2 * Copyright (c) 2001-2003, David Janssens
3 * Copyright (c) 2002-2003, Yannick Verschueren
4 * Copyright (c) 2002-2003, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
35 /* -->> -->> -->> -->>
39 <<-- <<-- <<-- <<-- */
41 /* UINT2 defines a two byte word */
42 typedef unsigned short int UINT2;
44 /* UINT4 defines a four byte word */
45 typedef unsigned long int UINT4;
48 UINT2 bfType; /* 'BM' for Bitmap (19776) */
49 UINT4 bfSize; /* Size of the file */
50 UINT2 bfReserved1; /* Reserved : 0 */
51 UINT2 bfReserved2; /* Reserved : 0 */
52 UINT4 bfOffBits; /* Offset */
56 UINT4 biSize; /* Size of the structure in bytes */
57 UINT4 biWidth; /* Width of the image in pixels */
58 UINT4 biHeight; /* Heigth of the image in pixels */
59 UINT2 biPlanes; /* 1 */
60 UINT2 biBitCount; /* Number of color bits by pixels */
61 UINT4 biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */
62 UINT4 biSizeImage; /* Size of the image in bytes */
63 UINT4 biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */
64 UINT4 biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */
65 UINT4 biClrUsed; /* Number of color used in the image (0: ALL) */
66 UINT4 biClrImportant; /* Number of important color (0: ALL) */
69 int bmptoimage(char *filename, j2k_image_t * img, int subsampling_dx,
70 int subsampling_dy, int Dim[2])
73 FILE *Compo0 = NULL, *Compo1 = NULL, *Compo2 = NULL;
74 BITMAPFILEHEADER_t File_h;
75 BITMAPINFOHEADER_t Info_h;
77 unsigned char *table_R, *table_G, *table_B;
78 unsigned int j, w, h, PAD, type = 0;
81 int gray_scale = 1, not_end_file = 1;
83 unsigned int line = 0, col = 0;
87 IN = fopen(filename, "rb");
90 "\033[0;33mFailed to open %s for reading !!\033[0;39m\n",
95 File_h.bfType = getc(IN);
96 File_h.bfType = (getc(IN) << 8) + File_h.bfType;
98 if (File_h.bfType != 19778) {
99 fprintf(stderr,"Error, not a BMP file!\n");
104 File_h.bfSize = getc(IN);
105 File_h.bfSize = (getc(IN) << 8) + File_h.bfSize;
106 File_h.bfSize = (getc(IN) << 16) + File_h.bfSize;
107 File_h.bfSize = (getc(IN) << 24) + File_h.bfSize;
109 File_h.bfReserved1 = getc(IN);
110 File_h.bfReserved1 = (getc(IN) << 8) + File_h.bfReserved1;
112 File_h.bfReserved2 = getc(IN);
113 File_h.bfReserved2 = (getc(IN) << 8) + File_h.bfReserved2;
115 File_h.bfOffBits = getc(IN);
116 File_h.bfOffBits = (getc(IN) << 8) + File_h.bfOffBits;
117 File_h.bfOffBits = (getc(IN) << 16) + File_h.bfOffBits;
118 File_h.bfOffBits = (getc(IN) << 24) + File_h.bfOffBits;
123 Info_h.biSize = getc(IN);
124 Info_h.biSize = (getc(IN) << 8) + Info_h.biSize;
125 Info_h.biSize = (getc(IN) << 16) + Info_h.biSize;
126 Info_h.biSize = (getc(IN) << 24) + Info_h.biSize;
128 Info_h.biWidth = getc(IN);
129 Info_h.biWidth = (getc(IN) << 8) + Info_h.biWidth;
130 Info_h.biWidth = (getc(IN) << 16) + Info_h.biWidth;
131 Info_h.biWidth = (getc(IN) << 24) + Info_h.biWidth;
134 Info_h.biHeight = getc(IN);
135 Info_h.biHeight = (getc(IN) << 8) + Info_h.biHeight;
136 Info_h.biHeight = (getc(IN) << 16) + Info_h.biHeight;
137 Info_h.biHeight = (getc(IN) << 24) + Info_h.biHeight;
140 Info_h.biPlanes = getc(IN);
141 Info_h.biPlanes = (getc(IN) << 8) + Info_h.biPlanes;
143 Info_h.biBitCount = getc(IN);
144 Info_h.biBitCount = (getc(IN) << 8) + Info_h.biBitCount;
146 Info_h.biCompression = getc(IN);
147 Info_h.biCompression = (getc(IN) << 8) + Info_h.biCompression;
148 Info_h.biCompression = (getc(IN) << 16) + Info_h.biCompression;
149 Info_h.biCompression = (getc(IN) << 24) + Info_h.biCompression;
