2b6a068d21
Unlike GetImage, for which the provided planemask restricts the data delivered, for PutImage in XYPixmap format, all of the planes in the drawable depth are sent and those outside the plane mask are simply ignored. Reviewed-by: Adam Jackson <ajax@redhat.com> Signed-off-by: Keith Packard <keithp@keithp.com>
279 lines
8.6 KiB
C
279 lines
8.6 KiB
C
/*
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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 <string.h>
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#include "fb.h"
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void
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fbPutImage(DrawablePtr pDrawable,
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GCPtr pGC,
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int depth,
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int x, int y, int w, int h, int leftPad, int format, char *pImage)
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{
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FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
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unsigned long i;
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FbStride srcStride;
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FbStip *src = (FbStip *) pImage;
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x += pDrawable->x;
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y += pDrawable->y;
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switch (format) {
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case XYBitmap:
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srcStride = BitmapBytePad(w + leftPad) / sizeof(FbStip);
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fbPutXYImage(pDrawable,
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fbGetCompositeClip(pGC),
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pPriv->fg,
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pPriv->bg,
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pPriv->pm,
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pGC->alu, TRUE, x, y, w, h, src, srcStride, leftPad);
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break;
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case XYPixmap:
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srcStride = BitmapBytePad(w + leftPad) / sizeof(FbStip);
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for (i = (unsigned long) 1 << (pDrawable->depth - 1); i; i >>= 1) {
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if (i & pGC->planemask) {
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fbPutXYImage(pDrawable,
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fbGetCompositeClip(pGC),
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FB_ALLONES,
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0,
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fbReplicatePixel(i, pDrawable->bitsPerPixel),
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pGC->alu,
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TRUE, x, y, w, h, src, srcStride, leftPad);
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}
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src += srcStride * h;
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}
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break;
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case ZPixmap:
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if (pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) {
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srcStride = PixmapBytePad(w, pDrawable->depth);
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fb24_32PutZImage(pDrawable,
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fbGetCompositeClip(pGC),
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pGC->alu,
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(FbBits) pGC->planemask,
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x, y, w, h, (CARD8 *) pImage, srcStride);
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}
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else {
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srcStride = PixmapBytePad(w, pDrawable->depth) / sizeof(FbStip);
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fbPutZImage(pDrawable,
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fbGetCompositeClip(pGC),
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pGC->alu, pPriv->pm, x, y, w, h, src, srcStride);
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}
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}
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}
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void
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fbPutZImage(DrawablePtr pDrawable,
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RegionPtr pClip,
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int alu,
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FbBits pm,
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int x,
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int y, int width, int height, FbStip * src, FbStride srcStride)
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{
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FbStip *dst;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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int nbox;
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BoxPtr pbox;
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int x1, y1, x2, y2;
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fbGetStipDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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for (nbox = RegionNumRects(pClip),
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pbox = RegionRects(pClip); nbox--; pbox++) {
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x1 = x;
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y1 = y;
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x2 = x + width;
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y2 = y + height;
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if (x1 < pbox->x1)
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x1 = pbox->x1;
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if (y1 < pbox->y1)
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y1 = pbox->y1;
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if (x2 > pbox->x2)
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x2 = pbox->x2;
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if (y2 > pbox->y2)
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y2 = pbox->y2;
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if (x1 >= x2 || y1 >= y2)
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continue;
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fbBltStip(src + (y1 - y) * srcStride,
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srcStride,
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(x1 - x) * dstBpp,
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dst + (y1 + dstYoff) * dstStride,
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dstStride,
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(x1 + dstXoff) * dstBpp,
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(x2 - x1) * dstBpp, (y2 - y1), alu, pm, dstBpp);
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}
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fbFinishAccess(pDrawable);
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}
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void
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fbPutXYImage(DrawablePtr pDrawable,
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RegionPtr pClip,
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FbBits fg,
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FbBits bg,
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FbBits pm,
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int alu,
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Bool opaque,
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int x,
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int y,
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int width, int height, FbStip * src, FbStride srcStride, int srcX)
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{
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FbBits *dst;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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int nbox;
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BoxPtr pbox;
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int x1, y1, x2, y2;
