]> git.sesse.net Git - rdpsrv/blobdiff - Xserver/programs/Xserver/cfb/cfbfillrct.c
Import X server from vnc-3.3.7.
[rdpsrv] / Xserver / programs / Xserver / cfb / cfbfillrct.c
diff --git a/Xserver/programs/Xserver/cfb/cfbfillrct.c b/Xserver/programs/Xserver/cfb/cfbfillrct.c
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+/*
+ * Fill rectangles.
+ */
+
+/*
+
+Copyright (c) 1989  X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+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
+X CONSORTIUM 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 X Consortium 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 X Consortium.
+*/
+
+/* $XConsortium: cfbfillrct.c,v 5.18 94/04/17 20:28:47 dpw Exp $ */
+/* $XFree86: xc/programs/Xserver/cfb/cfbfillrct.c,v 3.1.4.1 1997/05/10 07:02:48 hohndel Exp $ */
+
+#include "X.h"
+#include "Xmd.h"
+#include "servermd.h"
+#include "gcstruct.h"
+#include "window.h"
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+#include "windowstr.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)();
+
+    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)();
+    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 = priv->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 (!cfbGetGCPrivate(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 (!cfbGetGCPrivate(pGC)->pRotatedPixmap)
+           BoxFill = cfb8FillRectStippledUnnatural;
+       else
+           BoxFill = cfb8FillRectTransparentStippled32;
+       break;
+    case FillOpaqueStippled:
+       if (!cfbGetGCPrivate(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)ALLOCATE_LOCAL(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)
+       DEALLOCATE_LOCAL(pboxClippedBase);
+}