1 /* $Id: ibitblt.h,v 1.2 2002-09-04 22:27:54 btb Exp $ */
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17 * Prototypes for the ibitblt functions.
20 * Revision 1.1 1995/08/18 15:50:57 allender
23 * Revision 1.2 1994/05/31 11:10:56 john
24 * *** empty log message ***
26 * Revision 1.1 1994/05/30 16:08:46 john
34 // Finds location/size of the largest "hole" in bitmap mask_bmp
35 void gr_ibitblt_find_hole_size ( grs_bitmap * mask_bmp, int *minx, int *miny, int *maxx, int *maxy );
37 // Creates a code mask that will copy data from a bitmap that is sw by
38 // sh starting from location sx, sy with a rowsize of srowsize onto
39 // another bitmap but only copies into pixel locations that are
40 // defined as transparent in bitmap bmp.
43 ubyte * gr_ibitblt_create_mask(grs_bitmap *mask_bmp, int sx, int sy, int sw, int sh, int srowsize);
44 ubyte * gr_ibitblt_create_mask_svga(grs_bitmap *mask_bmp, int sx, int sy, int sw, int sh, int srowsize);
45 ubyte * gr_ibitblt_create_mask_pa( grs_bitmap *mask_bmp, int sx, int sy, int sw, int sh, int srowsize);
47 void gr_ibitblt_create_mask_pa(grs_bitmap *mask_bmp, int sx, int sy, int sw, int sh, int srowsize);
48 void gr_ibitblt_create_mask(grs_bitmap *mask_bmp, int sx, int sy, int sw, int sh, int srowsize);
51 // Copy source bitmap onto destination bitmap, not copying pixels that
52 // are defined transparent by the mask
55 void gr_ibitblt(grs_bitmap *source_bmp, grs_bitmap *dest_bmp, ubyte *mask);
57 void gr_ibitblt(grs_bitmap *source_bmp, grs_bitmap *dest_bmp, ubyte pixel_double);