/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */ /*********************************************************** Copyright (c) 1987 X Consortium Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: 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 X CONSORTIUM 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 X Consortium 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 X Consortium. 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. ******************************************************************/ /* $XConsortium: mfb.h,v 5.31 94/04/17 20:28:15 dpw Exp $ */ /* Monochrome Frame Buffer definitions written by drewry, september 1986 */ #include "pixmap.h" #include "region.h" #include "gc.h" #include "colormap.h" #include "miscstruct.h" #include "mibstore.h" extern int InverseAlu[]; /* warning: PixelType definition duplicated in maskbits.h */ #ifndef PixelType #define PixelType unsigned long #endif /* PixelType */ /* mfbbitblt.c */ extern void mfbDoBitblt( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/ #endif ); extern RegionPtr mfbCopyArea( #if NeedFunctionPrototypes DrawablePtr /*pSrcDrawable*/, DrawablePtr /*pDstDrawable*/, GCPtr/*pGC*/, int /*srcx*/, int /*srcy*/, int /*width*/, int /*height*/, int /*dstx*/, int /*dsty*/ #endif ); extern Bool mfbRegisterCopyPlaneProc( #if NeedFunctionPrototypes ScreenPtr /*pScreen*/, RegionPtr (* /*proc*/)() #endif ); extern RegionPtr mfbCopyPlane( #if NeedFunctionPrototypes DrawablePtr /*pSrcDrawable*/, DrawablePtr /*pDstDrawable*/, GCPtr/*pGC*/, int /*srcx*/, int /*srcy*/, int /*width*/, int /*height*/, int /*dstx*/, int /*dsty*/, unsigned long /*plane*/ #endif ); /* mfbbltC.c */ extern void mfbDoBitbltCopy( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/ #endif ); /* mfbbltCI.c */ extern void mfbDoBitbltCopyInverted( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/ #endif ); /* mfbbltG.c */ extern void mfbDoBitbltGeneral( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/ #endif ); /* mfbbltO.c */ extern void mfbDoBitbltOr( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/ #endif ); /* mfbbltX.c */ extern void mfbDoBitbltXor( #if NeedFunctionPrototypes DrawablePtr /*pSrc*/, DrawablePtr /*pDst*/, int /*alu*/, RegionPtr /*prgnDst*/, DDXPointPtr /*pptSrc*/ #endif ); /* mfbbres.c */ extern void mfbBresS( #if NeedFunctionPrototypes int /*rop*/, PixelType * /*addrl*/, int /*nlwidth*/, int /*signdx*/, int /*signdy*/, int /*axis*/, int /*x1*/, int /*y1*/, int /*e*/, int /*e1*/, int /*e2*/, int /*len*/ #endif ); /* mfbbresd.c */ extern void mfbBresD( #if NeedFunctionPrototypes int /*fgrop*/, int /*bgrop*/, int * /*pdashIndex*/, unsigned char * /*pDash*/, int /*numInDashList*/, int * /*pdashOffset*/, int /*isDoubleDash*/, PixelType * /*addrl*/, int /*nlwidth*/, int /*signdx*/, int /*signdy*/, int /*axis*/, int /*x1*/, int /*y1*/, int /*e*/, int /*e1*/, int /*e2*/, int /*len*/ #endif ); /* mfbbstore.c */ extern void mfbSaveAreas( #if NeedFunctionPrototypes PixmapPtr /*pPixmap*/, RegionPtr /*prgnSave*/, int /*xorg*/, int /*yorg*/, WindowPtr /*pWin*/ #endif ); extern void mfbRestoreAreas( #if NeedFunctionPrototypes PixmapPtr /*pPixmap*/, RegionPtr /*prgnRestore*/, int /*xorg*/, int /*yorg*/, WindowPtr /*pWin*/ #endif ); /* mfbclip.c */ extern RegionPtr mfbPixmapToRegion( #if NeedFunctionPrototypes PixmapPtr /*pPix*/ #endif ); /* mfbcmap.c */ extern int mfbListInstalledColormaps( #if NeedFunctionPrototypes ScreenPtr /*pScreen*/, Colormap * /*pmaps*/ #endif ); extern void mfbInstallColormap( #if NeedFunctionPrototypes ColormapPtr /*pmap*/ #endif ); extern void mfbUninstallColormap( #if NeedFunctionPrototypes ColormapPtr /*pmap*/ #endif ); extern void mfbResolveColor( #if NeedFunctionPrototypes unsigned short * /*pred*/, unsigned short * /*pgreen*/, unsigned short * /*pblue*/, VisualPtr /*pVisual*/ #endif ); extern Bool mfbCreateColormap( #if NeedFunctionPrototypes ColormapPtr /*pMap*/ #endif ); extern void mfbDestroyColormap( #if NeedFunctionPrototypes ColormapPtr /*pMap*/ #endif ); extern Bool mfbCreateDefColormap( #if NeedFunctionPrototypes ScreenPtr /*pScreen*/ #endif ); /* mfbfillarc.c */ extern void mfbPolyFillArcSolid( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, GCPtr /*pGC*/, int /*narcs*/, xArc * /*parcs*/ #endif ); /* mfbfillrct.c */ extern void mfbPolyFillRect( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*nrectFill*/, xRectangle * /*prectInit*/ #endif ); /* mfbfillsp.c */ extern void mfbBlackSolidFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void mfbWhiteSolidFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void mfbInvertSolidFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void mfbWhiteStippleFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void mfbBlackStippleFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void mfbInvertStippleFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void mfbTileFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void mfbUnnaturalTileFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); extern void mfbUnnaturalStippleFS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*nInit*/, DDXPointPtr /*pptInit*/, int * /*pwidthInit*/, int /*fSorted*/ #endif ); /* mfbfont.c */ extern Bool mfbRealizeFont( #if NeedFunctionPrototypes ScreenPtr /*pscr*/, FontPtr /*pFont*/ #endif ); extern Bool mfbUnrealizeFont( #if NeedFunctionPrototypes ScreenPtr /*pscr*/, FontPtr /*pFont*/ #endif ); /* mfbgc.c */ extern Bool mfbCreateGC( #if NeedFunctionPrototypes GCPtr /*pGC*/ #endif ); extern void mfbValidateGC( #if NeedFunctionPrototypes GCPtr /*pGC*/, unsigned long /*changes*/, DrawablePtr /*pDrawable*/ #endif ); extern int mfbReduceRop( #if NeedFunctionPrototypes int /*alu*/, Pixel /*src*/ #endif ); /* mfbgetsp.c */ extern void mfbGetSpans( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, int /*wMax*/, DDXPointPtr /*ppt*/, int * /*pwidth*/, int /*nspans*/, char * /*pdstStart*/ #endif ); /* mfbhrzvert.c */ extern int mfbHorzS( #if NeedFunctionPrototypes int /*rop*/, PixelType * /*addrl*/, int /*nlwidth*/, int /*x1*/, int /*y1*/, int /*len*/ #endif ); extern int mfbVertS( #if NeedFunctionPrototypes int /*rop*/, PixelType * /*addrl*/, int /*nlwidth*/, int /*x1*/, int /*y1*/, int /*len*/ #endif ); /* mfbigbblak.c */ extern void mfbImageGlyphBltBlack( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*x*/, int /*y*/, unsigned int /*nglyph*/, CharInfoPtr * /*ppci*/, pointer /*pglyphBase*/ #endif ); /* mfbigbwht.c */ extern void mfbImageGlyphBltWhite( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*x*/, int /*y*/, unsigned int /*nglyph*/, CharInfoPtr * /*ppci*/, pointer /*pglyphBase*/ #endif ); /* mfbimage.c */ extern void mfbPutImage( #if NeedFunctionPrototypes DrawablePtr /*dst*/, GCPtr /*pGC*/, int /*depth*/, int /*x*/, int /*y*/, int /*w*/, int /*h*/, int /*leftPad*/, int /*format*/, char * /*pImage*/ #endif ); extern void mfbGetImage( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, int /*sx*/, int /*sy*/, int /*w*/, int /*h*/, unsigned int /*format*/, unsigned long /*planeMask*/, char * /*pdstLine*/ #endif ); /* mfbline.c */ extern void mfbLineSS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*mode*/, int /*npt*/, DDXPointPtr /*pptInit*/ #endif ); extern void mfbLineSD( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*mode*/, int /*npt*/, DDXPointPtr /*pptInit*/ #endif ); /* mfbmisc.c */ extern void mfbQueryBestSize( #if NeedFunctionPrototypes int /*class*/, unsigned short * /*pwidth*/, unsigned short * /*pheight*/, ScreenPtr /*pScreen*/ #endif ); /* mfbpablack.c */ extern void mfbSolidBlackArea( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*nop*/ #endif ); extern void mfbStippleBlackArea( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*pstipple*/ #endif ); /* mfbpainv.c */ extern void mfbSolidInvertArea( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*nop*/ #endif ); extern void mfbStippleInvertArea( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*pstipple*/ #endif ); /* mfbpawhite.c */ extern void mfbSolidWhiteArea( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*nop*/ #endif ); extern void mfbStippleWhiteArea( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*pstipple*/ #endif ); /* mfbpgbblak.c */ extern void mfbPolyGlyphBltBlack( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*x*/, int /*y*/, unsigned int /*nglyph*/, CharInfoPtr * /*ppci*/, pointer /*pglyphBase*/ #endif ); /* mfbpgbinv.c */ extern void mfbPolyGlyphBltInvert( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*x*/, int /*y*/, unsigned int /*nglyph*/, CharInfoPtr * /*ppci*/, pointer /*pglyphBase*/ #endif ); /* mfbpgbwht.c */ extern void mfbPolyGlyphBltWhite( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*x*/, int /*y*/, unsigned int /*nglyph*/, CharInfoPtr * /*ppci*/, pointer /*pglyphBase*/ #endif ); /* mfbpixmap.c */ extern PixmapPtr mfbCreatePixmap( #if NeedFunctionPrototypes ScreenPtr /*pScreen*/, int /*width*/, int /*height*/, int /*depth*/ #endif ); extern Bool mfbDestroyPixmap( #if NeedFunctionPrototypes PixmapPtr /*pPixmap*/ #endif ); extern PixmapPtr mfbCopyPixmap( #if NeedFunctionPrototypes PixmapPtr /*pSrc*/ #endif ); extern void mfbPadPixmap( #if NeedFunctionPrototypes PixmapPtr /*pPixmap*/ #endif ); extern void mfbXRotatePixmap( #if NeedFunctionPrototypes PixmapPtr /*pPix*/, int /*rw*/ #endif ); extern void mfbYRotatePixmap( #if NeedFunctionPrototypes PixmapPtr /*pPix*/, int /*rh*/ #endif ); extern void mfbCopyRotatePixmap( #if NeedFunctionPrototypes PixmapPtr /*psrcPix*/, PixmapPtr * /*ppdstPix*/, int /*xrot*/, int /*yrot*/ #endif ); /* mfbplyblack.c */ extern void mfbFillPolyBlack( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*shape*/, int /*mode*/, int /*count*/, DDXPointPtr /*ptsIn*/ #endif ); /* mfbplyinv.c */ extern void mfbFillPolyInvert( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*shape*/, int /*mode*/, int /*count*/, DDXPointPtr /*ptsIn*/ #endif ); /* mfbplywhite.c */ extern void mfbFillPolyWhite( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*shape*/, int /*mode*/, int /*count*/, DDXPointPtr /*ptsIn*/ #endif ); /* mfbpntwin.c */ extern void mfbPaintWindow( #if NeedFunctionPrototypes WindowPtr /*pWin*/, RegionPtr /*pRegion*/, int /*what*/ #endif ); /* mfbpolypnt.c */ extern void mfbPolyPoint( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*mode*/, int /*npt*/, xPoint * /*pptInit*/ #endif ); /* mfbpushpxl.c */ extern void mfbSolidPP( #if NeedFunctionPrototypes GCPtr /*pGC*/, PixmapPtr /*pBitMap*/, DrawablePtr /*pDrawable*/, int /*dx*/, int /*dy*/, int /*xOrg*/, int /*yOrg*/ #endif ); extern void mfbPushPixels( #if NeedFunctionPrototypes GCPtr /*pGC*/, PixmapPtr /*pBitMap*/, DrawablePtr /*pDrawable*/, int /*dx*/, int /*dy*/, int /*xOrg*/, int /*yOrg*/ #endif ); /* mfbscrclse.c */ extern Bool mfbCloseScreen( #if NeedFunctionPrototypes int /*index*/, ScreenPtr /*pScreen*/ #endif ); /* mfbscrinit.c */ extern Bool mfbAllocatePrivates( #if NeedFunctionPrototypes ScreenPtr /*pScreen*/, int * /*pWinIndex*/, int * /*pGCIndex*/ #endif ); extern Bool mfbScreenInit( #if NeedFunctionPrototypes ScreenPtr /*pScreen*/, pointer /*pbits*/, int /*xsize*/, int /*ysize*/, int /*dpix*/, int /*dpiy*/, int /*width*/ #endif ); /* mfbseg.c */ extern void mfbSegmentSS( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*nseg*/, xSegment * /*pSeg*/ #endif ); extern void mfbSegmentSD( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, int /*nseg*/, xSegment * /*pSeg*/ #endif ); /* mfbsetsp.c */ extern int mfbSetScanline( #if NeedFunctionPrototypes int /*y*/, int /*xOrigin*/, int /*xStart*/, int /*xEnd*/, PixelType * /*psrc*/, int /*alu*/, PixelType * /*pdstBase*/, int /*widthDst*/ #endif ); extern void mfbSetSpans( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr /*pGC*/, char * /*psrc*/, DDXPointPtr /*ppt*/, int * /*pwidth*/, int /*nspans*/, int /*fSorted*/ #endif ); /* mfbteblack.c */ extern void mfbTEGlyphBltBlack( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*x*/, int /*y*/, unsigned int /*nglyph*/, CharInfoPtr * /*ppci*/, pointer /*pglyphBase*/ #endif ); /* mfbtewhite.c */ extern void mfbTEGlyphBltWhite( #if NeedFunctionPrototypes DrawablePtr /*pDrawable*/, GCPtr/*pGC*/, int /*x*/, int /*y*/, unsigned int /*nglyph*/, CharInfoPtr * /*ppci*/, pointer /*pglyphBase*/ #endif ); /* mfbtileC.c */ extern void mfbTileAreaPPWCopy( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*ptile*/ #endif ); /* mfbtileG.c */ extern void mfbTileAreaPPWGeneral( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*ptile*/ #endif ); extern void mfbTileAreaPPW( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, int /*nbox*/, BoxPtr /*pbox*/, int /*alu*/, PixmapPtr /*ptile*/ #endif ); /* mfbwindow.c */ extern Bool