source: trunk/JPGPROC/source/gbmsrc/gbmtga.c@ 2

Last change on this file since 2 was 2, checked in by stevenhl, 8 years ago

Import sources from cwmm-full.zip dated 2005-03-21
File size: 16.1 KB
Line 
1/*
2
3gbmtga.c - Truevision Targa/Vista support
4
5Reads any uncompressed or runlength compresed type as 8 bit or 24 bit.
6Writes out only as 8 bit or 24 bit.
7Output options: 16,24,32, ydown,yup (default: 24 yup)
8
9*/
10
11/*...sincludes:0:*/
12#include <stdio.h>
13#include <ctype.h>
14#include <stddef.h>
15#include <stdlib.h>
16#include <string.h>
17#include "gbm.h"
18#include "gbmhelp.h"
19
20/*...vgbm\46\h:0:*/
21/*...vgbmhelp\46\h:0:*/
22/*...e*/
23
24/*...suseful:0:*/
25#define low_byte(w) ((byte) ( (w)&0x00ff) )
26#define high_byte(w) ((byte) (((unsigned)(w)&0xff00)>>8))
27#define make_word(a,b) (((word)a) + (((word)b) << 8))
28/*...e*/
29
30static GBMFT tga_gbmft =
31 {
32 "Targa",
33 "Truevision Targa/Vista bitmap",
34 "TGA VST AFI",
35 GBM_FT_R8|GBM_FT_R24|
36 GBM_FT_W8|GBM_FT_W24,
37 };
38
39#define GBM_ERR_TGA_BAD_BPP ((GBM_ERR) 400)
40#define GBM_ERR_TGA_BAD_TYPE ((GBM_ERR) 401)
41#define GBM_ERR_TGA_BAD_PAL ((GBM_ERR) 402)
42
43/*...starga file header definition:0:*/
44/*
45
46A Targa file is a header, followed by an identification string, followed by
47a color map, followed by the data for the image. Both the identification
48string and the color-map can be of zero length.
49
50*/
51
52#define TGA_NO_IMAGE 0 /* No image data included in file */
53#define TGA_UNCOMP_CM 1 /* Uncompressed, Color-Mapped (VDA/D */
54 /* and Targa M-8 images) */
55#define TGA_UNCOMP_RGB 2 /* Uncompressed, RGB images (eg: ICB */
56 /* Targa 16, 24 and 32) */
57#define TGA_UNCOMP_BW 3 /* Uncompressed, B/W images (eg: */
58 /* Targa 8 and Targa M-8 images) */
59#define TGA_RL_CM 9 /* Run-length, Color-Mapped (VDA/D */
60 /* and Targa M-8 images) */
61#define TGA_RL_RGB 10 /* Run-length, RGB images (eg: ICB */
62 /* Targa 16, 24 and 32) */
63#define TGA_RL_BW 11 /* Run-length, B/W images (eg: Targa */
64 /* 8 and Targa M-8) */
65#define TGA_COMP_CM 32 /* Compressed Color-Mapped (VDA/D) */
66 /* data using Huffman, Delta, and */
67 /* run length encoding */
68#define TGA_COMP_CM_4 33 /* Compressed Color-Mapped (VDA/D) */
69 /* data using Huffman, Delta, and */
70 /* run length encoding in 4 passes */
71
72#define IDB_ATTRIBUTES 0x0f /* How many attrib bits per pixel */
73 /* ie: 1 for T16, 8 for T32 */
74#define IDB_ORIGIN 0x20 /* Origin in top left corner bit */
75 /* else its in bottom left corner */
76#define IDB_INTERLEAVE 0xc0 /* Interleave bits as defined below */
77#define IDB_NON_INT 0x00 /* Non-Interlaced */
78#define IDB_2_WAY 0x40 /* 2 way (even/odd) interleaving */
79#define IDB_4_WAY 0x80 /* 4 way interleaving (eg: AT&T PC) */
80
81typedef struct
82 {
83 byte n_chars_in_id; /* Length of identification text */
84 byte color_map_present; /* 0 means no, 1 yes */
85 byte image_type; /* Type of image file, one of TGA_ */
86 byte color_map_start_low; /* These 5 bytes are only valid if */
87 byte color_map_start_high; /* color_map_present is 1. They */
