44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/*
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* Copyright IBM Corporation 1987,1988,1989
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*
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* All Rights Reserved
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*
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* Permission to use, copy, modify, and distribute this software and its
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* documentation for any purpose and without fee is hereby granted,
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* provided that the above copyright notice appear in all copies and that
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* both that copyright notice and this permission notice appear in
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* supporting documentation, and that the name of IBM not be
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* used in advertising or publicity pertaining to distribution of the
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* software without specific, written prior permission.
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*
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* IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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* ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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* IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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* ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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* ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*
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*/
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/* This screwy macro is used in all the spans routines and you find
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it all over the place, so it is a macro just to tidy things up.
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*/
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#define SETSPANPTRS(IN,N,IPW,PW,IPPT,PPT,FPW,FPPT,FSORT) \
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{ \
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N = IN * miFindMaxBand(pGC->pCompositeClip); \
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if(!(PW = (int *)xalloc(N * sizeof(int)))) \
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return; \
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if(!(PPT = (DDXPointRec *)xalloc(N * sizeof(DDXPointRec)))) \
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{ \
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free(PW); \
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return; \
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} \
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FPW = PW; \
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FPPT = PPT; \
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N = miClipSpans(pGC->pCompositeClip, IPPT, IPW, IN, \
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PPT, PW, FSORT); \
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}
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