/* * 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. */ #ifdef HAVE_DIX_CONFIG_H #include <dix-config.h> #endif #include "fb.h" void fbPushPattern (DrawablePtr pDrawable, GCPtr pGC, FbStip *src, FbStride srcStride, int srcX, int x, int y, int width, int height) { FbStip *s, bitsMask, bitsMask0, bits; int xspan; int w; int lenspan; src += srcX >> FB_STIP_SHIFT; srcX &= FB_STIP_MASK; bitsMask0 = FbStipMask (srcX, 1); while (height--) { bitsMask = bitsMask0; w = width; s = src; src += srcStride; bits = READ(s++); xspan = x; while (w) { if (bits & bitsMask) { lenspan = 0; do { lenspan++; if (lenspan == w) break; bitsMask = FbStipRight (bitsMask, 1); if (!bitsMask) { bits = READ(s++); bitsMask = FbBitsMask(0,1); } } while (bits & bitsMask); fbFill (pDrawable, pGC, xspan, y, lenspan, 1); xspan += lenspan; w -= lenspan; } else { do { w--; xspan++; if (!w) break; bitsMask = FbStipRight (bitsMask, 1); if (!bitsMask) { bits = READ(s++); bitsMask = FbBitsMask(0,1); } } while (!(bits & bitsMask)); } } y++; } } void fbPushFill (DrawablePtr pDrawable, GCPtr pGC, FbStip *src, FbStride srcStride, int srcX, int x, int y, int width, int height) { FbGCPrivPtr pPriv = fbGetGCPrivate(pGC); if (pGC->fillStyle == FillSolid) { FbBits *dst; FbStride dstStride; int dstBpp; int dstXoff, dstYoff; int dstX; int dstWidth; fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); dst = dst + (y + dstYoff) * dstStride; dstX = (x + dstXoff) * dstBpp; dstWidth = width * dstBpp; if (dstBpp == 1) { fbBltStip (src, srcStride, srcX, (FbStip *) dst, FbBitsStrideToStipStride (dstStride), dstX, dstWidth, height, FbStipple1Rop(pGC->alu,pGC->fgPixel), pPriv->pm, dstBpp); } else { fbBltOne (src, srcStride, srcX, dst, dstStride, dstX, dstBpp, dstWidth, height, pPriv->and, pPriv->xor, fbAnd(GXnoop,(FbBits) 0,FB_ALLONES), fbXor(GXnoop,(FbBits) 0,FB_ALLONES)); } fbFinishAccess (pDrawable); } else { fbPushPattern (pDrawable, pGC, src, srcStride, srcX, x, y, width, height); } } void fbPushImage (DrawablePtr pDrawable, GCPtr pGC, FbStip *src, FbStride srcStride, int srcX, int x, int y, int width, int height) { RegionPtr pClip = fbGetCompositeClip (pGC); int nbox; BoxPtr pbox; int x1, y1, x2, y2; for (nbox = RegionNumRects (pClip), pbox = RegionRects(pClip); nbox--; pbox++) { x1 = x; y1 = y; x2 = x + width; y2 = y + height; if (x1 < pbox->x1) x1 = pbox->x1; if (y1 < pbox->y1) y1 = pbox->y1; if (x2 > pbox->x2) x2 = pbox->x2; if (y2 > pbox->y2) y2 = pbox->y2; if (x1 >= x2 || y1 >= y2) continue; fbPushFill (pDrawable, pGC, src + (y1 - y) * srcStride, srcStride, srcX + (x1 - x), x1, y1, x2 - x1, y2 - y1); } } void fbPushPixels (GCPtr pGC, PixmapPtr pBitmap, DrawablePtr pDrawable, int dx, int dy, int xOrg, int yOrg) { FbStip *stip; FbStride stipStride; int stipBpp; int stipXoff, stipYoff; /* Assumed to be zero */ fbGetStipDrawable (&pBitmap->drawable, stip, stipStride, stipBpp, stipXoff, stipYoff); fbPushImage (pDrawable, pGC, stip, stipStride, 0, xOrg, yOrg, dx, dy); }