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Commit | Line | Data |
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fe8c2806 WD |
1 | /* |
2 | ** Easylogo TGA->header converter | |
3 | ** ============================== | |
4 | ** (C) 2000 by Paolo Scaffardi (arsenio@tin.it) | |
5 | ** AIRVENT SAM s.p.a - RIMINI(ITALY) | |
24113a44 | 6 | ** (C) 2007-2008 Mike Frysinger <vapier@gentoo.org> |
fe8c2806 WD |
7 | ** |
8 | ** This is still under construction! | |
9 | */ | |
10 | ||
24113a44 | 11 | #include <errno.h> |
edfed1d9 MF |
12 | #include <getopt.h> |
13 | #include <stdbool.h> | |
fe8c2806 | 14 | #include <stdio.h> |
38d299c2 MF |
15 | #include <stdlib.h> |
16 | #include <string.h> | |
24113a44 MF |
17 | #include <unistd.h> |
18 | #include <sys/stat.h> | |
fe8c2806 WD |
19 | |
20 | #pragma pack(1) | |
21 | ||
22 | /*#define ENABLE_ASCII_BANNERS */ | |
23 | ||
24 | typedef struct { | |
6007f325 WD |
25 | unsigned char id; |
26 | unsigned char ColorMapType; | |
27 | unsigned char ImageTypeCode; | |
28 | unsigned short ColorMapOrigin; | |
29 | unsigned short ColorMapLenght; | |
30 | unsigned char ColorMapEntrySize; | |
31 | unsigned short ImageXOrigin; | |
32 | unsigned short ImageYOrigin; | |
33 | unsigned short ImageWidth; | |
34 | unsigned short ImageHeight; | |
35 | unsigned char ImagePixelSize; | |
36 | unsigned char ImageDescriptorByte; | |
fe8c2806 WD |
37 | } tga_header_t; |
38 | ||
39 | typedef struct { | |
6007f325 WD |
40 | unsigned char r, g, b; |
41 | } rgb_t; | |
fe8c2806 WD |
42 | |
43 | typedef struct { | |
6007f325 WD |
44 | unsigned char b, g, r; |
45 | } bgr_t; | |
fe8c2806 WD |
46 | |
47 | typedef struct { | |
6007f325 WD |
48 | unsigned char Cb, y1, Cr, y2; |
49 | } yuyv_t; | |
fe8c2806 WD |
50 | |
51 | typedef struct { | |
6007f325 WD |
52 | void *data, *palette; |
53 | int width, height, pixels, bpp, pixel_size, size, palette_size, yuyv; | |
54 | } image_t; | |
fe8c2806 | 55 | |
24113a44 MF |
56 | void *xmalloc (size_t size) |
57 | { | |
58 | void *ret = malloc (size); | |
59 | if (!ret) { | |
60 | fprintf (stderr, "\nerror: malloc(%zu) failed: %s", | |
61 | size, strerror(errno)); | |
62 | exit (1); | |
63 | } | |
64 | return ret; | |
65 | } | |
66 | ||
fe8c2806 WD |
67 | void StringUpperCase (char *str) |
68 | { | |
6007f325 WD |
69 | int count = strlen (str); |
70 | char c; | |
71 | ||
72 | while (count--) { | |
73 | c = *str; | |
74 | if ((c >= 'a') && (c <= 'z')) | |
75 | *str = 'A' + (c - 'a'); | |
76 | str++; | |
77 | } | |
fe8c2806 WD |
78 | } |
79 | ||
80 | void StringLowerCase (char *str) | |
81 | { | |
6007f325 WD |
82 | int count = strlen (str); |
83 | char c; | |
84 | ||
85 | while (count--) { | |
86 | c = *str; | |
87 | if ((c >= 'A') && (c <= 'Z')) | |
88 | *str = 'a' + (c - 'A'); | |
89 | str++; | |
90 | } | |
fe8c2806 | 91 | } |
6007f325 | 92 | void pixel_rgb_to_yuyv (rgb_t * rgb_pixel, yuyv_t * yuyv_pixel) |
fe8c2806 | 93 | { |
6007f325 | 94 | unsigned int pR, pG, pB; |
fe8c2806 | 95 | |
6007f325 WD |
96 | /* Transform (0-255) components to (0-100) */ |
