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