->media_type[0] == '-')) | |
f82d2283 | 602 | { |
603 | fputs("MATCH!\n", stderr); | |
6de9968b | 604 | break; |
f82d2283 | 605 | } |
606 | else | |
607 | fputs("no.\n", stderr); | |
608 | } | |
6e2740f1 | 609 | |
6de9968b | 610 | /* |
611 | * If we found a color profile, use it! | |
612 | */ | |
613 | ||
37cb600a | 614 | if (i >= ppd->num_profiles) |
615 | profile = NULL; | |
6de9968b | 616 | } |
d21a7597 | 617 | else |
618 | profile = NULL; | |
6e2740f1 | 619 | |
37cb600a | 620 | if (profile) |
621 | ImageSetProfile(profile->density, profile->gamma, profile->matrix); | |
622 | ||
6e2740f1 | 623 | /* |
6de9968b | 624 | * Create a gamma/brightness LUT... |
6e2740f1 | 625 | */ |
626 | ||
6de9968b | 627 | make_lut(lut, primary, g, b); |
628 | ||
629 | /* | |
630 | * Open the input image to print... | |
631 | */ | |
6e2740f1 | 632 | |
6de9968b | 633 | fputs("INFO: Loading image file...\n", stderr); |
6e2740f1 | 634 | |
7ce9aa3d | 635 | img = ImageOpen(filename, primary, secondary, sat, hue, lut); |
636 | ||
637 | if (argc == 6) | |
638 | unlink(filename); | |
639 | ||
640 | if (img == NULL) | |
6e2740f1 | 641 | { |
6de9968b | 642 | fputs("ERROR: Unable to open image file for printing!\n", stderr); |
643 | ppdClose(ppd); | |
644 | return (1); | |
645 | } | |
646 | ||
647 | /* | |
648 | * Scale as necessary... | |
649 | */ | |
650 | ||
332197a2 | 651 | if (zoom == 0.0 && xppi == 0) |
652 | { | |
653 | xppi = img->xppi; | |
654 | yppi = img->yppi; | |
655 | } | |
656 | ||
657 | if (yppi == 0) | |
658 | yppi = xppi; | |
6e2740f1 | 659 | |
332197a2 | 660 | if (xppi > 0) |
6e2740f1 | 661 | { |
662 | /* | |
663 | * Scale the image as neccesary to match the desired pixels-per-inch. | |
664 | */ | |
665 | ||
48c4ffef | 666 | if (Orientation & 1) |
667 | { | |
668 | xprint = (PageTop - PageBottom) / 72.0; | |
669 | yprint = (PageRight - PageLeft) / 72.0; | |
670 | } | |
671 | else | |
672 | { | |
673 | xprint = (PageRight - PageLeft) / 72.0; | |
674 | yprint = (PageTop - PageBottom) / 72.0; | |
675 | } | |
676 | ||
332197a2 | 677 | xinches = (float)img->xsize / (float)xppi; |
678 | yinches = (float)img->ysize / (float)yppi; | |
48c4ffef | 679 | |
6cf4a1fe | 680 | if ((val = cupsGetOption("natural-scaling", num_options, options)) != NULL) |
d5c7e2d1 | 681 | { |
682 | xinches = xinches * atoi(val) / 100; | |
683 | yinches = yinches * atoi(val) / 100; | |
684 | } | |
685 | ||
b16dd9cb | 686 | if (cupsGetOption("orientation", num_options, options) == NULL && |
687 | cupsGetOption("landscape", num_options, options) == NULL) | |
48c4ffef | 688 | { |
689 | /* | |
b16dd9cb | 690 | * Rotate the image if it will fit landscape but not portrait... |
48c4ffef | 691 | */ |
692 | ||
b16dd9cb | 693 | if ((xinches > xprint || yinches > yprint) && |
694 | xinches <= yprint && yinches <= xprint) | |
695 | { | |
696 | /* | |
697 | * Rotate the image as needed... | |
698 | */ | |
699 | ||
700 | Orientation = (Orientation + 1) & 3; | |
701 | xsize = yprint; | |
702 | yprint = xprint; | |
703 | xprint = xsize; | |
704 | } | |
48c4ffef | 705 | } |
6e2740f1 | 706 | } |
707 | else | |
708 | { | |
709 | /* | |
710 | * Scale percentage of page size... | |
711 | */ | |
712 | ||
48c4ffef | 713 | xprint = (PageRight - PageLeft) / 72.0; |
714 | yprint = (PageTop - PageBottom) / 72.0; | |
332197a2 | 715 | aspect = (float)img->yppi / (float)img->xppi; |
716 | ||
717 | fprintf(stderr, "DEBUG: img->xppi = %d, img->yppi = %d, aspect = %f\n", | |
718 | img->xppi, img->yppi, aspect); | |
48c4ffef | 719 | |
6de9968b | 720 | xsize = xprint * zoom; |
332197a2 | 721 | ysize = xsize * img->ysize / img->xsize / aspect; |
d4d1372b | 722 | |
6de9968b | 723 | if (ysize > (yprint * zoom)) |
6e2740f1 | 724 | { |
6de9968b | 725 | ysize = yprint * zoom; |
332197a2 | 726 | xsize = ysize * img->xsize * aspect / img->ysize; |
6e2740f1 | 727 | } |
d4d1372b | 728 | |
48c4ffef | 729 | xsize2 = yprint * zoom; |
332197a2 | 730 | ysize2 = xsize2 * img->ysize / img->xsize / aspect; |
48c4ffef | 731 | |
732 | if (ysize2 > (xprint * zoom)) | |
733 | { | |
734 | ysize2 = xprint * zoom; | |
332197a2 | 735 | xsize2 = ysize2 * img->xsize * aspect / img->ysize; |
48c4ffef | 736 | } |
737 | ||
332197a2 | 738 | fprintf(stderr, "DEBUG: xsize = %.0f, ysize = %.0f\n", xsize, ysize); |
739 | fprintf(stderr, "DEBUG: xsize2 = %.0f, ysize2 = %.0f\n", xsize2, ysize2); | |
740 | ||
b16dd9cb | 741 | if (cupsGetOption("orientation", num_options, options) == NULL && |
742 | cupsGetOption("landscape", num_options, options) == NULL) | |
48c4ffef | 743 | { |
744 | /* | |
b16dd9cb | 745 | * Choose the rotation with the largest area, but prefer |
746 | * portrait if they are equal... | |
48c4ffef | 747 | */ |
748 | ||
b16dd9cb | 749 | if ((xsize * ysize) < (xsize2 * xsize2)) |
750 | { | |
751 | /* | |
752 | * Do landscape orientation... | |
753 | */ | |
754 | ||
755 | Orientation = 1; | |
756 | xinches = xsize2; | |
757 | yinches = ysize2; | |
758 | xprint = (PageTop - PageBottom) / 72.0; | |
759 | yprint = (PageRight - PageLeft) / 72.0; | |
760 | } | |
761 | else | |
762 | { | |
763 | /* | |
764 | * Do portrait orientation... | |
765 | */ | |
766 | ||
767 | Orientation = 0; | |
768 | xinches = xsize; | |
769 | yinches = ysize; | |
770 | } | |
771 | } | |
772 | else if (Orientation & 1) | |
773 | { | |
48c4ffef | 774 | xinches = xsize2; |
775 | yinches = ysize2; | |
776 | xprint = (PageTop - PageBottom) / 72.0; | |
777 | yprint = (PageRight - PageLeft) / 72.0; | |
48c4ffef | 778 | |
b16dd9cb | 779 | xsize = PageLeft; |
780 | PageLeft = PageBottom; | |
781 | PageBottom = PageWidth - PageRight; | |
782 | PageRight = PageTop; | |
783 | PageTop = PageLength - xsize; | |
784 | ||
785 | xsize = PageWidth; | |
786 | PageWidth = PageLength; | |
787 | PageLength = xsize; | |
48c4ffef | 788 | } |
b6ea8f29 | 789 | else |
790 | { | |
791 | xinches = xsize; | |
792 | yinches = ysize; | |
793 | xprint = (PageRight - PageLeft) / 72.0; | |
794 | yprint = (PageTop - PageBottom) / 72.0; | |
795 | } | |
6de9968b | 796 | } |
6e2740f1 | 797 | |
6de9968b | 798 | xpages = ceil(xinches / xprint); |
799 | ypages = ceil(yinches / yprint); | |
d4d1372b | 800 | |
332197a2 | 801 | fprintf(stderr, "DEBUG: xpages = %d, ypages = %d\n", xpages, ypages); |
802 | ||
6de9968b | 803 | /* |
804 | * Compute the bitmap size... | |
805 | */ | |
6e2740f1 | 806 | |
6de9968b | 807 | xprint = xinches / xpages; |
808 | yprint = yinches / ypages; | |
6e2740f1 | 809 | |
81dec18a | 810 | if ((choice = ppdFindMarkedChoice(ppd, "PageSize")) != NULL && |
a7b3e92e | 811 | strcasecmp(choice->choice, "Custom") == 0) |
6de9968b | 812 | { |
66e0ad6c | 813 | float width, /* New width in points */ |
814 | length; /* New length in points */ | |
815 | ||
816 | ||
f4771f31 | 817 | if (Orientation & 1) |
818 | { | |
66e0ad6c | 819 | width = yprint * 72.0; |
820 | length = xprint * 72.0; | |
f4771f31 | 821 | } |
822 | else | |
823 | { | |
66e0ad6c | 824 | width = xprint * 72.0; |
825 | length = yprint * 72.0; | |
f4771f31 | 826 | } |
66e0ad6c | 827 | |
828 | /* | |
829 | * Add margins to page size... | |
830 | */ | |
831 | ||
832 | width += ppd->custom_margins[0] + ppd->custom_margins[2]; | |
833 | length += ppd->custom_margins[1] + ppd->custom_margins[3]; | |
834 | ||
835 | /* | |
836 | * Enforce minimums... | |
837 | */ | |
838 | ||
839 | if (width < ppd->custom_min[0]) | |
840 | width = ppd->custom_min[0]; | |
841 | ||
842 | if (length < ppd->custom_min[1]) | |
843 | length = ppd->custom_min[1]; | |
844 | ||
845 | /* | |
846 | * Set the new custom size... | |
847 | */ | |
848 | ||
849 | header.PageSize[0] = width + 0.5; | |
850 | header.PageSize[1] = length + 0.5; | |
851 | ||
852 | /* | |
853 | * Update page variables... | |
854 | */ | |
855 | ||
856 | PageWidth = width; | |
857 | PageLength = length; | |
858 | PageLeft = ppd->custom_margins[0]; | |
859 | PageRight = width - ppd->custom_margins[2]; | |
860 | PageBottom = ppd->custom_margins[1]; | |
861 | PageTop = length - ppd->custom_margins[3]; | |
862 | ||
863 | /* | |
864 | * Remove margins from page size... | |
865 | */ | |
866 | ||
867 | width -= ppd->custom_margins[0] + ppd->custom_margins[2]; | |
868 | length -= ppd->custom_margins[1] + ppd->custom_margins[3]; | |
869 | ||
870 | /* | |
871 | * Set the bitmap size... | |
872 | */ | |
873 | ||
874 | header.cupsWidth = width * header.HWResolution[0] / 72.0; | |
875 | header.cupsHeight = length * header.HWResolution[1] / 72.0; | |
6de9968b | 876 | } |
877 | else | |
878 | { | |
879 | header.cupsWidth = (PageRight - PageLeft) * header.HWResolution[0] / 72.0; | |
880 | header.cupsHeight = (PageTop - PageBottom) * header.HWResolution[1] / 72.0; | |
7c7366e3 | 881 | header.PageSize[0] = PageWidth; |
882 | header.PageSize[1] = PageLength; | |
6de9968b | 883 | } |
6e2740f1 | 884 | |
422739ac | 885 | header.Margins[0] = PageLeft; |
886 | header.Margins[1] = PageBottom; | |
887 | ||
7ceb4986 | 888 | fprintf(stderr, "DEBUG: PageSize = [%d %d]\n", header.PageSize[0], |
889 | header.PageSize[1]); | |
890 | ||
422739ac | 891 | switch (Orientation) |
892 | { | |
893 | case 0 : | |
6f50316f | 894 | switch (XPosition) |
895 | { | |
896 | case -1 : | |
897 | header.ImagingBoundingBox[0] = PageLeft; | |
898 | header.ImagingBoundingBox[2] = PageLeft + xprint * 72; | |
899 | break; | |
b6ea8f29 | 900 | default : |
6f50316f | 901 | header.ImagingBoundingBox[0] = (PageRight + PageLeft - xprint * 72) / 2; |
902 | header.ImagingBoundingBox[2] = (PageRight + PageLeft + xprint * 72) / 2; | |
903 | break; | |
904 | case 1 : | |
905 | header.ImagingBoundingBox[0] = PageRight - xprint * 72; | |
906 | header.ImagingBoundingBox[2] = PageRight; | |
907 | break; | |
908 | } | |
909 | ||
910 | switch (YPosition) | |
911 | { | |
912 | case -1 : | |
913 | header.ImagingBoundingBox[1] = PageBottom; | |
914 | header.ImagingBoundingBox[3] = PageBottom + yprint * 72; | |
915 | break; | |
b6ea8f29 | 916 | default : |
6f50316f | 917 | header.ImagingBoundingBox[1] = (PageTop + PageBottom - yprint * 72) / 2; |
918 | header.ImagingBoundingBox[3] = (PageTop + PageBottom + yprint * 72) / 2; | |
919 | break; | |
920 | case 1 : | |
921 | header.ImagingBoundingBox[1] = PageTop - yprint * 72; | |
922 | header.ImagingBoundingBox[3] = PageTop; | |
923 | break; | |
924 | } | |
422739ac | 925 | break; |
6f50316f | 926 | |
422739ac | 927 | case 1 : |
6f50316f | 928 | switch (XPosition) |
929 | { | |
930 | case -1 : | |
931 | header.ImagingBoundingBox[0] = PageBottom; | |
932 | header.ImagingBoundingBox[2] = PageBottom + yprint * 72; | |
933 | break; | |
b6ea8f29 | 934 | default : |
6f50316f | 935 | header.ImagingBoundingBox[0] = (PageTop + PageBottom - yprint * 72) / 2; |
936 | header.ImagingBoundingBox[2] = (PageTop + PageBottom + yprint * 72) / 2; | |
937 | break; | |
938 | case 1 : | |
939 | header.ImagingBoundingBox[0] = PageTop - yprint * 72; | |
940 | header.ImagingBoundingBox[2] = PageTop; | |
941 | break; | |
942 | } | |
943 | ||
944 | switch (YPosition) | |
945 | { | |
946 | case -1 : | |
947 | header.ImagingBoundingBox[1] = PageLeft; | |
948 | header.ImagingBoundingBox[3] = PageLeft + xprint * 72; | |
949 | break; | |
b6ea8f29 | 950 | default : |
6f50316f | 951 | header.ImagingBoundingBox[1] = (PageRight + PageLeft - xprint * 72) / 2; |
952 | header.ImagingBoundingBox[3] = (PageRight + PageLeft + xprint * 72) / 2; | |
953 | break; | |
954 | case 1 : | |
955 | header.ImagingBoundingBox[1] = PageRight - xprint * 72; | |
956 | header.ImagingBoundingBox[3] = PageRight; | |
957 | break; | |
958 | } | |
422739ac | 959 | break; |
6f50316f | 960 | |
422739ac | 961 | case 2 : |
6f50316f | 962 | switch (XPosition) |
963 | { | |
964 | case 1 : | |
965 | header.ImagingBoundingBox[0] = PageLeft; | |
966 | header.ImagingBoundingBox[2] = PageLeft + xprint * 72; | |
967 | break; | |
b6ea8f29 | 968 | default : |
6f50316f | 969 | header.ImagingBoundingBox[0] = (PageRight + PageLeft - xprint * 72) / 2; |
970 | header.ImagingBoundingBox[2] = (PageRight + PageLeft + xprint * 72) / 2; | |
971 | break; | |
972 | case -1 : | |
973 | header.ImagingBoundingBox[0] = PageRight - xprint * 72; | |
974 | header.ImagingBoundingBox[2] = PageRight; | |
975 | break; | |
976 | } | |
977 | ||
978 | switch (YPosition) | |
979 | { | |
980 | case 1 : | |
981 | header.ImagingBoundingBox[1] = PageBottom; | |
982 | header.ImagingBoundingBox[3] = PageBottom + yprint * 72; | |
983 | break; | |
b6ea8f29 | 984 | default : |
6f50316f | 985 | header.ImagingBoundingBox[1] = (PageTop + PageBottom - yprint * 72) / 2; |
986 | header.ImagingBoundingBox[3] = (PageTop + PageBottom + yprint * 72) / 2; | |
987 | break; | |
988 | case -1 : | |
989 | header.ImagingBoundingBox[1] = PageTop - yprint * 72; | |
990 | header.ImagingBoundingBox[3] = PageTop; | |
991 | break; | |
992 | } | |
422739ac | 993 | break; |
6f50316f | 994 | |
422739ac | 995 | case 3 : |
6f50316f | 996 | switch (XPosition) |
997 | { | |
998 | case 1 : | |
999 | header.ImagingBoundingBox[0] = PageBottom; | |
1000 | header.ImagingBoundingBox[2] = PageBottom + yprint * 72; | |
1001 | break; | |
b6ea8f29 | 1002 | default : |
6f50316f | 1003 | header.ImagingBoundingBox[0] = (PageTop + PageBottom - yprint * 72) / 2; |
1004 | header.ImagingBoundingBox[2] = (PageTop + PageBottom + yprint * 72) / 2; | |
1005 | break; | |
1006 | case -1 : | |
1007 | header.ImagingBoundingBox[0] = PageTop - yprint * 72; | |
1008 | header.ImagingBoundingBox[2] = PageTop; | |
1009 | break; | |
1010 | } | |
1011 | ||
1012 | switch (YPosition) | |
1013 | { | |
1014 | case 1 : | |
1015 | header.ImagingBoundingBox[1] = PageLeft; | |
1016 | header.ImagingBoundingBox[3] = PageLeft + xprint * 72; | |
1017 | break; | |
b6ea8f29 | 1018 | default : |
6f50316f | 1019 | header.ImagingBoundingBox[1] = (PageRight + PageLeft - xprint * 72) / 2; |
1020 | header.ImagingBoundingBox[3] = (PageRight + PageLeft + xprint * 72) / 2; | |
1021 | break; | |
1022 | case -1 : | |
1023 | header.ImagingBoundingBox[1] = PageRight - xprint * 72; | |
