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-rw-r--r--xorg-server/cfb/cfbfillrct.c305
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diff --git a/xorg-server/cfb/cfbfillrct.c b/xorg-server/cfb/cfbfillrct.c
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+++ b/xorg-server/cfb/cfbfillrct.c
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+/*
+ * Fill rectangles.
+ */
+
+/*
+
+Copyright 1989, 1998 The Open Group
+
+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.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+*/
+
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xmd.h>
+#include "servermd.h"
+#include "gcstruct.h"
+#include "window.h"
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+#include "windowstr.h"
+#include "mi.h"
+#include "cfb.h"
+#include "cfbmskbits.h"
+#include "mergerop.h"
+
+
+void
+cfbFillBoxTileOdd (pDrawable, n, rects, tile, xrot, yrot)
+ DrawablePtr pDrawable;
+ int n;
+ BoxPtr rects;
+ PixmapPtr tile;
+ int xrot, yrot;
+{
+#if PSZ == 24
+ if (tile->drawable.width & 3)
+#else
+ if (tile->drawable.width & PIM)
+#endif
+ cfbFillBoxTileOddCopy (pDrawable, n, rects, tile, xrot, yrot, GXcopy, ~0L);
+ else
+ cfbFillBoxTile32sCopy (pDrawable, n, rects, tile, xrot, yrot, GXcopy, ~0L);
+}
+
+void
+cfbFillRectTileOdd (pDrawable, pGC, nBox, pBox)
+ DrawablePtr pDrawable;
+ GCPtr pGC;
+ int nBox;
+ BoxPtr pBox;
+{
+ int xrot, yrot;
+ void (*fill)(DrawablePtr, int, BoxPtr, PixmapPtr, int, int, int, unsigned long);
+
+ xrot = pDrawable->x + pGC->patOrg.x;
+ yrot = pDrawable->y + pGC->patOrg.y;
+#if PSZ == 24
+ if (pGC->tile.pixmap->drawable.width & 3)
+#else
+ if (pGC->tile.pixmap->drawable.width & PIM)
+#endif
+ {
+ fill = cfbFillBoxTileOddGeneral;
+ if ((pGC->planemask & PMSK) == PMSK)
+ {
+ if (pGC->alu == GXcopy)
+ fill = cfbFillBoxTileOddCopy;
+ }
+ }
+ else
+ {
+ fill = cfbFillBoxTile32sGeneral;
+ if ((pGC->planemask & PMSK) == PMSK)
+ {
+ if (pGC->alu == GXcopy)
+ fill = cfbFillBoxTile32sCopy;
+ }
+ }
+ (*fill) (pDrawable, nBox, pBox, pGC->tile.pixmap, xrot, yrot, pGC->alu, pGC->planemask);
+}
+
+#define NUM_STACK_RECTS 1024
+
+void
+cfbPolyFillRect(pDrawable, pGC, nrectFill, prectInit)
+ DrawablePtr pDrawable;
+ register GCPtr pGC;
+ int nrectFill; /* number of rectangles to fill */
+ xRectangle *prectInit; /* Pointer to first rectangle to fill */
+{
+ xRectangle *prect;
+ RegionPtr prgnClip;
+ register BoxPtr pbox;
+ register BoxPtr pboxClipped;
+ BoxPtr pboxClippedBase;
+ BoxPtr pextent;
+ BoxRec stackRects[NUM_STACK_RECTS];
+ cfbPrivGC *priv;
+ int numRects;
+ void (*BoxFill)(DrawablePtr, GCPtr, int, BoxPtr);
+ int n;
+ int xorg, yorg;
+
+#if PSZ != 8
+ if ((pGC->fillStyle == FillStippled) ||
+ (pGC->fillStyle == FillOpaqueStippled)) {
+ miPolyFillRect(pDrawable, pGC, nrectFill, prectInit);
+ return;
+ }
+#endif
+
+ priv = cfbGetGCPrivate(pGC);
+ prgnClip = pGC->pCompositeClip;
+
+ BoxFill = 0;
+ switch (pGC->fillStyle)
+ {
+ case FillSolid:
+ switch (priv->rop) {
+ case GXcopy:
+ BoxFill = cfbFillRectSolidCopy;
+ break;
+ case GXxor:
+ BoxFill = cfbFillRectSolidXor;
+ break;
+ default:
+ BoxFill = cfbFillRectSolidGeneral;
