122 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
/*
 | 
						|
 *
 | 
						|
 * Copyright © 2000 Keith Packard, member of The XFree86 Project, Inc.
 | 
						|
 *
 | 
						|
 * Permission to use, copy, modify, distribute, and sell this software and its
 | 
						|
 * documentation for any purpose is hereby granted without fee, 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 Keith Packard not be used in
 | 
						|
 * advertising or publicity pertaining to distribution of the software without
 | 
						|
 * specific, written prior permission.  Keith Packard makes no
 | 
						|
 * representations about the suitability of this software for any purpose.  It
 | 
						|
 * is provided "as is" without express or implied warranty.
 | 
						|
 *
 | 
						|
 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 | 
						|
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 | 
						|
 * EVENT SHALL KEITH PACKARD 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.
 | 
						|
 */
 | 
						|
 | 
						|
#include <dix-config.h>
 | 
						|
 | 
						|
#include "scrnintstr.h"
 | 
						|
#include "gcstruct.h"
 | 
						|
#include "pixmapstr.h"
 | 
						|
#include "windowstr.h"
 | 
						|
#include "mi.h"
 | 
						|
#include "picturestr.h"
 | 
						|
#include "mipict.h"
 | 
						|
 | 
						|
static void
 | 
						|
miColorRects(PicturePtr pDst,
 | 
						|
             PicturePtr pClipPict,
 | 
						|
             xRenderColor * color,
 | 
						|
             int nRect, xRectangle *rects, int xoff, int yoff)
 | 
						|
{
 | 
						|
    CARD32 pixel;
 | 
						|
    GCPtr pGC;
 | 
						|
    ChangeGCVal tmpval[5];
 | 
						|
    RegionPtr pClip;
 | 
						|
    unsigned long mask;
 | 
						|
 | 
						|
    miRenderColorToPixel(pDst->pFormat, color, &pixel);
 | 
						|
 | 
						|
    pGC = GetScratchGC(pDst->pDrawable->depth, pDst->pDrawable->pScreen);
 | 
						|
    if (!pGC)
 | 
						|
        return;
 | 
						|
    tmpval[0].val = GXcopy;
 | 
						|
    tmpval[1].val = pixel;
 | 
						|
    tmpval[2].val = pDst->subWindowMode;
 | 
						|
    mask = GCFunction | GCForeground | GCSubwindowMode;
 | 
						|
    if (pClipPict->clientClip) {
 | 
						|
        tmpval[3].val = pDst->clipOrigin.x - xoff;
 | 
						|
        tmpval[4].val = pDst->clipOrigin.y - yoff;
 | 
						|
        mask |= GCClipXOrigin | GCClipYOrigin;
 | 
						|
 | 
						|
        pClip = RegionCreate(NULL, 1);
 | 
						|
        RegionCopy(pClip, (RegionPtr) pClipPict->clientClip);
 | 
						|
        (*pGC->funcs->ChangeClip) (pGC, CT_REGION, pClip, 0);
 | 
						|
    }
 | 
						|
 | 
						|
    ChangeGC(NullClient, pGC, mask, tmpval);
 | 
						|
    ValidateGC(pDst->pDrawable, pGC);
 | 
						|
    if (xoff || yoff) {
 | 
						|
        int i;
 | 
						|
 | 
						|
        for (i = 0; i < nRect; i++) {
 | 
						|
            rects[i].x -= xoff;
 | 
						|
            rects[i].y -= yoff;
 | 
						|
        }
 | 
						|
    }
 | 
						|
    (*pGC->ops->PolyFillRect) (pDst->pDrawable, pGC, nRect, rects);
 | 
						|
    if (xoff || yoff) {
 | 
						|
        int i;
 | 
						|
 | 
						|
        for (i = 0; i < nRect; i++) {
 | 
						|
            rects[i].x += xoff;
 | 
						|
            rects[i].y += yoff;
 | 
						|
        }
 | 
						|
    }
 | 
						|
    FreeScratchGC(pGC);
 | 
						|
}
 | 
						|
 | 
						|
void
 | 
						|
miCompositeRects(CARD8 op,
 | 
						|
                 PicturePtr pDst,
 | 
						|
                 xRenderColor * color, int nRect, xRectangle *rects)
 | 
						|
{
 | 
						|
    if (color->alpha == 0xffff) {
 | 
						|
        if (op == PictOpOver)
 | 
						|
            op = PictOpSrc;
 | 
						|
    }
 | 
						|
    if (op == PictOpClear)
 | 
						|
        color->red = color->green = color->blue = color->alpha = 0;
 | 
						|
 | 
						|
    if (op == PictOpSrc || op == PictOpClear) {
 | 
						|
        miColorRects(pDst, pDst, color, nRect, rects, 0, 0);
 | 
						|
        if (pDst->alphaMap)
 | 
						|
            miColorRects(pDst->alphaMap, pDst,
 | 
						|
                         color, nRect, rects,
 | 
						|
                         pDst->alphaOrigin.x, pDst->alphaOrigin.y);
 | 
						|
    }
 | 
						|
    else {
 | 
						|
        int error;
 | 
						|
        PicturePtr pSrc = CreateSolidPicture(0, color, &error);
 | 
						|
 | 
						|
        if (pSrc) {
 | 
						|
            while (nRect--) {
 | 
						|
                CompositePicture(op, pSrc, 0, pDst, 0, 0, 0, 0,
 | 
						|
                                 rects->x, rects->y,
 | 
						|
                                 rects->width, rects->height);
 | 
						|
                rects++;
 | 
						|
            }
 | 
						|
 | 
						|
            FreePicture((void *) pSrc, 0);
 | 
						|
        }
 | 
						|
    }
 | 
						|
}
 |