88 byte color_map_length_low; /* Specify the size of the color map */
89 byte color_map_length_high; /* and where it starts from */
90 byte color_map_entry_bits; /* Bits per color map entry */
91 /* Typically 15, 16, 24 or 32 */
92 byte x_origin_low;
93 byte x_origin_high;
94 byte y_origin_low;
95 byte y_origin_high;
96 byte width_low;
97 byte width_high;
98 byte height_low;
99 byte height_high;
100 byte bpp; /* Typically 16, 24 or 32 */
101 byte image_descriptor; /* Split into IDB_ bits */
102 } TGA_HEADER;
103
104#define SIZEOF_TGA_HEADER 18
105/*...e*/
106/*...sconverters:0:*/
107/*...st24_t32:0:*/
108static void t24_t32(byte *dest, const byte *src, int n)
109 {
110 while ( n-- )
111 {
112 *dest++ = *src++;
113 *dest++ = *src++;
114 *dest++ = *src++;
115 dest++;
116 }
117 }
118/*...e*/
119/*...st32_t24:0:*/
120static void t32_t24(byte *dest, const byte *src, int n)
121 {
122 while ( n-- )
123 {
124 *dest++ = *src++;
125 *dest++ = *src++;
126 *dest++ = *src++;
127 src++;
128 }
129 }
130/*...e*/
131/*...st24_t16:0:*/
132static void t24_t16(byte *dest, const byte *src, int n)
133 {
134 while ( n-- )
135 {
136 word b = (word) (*src++ & 0xf8);
137 word g = (word) (*src++ & 0xf8);
138 word r = (word) (*src++ & 0xf8);
139 word w;
140
141 w = ((r << 7) | (g << 2) | (b >> 3));
142
143 *dest++ = (byte) w;
144 *dest++ = (byte) (w >> 8);
145 }
146 }
147/*...e*/
148/*...st16_t24:0:*/
149static void t16_t24(byte *dest, const byte *src, int n)
150 {
151 while ( n-- )
152 {
153 word l = *src++;
154 word h = *src++;
155 word w = l + (h << 8);
156
157 *dest++ = (byte) ((w & 0x001fU) << 3);
158 *dest++ = (byte) ((w & 0x03e0U) >> 2);
159 *dest++ = (byte) ((w & 0x7c00U) >> 7);
160 }
161 }
162/*...e*/
163/*...e*/
164typedef struct
165 {
166 TGA_HEADER header;
167 } TGA_PRIV;
168
169/*...stga_qft:0:*/
170GBM_ERR tga_qft(GBMFT *gbmft)
171 {
172 *gbmft = tga_gbmft;
173 return GBM_ERR_OK;
174 }
175/*...e*/
176/*...stga_rhdr:0:*/
177GBM_ERR tga_rhdr(const char *fn, int fd, GBM *gbm, const char *opt)
178 {
179 TGA_PRIV *priv = (TGA_PRIV *) gbm->priv;
180
181 fn=fn; opt=opt; /* Suppress 'unref arg' compiler warnings */
182
183 gbm_file_read(fd, (char *) &(priv->header), SIZEOF_TGA_HEADER);
184
185 switch ( priv->header.image_type )
186 {
187 case TGA_RL_BW:
188 case TGA_UNCOMP_BW:
189 if ( priv->header.bpp != 8 )
190 return GBM_ERR_TGA_BAD_BPP;
191 break;
192 case TGA_RL_CM:
193 case TGA_UNCOMP_CM:
194 if ( priv->header.bpp != 8 )
195 return GBM_ERR_TGA_BAD_BPP;
196 if ( priv->header.color_map_entry_bits != 24 )
197 return GBM_ERR_TGA_BAD_PAL;
198 break;
199 case TGA_RL_RGB:
200 case TGA_UNCOMP_RGB:
201 if ( priv->header.bpp != 16 &&
202 priv->header.bpp != 24 &&
203 priv->header.bpp != 32 )
204 return GBM_ERR_TGA_BAD_BPP;
205 break;
206 default:
207 return GBM_ERR_TGA_BAD_TYPE;
208 }
209
210 gbm->w = make_word(priv->header.width_low , priv->header.width_high );
211 gbm->h = make_word(priv->header.height_low, priv->header.height_high);
212
213 if ( gbm->w <= 0 || gbm->h <= 0 )
214 return GBM_ERR_BAD_SIZE;
215
216 gbm->bpp = ( priv->header.bpp == 8 ) ? 8 : 24;
217
218 return GBM_ERR_OK;
