diff options
Diffstat (limited to 'vcl/unx/generic/gdi/salgdi.cxx')
| -rw-r--r-- | vcl/unx/generic/gdi/salgdi.cxx | 1273 |
1 files changed, 1273 insertions, 0 deletions
diff --git a/vcl/unx/generic/gdi/salgdi.cxx b/vcl/unx/generic/gdi/salgdi.cxx new file mode 100644 index 000000000000..39205ab2e321 --- /dev/null +++ b/vcl/unx/generic/gdi/salgdi.cxx @@ -0,0 +1,1273 @@ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +// MARKER(update_precomp.py): autogen include statement, do not remove +#include "precompiled_vcl.hxx" + +#include "tools/debug.hxx" + +#include "basegfx/polygon/b2dpolygon.hxx" +#include "basegfx/polygon/b2dpolypolygon.hxx" +#include "basegfx/polygon/b2dpolypolygontools.hxx" +#include "basegfx/polygon/b2dpolygontools.hxx" +#include "basegfx/polygon/b2dpolygonclipper.hxx" +#include "basegfx/polygon/b2dlinegeometry.hxx" +#include "basegfx/matrix/b2dhommatrix.hxx" +#include "basegfx/matrix/b2dhommatrixtools.hxx" +#include "basegfx/polygon/b2dpolypolygoncutter.hxx" +#include "basegfx/polygon/b2dtrapezoid.hxx" + +#include "vcl/jobdata.hxx" + +#include "unx/Xproto.h" +#include "unx/salunx.h" +#include "unx/saldata.hxx" +#include "unx/saldisp.hxx" +#include "unx/salgdi.h" +#include "unx/salframe.h" +#include "unx/salvd.h" + +#include "printergfx.hxx" +#include "xrender_peer.hxx" +#include "region.h" + +#include <vector> +#include <queue> +#include <set> + +// -=-= SalPolyLine =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +#define STATIC_POINTS 64 + +class SalPolyLine +{ + XPoint Points_[STATIC_POINTS]; + XPoint *pFirst_; +public: + inline SalPolyLine( sal_uLong nPoints ); + inline SalPolyLine( sal_uLong nPoints, const SalPoint *p ); + inline ~SalPolyLine(); + inline XPoint &operator [] ( sal_uLong n ) const + { return pFirst_[n]; } +}; + +inline SalPolyLine::SalPolyLine( sal_uLong nPoints ) + : pFirst_( nPoints+1 > STATIC_POINTS ? new XPoint[nPoints+1] : Points_ ) +{} + +inline SalPolyLine::SalPolyLine( sal_uLong nPoints, const SalPoint *p ) + : pFirst_( nPoints+1 > STATIC_POINTS ? new XPoint[nPoints+1] : Points_ ) +{ + for( sal_uLong i = 0; i < nPoints; i++ ) + { + pFirst_[i].x = (short)p[i].mnX; + pFirst_[i].y = (short)p[i].mnY; + } + pFirst_[nPoints] = pFirst_[0]; // close polyline +} + +inline SalPolyLine::~SalPolyLine() +{ if( pFirst_ != Points_ ) delete [] pFirst_; } + +#undef STATIC_POINTS +// -=-= X11SalGraphics =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +X11SalGraphics::X11SalGraphics() +{ + m_pFrame = NULL; + m_pVDev = NULL; + m_pDeleteColormap = NULL; + hDrawable_ = None; + m_aRenderPicture = 0; + m_pRenderFormat = NULL; + + mpClipRegion = NULL; + pPaintRegion_ = NULL; + + pPenGC_ = NULL; + nPenPixel_ = 0; + nPenColor_ = MAKE_SALCOLOR( 0x00, 0x00, 0x00 ); // Black + + pFontGC_ = NULL; + for( int i = 0; i < MAX_FALLBACK; ++i ) + mpServerFont[i] = NULL; + + nTextPixel_ = 0; + nTextColor_ = MAKE_SALCOLOR( 0x00, 0x00, 0x00 ); // Black + +#ifdef ENABLE_GRAPHITE + // check if graphite fonts have been disabled + static const char* pDisableGraphiteStr = getenv( "SAL_DISABLE_GRAPHITE" ); + bDisableGraphite_ = pDisableGraphiteStr ? (pDisableGraphiteStr[0]!='0') : sal_False; +#endif + + pBrushGC_ = NULL; + nBrushPixel_ = 0; + nBrushColor_ = MAKE_SALCOLOR( 0xFF, 0xFF, 0xFF ); // White + hBrush_ = None; + + pMonoGC_ = NULL; + pCopyGC_ = NULL; + pMaskGC_ = NULL; + pInvertGC_ = NULL; + pInvert50GC_ = NULL; + pStippleGC_ = NULL; + pTrackingGC_ = NULL; + + bWindow_ = sal_False; + bPrinter_ = sal_False; + bVirDev_ = sal_False; + bPenGC_ = sal_False; + bFontGC_ = sal_False; + bBrushGC_ = sal_False; + bMonoGC_ = sal_False; + bCopyGC_ = sal_False; + bInvertGC_ = sal_False; + bInvert50GC_ = sal_False; + bStippleGC_ = sal_False; + bTrackingGC_ = sal_False; + bXORMode_ = sal_False; + bDitherBrush_ = sal_False; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +X11SalGraphics::~X11SalGraphics() +{ + ReleaseFonts(); + freeResources(); +} + +// -=-= SalGraphics / X11SalGraphics =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= + +void X11SalGraphics::freeResources() +{ + Display *pDisplay = GetXDisplay(); + + DBG_ASSERT( !pPaintRegion_, "pPaintRegion_" ); + if( mpClipRegion ) XDestroyRegion( mpClipRegion ), mpClipRegion = None; + + if( hBrush_ ) XFreePixmap( pDisplay, hBrush_ ), hBrush_ = None; + if( pPenGC_ ) XFreeGC( pDisplay, pPenGC_ ), pPenGC_ = None; + if( pFontGC_ ) XFreeGC( pDisplay, pFontGC_ ), pFontGC_ = None; + if( pBrushGC_ ) XFreeGC( pDisplay, pBrushGC_ ), pBrushGC_ = None; + if( pMonoGC_ ) XFreeGC( pDisplay, pMonoGC_ ), pMonoGC_ = None; + if( pCopyGC_ ) XFreeGC( pDisplay, pCopyGC_ ), pCopyGC_ = None; + if( pMaskGC_ ) XFreeGC( pDisplay, pMaskGC_ ), pMaskGC_ = None; + if( pInvertGC_ ) XFreeGC( pDisplay, pInvertGC_ ), pInvertGC_ = None; + if( pInvert50GC_ ) XFreeGC( pDisplay, pInvert50GC_ ), pInvert50GC_ = None; + if( pStippleGC_ ) XFreeGC( pDisplay, pStippleGC_ ), pStippleGC_ = None; + if( pTrackingGC_ ) XFreeGC( pDisplay, pTrackingGC_ ), pTrackingGC_ = None; + if( m_pDeleteColormap ) + delete m_pDeleteColormap, m_pColormap = m_pDeleteColormap = NULL; + + if( m_aRenderPicture ) + XRenderPeer::GetInstance().FreePicture( m_aRenderPicture ), m_aRenderPicture = 0; + + bPenGC_ = bFontGC_ = bBrushGC_ = bMonoGC_ = bCopyGC_ = bInvertGC_ = bInvert50GC_ = bStippleGC_ = bTrackingGC_ = false; +} + +void X11SalGraphics::SetDrawable( Drawable aDrawable, int nScreen ) +{ + // shortcut if nothing changed + if( hDrawable_ == aDrawable ) + return; + + // free screen specific resources if needed + if( nScreen != m_nScreen ) + { + freeResources(); + m_pColormap = &GetX11SalData()->GetDisplay()->GetColormap( nScreen ); + m_nScreen = nScreen; + } + + hDrawable_ = aDrawable; + SetXRenderFormat( NULL ); + if( m_aRenderPicture ) + { + XRenderPeer::GetInstance().FreePicture( m_aRenderPicture ); + m_aRenderPicture = 0; + } + + if( hDrawable_ ) + { + nPenPixel_ = GetPixel( nPenColor_ ); + nTextPixel_ = GetPixel( nTextColor_ ); + nBrushPixel_ = GetPixel( nBrushColor_ ); + } +} + +void X11SalGraphics::Init( SalFrame *pFrame, Drawable aTarget, int nScreen ) +{ +#if 0 // TODO: use SetDrawable() instead + m_pColormap = &GetX11SalData()->GetDisplay()->GetColormap(nScreen); + hDrawable_ = aTarget; + m_nScreen = nScreen; + SetXRenderFormat( NULL ); + if( m_aRenderPicture ) + XRenderPeer::GetInstance().FreePicture( m_aRenderPicture ), m_aRenderPicture = 0; + + nPenPixel_ = GetPixel( nPenColor_ ); + nTextPixel_ = GetPixel( nTextColor_ ); + nBrushPixel_ = GetPixel( nBrushColor_ ); +#else + m_pColormap = &GetX11SalData()->GetDisplay()->GetColormap(nScreen); + m_nScreen = nScreen; + SetDrawable( aTarget, nScreen ); +#endif + + bWindow_ = sal_True; + m_pFrame = pFrame; + m_pVDev = NULL; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::DeInit() +{ + SetDrawable( None, m_nScreen ); +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::SetClipRegion( GC pGC, XLIB_Region pXReg ) const +{ + Display *pDisplay = GetXDisplay(); + + int n = 0; + XLIB_Region Regions[3]; + + if( mpClipRegion /* && !XEmptyRegion( mpClipRegion ) */ ) + Regions[n++] = mpClipRegion; +// if( pPaintRegion_ /* && !XEmptyRegion( pPaintRegion_ ) */ ) +// Regions[n++] = pPaintRegion_; + + if( pXReg && !XEmptyRegion( pXReg ) ) + Regions[n++] = pXReg; + + if( 0 == n ) + XSetClipMask( pDisplay, pGC, None ); + else if( 1 == n ) + XSetRegion( pDisplay, pGC, Regions[0] ); + else + { + XLIB_Region pTmpRegion = XCreateRegion(); + XIntersectRegion( Regions[0], Regions[1], pTmpRegion ); +// if( 3 == n ) +// XIntersectRegion( Regions[2], pTmpRegion, pTmpRegion ); + XSetRegion( pDisplay, pGC, pTmpRegion ); + XDestroyRegion( pTmpRegion ); + } +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +GC X11SalGraphics::SelectPen() +{ + Display *pDisplay = GetXDisplay(); + + if( !pPenGC_ ) + { + XGCValues values; + values.subwindow_mode = ClipByChildren; + values.fill_rule = EvenOddRule; // Pict import/ Gradient + values.graphics_exposures = False; + + pPenGC_ = XCreateGC( pDisplay, hDrawable_, + GCSubwindowMode | GCFillRule | GCGraphicsExposures, + &values ); + } + + if( !bPenGC_ ) + { + if( nPenColor_ != SALCOLOR_NONE ) + XSetForeground( pDisplay, pPenGC_, nPenPixel_ ); + XSetFunction ( pDisplay, pPenGC_, bXORMode_ ? GXxor : GXcopy ); + SetClipRegion( pPenGC_ ); + bPenGC_ = sal_True; + } + + return pPenGC_; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +GC X11SalGraphics::SelectBrush() +{ + Display *pDisplay = GetXDisplay(); + + DBG_ASSERT( nBrushColor_ != SALCOLOR_NONE, "Brush Transparent" ); + + if( !pBrushGC_ ) + { + XGCValues values; + // values.subwindow_mode = IncludeInferiors; + values.subwindow_mode = ClipByChildren; + values.fill_rule = EvenOddRule; // Pict import/ Gradient + values.graphics_exposures = False; + + pBrushGC_ = XCreateGC( pDisplay, hDrawable_, + GCSubwindowMode | GCFillRule | GCGraphicsExposures, + &values ); + } + + if( !bBrushGC_ ) + { + if( !bDitherBrush_ ) + { + XSetFillStyle ( pDisplay, pBrushGC_, FillSolid ); + XSetForeground( pDisplay, pBrushGC_, nBrushPixel_ ); + if( bPrinter_ ) + XSetTile( pDisplay, pBrushGC_, None ); + } + else + { + // Bug in Sun Solaris 2.5.1, XFillPolygon doesn't allways reflect + // changes of the tile. PROPERTY_BUG_Tile doesn't fix this ! + if (GetDisplay()->GetProperties() & PROPERTY_BUG_FillPolygon_Tile) + XSetFillStyle ( pDisplay, pBrushGC_, FillSolid ); + + XSetFillStyle ( pDisplay, pBrushGC_, FillTiled ); + XSetTile ( pDisplay, pBrushGC_, hBrush_ ); + } + XSetFunction ( pDisplay, pBrushGC_, bXORMode_ ? GXxor : GXcopy ); + SetClipRegion( pBrushGC_ ); + + bBrushGC_ = sal_True; + } + + return pBrushGC_; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +GC X11SalGraphics::GetTrackingGC() +{ + const char dash_list[2] = {2, 2}; + + if( !pTrackingGC_ ) + { + XGCValues values; + + values.graphics_exposures = False; + values.foreground = m_pColormap->GetBlackPixel() + ^ m_pColormap->GetWhitePixel(); + values.function = GXxor; + values.line_width = 1; + values.line_style = LineOnOffDash; + + pTrackingGC_ = XCreateGC( GetXDisplay(), GetDrawable(), + GCGraphicsExposures | GCForeground | GCFunction + | GCLineWidth | GCLineStyle, + &values ); + XSetDashes( GetXDisplay(), pTrackingGC_, 0, dash_list, 2 ); + } + + if( !bTrackingGC_ ) + { + SetClipRegion( pTrackingGC_ ); + bTrackingGC_ = sal_True; + } + + return pTrackingGC_; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::DrawLines( sal_uLong nPoints, + const SalPolyLine &rPoints, + GC pGC, + bool bClose + ) +{ + // errechne wie viele Linien XWindow auf einmal zeichnen kann + sal_uLong nMaxLines = (GetDisplay()->GetMaxRequestSize() - sizeof(xPolyPointReq)) + / sizeof(xPoint); + if( nMaxLines > nPoints ) nMaxLines = nPoints; + + // gebe alle Linien aus, die XWindows zeichnen kann. + sal_uLong n; + for( n = 0; nPoints - n > nMaxLines; n += nMaxLines - 1 ) + XDrawLines( GetXDisplay(), + GetDrawable(), + pGC, + &rPoints[n], + nMaxLines, + CoordModeOrigin ); + + if( n < nPoints ) + XDrawLines( GetXDisplay(), + GetDrawable(), + pGC, + &rPoints[n], + nPoints - n, + CoordModeOrigin ); + if( bClose ) + { + if( rPoints[nPoints-1].x != rPoints[0].x || rPoints[nPoints-1].y != rPoints[0].y ) + drawLine( rPoints[nPoints-1].x, rPoints[nPoints-1].y, rPoints[0].x, rPoints[0].y ); + } +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +// Dithern: Calculate a dither-pixmap and make a brush of it +#define P_DELTA 51 +#define DMAP( v, m ) ((v % P_DELTA) > m ? (v / P_DELTA) + 1 : (v / P_DELTA)) + +BOOL X11SalGraphics::GetDitherPixmap( SalColor nSalColor ) +{ + static const short nOrdDither8Bit[ 8 ][ 8 ] = + { + { 0, 38, 9, 48, 2, 40, 12, 50}, + {25, 12, 35, 22, 28, 15, 37, 24}, + { 6, 44, 3, 41, 8, 47, 5, 44}, + {32, 19, 28, 16, 34, 21, 31, 18}, + { 1, 40, 11, 49, 0, 39, 10, 48}, + {27, 14, 36, 24, 26, 13, 36, 23}, + { 8, 46, 4, 43, 7, 45, 4, 42}, + {33, 20, 30, 17, 32, 20, 29, 16} + }; + + // test for correct depth (8bit) + if( GetColormap().GetVisual().GetDepth() != 8 ) + return sal_False; + + char pBits[64]; + char *pBitsPtr = pBits; + + // Set the pallette-entries for the dithering tile + sal_uInt8 nSalColorRed = SALCOLOR_RED ( nSalColor ); + sal_uInt8 nSalColorGreen = SALCOLOR_GREEN ( nSalColor ); + sal_uInt8 nSalColorBlue = SALCOLOR_BLUE ( nSalColor ); + + for( int nY = 0; nY < 8; nY++ ) + { + for( int nX = 0; nX < 8; nX++ ) + { + short nMagic = nOrdDither8Bit[nY][nX]; + sal_uInt8 nR = P_DELTA * DMAP( nSalColorRed, nMagic ); + sal_uInt8 nG = P_DELTA * DMAP( nSalColorGreen, nMagic ); + sal_uInt8 nB = P_DELTA * DMAP( nSalColorBlue, nMagic ); + + *pBitsPtr++ = GetColormap().GetPixel( MAKE_SALCOLOR( nR, nG, nB ) ); + } + } + + // create the tile as ximage and an according pixmap -> caching + XImage *pImage = XCreateImage( GetXDisplay(), + GetColormap().GetXVisual(), + 8, + ZPixmap, + 0, // offset + pBits, // data + 8, 8, // width & height + 8, // bitmap_pad + 0 ); // (default) bytes_per_line + + if ( GetDisplay()->GetProperties() & PROPERTY_BUG_Tile ) + { + if (hBrush_) + XFreePixmap (GetXDisplay(), hBrush_); + hBrush_ = XCreatePixmap( GetXDisplay(), GetDrawable(), 8, 8, 8 ); + } + else + if( !hBrush_ ) + hBrush_ = XCreatePixmap( GetXDisplay(), GetDrawable(), 