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.
31 grs_canvas * grd_curcanv; //active canvas
32 grs_screen * grd_curscreen; //active screen
34 grs_canvas *gr_create_canvas(int w, int h)
38 new = (grs_canvas *)d_malloc( sizeof(grs_canvas) );
39 gr_init_bitmap_alloc (&new->cv_bitmap, BM_LINEAR, 0, 0, w, h, w);
44 new->cv_font_fg_color = 0;
45 new->cv_font_bg_color = 0;
49 grs_canvas *gr_create_sub_canvas(grs_canvas *canv, int x, int y, int w, int h)
53 new = (grs_canvas *)d_malloc( sizeof(grs_canvas) );
54 gr_init_sub_bitmap (&new->cv_bitmap, &canv->cv_bitmap, x, y, w, h);
56 new->cv_color = canv->cv_color;
57 new->cv_drawmode = canv->cv_drawmode;
58 new->cv_font = canv->cv_font;
59 new->cv_font_fg_color = canv->cv_font_fg_color;
60 new->cv_font_bg_color = canv->cv_font_bg_color;
64 void gr_init_canvas(grs_canvas *canv, unsigned char * pixdata, int pixtype, int w, int h)
68 canv->cv_drawmode = 0;
70 canv->cv_font_fg_color = 0;
71 canv->cv_font_bg_color = 0;
77 wreal = (pixtype == BM_MODEX) ? w / 4 : w;
79 gr_init_bitmap (&canv->cv_bitmap, pixtype, 0, 0, w, h, wreal, pixdata);
82 void gr_init_sub_canvas(grs_canvas *new, grs_canvas *src, int x, int y, int w, int h)
84 new->cv_color = src->cv_color;
85 new->cv_drawmode = src->cv_drawmode;
86 new->cv_font = src->cv_font;
87 new->cv_font_fg_color = src->cv_font_fg_color;
88 new->cv_font_bg_color = src->cv_font_bg_color;
90 gr_init_sub_bitmap (&new->cv_bitmap, &src->cv_bitmap, x, y, w, h);
93 void gr_free_canvas(grs_canvas *canv)
95 gr_free_bitmap_data(&canv->cv_bitmap);
99 void gr_free_sub_canvas(grs_canvas *canv)
104 int gr_wait_for_retrace = 1;
106 void gr_show_canvas( grs_canvas *canv )
109 if (canv->cv_bitmap.bm_type == BM_MODEX )
110 gr_modex_setstart( canv->cv_bitmap.bm_x, canv->cv_bitmap.bm_y, gr_wait_for_retrace );
112 else if (canv->cv_bitmap.bm_type == BM_SVGA )
113 gr_vesa_setstart( canv->cv_bitmap.bm_x, canv->cv_bitmap.bm_y );
115 // else if (canv->cv_bitmap.bm_type == BM_LINEAR )
116 // Int3(); // Get JOHN!
117 //gr_linear_movsd( canv->cv_bitmap.bm_data, (void *)gr_video_memory, 320*200);
120 void gr_set_current_canvas( grs_canvas *canv )
123 grd_curcanv = &(grd_curscreen->sc_canvas);
127 if ( (grd_curcanv->cv_color >= 0) && (grd_curcanv->cv_color <= 255) ) {
128 gr_var_color = grd_curcanv->cv_color;
131 gr_var_bitmap = grd_curcanv->cv_bitmap.bm_data;
132 gr_var_bwidth = grd_curcanv->cv_bitmap.bm_rowsize;
136 void gr_clear_canvas(int color)
139 gr_rect(0,0,GWIDTH-1,GHEIGHT-1);
142 void gr_setcolor(int color)
144 grd_curcanv->cv_color=color;
146 gr_var_color = color;