mfbCreateWindow( #if NeedFunctionPrototypes WindowPtr /*pWin*/ #endif ); extern Bool mfbDestroyWindow( #if NeedFunctionPrototypes WindowPtr /*pWin*/ #endif ); extern Bool mfbMapWindow( #if NeedFunctionPrototypes WindowPtr /*pWindow*/ #endif ); extern Bool mfbPositionWindow( #if NeedFunctionPrototypes WindowPtr /*pWin*/, int /*x*/, int /*y*/ #endif ); extern Bool mfbUnmapWindow( #if NeedFunctionPrototypes WindowPtr /*pWindow*/ #endif ); extern void mfbCopyWindow( #if NeedFunctionPrototypes WindowPtr /*pWin*/, DDXPointRec /*ptOldOrg*/, RegionPtr /*prgnSrc*/ #endif ); extern Bool mfbChangeWindowAttributes( #if NeedFunctionPrototypes WindowPtr /*pWin*/, unsigned long /*mask*/ #endif ); /* mfbzerarc.c */ extern void mfbZeroPolyArcSS( #if NeedFunctionPrototypes DrawablePtr /*pDraw*/, GCPtr /*pGC*/, int /*narcs*/, xArc * /*parcs*/ #endif ); /* private filed of pixmap pixmap.devPrivate = (PixelType *)pointer_to_bits pixmap.devKind = width_of_pixmap_in_bytes private field of screen a pixmap, for which we allocate storage. devPrivate is a pointer to the bits in the hardware framebuffer. note that devKind can be poked to make the code work for framebuffers that are wider than their displayable screen (e.g. the early vsII, which displayed 960 pixels across, but was 1024 in the hardware.) private field of GC Freeing pCompositeClip is done based on the value of freeCompClip; if freeCompClip is not carefully maintained, we will end up losing storage or freeing something that isn't ours. */ typedef struct { unsigned char rop; /* reduction of rasterop to 1 of 3 */ unsigned char ropOpStip; /* rop for opaque stipple */ unsigned char ropFillArea; /* == alu, rop, or ropOpStip */ unsigned fExpose:1; /* callexposure handling ? */ unsigned freeCompClip:1; PixmapPtr pRotatedPixmap; /* tile/stipple rotated to align */ RegionPtr pCompositeClip; /* free this based on freeCompClip flag rather than NULLness */ void (* FillArea)(); /* fills regions; look at the code */ } mfbPrivGC; typedef mfbPrivGC *mfbPrivGCPtr; extern int mfbGCPrivateIndex; /* index into GC private array */ extern int mfbWindowPrivateIndex; /* index into Window private array */ #ifdef PIXMAP_PER_WINDOW extern int frameWindowPrivateIndex; /* index into Window private array */ #endif /* private field of window */ typedef struct { unsigned char fastBorder; /* non-zero if border tile is 32 bits wide */ unsigned char fastBackground; unsigned short unused; /* pad for alignment with Sun compiler */ DDXPointRec oldRotate; PixmapPtr pRotatedBackground; PixmapPtr pRotatedBorder; } mfbPrivWin; /* Common macros for extracting drawing information */ #define mfbGetTypedWidth(pDrawable,type) (\ (((pDrawable)->type == DRAWABLE_WINDOW) ? \ (int) (((PixmapPtr)((pDrawable)->pScreen->devPrivate))->devKind) : \ (int)(((PixmapPtr)pDrawable)->devKind)) / sizeof (type)) #define mfbGetByteWidth(pDrawable) mfbGetTypedWidth(pDrawable, unsigned char) #define mfbGetPixelWidth(pDrawable) mfbGetTypedWidth(pDrawable, PixelType) #define mfbGetTypedWidthAndPointer(pDrawable, width, pointer, wtype, ptype) {\ PixmapPtr _pPix; \ if ((pDrawable)->type == DRAWABLE_WINDOW) \ _pPix = (PixmapPtr) (pDrawable)->pScreen->devPrivate; \ else \ _pPix = (PixmapPtr) (pDrawable); \ (pointer) = (ptype *) _pPix->devPrivate.ptr; \ (width) = ((int) _pPix->devKind) / sizeof (wtype); \ } #define mfbGetByteWidthAndPointer(pDrawable, width, pointer) \ mfbGetTypedWidthAndPointer(pDrawable, width, pointer, unsigned char, unsigned char) #define mfbGetPixelWidthAndPointer(pDrawable, width, pointer) \ mfbGetTypedWidthAndPointer(pDrawable, width, pointer, PixelType, PixelType) #define mfbGetWindowTypedWidthAndPointer(pWin, width, pointer, wtype, ptype) {\ PixmapPtr _pPix = (PixmapPtr) (pWin)->drawable.pScreen->devPrivate; \ (pointer) = (ptype *) _pPix->devPrivate.ptr; \ (width) = ((int) _pPix->devKind) / sizeof (wtype); \ } #define mfbGetWindowPixelWidthAndPointer(pWin, width, pointer) \ mfbGetWindowTypedWidthAndPointer(pWin, width, pointer, PixelType, PixelType) #define mfbGetWindowByteWidthAndPointer(pWin, width, pointer) \ mfbGetWindowTypedWidthAndPointer(pWin, width, pointer, char, char) /* mfb uses the following macros to calculate addresses in drawables. * To support banked framebuffers, the macros come in four flavors. * All four collapse into the same definition on unbanked devices. * * mfbScanlineFoo - calculate address and do bank switching * mfbScanlineFooNoBankSwitch - calculate address, don't bank switch * mfbScanlineFooSrc - calculate address, switch source bank * mfbScanlineFooDst - calculate address, switch destination bank */ /* The NoBankSwitch versions are the same for banked and unbanked cases */ #define mfbScanlineIncNoBankSwitch(_ptr, _off) _ptr += (_off) #define mfbScanlineOffsetNoBankSwitch(_ptr, _off) ((_ptr) + (_off)) #define mfbScanlineDeltaNoBankSwitch(_ptr, _y, _w) \ mfbScanlineOffsetNoBankSwitch(_ptr, (_y) * (_w)) #define mfbScanlineNoBankSwitch(_ptr, _x, _y, _w) \ mfbScanlineOffsetNoBankSwitch(_ptr, (_y) * (_w) + ((_x) >> MFB_PWSH)) #ifdef MFB_LINE_BANK #include "mfblinebank.h" /* get macro definitions from this file */ #else /* !MFB_LINE_BANK - unbanked case */ #define mfbScanlineInc(_ptr, _off) mfbScanlineIncNoBankSwitch(_ptr, _off) #define mfbScanlineIncSrc(_ptr, _off) mfbScanlineInc(_ptr, _off) #define mfbScanlineIncDst(_ptr, _off) mfbScanlineInc(_ptr, _off) #define mfbScanlineOffset(_ptr, _off) mfbScanlineOffsetNoBankSwitch(_ptr, _off) #define mfbScanlineOffsetSrc(_ptr, _off) mfbScanlineOffset(_ptr, _off) #define mfbScanlineOffsetDst(_ptr, _off) mfbScanlineOffset(_ptr, _off) #define mfbScanlineSrc(_ptr, _x, _y, _w) mfbScanline(_ptr, _x, _y, _w) #define mfbScanlineDst(_ptr, _x, _y, _w) mfbScanline(_ptr, _x, _y, _w) #define mfbScanlineDeltaSrc(_ptr, _y, _w) mfbScanlineDelta(_ptr, _y, _w) #define mfbScanlineDeltaDst(_ptr, _y, _w) mfbScanlineDelta(_ptr, _y, _w) #endif /* MFB_LINE_BANK */ #define mfbScanlineDelta(_ptr, _y, _w) \ mfbScanlineOffset(_ptr, (_y) * (_w)) #define mfbScanline(_ptr, _x, _y, _w) \ mfbScanlineOffset(_ptr, (_y) * (_w) + ((_x) >> MFB_PWSH)) /* precomputed information about each glyph for GlyphBlt code. this saves recalculating the per glyph information for each box. */ typedef struct _pos{ int xpos; /* xposition of glyph's origin */ int xchar; /* x position mod 32 */ int leftEdge; int rightEdge; int topEdge; int bottomEdge; PixelType *pdstBase; /* longword with character origin */ int widthGlyph; /* width in bytes of this glyph */ } TEXTPOS; /* reduced raster ops for mfb */ #define RROP_BLACK GXclear #define RROP_WHITE GXset #define RROP_NOP GXnoop #define RROP_INVERT GXinvert /* macros for mfbbitblt.c, mfbfillsp.c these let the code do one switch on the rop per call, rather than a switch on the rop per item (span or rectangle.) */ #define fnCLEAR(src, dst) (0) #define fnAND(src, dst) (src & dst) #define fnANDREVERSE(src, dst) (src & ~dst) #define fnCOPY(src, dst) (src) #define fnANDINVERTED(src, dst) (~src & dst) #define fnNOOP(src, dst) (dst) #define fnXOR(src, dst) (src ^ dst) #define fnOR(src, dst) (src | dst) #define fnNOR(src, dst) (~(src | dst)) #define fnEQUIV(src, dst) (~src ^ dst) #define fnINVERT(src, dst) (~dst) #define fnORREVERSE(src, dst) (src | ~dst) #define fnCOPYINVERTED(src, dst)(~src) #define fnORINVERTED(src, dst) (~src | dst) #define fnNAND(src, dst) (~(src & dst)) #define fnSET(src, dst) (~0) /* Using a "switch" statement is much faster in most cases * since the compiler can do a look-up table or multi-way branch * instruction, depending on the architecture. The result on * A Sun 3/50 is at least 2.5 times faster, assuming a uniform * distribution of RasterOp operation types. * * However, doing some profiling on a running system reveals * GXcopy is the operation over 99.5% of the time and * GXxor is the next most frequent (about .4%), so we make special * checks for those first. * * Note that this requires a change to the "calling sequence" * since we can't engineer a "switch" statement to have an lvalue. */ #define DoRop(result, alu, src, dst) \ { \ if (alu == GXcopy) \ result = fnCOPY (src, dst); \ else if (alu == GXxor) \ result = fnXOR (src, dst); \ else \ switch (alu) \ { \ case GXclear: \ result = fnCLEAR (src, dst); \ break; \ case GXand: \ result = fnAND (src, dst); \ break; \ case GXandReverse: \ result = fnANDREVERSE (src, dst); \ break; \ case GXandInverted: \ result = fnANDINVERTED (src, dst); \ break; \ case GXnoop: \ result = fnNOOP (src, dst); \ break; \ case GXor: \ result = fnOR (src, dst); \ break; \ case GXnor: \ result = fnNOR (src, dst); \ break; \ case GXequiv: \ result = fnEQUIV (src, dst); \ break; \ case GXinvert: \ result = fnINVERT (src, dst); \ break; \ case GXorReverse: \ result = fnORREVERSE (src, dst); \ break; \ case GXcopyInverted: \ result = fnCOPYINVERTED (src, dst); \ break; \ case GXorInverted: \ result = fnORINVERTED (src, dst); \ break; \ case GXnand: \ result = fnNAND (src, dst); \ break; \ case GXset: \ result = fnSET (src, dst); \ break; \ } \ } /* C expression fragments for various operations. These get passed in * as -D's on the compile command line. See mfb/Imakefile. This * fixes XBUG 6319. * * This seems like a good place to point out that mfb's use of the * words black and white is an unfortunate misnomer. In mfb code, black * means zero, and white means one. */ #define MFB_OPEQ_WHITE |= #define MFB_OPEQ_BLACK &=~ #define MFB_OPEQ_INVERT ^= #define MFB_EQWHOLEWORD_WHITE =~0 #define MFB_EQWHOLEWORD_BLACK =0 #define MFB_EQWHOLEWORD_INVERT ^=~0 #define MFB_OP_WHITE /* nothing */ #define MFB_OP_BLACK ~