1 #ifndef __TGA_H 2 #define __TGA_H 1 3 4 #include "gd.h" 5 #include "gdhelpers.h" 6 7 #include "gd_intern.h" 8 9 typedef struct oTga_ { 10 uint8_t identsize; // size of ID field that follows 18 uint8_t header (0 usually) 11 uint8_t colormaptype; // type of colour map 0=none, 1=has palette [IGNORED] Adrian requested no support 12 uint8_t imagetype; // type of image 0=none,1=indexed,2=rgb,3=grey,+8=rle packed 13 14 int colormapstart; // first colour map entry in palette [IGNORED] Adrian requested no support 15 int colormaplength; // number of colours in palette [IGNORED] Adrian requested no support 16 uint8_t colormapbits; // number of bits per palette entry 15,16,24,32 [IGNORED] Adrian requested no support 17 18 int xstart; // image x origin 19 int ystart; // image y origin 20 int width; // image width in pixels 21 int height; // image height in pixels 22 uint8_t bits; // image bits per pixel 8,16,24,32 23 uint8_t alphabits; // alpha bits (low 4bits of header 17) 24 uint8_t fliph; // horizontal or vertical 25 uint8_t flipv; // flip 26 char *ident; // identifcation tag string 27 int *bitmap; // bitmap data 28 29 } oTga; 30 31 #define TGA_TYPE_NO_IMAGE 0 32 #define TGA_TYPE_INDEXED 1 33 #define TGA_TYPE_RGB 2 34 #define TGA_TYPE_GREYSCALE 3 35 #define TGA_TYPE_INDEXED_RLE 9 36 #define TGA_TYPE_RGB_RLE 10 37 #define TGA_TYPE_GREYSCALE_RLE 11 38 #define TGA_TYPE_INDEXED_HUFFMAN_DELTA_RLE 32 39 #define TGA_TYPE_RGB_HUFFMAN_DELTA_QUADTREE_RLE 33 40 41 #define TGA_BPP_8 8 42 #define TGA_BPP_16 16 43 #define TGA_BPP_24 24 44 #define TGA_BPP_32 32 45 46 #define TGA_RLE_FLAG 128 47 48 int read_header_tga(gdIOCtx *ctx, oTga *tga); 49 int read_image_tga(gdIOCtx *ctx, oTga *tga); 50 void free_tga(oTga *tga); 51 52 #endif //__TGA_H 53