97 | pR = rgb_pixel->r * 100 / 255; | |
98 | pG = rgb_pixel->g * 100 / 255; | |
99 | pB = rgb_pixel->b * 100 / 255; | |
fe8c2806 | 100 | |
6007f325 WD |
101 | /* Calculate YUV values (0-255) from RGB beetween 0-100 */ |
102 | yuyv_pixel->y1 = yuyv_pixel->y2 = 209 * (pR + pG + pB) / 300 + 16; | |
103 | yuyv_pixel->Cb = pB - (pR / 4) - (pG * 3 / 4) + 128; | |
104 | yuyv_pixel->Cr = pR - (pG * 3 / 4) - (pB / 4) + 128; | |
fe8c2806 | 105 | |
6007f325 | 106 | return; |
fe8c2806 WD |
107 | } |
108 | ||
6007f325 | 109 | void printlogo_rgb (rgb_t * data, int w, int h) |
fe8c2806 | 110 | { |
6007f325 WD |
111 | int x, y; |
112 | ||
113 | for (y = 0; y < h; y++) { | |
114 | for (x = 0; x < w; x++, data++) | |
115 | if ((data->r < | |
116 | 30) /*&&(data->g == 0)&&(data->b == 0) */ ) | |
117 | printf (" "); | |
118 | else | |
119 | printf ("X"); | |
120 | printf ("\n"); | |
121 | } | |
fe8c2806 WD |
122 | } |
123 | ||
124 | void printlogo_yuyv (unsigned short *data, int w, int h) | |
125 | { | |
6007f325 WD |
126 | int x, y; |
127 | ||
128 | for (y = 0; y < h; y++) { | |
129 | for (x = 0; x < w; x++, data++) | |
130 | if (*data == 0x1080) /* Because of inverted on i386! */ | |
131 | printf (" "); | |
132 | else | |
133 | printf ("X"); | |
134 | printf ("\n"); | |
135 | } | |
fe8c2806 WD |
136 | } |
137 | ||
fc6414ec MF |
138 | static inline unsigned short le16_to_cpu (unsigned short val) |
139 | { | |
6007f325 WD |
140 | union { |
141 | unsigned char pval[2]; | |
142 | unsigned short val; | |
143 | } swapped; | |
144 | ||
145 | swapped.val = val; | |
146 | return (swapped.pval[1] << 8) + swapped.pval[0]; | |
fc6414ec MF |
147 | } |
148 | ||
6007f325 | 149 | int image_load_tga (image_t * image, char *filename) |
fe8c2806 | 150 | { |
6007f325 WD |
151 | FILE *file; |
152 | tga_header_t header; | |
153 | int i; | |
154 | unsigned char app; | |
155 | rgb_t *p; | |
156 | ||
157 | if ((file = fopen (filename, "rb")) == NULL) | |
158 | return -1; | |
159 | ||
160 | fread (&header, sizeof (header), 1, file); | |
161 | ||
162 | /* byte swap: tga is little endian, host is ??? */ | |
163 | header.ColorMapOrigin = le16_to_cpu (header.ColorMapOrigin); | |
164 | header.ColorMapLenght = le16_to_cpu (header.ColorMapLenght); | |
165 | header.ImageXOrigin = le16_to_cpu (header.ImageXOrigin); | |
166 | header.ImageYOrigin = le16_to_cpu (header.ImageYOrigin); | |
167 | header.ImageWidth = le16_to_cpu (header.ImageWidth); | |
168 | header.ImageHeight = le16_to_cpu (header.ImageHeight); | |
169 | ||
170 | image->width = header.ImageWidth; | |
171 | image->height = header.ImageHeight; | |
172 | ||
173 | switch (header.ImageTypeCode) { | |
174 | case 2: /* Uncompressed RGB */ | |
175 | image->yuyv = 0; | |
176 | image->palette_size = 0; | |
177 | image->palette = NULL; | |
178 | break; | |
fe8c2806 WD |
179 | |
180 | default: | |
6007f325 WD |
181 | printf ("Format not supported!\n"); |
182 | return -1; | |
183 | } | |
fe8c2806 | 184 | |
6007f325 WD |
185 | image->bpp = header.ImagePixelSize; |
