2006-11-26 11:13:41 -07:00
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/*
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* Copyright © 1998 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include "fb.h"
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void
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fbSetSpans (DrawablePtr pDrawable,
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GCPtr pGC,
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char *src,
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DDXPointPtr ppt,
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int *pwidth,
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int nspans,
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int fSorted)
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{
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FbGCPrivPtr pPriv = fbGetGCPrivate (pGC);
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RegionPtr pClip = fbGetCompositeClip(pGC);
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FbBits *dst, *d, *s;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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BoxPtr pbox;
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int n;
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int xoff;
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int x1, x2;
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if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth))
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{
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fb24_32SetSpans (pDrawable, pGC, src, ppt, pwidth, nspans, fSorted);
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return;
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}
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fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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while (nspans--)
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{
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d = dst + (ppt->y + dstYoff) * dstStride;
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xoff = (int) (((long) src) & (FB_MASK >> 3));
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s = (FbBits *) (src - xoff);
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xoff <<= 3;
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2010-12-05 08:36:02 -07:00
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n = RegionNumRects(pClip);
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pbox = RegionRects (pClip);
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2006-11-26 11:13:41 -07:00
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while (n--)
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{
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if (pbox->y1 > ppt->y)
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break;
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if (pbox->y2 > ppt->y)
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{
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x1 = ppt->x;
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x2 = x1 + *pwidth;
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if (pbox->x1 > x1)
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x1 = pbox->x1;
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if (pbox->x2 < x2)
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x2 = pbox->x2;
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if (x1 < x2)
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fbBlt ((FbBits *) s,
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0,
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(x1 - ppt->x) * dstBpp + xoff,
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d,
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dstStride,
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(x1 + dstXoff) * dstBpp,
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(x2 - x1) * dstBpp,
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1,
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pGC->alu,
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pPriv->pm,
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dstBpp,
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FALSE,
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FALSE);
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}
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}
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src += PixmapBytePad (*pwidth, pDrawable->depth);
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ppt++;
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pwidth++;
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}
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fbValidateDrawable (pDrawable);
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2007-11-24 10:55:21 -07:00
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fbFinishAccess (pDrawable);
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2006-11-26 11:13:41 -07:00
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}
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