8, 8, 8 ); + + // put the ximage to the pixmap + XPutImage( GetXDisplay(), + hBrush_, + GetDisplay()->GetCopyGC( m_nScreen ), + pImage, + 0, 0, // Source + 0, 0, // Destination + 8, 8 ); // width & height + + // destroy image-frame but not palette-data + pImage->data = NULL; + XDestroyImage( pImage ); + + return sal_True; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::GetResolution( sal_Int32 &rDPIX, sal_Int32 &rDPIY ) // const +{ + const SalDisplay *pDisplay = GetDisplay(); + + rDPIX = pDisplay->GetResolution().A(); + rDPIY = pDisplay->GetResolution().B(); + if( !pDisplay->GetExactResolution() && rDPIY < 96 ) + { + rDPIX = Divide( rDPIX * 96, rDPIY ); + rDPIY = 96; + } + else if ( rDPIY > 200 ) + { + rDPIX = Divide( rDPIX * 200, rDPIY ); + rDPIY = 200; + } + + // #i12705# equalize x- and y-resolution if they are close enough + if( rDPIX != rDPIY ) + { + // different x- and y- resolutions are usually artifacts of + // a wrongly calculated screen size. + //if( (13*rDPIX >= 10*rDPIY) && (13*rDPIY >= 10*rDPIX) ) //+-30% + { +#ifdef DEBUG + printf("Forcing Resolution from %" SAL_PRIdINT32 "x%" SAL_PRIdINT32 " to %" SAL_PRIdINT32 "x%" SAL_PRIdINT32 "\n", + rDPIX,rDPIY,rDPIY,rDPIY); +#endif + rDPIX = rDPIY; // y-resolution is more trustworthy + } + } +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +sal_uInt16 X11SalGraphics::GetBitCount() // const +{ + return GetVisual().GetDepth(); +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +long X11SalGraphics::GetGraphicsWidth() const +{ + if( m_pFrame ) + return m_pFrame->maGeometry.nWidth; + else if( m_pVDev ) + return m_pVDev->GetWidth(); + else + return 0; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +long X11SalGraphics::GetGraphicsHeight() const +{ + if( m_pFrame ) + return m_pFrame->maGeometry.nHeight; + else if( m_pVDev ) + return m_pVDev->GetHeight(); + else + return 0; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::ResetClipRegion() +{ + if( mpClipRegion ) + { + bPenGC_ = sal_False; + bFontGC_ = sal_False; + bBrushGC_ = sal_False; + bMonoGC_ = sal_False; + bCopyGC_ = sal_False; + bInvertGC_ = sal_False; + bInvert50GC_ = sal_False; + bStippleGC_ = sal_False; + bTrackingGC_ = sal_False; + + XDestroyRegion( mpClipRegion ); + mpClipRegion = NULL; + } +} + +bool X11SalGraphics::setClipRegion( const Region& i_rClip ) +{ + if( mpClipRegion ) + XDestroyRegion( mpClipRegion ); + mpClipRegion = XCreateRegion(); + + ImplRegionInfo aInfo; + long nX, nY, nW, nH; + bool bRegionRect = i_rClip.ImplGetFirstRect(aInfo, nX, nY, nW, nH ); + while( bRegionRect ) + { + if ( nW && nH ) + { + XRectangle aRect; + aRect.x = (short)nX; + aRect.y = (short)nY; + aRect.width = (unsigned short)nW; + aRect.height = (unsigned short)nH; + + XUnionRectWithRegion( &aRect, mpClipRegion, mpClipRegion ); + } + bRegionRect = i_rClip.ImplGetNextRect( aInfo, nX, nY, nW, nH ); + } + + // done, invalidate GCs + bPenGC_ = sal_False; + bFontGC_ = sal_False; + bBrushGC_ = sal_False; + bMonoGC_ = sal_False; + bCopyGC_ = sal_False; + bInvertGC_ = sal_False; + bInvert50GC_ = sal_False; + bStippleGC_ = sal_False; + bTrackingGC_ = sal_False; + + if( XEmptyRegion( mpClipRegion ) ) + { + XDestroyRegion( mpClipRegion ); + mpClipRegion= NULL; + } + return true; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::SetLineColor() +{ + if( nPenColor_ != SALCOLOR_NONE ) + { + nPenColor_ = SALCOLOR_NONE; + bPenGC_ = sal_False; + } +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::SetLineColor( SalColor nSalColor ) +{ + if( nPenColor_ != nSalColor ) + { + nPenColor_ = nSalColor; + nPenPixel_ = GetPixel( nSalColor ); + bPenGC_ = sal_False; + } +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::SetFillColor() +{ + if( nBrushColor_ != SALCOLOR_NONE ) + { + bDitherBrush_ = sal_False; + nBrushColor_ = SALCOLOR_NONE; + bBrushGC_ = sal_False; + } +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::SetFillColor( SalColor nSalColor ) +{ + if( nBrushColor_ != nSalColor ) + { + bDitherBrush_ = sal_False; + nBrushColor_ = nSalColor; + nBrushPixel_ = GetPixel( nSalColor ); + if( TrueColor != GetColormap().GetVisual().GetClass() + && GetColormap().GetColor( nBrushPixel_ ) != nBrushColor_ + && nSalColor != MAKE_SALCOLOR( 0x00, 0x00, 0x00 ) // black + && nSalColor != MAKE_SALCOLOR( 0x00, 0x00, 0x80 ) // blue + && nSalColor != MAKE_SALCOLOR( 0x00, 0x80, 0x00 ) // green + && nSalColor != MAKE_SALCOLOR( 0x00, 0x80, 0x80 ) // cyan + && nSalColor != MAKE_SALCOLOR( 0x80, 0x00, 0x00 ) // red + && nSalColor != MAKE_SALCOLOR( 0x80, 0x00, 0x80 ) // magenta + && nSalColor != MAKE_SALCOLOR( 0x80, 0x80, 0x00 ) // brown + && nSalColor != MAKE_SALCOLOR( 0x80, 0x80, 0x80 ) // gray + && nSalColor != MAKE_SALCOLOR( 0xC0, 0xC0, 0xC0 ) // light gray + && nSalColor != MAKE_SALCOLOR( 0x00, 0x00, 0xFF ) // light blue + && nSalColor != MAKE_SALCOLOR( 0x00, 0xFF, 0x00 ) // light green + && nSalColor != MAKE_SALCOLOR( 0x00, 0xFF, 0xFF ) // light cyan + && nSalColor != MAKE_SALCOLOR( 0xFF, 0x00, 0x00 ) // light red + && nSalColor != MAKE_SALCOLOR( 0xFF, 0x00, 0xFF ) // light magenta + && nSalColor != MAKE_SALCOLOR( 0xFF, 0xFF, 0x00 ) // light brown + && nSalColor != MAKE_SALCOLOR( 0xFF, 0xFF, 0xFF ) ) + bDitherBrush_ = GetDitherPixmap(nSalColor); + bBrushGC_ = sal_False; + } +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::SetROPLineColor( SalROPColor nROPColor ) +{ + switch( nROPColor ) + { + case SAL_ROP_0 : // 0 + nPenPixel_ = (Pixel)0; + break; + case SAL_ROP_1 : // 1 + nPenPixel_ = (Pixel)(1 << GetVisual().GetDepth()) - 1; + break; + case SAL_ROP_INVERT : // 2 + nPenPixel_ = (Pixel)(1 << GetVisual().GetDepth()) - 1; + break; + } + nPenColor_ = GetColormap().GetColor( nPenPixel_ ); + bPenGC_ = sal_False; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::SetROPFillColor( SalROPColor nROPColor ) +{ + switch( nROPColor ) + { + case SAL_ROP_0 : // 0 + nBrushPixel_ = (Pixel)0; + break; + case SAL_ROP_1 : // 1 + nBrushPixel_ = (Pixel)(1 << GetVisual().GetDepth()) - 1; + break; + case SAL_ROP_INVERT : // 2 + nBrushPixel_ = (Pixel)(1 << GetVisual().GetDepth()) - 1; + break; + } + bDitherBrush_ = sal_False; + nBrushColor_ = GetColormap().GetColor( nBrushPixel_ ); + bBrushGC_ = sal_False; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::SetXORMode( bool bSet, bool ) +{ + if( !bXORMode_ == bSet ) + { + bXORMode_ = bSet; + bPenGC_ = sal_False; + bFontGC_ = sal_False; + bBrushGC_ = sal_False; + bMonoGC_ = sal_False; + bCopyGC_ = sal_False; + bInvertGC_ = sal_False; + bInvert50GC_ = sal_False; + bStippleGC_ = sal_False; + bTrackingGC_ = sal_False; + } +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::drawPixel( long nX, long nY ) +{ + if( nPenColor_ != SALCOLOR_NONE ) + XDrawPoint( GetXDisplay(), GetDrawable(), SelectPen(), nX, nY ); +} + +void X11SalGraphics::drawPixel( long nX, long nY, SalColor nSalColor ) +{ + if( nSalColor != SALCOLOR_NONE ) + { + Display *pDisplay = GetXDisplay(); + + if( (nPenColor_ == SALCOLOR_NONE) && !bPenGC_ ) + { + SetLineColor( nSalColor ); + XDrawPoint( pDisplay, GetDrawable(), SelectPen(), nX, nY ); + nPenColor_ = SALCOLOR_NONE; + bPenGC_ = False; + } + else + { + GC pGC = SelectPen(); + + if( nSalColor != nPenColor_ ) + XSetForeground( pDisplay, pGC, GetPixel( nSalColor ) ); + + XDrawPoint( pDisplay, GetDrawable(), pGC, nX, nY ); + + if( nSalColor != nPenColor_ ) + XSetForeground( pDisplay, pGC, nPenPixel_ ); + } + } +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::drawLine( long nX1, long nY1, long nX2, long nY2 ) +{ + if( nPenColor_ != SALCOLOR_NONE ) + { + if ( GetDisplay()->GetProperties() & PROPERTY_BUG_DrawLine ) + { + GC aGC = SelectPen(); + XDrawPoint (GetXDisplay(), GetDrawable(), aGC, (int)nX1, (int)nY1); + XDrawPoint (GetXDisplay(), GetDrawable(), aGC, (int)nX2, (int)nY2); + XDrawLine (GetXDisplay(), GetDrawable(), aGC, nX1, nY1, nX2, nY2 ); + } + else + XDrawLine( GetXDisplay(), GetDrawable(),SelectPen(), + nX1, nY1, nX2, nY2 ); + } +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::drawRect( long nX, long nY, long nDX, long nDY ) +{ + if( nBrushColor_ != SALCOLOR_NONE ) + { + XFillRectangle( GetXDisplay(), + GetDrawable(), + SelectBrush(), + nX, nY, nDX, nDY ); + } + // Beschreibung DrawRect verkehrt, deshalb -1 + if( nPenColor_ != SALCOLOR_NONE ) + XDrawRectangle( GetXDisplay(), + GetDrawable(), + SelectPen(), + nX, nY, nDX-1, nDY-1 ); +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::drawPolyLine( sal_uLong nPoints, const SalPoint *pPtAry ) +{ + drawPolyLine( nPoints, pPtAry, false ); +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::drawPolyLine( sal_uLong nPoints, const SalPoint *pPtAry, bool bClose ) +{ + if( nPenColor_ != 0xFFFFFFFF ) + { + SalPolyLine Points( nPoints, pPtAry ); + + DrawLines( nPoints, Points, SelectPen(), bClose ); + } +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::drawPolygon( sal_uLong nPoints, const SalPoint* pPtAry ) +{ + if( nPoints == 0 ) + return; + + if( nPoints < 3 ) + { + if( !bXORMode_ ) + { + if( 1 == nPoints ) + drawPixel( pPtAry[0].mnX, pPtAry[0].mnY ); + else + drawLine( pPtAry[0].mnX, pPtAry[0].mnY, + pPtAry[1].mnX, pPtAry[1].mnY ); + } + return; + } + + SalPolyLine Points( nPoints, pPtAry ); + + nPoints++; + + /* WORKAROUND: some Xservers (Xorg, VIA chipset in this case) + * do not draw the visible part of a polygon + * if it overlaps to the left of screen 0,y. + * This happens to be the case in the gradient drawn in the + * menubar background. workaround for the special case of + * of a rectangle overlapping to the left. + */ + if( nPoints == 5 && + Points[ 0 ].x == Points[ 1 ].x && + Points[ 1 ].y == Points[ 2 ].y && + Points[ 2 ].x == Points[ 3 ].x && + Points[ 0 ].x == Points[ 4 ].x && Points[ 0 ].y == Points[ 4 ].y + ) + { + bool bLeft = false; + bool bRight = false; + for(unsigned int i = 0; i < nPoints; i++ ) + { + if( Points[i].x < 0 ) + bLeft = true; + else + bRight= true; + } + if( bLeft && ! bRight ) + return; + if( bLeft && bRight ) + { + for( unsigned int i = 0; i < nPoints; i++ ) + if( Points[i].x < 0 ) + Points[i].x = 0; + } + } + + if( nBrushColor_ != SALCOLOR_NONE ) + XFillPolygon( GetXDisplay(), + GetDrawable(), + SelectBrush(), + &Points[0], nPoints, + Complex, CoordModeOrigin ); + + if( nPenColor_ != 0xFFFFFFFF ) + DrawLines( nPoints, Points, SelectPen(), true ); +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= +void X11SalGraphics::drawPolyPolygon( sal_uInt32 nPoly, + const sal_uInt32 *pPoints, + PCONSTSALPOINT *pPtAry ) +{ + if( nBrushColor_ != SALCOLOR_NONE ) + { + sal_uInt32 i, n; + XLIB_Region pXRegA = NULL; + + for( i = 0; i < nPoly; i++ ) { + n = pPoints[i]; + SalPolyLine Points( n, pPtAry[i] ); + if( n > 2 ) + { + XLIB_Region pXRegB = XPolygonRegion( &Points[0], n+1, WindingRule ); + if( !pXRegA ) + pXRegA = pXRegB; + else + { + XXorRegion( pXRegA, pXRegB, pXRegA ); + XDestroyRegion( pXRegB ); + } + } + } + + if( pXRegA ) + { + XRectangle aXRect; + XClipBox( pXRegA, &aXRect ); + + GC pGC = SelectBrush(); + SetClipRegion( pGC, pXRegA ); // ??? doppelt + XDestroyRegion( pXRegA ); + bBrushGC_ = sal_False; + + XFillRectangle( GetXDisplay(), + GetDrawable(), + pGC, + aXRect.x, aXRect.y, aXRect.width, aXRect.height ); + } + } + + if( nPenColor_ != SALCOLOR_NONE ) + for( sal_uInt32 i = 0; i < nPoly; i++ ) + drawPolyLine( pPoints[i], pPtAry[i], true ); +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= + +sal_Bool X11SalGraphics::drawPolyLineBezier( sal_uLong, const SalPoint*, const BYTE* ) +{ + return sal_False; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= + +sal_Bool X11SalGraphics::drawPolygonBezier( sal_uLong, const SalPoint*, const BYTE* ) +{ + return sal_False; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= + +sal_Bool X11SalGraphics::drawPolyPolygonBezier( sal_uInt32, const sal_uInt32*, + const SalPoint* const*, const BYTE* const* ) +{ + return sal_False; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= + +void X11SalGraphics::invert( sal_uLong nPoints, + const SalPoint* pPtAry, + SalInvert nFlags ) +{ + SalPolyLine Points ( nPoints, pPtAry ); + + GC pGC; + if( SAL_INVERT_50 & nFlags ) + pGC = GetInvert50GC(); + else + if ( SAL_INVERT_TRACKFRAME & nFlags ) + pGC = GetTrackingGC(); + else + pGC = GetInvertGC(); + + if( SAL_INVERT_TRACKFRAME & nFlags ) + DrawLines ( nPoints, Points, pGC, true ); + else + XFillPolygon( GetXDisplay(), + GetDrawable(), + pGC, + &Points[0], nPoints, + Complex, CoordModeOrigin ); +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= + +BOOL X11SalGraphics::drawEPS( long,long,long,long,void*,sal_uLong ) +{ + return sal_False; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= + +XID X11SalGraphics::GetXRenderPicture() +{ + XRenderPeer& rRenderPeer = XRenderPeer::GetInstance(); + + if( !m_aRenderPicture ) + { + // check xrender support for matching visual + // find a XRenderPictFormat compatible with the Drawable + XRenderPictFormat* pVisualFormat = static_cast<XRenderPictFormat*>(GetXRenderFormat()); + if( !pVisualFormat ) + { + Visual* pVisual = GetDisplay()->GetVisual( m_nScreen ).GetVisual(); + pVisualFormat = rRenderPeer.FindVisualFormat( pVisual ); + if( !pVisualFormat ) + return 0; + // cache the XRenderPictFormat + SetXRenderFormat( static_cast<void*>(pVisualFormat) ); + } + + // get the matching xrender target for drawable + m_aRenderPicture = rRenderPeer.CreatePicture( hDrawable_, pVisualFormat, 0, NULL ); + } + +#if 0 + // setup clipping so the callers don't have to do it themselves + // TODO: avoid clipping if already set correctly + if( mpClipRegion && !XEmptyRegion( mpClipRegion ) ) + rRenderPeer.SetPictureClipRegion( aDstPic, mpClipRegion ); + else +#endif + { + // reset clip region + // TODO: avoid clip reset if already done + XRenderPictureAttributes aAttr; + aAttr.clip_mask = None; + rRenderPeer.ChangePicture( m_aRenderPicture, CPClipMask, &aAttr ); + } + + return m_aRenderPicture; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= + +SystemGraphicsData X11SalGraphics::GetGraphicsData() const +{ + SystemGraphicsData aRes; + + aRes.nSize = sizeof(aRes); + aRes.pDisplay = GetXDisplay(); + aRes.hDrawable = hDrawable_; + aRes.pVisual = GetDisplay()->GetVisual( m_nScreen ).GetVisual(); + aRes.nScreen = m_nScreen; + aRes.nDepth = GetDisplay()->GetVisual( m_nScreen ).GetDepth(); + aRes.aColormap = GetDisplay()->GetColormap( m_nScreen ).GetXColormap(); + aRes.pRenderFormat = m_pRenderFormat; + return aRes; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= + +// draw a poly-polygon +bool X11SalGraphics::drawPolyPolygon( const ::basegfx::B2DPolyPolygon& rOrigPolyPoly, double fTransparency ) +{ + // nothing to do for empty polypolygons + const int nOrigPolyCount = rOrigPolyPoly.count(); + if( nOrigPolyCount <= 0 ) + return sal_True; + + // nothing to do if everything is transparent + if( (nBrushColor_ == SALCOLOR_NONE) + && (nPenColor_ == SALCOLOR_NONE) ) + return sal_True; + + // cannot handle pencolor!=brushcolor yet + if( (nPenColor_ != SALCOLOR_NONE) + && (nPenColor_ != nBrushColor_) ) + return sal_False; + + // TODO: remove the env-variable when no longer needed + static const char* pRenderEnv = getenv( "SAL_DISABLE_RENDER_POLY" ); + if( pRenderEnv ) + return sal_False; + + // snap to raster if requested + basegfx::B2DPolyPolygon aPolyPoly = rOrigPolyPoly; + const bool bSnapToRaster = !getAntiAliasB2DDraw(); + if( bSnapToRaster ) + aPolyPoly = basegfx::tools::snapPointsOfHorizontalOrVerticalEdges( aPolyPoly ); + + // don't bother with polygons outside of visible area + const basegfx::B2DRange aViewRange( 0, 0, GetGraphicsWidth(), GetGraphicsHeight() ); + aPolyPoly = basegfx::tools::clipPolyPolygonOnRange( aPolyPoly, aViewRange, true, false ); + if( !aPolyPoly.count() ) + return true; + + // tesselate the polypolygon into trapezoids + basegfx::B2DTrapezoidVector aB2DTrapVector; + basegfx::tools::trapezoidSubdivide( aB2DTrapVector, aPolyPoly ); + const int nTrapCount = aB2DTrapVector.size(); + if( !nTrapCount ) + return true; + const bool bDrawn = drawFilledTrapezoids( &aB2DTrapVector[0], nTrapCount, fTransparency ); + return bDrawn; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= + +bool X11SalGraphics::drawFilledTrapezoids( const ::basegfx::B2DTrapezoid* pB2DTraps, int nTrapCount, double fTransparency ) +{ + if( nTrapCount <= 0 ) + return true; + + Picture aDstPic = GetXRenderPicture(); + // check xrender support for this drawable + if( !aDstPic ) + return false; + + // convert the B2DTrapezoids into XRender-Trapezoids + typedef std::vector<XTrapezoid> TrapezoidVector; + TrapezoidVector aTrapVector( nTrapCount ); + const basegfx::B2DTrapezoid* pB2DTrap = pB2DTraps; + for( int i = 0; i < nTrapCount; ++pB2DTrap, ++i ) + { + XTrapezoid& rTrap = aTrapVector[ i ] ; + + // set y-coordinates + const double fY1 = pB2DTrap->getTopY(); + rTrap.left.p1.y = rTrap.right.p1.y = rTrap.top = XDoubleToFixed( fY1 ); + const double fY2 = pB2DTrap->getBottomY(); + rTrap.left.p2.y = rTrap.right.p2.y = rTrap.bottom = XDoubleToFixed( fY2 ); + + // set x-coordinates + const double fXL1 = pB2DTrap->getTopXLeft(); + rTrap.left.p1.x = XDoubleToFixed( fXL1 ); + const double fXR1 = pB2DTrap->getTopXRight(); + rTrap.right.p1.x = XDoubleToFixed( fXR1 ); + const double fXL2 = pB2DTrap->getBottomXLeft(); + rTrap.left.p2.x = XDoubleToFixed( fXL2 ); + const double fXR2 = pB2DTrap->getBottomXRight(); + rTrap.right.p2.x = XDoubleToFixed( fXR2 ); + } + + // get xrender Picture for polygon foreground + // TODO: cache it like the target picture which