/*
* SafeAlphaFillRegionTiled
* Fill using a tile while leaving the alpha channel untouched.
* Based on fbfillRegionTiled.
*/
void
SafeAlphaFillRegionTiled(
DrawablePtr pDrawable,
RegionPtr pRegion,
PixmapPtr pTile)
{
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
FbBits *tile;
FbStride tileStride;
int tileBpp;
int tileXoff, tileYoff; /* XXX assumed to be zero */
int tileWidth, tileHeight;
int n = REGION_NUM_RECTS(pRegion);
BoxPtr pbox = REGION_RECTS(pRegion);
int xRot = pDrawable->x;
int yRot = pDrawable->y;
FbBits planeMask;
#ifdef PANORAMIX
if(!noPanoramiXExtension)
{
int index = pDrawable->pScreen->myNum;
if(&WindowTable[index]->drawable == pDrawable)
{
xRot -= panoramiXdataPtr[index].x;
yRot -= panoramiXdataPtr[index].y;
}
}
#endif
fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
fbGetDrawable (&pTile->drawable, tile, tileStride, tileBpp,
tileXoff, tileYoff);
tileWidth = pTile->drawable.width;
tileHeight = pTile->drawable.height;
xRot += dstXoff;
yRot += dstYoff;
planeMask = FB_ALLONES & ~RootlessAlphaMask(dstBpp);
while (n--)
{
fbTile (dst + (pbox->y1 + dstYoff) * dstStride,
dstStride,
(pbox->x1 + dstXoff) * dstBpp,
(pbox->x2 - pbox->x1) * dstBpp,
pbox->y2 - pbox->y1,
tile,
tileStride,
tileWidth * dstBpp,
tileHeight,
GXcopy,
planeMask,
dstBpp,
xRot * dstBpp,
yRot - pbox->y1);
pbox++;
}
}
void
fbFill (DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
int width,
int height)
{
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
switch (pGC->fillStyle) {
case FillSolid:
fbSolid (dst + (y + dstYoff) * dstStride,
dstStride,
(x + dstXoff) * dstBpp,
dstBpp,
width * dstBpp, height,
pPriv->and, pPriv->xor);
break;
case FillStippled:
case FillOpaqueStippled: {
PixmapPtr pStip = pGC->stipple;
int stipWidth = pStip->drawable.width;
int stipHeight = pStip->drawable.height;
if (dstBpp == 1)
{
int alu;
FbBits *stip;
FbStride stipStride;
int stipBpp;
int stipXoff, stipYoff; /* XXX assumed to be zero */
if (pGC->fillStyle == FillStippled)
alu = FbStipple1Rop(pGC->alu,pGC->fgPixel);
else
alu = FbOpaqueStipple1Rop(pGC->alu,pGC->fgPixel,pGC->bgPixel);
fbGetDrawable (&pStip->drawable, stip, stipStride, stipBpp, stipXoff, stipYoff);
fbTile (dst + (y + dstYoff) * dstStride,
dstStride,
x + dstXoff,
width, height,
stip,
stipStride,
stipWidth,
stipHeight,
alu,
pPriv->pm,
dstBpp,
(pGC->patOrg.x + pDrawable->x),
pGC->patOrg.y + pDrawable->y - y);
}
else
{
FbStip *stip;
FbStride stipStride;
int stipBpp;
int stipXoff, stipYoff; /* XXX assumed to be zero */
FbBits fgand, fgxor, bgand, bgxor;
fgand = pPriv->and;
fgxor = pPriv->xor;
if (pGC->fillStyle == FillStippled)
{
bgand = fbAnd(GXnoop,(FbBits) 0,FB_ALLONES);
bgxor = fbXor(GXnoop,(FbBits) 0,FB_ALLONES);
}
else
{
bgand = pPriv->bgand;
bgxor = pPriv->bgxor;
}
fbGetStipDrawable (&pStip->drawable, stip, stipStride, stipBpp, stipXoff, stipYoff);
fbStipple (dst + y * dstStride,
dstStride,
x * dstBpp,
dstBpp,
width * dstBpp, height,
stip,
stipStride,
stipWidth,
stipHeight,
pPriv->evenStipple,
fgand, fgxor,
bgand, bgxor,
pGC->patOrg.x + pDrawable->x,
pGC->patOrg.y + pDrawable->y - y);
}
break;
}
case FillTiled: {
PixmapPtr pTile = pGC->tile.pixmap;
FbBits *tile;
FbStride tileStride;
int tileBpp;
int tileWidth;
int tileHeight;
int tileXoff, tileYoff; /* XXX assumed to be zero */
fbGetDrawable (&pTile->drawable, tile, tileStride, tileBpp, tileXoff, tileYoff);
tileWidth = pTile->drawable.width;
tileHeight = pTile->drawable.height;
fbTile (dst + (y + dstYoff) * dstStride,
dstStride,
(x + dstXoff) * dstBpp,
width * dstBpp, height,
tile,
tileStride,
tileWidth * tileBpp,
tileHeight,
pGC->alu,
pPriv->pm,
dstBpp,
(pGC->patOrg.x + pDrawable->x) * dstBpp,
pGC->patOrg.y + pDrawable->y - y);
break;
}
}
fbValidateDrawable (pDrawable);
}
