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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/mfbclip.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/mfb/mfbclip.c')
-rw-r--r-- | xorg-server/mfb/mfbclip.c | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/xorg-server/mfb/mfbclip.c b/xorg-server/mfb/mfbclip.c new file mode 100644 index 000000000..48e532aa8 --- /dev/null +++ b/xorg-server/mfb/mfbclip.c @@ -0,0 +1,280 @@ +/*********************************************************** + +Copyright 1987, 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. + + +Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. + + All Rights Reserved + +Permission to use, copy, modify, and distribute this software and its +documentation for any purpose and without fee is hereby granted, +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 Digital not be +used in advertising or publicity pertaining to distribution of the +software without specific, written prior permission. + +DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING +ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL +DIGITAL 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 <stdlib.h> + +#include <X11/X.h> +#include "regionstr.h" +#include "pixmapstr.h" +#include "scrnintstr.h" +#include "regionstr.h" +#include "gc.h" +#include "maskbits.h" +#include "mi.h" +#include "mfb.h" + +#define ADDRECT(reg,r,fr,rx1,ry1,rx2,ry2) \ +if (((rx1) < (rx2)) && ((ry1) < (ry2)) && \ + (!((reg)->data->numRects && \ + ((r-1)->y1 == (ry1)) && \ + ((r-1)->y2 == (ry2)) && \ + ((r-1)->x1 <= (rx1)) && \ + ((r-1)->x2 >= (rx2))))) \ +{ \ + if ((reg)->data->numRects == (reg)->data->size) \ + { \ + miRectAlloc(reg, 1); \ + fr = REGION_BOXPTR(reg); \ + r = fr + (reg)->data->numRects; \ + } \ + r->x1 = (rx1); \ + r->y1 = (ry1); \ + r->x2 = (rx2); \ + r->y2 = (ry2); \ + (reg)->data->numRects++; \ + if(r->x1 < (reg)->extents.x1) \ + (reg)->extents.x1 = r->x1; \ + if(r->x2 > (reg)->extents.x2) \ + (reg)->extents.x2 = r->x2; \ + r++; \ +} + +/* Convert bitmap clip mask into clipping region. + * First, goes through each line and makes boxes by noting the transitions + * from 0 to 1 and 1 to 0. + * Then it coalesces the current line with the previous if they have boxes + * at the same X coordinates. + */ +RegionPtr +mfbPixmapToRegion(pPix) + PixmapPtr pPix; +{ + register RegionPtr pReg; + register PixelType *pw, w; + register int ib; + int width, h, base, rx1 = 0, crects; + PixelType *pwLineEnd; + int irectPrevStart, irectLineStart; + register BoxPtr prectO, prectN; + BoxPtr FirstRect, rects, prectLineStart; + Bool fInBox, fSame; + register PixelType mask0 = mask[0]; + PixelType *pwLine; + int nWidth; + + pReg = REGION_CREATE(pPix->drawable.pScreen, NULL, 1); + if(!pReg) + return NullRegion; + FirstRect = REGION_BOXPTR(pReg); + rects = FirstRect; + + pwLine = (PixelType *) pPix->devPrivate.ptr; + nWidth = pPix->devKind / PGSZB; + + width = pPix->drawable.width; + pReg->extents.x1 = width - 1; + pReg->extents.x2 = 0; + irectPrevStart = -1; + for(h = 0; h < pPix->drawable.height; h++) + { + pw = pwLine; + pwLine += nWidth; + irectLineStart = rects - FirstRect; + /* If the Screen left most bit of the word is set, we're starting in + * a box */ + if(*pw & mask0) + { + fInBox = TRUE; + rx1 = 0; + } + else + fInBox = FALSE; + /* Process all words which are fully in the pixmap */ + pwLineEnd = pw + (width >> PWSH); + for (base = 0; pw < pwLineEnd; base += PPW) + { + w = *pw++; + if (fInBox) + { + if (!~w) + continue; + } + else + { + if (!w) + continue; + } + for(ib = 0; ib < PPW; ib++) + { + /* If the Screen left most bit of the word is set, we're + * starting a box */ + if(w & mask0) + { + if(!fInBox) + { + rx1 = base + ib; + /* start new box */ + fInBox = TRUE; + } + } + else + { + if(fInBox) + { + /* end box */ + ADDRECT(pReg, rects, FirstRect, + rx1, h, base + ib, h + 1); + fInBox = FALSE; + } + } + /* Shift the word VISUALLY left one. */ + w = SCRLEFT(w, 1); + } + } + if(width & PIM) + { + /* Process final partial word on line */ + w = *pw++; + for(ib = 0; ib < (width & PIM); ib++) + { + /* If the Screen left most bit of the word is set, we're + * starting a box */ + if(w & mask0) + { + if(!fInBox) + { + rx1 = base + ib; + /* start new box */ + fInBox = TRUE; + } + } + else + { + if(fInBox) + { + /* end box */ + ADDRECT(pReg, rects, FirstRect, + rx1, h, base + ib, h + 1); + fInBox = FALSE; + } + } + /* Shift the word VISUALLY left one. */ + w = SCRLEFT(w, 1); + } + } + /* If scanline ended with last bit set, end the box */ + if(fInBox) + { + ADDRECT(pReg, rects, FirstRect, + rx1, h, base + (width & PIM), h + 1); + } + /* if all rectangles on this line have the same x-coords as + * those on the previous line, then add 1 to all the previous y2s and + * throw away all the rectangles from this line + */ + fSame = FALSE; + if(irectPrevStart != -1) + { + crects = irectLineStart - irectPrevStart; + if(crects == ((rects - FirstRect) - irectLineStart)) + { + prectO = FirstRect + irectPrevStart; + prectN = prectLineStart = FirstRect + irectLineStart; + fSame = TRUE; + while(prectO < prectLineStart) + { + if((prectO->x1 != prectN->x1) || (prectO->x2 != prectN->x2)) + { + fSame = FALSE; + break; + } + prectO++; + prectN++; + } + if (fSame) + { + prectO = FirstRect + irectPrevStart; + while(prectO < prectLineStart) + { + prectO->y2 += 1; + prectO++; + } + rects -= crects; + pReg->data->numRects -= crects; + } + } + } + if(!fSame) + irectPrevStart = irectLineStart; + } + if (!pReg->data->numRects) + pReg->extents.x1 = pReg->extents.x2 = 0; + else + { + pReg->extents.y1 = REGION_BOXPTR(pReg)->y1; + pReg->extents.y2 = REGION_END(pReg)->y2; + if (pReg->data->numRects == 1) + { + xfree(pReg->data); + pReg->data = (RegDataPtr)NULL; + } + } +#ifdef DEBUG + if (!miValidRegion(pReg)) + FatalError("Assertion failed file %s, line %d: expr\n", __FILE__, __LINE__); +#endif + return(pReg); +} + +mfbPixmapToRegionProc * +mfbPixmapToRegionWeak(void) +{ + return mfbPixmapToRegion; +} |