diff options
author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
---|---|---|
committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/fb/fbarc.c | |
download | vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.gz vcxsrv-3562e78743202e43aec8727005182a2558117eca.tar.bz2 vcxsrv-3562e78743202e43aec8727005182a2558117eca.zip |
Checked in the following released items:
xkeyboard-config-1.4.tar.gz
ttf-bitstream-vera-1.10.tar.gz
font-alias-1.0.1.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sun-misc-1.0.0.tar.gz
font-sony-misc-1.0.0.tar.gz
font-schumacher-misc-1.0.0.tar.gz
font-mutt-misc-1.0.0.tar.gz
font-misc-misc-1.0.0.tar.gz
font-misc-meltho-1.0.0.tar.gz
font-micro-misc-1.0.0.tar.gz
font-jis-misc-1.0.0.tar.gz
font-isas-misc-1.0.0.tar.gz
font-dec-misc-1.0.0.tar.gz
font-daewoo-misc-1.0.0.tar.gz
font-cursor-misc-1.0.0.tar.gz
font-arabic-misc-1.0.0.tar.gz
font-winitzki-cyrillic-1.0.0.tar.gz
font-misc-cyrillic-1.0.0.tar.gz
font-cronyx-cyrillic-1.0.0.tar.gz
font-screen-cyrillic-1.0.1.tar.gz
font-xfree86-type1-1.0.1.tar.gz
font-adobe-utopia-type1-1.0.1.tar.gz
font-ibm-type1-1.0.0.tar.gz
font-bitstream-type1-1.0.0.tar.gz
font-bitstream-speedo-1.0.0.tar.gz
font-bh-ttf-1.0.0.tar.gz
font-bh-type1-1.0.0.tar.gz
font-bitstream-100dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz
font-bh-100dpi-1.0.0.tar.gz
font-adobe-utopia-100dpi-1.0.1.tar.gz
font-adobe-100dpi-1.0.0.tar.gz
font-util-1.0.1.tar.gz
font-bitstream-75dpi-1.0.0.tar.gz
font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz
font-adobe-utopia-75dpi-1.0.1.tar.gz
font-bh-75dpi-1.0.0.tar.gz
bdftopcf-1.0.1.tar.gz
font-adobe-75dpi-1.0.0.tar.gz
mkfontscale-1.0.6.tar.gz
openssl-0.9.8k.tar.gz
bigreqsproto-1.0.2.tar.gz
xtrans-1.2.2.tar.gz
resourceproto-1.0.2.tar.gz
inputproto-1.4.4.tar.gz
compositeproto-0.4.tar.gz
damageproto-1.1.0.tar.gz
zlib-1.2.3.tar.gz
xkbcomp-1.0.5.tar.gz
freetype-2.3.9.tar.gz
pthreads-w32-2-8-0-release.tar.gz
pixman-0.12.0.tar.gz
kbproto-1.0.3.tar.gz
evieext-1.0.2.tar.gz
fixesproto-4.0.tar.gz
recordproto-1.13.2.tar.gz
randrproto-1.2.2.tar.gz
scrnsaverproto-1.1.0.tar.gz
renderproto-0.9.3.tar.gz
xcmiscproto-1.1.2.tar.gz
fontsproto-2.0.2.tar.gz
xextproto-7.0.3.tar.gz
xproto-7.0.14.tar.gz
libXdmcp-1.0.2.tar.gz
libxkbfile-1.0.5.tar.gz
libfontenc-1.0.4.tar.gz
libXfont-1.3.4.tar.gz
libX11-1.1.5.tar.gz
libXau-1.0.4.tar.gz
libxcb-1.1.tar.gz
xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/fb/fbarc.c')
-rw-r--r-- | xorg-server/fb/fbarc.c | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/xorg-server/fb/fbarc.c b/xorg-server/fb/fbarc.c new file mode 100644 index 000000000..f89b81c52 --- /dev/null +++ b/xorg-server/fb/fbarc.c @@ -0,0 +1,147 @@ +/* + * 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" +#include "mizerarc.h" +#include <limits.h> + +typedef void (*FbArc) (FbBits *dst, + FbStride dstStride, + int dstBpp, + xArc *arc, + int dx, + int dy, + FbBits and, + FbBits xor); + +void +fbPolyArc (DrawablePtr pDrawable, + GCPtr pGC, + int narcs, + xArc *parcs) +{ + FbArc arc; + + if (pGC->lineWidth == 0) + { +#ifndef FBNOPIXADDR + arc = 0; + if (pGC->lineStyle == LineSolid && pGC->fillStyle == FillSolid) + { + switch (pDrawable->bitsPerPixel) + { + case 8: arc = fbArc8; break; + case 16: arc = fbArc16; break; +#ifdef FB_24BIT + case 24: arc = fbArc24; break; +#endif + case 32: arc = fbArc32; break; + } + } + if (arc) + { + FbGCPrivPtr pPriv = fbGetGCPrivate (pGC); + FbBits *dst; + FbStride dstStride; + int dstBpp; + int dstXoff, dstYoff; + BoxRec box; + int x2, y2; + RegionPtr cclip; + int wrapped = 0; + + cclip = fbGetCompositeClip (pGC); + fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff); +#ifdef FB_ACCESS_WRAPPER + wrapped = 1; +#endif + while (narcs--) + { + if (miCanZeroArc (parcs)) + { + box.x1 = parcs->x + pDrawable->x; + box.y1 = parcs->y + pDrawable->y; + /* + * Because box.x2 and box.y2 get truncated to 16 bits, and the + * RECT_IN_REGION test treats the resulting number as a signed + * integer, the RECT_IN_REGION test alone can go the wrong way. + * This can result in a server crash because the rendering + * routines in this file deal directly with cpu addresses + * of pixels to be stored, and do not clip or otherwise check + * that all such addresses are within their respective pixmaps. + * So we only allow the RECT_IN_REGION test to be used for + * values that can be expressed correctly in a signed short. + */ + x2 = box.x1 + (int)parcs->width + 1; + box.x2 = x2; + y2 = box.y1 + (int)parcs->height + 1; + box.y2 = y2; + if ( (x2 <= SHRT_MAX) && (y2 <= SHRT_MAX) && + (RECT_IN_REGION(pDrawable->pScreen, cclip, &box) == rgnIN) ) { +#ifdef FB_ACCESS_WRAPPER + if (!wrapped) { + fbPrepareAccess (pDrawable); + wrapped = 1; + } +#endif + (*arc) (dst, dstStride, dstBpp, + parcs, pDrawable->x + dstXoff, pDrawable->y + dstYoff, + pPriv->and, pPriv->xor); + } else { +#ifdef FB_ACCESS_WRAPPER + if (wrapped) { + fbFinishAccess (pDrawable); + wrapped = 0; + } +#endif + miZeroPolyArc(pDrawable, pGC, 1, parcs); + } + } + else { +#ifdef FB_ACCESS_WRAPPER + if (wrapped) { + fbFinishAccess (pDrawable); + wrapped = 0; + } +#endif + miPolyArc(pDrawable, pGC, 1, parcs); + } + parcs++; + } +#ifdef FB_ACCESS_WRAPPER + if (wrapped) { + fbFinishAccess (pDrawable); + wrapped = 0; + } +#endif + } + else +#endif + miZeroPolyArc (pDrawable, pGC, narcs, parcs); + } + else + miPolyArc (pDrawable, pGC, narcs, parcs); +} |