1024 | header.ImagingBoundingBox[3] = PageRight; | |
1025 | break; | |
1026 | } | |
422739ac | 1027 | break; |
1028 | } | |
1029 | ||
6de9968b | 1030 | switch (header.cupsColorOrder) |
1031 | { | |
d21a7597 | 1032 | default : |
6de9968b | 1033 | header.cupsBytesPerLine = (header.cupsBitsPerPixel * |
1034 | header.cupsWidth + 7) / 8; | |
64a31f55 | 1035 | num_planes = 1; |
6de9968b | 1036 | break; |
6e2740f1 | 1037 | |
6de9968b | 1038 | case CUPS_ORDER_BANDED : |
5ec6832f | 1039 | if (header.cupsColorSpace == CUPS_CSPACE_KCMYcm && |
1040 | header.cupsBitsPerColor > 1) | |
1041 | header.cupsBytesPerLine = (header.cupsBitsPerPixel * | |
1042 | header.cupsWidth + 7) / 8 * 4; | |
1043 | else | |
1044 | header.cupsBytesPerLine = (header.cupsBitsPerPixel * | |
1045 | header.cupsWidth + 7) / 8 * | |
1046 | Planes[header.cupsColorSpace]; | |
64a31f55 | 1047 | num_planes = 1; |
6de9968b | 1048 | break; |
6e2740f1 | 1049 | |
6de9968b | 1050 | case CUPS_ORDER_PLANAR : |
1051 | header.cupsBytesPerLine = (header.cupsBitsPerPixel * | |
1052 | header.cupsWidth + 7) / 8; | |
64a31f55 | 1053 | num_planes = Planes[header.cupsColorSpace]; |
6de9968b | 1054 | break; |
1055 | } | |
6e2740f1 | 1056 | |
1057 | /* | |
6de9968b | 1058 | * See if we need to collate, and if so how we need to do it... |
6e2740f1 | 1059 | */ |
1060 | ||
6de9968b | 1061 | if (xpages == 1 && ypages == 1) |
1062 | Collate = 0; | |
6e2740f1 | 1063 | |
6de9968b | 1064 | slowcollate = Collate && ppdFindOption(ppd, "Collate") == NULL; |
536fbe76 | 1065 | if (ppd != NULL) |
1066 | slowcopies = ppd->manual_copies; | |
1067 | else | |
1068 | slowcopies = 1; | |
6de9968b | 1069 | |
536fbe76 | 1070 | if (Copies > 1 && !slowcollate && !slowcopies) |
6e2740f1 | 1071 | { |
6de9968b | 1072 | header.Collate = (cups_bool_t)Collate; |
1073 | header.NumCopies = Copies; | |
1074 | ||
1075 | Copies = 1; | |
1076 | } | |
b80c16b3 | 1077 | else |
1078 | header.NumCopies = 1; | |
6e2740f1 | 1079 | |
1080 | /* | |
6de9968b | 1081 | * Create the dithering lookup tables... |
6e2740f1 | 1082 | */ |
1083 | ||
64a31f55 | 1084 | OnPixels[0] = 0x00; |
1085 | OnPixels[255] = 0xff; | |
1086 | OffPixels[0] = 0x00; | |
1087 | OffPixels[255] = 0xff; | |
6e2740f1 | 1088 | |
6de9968b | 1089 | switch (header.cupsBitsPerColor) |
6e2740f1 | 1090 | { |
1091 | case 2 : | |
64a31f55 | 1092 | for (i = 1; i < 255; i ++) |
1093 | { | |
1094 | OnPixels[i] = 0x55 * (i / 85 + 1); | |
1095 | OffPixels[i] = 0x55 * (i / 64); | |
1096 | } | |
6e2740f1 | 1097 | break; |
1098 | case 4 : | |
64a31f55 | 1099 | for (i = 1; i < 255; i ++) |
6e2740f1 | 1100 | { |
64a31f55 | 1101 | OnPixels[i] = 17 * (i / 17 + 1); |
1102 | OffPixels[i] = 17 * (i / 16); | |
6de9968b | 1103 | } |
64a31f55 | 1104 | |
1105 | OnPixels[255] = OffPixels[255] = 0xff; | |
6e2740f1 | 1106 | break; |
6de9968b | 1107 | } |
6e2740f1 | 1108 | |
1109 | /* | |
1110 | * Output the pages... | |
1111 | */ | |
1112 | ||
6de9968b | 1113 | fprintf(stderr, "DEBUG: cupsWidth = %d\n", header.cupsWidth); |
1114 | fprintf(stderr, "DEBUG: cupsHeight = %d\n", header.cupsHeight); | |
1115 | fprintf(stderr, "DEBUG: cupsBitsPerColor = %d\n", header.cupsBitsPerColor); | |
1116 | fprintf(stderr, "DEBUG: cupsBitsPerPixel = %d\n", header.cupsBitsPerPixel); | |
1117 | fprintf(stderr, "DEBUG: cupsBytesPerLine = %d\n", header.cupsBytesPerLine); | |
1118 | fprintf(stderr, "DEBUG: cupsColorOrder = %d\n", header.cupsColorOrder); | |
1119 | fprintf(stderr, "DEBUG: cupsColorSpace = %d\n", header.cupsColorSpace); | |
64a31f55 | 1120 | fprintf(stderr, "DEBUG: img->colorspace = %d\n", img->colorspace); |
6e2740f1 | 1121 | |
081ab09a | 1122 | row = malloc(2 * header.cupsBytesPerLine); |
6de9968b | 1123 | ras = cupsRasterOpen(1, CUPS_RASTER_WRITE); |
1124 | blank = img->colorspace < 0 ? 0 : ~0; | |
6e2740f1 | 1125 | |
6de9968b | 1126 | for (i = 0, page = 1; i < Copies; i ++) |
6e2740f1 | 1127 | for (xpage = 0; xpage < xpages; xpage ++) |
6de9968b | 1128 | for (ypage = 0; ypage < ypages; ypage ++, page ++) |
6e2740f1 | 1129 | { |
6de9968b | 1130 | fprintf(stderr, "INFO: Formatting page %d...\n", page); |
1131 | ||
f4771f31 | 1132 | if (Orientation & 1) |
6e2740f1 | 1133 | { |
f4771f31 | 1134 | x0 = img->xsize * ypage / ypages; |
1135 | x1 = img->xsize * (ypage + 1) / ypages - 1; | |
1136 | y0 = img->ysize * xpage / xpages; | |
1137 | y1 = img->ysize * (xpage + 1) / xpages - 1; | |
1138 | ||
1139 | xtemp = header.HWResolution[0] * yprint; | |
1140 | ytemp = header.HWResolution[1] * xprint; | |
6e2740f1 | 1141 | } |
1142 | else | |
1143 | { | |
f4771f31 | 1144 | x0 = img->xsize * xpage / xpages; |
1145 | x1 = img->xsize * (xpage + 1) / xpages - 1; | |
1146 | y0 = img->ysize * ypage / ypages; | |
1147 | y1 = img->ysize * (ypage + 1) / ypages - 1; | |
5398375f | 1148 | |
f4771f31 | 1149 | xtemp = header.HWResolution[0] * xprint; |
1150 | ytemp = header.HWResolution[1] * yprint; | |
1151 | } | |
6e2740f1 | 1152 | |
6de9968b | 1153 | cupsRasterWriteHeader(ras, &header); |
6e2740f1 | 1154 | |
64a31f55 | 1155 | for (plane = 0; plane < num_planes; plane ++) |
1156 | { | |
1157 | /* | |
1158 | * Initialize the image "zoom" engine... | |
1159 | */ | |
1160 | ||
1161 | z = ImageZoomAlloc(img, x0, y0, x1, y1, xtemp, ytemp, Orientation & 1); | |
1162 | ||
1163 | /* | |
1164 | * Write leading blank space as needed... | |
1165 | */ | |
1166 | ||
c5da5726 | 1167 | if (header.cupsHeight > z->ysize && YPosition <= 0) |
64a31f55 | 1168 | { |
1169 | memset(row, blank, header.cupsBytesPerLine); | |
1170 | ||
c5da5726 | 1171 | y = header.cupsHeight - z->ysize; |
1172 | if (YPosition == 0) | |
1173 | y /= 2; | |
1174 | ||
1175 | for (; y > 0; y --) | |
64a31f55 | 1176 | { |
1177 | if (cupsRasterWritePixels(ras, row, header.cupsBytesPerLine) < | |
1178 | header.cupsBytesPerLine) | |
1179 | { | |
1180 | fputs("ERROR: Unable to write raster data to driver!\n", stderr); | |
1181 | ImageClose(img); | |
1182 | exit(1); | |
1183 | } | |
1184 | } | |
1185 | } | |
6e2740f1 | 1186 | |
64a31f55 | 1187 | /* |
1188 | * Then write image data... | |
1189 | */ | |
1190 | ||
f4771f31 | 1191 | for (y = z->ysize, yerr0 = 0, yerr1 = z->ysize, iy = 0, last_iy = -2; |
64a31f55 | 1192 | y > 0; |
1193 | y --) | |
6e2740f1 | 1194 | { |
64a31f55 | 1195 | if (iy != last_iy) |
1196 | { | |
1197 | if (header.cupsBitsPerColor >= 8) | |
1198 | { | |
1199 | /* | |
1200 | * Do bilinear interpolation for 8+ bpp images... | |
1201 | */ | |
1202 | ||
1203 | if ((iy - last_iy) > 1) | |
1204 | ImageZoomFill(z, iy); | |
1205 | ||
1206 | ImageZoomFill(z, iy + z->yincr); | |
1207 | } | |
1208 | else | |
1209 | { | |
1210 | /* | |
1211 | * Just do nearest-neighbor sampling for < 8 bpp images... | |
1212 | */ | |
1213 | ||
1214 | ImageZoomQFill(z, iy); | |
1215 | } | |
1216 | ||
1217 | last_iy = iy; | |
1218 | } | |
1219 | ||
1220 | /* | |
1221 | * Format this line of raster data for the printer... | |
1222 | */ | |
1223 | ||
1224 | memset(row, blank, header.cupsBytesPerLine); | |
1225 | ||
1226 | r0 = z->rows[z->row]; | |
1227 | r1 = z->rows[1 - z->row]; | |
1228 | ||
1229 | switch (header.cupsColorSpace) | |
1230 | { | |
1231 | case CUPS_CSPACE_W : | |
1232 | format_W(&header, row, y, plane, z->xsize, z->ysize, | |
1233 | yerr0, yerr1, r0, r1); | |
1234 | break; | |
1235 | case CUPS_CSPACE_RGB : | |
1236 | format_RGB(&header, row, y, plane, z->xsize, z->ysize, | |
1237 | yerr0, yerr1, r0, r1); | |
1238 | break; | |
1239 | case CUPS_CSPACE_RGBA : | |
1240 | format_RGBA(&header, row, y, plane, z->xsize, z->ysize, | |
1241 | yerr0, yerr1, r0, r1); | |
1242 | break; | |
1243 | case CUPS_CSPACE_K : | |
6ec191fc | 1244 | case CUPS_CSPACE_WHITE : |
1245 | case CUPS_CSPACE_GOLD : | |
1246 | case CUPS_CSPACE_SILVER : | |
64a31f55 | 1247 | format_K(&header, row, y, plane, z->xsize, z->ysize, |
1248 | yerr0, yerr1, r0, r1); | |
1249 | break; | |
1250 | case CUPS_CSPACE_CMY : | |
1251 | format_CMY(&header, row, y, plane, z->xsize, z->ysize, | |
1252 | yerr0, yerr1, r0, r1); | |
1253 | break; | |
1254 | case CUPS_CSPACE_YMC : | |
1255 | format_YMC(&header, row, y, plane, z->xsize, z->ysize, | |
1256 | yerr0, yerr1, r0, r1); | |
1257 | break; | |
1258 | case CUPS_CSPACE_CMYK : | |
1259 | format_CMYK(&header, row, y, plane, z->xsize, z->ysize, | |
1260 | yerr0, yerr1, r0, r1); | |
1261 | break; | |
1262 | case CUPS_CSPACE_YMCK : | |
6ec191fc | 1263 | case CUPS_CSPACE_GMCK : |
1264 | case CUPS_CSPACE_GMCS : | |
64a31f55 | 1265 | format_YMCK(&header, row, y, plane, z->xsize, z->ysize, |
1266 | yerr0, yerr1, r0, r1); | |
1267 | break; | |
1268 | case CUPS_CSPACE_KCMY : | |
1269 | format_KCMY(&header, row, y, plane, z->xsize, z->ysize, | |
1270 | yerr0, yerr1, r0, r1); | |
1271 | break; | |
1272 | case CUPS_CSPACE_KCMYcm : | |
1273 | format_KCMYcm(&header, row, y, plane, z->xsize, z->ysize, | |
1274 | yerr0, yerr1, r0, r1); | |
1275 | break; | |
1276 | } | |
1277 | ||
1278 | /* | |
1279 | * Write the raster data to the driver... | |
1280 | */ | |
1281 | ||
6de9968b | 1282 | if (cupsRasterWritePixels(ras, row, header.cupsBytesPerLine) < |
c5da5726 | 1283 | header.cupsBytesPerLine) |
04aee1f9 | 1284 | { |
64a31f55 | 1285 | fputs("ERROR: Unable to write raster data to driver!\n", stderr); |
04aee1f9 | 1286 | ImageClose(img); |
6de9968b | 1287 | exit(1); |
1288 | } | |
6e2740f1 | 1289 | |
64a31f55 | 1290 | /* |
1291 | * Compute the next scanline in the image... | |
1292 | */ | |
1293 | ||
1294 | iy += z->ystep; | |
f4771f31 | 1295 | yerr0 += z->ymod; |
1296 | yerr1 -= z->ymod; | |
1297 | if (yerr1 <= 0) | |
64a31f55 | 1298 | { |
f4771f31 | 1299 | yerr0 -= z->ysize; |
1300 | yerr1 += z->ysize; | |
64a31f55 | 1301 | iy += z->yincr; |
1302 | } | |
1303 | } | |
1304 | ||
1305 | /* | |
1306 | * Write trailing blank space as needed... | |
1307 | */ | |
1308 | ||
6f50316f | 1309 | if (header.cupsHeight > z->ysize && YPosition >= 0) |
6e2740f1 | 1310 | { |
64a31f55 | 1311 | memset(row, blank, header.cupsBytesPerLine); |
1312 | ||
c5da5726 | 1313 | y = header.cupsHeight - z->ysize; |
1314 | if (YPosition == 0) | |
1315 | y = y - y / 2; | |
1316 | ||
1317 | for (; y > 0; y --) | |
6e2740f1 | 1318 | { |
64a31f55 | 1319 | if (cupsRasterWritePixels(ras, row, header.cupsBytesPerLine) < |
1320 | header.cupsBytesPerLine) | |
1321 | { | |
1322 | fputs("ERROR: Unable to write raster data to driver!\n", stderr); | |
1323 | ImageClose(img); | |
1324 | exit(1); | |
1325 | } | |
6e2740f1 | 1326 | } |
6de9968b | 1327 | } |
6e2740f1 | 1328 | |
64a31f55 | 1329 | /* |
1330 | * Free memory used for the "zoom" engine... | |
1331 | */ | |
1332 | ||
1333 | ImageZoomFree(z); | |
1334 | } | |
1335 | } | |
1336 | ||
1337 | /* | |
1338 | * Close files... | |
1339 | */ | |
1340 | ||
1341 | free(row); | |
1342 | cupsRasterClose(ras); | |
1343 | ImageClose(img); | |
1344 | ppdClose(ppd); | |
1345 | ||
1346 | return (0); | |
1347 | } | |
1348 | ||
1349 | ||
5772377d | 1350 | /* |
7ce9aa3d | 1351 | * 'exec_code()' - Execute PostScript setpagedevice commands as appropriate. |
5772377d | 1352 | */ |
1353 | ||
1354 | static void | |
7ce9aa3d | 1355 | exec_code(cups_page_header_t *header, /* I - Page header */ |
1356 | const char *code) /* I - Option choice to execute */ | |
5772377d | 1357 | { |
7ce9aa3d | 1358 | char *ptr, /* Pointer into name/value string */ |
5772377d | 1359 | name[255], /* Name of pagedevice entry */ |
1360 | value[1024]; /* Value of pagedevice entry */ | |
1361 | ||
1362 | ||
7ce9aa3d | 1363 | for (; *code != '\0';) |
5772377d | 1364 | { |
1365 | /* | |
1366 | * Search for the start of a dictionary name... | |
1367 | */ | |
1368 | ||
1369 | while (*code != '/' && *code != '\0') | |
1370 | code ++; | |
1371 | ||
1372 | if (*code == '\0') | |
1373 | break; | |
1374 | ||
1375 | /* | |
1376 | * Get the name... | |
1377 | */ | |
1378 | ||
1379 | code ++; | |
1380 | for (ptr = name; isalnum(*code) && (ptr - name) < (sizeof(name) - 1);) | |
1381 | *ptr++ = *code++; | |
1382 | *ptr = '\0'; | |
1383 | ||
1384 | /* | |
1385 | * The parse the value as needed... | |
1386 | */ | |
1387 | ||
1388 | while (isspace(*code)) | |
1389 | code ++; | |
1390 | ||
1391 | if (*code == '\0') | |
1392 | break; | |
1393 | ||
1394 | if (*code == '[') | |
1395 | { | |
1396 | /* | |
1397 | * Read array of values... | |
1398 | */ | |
1399 | ||
1400 | code ++; | |
1401 | for (ptr = value; | |
1402 | *code != ']' && *code != '\0' && | |
1403 | (ptr - value) < (sizeof(value) - 1);) | |
1404 | *ptr++ = *code++; | |
1405 | *ptr = '\0'; | |
1406 | } | |
1407 | else if (*code == '(') | |
1408 | { | |
1409 | /* | |
1410 | * Read string value... | |
1411 | */ | |
1412 | ||
1413 | code ++; | |
1414 | for (ptr = value; | |
1415 | *code != ')' && *code != '\0' && | |
1416 | (ptr - value) < (sizeof(value) - 1);) | |
1417 | if (*code == '\\') | |
1418 | { | |
1419 | code ++; | |
1420 | if (isdigit(*code)) | |
7ce9aa3d | 1421 | *ptr++ = (char)strtol(code, (char **)&code, 8); |
5772377d | 1422 | else |
1423 | *ptr++ = *code++; | |
1424 | } | |
1425 | else | |
1426 | *ptr++ = *code++; | |
1427 | ||
1428 | *ptr = '\0'; | |
1429 | } | |
1430 | else if (isdigit(*code) || *code == '-') | |
1431 | { | |
1432 | /* | |
1433 | * Read single number... | |
1434 | */ | |
1435 | ||
1436 | for (ptr = value; | |
1437 | (isdigit(*code) || *code == '-') && | |
1438 | (ptr - value) < (sizeof(value) - 1);) | |
1439 | *ptr++ = *code++; | |
1440 | *ptr = '\0'; | |
1441 | } | |
1442 | else | |
1443 | continue; | |
1444 | ||
1445 | /* | |
1446 | * Assign the value as needed... | |
1447 | */ | |
1448 | ||
1449 | if (strcmp(name, "cupsMediaType") == 0) | |
1450 | header->cupsMediaType = atoi(value); | |
1451 | else if (strcmp(name, "cupsBitsPerColor") == 0) | |
1452 | header->cupsBitsPerColor = atoi(value); | |
1453 | else if (strcmp(name, "cupsColorOrder") == 0) | |
1454 | header->cupsColorOrder = (cups_order_t)atoi(value); | |
1455 | else if (strcmp(name, "cupsColorSpace") == 0) | |
1456 | header->cupsColorSpace = (cups_cspace_t)atoi(value); | |