219 }
220/*...e*/
221/*...stga_rpal:0:*/
222GBM_ERR tga_rpal(int fd, GBM *gbm, GBMRGB *gbmrgb)
223 {
224 TGA_PRIV *priv = (TGA_PRIV *) gbm->priv;
225
226 switch ( priv->header.image_type )
227 {
228/*...sTGA_UNCOMP_BW\44\ TGA_RL_BW:16:*/
229case TGA_UNCOMP_BW:
230case TGA_RL_BW:
231 {
232 int i;
233 for ( i = 0; i < 0x100; i++ )
234 gbmrgb[i].b =
235 gbmrgb[i].g =
236 gbmrgb[i].r = (byte) i;
237 }
238 break;
239/*...e*/
240/*...sTGA_UNCOMP_CM\44\ TGA_RL_CM:16:*/
241case TGA_UNCOMP_CM:
242case TGA_RL_CM:
243 {
244 int color_map_start, color_map_length, i;
245
246 gbm_file_lseek(fd, (long) (SIZEOF_TGA_HEADER+priv->header.n_chars_in_id), SEEK_SET);
247
248 color_map_start = make_word(priv->header.color_map_start_low , priv->header.color_map_start_high );
249 color_map_length = make_word(priv->header.color_map_length_low, priv->header.color_map_length_high);
250
251 memset(gbmrgb, 0, 0x100 * sizeof(GBMRGB));
252 for ( i = color_map_start; i < color_map_start + color_map_length; i++ )
253 {
254 byte b[3];
255
256 if ( gbm_file_read(fd, (char *) b, 3) != 3 )
257 return GBM_ERR_READ;
258 gbmrgb[i].b = b[0];
259 gbmrgb[i].g = b[1];
260 gbmrgb[i].r = b[2];
261 }
262 }
263 break;
264/*...e*/
265 }
266
267 return GBM_ERR_OK;
268 }
269/*...e*/
270/*...stga_rdata:0:*/
271GBM_ERR tga_rdata(int fd, GBM *gbm, byte *data)
272 {
273 TGA_PRIV *priv = (TGA_PRIV *) gbm->priv;
274 byte *p;
275 int i, stride;
276
277 gbm_file_lseek(fd, (long) (SIZEOF_TGA_HEADER + priv->header.n_chars_in_id), SEEK_SET);
278
279 if ( priv->header.color_map_present )
280 {
281 int color_map_length;
282 int bpp_pal = priv->header.color_map_entry_bits;
283 /* Valid values are 32, 24, 16 and sometimes 15 */
284
285 if ( bpp_pal == 15 ) bpp_pal = 16;
286
287 color_map_length = make_word(priv->header.color_map_length_low, priv->header.color_map_length_high);
288 gbm_file_lseek(fd, (long) ((color_map_length * bpp_pal) / 8L), SEEK_CUR);
289 }
290
291 stride = ((gbm->w*gbm->bpp + 31) / 32) * 4;
292 p = data;
293 if ( (priv->header.image_descriptor & IDB_ORIGIN) != 0 )
294 {
295 p += (gbm->h-1) * stride;
296 stride = -stride;
297 }
298
299 switch ( priv->header.image_type )
300 {
301/*...sTGA_RL_BW\44\ TGA_RL_CM\44\ TGA_RL_RGB:16:*/
302case TGA_RL_CM:
303case TGA_RL_BW:
304case TGA_RL_RGB:
305 {
306 AHEAD *ahead;
307 int x = 0, y = 0;
308 if ( (ahead = gbm_create_ahead(fd)) == NULL )
309 return GBM_ERR_MEM;
310 switch ( priv->header.bpp )
311 {
312/*...s8:32:*/
313case 8:
314 while ( y < gbm->h )
315 {
316 int i, cnt = gbm_read_ahead(ahead);
317 if ( cnt == -1 )
318 {
319 gbm_destroy_ahead(ahead);
320 return GBM_ERR_READ;
321 }
322 if ( cnt & 0x80 )
323 {
324 byte v = (byte) gbm_read_ahead(ahead);
325 for ( i = 0x80; i <= cnt; i++ )
326 {
327 data[x++] = v;
328 if ( x == gbm->w )
329 { x = 0; y++; data += stride; }
330 }
331 }
332 else
333 for ( i = 0; i <= cnt; i++ )
334 {
335 data[x++] = (byte) gbm_read_ahead(ahead);
336 if ( x == gbm->w )
337 { x = 0; y++; data += stride; }
338 }
339 }
340 break;
341/*...e*/
342/*...s16:32:*/
343/*
344We have 3 bytes per pixel in the data array, indexed by p.