186 | image->pixel_size = ((image->bpp - 1) / 8) + 1; | |
187 | image->pixels = image->width * image->height; | |
188 | image->size = image->pixels * image->pixel_size; | |
24113a44 | 189 | image->data = xmalloc (image->size); |
fe8c2806 | 190 | |
6007f325 WD |
191 | if (image->bpp != 24) { |
192 | printf ("Bpp not supported: %d!\n", image->bpp); | |
193 | return -1; | |
194 | } | |
fe8c2806 | 195 | |
6007f325 | 196 | fread (image->data, image->size, 1, file); |
fe8c2806 WD |
197 | |
198 | /* Swapping R and B values */ | |
199 | ||
6007f325 WD |
200 | p = image->data; |
201 | for (i = 0; i < image->pixels; i++, p++) { | |
202 | app = p->r; | |
203 | p->r = p->b; | |
204 | p->b = app; | |
205 | } | |
fe8c2806 WD |
206 | |
207 | /* Swapping image */ | |
208 | ||
6007f325 | 209 | if (!(header.ImageDescriptorByte & 0x20)) { |
24113a44 | 210 | unsigned char *temp = xmalloc (image->size); |
6007f325 WD |
211 | int linesize = image->pixel_size * image->width; |
212 | void *dest = image->data, | |
213 | *source = temp + image->size - linesize; | |
fe8c2806 | 214 | |
6007f325 WD |
215 | printf ("S"); |
216 | if (temp == NULL) { | |
217 | printf ("Cannot alloc temp buffer!\n"); | |
218 | return -1; | |
219 | } | |
fe8c2806 | 220 | |
6007f325 WD |
221 | memcpy (temp, image->data, image->size); |
222 | for (i = 0; i < image->height; | |
223 | i++, dest += linesize, source -= linesize) | |
224 | memcpy (dest, source, linesize); | |
fe8c2806 | 225 | |
6007f325 WD |
226 | free (temp); |
227 | } | |
fe8c2806 | 228 | #ifdef ENABLE_ASCII_BANNERS |
6007f325 | 229 | printlogo_rgb (image->data, image->width, image->height); |
fe8c2806 WD |
230 | #endif |
231 | ||
6007f325 WD |
232 | fclose (file); |
233 | return 0; | |
fe8c2806 WD |
234 | } |
235 | ||
edfed1d9 | 236 | void image_free (image_t * image) |
fe8c2806 | 237 | { |
edfed1d9 MF |
238 | free (image->data); |
239 | free (image->palette); | |
fe8c2806 WD |
240 | } |
241 | ||
6007f325 | 242 | int image_rgb_to_yuyv (image_t * rgb_image, image_t * yuyv_image) |
fe8c2806 | 243 | { |
6007f325 WD |
244 | rgb_t *rgb_ptr = (rgb_t *) rgb_image->data; |
245 | yuyv_t yuyv; | |
246 | unsigned short *dest; | |
247 | int count = 0; | |
248 | ||
249 | yuyv_image->pixel_size = 2; | |
250 | yuyv_image->bpp = 16; | |
251 | yuyv_image->yuyv = 1; | |
252 | yuyv_image->width = rgb_image->width; | |
253 | yuyv_image->height = rgb_image->height; | |
254 | yuyv_image->pixels = yuyv_image->width * yuyv_image->height; | |
255 | yuyv_image->size = yuyv_image->pixels * yuyv_image->pixel_size; | |
256 | dest = (unsigned short *) (yuyv_image->data = | |
24113a44 | 257 | xmalloc (yuyv_image->size)); |
6007f325 WD |
258 | yuyv_image->palette = 0; |
259 | yuyv_image->palette_size = 0; | |
260 | ||
261 | while ((count++) < rgb_image->pixels) { | |
fe8c2806 WD |
262 | pixel_rgb_to_yuyv (rgb_ptr++, &yuyv); |
263 | ||
6007f325 WD |
264 | if ((count & 1) == 0) /* Was == 0 */ |
265 | memcpy (dest, ((void *) &yuyv) + 2, sizeof (short)); | |
fe8c2806 | 266 | else |
6007f325 | 267 | memcpy (dest, (void *) &yuyv, sizeof (short)); |
