43 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			43 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Replacement functions to protect the alpha channel
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 */
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/*
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 * Copyright (c) 2002-2003 Torrey T. Lyons. All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included in
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 * all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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 * THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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 * DEALINGS IN THE SOFTWARE.
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 *
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 * Except as contained in this notice, the name(s) of the above copyright
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 * holders shall not be used in advertising or otherwise to promote the sale,
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 * use or other dealings in this Software without prior written authorization.
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 */
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#ifndef _SAFEALPHA_H
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#define _SAFEALPHA_H
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#include "picturestr.h"
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#ifdef RENDER
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void
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SafeAlphaComposite(CARD8 op, PicturePtr pSrc, PicturePtr pMask, PicturePtr pDst,
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                   INT16 xSrc, INT16 ySrc, INT16 xMask, INT16 yMask,
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                   INT16 xDst, INT16 yDst, CARD16 width, CARD16 height);
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#endif /* RENDER */
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#endif /* _SAFEALPHA_H */
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