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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);
}
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