345We will read 2 bytes per pixel into the right hand 2/3 of each line.
346Then we will expand leftwards to fill the full width afterwards.
347*/
348
349case 16:
350
351 p += gbm->w;
352
353 while ( y < gbm->h )
354 {
355 int i, cnt = gbm_read_ahead(ahead);
356 if ( cnt == -1 )
357 {
358 gbm_destroy_ahead(ahead);
359 return GBM_ERR_READ;
360 }
361 if ( cnt & 0x80 )
362 {
363 byte v1 = (byte) gbm_read_ahead(ahead);
364 byte v2 = (byte) gbm_read_ahead(ahead);
365 for ( i = 0x80; i <= cnt; i++ )
366 {
367 p[x++] = v1;
368 p[x++] = v2;
369 if ( x == gbm->w*2 )
370 { x = 0; y++; p += stride; }
371 }
372 }
373 else
374 for ( i = 0; i <= cnt; i++ )
375 {
376 p[x++] = (byte) gbm_read_ahead(ahead);
377 p[x++] = (byte) gbm_read_ahead(ahead);
378 if ( x == gbm->w*2 )
379 { x = 0; y++; p += stride; }
380 }
381 }
382
383 if ( stride < 0 )
384 stride = -stride;
385 for ( y = 0, p = data; y < gbm->h; y++, p += stride )
386 t16_t24(p, p+gbm->w, gbm->w);
387
388 break;
389/*...e*/
390/*...s24:32:*/
391case 24:
392 while ( y < gbm->h )
393 {
394 int i, cnt = gbm_read_ahead(ahead);
395 if ( cnt == -1 )
396 {
397 gbm_destroy_ahead(ahead);
398 return GBM_ERR_READ;
399 }
400 if ( cnt & 0x80 )
401 {
402 byte v1 = (byte) gbm_read_ahead(ahead);
403 byte v2 = (byte) gbm_read_ahead(ahead);
404 byte v3 = (byte) gbm_read_ahead(ahead);
405 for ( i = 0x80; i <= cnt; i++ )
406 {
407 p[x++] = v1;
408 p[x++] = v2;
409 p[x++] = v3;
410 if ( x == gbm->w*3 )
411 { x = 0; y++; p += stride; }
412 }
413 }
414 else
415 for ( i = 0; i <= cnt; i++ )
416 {
417 p[x++] = (byte) gbm_read_ahead(ahead);
418 p[x++] = (byte) gbm_read_ahead(ahead);
419 p[x++] = (byte) gbm_read_ahead(ahead);
420 if ( x == gbm->w*3 )
421 { x = 0; y++; p += stride; }
422 }
423 }
424 break;
425/*...e*/
426/*...s32:32:*/
427case 32:
428 while ( y < gbm->h )
429 {
430 int i, cnt = gbm_read_ahead(ahead);
431 if ( cnt == -1 )
432 {
433 gbm_destroy_ahead(ahead);
434 return GBM_ERR_READ;
435 }
436 if ( cnt & 0x80 )
437 {
438 byte v1 = (byte) gbm_read_ahead(ahead);
439 byte v2 = (byte) gbm_read_ahead(ahead);
440 byte v3 = (byte) gbm_read_ahead(ahead);
441 gbm_read_ahead(ahead); /* Discard alpha channel */
442 for ( i = 0x80; i <= cnt; i++ )
443 {
444 p[x++] = v1;
445 p[x++] = v2;
446 p[x++] = v3;
447 if ( x == gbm->w*3 )
448 { x = 0; y++; p += stride; }
449 }
450 }
451 else
452 for ( i = 0; i <= cnt; i++ )
453 {
454 p[x++] = (byte) gbm_read_ahead(ahead);
455 p[x++] = (byte) gbm_read_ahead(ahead);
456 p[x++] = (byte) gbm_read_ahead(ahead);
457 gbm_read_ahead(ahead); /* Discard alpha channel */
458 if ( x == gbm->w*3 )
459 { x = 0; y++; p += stride; }
460 }
461 }
462 break;
463/*...e*/
464 }
465 gbm_destroy_ahead(ahead);
466 }
467 break;
468/*...e*/
469/*...sTGA_UNCOMP_BW\44\ TGA_UNCOMP_CM\44\ TGA_UNCOMP_RGB:16:*/
470case TGA_UNCOMP_BW:
471case TGA_UNCOMP_CM:
472case TGA_UNCOMP_RGB:
473 switch ( priv->header.bpp )
474 {
475/*...s8:32:*/
476case 8:
477 for ( i = 0; i < gbm->h; i++, p += stride )
478 if ( gbm_file_read(fd, p, gbm->w) != gbm->w )
479 return GBM_ERR_READ;
480 break;
481/*...e*/
482/*...s16:32:*/
483case 16:
484 for ( i = 0; i < gbm->h; i++, p += stride )
485 {
486 if ( gbm_file_read(fd, p+gbm->w, gbm->w * 2) != gbm->w * 2 )
487 return GBM_ERR_READ;
488 t16_t24(p, p+gbm->w, gbm->w);
489 }
490 break;
491/*...e*/
492/*...s24:32:*/
493case 24:
494 for ( i = 0; i < gbm->h; i++, p += stride )
495 if ( gbm_file_read(fd, p, gbm->w * 3) != gbm->w * 3 )
496 return GBM_ERR_READ;
497 break;
498/*...e*/
499/*...s32:32:*/
500case 32:
501 {
502 byte *linebuf;
503 if ( (linebuf = malloc((size_t) (gbm->w * 4))) == NULL )
504 return GBM_ERR_MEM;
505
506 for ( i = 0; i < gbm->h; i++, p += stride )
507 {
508 if ( gbm_file_read(fd, linebuf, gbm->w * 4) != gbm->w * 4 )
509 {
510 free(linebuf);
511 return GBM_ERR_READ;
512 }
513 t32_t24(p, linebuf, gbm->w);
514 }
515
516 free(linebuf);
517 }
518 break;
519/*...e*/
520 }
521 break;
522/*...e*/
523 }
524
525 return GBM_ERR_OK;
526 }
527/*...e*/
528/*...stga_w:0:*/
529#define SW3(a,b,c) ((a)*4+(b)*2+(c))
530
531GBM_ERR tga_w(const char *fn, int fd, const GBM *gbm, const GBMRGB *gbmrgb, const byte *data, const char *opt)
532 {
533 TGA_HEADER tga_header;
534 int i, stride, obpp;
535 const byte *p;
536 BOOLEAN o16 = ( gbm_find_word(opt, "16" ) != NULL );
537 BOOLEAN o24 = ( gbm_find_word(opt, "24" ) != NULL );
538 BOOLEAN o32 = ( gbm_find_word(opt, "32" ) != NULL );
539 BOOLEAN yup = ( gbm_find_word(opt, "yup" ) != NULL );
540 BOOLEAN ydown = ( gbm_find_word(opt, "ydown") != NULL );
541
542 fn=fn; /* Suppress 'unref arg' compiler warning */
543
544 if ( gbm->bpp == 24 )
545 switch ( SW3(o16,o24,o32) )
546 {
547 case SW3(1,0,0): obpp = 16; break;
548 case SW3(0,0,0):
549 case SW3(0,1,0): obpp = 24; break;
550 case SW3(0,0,1): obpp = 32; break;
551 default: return GBM_ERR_BAD_OPTION;
552 }
553 else
554 {
555 if ( o16 || o24 || o32 )
556 return GBM_ERR_BAD_OPTION;
557 obpp = 8;
558 }
559
560 if ( yup && ydown )
561 return GBM_ERR_BAD_OPTION;
562
563 tga_header.n_chars_in_id = 0;
564 tga_header.image_type = ( obpp == 8 ) ? TGA_UNCOMP_CM : TGA_UNCOMP_RGB;
565 tga_header.x_origin_low = low_byte(0);
566 tga_header.x_origin_high = high_byte(0);
567 tga_header.y_origin_low = low_byte(0);
568 tga_header.y_origin_high = high_byte(0);
569 tga_header.color_map_start_low = low_byte(0);
570 tga_header.color_map_start_high = high_byte(0);
571 if ( gbm->bpp == 8 )
572 {
573 tga_header.color_map_present = (byte) 1;
574 tga_header.color_map_length_low = low_byte(0x100);
575 tga_header.color_map_length_high = high_byte(0x100);
576 tga_header.color_map_entry_bits = 24;
577 }
578 else
579 {
580 tga_header.color_map_present = (byte) 0;
