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.
27 unsigned char gr_ugpixel( grs_bitmap * bitmap, int x, int y )
30 switch(bitmap->bm_type)
34 return bitmap->bm_data[ bitmap->bm_rowsize*y + x ];
39 gr_modex_setplane( x & 3 );
40 return gr_video_memory[(bitmap->bm_rowsize * y) + (x/4)];
44 offset = (unsigned int)bitmap->bm_data + (unsigned int)bitmap->bm_rowsize * y + x;
45 gr_vesa_setpage( offset >> 16 );
46 return gr_video_memory[offset & 0xFFFF];
53 unsigned char gr_gpixel( grs_bitmap * bitmap, int x, int y )
55 if ((x<0) || (y<0) || (x>=bitmap->bm_w) || (y>=bitmap->bm_h)) return 0;
57 switch(bitmap->bm_type)
61 return bitmap->bm_data[ bitmap->bm_rowsize*y + x ];
66 gr_modex_setplane( x & 3 );
67 return gr_video_memory[(bitmap->bm_rowsize * y) + (x/4)];
71 offset = (unsigned int)bitmap->bm_data + (unsigned int)bitmap->bm_rowsize * y + x;
72 gr_vesa_setpage( offset >> 16 );
73 return gr_video_memory[offset & 0xFFFF];