fe8c2806 | 268 | |
6007f325 | 269 | dest++; |
fe8c2806 WD |
270 | } |
271 | ||
272 | #ifdef ENABLE_ASCII_BANNERS | |
6007f325 WD |
273 | printlogo_yuyv (yuyv_image->data, yuyv_image->width, |
274 | yuyv_image->height); | |
fe8c2806 | 275 | #endif |
6007f325 | 276 | return 0; |
fe8c2806 WD |
277 | } |
278 | ||
24113a44 MF |
279 | int use_gzip = 0; |
280 | ||
6007f325 | 281 | int image_save_header (image_t * image, char *filename, char *varname) |
fe8c2806 | 282 | { |
6007f325 WD |
283 | FILE *file = fopen (filename, "w"); |
284 | char app[256], str[256] = "", def_name[64]; | |
285 | int count = image->size, col = 0; | |
286 | unsigned char *dataptr = image->data; | |
287 | ||
288 | if (file == NULL) | |
289 | return -1; | |
290 | ||
291 | /* Author information */ | |
292 | fprintf (file, | |
293 | "/*\n * Generated by EasyLogo, (C) 2000 by Paolo Scaffardi\n *\n"); | |
294 | fprintf (file, | |
295 | " * To use this, include it and call: easylogo_plot(screen,&%s, width,x,y)\n *\n", | |
296 | varname); | |
297 | fprintf (file, | |
298 | " * Where:\t'screen'\tis the pointer to the frame buffer\n"); | |
299 | fprintf (file, " *\t\t'width'\tis the screen width\n"); | |
300 | fprintf (file, " *\t\t'x'\t\tis the horizontal position\n"); | |
301 | fprintf (file, " *\t\t'y'\t\tis the vertical position\n */\n\n"); | |
302 | ||
24113a44 MF |
303 | /* gzip compress */ |
304 | if (use_gzip & 0x1) { | |
305 | const char *errstr = NULL; | |
306 | unsigned char *compressed; | |
307 | struct stat st; | |
308 | FILE *gz; | |
309 | char *gzfilename = xmalloc(strlen (filename) + 20); | |
310 | char *gzcmd = xmalloc(strlen (filename) + 20); | |
311 | ||
312 | sprintf (gzfilename, "%s.gz", filename); | |
313 | sprintf (gzcmd, "gzip > %s", gzfilename); | |
314 | gz = popen (gzcmd, "w"); | |
315 | if (!gz) { | |
316 | errstr = "\nerror: popen() failed"; | |
317 | goto done; | |
318 | } | |
319 | if (fwrite (image->data, image->size, 1, gz) != 1) { | |
320 | errstr = "\nerror: writing data to gzip failed"; | |
321 | goto done; | |
322 | } | |
323 | if (pclose (gz)) { | |
324 | errstr = "\nerror: gzip process failed"; | |
325 | goto done; | |
326 | } | |
327 | ||
328 | gz = fopen (gzfilename, "r"); | |
329 | if (!gz) { | |
330 | errstr = "\nerror: open() on gzip data failed"; | |
331 | goto done; | |
332 | } | |
333 | if (stat (gzfilename, &st)) { | |
334 | errstr = "\nerror: stat() on gzip file failed"; | |
335 | goto done; | |
336 | } | |
337 | compressed = xmalloc (st.st_size); | |
338 | if (fread (compressed, st.st_size, 1, gz) != 1) { | |
339 | errstr = "\nerror: reading gzip data failed"; | |
340 | goto done; | |
341 | } | |
342 | fclose (gz); | |
343 | ||
344 | unlink (gzfilename); | |
345 | ||
346 | dataptr = compressed; | |
347 | count = st.st_size; | |
348 | fprintf (file, "#define EASYLOGO_ENABLE_GZIP %i\n\n", count); | |
349 | if (use_gzip & 0x2) | |
350 | fprintf (file, "static unsigned char EASYLOGO_DECOMP_BUFFER[%i];\n\n", image->size); | |
351 | ||
352 | done: | |
