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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 16:51:28 +0000 |
commit | 940b4d1848e8c70ab7642901a68594e8016caffc (patch) | |
tree | eb72f344ee6c3d9b80a7ecc079ea79e9fba8676d /vcl/unx/generic/gdi/gdiimpl.cxx | |
parent | Initial commit. (diff) | |
download | libreoffice-upstream.tar.xz libreoffice-upstream.zip |
Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/unx/generic/gdi/gdiimpl.cxx')
-rw-r--r-- | vcl/unx/generic/gdi/gdiimpl.cxx | 1993 |
1 files changed, 1993 insertions, 0 deletions
diff --git a/vcl/unx/generic/gdi/gdiimpl.cxx b/vcl/unx/generic/gdi/gdiimpl.cxx new file mode 100644 index 000000000..ee45815a7 --- /dev/null +++ b/vcl/unx/generic/gdi/gdiimpl.cxx @@ -0,0 +1,1993 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <memory> +#include <numeric> + +#include <X11/Xlib.h> +#include <X11/Xutil.h> +#include <X11/extensions/Xrender.h> +#include <X11/Xproto.h> + +#include "gdiimpl.hxx" + +#include <vcl/gradient.hxx> +#include <sal/log.hxx> + +#include <unx/saldisp.hxx> +#include <unx/salbmp.h> +#include <unx/salgdi.h> +#include <unx/salvd.h> +#include <unx/x11/xlimits.hxx> +#include <salframe.hxx> +#include <unx/x11/xrender_peer.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/b2dtrapezoid.hxx> +#include <basegfx/utils/systemdependentdata.hxx> + +#undef SALGDI2_TESTTRANS + +#if (OSL_DEBUG_LEVEL > 1) && defined SALGDI2_TESTTRANS +#define DBG_TESTTRANS( _def_drawable ) \ +{ \ + XCopyArea( pXDisp, _def_drawable, aDrawable, GetCopyGC(), \ + 0, 0, \ + rPosAry.mnDestWidth, rPosAry.mnDestHeight, \ + 0, 0 ); \ +} +#else // (OSL_DEBUG_LEVEL > 1) && defined SALGDI2_TESTTRANS +#define DBG_TESTTRANS( _def_drawable ) +#endif // (OSL_DEBUG_LEVEL > 1) && defined SALGDI2_TESTTRANS + +/* From <X11/Intrinsic.h> */ +typedef unsigned long Pixel; + +class SalPolyLine +{ + std::vector<XPoint> Points_; +public: + SalPolyLine(sal_uLong nPoints, const SalPoint *p) + : Points_(nPoints+1) + { + for (sal_uLong i = 0; i < nPoints; ++i) + { + Points_[i].x = static_cast<short>(p[i].mnX); + Points_[i].y = static_cast<short>(p[i].mnY); + } + Points_[nPoints] = Points_[0]; // close polyline + } + + const XPoint &operator[](sal_uLong n) const + { + return Points_[n]; + } + + XPoint &operator[](sal_uLong n) + { + return Points_[n]; + } +}; + +namespace +{ + void setForeBack(XGCValues& rValues, const SalColormap& rColMap, const SalBitmap& rSalBitmap) + { + rValues.foreground = rColMap.GetWhitePixel(); + rValues.background = rColMap.GetBlackPixel(); + + //fdo#33455 and fdo#80160 handle 1 bit depth pngs with palette entries + //to set fore/back colors + SalBitmap& rBitmap = const_cast<SalBitmap&>(rSalBitmap); + if (BitmapBuffer* pBitmapBuffer = rBitmap.AcquireBuffer(BitmapAccessMode::Read)) + { + const BitmapPalette& rPalette = pBitmapBuffer->maPalette; + if (rPalette.GetEntryCount() == 2) + { + const BitmapColor aWhite(rPalette[rPalette.GetBestIndex(COL_WHITE)]); + rValues.foreground = rColMap.GetPixel(aWhite); + + const BitmapColor aBlack(rPalette[rPalette.GetBestIndex(COL_BLACK)]); + rValues.background = rColMap.GetPixel(aBlack); + } + rBitmap.ReleaseBuffer(pBitmapBuffer, BitmapAccessMode::Read); + } + } +} + +X11SalGraphicsImpl::X11SalGraphicsImpl(X11SalGraphics& rParent): + mrParent(rParent), + mnBrushColor( 0xFF, 0xFF, 0XFF ), + mpBrushGC(nullptr), + mnBrushPixel(0), + mbPenGC(false), + mbBrushGC(false), + mbCopyGC(false), + mbInvertGC(false), + mbInvert50GC(false), + mbStippleGC(false), + mbTrackingGC(false), + mbDitherBrush(false), + mbXORMode(false), + mpPenGC(nullptr), + mnPenColor( 0x00, 0x00, 0x00 ), + mnPenPixel(0), + mpMonoGC(nullptr), + mpCopyGC(nullptr), + mpMaskGC(nullptr), + mpInvertGC(nullptr), + mpInvert50GC(nullptr), + mpStippleGC(nullptr), + mpTrackingGC(nullptr) +{ +} + +X11SalGraphicsImpl::~X11SalGraphicsImpl() +{ +} + +void X11SalGraphicsImpl::Init() +{ + mnPenPixel = mrParent.GetPixel( mnPenColor ); + mnBrushPixel = mrParent.GetPixel( mnBrushColor ); +} + +XID X11SalGraphicsImpl::GetXRenderPicture() +{ + XRenderPeer& rRenderPeer = XRenderPeer::GetInstance(); + + if( !mrParent.m_aXRenderPicture ) + { + // check xrender support for matching visual + XRenderPictFormat* pXRenderFormat = mrParent.GetXRenderFormat(); + if( !pXRenderFormat ) + return 0; + // get the matching xrender target for drawable + mrParent.m_aXRenderPicture = rRenderPeer.CreatePicture( mrParent.hDrawable_, pXRenderFormat, 0, nullptr ); + } + + { + // reset clip region + // TODO: avoid clip reset if already done + XRenderPictureAttributes aAttr; + aAttr.clip_mask = None; + rRenderPeer.ChangePicture( mrParent.m_aXRenderPicture, CPClipMask, &aAttr ); + } + + return mrParent.m_aXRenderPicture; +} + +static void freeGC(Display *pDisplay, GC& rGC) +{ + if( rGC ) + { + XFreeGC( pDisplay, rGC ); + rGC = None; + } +} + +void X11SalGraphicsImpl::freeResources() +{ + Display *pDisplay = mrParent.GetXDisplay(); + + freeGC( pDisplay, mpPenGC ); + freeGC( pDisplay, mpBrushGC ); + freeGC( pDisplay, mpMonoGC ); + freeGC( pDisplay, mpTrackingGC ); + freeGC( pDisplay, mpCopyGC ); + freeGC( pDisplay, mpMaskGC ); + freeGC( pDisplay, mpInvertGC ); + freeGC( pDisplay, mpInvert50GC ); + freeGC( pDisplay, mpStippleGC ); + mbTrackingGC = mbPenGC = mbBrushGC = mbCopyGC = mbInvertGC = mbInvert50GC = mbStippleGC = false; +} + +GC X11SalGraphicsImpl::CreateGC( Drawable hDrawable, unsigned long nMask ) +{ + XGCValues values; + + values.graphics_exposures = False; + values.foreground = mrParent.m_pColormap->GetBlackPixel() + ^ mrParent.m_pColormap->GetWhitePixel(); + values.function = GXxor; + values.line_width = 1; + values.fill_style = FillStippled; + values.stipple = mrParent.GetDisplay()->GetInvert50( mrParent.m_nXScreen ); + values.subwindow_mode = ClipByChildren; + + return XCreateGC( mrParent.GetXDisplay(), hDrawable, nMask | GCSubwindowMode, &values ); +} + +inline GC X11SalGraphicsImpl::GetCopyGC() +{ + if( mbXORMode ) return GetInvertGC(); + + if( !mpCopyGC ) + mpCopyGC = CreateGC( mrParent.GetDrawable() ); + + if( !mbCopyGC ) + { + mrParent.SetClipRegion( mpCopyGC ); + mbCopyGC = true; + } + return mpCopyGC; +} + +GC X11SalGraphicsImpl::GetTrackingGC() +{ + const char dash_list[2] = {2, 2}; + + if( !mpTrackingGC ) + { + XGCValues values; + + values.graphics_exposures = False; + values.foreground = mrParent.m_pColormap->GetBlackPixel() + ^ mrParent.m_pColormap->GetWhitePixel(); + values.function = GXxor; + values.line_width = 1; + values.line_style = LineOnOffDash; + + mpTrackingGC = XCreateGC( mrParent.GetXDisplay(), mrParent.GetDrawable(), + GCGraphicsExposures | GCForeground | GCFunction + | GCLineWidth | GCLineStyle, + &values ); + XSetDashes( mrParent.GetXDisplay(), mpTrackingGC, 0, dash_list, 2 ); + } + + if( !mbTrackingGC ) + { + mrParent.SetClipRegion( mpTrackingGC ); + mbTrackingGC = true; + } + + return mpTrackingGC; +} + +GC X11SalGraphicsImpl::GetInvertGC() +{ + if( !mpInvertGC ) + mpInvertGC = CreateGC( mrParent.GetDrawable(), + GCGraphicsExposures + | GCForeground + | GCFunction + | GCLineWidth ); + + if( !mbInvertGC ) + { + mrParent.SetClipRegion( mpInvertGC ); + mbInvertGC = true; + } + return mpInvertGC; +} + +GC X11SalGraphicsImpl::GetInvert50GC() +{ + if( !mpInvert50GC ) + { + XGCValues values; + + values.graphics_exposures = False; + values.foreground = mrParent.m_pColormap->GetWhitePixel(); + values.background = mrParent.m_pColormap->GetBlackPixel(); + values.function = GXinvert; + values.line_width = 1; + values.line_style = LineSolid; + unsigned long const nValueMask = + GCGraphicsExposures + | GCForeground + | GCBackground + | GCFunction + | GCLineWidth + | GCLineStyle + | GCFillStyle + | GCStipple; + + values.fill_style = FillStippled; + values.stipple = mrParent.GetDisplay()->GetInvert50( mrParent.m_nXScreen ); + + mpInvert50GC = XCreateGC( mrParent.GetXDisplay(), mrParent.GetDrawable(), + nValueMask, + &values ); + } + + if( !mbInvert50GC ) + { + mrParent.SetClipRegion( mpInvert50GC ); + mbInvert50GC = true; + } + return mpInvert50GC; +} + +inline GC X11SalGraphicsImpl::GetStippleGC() +{ + if( !mpStippleGC ) + mpStippleGC = CreateGC( mrParent.GetDrawable(), + GCGraphicsExposures + | GCFillStyle + | GCLineWidth ); + + if( !mbStippleGC ) + { + XSetFunction( mrParent.GetXDisplay(), mpStippleGC, mbXORMode ? GXxor : GXcopy ); + mrParent.SetClipRegion( mpStippleGC ); + mbStippleGC = true; + } + + return mpStippleGC; +} + +GC X11SalGraphicsImpl::SelectBrush() +{ + Display *pDisplay = mrParent.GetXDisplay(); + + SAL_WARN_IF( mnBrushColor == SALCOLOR_NONE, "vcl", "Brush Transparent" ); + + if( !mpBrushGC ) + { + XGCValues values; + values.subwindow_mode = ClipByChildren; + values.fill_rule = EvenOddRule; // Pict import/ Gradient + values.graphics_exposures = False; + + mpBrushGC = XCreateGC( pDisplay, mrParent.hDrawable_, + GCSubwindowMode | GCFillRule | GCGraphicsExposures, + &values ); + } + + if( !mbBrushGC ) + { + if( !mbDitherBrush ) + { + XSetFillStyle ( pDisplay, mpBrushGC, FillSolid ); + XSetForeground( pDisplay, mpBrushGC, mnBrushPixel ); + } + else + { + XSetFillStyle ( pDisplay, mpBrushGC, FillTiled ); + XSetTile ( pDisplay, mpBrushGC, mrParent.hBrush_ ); + } + XSetFunction ( pDisplay, mpBrushGC, mbXORMode ? GXxor : GXcopy ); + mrParent.SetClipRegion( mpBrushGC ); + + mbBrushGC = true; + } + + return mpBrushGC; +} + +GC X11SalGraphicsImpl::SelectPen() +{ + Display *pDisplay = mrParent.GetXDisplay(); + + if( !mpPenGC ) + { + XGCValues