1457 | else if (strcmp(name, "cupsCompression") == 0) | |
1458 | header->cupsCompression = atoi(value); | |
1459 | else if (strcmp(name, "cupsRowCount") == 0) | |
1460 | header->cupsRowCount = atoi(value); | |
1461 | else if (strcmp(name, "cupsRowFeed") == 0) | |
1462 | header->cupsRowFeed = atoi(value); | |
1463 | else if (strcmp(name, "cupsRowStep") == 0) | |
1464 | header->cupsRowStep = atoi(value); | |
422739ac | 1465 | else if (strcmp(name, "CutMedia") == 0) |
1466 | header->CutMedia = (cups_cut_t)atoi(value); | |
5772377d | 1467 | else if (strcmp(name, "HWResolution") == 0) |
1468 | sscanf(value, "%d%d", header->HWResolution + 0, header->HWResolution + 1); | |
bc058c97 | 1469 | else if (strcmp(name, "cupsMediaPosition") == 0 || /* Compatibility */ |
1470 | strcmp(name, "MediaPosition") == 0) | |
5772377d | 1471 | header->MediaPosition = atoi(value); |
7ceb4986 | 1472 | else if (strcmp(name, "MediaClass") == 0) |
1473 | strncpy(header->MediaClass, value, sizeof(header->MediaClass) - 1); | |
1474 | else if (strcmp(name, "MediaColor") == 0) | |
1475 | strncpy(header->MediaColor, value, sizeof(header->MediaColor) - 1); | |
5772377d | 1476 | else if (strcmp(name, "MediaType") == 0) |
970017a4 | 1477 | strncpy(header->MediaType, value, sizeof(header->MediaType) - 1); |
5772377d | 1478 | else if (strcmp(name, "OutputType") == 0) |
970017a4 | 1479 | strncpy(header->OutputType, value, sizeof(header->OutputType) - 1); |
5772377d | 1480 | } |
1481 | } | |
1482 | ||
1483 | ||
64a31f55 | 1484 | /* |
1485 | * 'format_CMY()' - Convert image data to CMY. | |
1486 | */ | |
1487 | ||
1488 | static void | |
1489 | format_CMY(cups_page_header_t *header, /* I - Page header */ | |
1490 | unsigned char *row, /* IO - Bitmap data for device */ | |
1491 | int y, /* I - Current row */ | |
1492 | int z, /* I - Current plane */ | |
1493 | int xsize, /* I - Width of image data */ | |
1494 | int ysize, /* I - Height of image data */ | |
1495 | int yerr0, /* I - Top Y error */ | |
1496 | int yerr1, /* I - Bottom Y error */ | |
1497 | ib_t *r0, /* I - Primary image data */ | |
1498 | ib_t *r1) /* I - Image data for interpolation */ | |
1499 | { | |
1500 | ib_t *ptr, /* Pointer into row */ | |
1501 | *cptr, /* Pointer into cyan */ | |
1502 | *mptr, /* Pointer into magenta */ | |
1503 | *yptr, /* Pointer into yellow */ | |
1504 | bitmask; /* Current mask for pixel */ | |
1505 | int bitoffset; /* Current offset in line */ | |
1506 | int bandwidth; /* Width of a color band */ | |
1507 | int x, /* Current X coordinate on page */ | |
1508 | *dither; /* Pointer into dither array */ | |
6de9968b | 1509 | |
6de9968b | 1510 | |
c5da5726 | 1511 | switch (XPosition) |
1512 | { | |
1513 | case -1 : | |
1514 | bitoffset = 0; | |
1515 | break; | |
b6ea8f29 | 1516 | default : |
c5da5726 | 1517 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); |
1518 | break; | |
1519 | case 1 : | |
1520 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
1521 | break; | |
1522 | } | |
6e2740f1 | 1523 | |
64a31f55 | 1524 | ptr = row + bitoffset / 8; |
422739ac | 1525 | bandwidth = header->cupsBytesPerLine / 3; |
6e2740f1 | 1526 | |
64a31f55 | 1527 | switch (header->cupsColorOrder) |
1528 | { | |
1529 | case CUPS_ORDER_CHUNKED : | |
1530 | switch (header->cupsBitsPerColor) | |
1531 | { | |
1532 | case 1 : | |
1533 | bitmask = 64 >> (bitoffset & 7); | |
1534 | dither = Floyd16x16[y & 15]; | |
1535 | ||
1536 | for (x = xsize ; x > 0; x --) | |
1537 | { | |
1538 | if (*r0++ > dither[x & 15]) | |
1539 | *ptr ^= bitmask; | |
1540 | bitmask >>= 1; | |
1541 | ||
1542 | if (*r0++ > dither[x & 15]) | |
1543 | *ptr ^= bitmask; | |
1544 | bitmask >>= 1; | |
1545 | ||
1546 | if (*r0++ > dither[x & 15]) | |
1547 | *ptr ^= bitmask; | |
1548 | ||
1549 | if (bitmask > 1) | |
1550 | bitmask >>= 2; | |
1551 | else | |
6e2740f1 | 1552 | { |
64a31f55 | 1553 | bitmask = 64; |
1554 | ptr ++; | |
1555 | } | |
1556 | } | |
1557 | break; | |
1558 | ||
1559 | case 2 : | |
1560 | dither = Floyd8x8[y & 7]; | |
1561 | ||
1562 | for (x = xsize ; x > 0; x --, r0 += 3) | |
1563 | { | |
1564 | if ((r0[0] & 63) > dither[x & 7]) | |
1565 | *ptr ^= (0x30 & OnPixels[r0[0]]); | |
1566 | else | |
1567 | *ptr ^= (0x30 & OffPixels[r0[0]]); | |
1568 | ||
1569 | if ((r0[1] & 63) > dither[x & 7]) | |
1570 | *ptr ^= (0x0c & OnPixels[r0[1]]); | |
1571 | else | |
1572 | *ptr ^= (0x0c & OffPixels[r0[1]]); | |
1573 | ||
1574 | if ((r0[2] & 63) > dither[x & 7]) | |
1575 | *ptr++ ^= (0x03 & OnPixels[r0[2]]); | |
1576 | else | |
1577 | *ptr++ ^= (0x03 & OffPixels[r0[2]]); | |
1578 | } | |
1579 | break; | |
1580 | ||
1581 | case 4 : | |
1582 | dither = Floyd4x4[y & 3]; | |
1583 | ||
1584 | for (x = xsize ; x > 0; x --, r0 += 3) | |
1585 | { | |
1586 | if ((r0[0] & 15) > dither[x & 3]) | |
1587 | *ptr++ ^= (0x0f & OnPixels[r0[0]]); | |
1588 | else | |
1589 | *ptr++ ^= (0x0f & OffPixels[r0[0]]); | |
1590 | ||
1591 | if ((r0[1] & 15) > dither[x & 3]) | |
1592 | *ptr ^= (0xf0 & OnPixels[r0[1]]); | |
1593 | else | |
1594 | *ptr ^= (0xf0 & OffPixels[r0[1]]); | |
1595 | ||
1596 | if ((r0[2] & 15) > dither[x & 3]) | |
1597 | *ptr++ ^= (0x0f & OnPixels[r0[2]]); | |
1598 | else | |
1599 | *ptr++ ^= (0x0f & OffPixels[r0[2]]); | |
1600 | } | |
1601 | break; | |
1602 | ||
1603 | case 8 : | |
1604 | for (x = xsize * 3; x > 0; x --, r0 ++, r1 ++) | |
1605 | if (*r0 == *r1) | |
1606 | *ptr++ = *r0; | |
1607 | else | |
1608 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
1609 | break; | |
1610 | } | |
1611 | break; | |
1612 | ||
1613 | case CUPS_ORDER_BANDED : | |
1614 | cptr = ptr; | |
1615 | mptr = ptr + bandwidth; | |
1616 | yptr = ptr + 2 * bandwidth; | |
1617 | ||
1618 | switch (header->cupsBitsPerColor) | |
1619 | { | |
1620 | case 1 : | |
1621 | bitmask = 0x80 >> (bitoffset & 7); | |
1622 | dither = Floyd16x16[y & 15]; | |
1623 | ||
1624 | for (x = xsize; x > 0; x --) | |
1625 | { | |
1626 | if (*r0++ > dither[x & 15]) | |
1627 | *cptr ^= bitmask; | |
1628 | if (*r0++ > dither[x & 15]) | |
1629 | *mptr ^= bitmask; | |
1630 | if (*r0++ > dither[x & 15]) | |
1631 | *yptr ^= bitmask; | |
1632 | ||
1633 | if (bitmask > 1) | |
1634 | bitmask >>= 1; | |
1635 | else | |
1636 | { | |
1637 | bitmask = 0x80; | |
1638 | cptr ++; | |
1639 | mptr ++; | |
1640 | yptr ++; | |
1641 | } | |
1642 | } | |
1643 | break; | |
1644 | ||
1645 | case 2 : | |
1646 | bitmask = 0xc0 >> (bitoffset & 7); | |
1647 | dither = Floyd8x8[y & 7]; | |
1648 | ||
1649 | for (x = xsize; x > 0; x --) | |
1650 | { | |
1651 | if ((*r0 & 63) > dither[x & 7]) | |
1652 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
1653 | else | |
1654 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
1655 | ||
1656 | if ((*r0 & 63) > dither[x & 7]) | |
1657 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
1658 | else | |
1659 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
1660 | ||
1661 | if ((*r0 & 63) > dither[x & 7]) | |
1662 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
1663 | else | |
1664 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
1665 | ||
1666 | if (bitmask > 3) | |
1667 | bitmask >>= 2; | |
1668 | else | |
1669 | { | |
1670 | bitmask = 0xc0; | |
1671 | ||
1672 | cptr ++; | |
1673 | mptr ++; | |
1674 | yptr ++; | |
1675 | } | |
1676 | } | |
1677 | break; | |
1678 | ||
1679 | case 4 : | |
1680 | bitmask = 0xf0 >> (bitoffset & 7); | |
1681 | dither = Floyd4x4[y & 3]; | |
1682 | ||
1683 | for (x = xsize; x > 0; x --) | |
1684 | { | |
1685 | if ((*r0 & 15) > dither[x & 3]) | |
1686 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
1687 | else | |
1688 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
1689 | ||
1690 | if ((*r0 & 15) > dither[x & 3]) | |
1691 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
1692 | else | |
1693 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
1694 | ||
1695 | if ((*r0 & 15) > dither[x & 3]) | |
1696 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
1697 | else | |
1698 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
1699 | ||
1700 | if (bitmask == 0xf0) | |
1701 | bitmask = 0x0f; | |
1702 | else | |
1703 | { | |
1704 | bitmask = 0xf0; | |
1705 | ||
1706 | cptr ++; | |
1707 | mptr ++; | |
1708 | yptr ++; | |
1709 | } | |
1710 | } | |
1711 | break; | |
1712 | ||
1713 | case 8 : | |
1714 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
1715 | { | |
1716 | if (r0[0] == r1[0]) | |
1717 | *cptr++ = r0[0]; | |
1718 | else | |
1719 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
1720 | ||
1721 | if (r0[1] == r1[1]) | |
1722 | *mptr++ = r0[1]; | |
1723 | else | |
1724 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
1725 | ||
1726 | if (r0[2] == r1[2]) | |
1727 | *yptr++ = r0[2]; | |
1728 | else | |
1729 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
1730 | } | |
1731 | break; | |
1732 | } | |
1733 | break; | |
1734 | ||
1735 | case CUPS_ORDER_PLANAR : | |
1736 | switch (header->cupsBitsPerColor) | |
1737 | { | |
1738 | case 1 : | |
1739 | bitmask = 0x80 >> (bitoffset & 7); | |
1740 | dither = Floyd16x16[y & 15]; | |
1741 | ||
1742 | switch (z) | |
1743 | { | |
1744 | case 0 : | |
1745 | for (x = xsize; x > 0; x --, r0 += 3) | |
6de9968b | 1746 | { |
64a31f55 | 1747 | if (r0[0] > dither[x & 15]) |
1748 | *ptr ^= bitmask; | |
1749 | ||
1750 | if (bitmask > 1) | |
1751 | bitmask >>= 1; | |
1752 | else | |
1753 | { | |
1754 | bitmask = 0x80; | |
1755 | ptr ++; | |
1756 | } | |
1757 | } | |
1758 | break; | |
1759 | ||
1760 | case 1 : | |
1761 | for (x = xsize; x > 0; x --, r0 += 3) | |
6de9968b | 1762 | { |
64a31f55 | 1763 | if (r0[1] > dither[x & 15]) |
1764 | *ptr ^= bitmask; | |
1765 | ||
1766 | if (bitmask > 1) | |
1767 | bitmask >>= 1; | |
1768 | else | |
1769 | { | |
1770 | bitmask = 0x80; | |
1771 | ptr ++; | |
1772 | } | |
1773 | } | |
1774 | break; | |
1775 | ||
1776 | case 2 : | |
1777 | for (x = xsize; x > 0; x --, r0 += 3) | |
1778 | { | |
1779 | if (r0[2] > dither[x & 15]) | |
1780 | *ptr ^= bitmask; | |
1781 | ||
1782 | if (bitmask > 1) | |
1783 | bitmask >>= 1; | |
1784 | else | |
1785 | { | |
1786 | bitmask = 0x80; | |
1787 | ptr ++; | |
1788 | } | |
1789 | } | |
1790 | break; | |
1791 | } | |
1792 | break; | |
1793 | ||
1794 | case 2 : | |
1795 | bitmask = 0xc0 >> (bitoffset & 7); | |
1796 | dither = Floyd8x8[y & 7]; | |
1797 | r0 += z; | |
1798 | ||
1799 | for (x = xsize; x > 0; x --, r0 += 3) | |
1800 | { | |
1801 | if ((*r0 & 63) > dither[x & 7]) | |
1802 | *ptr ^= (bitmask & OnPixels[*r0]); | |
1803 | else | |
1804 | *ptr ^= (bitmask & OffPixels[*r0]); | |
1805 | ||
1806 | if (bitmask > 3) | |
1807 | bitmask >>= 2; | |
1808 | else | |
1809 | { | |
1810 | bitmask = 0xc0; | |
1811 | ||
1812 | ptr ++; | |
1813 | } | |
1814 | } | |
1815 | break; | |
1816 | ||
1817 | case 4 : | |
1818 | bitmask = 0xf0 >> (bitoffset & 7); | |
1819 | dither = Floyd4x4[y & 3]; | |
1820 | r0 += z; | |
1821 | ||
1822 | for (x = xsize; x > 0; x --, r0 += 3) | |
1823 | { | |
1824 | if ((*r0 & 15) > dither[x & 3]) | |
1825 | *ptr ^= (bitmask & OnPixels[*r0]); | |
1826 | else | |
1827 | *ptr ^= (bitmask & OffPixels[*r0]); | |
1828 | ||
1829 | if (bitmask == 0xf0) | |
1830 | bitmask = 0x0f; | |
1831 | else | |
1832 | { | |
1833 | bitmask = 0xf0; | |
1834 | ||
1835 | ptr ++; | |
1836 | } | |
1837 | } | |
1838 | break; | |
1839 | ||
1840 | case 8 : | |
1841 | r0 += z; | |
1842 | r1 += z; | |
1843 | ||
1844 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
1845 | { | |
1846 | if (*r0 == *r1) | |
1847 | *ptr++ = *r0; | |
1848 | else | |
1849 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
1850 | } | |
1851 | break; | |
1852 | } | |
1853 | break; | |
1854 | } | |
1855 | } | |
1856 | ||
1857 | ||
1858 | /* | |
1859 | * 'format_CMYK()' - Convert image data to CMYK. | |
1860 | */ | |
1861 | ||
1862 | static void | |
1863 | format_CMYK(cups_page_header_t *header, /* I - Page header */ | |
1864 | unsigned char *row, /* IO - Bitmap data for device */ | |
1865 | int y, /* I - Current row */ | |
1866 | int z, /* I - Current plane */ | |
1867 | int xsize, /* I - Width of image data */ | |
1868 | int ysize, /* I - Height of image data */ | |
1869 | int yerr0, /* I - Top Y error */ | |
1870 | int yerr1, /* I - Bottom Y error */ | |
1871 | ib_t *r0, /* I - Primary image data */ | |
1872 | ib_t *r1) /* I - Image data for interpolation */ | |
1873 | { | |
1874 | ib_t *ptr, /* Pointer into row */ | |
1875 | *cptr, /* Pointer into cyan */ | |
1876 | *mptr, /* Pointer into magenta */ | |
1877 | *yptr, /* Pointer into yellow */ | |
1878 | *kptr, /* Pointer into black */ | |
f4771f31 | 1879 | bitmask; /* Current mask for pixel */ |
64a31f55 | 1880 | int bitoffset; /* Current offset in line */ |
1881 | int bandwidth; /* Width of a color band */ | |
1882 | int x, /* Current X coordinate on page */ | |
1883 | *dither; /* Pointer into dither array */ | |
1884 | ||
1885 | ||
c5da5726 | 1886 | switch (XPosition) |
1887 | { | |
1888 | case -1 : | |
1889 | bitoffset = 0; | |
1890 | break; | |
b6ea8f29 | 1891 | default : |
c5da5726 | 1892 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); |
1893 | break; | |
1894 | case 1 : | |
1895 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
1896 | break; | |
1897 | } | |
64a31f55 | 1898 | |
1899 | ptr = row + bitoffset / 8; | |
1900 | bandwidth = header->cupsBytesPerLine / 4; | |
1901 | ||
1902 | switch (header->cupsColorOrder) | |
1903 | { | |
1904 | case CUPS_ORDER_CHUNKED : | |
1905 | switch (header->cupsBitsPerColor) | |
1906 | { | |
1907 | case 1 : | |
1908 | bitmask = 128 >> (bitoffset & 7); | |
1909 | dither = Floyd16x16[y & 15]; | |
1910 | ||
1911 | for (x = xsize ; x > 0; x --) | |
1912 | { | |
1913 | if (*r0++ > dither[x & 15]) | |
1914 | *ptr ^= bitmask; | |
1915 | bitmask >>= 1; | |
1916 | ||
1917 | if (*r0++ > dither[x & 15]) | |
1918 | *ptr ^= bitmask; | |
1919 | bitmask >>= 1; | |
1920 | ||
f4771f31 | 1921 | if (*r0++ > dither[x & 15]) |
1922 | *ptr ^= bitmask; | |
1923 | bitmask >>= 1; | |
1924 | ||
64a31f55 | 1925 | if (*r0++ > dither[x & 15]) |
