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comparison tools/lib64fmts.c @ 2580:317d2f4b322c

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Reorder some format specific probe functions etc.
author Matti Hamalainen <ccr@tnsp.org>
date Sun, 20 Mar 2022 14:50:13 +0200
parents 21d296803fac
children 60ffbddedd07
comparison
equal deleted inserted replaced
2579:e716a2f18da0 2580:317d2f4b322c
1372 return fmtDecode6502SpeedCode( 1372 return fmtDecode6502SpeedCode(
1373 dmGrowBufConstCopyOffsSize(&tmp, buf, 0, 0x17b2), img, 0); 1373 dmGrowBufConstCopyOffsSize(&tmp, buf, 0, 0x17b2), img, 0);
1374 } 1374 }
1375 1375
1376 1376
1377 #define XX2_MIN_SIZE 4000
1378 #define XX2_WIDTH_CH 40
1379 #define XX2_HEIGHT_CH 10
1380 #define XX2_SIZE (XX2_WIDTH_CH * XX2_HEIGHT_CH)
1381 #define XX2_BSIZE (XX2_SIZE * 8)
1382
1383
1384 static int fmtProbeFormatXX2(const DMGrowBuf *buf, const DMC64ImageFormat *fmt)
1385 {
1386 if (buf->len >= XX2_MIN_SIZE &&
1387 buf->len <= XX2_MIN_SIZE + 8 &&
1388 dmCompareAddr16(buf, 0, fmt->addr))
1389 return DM_PROBE_SCORE_MAYBE;
1390
1391 return DM_PROBE_SCORE_FALSE;
1392 }
1393
1394
1395 static int fmtDecodeFormatXX2(DMC64Image *img, const DMGrowBuf *buf, const DMC64ImageFormat *fmt)
1396 {
1397 int res;
1398 DMGrowBuf tmp;
1399
1400 // If there is only data for less than XX2_MIN_SIZE bytes,
1401 // allocate a buffer of that size and copy data there.
1402 // Otherwise allocate len bytes.
1403 if (dmGrowBufCopy(&tmp, buf, buf->len < XX2_MIN_SIZE ? XX2_MIN_SIZE - buf->len : 0) == NULL)
1404 return DMERR_MALLOC;
1405
1406 tmp.len = tmp.size;
1407 res = dmC64DecodeGenericBMP(img, &tmp, fmt);
1408 dmGrowBufFree(&tmp);
1409 return res;
1410 }
1411
1412
1377 static const Uint8 fmtFormatXX3_MagicID_1[] = 1413 static const Uint8 fmtFormatXX3_MagicID_1[] =
1378 { 1414 {
1379 0x01, 0x08, 0x0B, 0x08, 0xF0, 0x02, 0x9E, 0x32, 1415 0x01, 0x08, 0x0B, 0x08, 0xF0, 0x02, 0x9E, 0x32,
1380 0x30, 0x36, 0x31, 0x00, 0x00, 0x00, 0xA9, 0x14, 1416 0x30, 0x36, 0x31, 0x00, 0x00, 0x00, 0xA9, 0x14,
1381 0x8D, 0x18, 0xD0, 0xA2, 0x00, 0xA9, 0x20, 0x9D, 1417 0x8D, 0x18, 0xD0, 0xA2, 0x00, 0xA9, 0x20, 0x9D,
1437 return dmC64GetGenericMCPixel(scan->col, img, 1473 return dmC64GetGenericMCPixel(scan->col, img,
1438 bmoffs, scroffs, 1474 bmoffs, scroffs,
1439 6 - (rasterX & 6), 1475 6 - (rasterX & 6),
1440 (rasterY & 7), 1476 (rasterY & 7),
1441 rasterX & 1, 0, img->bgcolor); 1477 rasterX & 1, 0, img->bgcolor);
1442 }
1443
1444
1445 #define XX2_MIN_SIZE 4000
1446 #define XX2_WIDTH_CH 40
1447 #define XX2_HEIGHT_CH 10
1448 #define XX2_SIZE (XX2_WIDTH_CH * XX2_HEIGHT_CH)
1449 #define XX2_BSIZE (XX2_SIZE * 8)
1450
1451
1452 static int fmtProbeFormatXX2(const DMGrowBuf *buf, const DMC64ImageFormat *fmt)
1453 {
1454 if (buf->len >= XX2_MIN_SIZE &&
1455 buf->len <= XX2_MIN_SIZE + 8 &&
1456 dmCompareAddr16(buf, 0, fmt->addr))
1457 return DM_PROBE_SCORE_MAYBE;
1458
1459 return DM_PROBE_SCORE_FALSE;
1460 }
1461
1462
1463 static int fmtDecodeFormatXX2(DMC64Image *img, const DMGrowBuf *buf, const DMC64ImageFormat *fmt)
1464 {
1465 int res;
1466 DMGrowBuf tmp;
1467
1468 // If there is only data for less than XX2_MIN_SIZE bytes,
1469 // allocate a buffer of that size and copy data there.
1470 // Otherwise allocate len bytes.
1471 if (dmGrowBufCopy(&tmp, buf, buf->len < XX2_MIN_SIZE ? XX2_MIN_SIZE - buf->len : 0) == NULL)
1472 return DMERR_MALLOC;
1473
1474 tmp.len = tmp.size;
1475 res = dmC64DecodeGenericBMP(img, &tmp, fmt);
1476 dmGrowBufFree(&tmp);
1477 return res;
1478 } 1478 }
1479 1479
1480 1480
1481 static int fmtProbeCosmosDesignsHiresManager(const DMGrowBuf *buf, const DMC64ImageFormat *fmt) 1481 static int fmtProbeCosmosDesignsHiresManager(const DMGrowBuf *buf, const DMC64ImageFormat *fmt)
1482 { 1482 {