hschumann2/TempleOS-Source-Code

1 2GR graphics files are 8-bits-per-pixels but only 4-bits of color, with3transparency and no palette.  Compression is the standard TempleOS LZW4compression.5 6#define DCF_COMPRESSED          1 //This is the only saved flag.7#define DCF_PALETTE             28 9#define TRANSPARENT             0xFF10#define BLACK                   011#define BLUE                    112#define GREEN                   213#define CYAN                    314#define RED                     415#define PURPLE                  516#define BROWN                   617#define LTGRAY                  718#define DKGRAY                  819#define LTBLUE                  920#define LTGREEN                 1021#define LTCYAN                  1122#define LTRED                   1223#define LTPURPLE                1324#define YELLOW                  1425#define WHITE                   1526 27class CBGR4828{29  U16   r,g,b,pad;30};31 32CBGR48 gr_palette_std[16]={330x000000000000,0x00000000AAAA,0x0000AAAA0000,0x0000AAAAAAAA,340xAAAA00000000,0xAAAA0000AAAA,0xAAAA55550000,0xAAAAAAAAAAAA,350x555555555555,0x55555555FFFF,0x5555FFFF5555,0x5555FFFFFFFF,360xFFFF55555555,0xFFFF5555FFFF,0xFFFFFFFF5555,0xFFFFFFFFFFFF};37 38class GRFile39{40  I32   width;41  I32   width_internal; //Rounded-up to multiple of 8.42  I32   height;43  I32   flags;          //DCF_COMPRESSED? See ::/Kernel/Compress.HC.44  CBGR48 palette[16];   //Included if DCF_PALETTE.45  U8    body[];46};47 48See DCSave(), GRWrite(), DCLoad(), and GRRead().49