98 lines
2.3 KiB
C
98 lines
2.3 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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/*
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*
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* Graphical routines for setting a pixel.
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*
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*/
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#include <conf.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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#include "vesa.h"
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#include "modex.h"
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#ifdef OGL
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#include "ogl_init.h"
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#endif
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#ifndef D1XD3D
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void gr_upixel( int x, int y )
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{
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switch (TYPE)
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{
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#ifdef OGL
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case BM_OGL:
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ogl_upixelc(x,y,COLOR);
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return;
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#endif
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case BM_LINEAR:
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DATA[ ROWSIZE*y+x ] = COLOR;
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return;
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#ifdef __ENV_DJGPP__
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case BM_MODEX:
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gr_modex_setplane( (x+XOFFSET) & 3 );
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gr_video_memory[(ROWSIZE * (y+YOFFSET)) + ((x+XOFFSET)>>2)] = COLOR;
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return;
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case BM_SVGA:
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gr_vesa_pixel( COLOR, (unsigned int)DATA + (unsigned int)ROWSIZE * y + x);
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return;
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#endif
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}
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}
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#endif
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void gr_pixel( int x, int y )
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{
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if ((x<0) || (y<0) || (x>=GWIDTH) || (y>=GHEIGHT)) return;
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gr_upixel (x, y);
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}
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#ifndef D1XD3D
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inline void gr_bm_upixel( grs_bitmap * bm, int x, int y, unsigned char color )
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{
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switch (bm->bm_type)
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{
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#ifdef OGL
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case BM_OGL:
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ogl_upixelc(bm->bm_x+x,bm->bm_y+y,color);
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return;
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#endif
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case BM_LINEAR:
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bm->bm_data[ bm->bm_rowsize*y+x ] = color;
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return;
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#ifdef __ENV_DJGPP__
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case BM_MODEX:
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x += bm->bm_x;
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y += bm->bm_y;
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gr_modex_setplane( x & 3 );
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gr_video_memory[(bm->bm_rowsize * y) + (x/4)] = color;
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return;
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case BM_SVGA:
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gr_vesa_pixel(color,(unsigned int)bm->bm_data + (unsigned int)bm->bm_rowsize * y + x);
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return;
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#endif
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}
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}
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#endif
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void gr_bm_pixel( grs_bitmap * bm, int x, int y, unsigned char color )
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{
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if ((x<0) || (y<0) || (x>=bm->bm_w) || (y>=bm->bm_h)) return;
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gr_bm_upixel (bm, x, y, color);
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}
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