581 tga_header.color_map_length_low = low_byte(0);
582 tga_header.color_map_length_high = high_byte(0);
583 tga_header.color_map_entry_bits = 0;
584 }
585 tga_header.width_low = low_byte(gbm->w);
586 tga_header.width_high = high_byte(gbm->w);
587 tga_header.height_low = low_byte(gbm->h);
588 tga_header.height_high = high_byte(gbm->h);
589 tga_header.bpp = (byte) obpp;
590 tga_header.image_descriptor = IDB_NON_INT;
591
592 if ( ydown )
593 tga_header.image_descriptor |= IDB_ORIGIN;
594
595 gbm_file_write(fd, (char *) &tga_header, SIZEOF_TGA_HEADER);
596
597 switch ( obpp )
598 {
599/*...s8:16:*/
600case 8:
601 for ( i = 0; i < 0x100; i++ )
602 {
603 byte b[3];
604
605 b[0] = gbmrgb[i].b;
606 b[1] = gbmrgb[i].g;
607 b[2] = gbmrgb[i].r;
608 gbm_file_write(fd, b, 3);
609 }
610
611 stride = ((gbm->w + 3) & ~3);
612 p = data;
613
614 if ( ydown )
615 {
616 p += ((gbm->h - 1) * stride);
617 stride = -stride;
618 }
619
620 for ( i = 0; i < gbm->h; i++ )
621 {
622 gbm_file_write(fd, p, gbm->w);
623 p += stride;
624 }
625 break;
626/*...e*/
627/*...s16:16:*/
628case 16:
629 {
630 byte *linebuf;
631
632 if ( (linebuf = malloc((size_t) (gbm->w * 2))) == NULL )
633 return GBM_ERR_MEM;
634
635 stride = ((gbm->w * 3 + 3) & ~3);
636 p = data;
637
638 if ( ydown )
639 {
640 p += ((gbm->h - 1) * stride);
641 stride = -stride;
642 }
643
644 for ( i = 0; i < gbm->h; i++ )
645 {
646 t24_t16(linebuf, p, gbm->w);
647 gbm_file_write(fd, linebuf, gbm->w * 2);
648 p += stride;
649 }
650
651 free(linebuf);
652 }
653 break;
654/*...e*/
655/*...s24:16:*/
656case 24:
657 stride = ((gbm->w * 3 + 3) & ~3);
658 p = data;
659
660 if ( ydown )
661 {
662 p += ((gbm->h - 1) * stride);
663 stride = -stride;
664 }
665
666 for ( i = 0; i < gbm->h; i++ )
667 {
668 gbm_file_write(fd, p, gbm->w * 3);
669 p += stride;
670 }
671 break;
672/*...e*/
673/*...s32:16:*/
674case 32:
675 {
676 byte *linebuf;
677
678 if ( (linebuf = malloc((size_t) (gbm->w * 4))) == NULL )
679 return GBM_ERR_MEM;
680
681 stride = ((gbm->w * 3 + 3) & ~3);
682 p = data;
683
684 if ( ydown )
685 {
686 p += ((gbm->h - 1) * stride);
687 stride = -stride;
688 }
689
690 for ( i = 0; i < gbm->h; i++ )
691 {
692 t24_t32(linebuf, p, gbm->w);
693 gbm_file_write(fd, linebuf, gbm->w * 4);
694 p += stride;
695 }
696
697 free(linebuf);
698 }
699 break;
700/*...e*/
701 }
702
703 return GBM_ERR_OK;
704 }
705/*...e*/
706/*...stga_err:0:*/
707const char *tga_err(GBM_ERR rc)
708 {
709 switch ( (int) rc )
710 {
711 case GBM_ERR_TGA_BAD_BPP:
712 return "bits per pixel not 8, 16, 24 or 32";
713 case GBM_ERR_TGA_BAD_TYPE:
714 return "unsupported compression type for bits per pixel";
715 case GBM_ERR_TGA_BAD_PAL:
716 return "color map entry size not 24 bits per pixel";
717 }
718 return NULL;
719 }
720/*...e*/
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