+ break;
+ }
+ break;
+ case FillTiled:
+ if (!pGC->pRotatedPixmap)
+ BoxFill = cfbFillRectTileOdd;
+ else
+ {
+ if (pGC->alu == GXcopy && (pGC->planemask & PMSK) == PMSK)
+ BoxFill = cfbFillRectTile32Copy;
+ else
+ BoxFill = cfbFillRectTile32General;
+ }
+ break;
+#if PSZ == 8
+ case FillStippled:
+ if (!pGC->pRotatedPixmap)
+ BoxFill = cfb8FillRectStippledUnnatural;
+ else
+ BoxFill = cfb8FillRectTransparentStippled32;
+ break;
+ case FillOpaqueStippled:
+ if (!pGC->pRotatedPixmap)
+ BoxFill = cfb8FillRectStippledUnnatural;
+ else
+ BoxFill = cfb8FillRectOpaqueStippled32;
+ break;
+#endif
+ }
+ prect = prectInit;
+ xorg = pDrawable->x;
+ yorg = pDrawable->y;
+ if (xorg || yorg)
+ {
+ prect = prectInit;
+ n = nrectFill;
+ while(n--)
+ {
+ prect->x += xorg;
+ prect->y += yorg;
+ prect++;
+ }
+ }
+
+ prect = prectInit;
+
+ numRects = REGION_NUM_RECTS(prgnClip) * nrectFill;
+ if (numRects > NUM_STACK_RECTS)
+ {
+ pboxClippedBase = (BoxPtr)xalloc(numRects * sizeof(BoxRec));
+ if (!pboxClippedBase)
+ return;
+ }
+ else
+ pboxClippedBase = stackRects;
+
+ pboxClipped = pboxClippedBase;
+
+ if (REGION_NUM_RECTS(prgnClip) == 1)
+ {
+ int x1, y1, x2, y2, bx2, by2;
+
+ pextent = REGION_RECTS(prgnClip);
+ x1 = pextent->x1;
+ y1 = pextent->y1;
+ x2 = pextent->x2;
+ y2 = pextent->y2;
+ while (nrectFill--)
+ {
+ if ((pboxClipped->x1 = prect->x) < x1)
+ pboxClipped->x1 = x1;
+
+ if ((pboxClipped->y1 = prect->y) < y1)
+ pboxClipped->y1 = y1;
+
+ bx2 = (int) prect->x + (int) prect->width;
+ if (bx2 > x2)
+ bx2 = x2;
+ pboxClipped->x2 = bx2;
+
+ by2 = (int) prect->y + (int) prect->height;
+ if (by2 > y2)
+ by2 = y2;
+ pboxClipped->y2 = by2;
+
+ prect++;
+ if ((pboxClipped->x1 < pboxClipped->x2) &&
+ (pboxClipped->y1 < pboxClipped->y2))
+ {
+ pboxClipped++;
+ }
+ }
+ }
+ else
+ {
+ int x1, y1, x2, y2, bx2, by2;
+
+ pextent = REGION_EXTENTS(pGC->pScreen, prgnClip);
+ x1 = pextent->x1;
+ y1 = pextent->y1;
+ x2 = pextent->x2;
+ y2 = pextent->y2;
+ while (nrectFill--)
+ {
+ BoxRec box;
+
+ if ((box.x1 = prect->x) < x1)
+ box.x1 = x1;
+
+ if ((box.y1 = prect->y) < y1)
+ box.y1 = y1;
+
+ bx2 = (int) prect->x + (int) prect->width;
+ if (bx2 > x2)
+ bx2 = x2;
+ box.x2 = bx2;
+
+ by2 = (int) prect->y + (int) prect->height;
+ if (by2 > y2)
+ by2 = y2;
+ box.y2 = by2;
+
+ prect++;
+
+ if ((box.x1 >= box.x2) || (box.y1 >= box.y2))
+ continue;
+
+ n = REGION_NUM_RECTS (prgnClip);
+ pbox = REGION_RECTS(prgnClip);
+
+ /* clip the rectangle to each box in the clip region
+ this is logically equivalent to calling Intersect()
+ */
+ while(n--)
+ {
+ pboxClipped->x1 = max(box.x1, pbox->x1);
+ pboxClipped->y1 = max(box.y1, pbox->y1);
+ pboxClipped->x2 = min(box.x2, pbox->x2);
+ pboxClipped->y2 = min(box.y2, pbox->y2);
+ pbox++;
+
+ /* see if clipping left anything */
+ if(pboxClipped->x1 < pboxClipped->x2 &&
+ pboxClipped->y1 < pboxClipped->y2)
+ {
+ pboxClipped++;
+ }
+ }
+ }
+ }
+ if (pboxClipped != pboxClippedBase)
+ (*BoxFill) (pDrawable, pGC,
+ pboxClipped-pboxClippedBase, pboxClippedBase);
+ if (pboxClippedBase != stackRects)
+ xfree(pboxClippedBase);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 23:56:58 +0000