2 THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
3 SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
4 END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
5 ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
6 IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
7 SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
8 FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
9 CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
10 AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
11 COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
24 unsigned char gr_ugpixel( grs_bitmap * bitmap, int x, int y )
27 switch(bitmap->bm_type)
31 return bitmap->bm_data[ bitmap->bm_rowsize*y + x ];
36 gr_modex_setplane( x & 3 );
37 return gr_video_memory[(bitmap->bm_rowsize * y) + (x/4)];
41 offset = (unsigned int)bitmap->bm_data + (unsigned int)bitmap->bm_rowsize * y + x;
42 gr_vesa_setpage( offset >> 16 );
43 return gr_video_memory[offset & 0xFFFF];
50 unsigned char gr_gpixel( grs_bitmap * bitmap, int x, int y )
52 if ((x<0) || (y<0) || (x>=bitmap->bm_w) || (y>=bitmap->bm_h)) return 0;
54 switch(bitmap->bm_type)
58 return bitmap->bm_data[ bitmap->bm_rowsize*y + x ];
63 gr_modex_setplane( x & 3 );
64 return gr_video_memory[(bitmap->bm_rowsize * y) + (x/4)];
68 offset = (unsigned int)bitmap->bm_data + (unsigned int)bitmap->bm_rowsize * y + x;
69 gr_vesa_setpage( offset >> 16 );
70 return gr_video_memory[offset & 0xFFFF];