tools/n64graphics.h

   1 #ifndef N64GRAPHICS_H_
   2 #define N64GRAPHICS_H_
   3
   4 #include <stdint.h>
   5
   6 // intermediate formats
   7 typedef struct _rgba
   8 {
   9    uint8_t red;
  10    uint8_t green;
  11    uint8_t blue;
  12    uint8_t alpha;
  13 } rgba;
  14
  15 typedef struct _ia
  16 {
  17    uint8_t intensity;
  18    uint8_t alpha;
  19 } ia;
  20
  21 //---------------------------------------------------------
  22 // N64 RGBA/IA/I/CI -> intermediate RGBA/IA
  23 //---------------------------------------------------------
  24
  25 // N64 raw RGBA16/RGBA32 -> intermediate RGBA
  26 rgba *raw2rgba(const uint8_t *raw, int width, int height, int depth);
  27
  28 // N64 raw IA1/IA4/IA8/IA16 -> intermediate IA
  29 ia *raw2ia(const uint8_t *raw, int width, int height, int depth);
  30
  31 // N64 raw I4/I8 -> intermediate IA
  32 ia *raw2i(const uint8_t *raw, int width, int height, int depth);
  33
  34 // N64 raw CI + palette -> intermediate RGBA
  35 rgba *rawci2rgba(const uint8_t *rawci, const uint8_t *palette, int width, int height, int depth);
  36
  37
  38 //---------------------------------------------------------
  39 // intermediate RGBA/IA -> N64 RGBA/IA/I/CI
  40 // returns length written to 'raw' used or -1 on error
  41 //---------------------------------------------------------
  42
  43 // intermediate RGBA -> N64 raw RGBA16/RGBA32
  44 int rgba2raw(uint8_t *raw, const rgba *img, int width, int height, int depth);
  45
  46 // intermediate IA -> N64 raw IA1/IA4/IA8/IA16
  47 int ia2raw(uint8_t *raw, const ia *img, int width, int height, int depth);
  48
  49 // intermediate IA -> N64 raw I4/I8
  50 int i2raw(uint8_t *raw, const ia *img, int width, int height, int depth);
  51
  52 // intermediate RGBA -> N64 raw CI + palette
  53 // TODO
  54 // int rgba2rawci(uint8_t *raw, uint8_t *out_palette, int *pal_len, const rgba *img, int width, int height, int depth);
  55
  56
  57 //---------------------------------------------------------
  58 // intermediate RGBA/IA -> PNG
  59 //---------------------------------------------------------
  60
  61 // intermediate RGBA write to PNG file
  62 int rgba2png(const char *png_filename, const rgba *img, int width, int height);
  63
  64 // intermediate IA write to grayscale PNG file
  65 int ia2png(const char *png_filename, const ia *img, int width, int height);
  66
  67
  68 //---------------------------------------------------------
  69 // PNG -> intermediate RGBA/IA
  70 //---------------------------------------------------------
  71
  72 // PNG file -> intermediate RGBA
  73 rgba *png2rgba(const char *png_filename, int *width, int *height);
  74
  75 // PNG file -> intermediate IA
  76 ia *png2ia(const char *png_filename, int *width, int *height);
  77
  78
  79 //---------------------------------------------------------
  80 // version
  81 //---------------------------------------------------------
  82
  83 // get version of underlying graphics reading library
  84 const char *n64graphics_get_read_version(void);
  85
  86 // get version of underlying graphics writing library
  87 const char *n64graphics_get_write_version(void);
  88
  89 #endif // N64GRAPHICS_H_