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author | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
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committer | marha <marha@users.sourceforge.net> | 2009-06-28 22:07:26 +0000 |
commit | 3562e78743202e43aec8727005182a2558117eca (patch) | |
tree | 8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/mfb/mfbfillarc.c | |
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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/mfb/mfbfillarc.c')
-rw-r--r-- | xorg-server/mfb/mfbfillarc.c | 334 |
1 files changed, 334 insertions, 0 deletions
diff --git a/xorg-server/mfb/mfbfillarc.c b/xorg-server/mfb/mfbfillarc.c new file mode 100644 index 000000000..cbf47a0eb --- /dev/null +++ b/xorg-server/mfb/mfbfillarc.c @@ -0,0 +1,334 @@ +/************************************************************ + +Copyright 1989, 1998 The Open Group + +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. + +The above copyright notice and this permission notice shall be included in +all copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN +AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN +CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + +Except as contained in this notice, the name of The Open Group shall not be +used in advertising or otherwise to promote the sale, use or other dealings +in this Software without prior written authorization from The Open Group. + +********************************************************/ + + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <limits.h> + +#include <X11/X.h> +#include <X11/Xprotostr.h> +#include "regionstr.h" +#include "gcstruct.h" +#include "pixmapstr.h" +#include "scrnintstr.h" +#include "mfb.h" +#include "maskbits.h" +#include "mifillarc.h" +#include "mi.h" + +static void +mfbFillEllipseSolid( + DrawablePtr pDraw, + xArc *arc, + register int rop) +{ + int x, y, e; + int yk, xk, ym, xm, dx, dy, xorg, yorg; + register int slw; + miFillArcRec info; + PixelType *addrlt, *addrlb; + register PixelType *addrl; + register int n; + int nlwidth; + register int xpos; + PixelType startmask, endmask; + int nlmiddle; + + mfbGetPixelWidthAndPointer(pDraw, nlwidth, addrlt); + miFillArcSetup(arc, &info); + MIFILLARCSETUP(); + xorg += pDraw->x; + yorg += pDraw->y; + addrlb = addrlt; + addrlt += nlwidth * (yorg - y); + addrlb += nlwidth * (yorg + y + dy); + while (y) + { + addrlt += nlwidth; + addrlb -= nlwidth; + MIFILLARCSTEP(slw); + if (!slw) + continue; + xpos = xorg - x; + addrl = mfbScanlineOffset(addrlt, (xpos >> PWSH)); + if (((xpos & PIM) + slw) < PPW) + { + maskpartialbits(xpos, slw, startmask); + if (rop == RROP_BLACK) + *addrl &= ~startmask; + else if (rop == RROP_WHITE) + *addrl |= startmask; + else + *addrl ^= startmask; + if (miFillArcLower(slw)) + { + addrl = mfbScanlineOffset(addrlb, (xpos >> PWSH)); + if (rop == RROP_BLACK) + *addrl &= ~startmask; + else if (rop == RROP_WHITE) + *addrl |= startmask; + else + *addrl ^= startmask; + } + continue; + } + maskbits(xpos, slw, startmask, endmask, nlmiddle); + if (startmask) + { + if (rop == RROP_BLACK) + *addrl++ &= ~startmask; + else if (rop == RROP_WHITE) + *addrl++ |= startmask; + else + *addrl++ ^= startmask; + } + n = nlmiddle; + if (rop == RROP_BLACK) + while (n--) + *addrl++ = 0; + else if (rop == RROP_WHITE) + while (n--) + *addrl++ = ~0; + else + while (n--) + *addrl++ ^= ~0; + if (endmask) + { + if (rop == RROP_BLACK) + *addrl &= ~endmask; + else if (rop == RROP_WHITE) + *addrl |= endmask; + else + *addrl ^= endmask; + } + if (!miFillArcLower(slw)) + continue; + addrl = mfbScanlineOffset(addrlb, (xpos >> PWSH)); + if (startmask) + { + if (rop == RROP_BLACK) + *addrl++ &= ~startmask; + else if (rop == RROP_WHITE) + *addrl++ |= startmask; + else + *addrl++ ^= startmask; + } + n = nlmiddle; + if (rop == RROP_BLACK) + while (n--) + *addrl++ = 0; + else if (rop == RROP_WHITE) + while (n--) + *addrl++ = ~0; + else + while (n--) + *addrl++ ^= ~0; + if (endmask) + { + if (rop == RROP_BLACK) + *addrl &= ~endmask; + else if (rop == RROP_WHITE) + *addrl |= endmask; + else + *addrl ^= endmask; + } + } +} + +#define FILLSPAN(xl,xr,addr) \ + if (xr >= xl) \ + { \ + width = xr - xl + 1; \ + addrl = mfbScanlineOffset(addr, (xl >> PWSH)); \ + if (((xl & PIM) + width) < PPW) \ + { \ + maskpartialbits(xl, width, startmask); \ + if (rop == RROP_BLACK) \ + *addrl &= ~startmask; \ + else if (rop == RROP_WHITE) \ + *addrl |= startmask; \ + else \ + *addrl ^= startmask; \ + } \ + else \ + { \ + maskbits(xl, width, startmask, endmask, nlmiddle); \ + if (startmask) \ + { \ + if (rop == RROP_BLACK) \ + *addrl++ &= ~startmask; \ + else if (rop == RROP_WHITE) \ + *addrl++ |= startmask; \ + else \ + *addrl++ ^= startmask; \ + } \ + n = nlmiddle; \ + if (rop == RROP_BLACK) \ + while (n--) \ + *addrl++ = 0; \ + else if (rop == RROP_WHITE) \ + while (n--) \ + *addrl++ = ~0; \ + else \ + while (n--) \ + *addrl++ ^= ~0; \ + if (endmask) \ + { \ + if (rop == RROP_BLACK) \ + *addrl &= ~endmask; \ + else if (rop == RROP_WHITE) \ + *addrl |= endmask; \ + else \ + *addrl ^= endmask; \ + } \ + } \ + } + +#define FILLSLICESPANS(flip,addr) \ + if (!flip) \ + { \ + FILLSPAN(xl, xr, addr); \ + } \ + else \ + { \ + xc = xorg - x; \ + FILLSPAN(xc, xr, addr); \ + xc += slw - 1; \ + FILLSPAN(xl, xc, addr); \ + } + +static void +mfbFillArcSliceSolidCopy( + DrawablePtr pDraw, + GCPtr pGC, + xArc *arc, + register int rop) +{ + register PixelType *addrl; + register int n; + int yk, xk, ym, xm, dx, dy, xorg, yorg, slw; + register int x, y, e; + miFillArcRec info; + miArcSliceRec slice; + int xl, xr, xc; + PixelType *addrlt, *addrlb; + int nlwidth; + int width; + PixelType startmask, endmask; + int nlmiddle; + + mfbGetPixelWidthAndPointer(pDraw, nlwidth, addrlt); + miFillArcSetup(arc, &info); + miFillArcSliceSetup(arc, &slice, pGC); + MIFILLARCSETUP(); + xorg += pDraw->x; + yorg += pDraw->y; + addrlb = addrlt; + addrlt = mfbScanlineDeltaNoBankSwitch(addrlt, yorg - y, nlwidth); + addrlb = mfbScanlineDeltaNoBankSwitch(addrlb, yorg + y + dy, nlwidth); + slice.edge1.x += pDraw->x; + slice.edge2.x += pDraw->x; + while (y > 0) + { + mfbScanlineIncNoBankSwitch(addrlt, nlwidth); + mfbScanlineIncNoBankSwitch(addrlb, -nlwidth); + MIFILLARCSTEP(slw); + MIARCSLICESTEP(slice.edge1); + MIARCSLICESTEP(slice.edge2); + if (miFillSliceUpper(slice)) + { + MIARCSLICEUPPER(xl, xr, slice, slw); + FILLSLICESPANS(slice.flip_top, addrlt); + } + if (miFillSliceLower(slice)) + { + MIARCSLICELOWER(xl, xr, slice, slw); + FILLSLICESPANS(slice.flip_bot, addrlb); + } + } +} + +void +mfbPolyFillArcSolid(pDraw, pGC, narcs, parcs) + register DrawablePtr pDraw; + GCPtr pGC; + int narcs; + xArc *parcs; +{ + mfbPrivGC *priv; + register xArc *arc; + register int i; + BoxRec box; + int x2, y2; + RegionPtr cclip; + int rop; + + priv = (mfbPrivGC *)dixLookupPrivate(&pGC->devPrivates, + mfbGetGCPrivateKey()); + rop = priv->rop; + if ((rop == RROP_NOP) || !(pGC->planemask & 1)) + return; + cclip = pGC->pCompositeClip; + for (arc = parcs, i = narcs; --i >= 0; arc++) + { + if (miFillArcEmpty(arc)) + continue; + if (miCanFillArc(arc)) + { + box.x1 = arc->x + pDraw->x; + box.y1 = arc->y + pDraw->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)arc->width + 1; + box.x2 = x2; + y2 = box.y1 + (int)arc->height + 1; + box.y2 = y2; + if ( (x2 <= SHRT_MAX) && (y2 <= SHRT_MAX) && + (RECT_IN_REGION(pDraw->pScreen, cclip, &box) == rgnIN) ) + { + if ((arc->angle2 >= FULLCIRCLE) || + (arc->angle2 <= -FULLCIRCLE)) + mfbFillEllipseSolid(pDraw, arc, rop); + else + mfbFillArcSliceSolidCopy(pDraw, pGC, arc, rop); + continue; + } + } + miPolyFillArc(pDraw, pGC, 1, arc); + } +} |