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/* $XFree86: xc/programs/Xserver/hw/xfree86/xf4bpp/ppcSpMcro.h,v 1.2 1998/07/25 16:59:42 dawes Exp $ */
/*
* Copyright IBM Corporation 1987,1988,1989
*
* All Rights Reserved
*
* Permission to use, copy, modify, and distribute this software and its
* documentation for any purpose and without fee is hereby granted,
* provided that the above copyright notice appear in all copies and that
* both that copyright notice and this permission notice appear in
* supporting documentation, and that the name of IBM not be
* used in advertising or publicity pertaining to distribution of the
* software without specific, written prior permission.
*
* IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
* IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
* SOFTWARE.
*
*/
/* $XConsortium: ppcSpMcro.h /main/3 1996/02/21 17:58:36 kaleb $ */
/* This screwy macro is used in all the spans routines and you find
it all over the place, so it is a macro just to tidy things up.
*/
#define SETSPANPTRS(IN,N,IPW,PW,IPPT,PPT,FPW,FPPT,FSORT) \
{ \
N = IN * miFindMaxBand(pGC->pCompositeClip); \
if(!(PW = (int *)ALLOCATE_LOCAL(N * sizeof(int)))) \
return; \
if(!(PPT = (DDXPointRec *)ALLOCATE_LOCAL(N * sizeof(DDXPointRec)))) \
{ \
DEALLOCATE_LOCAL(PW); \
return; \
} \
FPW = PW; \
FPPT = PPT; \
N = miClipSpans(pGC->pCompositeClip, IPPT, IPW, IN, \
PPT, PW, FSORT); \
}
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