| 1 | /*
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| 2 | * Copyright IBM Corporation 1987,1988,1989
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| 3 | *
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| 4 | * All Rights Reserved
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| 5 | *
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| 6 | * Permission to use, copy, modify, and distribute this software and its
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| 7 | * documentation for any purpose and without fee is hereby granted,
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| 8 | * provided that the above copyright notice appear in all copies and that
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| 9 | * both that copyright notice and this permission notice appear in
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| 10 | * supporting documentation, and that the name of IBM not be
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| 11 | * used in advertising or publicity pertaining to distribution of the
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| 12 | * software without specific, written prior permission.
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| 13 | *
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| 14 | * IBM DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
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| 15 | * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
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| 16 | * IBM BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
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| 17 | * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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| 18 | * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
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| 19 | * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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| 20 | * SOFTWARE.
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| 21 | *
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| 22 | */
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| 23 | /* $XConsortium: ppcSpMcro.h /main/3 1996/02/21 17:58:36 kaleb $ */
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| 24 |
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| 25 | /* This screwy macro is used in all the spans routines and you find
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| 26 | it all over the place, so it is a macro just to tidy things up.
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| 27 | */
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| 28 |
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| 29 | #define SETSPANPTRS(IN,N,IPW,PW,IPPT,PPT,FPW,FPPT,FSORT) \
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| 30 | { \
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| 31 | N = IN * miFindMaxBand(pGC->pCompositeClip); \
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| 32 | if(!(PW = (int *)ALLOCATE_LOCAL(N * sizeof(int)))) \
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| 33 | return; \
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| 34 | if(!(PPT = (DDXPointRec *)ALLOCATE_LOCAL(N * sizeof(DDXPointRec)))) \
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| 35 | { \
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| 36 | DEALLOCATE_LOCAL(PW); \
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| 37 | return; \
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| 38 | } \
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| 39 | FPW = PW; \
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| 40 | FPPT = PPT; \
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| 41 | N = miClipSpans(pGC->pCompositeClip, IPPT, IPW, IN, \
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| 42 | PPT, PW, FSORT); \
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| 43 | }
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| 44 |
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