#include "X.h"
#include "Xprotostr.h"
#include "pixmapstr.h"
#include "gcstruct.h"
#include "windowstr.h"
#include "miscstruct.h"
#include "regionstr.h"
#include "scrnintstr.h"
#include "ilbm.h"
#include "maskbits.h"
#define MODEQ(a, b) ((a) %= (b))
void ilbmPaintOddSize();
#define NUM_STACK_RECTS 1024
void
ilbmPolyFillRect(pDrawable, pGC, nrectFill, prectInit)
DrawablePtr pDrawable;
GCPtr pGC;
int nrectFill;
xRectangle *prectInit;
{
xRectangle *prect;
RegionPtr prgnClip;
register BoxPtr pbox;
register BoxPtr pboxClipped;
BoxPtr pboxClippedBase;
BoxPtr pextent;
BoxRec stackRects[NUM_STACK_RECTS];
int numRects;
int n;
int xorg, yorg;
ilbmPrivGC *priv;
PixmapPtr ppix;
unsigned char *rrops;
unsigned char *rropsOS;
priv = (ilbmPrivGC *)pGC->devPrivates[ilbmGCPrivateIndex].ptr;
ppix = pGC->pRotatedPixmap;
prgnClip = pGC->pCompositeClip;
rrops = priv->rrops;
rropsOS = priv->rropOS;
prect = prectInit;
xorg = pDrawable->x;
yorg = pDrawable->y;
if (xorg || yorg) {
prect = prectInit;
n = nrectFill;
Duff(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);
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++;
if (pboxClipped->x1 < pboxClipped->x2 &&
pboxClipped->y1 < pboxClipped->y2)
pboxClipped++;
}
}
}
if (pboxClipped != pboxClippedBase) {
switch (pGC->fillStyle) {
case FillSolid:
ilbmSolidFillArea(pDrawable, pboxClipped-pboxClippedBase,
pboxClippedBase, rrops);
break;
case FillTiled:
switch (pGC->alu) {
case GXcopy:
if (pGC->pRotatedPixmap)
ilbmTileAreaPPWCopy(pDrawable, pboxClipped-pboxClippedBase,
pboxClippedBase, GXcopy,
pGC->pRotatedPixmap, pGC->planemask);
else
ilbmTileAreaCopy(pDrawable, pboxClipped-pboxClippedBase,
pboxClippedBase, GXcopy, pGC->tile.pixmap,
pGC->patOrg.x, pGC->patOrg.y,
pGC->planemask);
break;
default:
if (pGC->pRotatedPixmap)
ilbmTileAreaPPWGeneral(pDrawable, pboxClipped-pboxClippedBase,
pboxClippedBase, pGC->alu,
pGC->pRotatedPixmap,
pGC->planemask);
else
ilbmTileAreaGeneral(pDrawable, pboxClipped-pboxClippedBase,
pboxClippedBase, pGC->alu,
pGC->tile.pixmap, pGC->patOrg.x,
pGC->patOrg.y, pGC->planemask);
break;
}
break;
case FillStippled:
if (pGC->pRotatedPixmap)
ilbmStippleAreaPPW(pDrawable, pboxClipped-pboxClippedBase,
pboxClippedBase, pGC->pRotatedPixmap, rrops);
else
ilbmStippleArea(pDrawable, pboxClipped-pboxClippedBase,
pboxClippedBase, pGC->stipple, pGC->patOrg.x,
pGC->patOrg.y, rrops);
break;
case FillOpaqueStippled:
switch (pGC->alu) {
case GXcopy:
if (pGC->pRotatedPixmap)
ilbmOpaqueStippleAreaPPWCopy(pDrawable,
pboxClipped-pboxClippedBase,
pboxClippedBase, GXcopy,
pGC->pRotatedPixmap, rropsOS,
pGC->planemask);
else
ilbmOpaqueStippleAreaCopy(pDrawable,
pboxClipped-pboxClippedBase,
pboxClippedBase, GXcopy,
pGC->stipple, pGC->patOrg.x,
pGC->patOrg.y, rropsOS,
pGC->planemask);
break;
default:
if (pGC->pRotatedPixmap)
ilbmOpaqueStippleAreaPPWGeneral(pDrawable,
pboxClipped-pboxClippedBase,
pboxClippedBase, pGC->alu,
pGC->pRotatedPixmap,
rropsOS, pGC->planemask);
else
ilbmOpaqueStippleAreaGeneral(pDrawable,
pboxClipped-pboxClippedBase,
pboxClippedBase, pGC->alu,
pGC->stipple, pGC->patOrg.x,
pGC->patOrg.y, rropsOS,
pGC->planemask);
break;
}
break;
}
}
if (pboxClippedBase != stackRects)
DEALLOCATE_LOCAL(pboxClippedBase);
}