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89 lines
2.7 KiB
89 lines
2.7 KiB
#ifndef N64GRAPHICS_H_
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#define N64GRAPHICS_H_
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#include <stdint.h>
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// intermediate formats
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typedef struct _rgba
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{
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uint8_t red;
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uint8_t green;
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uint8_t blue;
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uint8_t alpha;
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} rgba;
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typedef struct _ia
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{
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uint8_t intensity;
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uint8_t alpha;
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} ia;
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//---------------------------------------------------------
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// N64 RGBA/IA/I/CI -> intermediate RGBA/IA
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//---------------------------------------------------------
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// N64 raw RGBA16/RGBA32 -> intermediate RGBA
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rgba *raw2rgba(const uint8_t *raw, int width, int height, int depth);
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// N64 raw IA1/IA4/IA8/IA16 -> intermediate IA
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ia *raw2ia(const uint8_t *raw, int width, int height, int depth);
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// N64 raw I4/I8 -> intermediate IA
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ia *raw2i(const uint8_t *raw, int width, int height, int depth);
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// N64 raw CI + palette -> intermediate RGBA
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rgba *rawci2rgba(const uint8_t *rawci, const uint8_t *palette, int width, int height, int depth);
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//---------------------------------------------------------
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// intermediate RGBA/IA -> N64 RGBA/IA/I/CI
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// returns length written to 'raw' used or -1 on error
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//---------------------------------------------------------
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// intermediate RGBA -> N64 raw RGBA16/RGBA32
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int rgba2raw(uint8_t *raw, const rgba *img, int width, int height, int depth);
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// intermediate IA -> N64 raw IA1/IA4/IA8/IA16
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int ia2raw(uint8_t *raw, const ia *img, int width, int height, int depth);
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// intermediate IA -> N64 raw I4/I8
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int i2raw(uint8_t *raw, const ia *img, int width, int height, int depth);
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// intermediate RGBA -> N64 raw CI + palette
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// TODO
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// int rgba2rawci(uint8_t *raw, uint8_t *out_palette, int *pal_len, const rgba *img, int width, int height, int depth);
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//---------------------------------------------------------
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// intermediate RGBA/IA -> PNG
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//---------------------------------------------------------
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// intermediate RGBA write to PNG file
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int rgba2png(const char *png_filename, const rgba *img, int width, int height);
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// intermediate IA write to grayscale PNG file
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int ia2png(const char *png_filename, const ia *img, int width, int height);
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//---------------------------------------------------------
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// PNG -> intermediate RGBA/IA
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//---------------------------------------------------------
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// PNG file -> intermediate RGBA
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rgba *png2rgba(const char *png_filename, int *width, int *height);
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// PNG file -> intermediate IA
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ia *png2ia(const char *png_filename, int *width, int *height);
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//---------------------------------------------------------
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// version
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//---------------------------------------------------------
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// get version of underlying graphics reading library
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const char *n64graphics_get_read_version(void);
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// get version of underlying graphics writing library
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const char *n64graphics_get_write_version(void);
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#endif // N64GRAPHICS_H_
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