148 lines
3.7 KiB
C
148 lines
3.7 KiB
C
/*
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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#include <conf.h>
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#include <stdlib.h>
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//#include <d_malloc.h>
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#include <stdio.h>
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#include "u_mem.h"
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#include "gr.h"
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#include "grdef.h"
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#ifdef __MSDOS__
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#include "modex.h"
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#include "vesa.h"
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#endif
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grs_canvas * grd_curcanv; //active canvas
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grs_screen * grd_curscreen; //active screen
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grs_canvas *gr_create_canvas(int w, int h)
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{
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grs_canvas *new;
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new = (grs_canvas *)d_malloc( sizeof(grs_canvas) );
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gr_init_bitmap_alloc (&new->cv_bitmap, BM_LINEAR, 0, 0, w, h, w);
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new->cv_color = 0;
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new->cv_drawmode = 0;
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new->cv_font = NULL;
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new->cv_font_fg_color = 0;
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new->cv_font_bg_color = 0;
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return new;
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}
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grs_canvas *gr_create_sub_canvas(grs_canvas *canv, int x, int y, int w, int h)
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{
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grs_canvas *new;
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new = (grs_canvas *)d_malloc( sizeof(grs_canvas) );
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gr_init_sub_bitmap (&new->cv_bitmap, &canv->cv_bitmap, x, y, w, h);
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new->cv_color = canv->cv_color;
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new->cv_drawmode = canv->cv_drawmode;
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new->cv_font = canv->cv_font;
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new->cv_font_fg_color = canv->cv_font_fg_color;
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new->cv_font_bg_color = canv->cv_font_bg_color;
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return new;
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}
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void gr_init_canvas(grs_canvas *canv, unsigned char * pixdata, int pixtype, int w, int h)
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{
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int wreal;
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canv->cv_color = 0;
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canv->cv_drawmode = 0;
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canv->cv_font = NULL;
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canv->cv_font_fg_color = 0;
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canv->cv_font_bg_color = 0;
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#ifndef __MSDOS__
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wreal = w;
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#else
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wreal = (pixtype == BM_MODEX) ? w / 4 : w;
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#endif
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gr_init_bitmap (&canv->cv_bitmap, pixtype, 0, 0, w, h, wreal, pixdata);
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}
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void gr_init_sub_canvas(grs_canvas *new, grs_canvas *src, int x, int y, int w, int h)
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{
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new->cv_color = src->cv_color;
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new->cv_drawmode = src->cv_drawmode;
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new->cv_font = src->cv_font;
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new->cv_font_fg_color = src->cv_font_fg_color;
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new->cv_font_bg_color = src->cv_font_bg_color;
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gr_init_sub_bitmap (&new->cv_bitmap, &src->cv_bitmap, x, y, w, h);
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}
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void gr_free_canvas(grs_canvas *canv)
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{
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gr_free_bitmap_data(&canv->cv_bitmap);
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d_free(canv);
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}
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void gr_free_sub_canvas(grs_canvas *canv)
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{
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d_free(canv);
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}
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int gr_wait_for_retrace = 1;
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void gr_show_canvas( grs_canvas *canv )
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{
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#ifdef __MSDOS__
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if (canv->cv_bitmap.bm_type == BM_MODEX )
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gr_modex_setstart( canv->cv_bitmap.bm_x, canv->cv_bitmap.bm_y, gr_wait_for_retrace );
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else if (canv->cv_bitmap.bm_type == BM_SVGA )
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gr_vesa_setstart( canv->cv_bitmap.bm_x, canv->cv_bitmap.bm_y );
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#endif
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// else if (canv->cv_bitmap.bm_type == BM_LINEAR )
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// Int3(); // Get JOHN!
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//gr_linear_movsd( canv->cv_bitmap.bm_data, (void *)gr_video_memory, 320*200);
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}
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void gr_set_current_canvas( grs_canvas *canv )
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{
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if (canv==NULL)
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grd_curcanv = &(grd_curscreen->sc_canvas);
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else
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grd_curcanv = canv;
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#ifndef NO_ASM
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if ( (grd_curcanv->cv_color >= 0) && (grd_curcanv->cv_color <= 255) ) {
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gr_var_color = grd_curcanv->cv_color;
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} else
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gr_var_color = 0;
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gr_var_bitmap = grd_curcanv->cv_bitmap.bm_data;
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gr_var_bwidth = grd_curcanv->cv_bitmap.bm_rowsize;
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#endif
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}
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void gr_clear_canvas(int color)
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{
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gr_setcolor(color);
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gr_rect(0,0,GWIDTH-1,GHEIGHT-1);
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}
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void gr_setcolor(int color)
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{
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grd_curcanv->cv_color=color;
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#ifndef NO_ASM
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gr_var_color = color;
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#endif
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}
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