56 lines
2.5 KiB
C
56 lines
2.5 KiB
C
/*
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* Copyright (c) 1994 Christian E. Hopps
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christian E. Hopps.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id: grf_draw.h,v 1.2 1994/01/29 06:59:52 chopps Exp $
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*/
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#if ! defined (_GRF_DRAW_H)
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#define _GRF_DRAW_H
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#define BOX_2_RECT(b,r) do { \
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(r)->left = (b)->x; (r)->top = (b)->y; \
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(r)->right = (b)->x + (b)->width -1; \
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(r)->bottom = (b)->y + (b)->height -1; \
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} while (0)
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#define RECT_2_BOX(r,b) do { \
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(b)->x = (r)->left; \
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(b)->y = (r)->top; \
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(b)->width = (r)->right - (r)->left +1; \
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(b)->height = (r)->bottom - (r)->top +1; \
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} while (0)
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#define INIT_BOX(b,xx,yy,ww,hh) do{(b)->x = xx; (b)->y = yy; (b)->width = ww; (b)->height = hh;}while (0)
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#define INIT_RECT(rc,l,t,r,b) do{(rc)->left = l; (rc)->right = r; (rc)->top = t; (rc)->bottom = b;}while (0)
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#define INIT_POINT(p,xx,yy) do {(p)->x = xx; (p)->y = yy;} while (0)
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#define INIT_DIM(d,w,h) do {(d)->width = w; (d)->height = h;} while (0)
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#endif /* _GRF_DRAW_H */
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