Mercurial > hg > dmlib
annotate libgfx.h @ 462:ab401a5087f9
Improve ARAW output.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Sun, 04 Nov 2012 16:09:07 +0200 |
| parents | 0af039b6c0ae |
| children | b89598501cec |
| rev | line source |
|---|---|
| 435 | 1 /* |
| 2 * Functions for loading and saving bitmap images | |
| 3 * Programmed and designed by Matti 'ccr' Hamalainen | |
| 4 * (C) Copyright 2012 Tecnic Software productions (TNSP) | |
| 5 * | |
| 6 * Please read file 'COPYING' for information on license and distribution. | |
| 7 */ | |
| 8 #ifndef LIBMGFX_H | |
| 9 #define LIBMGFX_H 1 | |
| 10 | |
| 11 #include "dmlib.h" | |
| 12 #include "dmfile.h" | |
| 13 | |
| 14 #ifdef __cplusplus | |
| 15 extern "C" { | |
| 16 #endif | |
| 17 | |
| 18 | |
| 19 enum | |
| 20 { | |
| 21 IMGFMT_PNG, | |
| 22 IMGFMT_PPM, | |
| 23 IMGFMT_PCX, | |
|
443
f7c9d1619c74
Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
Matti Hamalainen <ccr@tnsp.org>
parents:
435
diff
changeset
|
24 IMGFMT_ILBM, |
| 435 | 25 IMGFMT_ARAW, |
| 26 | |
| 27 IMGFMT_LAST | |
| 28 }; | |
| 29 | |
| 30 | |
| 31 enum | |
| 32 { | |
| 33 DM_IFMT_PALETTE, | |
| 34 DM_IFMT_RGB, | |
| 35 DM_IFMT_RGBA, | |
| 36 DM_IFMT_RGB_PLANE, | |
| 37 }; | |
| 38 | |
| 39 | |
| 40 // RGBx color struct | |
| 41 typedef struct | |
| 42 { | |
|
460
0af039b6c0ae
Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
43 Uint8 r, g, b, a; |
| 435 | 44 } DMColor; |
| 45 | |
| 46 | |
| 47 // Bitmapped image struct (can be one of types specified by DM_IFMT_*) | |
| 48 typedef struct | |
| 49 { | |
| 50 int width, height, pitch; | |
| 51 BOOL constpal; | |
|
460
0af039b6c0ae
Improve transparent color handling.
Matti Hamalainen <ccr@tnsp.org>
parents:
443
diff
changeset
|
52 int ncolors, ctransp; |
| 435 | 53 DMColor *pal; |
| 54 Uint8 *data; | |
| 55 } DMImage; | |
| 56 | |
| 57 | |
| 58 typedef struct | |
| 59 { | |
| 60 int scale, nplanes, format; | |
| 61 BOOL interleave, paletted; | |
| 62 } DMImageSpec; | |
| 63 | |
| 64 | |
| 65 typedef struct | |
| 66 { | |
| 67 char *fext; | |
| 68 char *desc; | |
| 69 int (*probe)(const Uint8 *buf, const size_t len); | |
| 70 int (*read)(const char *filename, DMImage **pimg); | |
| 71 int (*readFILE)(FILE *fp, DMImage **pimg); | |
| 72 int (*write)(const char *filename, DMImage *pimg, DMImageSpec *spec); | |
| 73 int (*writeFILE)(FILE *fp, DMImage *pimg, DMImageSpec *spec); | |
| 74 } DMImageFormat; | |
| 75 | |
| 76 | |
| 77 // Probe scores | |
| 78 #define DM_PROBE_SCORE_MAX 1000 | |
| 79 #define DM_PROBE_SCORE_GOOD 750 | |
| 80 #define DM_PROBE_SCORE_AVG 500 | |
| 81 #define DM_PROBE_SCORE_MAYBE 250 | |
| 82 #define DM_PROBE_SCORE_FALSE 0 | |
| 83 | |
| 84 | |
| 85 extern DMImageFormat dmImageFormatList[IMGFMT_LAST]; | |
| 86 | |
| 87 | |
| 88 DMImage * dmImageAlloc(int width, int height); | |
| 89 void dmImageFree(DMImage *img); | |
| 90 int dmImageGetBytesPerPixel(int format); | |
| 91 int dmImageProbeGeneric(const Uint8 *buf, const size_t len, DMImageFormat **fmt, int *index); | |
| 92 | |
| 93 | |
| 94 int dmWriteImageData(DMImage *img, void *cbdata, BOOL (*writeRowCB)(void *, Uint8 *, size_t), const DMImageSpec *spec); | |
| 95 | |
| 462 | 96 int dmWriteIFFMasterRAWPalette(FILE *fp, DMImage *img, int ncolors, const char *indent, const char *type); |
| 435 | 97 int dmWriteIFFMasterRAWImageFILE(FILE *fp, DMImage *img, DMImageSpec *spec); |
| 98 int dmWriteIFFMasterRAWImage(const char *filename, DMImage *img, DMImageSpec *spec); | |
| 99 | |
| 100 int dmWritePPMImageFILE(FILE *fp, DMImage *img, DMImageSpec *spec); | |
| 101 int dmWritePPMImage(const char *filename, DMImage *img, DMImageSpec *spec); | |
| 102 | |
| 103 #ifdef DM_USE_LIBPNG | |
| 104 int dmWritePNGImageFILE(FILE *fp, DMImage *img, DMImageSpec *spec); | |
| 105 int dmWritePNGImage(const char *filename, DMImage *img, DMImageSpec *spec); | |
| 106 #endif | |
| 107 | |
| 108 int dmWritePCXImageFILE(FILE *fp, DMImage *img, DMImageSpec *spec); | |
| 109 int dmWritePCXImage(const char *filename, DMImage *img, DMImageSpec *spec); | |
| 110 int dmReadPCXImageFILE(FILE *fp, DMImage **pimg); | |
| 111 int dmReadPCXImage(const char *filename, DMImage **pimg); | |
| 112 | |
| 113 | |
| 114 #ifdef __cplusplus | |
| 115 } | |
| 116 #endif | |
| 117 | |
| 118 #endif // LIBMGFX_H |