49 lines
815 B
C
49 lines
815 B
C
typedef struct Point
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{
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s32 x;
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s32 y;
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} Point;
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typedef struct Rect
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{
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Point upper_left;
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Point lower_right;
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} Rect;
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typedef struct Bitmap
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{
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u8 *bits;
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s32 width;
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s32 height;
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u32 rowbytes;
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} Bitmap;
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#define TF_SRC 0xc
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#define TF_AND 0x8
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#define TF_OR 0xe
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#define TF_XOR 0x6
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#define FLIP_H 0x1
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#define FLIP_V 0x2
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#define TRANSPOSE 0x4
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#define ROT_0 0x0
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#define ROT_90 (TRANSPOSE + FLIP_H)
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#define ROT_180 (FLIP_H + FLIP_V)
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#define ROT_270 (TRANSPOSE + FLIP_V)
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Bitmap *create_bitmap (s32 width, s32 height);
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void free_bitmap (Bitmap *bitmap);
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boolean get_pixel (Bitmap *bitmap, Point coord);
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void set_pixel (Bitmap *bitmap, Point coord, boolean value);
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Bitmap *bitblt (Bitmap *src_bitmap,
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Rect src_rect,
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Bitmap *dest_bitmap,
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Point dest_upper_left,
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int scan,
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int tfn);
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