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/*
* Id: fbfill.c,v 1.1 1999/11/02 03:54:45 keithp Exp $
*
* Copyright © 1998 Keith Packard
*
* 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, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* $XFree86: xc/programs/Xserver/fb/fbfill.c,v 1.5 2003/01/29 00:43:33 torrey Exp $ */
#include "fb.h"
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 + dstXoff),
pGC->patOrg.y + pDrawable->y + dstYoff - 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 + dstYoff) * dstStride,
dstStride,
(x + dstXoff) * dstBpp,
dstBpp,
width * dstBpp, height,
stip,
stipStride,
stipWidth,
stipHeight,
pPriv->evenStipple,
fgand, fgxor,
bgand, bgxor,
pGC->patOrg.x + pDrawable->x + dstXoff,
pGC->patOrg.y + pDrawable->y + dstYoff - 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 + dstXoff) * dstBpp,
pGC->patOrg.y + pDrawable->y + dstYoff - y);
break;
}
}
fbValidateDrawable (pDrawable);
}
void
fbSolidBoxClipped (DrawablePtr pDrawable,
RegionPtr pClip,
int x1,
int y1,
int x2,
int y2,
FbBits and,
FbBits xor)
{
FbBits *dst;
FbStride dstStride;
int dstBpp;
int dstXoff, dstYoff;
BoxPtr pbox;
int nbox;
int partX1, partX2, partY1, partY2;
fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
for (nbox = REGION_NUM_RECTS(pClip), pbox = REGION_RECTS(pClip);
nbox--;
pbox++)
{
partX1 = pbox->x1;
if (partX1 < x1)
partX1 = x1;
partX2 = pbox->x2;
if (partX2 > x2)
partX2 = x2;
if (partX2 <= partX1)
continue;
partY1 = pbox->y1;
if (partY1 < y1)
partY1 = y1;
partY2 = pbox->y2;
if (partY2 > y2)
partY2 = y2;
if (partY2 <= partY1)
continue;
fbSolid (dst + (partY1 + dstYoff) * dstStride,
dstStride,
(partX1 + dstXoff) * dstBpp,
dstBpp,
(partX2 - partX1) * dstBpp,
(partY2 - partY1),
and, xor);
}
}
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