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FbBits fgand = 0, fgxor = 0, bgand = 0, bgxor = 0;
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fbGetDrawable(pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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if (dstBpp == 1) {
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if (opaque)
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alu = FbOpaqueStipple1Rop(alu, fg, bg);
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else
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alu = FbStipple1Rop(alu, fg);
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}
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else {
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fgand = fbAnd(alu, fg, pm);
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fgxor = fbXor(alu, fg, pm);
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if (opaque) {
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bgand = fbAnd(alu, bg, pm);
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bgxor = fbXor(alu, bg, pm);
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}
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else {
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bgand = fbAnd(GXnoop, (FbBits) 0, FB_ALLONES);
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bgxor = fbXor(GXnoop, (FbBits) 0, FB_ALLONES);
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}
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}
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for (nbox = RegionNumRects(pClip),
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pbox = RegionRects(pClip); nbox--; pbox++) {
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x1 = x;
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y1 = y;
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x2 = x + width;
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y2 = y + height;
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if (x1 < pbox->x1)
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x1 = pbox->x1;
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if (y1 < pbox->y1)
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y1 = pbox->y1;
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if (x2 > pbox->x2)
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x2 = pbox->x2;
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if (y2 > pbox->y2)
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y2 = pbox->y2;
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if (x1 >= x2 || y1 >= y2)
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continue;
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if (dstBpp == 1) {
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fbBltStip(src + (y1 - y) * srcStride,
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srcStride,
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(x1 - x) + srcX,
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(FbStip *) (dst + (y1 + dstYoff) * dstStride),
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FbBitsStrideToStipStride(dstStride),
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(x1 + dstXoff) * dstBpp,
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(x2 - x1) * dstBpp, (y2 - y1), alu, pm, dstBpp);
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}
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else {
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fbBltOne(src + (y1 - y) * srcStride,
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srcStride,
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(x1 - x) + srcX,
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dst + (y1 + dstYoff) * dstStride,
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dstStride,
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(x1 + dstXoff) * dstBpp,
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dstBpp,
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(x2 - x1) * dstBpp, (y2 - y1), fgand, fgxor, bgand, bgxor);
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}
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}
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fbFinishAccess(pDrawable);
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}
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void
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fbGetImage(DrawablePtr pDrawable,
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int x,
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int y,
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int w, int h, unsigned int format, unsigned long planeMask, char *d)
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{
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FbBits *src;
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FbStride srcStride;
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int srcBpp;
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int srcXoff, srcYoff;
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FbStip *dst;
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FbStride dstStride;
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/*
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* XFree86 DDX empties the root borderClip when the VT is
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* switched away; this checks for that case
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*/
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if (!fbDrawableEnabled(pDrawable))
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return;
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if (format == ZPixmap &&
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pDrawable->bitsPerPixel != BitsPerPixel(pDrawable->depth)) {
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fb24_32GetImage(pDrawable, x, y, w, h, format, planeMask, d);
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return;
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}
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fbGetDrawable(pDrawable, src, srcStride, srcBpp, srcXoff, srcYoff);
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x += pDrawable->x;
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y += pDrawable->y;
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dst = (FbStip *) d;
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if (format == ZPixmap || srcBpp == 1) {
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FbBits pm;
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pm = fbReplicatePixel(planeMask, srcBpp);
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dstStride = PixmapBytePad(w, pDrawable->depth);
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if (pm != FB_ALLONES)
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memset(d, 0, dstStride * h);
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dstStride /= sizeof(FbStip);
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fbBltStip((FbStip *) (src + (y + srcYoff) * srcStride),
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FbBitsStrideToStipStride(srcStride),
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(x + srcXoff) * srcBpp,
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dst, dstStride, 0, w * srcBpp, h, GXcopy, pm, srcBpp);
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}
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else {
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dstStride = BitmapBytePad(w) / sizeof(FbStip);
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fbBltPlane(src + (y + srcYoff) * srcStride,
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srcStride,
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(x + srcXoff) * srcBpp,
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srcBpp,
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dst,
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dstStride,
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0,
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w * srcBpp, h,
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fbAndStip(GXcopy, FB_STIP_ALLONES, FB_STIP_ALLONES),
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fbXorStip(GXcopy, FB_STIP_ALLONES, FB_STIP_ALLONES),
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fbAndStip(GXcopy, 0, FB_STIP_ALLONES),
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fbXorStip(GXcopy, 0, FB_STIP_ALLONES), planeMask);
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}
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fbFinishAccess(pDrawable);
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}
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