1926 | *ptr ^= bitmask; | |
1927 | ||
f4771f31 | 1928 | if (bitmask > 1) |
1929 | bitmask >>= 1; | |
64a31f55 | 1930 | else |
6e2740f1 | 1931 | { |
64a31f55 | 1932 | bitmask = 128; |
64a31f55 | 1933 | ptr ++; |
1934 | } | |
1935 | } | |
64a31f55 | 1936 | break; |
1937 | ||
1938 | case 2 : | |
1939 | dither = Floyd8x8[y & 7]; | |
1940 | ||
1941 | for (x = xsize ; x > 0; x --, r0 += 4) | |
1942 | { | |
1943 | if ((r0[0] & 63) > dither[x & 7]) | |
1944 | *ptr ^= (0xc0 & OnPixels[r0[0]]); | |
1945 | else | |
1946 | *ptr ^= (0xc0 & OffPixels[r0[0]]); | |
1947 | ||
1948 | if ((r0[1] & 63) > dither[x & 7]) | |
1949 | *ptr ^= (0x30 & OnPixels[r0[1]]); | |
1950 | else | |
1951 | *ptr ^= (0x30 & OffPixels[r0[1]]); | |
1952 | ||
1953 | if ((r0[2] & 63) > dither[x & 7]) | |
1954 | *ptr ^= (0x0c & OnPixels[r0[2]]); | |
1955 | else | |
1956 | *ptr ^= (0x0c & OffPixels[r0[2]]); | |
1957 | ||
1958 | if ((r0[3] & 63) > dither[x & 7]) | |
1959 | *ptr++ ^= (0x03 & OnPixels[r0[3]]); | |
1960 | else | |
1961 | *ptr++ ^= (0x03 & OffPixels[r0[3]]); | |
1962 | } | |
1963 | break; | |
1964 | ||
1965 | case 4 : | |
1966 | dither = Floyd4x4[y & 3]; | |
1967 | ||
1968 | for (x = xsize ; x > 0; x --, r0 += 4) | |
1969 | { | |
1970 | if ((r0[0] & 15) > dither[x & 3]) | |
1971 | *ptr ^= (0xf0 & OnPixels[r0[0]]); | |
1972 | else | |
1973 | *ptr ^= (0xf0 & OffPixels[r0[0]]); | |
1974 | ||
1975 | if ((r0[1] & 15) > dither[x & 3]) | |
1976 | *ptr++ ^= (0x0f & OnPixels[r0[1]]); | |
1977 | else | |
1978 | *ptr++ ^= (0x0f & OffPixels[r0[1]]); | |
1979 | ||
1980 | if ((r0[2] & 15) > dither[x & 3]) | |
1981 | *ptr ^= (0xf0 & OnPixels[r0[2]]); | |
1982 | else | |
1983 | *ptr ^= (0xf0 & OffPixels[r0[2]]); | |
1984 | ||
1985 | if ((r0[3] & 15) > dither[x & 3]) | |
1986 | *ptr++ ^= (0x0f & OnPixels[r0[3]]); | |
1987 | else | |
1988 | *ptr++ ^= (0x0f & OffPixels[r0[3]]); | |
1989 | } | |
1990 | break; | |
1991 | ||
1992 | case 8 : | |
1993 | for (x = xsize * 4; x > 0; x --, r0 ++, r1 ++) | |
1994 | if (*r0 == *r1) | |
1995 | *ptr++ = *r0; | |
1996 | else | |
1997 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
1998 | break; | |
1999 | } | |
2000 | break; | |
2001 | ||
2002 | case CUPS_ORDER_BANDED : | |
2003 | cptr = ptr; | |
2004 | mptr = ptr + bandwidth; | |
2005 | yptr = ptr + 2 * bandwidth; | |
2006 | kptr = ptr + 3 * bandwidth; | |
2007 | ||
2008 | switch (header->cupsBitsPerColor) | |
2009 | { | |
2010 | case 1 : | |
2011 | bitmask = 0x80 >> (bitoffset & 7); | |
2012 | dither = Floyd16x16[y & 15]; | |
2013 | ||
2014 | for (x = xsize; x > 0; x --) | |
2015 | { | |
2016 | if (*r0++ > dither[x & 15]) | |
2017 | *cptr ^= bitmask; | |
2018 | if (*r0++ > dither[x & 15]) | |
2019 | *mptr ^= bitmask; | |
2020 | if (*r0++ > dither[x & 15]) | |
2021 | *yptr ^= bitmask; | |
f4771f31 | 2022 | if (*r0++ > dither[x & 15]) |
2023 | *kptr ^= bitmask; | |
64a31f55 | 2024 | |
2025 | if (bitmask > 1) | |
2026 | bitmask >>= 1; | |
2027 | else | |
2028 | { | |
2029 | bitmask = 0x80; | |
f4771f31 | 2030 | cptr ++; |
2031 | mptr ++; | |
2032 | yptr ++; | |
2033 | kptr ++; | |
64a31f55 | 2034 | } |
2035 | } | |
64a31f55 | 2036 | break; |
2037 | ||
2038 | case 2 : | |
2039 | bitmask = 0xc0 >> (bitoffset & 7); | |
2040 | dither = Floyd8x8[y & 7]; | |
2041 | ||
2042 | for (x = xsize; x > 0; x --) | |
2043 | { | |
2044 | if ((*r0 & 63) > dither[x & 7]) | |
2045 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
2046 | else | |
2047 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
2048 | ||
2049 | if ((*r0 & 63) > dither[x & 7]) | |
2050 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
2051 | else | |
2052 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
2053 | ||
2054 | if ((*r0 & 63) > dither[x & 7]) | |
2055 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
2056 | else | |
2057 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
2058 | ||
2059 | if ((*r0 & 63) > dither[x & 7]) | |
2060 | *kptr ^= (bitmask & OnPixels[*r0++]); | |
2061 | else | |
2062 | *kptr ^= (bitmask & OffPixels[*r0++]); | |
2063 | ||
2064 | if (bitmask > 3) | |
2065 | bitmask >>= 2; | |
2066 | else | |
2067 | { | |
2068 | bitmask = 0xc0; | |
2069 | ||
2070 | cptr ++; | |
2071 | mptr ++; | |
2072 | yptr ++; | |
2073 | kptr ++; | |
2074 | } | |
2075 | } | |
2076 | break; | |
2077 | ||
2078 | case 4 : | |
2079 | bitmask = 0xf0 >> (bitoffset & 7); | |
2080 | dither = Floyd4x4[y & 3]; | |
2081 | ||
2082 | for (x = xsize; x > 0; x --) | |
2083 | { | |
2084 | if ((*r0 & 15) > dither[x & 3]) | |
2085 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
2086 | else | |
2087 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
2088 | ||
2089 | if ((*r0 & 15) > dither[x & 3]) | |
2090 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
2091 | else | |
2092 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
2093 | ||
2094 | if ((*r0 & 15) > dither[x & 3]) | |
2095 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
2096 | else | |
2097 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
2098 | ||
2099 | if ((*r0 & 15) > dither[x & 3]) | |
2100 | *kptr ^= (bitmask & OnPixels[*r0++]); | |
2101 | else | |
2102 | *kptr ^= (bitmask & OffPixels[*r0++]); | |
2103 | ||
2104 | if (bitmask == 0xf0) | |
2105 | bitmask = 0x0f; | |
2106 | else | |
2107 | { | |
2108 | bitmask = 0xf0; | |
2109 | ||
2110 | cptr ++; | |
2111 | mptr ++; | |
2112 | yptr ++; | |
2113 | kptr ++; | |
2114 | } | |
2115 | } | |
2116 | break; | |
2117 | ||
2118 | case 8 : | |
2119 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
2120 | { | |
2121 | if (r0[0] == r1[0]) | |
2122 | *cptr++ = r0[0]; | |
2123 | else | |
2124 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
2125 | ||
2126 | if (r0[1] == r1[1]) | |
2127 | *mptr++ = r0[1]; | |
2128 | else | |
2129 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
2130 | ||
2131 | if (r0[2] == r1[2]) | |
2132 | *yptr++ = r0[2]; | |
2133 | else | |
2134 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
2135 | ||
2136 | if (r0[3] == r1[3]) | |
2137 | *kptr++ = r0[3]; | |
2138 | else | |
2139 | *kptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize; | |
2140 | } | |
2141 | break; | |
2142 | } | |
2143 | break; | |
2144 | ||
2145 | case CUPS_ORDER_PLANAR : | |
2146 | switch (header->cupsBitsPerColor) | |
2147 | { | |
2148 | case 1 : | |
2149 | bitmask = 0x80 >> (bitoffset & 7); | |
2150 | dither = Floyd16x16[y & 15]; | |
f4771f31 | 2151 | r0 += z; |
64a31f55 | 2152 | |
f4771f31 | 2153 | for (x = xsize; x > 0; x --, r0 += 4) |
2154 | { | |
2155 | if (*r0 > dither[x & 15]) | |
2156 | *ptr ^= bitmask; | |
64a31f55 | 2157 | |
f4771f31 | 2158 | if (bitmask > 1) |
2159 | bitmask >>= 1; | |
2160 | else | |
2161 | { | |
2162 | bitmask = 0x80; | |
2163 | ptr ++; | |
2164 | } | |
64a31f55 | 2165 | } |
f4771f31 | 2166 | break; |
64a31f55 | 2167 | |
2168 | case 2 : | |
2169 | bitmask = 0xc0 >> (bitoffset & 7); | |
2170 | dither = Floyd8x8[y & 7]; | |
f4771f31 | 2171 | r0 += z; |
64a31f55 | 2172 | |
2173 | for (x = xsize; x > 0; x --, r0 += 4) | |
2174 | { | |
2175 | if ((*r0 & 63) > dither[x & 7]) | |
2176 | *ptr ^= (bitmask & OnPixels[*r0]); | |
2177 | else | |
2178 | *ptr ^= (bitmask & OffPixels[*r0]); | |
2179 | ||
2180 | if (bitmask > 3) | |
2181 | bitmask >>= 2; | |
2182 | else | |
2183 | { | |
2184 | bitmask = 0xc0; | |
2185 | ||
2186 | ptr ++; | |
2187 | } | |
2188 | } | |
2189 | break; | |
2190 | ||
2191 | case 4 : | |
2192 | bitmask = 0xf0 >> (bitoffset & 7); | |
2193 | dither = Floyd4x4[y & 3]; | |
2194 | r0 += z; | |
2195 | ||
2196 | for (x = xsize; x > 0; x --, r0 += 4) | |
2197 | { | |
2198 | if ((*r0 & 15) > dither[x & 3]) | |
2199 | *ptr ^= (bitmask & OnPixels[*r0]); | |
2200 | else | |
2201 | *ptr ^= (bitmask & OffPixels[*r0]); | |
2202 | ||
2203 | if (bitmask == 0xf0) | |
2204 | bitmask = 0x0f; | |
2205 | else | |
2206 | { | |
2207 | bitmask = 0xf0; | |
2208 | ||
2209 | ptr ++; | |
2210 | } | |
2211 | } | |
2212 | break; | |
2213 | ||
2214 | case 8 : | |
2215 | r0 += z; | |
2216 | r1 += z; | |
2217 | ||
2218 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
2219 | { | |
2220 | if (*r0 == *r1) | |
2221 | *ptr++ = *r0; | |
2222 | else | |
2223 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
2224 | } | |
2225 | break; | |
2226 | } | |
2227 | break; | |
2228 | } | |
2229 | } | |
2230 | ||
2231 | ||
2232 | /* | |
2233 | * 'format_K()' - Convert image data to black. | |
2234 | */ | |
2235 | ||
2236 | static void | |
2237 | format_K(cups_page_header_t *header, /* I - Page header */ | |
2238 | unsigned char *row, /* IO - Bitmap data for device */ | |
2239 | int y, /* I - Current row */ | |
2240 | int z, /* I - Current plane */ | |
2241 | int xsize, /* I - Width of image data */ | |
2242 | int ysize, /* I - Height of image data */ | |
2243 | int yerr0, /* I - Top Y error */ | |
2244 | int yerr1, /* I - Bottom Y error */ | |
2245 | ib_t *r0, /* I - Primary image data */ | |
2246 | ib_t *r1) /* I - Image data for interpolation */ | |
2247 | { | |
2248 | ib_t *ptr, /* Pointer into row */ | |
2249 | bitmask; /* Current mask for pixel */ | |
2250 | int bitoffset; /* Current offset in line */ | |
2251 | int x, /* Current X coordinate on page */ | |
2252 | *dither; /* Pointer into dither array */ | |
2253 | ||
2254 | ||
a5f8b9e7 | 2255 | (void)z; |
2256 | ||
c5da5726 | 2257 | switch (XPosition) |
2258 | { | |
2259 | case -1 : | |
2260 | bitoffset = 0; | |
2261 | break; | |
b6ea8f29 | 2262 | default : |
c5da5726 | 2263 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); |
2264 | break; | |
2265 | case 1 : | |
2266 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
2267 | break; | |
2268 | } | |
64a31f55 | 2269 | |
2270 | ptr = row + bitoffset / 8; | |
2271 | ||
2272 | switch (header->cupsBitsPerColor) | |
2273 | { | |
2274 | case 1 : | |
2275 | bitmask = 0x80 >> (bitoffset & 7); | |
2276 | dither = Floyd16x16[y & 15]; | |
2277 | ||
2278 | for (x = xsize; x > 0; x --) | |
2279 | { | |
2280 | if (*r0++ > dither[x & 15]) | |
2281 | *ptr ^= bitmask; | |
2282 | ||
2283 | if (bitmask > 1) | |
2284 | bitmask >>= 1; | |
2285 | else | |
2286 | { | |
2287 | bitmask = 0x80; | |
2288 | ptr ++; | |
6de9968b | 2289 | } |
64a31f55 | 2290 | } |
2291 | break; | |
2292 | ||
2293 | case 2 : | |
2294 | bitmask = 0xc0 >> (bitoffset & 7); | |
2295 | dither = Floyd8x8[y & 7]; | |
6e2740f1 | 2296 | |
64a31f55 | 2297 | for (x = xsize; x > 0; x --) |
2298 | { | |
2299 | if ((*r0 & 63) > dither[x & 7]) | |
2300 | *ptr ^= (bitmask & OnPixels[*r0++]); | |
2301 | else | |
2302 | *ptr ^= (bitmask & OffPixels[*r0++]); | |
2303 | ||
2304 | if (bitmask > 3) | |
2305 | bitmask >>= 2; | |
2306 | else | |
6e2740f1 | 2307 | { |
64a31f55 | 2308 | bitmask = 0xc0; |
2309 | ||
2310 | ptr ++; | |
2311 | } | |
2312 | } | |
2313 | break; | |
2314 | ||
2315 | case 4 : | |
2316 | bitmask = 0xf0 >> (bitoffset & 7); | |
2317 | dither = Floyd4x4[y & 3]; | |
6e2740f1 | 2318 | |
64a31f55 | 2319 | for (x = xsize; x > 0; x --) |
2320 | { | |
2321 | if ((*r0 & 15) > dither[x & 3]) | |
2322 | *ptr ^= (bitmask & OnPixels[*r0++]); | |
2323 | else | |
2324 | *ptr ^= (bitmask & OffPixels[*r0++]); | |
2325 | ||
2326 | if (bitmask == 0xf0) | |
2327 | bitmask = 0x0f; | |
2328 | else | |
6e2740f1 | 2329 | { |
64a31f55 | 2330 | bitmask = 0xf0; |
2331 | ||
2332 | ptr ++; | |
2333 | } | |
2334 | } | |
2335 | break; | |
2336 | ||
2337 | case 8 : | |
2338 | for (x = xsize; x > 0; x --, r0 ++, r1 ++) | |
2339 | { | |
2340 | if (*r0 == *r1) | |
2341 | *ptr++ = *r0; | |
2342 | else | |
2343 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
2344 | } | |
2345 | break; | |
2346 | } | |
2347 | } | |
2348 | ||
2349 | ||
2350 | /* | |
2351 | * 'format_KCMY()' - Convert image data to KCMY. | |
2352 | */ | |
2353 | ||
2354 | static void | |
2355 | format_KCMY(cups_page_header_t *header, /* I - Page header */ | |
2356 | unsigned char *row, /* IO - Bitmap data for device */ | |
2357 | int y, /* I - Current row */ | |
2358 | int z, /* I - Current plane */ | |
2359 | int xsize, /* I - Width of image data */ | |
2360 | int ysize, /* I - Height of image data */ | |
2361 | int yerr0, /* I - Top Y error */ | |
2362 | int yerr1, /* I - Bottom Y error */ | |
2363 | ib_t *r0, /* I - Primary image data */ | |
2364 | ib_t *r1) /* I - Image data for interpolation */ | |
2365 | { | |
2366 | ib_t *ptr, /* Pointer into row */ | |
2367 | *cptr, /* Pointer into cyan */ | |
2368 | *mptr, /* Pointer into magenta */ | |
2369 | *yptr, /* Pointer into yellow */ | |
2370 | *kptr, /* Pointer into black */ | |
f4771f31 | 2371 | bitmask; /* Current mask for pixel */ |
64a31f55 | 2372 | int bitoffset; /* Current offset in line */ |
2373 | int bandwidth; /* Width of a color band */ | |
2374 | int x, /* Current X coordinate on page */ | |
2375 | *dither; /* Pointer into dither array */ | |
2376 | ||
2377 | ||
c5da5726 | 2378 | switch (XPosition) |
2379 | { | |
2380 | case -1 : | |
2381 | bitoffset = 0; | |
2382 | break; | |
b6ea8f29 | 2383 | default : |
c5da5726 | 2384 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); |
2385 | break; | |
2386 | case 1 : | |
2387 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
2388 | break; | |
2389 | } | |
64a31f55 | 2390 | |
2391 | ptr = row + bitoffset / 8; | |
2392 | bandwidth = header->cupsBytesPerLine / 4; | |
2393 | ||
2394 | switch (header->cupsColorOrder) | |
2395 | { | |
2396 | case CUPS_ORDER_CHUNKED : | |
2397 | switch (header->cupsBitsPerColor) | |
2398 | { | |
2399 | case 1 : | |
f4771f31 | 2400 | bitmask = 128 >> (bitoffset & 7); |
64a31f55 | 2401 | dither = Floyd16x16[y & 15]; |
2402 | ||
f4771f31 | 2403 | for (x = xsize ; x > 0; x --, r0 += 4) |
64a31f55 | 2404 | { |
f4771f31 | 2405 | if (r0[3] > dither[x & 15]) |
64a31f55 | 2406 | *ptr ^= bitmask; |
2407 | bitmask >>= 1; | |
2408 | ||
f4771f31 | 2409 | if (r0[0] > dither[x & 15]) |
64a31f55 | 2410 | *ptr ^= bitmask; |
2411 | bitmask >>= 1; | |
2412 | ||
f4771f31 | 2413 | if (r0[1] > dither[x & 15]) |
2414 | *ptr ^= bitmask; | |
