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comparison tools/libgfx.c @ 2457:16426e9dc238

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author Matti Hamalainen <ccr@tnsp.org>
date Wed, 15 Apr 2020 15:10:18 +0300
parents 69a5af2eb1ea
children a11ef670bd99
comparison
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2456:f5f8001490ae 2457:16426e9dc238
344 int dmReadACTPalette(DMResource *fp, DMPalette **pdst) 344 int dmReadACTPalette(DMResource *fp, DMPalette **pdst)
345 { 345 {
346 int res; 346 int res;
347 Uint16 tmp1, tmp2; 347 Uint16 tmp1, tmp2;
348 348
349 // Allocate a palette with 256 entries
349 if ((res = dmPaletteAlloc(pdst, 256, -1)) != DMERR_OK) 350 if ((res = dmPaletteAlloc(pdst, 256, -1)) != DMERR_OK)
350 return res; 351 return res;
351 352
353 // Read data for 256 entries
352 if ((res = dmPaletteReadData(fp, *pdst, 256)) != DMERR_OK) 354 if ((res = dmPaletteReadData(fp, *pdst, 256)) != DMERR_OK)
353 goto error; 355 goto error;
354 356
357 // Read the footer
355 if (!dmf_read_be16(fp, &tmp1) || 358 if (!dmf_read_be16(fp, &tmp1) ||
356 !dmf_read_be16(fp, &tmp2)) 359 !dmf_read_be16(fp, &tmp2))
357 { 360 {
358 res = DMERR_FREAD; 361 res = DMERR_FREAD;
359 goto error; 362 goto error;
360 } 363 }
361 364
365 // Check for validity
362 if (tmp1 == 0 || tmp1 > 256) 366 if (tmp1 == 0 || tmp1 > 256)
363 { 367 {
364 res = DMERR_INVALID_DATA; 368 res = DMERR_INVALID_DATA;
365 goto error; 369 goto error;
366 } 370 }
367 371
372 // Resize the palette
368 if ((res = dmPaletteResize(pdst, tmp1)) != DMERR_OK) 373 if ((res = dmPaletteResize(pdst, tmp1)) != DMERR_OK)
369 goto error; 374 goto error;
370 375
371 (*pdst)->ctransp = tmp2 < 256 ? tmp2 : -1; 376 (*pdst)->ctransp = tmp2 < 256 ? tmp2 : -1;
372 377