353 | free (gzfilename); | |
354 | free (gzcmd); | |
355 | ||
356 | if (errstr) { | |
357 | perror (errstr); | |
358 | return -1; | |
359 | } | |
360 | } | |
361 | ||
6007f325 WD |
362 | /* Headers */ |
363 | fprintf (file, "#include <video_easylogo.h>\n\n"); | |
364 | /* Macros */ | |
365 | strcpy (def_name, varname); | |
fe8c2806 | 366 | StringUpperCase (def_name); |
6007f325 WD |
367 | fprintf (file, "#define DEF_%s_WIDTH\t\t%d\n", def_name, |
368 | image->width); | |
369 | fprintf (file, "#define DEF_%s_HEIGHT\t\t%d\n", def_name, | |
370 | image->height); | |
371 | fprintf (file, "#define DEF_%s_PIXELS\t\t%d\n", def_name, | |
372 | image->pixels); | |
373 | fprintf (file, "#define DEF_%s_BPP\t\t%d\n", def_name, image->bpp); | |
374 | fprintf (file, "#define DEF_%s_PIXEL_SIZE\t%d\n", def_name, | |
375 | image->pixel_size); | |
376 | fprintf (file, "#define DEF_%s_SIZE\t\t%d\n\n", def_name, | |
377 | image->size); | |
378 | /* Declaration */ | |
24113a44 MF |
379 | fprintf (file, "unsigned char DEF_%s_DATA[] = {\n", |
380 | def_name); | |
6007f325 WD |
381 | |
382 | /* Data */ | |
383 | while (count) | |
384 | switch (col) { | |
385 | case 0: | |
386 | sprintf (str, " 0x%02x", *dataptr++); | |
387 | col++; | |
388 | count--; | |
389 | break; | |
390 | ||
391 | case 16: | |
392 | fprintf (file, "%s", str); | |
393 | if (count > 0) | |
394 | fprintf (file, ","); | |
395 | fprintf (file, "\n"); | |
396 | ||
397 | col = 0; | |
398 | break; | |
399 | ||
400 | default: | |
401 | strcpy (app, str); | |
402 | sprintf (str, "%s, 0x%02x", app, *dataptr++); | |
403 | col++; | |
404 | count--; | |
405 | break; | |
fe8c2806 WD |
406 | } |
407 | ||
408 | if (col) | |
6007f325 WD |
409 | fprintf (file, "%s\n", str); |
410 | ||
53677ef1 | 411 | /* End of declaration */ |
6007f325 WD |
412 | fprintf (file, "};\n\n"); |
413 | /* Variable */ | |
414 | fprintf (file, "fastimage_t %s = {\n", varname); | |
415 | fprintf (file, " DEF_%s_DATA,\n", def_name); | |
416 | fprintf (file, " DEF_%s_WIDTH,\n", def_name); | |
417 | fprintf (file, " DEF_%s_HEIGHT,\n", def_name); | |
418 | fprintf (file, " DEF_%s_BPP,\n", def_name); | |
419 | fprintf (file, " DEF_%s_PIXEL_SIZE,\n", def_name); | |
420 | fprintf (file, " DEF_%s_SIZE\n};\n", def_name); | |
fe8c2806 WD |
421 | |
422 | fclose (file); | |
423 | ||
6007f325 | 424 | return 0; |
fe8c2806 WD |
425 | } |
426 | ||
427 | #define DEF_FILELEN 256 | |
428 | ||
edfed1d9 MF |
429 | static void usage (int exit_status) |
430 | { | |
431 | puts ( | |
432 | "EasyLogo 1.0 (C) 2000 by Paolo Scaffardi\n" | |
433 | "\n" | |
434 | "Syntax: easylogo [options] inputfile [outputvar [outputfile]]\n" | |
435 | "\n" | |
436 | "Options:\n" | |
437 | " -r Output RGB instead of YUYV\n" | |
24113a44 MF |
438 | " -g Compress with gzip\n" |
439 | " -b Preallocate space in bss for decompressing image\n" | |
edfed1d9 MF |
440 | " -h Help output\n" |
441 | "\n" | |
442 | "Where: 'inputfile' is the TGA image to load\n" | |
443 | " 'outputvar' is the variable name to create\n" | |