2415 | bitmask >>= 1; | |
2416 | ||
2417 | if (r0[2] > dither[x & 15]) | |
64a31f55 | 2418 | *ptr ^= bitmask; |
2419 | ||
2420 | if (bitmask > 1) | |
f4771f31 | 2421 | bitmask >>= 1; |
64a31f55 | 2422 | else |
2423 | { | |
f4771f31 | 2424 | bitmask = 128; |
64a31f55 | 2425 | ptr ++; |
2426 | } | |
2427 | } | |
64a31f55 | 2428 | break; |
2429 | ||
2430 | case 2 : | |
2431 | dither = Floyd8x8[y & 7]; | |
2432 | ||
2433 | for (x = xsize ; x > 0; x --, r0 += 4) | |
2434 | { | |
2435 | if ((r0[3] & 63) > dither[x & 7]) | |
2436 | *ptr ^= (0xc0 & OnPixels[r0[3]]); | |
2437 | else | |
2438 | *ptr ^= (0xc0 & OffPixels[r0[3]]); | |
2439 | ||
2440 | if ((r0[0] & 63) > dither[x & 7]) | |
2441 | *ptr ^= (0x30 & OnPixels[r0[0]]); | |
2442 | else | |
2443 | *ptr ^= (0x30 & OffPixels[r0[0]]); | |
2444 | ||
2445 | if ((r0[1] & 63) > dither[x & 7]) | |
2446 | *ptr ^= (0x0c & OnPixels[r0[1]]); | |
2447 | else | |
2448 | *ptr ^= (0x0c & OffPixels[r0[1]]); | |
2449 | ||
2450 | if ((r0[2] & 63) > dither[x & 7]) | |
2451 | *ptr++ ^= (0x03 & OnPixels[r0[2]]); | |
2452 | else | |
2453 | *ptr++ ^= (0x03 & OffPixels[r0[2]]); | |
2454 | } | |
2455 | break; | |
2456 | ||
2457 | case 4 : | |
2458 | dither = Floyd4x4[y & 3]; | |
2459 | ||
2460 | for (x = xsize ; x > 0; x --, r0 += 4) | |
2461 | { | |
2462 | if ((r0[3] & 15) > dither[x & 3]) | |
2463 | *ptr ^= (0xf0 & OnPixels[r0[3]]); | |
2464 | else | |
2465 | *ptr ^= (0xf0 & OffPixels[r0[3]]); | |
2466 | ||
2467 | if ((r0[0] & 15) > dither[x & 3]) | |
2468 | *ptr++ ^= (0x0f & OnPixels[r0[0]]); | |
2469 | else | |
2470 | *ptr++ ^= (0x0f & OffPixels[r0[0]]); | |
2471 | ||
2472 | if ((r0[1] & 15) > dither[x & 3]) | |
2473 | *ptr ^= (0xf0 & OnPixels[r0[1]]); | |
2474 | else | |
2475 | *ptr ^= (0xf0 & OffPixels[r0[1]]); | |
2476 | ||
2477 | if ((r0[2] & 15) > dither[x & 3]) | |
2478 | *ptr++ ^= (0x0f & OnPixels[r0[2]]); | |
2479 | else | |
2480 | *ptr++ ^= (0x0f & OffPixels[r0[2]]); | |
2481 | } | |
2482 | break; | |
2483 | ||
2484 | case 8 : | |
2485 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
2486 | { | |
2487 | if (r0[3] == r1[3]) | |
2488 | *ptr++ = r0[3]; | |
2489 | else | |
2490 | *ptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize; | |
2491 | ||
2492 | if (r0[0] == r1[0]) | |
2493 | *ptr++ = r0[0]; | |
2494 | else | |
2495 | *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
2496 | ||
2497 | if (r0[1] == r1[1]) | |
2498 | *ptr++ = r0[1]; | |
2499 | else | |
2500 | *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
2501 | ||
2502 | if (r0[2] == r1[2]) | |
2503 | *ptr++ = r0[2]; | |
2504 | else | |
2505 | *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
2506 | } | |
2507 | break; | |
2508 | } | |
2509 | break; | |
2510 | ||
2511 | case CUPS_ORDER_BANDED : | |
2512 | kptr = ptr; | |
2513 | cptr = ptr + bandwidth; | |
2514 | mptr = ptr + 2 * bandwidth; | |
2515 | yptr = ptr + 3 * bandwidth; | |
2516 | ||
2517 | switch (header->cupsBitsPerColor) | |
2518 | { | |
2519 | case 1 : | |
2520 | bitmask = 0x80 >> (bitoffset & 7); | |
2521 | dither = Floyd16x16[y & 15]; | |
2522 | ||
2523 | for (x = xsize; x > 0; x --) | |
2524 | { | |
2525 | if (*r0++ > dither[x & 15]) | |
2526 | *cptr ^= bitmask; | |
2527 | if (*r0++ > dither[x & 15]) | |
2528 | *mptr ^= bitmask; | |
2529 | if (*r0++ > dither[x & 15]) | |
2530 | *yptr ^= bitmask; | |
f4771f31 | 2531 | if (*r0++ > dither[x & 15]) |
2532 | *kptr ^= bitmask; | |
64a31f55 | 2533 | |
2534 | if (bitmask > 1) | |
2535 | bitmask >>= 1; | |
2536 | else | |
2537 | { | |
2538 | bitmask = 0x80; | |
f4771f31 | 2539 | cptr ++; |
2540 | mptr ++; | |
2541 | yptr ++; | |
2542 | kptr ++; | |
64a31f55 | 2543 | } |
2544 | } | |
64a31f55 | 2545 | break; |
2546 | ||
2547 | case 2 : | |
2548 | bitmask = 0xc0 >> (bitoffset & 7); | |
2549 | dither = Floyd8x8[y & 7]; | |
2550 | ||
2551 | for (x = xsize; x > 0; x --) | |
2552 | { | |
2553 | if ((*r0 & 63) > dither[x & 7]) | |
2554 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
2555 | else | |
2556 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
2557 | ||
2558 | if ((*r0 & 63) > dither[x & 7]) | |
2559 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
2560 | else | |
2561 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
2562 | ||
2563 | if ((*r0 & 63) > dither[x & 7]) | |
2564 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
2565 | else | |
2566 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
2567 | ||
2568 | if ((*r0 & 63) > dither[x & 7]) | |
2569 | *kptr ^= (bitmask & OnPixels[*r0++]); | |
2570 | else | |
2571 | *kptr ^= (bitmask & OffPixels[*r0++]); | |
2572 | ||
2573 | if (bitmask > 3) | |
2574 | bitmask >>= 2; | |
2575 | else | |
2576 | { | |
2577 | bitmask = 0xc0; | |
2578 | ||
2579 | cptr ++; | |
2580 | mptr ++; | |
2581 | yptr ++; | |
2582 | kptr ++; | |
2583 | } | |
2584 | } | |
2585 | break; | |
2586 | ||
2587 | case 4 : | |
2588 | bitmask = 0xf0 >> (bitoffset & 7); | |
2589 | dither = Floyd4x4[y & 3]; | |
2590 | ||
2591 | for (x = xsize; x > 0; x --) | |
2592 | { | |
2593 | if ((*r0 & 15) > dither[x & 3]) | |
2594 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
2595 | else | |
2596 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
2597 | ||
2598 | if ((*r0 & 15) > dither[x & 3]) | |
2599 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
2600 | else | |
2601 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
2602 | ||
2603 | if ((*r0 & 15) > dither[x & 3]) | |
2604 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
2605 | else | |
2606 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
2607 | ||
2608 | if ((*r0 & 15) > dither[x & 3]) | |
2609 | *kptr ^= (bitmask & OnPixels[*r0++]); | |
2610 | else | |
2611 | *kptr ^= (bitmask & OffPixels[*r0++]); | |
2612 | ||
2613 | if (bitmask == 0xf0) | |
2614 | bitmask = 0x0f; | |
2615 | else | |
2616 | { | |
2617 | bitmask = 0xf0; | |
2618 | ||
2619 | cptr ++; | |
2620 | mptr ++; | |
2621 | yptr ++; | |
2622 | kptr ++; | |
2623 | } | |
2624 | } | |
2625 | break; | |
2626 | ||
2627 | case 8 : | |
2628 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
2629 | { | |
2630 | if (r0[0] == r1[0]) | |
2631 | *cptr++ = r0[0]; | |
2632 | else | |
2633 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
2634 | ||
2635 | if (r0[1] == r1[1]) | |
2636 | *mptr++ = r0[1]; | |
2637 | else | |
2638 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
2639 | ||
2640 | if (r0[2] == r1[2]) | |
2641 | *yptr++ = r0[2]; | |
2642 | else | |
2643 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
2644 | ||
2645 | if (r0[3] == r1[3]) | |
2646 | *kptr++ = r0[3]; | |
2647 | else | |
2648 | *kptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize; | |
2649 | } | |
2650 | break; | |
2651 | } | |
2652 | break; | |
2653 | ||
2654 | case CUPS_ORDER_PLANAR : | |
2655 | switch (header->cupsBitsPerColor) | |
2656 | { | |
2657 | case 1 : | |
2658 | bitmask = 0x80 >> (bitoffset & 7); | |
2659 | dither = Floyd16x16[y & 15]; | |
f4771f31 | 2660 | if (z == 0) |
2661 | r0 += 3; | |
2662 | else | |
2663 | r0 += z - 1; | |
64a31f55 | 2664 | |
f4771f31 | 2665 | for (x = xsize; x > 0; x --, r0 += 4) |
2666 | { | |
2667 | if (*r0 > dither[x & 15]) | |
2668 | *ptr ^= bitmask; | |
64a31f55 | 2669 | |
f4771f31 | 2670 | if (bitmask > 1) |
2671 | bitmask >>= 1; | |
2672 | else | |
2673 | { | |
2674 | bitmask = 0x80; | |
2675 | ptr ++; | |
2676 | } | |
64a31f55 | 2677 | } |
f4771f31 | 2678 | break; |
64a31f55 | 2679 | |
2680 | case 2 : | |
2681 | bitmask = 0xc0 >> (bitoffset & 7); | |
2682 | dither = Floyd8x8[y & 7]; | |
2683 | if (z == 0) | |
2684 | r0 += 3; | |
2685 | else | |
2686 | r0 += z - 1; | |
2687 | ||
2688 | for (x = xsize; x > 0; x --, r0 += 4) | |
2689 | { | |
2690 | if ((*r0 & 63) > dither[x & 7]) | |
2691 | *ptr ^= (bitmask & OnPixels[*r0]); | |
2692 | else | |
2693 | *ptr ^= (bitmask & OffPixels[*r0]); | |
2694 | ||
2695 | if (bitmask > 3) | |
2696 | bitmask >>= 2; | |
2697 | else | |
2698 | { | |
2699 | bitmask = 0xc0; | |
2700 | ||
2701 | ptr ++; | |
2702 | } | |
2703 | } | |
2704 | break; | |
2705 | ||
2706 | case 4 : | |
2707 | bitmask = 0xf0 >> (bitoffset & 7); | |
2708 | dither = Floyd4x4[y & 3]; | |
2709 | if (z == 0) | |
2710 | r0 += 3; | |
2711 | else | |
2712 | r0 += z - 1; | |
2713 | ||
2714 | for (x = xsize; x > 0; x --, r0 += 4) | |
2715 | { | |
2716 | if ((*r0 & 15) > dither[x & 3]) | |
2717 | *ptr ^= (bitmask & OnPixels[*r0]); | |
2718 | else | |
2719 | *ptr ^= (bitmask & OffPixels[*r0]); | |
2720 | ||
2721 | if (bitmask == 0xf0) | |
2722 | bitmask = 0x0f; | |
2723 | else | |
2724 | { | |
2725 | bitmask = 0xf0; | |
2726 | ||
2727 | ptr ++; | |
2728 | } | |
2729 | } | |
2730 | break; | |
2731 | ||
2732 | case 8 : | |
2733 | if (z == 0) | |
2734 | { | |
2735 | r0 += 3; | |
2736 | r1 += 3; | |
2737 | } | |
2738 | else | |
2739 | { | |
2740 | r0 += z - 1; | |
2741 | r1 += z - 1; | |
2742 | } | |
2743 | ||
2744 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
2745 | { | |
2746 | if (*r0 == *r1) | |
2747 | *ptr++ = *r0; | |
2748 | else | |
2749 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
2750 | } | |
2751 | break; | |
2752 | } | |
2753 | break; | |
2754 | } | |
2755 | } | |
2756 | ||
2757 | ||
2758 | /* | |
2759 | * 'format_KCMYcm()' - Convert image data to KCMYcm. | |
2760 | */ | |
2761 | ||
2762 | static void | |
2763 | format_KCMYcm(cups_page_header_t *header,/* I - Page header */ | |
2764 | unsigned char *row, /* IO - Bitmap data for device */ | |
2765 | int y, /* I - Current row */ | |
2766 | int z, /* I - Current plane */ | |
2767 | int xsize, /* I - Width of image data */ | |
2768 | int ysize, /* I - Height of image data */ | |
2769 | int yerr0, /* I - Top Y error */ | |
2770 | int yerr1, /* I - Bottom Y error */ | |
2771 | ib_t *r0, /* I - Primary image data */ | |
2772 | ib_t *r1) /* I - Image data for interpolation */ | |
2773 | { | |
f4771f31 | 2774 | int pc, pm, py, pk; /* Cyan, magenta, yellow, and black values */ |
5ec6832f | 2775 | ib_t *ptr, /* Pointer into row */ |
2776 | *cptr, /* Pointer into cyan */ | |
2777 | *mptr, /* Pointer into magenta */ | |
2778 | *yptr, /* Pointer into yellow */ | |
2779 | *kptr, /* Pointer into black */ | |
2780 | *lcptr, /* Pointer into light cyan */ | |
2781 | *lmptr, /* Pointer into light magenta */ | |
f4771f31 | 2782 | bitmask; /* Current mask for pixel */ |
5ec6832f | 2783 | int bitoffset; /* Current offset in line */ |
2784 | int bandwidth; /* Width of a color band */ | |
2785 | int x, /* Current X coordinate on page */ | |
2786 | *dither; /* Pointer into dither array */ | |
2787 | ||
2788 | ||
c5da5726 | 2789 | switch (XPosition) |
2790 | { | |
2791 | case -1 : | |
2792 | bitoffset = 0; | |
2793 | break; | |
b6ea8f29 | 2794 | default : |
c5da5726 | 2795 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); |
2796 | break; | |
2797 | case 1 : | |
2798 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
2799 | break; | |
2800 | } | |
5ec6832f | 2801 | |
2802 | ptr = row + bitoffset / 8; | |
2803 | if (header->cupsBitsPerColor == 1) | |
2804 | bandwidth = header->cupsBytesPerLine / 6; | |
2805 | else | |
2806 | bandwidth = header->cupsBytesPerLine / 4; | |
2807 | ||
2808 | switch (header->cupsColorOrder) | |
2809 | { | |
2810 | case CUPS_ORDER_CHUNKED : | |
2811 | switch (header->cupsBitsPerColor) | |
2812 | { | |
2813 | case 1 : | |
2814 | dither = Floyd16x16[y & 15]; | |
2815 | ||
2816 | for (x = xsize ; x > 0; x --) | |
2817 | { | |
2818 | pc = *r0++ > dither[x & 15]; | |
2819 | pm = *r0++ > dither[x & 15]; | |
2820 | py = *r0++ > dither[x & 15]; | |
f4771f31 | 2821 | pk = *r0++ > dither[x & 15]; |
5ec6832f | 2822 | |
f4771f31 | 2823 | if (pk) |
5ec6832f | 2824 | *ptr++ ^= 32; /* Black */ |
2825 | else if (pc && pm) | |
1227ee0c | 2826 | *ptr++ ^= 17; /* Blue (cyan + light magenta) */ |
5ec6832f | 2827 | else if (pc && py) |
2828 | *ptr++ ^= 6; /* Green (light cyan + yellow) */ | |
2829 | else if (pm && py) | |
2830 | *ptr++ ^= 12; /* Red (magenta + yellow) */ | |
2831 | else if (pc) | |
2832 | *ptr++ ^= 16; | |
2833 | else if (pm) | |
2834 | *ptr++ ^= 8; | |
2835 | else if (py) | |
2836 | *ptr++ ^= 4; | |
2837 | } | |
2838 | break; | |
2839 | ||
2840 | case 8 : | |
2841 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
2842 | { | |
2843 | if (r0[3] == r1[3]) | |
2844 | *ptr++ = r0[3]; | |
2845 | else | |
2846 | *ptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize; | |
2847 | ||
2848 | if (r0[0] == r1[0]) | |
2849 | *ptr++ = r0[0]; | |
2850 | else | |
2851 | *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
2852 | ||
2853 | if (r0[1] == r1[1]) | |
2854 | *ptr++ = r0[1]; | |
2855 | else | |
2856 | *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
2857 | ||
2858 | if (r0[2] == r1[2]) | |
2859 | *ptr++ = r0[2]; | |
2860 | else | |
2861 | *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
2862 | } | |
2863 | break; | |
2864 | } | |
2865 | break; | |
2866 | ||
2867 | case CUPS_ORDER_BANDED : | |
2868 | kptr = ptr; | |
2869 | cptr = ptr + bandwidth; | |
2870 | mptr = ptr + 2 * bandwidth; | |
2871 | yptr = ptr + 3 * bandwidth; | |
2872 | lcptr = ptr + 4 * bandwidth; | |
2873 | lmptr = ptr + 5 * bandwidth; | |
2874 | ||
2875 | switch (header->cupsBitsPerColor) | |
2876 | { | |
2877 | case 1 : | |
2878 | bitmask = 0x80 >> (bitoffset & 7); | |
2879 | dither = Floyd16x16[y & 15]; | |
2880 | ||
2881 | for (x = xsize; x > 0; x --) | |
2882 | { | |
2883 | pc = *r0++ > dither[x & 15]; | |
2884 | pm = *r0++ > dither[x & 15]; | |
2885 | py = *r0++ > dither[x & 15]; | |
f4771f31 | 2886 | pk = *r0++ > dither[x & 15]; |
5ec6832f | 2887 | |
f4771f31 | 2888 | if (pk) |
5ec6832f | 2889 | *kptr ^= bitmask; /* Black */ |
2890 | else if (pc && pm) | |
2891 | { | |
1227ee0c | 2892 | *cptr ^= bitmask; /* Blue (cyan + light magenta) */ |
5ec6832f | 2893 | *lmptr ^= bitmask; |
2894 | } | |
2895 | else if (pc && py) | |
2896 | { | |
2897 | *lcptr ^= bitmask; /* Green (light cyan + yellow) */ | |
2898 | *yptr ^= bitmask; | |
