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typedef struct fz_pixmap_s fz_pixmap;
typedef struct fz_colorspace_s fz_colorspace;
struct fz_pixmap_s
{
int x, y, w, h;
int n, a;
int stride;
fz_colorspace *cs;
short *samples;
};
fz_error *fz_newpixmap(fz_pixmap **mapp, int x, int y, int w, int h, int n, int a);
void fz_clearpixmap(fz_pixmap *map);
void fz_freepixmap(fz_pixmap *map);
void fz_blendover(short *C, short *A, short *B, int n);
void fz_blendin(short *C, short *A, short *B, int n);
void fz_blendout(short *C, short *A, short *B, int n);
void fz_blendatop(short *C, short *A, short *B, int n);
void fz_blendxor(short *C, short *A, short *B, int n);
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