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212
fb/fbfill.c
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212
fb/fbfill.c
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/*
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* Id: fbfill.c,v 1.1 1999/11/02 03:54:45 keithp Exp $
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*
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* Copyright © 1998 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $XFree86: xc/programs/Xserver/fb/fbfill.c,v 1.6 2003/01/31 00:01:45 torrey Exp $ */
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#include "fb.h"
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void
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fbFill (DrawablePtr pDrawable,
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GCPtr pGC,
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int x,
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int y,
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int width,
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int height)
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{
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FbBits *dst;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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FbGCPrivPtr pPriv = fbGetGCPrivate(pGC);
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fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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switch (pGC->fillStyle) {
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case FillSolid:
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fbSolid (dst + (y + dstYoff) * dstStride,
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dstStride,
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(x + dstXoff) * dstBpp,
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dstBpp,
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width * dstBpp, height,
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pPriv->and, pPriv->xor);
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break;
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case FillStippled:
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case FillOpaqueStippled: {
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PixmapPtr pStip = pGC->stipple;
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int stipWidth = pStip->drawable.width;
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int stipHeight = pStip->drawable.height;
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if (dstBpp == 1)
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{
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int alu;
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FbBits *stip;
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FbStride stipStride;
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int stipBpp;
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int stipXoff, stipYoff; /* XXX assumed to be zero */
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if (pGC->fillStyle == FillStippled)
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alu = FbStipple1Rop(pGC->alu,pGC->fgPixel);
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else
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alu = FbOpaqueStipple1Rop(pGC->alu,pGC->fgPixel,pGC->bgPixel);
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fbGetDrawable (&pStip->drawable, stip, stipStride, stipBpp, stipXoff, stipYoff);
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fbTile (dst + (y + dstYoff) * dstStride,
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dstStride,
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x + dstXoff,
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width, height,
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stip,
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stipStride,
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stipWidth,
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stipHeight,
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alu,
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pPriv->pm,
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dstBpp,
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(pGC->patOrg.x + pDrawable->x + dstXoff),
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pGC->patOrg.y + pDrawable->y + dstYoff - y);
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}
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else
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{
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FbStip *stip;
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FbStride stipStride;
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int stipBpp;
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int stipXoff, stipYoff; /* XXX assumed to be zero */
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FbBits fgand, fgxor, bgand, bgxor;
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fgand = pPriv->and;
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fgxor = pPriv->xor;
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if (pGC->fillStyle == FillStippled)
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{
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bgand = fbAnd(GXnoop,(FbBits) 0,FB_ALLONES);
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bgxor = fbXor(GXnoop,(FbBits) 0,FB_ALLONES);
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}
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else
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{
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bgand = pPriv->bgand;
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bgxor = pPriv->bgxor;
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}
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fbGetStipDrawable (&pStip->drawable, stip, stipStride, stipBpp, stipXoff, stipYoff);
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fbStipple (dst + (y + dstYoff) * dstStride,
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dstStride,
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(x + dstXoff) * dstBpp,
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dstBpp,
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width * dstBpp, height,
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stip,
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stipStride,
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stipWidth,
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stipHeight,
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pPriv->evenStipple,
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fgand, fgxor,
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bgand, bgxor,
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pGC->patOrg.x + pDrawable->x + dstXoff,
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pGC->patOrg.y + pDrawable->y + dstYoff - y);
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}
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break;
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}
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case FillTiled: {
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PixmapPtr pTile = pGC->tile.pixmap;
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FbBits *tile;
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FbStride tileStride;
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int tileBpp;
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int tileWidth;
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int tileHeight;
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int tileXoff, tileYoff; /* XXX assumed to be zero */
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fbGetDrawable (&pTile->drawable, tile, tileStride, tileBpp, tileXoff, tileYoff);
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tileWidth = pTile->drawable.width;
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tileHeight = pTile->drawable.height;
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fbTile (dst + (y + dstYoff) * dstStride,
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dstStride,
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(x + dstXoff) * dstBpp,
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width * dstBpp, height,
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tile,
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tileStride,
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tileWidth * tileBpp,
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tileHeight,
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pGC->alu,
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pPriv->pm,
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dstBpp,
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(pGC->patOrg.x + pDrawable->x + dstXoff) * dstBpp,
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pGC->patOrg.y + pDrawable->y + dstYoff - y);
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break;
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}
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}
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fbValidateDrawable (pDrawable);
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}
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void
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fbSolidBoxClipped (DrawablePtr pDrawable,
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RegionPtr pClip,
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int x1,
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int y1,
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int x2,
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int y2,
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FbBits and,
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FbBits xor)
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{
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FbBits *dst;
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FbStride dstStride;
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int dstBpp;
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int dstXoff, dstYoff;
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BoxPtr pbox;
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int nbox;
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int partX1, partX2, partY1, partY2;
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fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
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for (nbox = REGION_NUM_RECTS(pClip), pbox = REGION_RECTS(pClip);
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nbox--;
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pbox++)
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{
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partX1 = pbox->x1;
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if (partX1 < x1)
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partX1 = x1;
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partX2 = pbox->x2;
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if (partX2 > x2)
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partX2 = x2;
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if (partX2 <= partX1)
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continue;
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partY1 = pbox->y1;
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if (partY1 < y1)
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partY1 = y1;
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partY2 = pbox->y2;
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if (partY2 > y2)
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partY2 = y2;
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if (partY2 <= partY1)
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continue;
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fbSolid (dst + (partY1 + dstYoff) * dstStride,
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dstStride,
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(partX1 + dstXoff) * dstBpp,
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dstBpp,
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(partX2 - partX1) * dstBpp,
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(partY2 - partY1),
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and, xor);
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}
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}
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