444 | " 'outputfile' is the output header file (default is 'inputfile.h')" | |
445 | ); | |
446 | exit (exit_status); | |
447 | } | |
448 | ||
fe8c2806 WD |
449 | int main (int argc, char *argv[]) |
450 | { | |
edfed1d9 MF |
451 | int c; |
452 | bool use_rgb = false; | |
6007f325 WD |
453 | char inputfile[DEF_FILELEN], |
454 | outputfile[DEF_FILELEN], varname[DEF_FILELEN]; | |
455 | ||
456 | image_t rgb_logo, yuyv_logo; | |
457 | ||
24113a44 | 458 | while ((c = getopt(argc, argv, "hrgb")) > 0) { |
edfed1d9 MF |
459 | switch (c) { |
460 | case 'h': | |
461 | usage (0); | |
462 | break; | |
463 | case 'r': | |
464 | use_rgb = true; | |
465 | puts ("Using 24-bit RGB Output Fromat"); | |
466 | break; | |
24113a44 MF |
467 | case 'g': |
468 | use_gzip |= 0x1; | |
469 | puts ("Compressing with gzip"); | |
470 | break; | |
471 | case 'b': | |
472 | use_gzip |= 0x2; | |
473 | puts ("Preallocating bss space for decompressing image"); | |
474 | break; | |
edfed1d9 MF |
475 | default: |
476 | usage (1); | |
477 | break; | |
6007f325 | 478 | } |
edfed1d9 | 479 | } |
fe8c2806 | 480 | |
edfed1d9 MF |
481 | c = argc - optind; |
482 | if (c > 4 || c < 1) | |
483 | usage (1); | |
484 | ||
485 | strcpy (inputfile, argv[optind]); | |
486 | ||
487 | if (c > 1) | |
488 | strcpy (varname, argv[optind + 1]); | |
489 | else { | |
490 | /* transform "input.tga" to just "input" */ | |
491 | char *dot; | |
492 | strcpy (varname, inputfile); | |
493 | dot = strchr (varname, '.'); | |
494 | if (dot) | |
495 | *dot = '\0'; | |
496 | } | |
fe8c2806 | 497 | |
edfed1d9 MF |
498 | if (c > 2) |
499 | strcpy (outputfile, argv[optind + 2]); | |
500 | else { | |
501 | /* just append ".h" to input file name */ | |
502 | strcpy (outputfile, inputfile); | |
503 | strcat (outputfile, ".h"); | |
6007f325 | 504 | } |
fe8c2806 | 505 | |
edfed1d9 MF |
506 | /* Make sure the output is sent as soon as we printf() */ |
507 | setbuf(stdout, NULL); | |
508 | ||
6007f325 WD |
509 | printf ("Doing '%s' (%s) from '%s'...", |
510 | outputfile, varname, inputfile); | |
fe8c2806 | 511 | |
6007f325 | 512 | /* Import TGA logo */ |
fe8c2806 | 513 | |
6007f325 WD |
514 | printf ("L"); |
515 | if (image_load_tga (&rgb_logo, inputfile) < 0) { | |
516 | printf ("input file not found!\n"); | |
517 | exit (1); | |
518 | } | |
fe8c2806 | 519 | |
edfed1d9 | 520 | /* Convert it to YUYV format if wanted */ |
fe8c2806 | 521 | |
edfed1d9 MF |
522 | if (!use_rgb) { |
523 | printf ("C"); | |
524 | image_rgb_to_yuyv (&rgb_logo, &yuyv_logo); | |
525 | } | |
fe8c2806 | 526 | |
6007f325 | 527 | /* Save it into a header format */ |
fe8c2806 | 528 | |
6007f325 | 529 | printf ("S"); |
edfed1d9 | 530 | image_save_header (use_rgb ? &rgb_logo : &yuyv_logo, outputfile, varname); |
fe8c2806 | 531 | |
6007f325 | 532 | /* Free original image and copy */ |
fe8c2806 | 533 | |
6007f325 | 534 | image_free (&rgb_logo); |
edfed1d9 MF |
535 | if (!use_rgb) |
536 | image_free (&yuyv_logo); | |
fe8c2806 | 537 | |
6007f325 | 538 | printf ("\n"); |
fe8c2806 | 539 | |
6007f325 | 540 | return 0; |
fe8c2806 | 541 | } |