151 Info_h.biSizeImage = getc(IN);
152 Info_h.biSizeImage = (getc(IN) << 8) + Info_h.biSizeImage;
153 Info_h.biSizeImage = (getc(IN) << 16) + Info_h.biSizeImage;
154 Info_h.biSizeImage = (getc(IN) << 24) + Info_h.biSizeImage;
156 Info_h.biXpelsPerMeter = getc(IN);
157 Info_h.biXpelsPerMeter = (getc(IN) << 8) + Info_h.biXpelsPerMeter;
158 Info_h.biXpelsPerMeter = (getc(IN) << 16) + Info_h.biXpelsPerMeter;
159 Info_h.biXpelsPerMeter = (getc(IN) << 24) + Info_h.biXpelsPerMeter;
161 Info_h.biYpelsPerMeter = getc(IN);
162 Info_h.biYpelsPerMeter = (getc(IN) << 8) + Info_h.biYpelsPerMeter;
163 Info_h.biYpelsPerMeter = (getc(IN) << 16) + Info_h.biYpelsPerMeter;
164 Info_h.biYpelsPerMeter = (getc(IN) << 24) + Info_h.biYpelsPerMeter;
166 Info_h.biClrUsed = getc(IN);
167 Info_h.biClrUsed = (getc(IN) << 8) + Info_h.biClrUsed;
168 Info_h.biClrUsed = (getc(IN) << 16) + Info_h.biClrUsed;
169 Info_h.biClrUsed = (getc(IN) << 24) + Info_h.biClrUsed;
171 Info_h.biClrImportant = getc(IN);
172 Info_h.biClrImportant = (getc(IN) << 8) + Info_h.biClrImportant;
173 Info_h.biClrImportant = (getc(IN) << 16) + Info_h.biClrImportant;
174 Info_h.biClrImportant = (getc(IN) << 24) + Info_h.biClrImportant;
176 /* Read the data and store them in the OUT file */
178 if (Info_h.biBitCount == 24) {
182 !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -
186 !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -
190 img->color_space = 1;
192 (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
193 for (i = 0; i < img->numcomps; i++) {
194 img->comps[i].prec = 8;
195 img->comps[i].bpp = 8;
196 img->comps[i].sgnd = 0;
197 img->comps[i].dx = subsampling_dx;
198 img->comps[i].dy = subsampling_dy;
200 Compo0 = fopen("Compo0", "wb");
203 "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
205 Compo1 = fopen("Compo1", "wb");
208 "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
210 Compo2 = fopen("Compo2", "wb");
213 "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
216 /* Place the cursor at the beginning of the image information */
217 fseek(IN, 0, SEEK_SET);
218 fseek(IN, File_h.bfOffBits, SEEK_SET);
223 /* PAD = 4 - (3 * W) % 4;*/
224 /* PAD = (PAD == 4) ? 0 : PAD; */
225 PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0;
229 (unsigned char *) malloc((3 * W + PAD) * H * sizeof(unsigned char));
231 fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN);
233 for (j = 0; j < (3 * W + PAD) * H; j++) {
235 int Wp = 3 * W + PAD;
237 elmt = RGB[(H - (j / Wp + 1)) * Wp + j % Wp];
238 if ((j % Wp) < (3 * W)) {
241 fprintf(Compo2, "%c", elmt);
245 fprintf(Compo1, "%c", elmt);
249 fprintf(Compo0, "%c", elmt);
260 } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 0) {
264 !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w -1) *
267 !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h -1) *
270 table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
271 table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
272 table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
274 for (j = 0; j < Info_h.biClrUsed; j++) {
275 table_B[j] = getc(IN);
276 table_G[j] = getc(IN);
277 table_R[j] = getc(IN);
279 if (table_R[j] != table_G[j] && table_R[j] != table_B[j]
280 && table_G[j] != table_B[j])
284 /* Place the cursor at the beginning of the image information */
285 fseek(IN, 0, SEEK_SET);
286 fseek(IN, File_h.bfOffBits, SEEK_SET);
290 if (Info_h.biWidth % 2)
293 RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));