2899 | } | |
2900 | else if (pm && py) | |
2901 | { | |
2902 | *mptr ^= bitmask; /* Red (magenta + yellow) */ | |
2903 | *yptr ^= bitmask; | |
2904 | } | |
2905 | else if (pc) | |
2906 | *cptr ^= bitmask; | |
2907 | else if (pm) | |
2908 | *mptr ^= bitmask; | |
2909 | else if (py) | |
2910 | *yptr ^= bitmask; | |
2911 | ||
2912 | if (bitmask > 1) | |
2913 | bitmask >>= 1; | |
2914 | else | |
2915 | { | |
2916 | bitmask = 0x80; | |
2917 | cptr ++; | |
2918 | mptr ++; | |
2919 | yptr ++; | |
2920 | kptr ++; | |
2921 | lcptr ++; | |
2922 | lmptr ++; | |
2923 | } | |
2924 | } | |
2925 | break; | |
2926 | ||
2927 | case 8 : | |
2928 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
2929 | { | |
2930 | if (r0[0] == r1[0]) | |
2931 | *cptr++ = r0[0]; | |
2932 | else | |
2933 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
2934 | ||
2935 | if (r0[1] == r1[1]) | |
2936 | *mptr++ = r0[1]; | |
2937 | else | |
2938 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
2939 | ||
2940 | if (r0[2] == r1[2]) | |
2941 | *yptr++ = r0[2]; | |
2942 | else | |
2943 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
2944 | ||
2945 | if (r0[3] == r1[3]) | |
2946 | *kptr++ = r0[3]; | |
2947 | else | |
2948 | *kptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize; | |
2949 | } | |
2950 | break; | |
2951 | } | |
2952 | break; | |
2953 | ||
2954 | case CUPS_ORDER_PLANAR : | |
2955 | switch (header->cupsBitsPerColor) | |
2956 | { | |
2957 | case 1 : | |
2958 | bitmask = 0x80 >> (bitoffset & 7); | |
2959 | dither = Floyd16x16[y & 15]; | |
2960 | ||
2961 | switch (z) | |
2962 | { | |
2963 | case 0 : | |
f4771f31 | 2964 | for (x = xsize; x > 0; x --, r0 += 4) |
5ec6832f | 2965 | { |
f4771f31 | 2966 | if (r0[3] > dither[x & 15]) |
5ec6832f | 2967 | *ptr ^= bitmask; |
2968 | ||
2969 | if (bitmask > 1) | |
2970 | bitmask >>= 1; | |
2971 | else | |
2972 | { | |
2973 | bitmask = 0x80; | |
2974 | ptr ++; | |
2975 | } | |
2976 | } | |
2977 | break; | |
2978 | ||
2979 | case 1 : | |
f4771f31 | 2980 | for (x = xsize; x > 0; x --, r0 += 4) |
5ec6832f | 2981 | { |
2982 | if (r0[0] > dither[x & 15] && | |
5ec6832f | 2983 | r0[2] < dither[x & 15]) |
2984 | *ptr ^= bitmask; | |
2985 | ||
2986 | if (bitmask > 1) | |
2987 | bitmask >>= 1; | |
2988 | else | |
2989 | { | |
2990 | bitmask = 0x80; | |
2991 | ptr ++; | |
2992 | } | |
2993 | } | |
2994 | break; | |
2995 | ||
2996 | case 2 : | |
f4771f31 | 2997 | for (x = xsize; x > 0; x --, r0 += 4) |
5ec6832f | 2998 | { |
2999 | if (r0[1] > dither[x & 15] && | |
3000 | (r0[0] < dither[x & 15] || | |
3001 | r0[2] > dither[x & 15])) | |
3002 | *ptr ^= bitmask; | |
3003 | ||
3004 | if (bitmask > 1) | |
3005 | bitmask >>= 1; | |
3006 | else | |
3007 | { | |
3008 | bitmask = 0x80; | |
3009 | ptr ++; | |
3010 | } | |
3011 | } | |
3012 | break; | |
3013 | ||
3014 | case 3 : | |
f4771f31 | 3015 | for (x = xsize; x > 0; x --, r0 += 4) |
5ec6832f | 3016 | { |
3017 | if (r0[2] > dither[x & 15] && | |
3018 | (r0[0] < dither[x & 15] || | |
3019 | r0[1] < dither[x & 15])) | |
3020 | *ptr ^= bitmask; | |
3021 | ||
3022 | if (bitmask > 1) | |
3023 | bitmask >>= 1; | |
3024 | else | |
3025 | { | |
3026 | bitmask = 0x80; | |
3027 | ptr ++; | |
3028 | } | |
3029 | } | |
3030 | break; | |
3031 | ||
3032 | case 4 : | |
f4771f31 | 3033 | for (x = xsize; x > 0; x --, r0 += 4) |
5ec6832f | 3034 | { |
3035 | if (r0[0] > dither[x & 15] && | |
5ec6832f | 3036 | r0[2] > dither[x & 15]) |
3037 | *ptr ^= bitmask; | |
3038 | ||
3039 | if (bitmask > 1) | |
3040 | bitmask >>= 1; | |
3041 | else | |
3042 | { | |
3043 | bitmask = 0x80; | |
3044 | ptr ++; | |
3045 | } | |
3046 | } | |
3047 | break; | |
3048 | ||
3049 | case 5 : | |
f4771f31 | 3050 | for (x = xsize; x > 0; x --, r0 += 4) |
5ec6832f | 3051 | { |
3052 | if (r0[0] > dither[x & 15] && | |
3053 | r0[1] > dither[x & 15] && | |
3054 | r0[2] < dither[x & 15]) | |
3055 | *ptr ^= bitmask; | |
3056 | ||
3057 | if (bitmask > 1) | |
3058 | bitmask >>= 1; | |
3059 | else | |
3060 | { | |
3061 | bitmask = 0x80; | |
3062 | ptr ++; | |
3063 | } | |
3064 | } | |
3065 | break; | |
3066 | } | |
3067 | break; | |
3068 | ||
3069 | case 8 : | |
3070 | if (z == 0) | |
3071 | { | |
3072 | r0 += 3; | |
3073 | r1 += 3; | |
3074 | } | |
3075 | else | |
3076 | { | |
3077 | r0 += z - 1; | |
3078 | r1 += z - 1; | |
3079 | } | |
3080 | ||
3081 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
3082 | { | |
3083 | if (*r0 == *r1) | |
3084 | *ptr++ = *r0; | |
3085 | else | |
3086 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
3087 | } | |
3088 | break; | |
3089 | } | |
3090 | break; | |
3091 | } | |
64a31f55 | 3092 | } |
3093 | ||
3094 | ||
3095 | /* | |
3096 | * 'format_RGBA()' - Convert image data to RGBA. | |
3097 | */ | |
3098 | ||
3099 | static void | |
3100 | format_RGBA(cups_page_header_t *header, /* I - Page header */ | |
3101 | unsigned char *row, /* IO - Bitmap data for device */ | |
3102 | int y, /* I - Current row */ | |
3103 | int z, /* I - Current plane */ | |
3104 | int xsize, /* I - Width of image data */ | |
3105 | int ysize, /* I - Height of image data */ | |
3106 | int yerr0, /* I - Top Y error */ | |
3107 | int yerr1, /* I - Bottom Y error */ | |
3108 | ib_t *r0, /* I - Primary image data */ | |
3109 | ib_t *r1) /* I - Image data for interpolation */ | |
3110 | { | |
3111 | ib_t *ptr, /* Pointer into row */ | |
3112 | *cptr, /* Pointer into cyan */ | |
3113 | *mptr, /* Pointer into magenta */ | |
3114 | *yptr, /* Pointer into yellow */ | |
3115 | bitmask; /* Current mask for pixel */ | |
3116 | int bitoffset; /* Current offset in line */ | |
3117 | int bandwidth; /* Width of a color band */ | |
3118 | int x, /* Current X coordinate on page */ | |
3119 | *dither; /* Pointer into dither array */ | |
3120 | ||
3121 | ||
c5da5726 | 3122 | switch (XPosition) |
3123 | { | |
3124 | case -1 : | |
3125 | bitoffset = 0; | |
3126 | break; | |
b6ea8f29 | 3127 | default : |
c5da5726 | 3128 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); |
3129 | break; | |
3130 | case 1 : | |
3131 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
3132 | break; | |
3133 | } | |
64a31f55 | 3134 | |
3135 | ptr = row + bitoffset / 8; | |
3136 | bandwidth = header->cupsBytesPerLine / 4; | |
3137 | ||
3138 | switch (header->cupsColorOrder) | |
3139 | { | |
3140 | case CUPS_ORDER_CHUNKED : | |
3141 | switch (header->cupsBitsPerColor) | |
3142 | { | |
3143 | case 1 : | |
3144 | bitmask = 128 >> (bitoffset & 7); | |
3145 | dither = Floyd16x16[y & 15]; | |
3146 | ||
3147 | for (x = xsize ; x > 0; x --) | |
3148 | { | |
3149 | if (*r0++ > dither[x & 15]) | |
3150 | *ptr ^= bitmask; | |
3151 | bitmask >>= 1; | |
3152 | ||
3153 | if (*r0++ > dither[x & 15]) | |
3154 | *ptr ^= bitmask; | |
3155 | bitmask >>= 1; | |
3156 | ||
3157 | if (*r0++ > dither[x & 15]) | |
3158 | *ptr ^= bitmask; | |
3159 | ||
3160 | if (bitmask > 2) | |
3161 | { | |
3162 | *ptr ^= 16; | |
3163 | bitmask >>= 2; | |
3164 | } | |
3165 | else | |
3166 | { | |
3167 | bitmask = 128; | |
3168 | *ptr++ ^= 1; | |
3169 | } | |
3170 | } | |
3171 | break; | |
3172 | ||
3173 | case 2 : | |
3174 | dither = Floyd8x8[y & 7]; | |
3175 | ||
3176 | for (x = xsize ; x > 0; x --, r0 += 3) | |
3177 | { | |
3178 | if ((r0[0] & 63) > dither[x & 7]) | |
3179 | *ptr ^= (0xc0 & OnPixels[r0[0]]); | |
3180 | else | |
3181 | *ptr ^= (0xc0 & OffPixels[r0[0]]); | |
3182 | ||
3183 | if ((r0[1] & 63) > dither[x & 7]) | |
3184 | *ptr ^= (0x30 & OnPixels[r0[1]]); | |
3185 | else | |
3186 | *ptr ^= (0x30 & OffPixels[r0[1]]); | |
3187 | ||
3188 | if ((r0[2] & 63) > dither[x & 7]) | |
3189 | *ptr ^= (0x0c & OnPixels[r0[2]]); | |
3190 | else | |
3191 | *ptr ^= (0x0c & OffPixels[r0[2]]); | |
3192 | ||
3193 | *ptr++ ^= 0x03; | |
3194 | } | |
3195 | break; | |
3196 | ||
3197 | case 4 : | |
3198 | dither = Floyd4x4[y & 3]; | |
3199 | ||
3200 | for (x = xsize ; x > 0; x --, r0 += 3) | |
3201 | { | |
3202 | if ((r0[0] & 15) > dither[x & 3]) | |
3203 | *ptr ^= (0xf0 & OnPixels[r0[0]]); | |
3204 | else | |
3205 | *ptr ^= (0xf0 & OffPixels[r0[0]]); | |
3206 | ||
3207 | if ((r0[1] & 15) > dither[x & 3]) | |
3208 | *ptr++ ^= (0x0f & OnPixels[r0[1]]); | |
3209 | else | |
3210 | *ptr++ ^= (0x0f & OffPixels[r0[1]]); | |
3211 | ||
3212 | if ((r0[2] & 15) > dither[x & 3]) | |
3213 | *ptr ^= (0xf0 & OnPixels[r0[2]]); | |
3214 | else | |
3215 | *ptr ^= (0xf0 & OffPixels[r0[2]]); | |
3216 | ||
3217 | *ptr++ ^= 0x0f; | |
3218 | } | |
3219 | break; | |
3220 | ||
3221 | case 8 : | |
3222 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
3223 | { | |
3224 | if (r0[0] == r1[0]) | |
3225 | *ptr++ = r0[0]; | |
3226 | else | |
3227 | *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
3228 | ||
3229 | if (r0[1] == r1[1]) | |
3230 | *ptr++ = r0[1]; | |
3231 | else | |
3232 | *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
3233 | ||
3234 | if (r0[2] == r1[2]) | |
3235 | *ptr++ = r0[2]; | |
3236 | else | |
3237 | *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
3238 | ||
3239 | *ptr++ = 255; | |
3240 | } | |
3241 | break; | |
3242 | } | |
3243 | break; | |
3244 | ||
3245 | case CUPS_ORDER_BANDED : | |
3246 | cptr = ptr; | |
3247 | mptr = ptr + bandwidth; | |
3248 | yptr = ptr + 2 * bandwidth; | |
3249 | ||
3250 | memset(ptr + 3 * bandwidth, 255, bandwidth); | |
3251 | ||
3252 | switch (header->cupsBitsPerColor) | |
3253 | { | |
3254 | case 1 : | |
3255 | bitmask = 0x80 >> (bitoffset & 7); | |
3256 | dither = Floyd16x16[y & 15]; | |
3257 | ||
3258 | for (x = xsize; x > 0; x --) | |
3259 | { | |
3260 | if (*r0++ > dither[x & 15]) | |
3261 | *cptr ^= bitmask; | |
3262 | if (*r0++ > dither[x & 15]) | |
3263 | *mptr ^= bitmask; | |
3264 | if (*r0++ > dither[x & 15]) | |
3265 | *yptr ^= bitmask; | |
3266 | ||
3267 | if (bitmask > 1) | |
3268 | bitmask >>= 1; | |
3269 | else | |
3270 | { | |
3271 | bitmask = 0x80; | |
3272 | cptr ++; | |
3273 | mptr ++; | |
3274 | yptr ++; | |
3275 | } | |
3276 | } | |
3277 | break; | |
3278 | ||
3279 | case 2 : | |
3280 | bitmask = 0xc0 >> (bitoffset & 7); | |
3281 | dither = Floyd8x8[y & 7]; | |
3282 | ||
3283 | for (x = xsize; x > 0; x --) | |
3284 | { | |
3285 | if ((*r0 & 63) > dither[x & 7]) | |
3286 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
3287 | else | |
3288 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
3289 | ||
3290 | if ((*r0 & 63) > dither[x & 7]) | |
3291 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
3292 | else | |
3293 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
3294 | ||
3295 | if ((*r0 & 63) > dither[x & 7]) | |
3296 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
3297 | else | |
3298 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
3299 | ||
3300 | if (bitmask > 3) | |
3301 | bitmask >>= 2; | |
3302 | else | |
3303 | { | |
3304 | bitmask = 0xc0; | |
3305 | ||
3306 | cptr ++; | |
3307 | mptr ++; | |
3308 | yptr ++; | |
3309 | } | |
3310 | } | |
3311 | break; | |
3312 | ||
3313 | case 4 : | |
3314 | bitmask = 0xf0 >> (bitoffset & 7); | |
3315 | dither = Floyd4x4[y & 3]; | |
3316 | ||
3317 | for (x = xsize; x > 0; x --) | |
3318 | { | |
3319 | if ((*r0 & 15) > dither[x & 3]) | |
3320 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
3321 | else | |
3322 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
3323 | ||
3324 | if ((*r0 & 15) > dither[x & 3]) | |
3325 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
3326 | else | |
3327 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
3328 | ||
3329 | if ((*r0 & 15) > dither[x & 3]) | |
3330 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
3331 | else | |
3332 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
3333 | ||
3334 | if (bitmask == 0xf0) | |
3335 | bitmask = 0x0f; | |
3336 | else | |
3337 | { | |
3338 | bitmask = 0xf0; | |
3339 | ||
3340 | cptr ++; | |
3341 | mptr ++; | |
3342 | yptr ++; | |
3343 | } | |
3344 | } | |
3345 | break; | |
3346 | ||
3347 | case 8 : | |
3348 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
3349 | { | |
3350 | if (r0[0] == r1[0]) | |
3351 | *cptr++ = r0[0]; | |
3352 | else | |
3353 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
3354 | ||
3355 | if (r0[1] == r1[1]) | |
3356 | *mptr++ = r0[1]; | |
3357 | else | |
3358 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
3359 | ||
3360 | if (r0[2] == r1[2]) | |
3361 | *yptr++ = r0[2]; | |
3362 | else | |
3363 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
3364 | } | |
3365 | break; | |
3366 | } | |
3367 | break; | |
3368 | ||
3369 | case CUPS_ORDER_PLANAR : | |
3370 | if (z == 3) | |
3371 | { | |
3372 | memset(row, 255, header->cupsBytesPerLine); | |
3373 | break; | |
3374 | } | |
3375 | ||
3376 | switch (header->cupsBitsPerColor) | |
3377 | { | |
3378 | case 1 : | |
3379 | bitmask = 0x80 >> (bitoffset & 7); | |
3380 | dither = Floyd16x16[y & 15]; | |
3381 | ||
3382 | switch (z) | |
3383 | { | |
3384 | case 0 : | |
3385 | for (x = xsize; x > 0; x --, r0 += 3) | |
3386 | { | |
3387 | if (r0[0] > dither[x & 15]) | |
3388 | *ptr ^= bitmask; | |
3389 | ||
3390 | if (bitmask > 1) | |
3391 | bitmask >>= 1; | |
3392 | else | |
3393 | { | |
3394 | bitmask = 0x80; | |
3395 | ptr ++; | |
3396 | } | |
3397 | } | |
3398 | break; | |
3399 | ||
3400 | case 1 : | |
3401 | for (x = xsize; x > 0; x --, r0 += 3) | |
3402 | { | |
3403 | if (r0[1] > dither[x & 15]) | |
3404 | *ptr ^= bitmask; | |
3405 | ||
3406 | if (bitmask > 1) | |
3407 | bitmask >>= 1; | |
3408 | else | |
3409 | { | |
3410 | bitmask = 0x80; | |
3411 | ptr ++; | |
3412 | } | |
3413 | } | |
3414 | break; | |
3415 | ||
3416 | case 2 : | |
3417 | for (x = xsize; x > 0; x --, r0 += 3) | |
3418 | { | |
3419 | if (r0[2] > dither[x & 15]) | |
3420 | *ptr ^= bitmask; | |
3421 | ||
3422 | if (bitmask > 1) | |
3423 | bitmask >>= 1; | |
3424 | else | |
3425 | { | |
3426 | bitmask = 0x80; | |
3427 | ptr ++; | |
3428 | } | |
3429 | } | |
3430 | break; | |
3431 | } | |
3432 | break; | |
3433 | ||
3434 | case 2 : | |
3435 | bitmask = 0xc0 >> (bitoffset & 7); | |
