Mercurial > hg > dmlib
annotate src/libgfx.h @ 902:c6c480e8e1c8
Add separate X and Y scaling to gfxconv and libgfx outputters.
| author | Matti Hamalainen <ccr@tnsp.org> |
|---|---|
| date | Mon, 23 Feb 2015 20:45:31 +0200 |
| parents | 1e5cf1144f36 |
| children | e1378398be0f |
| 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, | |
|
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Beginnings of IFF ILBM reader. Not functional, only chunk parsing,
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24 IMGFMT_ILBM, |
|
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25 IMGFMT_RAW, |
| 435 | 26 IMGFMT_ARAW, |
| 27 | |
| 28 IMGFMT_LAST | |
| 29 }; | |
| 30 | |
| 31 | |
| 32 enum | |
| 33 { | |
| 34 DM_IFMT_PALETTE, | |
| 35 DM_IFMT_RGB, | |
| 36 DM_IFMT_RGBA, | |
| 37 DM_IFMT_RGB_PLANE, | |
| 38 }; | |
| 39 | |
| 40 | |
| 41 // RGBx color struct | |
| 42 typedef struct | |
| 43 { | |
|
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Improve transparent color handling.
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44 Uint8 r, g, b, a; |
| 435 | 45 } DMColor; |
| 46 | |
| 47 | |
| 48 // Bitmapped image struct (can be one of types specified by DM_IFMT_*) | |
| 49 typedef struct | |
| 50 { | |
| 51 int width, height, pitch; | |
| 52 BOOL constpal; | |
|
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53 int ncolors, ctransp; |
| 435 | 54 DMColor *pal; |
| 55 Uint8 *data; | |
| 56 } DMImage; | |
| 57 | |
| 58 | |
| 59 typedef struct | |
| 60 { | |
|
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Add separate X and Y scaling to gfxconv and libgfx outputters.
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61 int scaleX, scaleY, nplanes, format; |
| 435 | 62 BOOL interleave, paletted; |
| 63 } DMImageSpec; | |
| 64 | |
| 65 | |
| 66 typedef struct | |
| 67 { | |
| 68 char *fext; | |
| 69 char *desc; | |
| 70 int (*probe)(const Uint8 *buf, const size_t len); | |
| 71 int (*read)(const char *filename, DMImage **pimg); | |
| 72 int (*readFILE)(FILE *fp, DMImage **pimg); | |
| 73 int (*write)(const char *filename, DMImage *pimg, DMImageSpec *spec); | |
| 74 int (*writeFILE)(FILE *fp, DMImage *pimg, DMImageSpec *spec); | |
| 75 } DMImageFormat; | |
| 76 | |
| 77 | |
| 78 // Probe scores | |
| 79 #define DM_PROBE_SCORE_MAX 1000 | |
| 80 #define DM_PROBE_SCORE_GOOD 750 | |
| 81 #define DM_PROBE_SCORE_AVG 500 | |
| 82 #define DM_PROBE_SCORE_MAYBE 250 | |
| 83 #define DM_PROBE_SCORE_FALSE 0 | |
| 84 | |
| 85 | |
| 86 extern DMImageFormat dmImageFormatList[IMGFMT_LAST]; | |
| 87 | |
| 88 | |
| 89 DMImage * dmImageAlloc(int width, int height); | |
| 90 void dmImageFree(DMImage *img); | |
| 91 int dmImageGetBytesPerPixel(int format); | |
| 92 int dmImageProbeGeneric(const Uint8 *buf, const size_t len, DMImageFormat **fmt, int *index); | |
| 93 | |
|
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Move dmCompareColor() to libgfx.
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94 BOOL dmCompareColor(const DMColor *c1, const DMColor *c2, BOOL alpha); |
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Move dmCompareColor() to libgfx.
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95 |
| 435 | 96 |
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Use dmlib error code return value in cases where a plain boolean was used
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97 int dmWriteImageData(DMImage *img, void *cbdata, int (*writeRowCB)(void *, Uint8 *, size_t), const DMImageSpec *spec); |
| 435 | 98 |
| 462 | 99 int dmWriteIFFMasterRAWPalette(FILE *fp, DMImage *img, int ncolors, const char *indent, const char *type); |
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parents:
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diff
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100 int dmWriteRAWImageFILE(FILE *fp, DMImage *img, DMImageSpec *spec); |
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Add a slightly different raw output format.
Matti Hamalainen <ccr@tnsp.org>
parents:
487
diff
changeset
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101 int dmWriteRAWImage(const char *filename, DMImage *img, DMImageSpec *spec); |
| 435 | 102 |
| 103 int dmWritePPMImageFILE(FILE *fp, DMImage *img, DMImageSpec *spec); | |
| 104 int dmWritePPMImage(const char *filename, DMImage *img, DMImageSpec *spec); | |
| 105 | |
| 106 #ifdef DM_USE_LIBPNG | |
| 107 int dmWritePNGImageFILE(FILE *fp, DMImage *img, DMImageSpec *spec); | |
| 108 int dmWritePNGImage(const char *filename, DMImage *img, DMImageSpec *spec); | |
| 109 #endif | |
| 110 | |
| 111 int dmWritePCXImageFILE(FILE *fp, DMImage *img, DMImageSpec *spec); | |
| 112 int dmWritePCXImage(const char *filename, DMImage *img, DMImageSpec *spec); | |
| 113 int dmReadPCXImageFILE(FILE *fp, DMImage **pimg); | |
| 114 int dmReadPCXImage(const char *filename, DMImage **pimg); | |
| 115 | |
| 116 | |
| 117 #ifdef __cplusplus | |
| 118 } | |
| 119 #endif | |
| 120 | |
| 121 #endif // LIBMGFX_H |