295 fread(RGB, sizeof(unsigned char), W * H, IN);
299 (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
300 img->comps[0].prec = 8;
301 img->comps[0].bpp = 8;
302 img->comps[0].sgnd = 0;
303 img->comps[0].dx = subsampling_dx;
304 img->comps[0].dy = subsampling_dy;
305 Compo0 = fopen("Compo0", "wb");
308 "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
310 for (j = 0; j < W * H; j++) {
311 if ((j % W < W - 1 && Info_h.biWidth % 2)
312 || !(Info_h.biWidth % 2))
313 fprintf(Compo0, "%c",
314 table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]]);
320 (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
321 for (i = 0; i < img->numcomps; i++) {
322 img->comps[i].prec = 8;
323 img->comps[i].bpp = 8;
324 img->comps[i].sgnd = 0;
325 img->comps[i].dx = subsampling_dx;
326 img->comps[i].dy = subsampling_dy;
329 Compo0 = fopen("Compo0", "wb");
332 "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
334 Compo1 = fopen("Compo1", "wb");
337 "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
339 Compo2 = fopen("Compo2", "wb");
342 "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
345 for (j = 0; j < W * H; j++) {
346 if ((j % W < W - 1 && Info_h.biWidth % 2)
347 || !(Info_h.biWidth % 2)) {
348 fprintf(Compo0, "%c",
349 table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]]);
350 fprintf(Compo1, "%c",
351 table_G[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]]);
352 fprintf(Compo2, "%c",
353 table_B[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]]);
363 } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) {
367 !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - 1) *
370 !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - 1) *
373 table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
374 table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
375 table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
377 for (j = 0; j < Info_h.biClrUsed; j++) {
378 table_B[j] = getc(IN);
379 table_G[j] = getc(IN);
380 table_R[j] = getc(IN);
382 if (table_R[j] != table_G[j] && table_R[j] != table_B[j]
383 && table_G[j] != table_B[j])
387 /* Place the cursor at the beginning of the image information */
388 fseek(IN, 0, SEEK_SET);
389 fseek(IN, File_h.bfOffBits, SEEK_SET);
393 img->comps = (j2k_comp_t *) malloc(sizeof(j2k_comp_t));
394 img->comps[0].prec = 8;
395 img->comps[0].bpp = 8;
396 img->comps[0].sgnd = 0;
397 img->comps[0].dx = subsampling_dx;
398 img->comps[0].dy = subsampling_dy;
399 Compo0 = fopen("Compo0", "wb");
402 "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
407 (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
408 for (i = 0; i < img->numcomps; i++) {
409 img->comps[i].prec = 8;
410 img->comps[i].bpp = 8;
411 img->comps[i].sgnd = 0;
412 img->comps[i].dx = subsampling_dx;
413 img->comps[i].dy = subsampling_dy;
415 Compo0 = fopen("Compo0", "wb");
418 "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
420 Compo1 = fopen("Compo1", "wb");
423 "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
425 Compo2 = fopen("Compo2", "wb");
428 "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
433 (unsigned char *) malloc(Info_h.biWidth * Info_h.biHeight *
434 sizeof(unsigned char));
436 while (not_end_file) {
440 for (i = 0; i < (int) v; i++) {
441 RGB[line * Info_h.biWidth + col] = v2;
456 fprintf(stderr,"No Delta supported\n");
460 for (i = 0; i < v; i++) {
462 RGB[line * Info_h.biWidth + col] = v2;
