212 lines
5.6 KiB
C
Executable file
212 lines
5.6 KiB
C
Executable file
/*
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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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/*
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* $Source: /cvsroot/dxx-rebirth/d1x-rebirth/2d/canvas.c,v $
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* $Revision: 1.1.1.1 $
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* $Author: zicodxx $
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* $Date: 2006/03/17 19:38:57 $
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*
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* Graphical routines for manipulating grs_canvas's.
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*
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* $Log: canvas.c,v $
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* Revision 1.1.1.1 2006/03/17 19:38:57 zicodxx
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* initial import
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*
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* Revision 1.2 1999/08/05 22:53:40 sekmu
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*
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* D3D patch(es) from ADB
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*
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* Revision 1.1.1.1 1999/06/14 21:57:17 donut
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* Import of d1x 1.37 source.
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*
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* Revision 1.14 1995/03/06 09:18:45 john
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* Made modex page flipping wait for retrace be default.
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*
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* Revision 1.13 1995/03/01 15:37:40 john
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* Better ModeX support.
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*
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* Revision 1.12 1994/11/28 17:08:29 john
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* Took out some unused functions in linear.asm, moved
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* gr_linear_movsd from linear.asm to bitblt.c, made sure that
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* the code in ibiblt.c sets the direction flags before rep movsing.
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*
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* Revision 1.11 1994/11/18 22:50:24 john
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* Changed shorts to ints in parameters.
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*
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* Revision 1.10 1994/11/10 15:59:33 john
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* Fixed bugs with canvas's being created with bogus bm_flags.
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*
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* Revision 1.9 1994/06/24 17:26:34 john
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* Made rowsizes bigger than actual screen work with SVGA.
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*
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* Revision 1.8 1994/05/06 12:50:41 john
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* Added supertransparency; neatend things up; took out warnings.
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*
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* Revision 1.7 1993/12/08 16:41:26 john
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* fixed color = -1 bug
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*
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* Revision 1.6 1993/10/15 16:22:25 john
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* *** empty log message ***
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*
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* Revision 1.5 1993/09/29 16:14:07 john
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* added globol variables describing current canvas
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*
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* Revision 1.4 1993/09/14 16:03:40 matt
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* Added new function, gr_clear_canvas()
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*
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* Revision 1.3 1993/09/14 13:51:38 matt
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* in gr_init_sub_canvas(), copy bm_rowsize from source canvas
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*
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* Revision 1.2 1993/09/08 17:37:34 john
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* Checking for potential errors
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*
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* Revision 1.1 1993/09/08 11:43:18 john
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* Initial revision
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*
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*
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*/
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#include <stdlib.h>
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//#include <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 *)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 *)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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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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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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