3436 | dither = Floyd8x8[y & 7]; | |
3437 | r0 += z; | |
3438 | ||
3439 | for (x = xsize; x > 0; x --, r0 += 3) | |
3440 | { | |
3441 | if ((*r0 & 63) > dither[x & 7]) | |
3442 | *ptr ^= (bitmask & OnPixels[*r0]); | |
3443 | else | |
3444 | *ptr ^= (bitmask & OffPixels[*r0]); | |
3445 | ||
3446 | if (bitmask > 3) | |
3447 | bitmask >>= 2; | |
3448 | else | |
3449 | { | |
3450 | bitmask = 0xc0; | |
3451 | ||
3452 | ptr ++; | |
3453 | } | |
3454 | } | |
3455 | break; | |
3456 | ||
3457 | case 4 : | |
3458 | bitmask = 0xf0 >> (bitoffset & 7); | |
3459 | dither = Floyd4x4[y & 3]; | |
3460 | r0 += z; | |
3461 | ||
3462 | for (x = xsize; x > 0; x --, r0 += 3) | |
3463 | { | |
3464 | if ((*r0 & 15) > dither[x & 3]) | |
3465 | *ptr ^= (bitmask & OnPixels[*r0]); | |
3466 | else | |
3467 | *ptr ^= (bitmask & OffPixels[*r0]); | |
3468 | ||
3469 | if (bitmask == 0xf0) | |
3470 | bitmask = 0x0f; | |
3471 | else | |
3472 | { | |
3473 | bitmask = 0xf0; | |
3474 | ||
3475 | ptr ++; | |
3476 | } | |
3477 | } | |
3478 | break; | |
3479 | ||
3480 | case 8 : | |
3481 | r0 += z; | |
3482 | r1 += z; | |
3483 | ||
3484 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
3485 | { | |
3486 | if (*r0 == *r1) | |
3487 | *ptr++ = *r0; | |
3488 | else | |
3489 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
3490 | } | |
3491 | break; | |
3492 | } | |
3493 | break; | |
3494 | } | |
3495 | } | |
3496 | ||
3497 | ||
3498 | /* | |
3499 | * 'format_W()' - Convert image data to luminance. | |
3500 | */ | |
3501 | ||
3502 | static void | |
3503 | format_W(cups_page_header_t *header, /* I - Page header */ | |
3504 | unsigned char *row, /* IO - Bitmap data for device */ | |
3505 | int y, /* I - Current row */ | |
3506 | int z, /* I - Current plane */ | |
3507 | int xsize, /* I - Width of image data */ | |
3508 | int ysize, /* I - Height of image data */ | |
3509 | int yerr0, /* I - Top Y error */ | |
3510 | int yerr1, /* I - Bottom Y error */ | |
3511 | ib_t *r0, /* I - Primary image data */ | |
3512 | ib_t *r1) /* I - Image data for interpolation */ | |
3513 | { | |
3514 | ib_t *ptr, /* Pointer into row */ | |
3515 | bitmask; /* Current mask for pixel */ | |
3516 | int bitoffset; /* Current offset in line */ | |
3517 | int x, /* Current X coordinate on page */ | |
3518 | *dither; /* Pointer into dither array */ | |
3519 | ||
3520 | ||
a5f8b9e7 | 3521 | (void)z; |
3522 | ||
c5da5726 | 3523 | switch (XPosition) |
3524 | { | |
3525 | case -1 : | |
3526 | bitoffset = 0; | |
3527 | break; | |
b6ea8f29 | 3528 | default : |
c5da5726 | 3529 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); |
3530 | break; | |
3531 | case 1 : | |
3532 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
3533 | break; | |
3534 | } | |
64a31f55 | 3535 | |
3536 | ptr = row + bitoffset / 8; | |
3537 | ||
3538 | switch (header->cupsBitsPerColor) | |
3539 | { | |
3540 | case 1 : | |
3541 | bitmask = 0x80 >> (bitoffset & 7); | |
3542 | dither = Floyd16x16[y & 15]; | |
3543 | ||
3544 | for (x = xsize; x > 0; x --) | |
3545 | { | |
3546 | if (*r0++ > dither[x & 15]) | |
3547 | *ptr ^= bitmask; | |
3548 | ||
3549 | if (bitmask > 1) | |
3550 | bitmask >>= 1; | |
3551 | else | |
3552 | { | |
3553 | bitmask = 0x80; | |
3554 | ptr ++; | |
3555 | } | |
6de9968b | 3556 | } |
64a31f55 | 3557 | break; |
3558 | ||
3559 | case 2 : | |
3560 | bitmask = 0xc0 >> (bitoffset & 7); | |
3561 | dither = Floyd8x8[y & 7]; | |
6e2740f1 | 3562 | |
64a31f55 | 3563 | for (x = xsize; x > 0; x --) |
3564 | { | |
3565 | if ((*r0 & 63) > dither[x & 7]) | |
3566 | *ptr ^= (bitmask & OnPixels[*r0++]); | |
3567 | else | |
3568 | *ptr ^= (bitmask & OffPixels[*r0++]); | |
6e2740f1 | 3569 | |
64a31f55 | 3570 | if (bitmask > 3) |
3571 | bitmask >>= 2; | |
3572 | else | |
6e2740f1 | 3573 | { |
64a31f55 | 3574 | bitmask = 0xc0; |
3575 | ||
3576 | ptr ++; | |
6de9968b | 3577 | } |
64a31f55 | 3578 | } |
3579 | break; | |
6e2740f1 | 3580 | |
64a31f55 | 3581 | case 4 : |
3582 | bitmask = 0xf0 >> (bitoffset & 7); | |
3583 | dither = Floyd4x4[y & 3]; | |
04aee1f9 | 3584 | |
64a31f55 | 3585 | for (x = xsize; x > 0; x --) |
3586 | { | |
3587 | if ((*r0 & 15) > dither[x & 3]) | |
3588 | *ptr ^= (bitmask & OnPixels[*r0++]); | |
3589 | else | |
3590 | *ptr ^= (bitmask & OffPixels[*r0++]); | |
6e2740f1 | 3591 | |
64a31f55 | 3592 | if (bitmask == 0xf0) |
3593 | bitmask = 0x0f; | |
3594 | else | |
3595 | { | |
3596 | bitmask = 0xf0; | |
6e2740f1 | 3597 | |
64a31f55 | 3598 | ptr ++; |
3599 | } | |
3600 | } | |
3601 | break; | |
3602 | ||
3603 | case 8 : | |
3604 | for (x = xsize; x > 0; x --, r0 ++, r1 ++) | |
3605 | { | |
3606 | if (*r0 == *r1) | |
3607 | *ptr++ = *r0; | |
3608 | else | |
3609 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
3610 | } | |
3611 | break; | |
3612 | } | |
3613 | } | |
3614 | ||
3615 | ||
3616 | /* | |
3617 | * 'format_YMC()' - Convert image data to YMC. | |
3618 | */ | |
3619 | ||
3620 | static void | |
3621 | format_YMC(cups_page_header_t *header, /* I - Page header */ | |
3622 | unsigned char *row, /* IO - Bitmap data for device */ | |
3623 | int y, /* I - Current row */ | |
3624 | int z, /* I - Current plane */ | |
3625 | int xsize, /* I - Width of image data */ | |
3626 | int ysize, /* I - Height of image data */ | |
3627 | int yerr0, /* I - Top Y error */ | |
3628 | int yerr1, /* I - Bottom Y error */ | |
3629 | ib_t *r0, /* I - Primary image data */ | |
3630 | ib_t *r1) /* I - Image data for interpolation */ | |
3631 | { | |
3632 | ib_t *ptr, /* Pointer into row */ | |
3633 | *cptr, /* Pointer into cyan */ | |
3634 | *mptr, /* Pointer into magenta */ | |
3635 | *yptr, /* Pointer into yellow */ | |
3636 | bitmask; /* Current mask for pixel */ | |
3637 | int bitoffset; /* Current offset in line */ | |
3638 | int bandwidth; /* Width of a color band */ | |
3639 | int x, /* Current X coordinate on page */ | |
3640 | *dither; /* Pointer into dither array */ | |
3641 | ||
3642 | ||
c5da5726 | 3643 | switch (XPosition) |
3644 | { | |
3645 | case -1 : | |
3646 | bitoffset = 0; | |
3647 | break; | |
b6ea8f29 | 3648 | default : |
c5da5726 | 3649 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); |
3650 | break; | |
3651 | case 1 : | |
3652 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
3653 | break; | |
3654 | } | |
64a31f55 | 3655 | |
3656 | ptr = row + bitoffset / 8; | |
2096f8c6 | 3657 | bandwidth = header->cupsBytesPerLine / 3; |
64a31f55 | 3658 | |
3659 | switch (header->cupsColorOrder) | |
3660 | { | |
3661 | case CUPS_ORDER_CHUNKED : | |
3662 | switch (header->cupsBitsPerColor) | |
3663 | { | |
3664 | case 1 : | |
3665 | bitmask = 64 >> (bitoffset & 7); | |
3666 | dither = Floyd16x16[y & 15]; | |
3667 | ||
3668 | for (x = xsize ; x > 0; x --, r0 += 3) | |
3669 | { | |
3670 | if (r0[2] > dither[x & 15]) | |
3671 | *ptr ^= bitmask; | |
3672 | bitmask >>= 1; | |
3673 | ||
3674 | if (r0[1] > dither[x & 15]) | |
3675 | *ptr ^= bitmask; | |
3676 | bitmask >>= 1; | |
3677 | ||
3678 | if (r0[0] > dither[x & 15]) | |
3679 | *ptr ^= bitmask; | |
3680 | ||
3681 | if (bitmask > 1) | |
3682 | bitmask >>= 2; | |
3683 | else | |
3684 | { | |
3685 | bitmask = 64; | |
3686 | ptr ++; | |
3687 | } | |
3688 | } | |
3689 | break; | |
3690 | ||
3691 | case 2 : | |
3692 | dither = Floyd8x8[y & 7]; | |
3693 | ||
3694 | for (x = xsize ; x > 0; x --, r0 += 3) | |
3695 | { | |
3696 | if ((r0[2] & 63) > dither[x & 7]) | |
3697 | *ptr ^= (0x30 & OnPixels[r0[2]]); | |
3698 | else | |
3699 | *ptr ^= (0x30 & OffPixels[r0[2]]); | |
3700 | ||
3701 | if ((r0[1] & 63) > dither[x & 7]) | |
3702 | *ptr ^= (0x0c & OnPixels[r0[1]]); | |
3703 | else | |
3704 | *ptr ^= (0x0c & OffPixels[r0[1]]); | |
3705 | ||
3706 | if ((r0[0] & 63) > dither[x & 7]) | |
3707 | *ptr++ ^= (0x03 & OnPixels[r0[0]]); | |
3708 | else | |
3709 | *ptr++ ^= (0x03 & OffPixels[r0[0]]); | |
3710 | } | |
3711 | break; | |
3712 | ||
3713 | case 4 : | |
3714 | dither = Floyd4x4[y & 3]; | |
3715 | ||
3716 | for (x = xsize ; x > 0; x --, r0 += 3) | |
3717 | { | |
3718 | if ((r0[2] & 15) > dither[x & 3]) | |
3719 | *ptr++ ^= (0x0f & OnPixels[r0[2]]); | |
3720 | else | |
3721 | *ptr++ ^= (0x0f & OffPixels[r0[2]]); | |
3722 | ||
3723 | if ((r0[1] & 15) > dither[x & 3]) | |
3724 | *ptr ^= (0xf0 & OnPixels[r0[1]]); | |
3725 | else | |
3726 | *ptr ^= (0xf0 & OffPixels[r0[1]]); | |
3727 | ||
3728 | if ((r0[0] & 15) > dither[x & 3]) | |
3729 | *ptr++ ^= (0x0f & OnPixels[r0[0]]); | |
3730 | else | |
3731 | *ptr++ ^= (0x0f & OffPixels[r0[0]]); | |
3732 | } | |
3733 | break; | |
3734 | ||
3735 | case 8 : | |
3736 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
3737 | { | |
3738 | if (r0[2] == r1[2]) | |
3739 | *ptr++ = r0[2]; | |
3740 | else | |
3741 | *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
3742 | ||
3743 | if (r0[1] == r1[1]) | |
3744 | *ptr++ = r0[1]; | |
3745 | else | |
3746 | *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
3747 | ||
3748 | if (r0[0] == r1[0]) | |
3749 | *ptr++ = r0[0]; | |
3750 | else | |
3751 | *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
3752 | } | |
3753 | break; | |
3754 | } | |
3755 | break; | |
3756 | ||
3757 | case CUPS_ORDER_BANDED : | |
3758 | yptr = ptr; | |
3759 | mptr = ptr + bandwidth; | |
3760 | cptr = ptr + 2 * bandwidth; | |
3761 | ||
3762 | switch (header->cupsBitsPerColor) | |
3763 | { | |
3764 | case 1 : | |
3765 | bitmask = 0x80 >> (bitoffset & 7); | |
3766 | dither = Floyd16x16[y & 15]; | |
3767 | ||
3768 | for (x = xsize; x > 0; x --) | |
3769 | { | |
3770 | if (*r0++ > dither[x & 15]) | |
3771 | *cptr ^= bitmask; | |
3772 | if (*r0++ > dither[x & 15]) | |
3773 | *mptr ^= bitmask; | |
3774 | if (*r0++ > dither[x & 15]) | |
3775 | *yptr ^= bitmask; | |
3776 | ||
3777 | if (bitmask > 1) | |
3778 | bitmask >>= 1; | |
3779 | else | |
3780 | { | |
3781 | bitmask = 0x80; | |
3782 | cptr ++; | |
3783 | mptr ++; | |
3784 | yptr ++; | |
3785 | } | |
3786 | } | |
3787 | break; | |
3788 | ||
3789 | case 2 : | |
3790 | bitmask = 0xc0 >> (bitoffset & 7); | |
3791 | dither = Floyd8x8[y & 7]; | |
3792 | ||
3793 | for (x = xsize; x > 0; x --) | |
3794 | { | |
3795 | if ((*r0 & 63) > dither[x & 7]) | |
3796 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
3797 | else | |
3798 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
3799 | ||
3800 | if ((*r0 & 63) > dither[x & 7]) | |
3801 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
3802 | else | |
3803 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
3804 | ||
3805 | if ((*r0 & 63) > dither[x & 7]) | |
3806 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
3807 | else | |
3808 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
3809 | ||
3810 | if (bitmask > 3) | |
3811 | bitmask >>= 2; | |
3812 | else | |
3813 | { | |
3814 | bitmask = 0xc0; | |
3815 | ||
3816 | cptr ++; | |
3817 | mptr ++; | |
3818 | yptr ++; | |
3819 | } | |
3820 | } | |
3821 | break; | |
3822 | ||
3823 | case 4 : | |
3824 | bitmask = 0xf0 >> (bitoffset & 7); | |
3825 | dither = Floyd4x4[y & 3]; | |
3826 | ||
3827 | for (x = xsize; x > 0; x --) | |
3828 | { | |
3829 | if ((*r0 & 15) > dither[x & 3]) | |
3830 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
3831 | else | |
3832 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
3833 | ||
3834 | if ((*r0 & 15) > dither[x & 3]) | |
3835 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
3836 | else | |
3837 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
3838 | ||
3839 | if ((*r0 & 15) > dither[x & 3]) | |
3840 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
3841 | else | |
3842 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
3843 | ||
3844 | if (bitmask == 0xf0) | |
3845 | bitmask = 0x0f; | |
3846 | else | |
3847 | { | |
3848 | bitmask = 0xf0; | |
3849 | ||
3850 | cptr ++; | |
3851 | mptr ++; | |
3852 | yptr ++; | |
3853 | } | |
3854 | } | |
3855 | break; | |
3856 | ||
3857 | case 8 : | |
3858 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
3859 | { | |
3860 | if (r0[0] == r1[0]) | |
3861 | *cptr++ = r0[0]; | |
3862 | else | |
3863 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
3864 | ||
3865 | if (r0[1] == r1[1]) | |
3866 | *mptr++ = r0[1]; | |
3867 | else | |
3868 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
3869 | ||
3870 | if (r0[2] == r1[2]) | |
3871 | *yptr++ = r0[2]; | |
3872 | else | |
3873 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
3874 | } | |
3875 | break; | |
3876 | } | |
3877 | break; | |
3878 | ||
3879 | case CUPS_ORDER_PLANAR : | |
3880 | switch (header->cupsBitsPerColor) | |
3881 | { | |
3882 | case 1 : | |
3883 | bitmask = 0x80 >> (bitoffset & 7); | |
3884 | dither = Floyd16x16[y & 15]; | |
3885 | ||
3886 | switch (z) | |
3887 | { | |
3888 | case 2 : | |
3889 | for (x = xsize; x > 0; x --, r0 += 3) | |
3890 | { | |
3891 | if (r0[0] > dither[x & 15]) | |
3892 | *ptr ^= bitmask; | |
3893 | ||
3894 | if (bitmask > 1) | |
3895 | bitmask >>= 1; | |
3896 | else | |
3897 | { | |
3898 | bitmask = 0x80; | |
3899 | ptr ++; | |
3900 | } | |
3901 | } | |
3902 | break; | |
3903 | ||
3904 | case 1 : | |
3905 | for (x = xsize; x > 0; x --, r0 += 3) | |
3906 | { | |
3907 | if (r0[1] > dither[x & 15]) | |
3908 | *ptr ^= bitmask; | |
3909 | ||
3910 | if (bitmask > 1) | |
3911 | bitmask >>= 1; | |
3912 | else | |
3913 | { | |
3914 | bitmask = 0x80; | |
3915 | ptr ++; | |
3916 | } | |
3917 | } | |
3918 | break; | |
3919 | ||
3920 | case 0 : | |
3921 | for (x = xsize; x > 0; x --, r0 += 3) | |
3922 | { | |
3923 | if (r0[2] > dither[x & 15]) | |
3924 | *ptr ^= bitmask; | |
3925 | ||
3926 | if (bitmask > 1) | |
3927 | bitmask >>= 1; | |
3928 | else | |
3929 | { | |
3930 | bitmask = 0x80; | |
3931 | ptr ++; | |
3932 | } | |
3933 | } | |
3934 | break; | |
3935 | } | |
3936 | break; | |
3937 | ||
3938 | case 2 : | |
3939 | bitmask = 0xc0 >> (bitoffset & 7); | |
3940 | dither = Floyd8x8[y & 7]; | |
3941 | z = 2 - z; | |
3942 | r0 += z; | |
3943 | ||
3944 | for (x = xsize; x > 0; x --, r0 += 3) | |
3945 | { | |
3946 | if ((*r0 & 63) > dither[x & 7]) | |