472 for (line = 0; line < Info_h.biHeight; line++)
473 for (col = 0; col < Info_h.biWidth; col++)
474 fprintf(Compo0, "%c", table_R[(int)
475 RGB[(Info_h.biHeight - line -
476 1) * Info_h.biWidth + col]]);
479 for (line = 0; line < Info_h.biHeight; line++)
480 for (col = 0; col < Info_h.biWidth; col++) {
481 fprintf(Compo0, "%c", table_R[(int)
482 RGB[(Info_h.biHeight - line -
483 1) * Info_h.biWidth + col]]);
484 fprintf(Compo1, "%c", table_G[(int)
485 RGB[(Info_h.biHeight - line -
486 1) * Info_h.biWidth + col]]);
487 fprintf(Compo2, "%c", table_B[(int)
488 RGB[(Info_h.biHeight - line -
489 1) * Info_h.biWidth + col]]);
498 "Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n",
506 /* -->> -->> -->> -->>
510 <<-- <<-- <<-- <<-- */
513 unsigned char readuchar(FILE * f)
520 unsigned short readushort(FILE * f, int bigendian)
522 unsigned char c1, c2;
526 return (c1 << 8) + c2;
528 return (c2 << 8) + c1;
531 unsigned int readuint(FILE * f, int bigendian)
533 unsigned char c1, c2, c3, c4;
539 return (c1 << 24) + (c2 << 16) + (c3 << 8) + c4;
541 return (c4 << 24) + (c3 << 16) + (c2 << 8) + c1;
544 int pgxtoimage(char *filename, j2k_image_t * img, int tdy,
545 int subsampling_dx, int subsampling_dy, int Dim[2],
550 int i, compno, bandno;
553 char endian1,endian2,sign;
561 img->color_space = 2;
562 img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
563 for (compno = 0; compno < img->numcomps; compno++) {
569 comp = &img->comps[compno];
570 sprintf(str, "%s", filename);
573 f = fopen(str, "rb");
575 fprintf(stderr, "Failed to open %s for reading !\n", str);
579 fseek(f, 0, SEEK_SET);
580 fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h);
586 while (signtmp[i]!='\0') {
587 if (signtmp[i]=='-') sign='-';
592 if (endian1=='M' && endian2=='L')
594 else if (endian2=='M' && endian1=='L')
597 fprintf(stderr, "Bad pgx header, please check input file\n");
604 !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - 1) *
607 !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - 1) *
610 if (w != img->x1 || h != img->y1)
620 comp->dx = subsampling_dx;
621 comp->dy = subsampling_dy;
624 Y1 = cp.ty0 + bandno * cp.tdy <
625 img->y1 ? cp.ty0 + bandno * cp.tdy : img->y1;
628 sprintf(tmp, "bandtile%d", bandno); /* bandtile file */
629 src = fopen(tmp, "wb");
631 fprintf(stderr, "failed to open %s for writing !\n", tmp);
633 for (i = 0; i < w * h; i++) {
635 if (i == Y1 * w / subsampling_dy && tdy != -1) { /* bandtile is full */
638 sprintf(tmp, "bandtile%d", bandno);
639 src = fopen(tmp, "wb");
641 fprintf(stderr, "failed to open %s for writing !\n", tmp);
643 Y1 = cp.ty0 + bandno * cp.tdy <
644 img->y1 ? cp.ty0 + bandno * cp.tdy : img->y1;
647 if (comp->prec <= 8) {
651 v = (char) readuchar(f);
653 } else if (comp->prec <= 16) {
655 v = readushort(f, bigendian);
657 v = (short) readushort(f, bigendian);
661 v = readuint(f, bigendian);
663 v = (int) readuint(f, bigendian);
668 fprintf(src, "%d ", v);
672 comp->bpp = int_floorlog2(max) + 1;
677 /* -->> -->> -->> -->>
681 <<-- <<-- <<-- <<-- */
683 int pnmtoimage(char *filename, j2k_image_t * img, int subsampling_dx,
684 int subsampling_dy, int Dim[2])
687 FILE *Compo0, *Compo1, *Compo2;
693 f = fopen(filename, "rb");
696 "\033[0;33mFailed to open %s for reading !!\033[0;39m\n",
707 if (fgetc(f) == '#') {
708 fseek(f, 0, SEEK_SET);
710 fgets(comment, 256, f);
711 fscanf(f, "%d %d\n255", &w, &h);
713 fseek(f, 0, SEEK_SET);
714 fscanf(f, "P2\n%d %d\n255", &w, &h);
