tumble / file diff

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/bitblt.h	Thu Dec 27 11:04:43 2001 +0000
     1.3 @@ -0,0 +1,44 @@
     1.4 +typedef unsigned char u8;
     1.5 +typedef unsigned int u32;
     1.6 +typedef int boolean;
     1.7 +
     1.8 +typedef struct Point
     1.9 +{
    1.10 +  u32 x;
    1.11 +  u32 y;
    1.12 +} Point;
    1.13 +
    1.14 +typedef struct Rect
    1.15 +{
    1.16 +  Point upper_left;
    1.17 +  Point lower_right;
    1.18 +} Rect;
    1.19 +
    1.20 +typedef struct Bitmap
    1.21 +{
    1.22 +  u8 *bits;
    1.23 +  u32 width;
    1.24 +  u32 height;
    1.25 +  u32 rowbytes;
    1.26 +} Bitmap;
    1.27 +
    1.28 +
    1.29 +#define TF_SRC 0xc
    1.30 +#define TF_AND 0x8
    1.31 +#define TF_OR  0xe
    1.32 +#define TF_XOR 0x6
    1.33 +
    1.34 +
    1.35 +Bitmap *create_bitmap (u32 width, u32 height);
    1.36 +void free_bitmap (Bitmap *bitmap);
    1.37 +boolean get_pixel (Bitmap *bitmap, Point coord);
    1.38 +void set_pixel (Bitmap *bitmap, Point coord, boolean value);
    1.39 +
    1.40 +Bitmap *bitblt (Bitmap *src_bitmap,
    1.41 +		Rect src_rect,
    1.42 +		Bitmap *dest_bitmap,
    1.43 +		Point dest_upper_left,
    1.44 +		boolean flip_horizontal,
    1.45 +		boolean flip_vertical,
    1.46 +		boolean transpose,
    1.47 +		int tfn);