3947 | *ptr ^= (bitmask & OnPixels[*r0]); | |
3948 | else | |
3949 | *ptr ^= (bitmask & OffPixels[*r0]); | |
3950 | ||
3951 | if (bitmask > 3) | |
3952 | bitmask >>= 2; | |
3953 | else | |
3954 | { | |
3955 | bitmask = 0xc0; | |
3956 | ||
3957 | ptr ++; | |
3958 | } | |
3959 | } | |
3960 | break; | |
3961 | ||
3962 | case 4 : | |
3963 | bitmask = 0xf0 >> (bitoffset & 7); | |
3964 | dither = Floyd4x4[y & 3]; | |
3965 | z = 2 - z; | |
3966 | r0 += z; | |
3967 | ||
3968 | for (x = xsize; x > 0; x --, r0 += 3) | |
3969 | { | |
3970 | if ((*r0 & 15) > dither[x & 3]) | |
3971 | *ptr ^= (bitmask & OnPixels[*r0]); | |
3972 | else | |
3973 | *ptr ^= (bitmask & OffPixels[*r0]); | |
3974 | ||
3975 | if (bitmask == 0xf0) | |
3976 | bitmask = 0x0f; | |
3977 | else | |
3978 | { | |
3979 | bitmask = 0xf0; | |
3980 | ||
3981 | ptr ++; | |
3982 | } | |
3983 | } | |
3984 | break; | |
3985 | ||
3986 | case 8 : | |
3987 | z = 2 - z; | |
3988 | r0 += z; | |
3989 | r1 += z; | |
3990 | ||
3991 | for (x = xsize; x > 0; x --, r0 += 3, r1 += 3) | |
3992 | { | |
3993 | if (*r0 == *r1) | |
3994 | *ptr++ = *r0; | |
3995 | else | |
3996 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
3997 | } | |
3998 | break; | |
3999 | } | |
4000 | break; | |
4001 | } | |
4002 | } | |
4003 | ||
4004 | ||
4005 | /* | |
4006 | * 'format_YMCK()' - Convert image data to YMCK. | |
4007 | */ | |
4008 | ||
4009 | static void | |
4010 | format_YMCK(cups_page_header_t *header, /* I - Page header */ | |
4011 | unsigned char *row, /* IO - Bitmap data for device */ | |
4012 | int y, /* I - Current row */ | |
4013 | int z, /* I - Current plane */ | |
4014 | int xsize, /* I - Width of image data */ | |
4015 | int ysize, /* I - Height of image data */ | |
4016 | int yerr0, /* I - Top Y error */ | |
4017 | int yerr1, /* I - Bottom Y error */ | |
4018 | ib_t *r0, /* I - Primary image data */ | |
4019 | ib_t *r1) /* I - Image data for interpolation */ | |
4020 | { | |
4021 | ib_t *ptr, /* Pointer into row */ | |
4022 | *cptr, /* Pointer into cyan */ | |
4023 | *mptr, /* Pointer into magenta */ | |
4024 | *yptr, /* Pointer into yellow */ | |
4025 | *kptr, /* Pointer into black */ | |
f4771f31 | 4026 | bitmask; /* Current mask for pixel */ |
64a31f55 | 4027 | int bitoffset; /* Current offset in line */ |
4028 | int bandwidth; /* Width of a color band */ | |
4029 | int x, /* Current X coordinate on page */ | |
4030 | *dither; /* Pointer into dither array */ | |
4031 | ||
4032 | ||
c5da5726 | 4033 | switch (XPosition) |
4034 | { | |
4035 | case -1 : | |
4036 | bitoffset = 0; | |
4037 | break; | |
b6ea8f29 | 4038 | default : |
c5da5726 | 4039 | bitoffset = header->cupsBitsPerPixel * ((header->cupsWidth - xsize) / 2); |
4040 | break; | |
4041 | case 1 : | |
4042 | bitoffset = header->cupsBitsPerPixel * (header->cupsWidth - xsize); | |
4043 | break; | |
4044 | } | |
64a31f55 | 4045 | |
4046 | ptr = row + bitoffset / 8; | |
4047 | bandwidth = header->cupsBytesPerLine / 4; | |
4048 | ||
4049 | switch (header->cupsColorOrder) | |
4050 | { | |
4051 | case CUPS_ORDER_CHUNKED : | |
4052 | switch (header->cupsBitsPerColor) | |
4053 | { | |
4054 | case 1 : | |
4055 | bitmask = 128 >> (bitoffset & 7); | |
4056 | dither = Floyd16x16[y & 15]; | |
4057 | ||
f4771f31 | 4058 | for (x = xsize ; x > 0; x --, r0 += 4) |
64a31f55 | 4059 | { |
4060 | if (r0[2] > dither[x & 15]) | |
4061 | *ptr ^= bitmask; | |
4062 | bitmask >>= 1; | |
4063 | ||
4064 | if (r0[1] > dither[x & 15]) | |
4065 | *ptr ^= bitmask; | |
4066 | bitmask >>= 1; | |
4067 | ||
4068 | if (r0[0] > dither[x & 15]) | |
4069 | *ptr ^= bitmask; | |
f4771f31 | 4070 | bitmask >>= 1; |
64a31f55 | 4071 | |
f4771f31 | 4072 | if (r0[3] > dither[x & 15]) |
4073 | *ptr ^= bitmask; | |
4074 | ||
4075 | if (bitmask > 1) | |
4076 | bitmask >>= 1; | |
64a31f55 | 4077 | else |
4078 | { | |
4079 | bitmask = 128; | |
64a31f55 | 4080 | |
4081 | ptr ++; | |
4082 | } | |
4083 | } | |
64a31f55 | 4084 | break; |
4085 | ||
4086 | case 2 : | |
4087 | dither = Floyd8x8[y & 7]; | |
4088 | ||
4089 | for (x = xsize ; x > 0; x --, r0 += 4) | |
4090 | { | |
4091 | if ((r0[2] & 63) > dither[x & 7]) | |
4092 | *ptr ^= (0xc0 & OnPixels[r0[2]]); | |
4093 | else | |
4094 | *ptr ^= (0xc0 & OffPixels[r0[2]]); | |
4095 | ||
4096 | if ((r0[1] & 63) > dither[x & 7]) | |
4097 | *ptr ^= (0x30 & OnPixels[r0[1]]); | |
4098 | else | |
4099 | *ptr ^= (0x30 & OffPixels[r0[1]]); | |
4100 | ||
4101 | if ((r0[0] & 63) > dither[x & 7]) | |
4102 | *ptr ^= (0x0c & OnPixels[r0[0]]); | |
4103 | else | |
4104 | *ptr ^= (0x0c & OffPixels[r0[0]]); | |
4105 | ||
4106 | if ((r0[3] & 63) > dither[x & 7]) | |
4107 | *ptr++ ^= (0x03 & OnPixels[r0[3]]); | |
4108 | else | |
4109 | *ptr++ ^= (0x03 & OffPixels[r0[3]]); | |
4110 | } | |
4111 | break; | |
4112 | ||
4113 | case 4 : | |
4114 | dither = Floyd4x4[y & 3]; | |
4115 | ||
4116 | for (x = xsize ; x > 0; x --, r0 += 4) | |
4117 | { | |
4118 | if ((r0[2] & 15) > dither[x & 3]) | |
4119 | *ptr ^= (0xf0 & OnPixels[r0[2]]); | |
4120 | else | |
4121 | *ptr ^= (0xf0 & OffPixels[r0[2]]); | |
4122 | ||
4123 | if ((r0[1] & 15) > dither[x & 3]) | |
4124 | *ptr++ ^= (0x0f & OnPixels[r0[1]]); | |
4125 | else | |
4126 | *ptr++ ^= (0x0f & OffPixels[r0[1]]); | |
4127 | ||
4128 | if ((r0[0] & 15) > dither[x & 3]) | |
4129 | *ptr ^= (0xf0 & OnPixels[r0[0]]); | |
4130 | else | |
4131 | *ptr ^= (0xf0 & OffPixels[r0[0]]); | |
4132 | ||
4133 | if ((r0[3] & 15) > dither[x & 3]) | |
4134 | *ptr++ ^= (0x0f & OnPixels[r0[3]]); | |
4135 | else | |
4136 | *ptr++ ^= (0x0f & OffPixels[r0[3]]); | |
4137 | } | |
4138 | break; | |
4139 | ||
4140 | case 8 : | |
4141 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
4142 | { | |
4143 | if (r0[2] == r1[2]) | |
4144 | *ptr++ = r0[2]; | |
4145 | else | |
4146 | *ptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
4147 | ||
4148 | if (r0[1] == r1[1]) | |
4149 | *ptr++ = r0[1]; | |
4150 | else | |
4151 | *ptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
4152 | ||
4153 | if (r0[0] == r1[0]) | |
4154 | *ptr++ = r0[0]; | |
4155 | else | |
4156 | *ptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
4157 | ||
4158 | if (r0[3] == r1[3]) | |
4159 | *ptr++ = r0[3]; | |
4160 | else | |
4161 | *ptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize; | |
4162 | } | |
4163 | break; | |
4164 | } | |
4165 | break; | |
4166 | ||
4167 | case CUPS_ORDER_BANDED : | |
4168 | yptr = ptr; | |
4169 | mptr = ptr + bandwidth; | |
4170 | cptr = ptr + 2 * bandwidth; | |
4171 | kptr = ptr + 3 * bandwidth; | |
4172 | ||
4173 | switch (header->cupsBitsPerColor) | |
4174 | { | |
4175 | case 1 : | |
4176 | bitmask = 0x80 >> (bitoffset & 7); | |
4177 | dither = Floyd16x16[y & 15]; | |
4178 | ||
4179 | for (x = xsize; x > 0; x --) | |
4180 | { | |
4181 | if (*r0++ > dither[x & 15]) | |
4182 | *cptr ^= bitmask; | |
4183 | if (*r0++ > dither[x & 15]) | |
4184 | *mptr ^= bitmask; | |
4185 | if (*r0++ > dither[x & 15]) | |
4186 | *yptr ^= bitmask; | |
f4771f31 | 4187 | if (*r0++ > dither[x & 15]) |
4188 | *kptr ^= bitmask; | |
64a31f55 | 4189 | |
4190 | if (bitmask > 1) | |
4191 | bitmask >>= 1; | |
4192 | else | |
4193 | { | |
4194 | bitmask = 0x80; | |
f4771f31 | 4195 | |
4196 | cptr ++; | |
4197 | mptr ++; | |
4198 | yptr ++; | |
4199 | kptr ++; | |
64a31f55 | 4200 | } |
4201 | } | |
64a31f55 | 4202 | break; |
4203 | ||
4204 | case 2 : | |
4205 | bitmask = 0xc0 >> (bitoffset & 7); | |
4206 | dither = Floyd8x8[y & 7]; | |
4207 | ||
4208 | for (x = xsize; x > 0; x --) | |
4209 | { | |
4210 | if ((*r0 & 63) > dither[x & 7]) | |
4211 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
4212 | else | |
4213 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
4214 | ||
4215 | if ((*r0 & 63) > dither[x & 7]) | |
4216 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
4217 | else | |
4218 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
4219 | ||
4220 | if ((*r0 & 63) > dither[x & 7]) | |
4221 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
4222 | else | |
4223 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
4224 | ||
4225 | if ((*r0 & 63) > dither[x & 7]) | |
4226 | *kptr ^= (bitmask & OnPixels[*r0++]); | |
4227 | else | |
4228 | *kptr ^= (bitmask & OffPixels[*r0++]); | |
4229 | ||
4230 | if (bitmask > 3) | |
4231 | bitmask >>= 2; | |
4232 | else | |
4233 | { | |
4234 | bitmask = 0xc0; | |
4235 | ||
4236 | cptr ++; | |
4237 | mptr ++; | |
4238 | yptr ++; | |
4239 | kptr ++; | |
4240 | } | |
4241 | } | |
4242 | break; | |
4243 | ||
4244 | case 4 : | |
4245 | bitmask = 0xf0 >> (bitoffset & 7); | |
4246 | dither = Floyd4x4[y & 3]; | |
4247 | ||
4248 | for (x = xsize; x > 0; x --) | |
4249 | { | |
4250 | if ((*r0 & 15) > dither[x & 3]) | |
4251 | *cptr ^= (bitmask & OnPixels[*r0++]); | |
4252 | else | |
4253 | *cptr ^= (bitmask & OffPixels[*r0++]); | |
4254 | ||
4255 | if ((*r0 & 15) > dither[x & 3]) | |
4256 | *mptr ^= (bitmask & OnPixels[*r0++]); | |
4257 | else | |
4258 | *mptr ^= (bitmask & OffPixels[*r0++]); | |
4259 | ||
4260 | if ((*r0 & 15) > dither[x & 3]) | |
4261 | *yptr ^= (bitmask & OnPixels[*r0++]); | |
4262 | else | |
4263 | *yptr ^= (bitmask & OffPixels[*r0++]); | |
4264 | ||
4265 | if ((*r0 & 15) > dither[x & 3]) | |
4266 | *kptr ^= (bitmask & OnPixels[*r0++]); | |
4267 | else | |
4268 | *kptr ^= (bitmask & OffPixels[*r0++]); | |
4269 | ||
4270 | if (bitmask == 0xf0) | |
4271 | bitmask = 0x0f; | |
4272 | else | |
4273 | { | |
4274 | bitmask = 0xf0; | |
4275 | ||
4276 | cptr ++; | |
4277 | mptr ++; | |
4278 | yptr ++; | |
4279 | kptr ++; | |
4280 | } | |
4281 | } | |
4282 | break; | |
4283 | ||
4284 | case 8 : | |
4285 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
4286 | { | |
4287 | if (r0[0] == r1[0]) | |
4288 | *cptr++ = r0[0]; | |
4289 | else | |
4290 | *cptr++ = (r0[0] * yerr0 + r1[0] * yerr1) / ysize; | |
4291 | ||
4292 | if (r0[1] == r1[1]) | |
4293 | *mptr++ = r0[1]; | |
4294 | else | |
4295 | *mptr++ = (r0[1] * yerr0 + r1[1] * yerr1) / ysize; | |
4296 | ||
4297 | if (r0[2] == r1[2]) | |
4298 | *yptr++ = r0[2]; | |
4299 | else | |
4300 | *yptr++ = (r0[2] * yerr0 + r1[2] * yerr1) / ysize; | |
4301 | ||
4302 | if (r0[3] == r1[3]) | |
4303 | *kptr++ = r0[3]; | |
4304 | else | |
4305 | *kptr++ = (r0[3] * yerr0 + r1[3] * yerr1) / ysize; | |
4306 | } | |
4307 | break; | |
4308 | } | |
4309 | break; | |
4310 | ||
4311 | case CUPS_ORDER_PLANAR : | |
4312 | switch (header->cupsBitsPerColor) | |
4313 | { | |
4314 | case 1 : | |
4315 | bitmask = 0x80 >> (bitoffset & 7); | |
4316 | dither = Floyd16x16[y & 15]; | |
4317 | ||
f4771f31 | 4318 | if (z < 3) |
4319 | r0 += 2 - z; | |
4320 | else | |
4321 | r0 += z; | |
64a31f55 | 4322 | |
f4771f31 | 4323 | for (x = xsize; x > 0; x --, r0 += 4) |
4324 | { | |
4325 | if (*r0 > dither[x & 15]) | |
4326 | *ptr ^= bitmask; | |
64a31f55 | 4327 | |
f4771f31 | 4328 | if (bitmask > 1) |
4329 | bitmask >>= 1; | |
4330 | else | |
4331 | { | |
4332 | bitmask = 0x80; | |
4333 | ptr ++; | |
4334 | } | |
64a31f55 | 4335 | } |
4336 | break; | |
4337 | ||
4338 | case 2 : | |
4339 | bitmask = 0xc0 >> (bitoffset & 7); | |
4340 | dither = Floyd8x8[y & 7]; | |
4341 | if (z == 3) | |
4342 | r0 += 3; | |
4343 | else | |
4344 | r0 += 2 - z; | |
4345 | ||
4346 | for (x = xsize; x > 0; x --, r0 += 4) | |
4347 | { | |
4348 | if ((*r0 & 63) > dither[x & 7]) | |
4349 | *ptr ^= (bitmask & OnPixels[*r0]); | |
4350 | else | |
4351 | *ptr ^= (bitmask & OffPixels[*r0]); | |
4352 | ||
4353 | if (bitmask > 3) | |
4354 | bitmask >>= 2; | |
4355 | else | |
4356 | { | |
4357 | bitmask = 0xc0; | |
4358 | ||
4359 | ptr ++; | |
4360 | } | |
4361 | } | |
4362 | break; | |
4363 | ||
4364 | case 4 : | |
4365 | bitmask = 0xf0 >> (bitoffset & 7); | |
4366 | dither = Floyd4x4[y & 3]; | |
4367 | if (z == 3) | |
4368 | r0 += 3; | |
4369 | else | |
4370 | r0 += 2 - z; | |
4371 | ||
4372 | for (x = xsize; x > 0; x --, r0 += 4) | |
4373 | { | |
4374 | if ((*r0 & 15) > dither[x & 3]) | |
4375 | *ptr ^= (bitmask & OnPixels[*r0]); | |
4376 | else | |
4377 | *ptr ^= (bitmask & OffPixels[*r0]); | |
4378 | ||
4379 | if (bitmask == 0xf0) | |
4380 | bitmask = 0x0f; | |
4381 | else | |
4382 | { | |
4383 | bitmask = 0xf0; | |
4384 | ||
4385 | ptr ++; | |
4386 | } | |
4387 | } | |
4388 | break; | |
4389 | ||
4390 | case 8 : | |
4391 | if (z == 3) | |
4392 | { | |
4393 | r0 += 3; | |
4394 | r1 += 3; | |
4395 | } | |
4396 | else | |
4397 | { | |
4398 | r0 += 2 - z; | |
4399 | r1 += 2 - z; | |
4400 | } | |
4401 | ||
4402 | for (x = xsize; x > 0; x --, r0 += 4, r1 += 4) | |
4403 | { | |
4404 | if (*r0 == *r1) | |
4405 | *ptr++ = *r0; | |
4406 | else | |
4407 | *ptr++ = (*r0 * yerr0 + *r1 * yerr1) / ysize; | |
4408 | } | |
4409 | break; | |
4410 | } | |
4411 | break; | |
4412 | } | |
6e2740f1 | 4413 | } |
4414 | ||
4415 | ||
4416 | /* | |
6de9968b | 4417 | * 'make_lut()' - Make a lookup table given gamma and brightness values. |
6e2740f1 | 4418 | */ |
4419 | ||
4420 | static void | |
4421 | make_lut(ib_t *lut, /* I - Lookup table */ | |
4422 | int colorspace, /* I - Colorspace */ | |
6de9968b | 4423 | float g, /* I - Image gamma */ |
4424 | float b) /* I - Image brightness */ | |
6e2740f1 | 4425 | { |
4426 | int i; /* Looping var */ | |
6de9968b | 4427 | int v; /* Current value */ |
6e2740f1 | 4428 | |
6e2740f1 | 4429 | |
6de9968b | 4430 | g = 1.0 / g; |
4431 | b = 1.0 / b; | |
6e2740f1 | 4432 | |
4433 | for (i = 0; i < 256; i ++) | |
4434 | { | |
4435 | if (colorspace < 0) | |
6de9968b | 4436 | v = 255.0 * b * (1.0 - pow(1.0 - (float)i / 255.0, g)) + 0.5; |
6e2740f1 | 4437 | else |
6de9968b | 4438 | v = 255.0 * (1.0 - b * (1.0 - pow((float)i / 255.0, g))) + 0.5; |
6e2740f1 | 4439 | |
6de9968b | 4440 | if (v < 0) |
4441 | *lut++ = 0; | |
4442 | else if (v > 255) | |
4443 | *lut++ = 255; | |
6e2740f1 | 4444 | else |
6de9968b | 4445 | *lut++ = v; |
4446 | } | |
6e2740f1 | 4447 | } |
4448 | ||
4449 | ||
4450 | /* | |
efb2f309 | 4451 | * End of "$Id: imagetoraster.c,v 1.61 2002/01/02 17:59:00 mike Exp $". |
6e2740f1 | 4452 | */ |