2006-03-20 17:12:09 +00:00
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/* $Id: box.c,v 1.1.1.1 2006/03/17 19:51:57 zicodxx Exp $ */
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/*
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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 "u_mem.h"
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#include "gr.h"
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#include "grdef.h"
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void gr_ubox0(int left,int top,int right,int bot)
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{
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int i, d;
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unsigned char * ptr1;
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unsigned char * ptr2;
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ptr1 = DATA + ROWSIZE *top+left;
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ptr2 = ptr1;
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d = right - left;
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for (i=top; i<=bot; i++ )
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{
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ptr2[0] = (unsigned char) COLOR;
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ptr2[d] = (unsigned char) COLOR;
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ptr2 += ROWSIZE;
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}
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ptr2 = ptr1;
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d = (bot - top)*ROWSIZE;
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for (i=1; i<(right-left); i++ )
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{
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ptr2[i+0] = (unsigned char) COLOR;
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ptr2[i+d] = (unsigned char) COLOR;
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}
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}
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void gr_box0(int left,int top,int right,int bot)
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{
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if (top > MAXY ) return;
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if (bot < MINY ) return;
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if (left > MAXX ) return;
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if (right < MINX ) return;
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if (top < MINY) top = MINY;
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if (bot > MAXY ) bot = MAXY;
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if (left < MINX) left = MINX;
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if (right > MAXX ) right = MAXX;
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gr_ubox0(left,top,right,bot);
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}
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void gr_ubox12(int left,int top,int right,int bot)
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{
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2012-04-09 09:30:40 +00:00
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#if 0 // the following shifts the box up 1 unit in OpenGL
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2006-03-20 17:12:09 +00:00
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int i;
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2007-10-06 14:51:30 +00:00
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2006-03-20 17:12:09 +00:00
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for (i=top; i<=bot; i++ )
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{
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gr_upixel( left, i );
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gr_upixel( right, i );
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}
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2007-10-18 14:44:02 +00:00
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for (i=left; i<=right; i++ )
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{
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gr_upixel( i, top );
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gr_upixel( i, bot );
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}
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2012-04-09 09:30:40 +00:00
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#endif
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gr_uline(i2f(left), i2f(top), i2f(right), i2f(top));
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gr_uline(i2f(right), i2f(top), i2f(right), i2f(bot));
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gr_uline(i2f(left), i2f(top), i2f(left), i2f(bot));
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gr_uline(i2f(left), i2f(bot), i2f(right), i2f(bot));
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2006-03-20 17:12:09 +00:00
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}
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void gr_box12(int left,int top,int right,int bot)
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{
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if (top > MAXY ) return;
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if (bot < MINY ) return;
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if (left > MAXX ) return;
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if (right < MINX ) return;
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if (top < MINY) top = MINY;
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if (bot > MAXY ) bot = MAXY;
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if (left < MINX) left = MINX;
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if (right > MAXX ) right = MAXX;
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gr_ubox12(left, top, right, bot );
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}
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void gr_ubox(int left,int top,int right,int bot)
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{
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if (TYPE==BM_LINEAR)
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gr_ubox0( left, top, right, bot );
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else
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gr_ubox12( left, top, right, bot );
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}
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void gr_box(int left,int top,int right,int bot)
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{
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if (TYPE==BM_LINEAR)
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gr_box0( left, top, right, bot );
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else
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2012-04-09 09:30:40 +00:00
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gr_box12( left, top, right, bot );
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2006-03-20 17:12:09 +00:00
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}
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