124 lines
3.8 KiB
C
124 lines
3.8 KiB
C
/*
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*
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* Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
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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 "scrnintstr.h"
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#include "gcstruct.h"
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#include "pixmapstr.h"
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#include "windowstr.h"
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#include "mi.h"
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#include "picturestr.h"
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#include "mipict.h"
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static void
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miColorRects(PicturePtr pDst,
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PicturePtr pClipPict,
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xRenderColor * color,
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int nRect, xRectangle *rects, int xoff, int yoff)
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{
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CARD32 pixel;
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GCPtr pGC;
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ChangeGCVal tmpval[5];
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RegionPtr pClip;
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unsigned long mask;
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miRenderColorToPixel(pDst->pFormat, color, &pixel);
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pGC = GetScratchGC(pDst->pDrawable->depth, pDst->pDrawable->pScreen);
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if (!pGC)
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return;
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tmpval[0].val = GXcopy;
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tmpval[1].val = pixel;
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tmpval[2].val = pDst->subWindowMode;
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mask = GCFunction | GCForeground | GCSubwindowMode;
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if (pClipPict->clientClip) {
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tmpval[3].val = pDst->clipOrigin.x - xoff;
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tmpval[4].val = pDst->clipOrigin.y - yoff;
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mask |= GCClipXOrigin | GCClipYOrigin;
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pClip = RegionCreate(NULL, 1);
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RegionCopy(pClip, (RegionPtr) pClipPict->clientClip);
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(*pGC->funcs->ChangeClip) (pGC, CT_REGION, pClip, 0);
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}
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ChangeGC(NullClient, pGC, mask, tmpval);
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ValidateGC(pDst->pDrawable, pGC);
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if (xoff || yoff) {
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int i;
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for (i = 0; i < nRect; i++) {
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rects[i].x -= xoff;
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rects[i].y -= yoff;
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}
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}
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(*pGC->ops->PolyFillRect) (pDst->pDrawable, pGC, nRect, rects);
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if (xoff || yoff) {
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int i;
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for (i = 0; i < nRect; i++) {
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rects[i].x += xoff;
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rects[i].y += yoff;
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}
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}
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FreeScratchGC(pGC);
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}
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void
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miCompositeRects(CARD8 op,
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PicturePtr pDst,
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xRenderColor * color, int nRect, xRectangle *rects)
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{
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if (color->alpha == 0xffff) {
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if (op == PictOpOver)
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op = PictOpSrc;
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}
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if (op == PictOpClear)
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color->red = color->green = color->blue = color->alpha = 0;
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if (op == PictOpSrc || op == PictOpClear) {
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miColorRects(pDst, pDst, color, nRect, rects, 0, 0);
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if (pDst->alphaMap)
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miColorRects(pDst->alphaMap, pDst,
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color, nRect, rects,
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pDst->alphaOrigin.x, pDst->alphaOrigin.y);
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}
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else {
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int error;
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PicturePtr pSrc = CreateSolidPicture(0, color, &error);
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if (pSrc) {
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while (nRect--) {
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CompositePicture(op, pSrc, 0, pDst, 0, 0, 0, 0,
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rects->x, rects->y,
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rects->width, rects->height);
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rects++;
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}
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FreePicture((void *) pSrc, 0);
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}
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}
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}
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