uses GetXRenderPicture() + XRenderPeer& rRenderPeer = XRenderPeer::GetInstance(); + SalDisplay::RenderEntry& rEntry = GetDisplay()->GetRenderEntries( m_nScreen )[ 32 ]; + if( !rEntry.m_aPicture ) + { + Display* pXDisplay = GetXDisplay(); + + rEntry.m_aPixmap = ::XCreatePixmap( pXDisplay, hDrawable_, 1, 1, 32 ); + XRenderPictureAttributes aAttr; + aAttr.repeat = true; + + XRenderPictFormat* pXRPF = rRenderPeer.FindStandardFormat( PictStandardARGB32 ); + rEntry.m_aPicture = rRenderPeer.CreatePicture( rEntry.m_aPixmap, pXRPF, CPRepeat, &aAttr ); + } + + // set polygon foreground color and opacity + XRenderColor aRenderColor = GetXRenderColor( nBrushColor_ , fTransparency ); + rRenderPeer.FillRectangle( PictOpSrc, rEntry.m_aPicture, &aRenderColor, 0, 0, 1, 1 ); + + // set clipping + // TODO: move into GetXRenderPicture? + if( mpClipRegion && !XEmptyRegion( mpClipRegion ) ) + rRenderPeer.SetPictureClipRegion( aDstPic, mpClipRegion ); + + // render the trapezoids + const XRenderPictFormat* pMaskFormat = rRenderPeer.GetStandardFormatA8(); + rRenderPeer.CompositeTrapezoids( PictOpOver, + rEntry.m_aPicture, aDstPic, pMaskFormat, 0, 0, &aTrapVector[0], aTrapVector.size() ); + + return true; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= + +bool X11SalGraphics::drawPolyLine(const ::basegfx::B2DPolygon& rPolygon, double fTransparency, const ::basegfx::B2DVector& rLineWidth, basegfx::B2DLineJoin eLineJoin) +{ + const bool bIsHairline = (rLineWidth.getX() == rLineWidth.getY()) && (rLineWidth.getX() <= 1.2); + + // #i101491# + if( !bIsHairline && (rPolygon.count() > 1000) ) + { + // the used basegfx::tools::createAreaGeometry is simply too + // expensive with very big polygons; fallback to caller (who + // should use ImplLineConverter normally) + // AW: ImplLineConverter had to be removed since it does not even + // know LineJoins, so the fallback will now prepare the line geometry + // the same way. + return false; + } + + // temporarily adjust brush color to pen color + // since the line is drawn as an area-polygon + const SalColor aKeepBrushColor = nBrushColor_; + nBrushColor_ = nPenColor_; + + // #i11575#desc5#b adjust B2D tesselation result to raster positions + basegfx::B2DPolygon aPolygon = rPolygon; + const double fHalfWidth = 0.5 * rLineWidth.getX(); + aPolygon.transform( basegfx::tools::createTranslateB2DHomMatrix(+fHalfWidth,+fHalfWidth) ); + + // shortcut for hairline drawing to improve performance + bool bDrawnOk = true; + if( bIsHairline ) + { + // hairlines can benefit from a simplified tesselation + // e.g. for hairlines the linejoin style can be ignored + basegfx::B2DTrapezoidVector aB2DTrapVector; + basegfx::tools::createLineTrapezoidFromB2DPolygon( aB2DTrapVector, aPolygon, rLineWidth.getX() ); + + // draw tesselation result + const int nTrapCount = aB2DTrapVector.size(); + if( nTrapCount > 0 ) + bDrawnOk = drawFilledTrapezoids( &aB2DTrapVector[0], nTrapCount, fTransparency ); + + // restore the original brush GC + nBrushColor_ = aKeepBrushColor; + return bDrawnOk; + } + + // get the area polygon for the line polygon + if( (rLineWidth.getX() != rLineWidth.getY()) + && !basegfx::fTools::equalZero( rLineWidth.getY() ) ) + { + // prepare for createAreaGeometry() with anisotropic linewidth + aPolygon.transform( basegfx::tools::createScaleB2DHomMatrix(1.0, rLineWidth.getX() / rLineWidth.getY())); + } + + // create the area-polygon for the line + const basegfx::B2DPolyPolygon aAreaPolyPoly( basegfx::tools::createAreaGeometry(aPolygon, fHalfWidth, eLineJoin) ); + + if( (rLineWidth.getX() != rLineWidth.getY()) + && !basegfx::fTools::equalZero( rLineWidth.getX() ) ) + { + // postprocess createAreaGeometry() for anisotropic linewidth + aPolygon.transform(basegfx::tools::createScaleB2DHomMatrix(1.0, rLineWidth.getY() / rLineWidth.getX())); + } + + // draw each area polypolygon component individually + // to emulate the polypolygon winding rule "non-zero" + const int nPolyCount = aAreaPolyPoly.count(); + for( int nPolyIdx = 0; nPolyIdx < nPolyCount; ++nPolyIdx ) + { + const ::basegfx::B2DPolyPolygon aOnePoly( aAreaPolyPoly.getB2DPolygon( nPolyIdx ) ); + bDrawnOk = drawPolyPolygon( aOnePoly, fTransparency ); + if( !bDrawnOk ) + break; + } + + // restore the original brush GC + nBrushColor_ = aKeepBrushColor; + return bDrawnOk; +} + +// -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-= + |