Alpha blend map type
typedef struct _Pg_map { PhDim_t dim; short unsigned bpl; short unsigned bpp; char *map; } PgMap_t;
The PgMap_t structure defines an alpha blend map. Its members include:
Photon
PgAlphaOff(), PgAlphaOn(), PgColor_t, PgSetAlpha(), PgSetAlphaBlend(), PhDim_t
“Alpha Blending Support” in the Raw Drawing and Animation chapter of the Photon Programmer's Guide