721 !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - 1) *
724 !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - 1) *
728 img->color_space = 2;
729 img->comps = (j2k_comp_t *) malloc(sizeof(j2k_comp_t));
730 img->comps[0].prec = 8;
731 img->comps[0].bpp = 8;
732 img->comps[0].sgnd = 0;
733 img->comps[0].dx = subsampling_dx;
734 img->comps[0].dy = subsampling_dy;
736 Compo0 = fopen("Compo0", "wb");
739 "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
741 for (i = 0; i < w * h; i++) {
744 fprintf(Compo0, "%c", l);
747 } else if (value == '5') {
749 if (fgetc(f) == '#') {
750 fseek(f, 0, SEEK_SET);
752 fgets(comment, 256, f);
753 fscanf(f, "%d %d\n255", &w, &h);
755 fseek(f, 0, SEEK_SET);
756 fscanf(f, "P5\n%d %d\n255", &w, &h);
763 !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - 1) *
766 !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - 1) *
770 img->color_space = 2;
771 img->comps = (j2k_comp_t *) malloc(sizeof(j2k_comp_t));
772 img->comps[0].prec = 8;
773 img->comps[0].bpp = 8;
774 img->comps[0].sgnd = 0;
775 img->comps[0].dx = subsampling_dx;
776 img->comps[0].dy = subsampling_dy;
777 Compo0 = fopen("Compo0", "wb");
780 "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
782 for (i = 0; i < w * h; i++) {
785 fwrite(&l, 1, 1, Compo0);
788 } else if (value == '3') {
790 if (fgetc(f) == '#') {
791 fseek(f, 0, SEEK_SET);
793 fgets(comment, 256, f);
794 fscanf(f, "%d %d\n255", &w, &h);
796 fseek(f, 0, SEEK_SET);
797 fscanf(f, "P3\n%d %d\n255", &w, &h);
804 !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - 1) *
807 !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - 1) *
810 img->color_space = 1;
811 img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
812 for (i = 0; i < img->numcomps; i++) {
813 img->comps[i].prec = 8;
814 img->comps[i].bpp = 8;
815 img->comps[i].sgnd = 0;
816 img->comps[i].dx = subsampling_dx;
817 img->comps[i].dy = subsampling_dy;
819 Compo0 = fopen("Compo0", "wb");
822 "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
825 Compo1 = fopen("Compo1", "wb");
828 "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
831 Compo2 = fopen("Compo2", "wb");
834 "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
837 for (i = 0; i < w * h; i++) {
838 unsigned int r, g, b;
842 fprintf(Compo0, "%c", r);
843 fprintf(Compo1, "%c", g);
844 fprintf(Compo2, "%c", b);
849 } else if (value == '6') {
851 if (fgetc(f) == '#') {
852 fseek(f, 0, SEEK_SET);
854 fgets(comment, 256, f);
855 fscanf(f, "%d %d\n255", &w, &h);
857 fseek(f, 0, SEEK_SET);
858 fscanf(f, "P6\n%d %d\n255", &w, &h);
865 !Dim[0] ? (w - 1) * subsampling_dx + 1 : Dim[0] + (w - 1) *
868 !Dim[1] ? (h - 1) * subsampling_dy + 1 : Dim[1] + (h - 1) *
871 img->color_space = 1;
872 img->comps = (j2k_comp_t *) malloc(img->numcomps * sizeof(j2k_comp_t));
873 for (i = 0; i < img->numcomps; i++) {
874 img->comps[i].prec = 8;
875 img->comps[i].bpp = 8;
876 img->comps[i].sgnd = 0;
877 img->comps[i].dx = subsampling_dx;
878 img->comps[i].dy = subsampling_dy;
880 Compo0 = fopen("Compo0", "wb");
883 "\033[0;33mFailed to open Compo0 for writing !\033[0;39m\n");
886 Compo1 = fopen("Compo1", "wb");
889 "\033[0;33mFailed to open Compo1 for writing !\033[0;39m\n");
892 Compo2 = fopen("Compo2", "wb");
895 "\033[0;33mFailed to open Compo2 for writing !\033[0;39m\n");
898 for (i = 0; i < w * h; i++) {
899 unsigned char r, g, b;
903 fwrite(&r, 1, 1, Compo0);
904 fwrite(&g, 1, 1, Compo1);
905 fwrite(&b, 1, 1, Compo2);