values; + values.subwindow_mode = ClipByChildren; + values.fill_rule = EvenOddRule; // Pict import/ Gradient + values.graphics_exposures = False; + + mpPenGC = XCreateGC( pDisplay, mrParent.hDrawable_, + GCSubwindowMode | GCFillRule | GCGraphicsExposures, + &values ); + } + + if( !mbPenGC ) + { + if( mnPenColor != SALCOLOR_NONE ) + XSetForeground( pDisplay, mpPenGC, mnPenPixel ); + XSetFunction ( pDisplay, mpPenGC, mbXORMode ? GXxor : GXcopy ); + mrParent.SetClipRegion( mpPenGC ); + mbPenGC = true; + } + + return mpPenGC; +} + +void X11SalGraphicsImpl::DrawLines(sal_uInt32 nPoints, + const SalPolyLine &rPoints, + GC pGC, + bool bClose) +{ + // calculate how many lines XWindow can draw in one go + sal_uLong nMaxLines = (mrParent.GetDisplay()->GetMaxRequestSize() - sizeof(xPolyPointReq)) + / sizeof(xPoint); + if( nMaxLines > nPoints ) nMaxLines = nPoints; + + // print all lines that XWindows can draw + sal_uLong n; + for( n = 0; nPoints - n > nMaxLines; n += nMaxLines - 1 ) + XDrawLines( mrParent.GetXDisplay(), + mrParent.GetDrawable(), + pGC, + const_cast<XPoint*>(&rPoints[n]), + nMaxLines, + CoordModeOrigin ); + + if( n < nPoints ) + XDrawLines( mrParent.GetXDisplay(), + mrParent.GetDrawable(), + pGC, + const_cast<XPoint*>(&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 ); + } +} + +void X11SalGraphicsImpl::copyBits( const SalTwoRect& rPosAry, + SalGraphics *pSSrcGraphics ) +{ + X11SalGraphics* pSrcGraphics = pSSrcGraphics + ? static_cast<X11SalGraphics*>(pSSrcGraphics) + : &mrParent; + + if( rPosAry.mnSrcWidth <= 0 + || rPosAry.mnSrcHeight <= 0 + || rPosAry.mnDestWidth <= 0 + || rPosAry.mnDestHeight <= 0 ) + { + return; + } + + int n; + if( pSrcGraphics == &mrParent ) + { + n = 2; + } + else if( pSrcGraphics->bWindow_ ) + { + // window or compatible virtual device + if( pSrcGraphics->GetDisplay() == mrParent.GetDisplay() && + pSrcGraphics->m_nXScreen == mrParent.m_nXScreen && + pSrcGraphics->GetVisual().GetDepth() == mrParent.GetVisual().GetDepth() + ) + n = 2; // same Display + else + n = 1; // printer or other display + } + else if( pSrcGraphics->bVirDev_ ) + { + n = 1; // window or compatible virtual device + } + else + n = 0; + + if( n == 2 + && rPosAry.mnSrcWidth == rPosAry.mnDestWidth + && rPosAry.mnSrcHeight == rPosAry.mnDestHeight + ) + { + // #i60699# Need to generate graphics exposures (to repaint + // obscured areas beneath overlapping windows), src and dest + // are the same window. + const bool bNeedGraphicsExposures( pSrcGraphics == &mrParent && + !mrParent.bVirDev_ && + pSrcGraphics->bWindow_ ); + + GC pCopyGC = GetCopyGC(); + + if( bNeedGraphicsExposures ) + XSetGraphicsExposures( mrParent.GetXDisplay(), + pCopyGC, + True ); + + XCopyArea( mrParent.GetXDisplay(), + pSrcGraphics->GetDrawable(), // source + mrParent.GetDrawable(), // destination + pCopyGC, // destination clipping + rPosAry.mnSrcX, rPosAry.mnSrcY, + rPosAry.mnSrcWidth, rPosAry.mnSrcHeight, + rPosAry.mnDestX, rPosAry.mnDestY ); + + if( bNeedGraphicsExposures ) + { + mrParent.YieldGraphicsExpose(); + + if( pCopyGC ) + XSetGraphicsExposures( mrParent.GetXDisplay(), + pCopyGC, + False ); + } + } + else if( n ) + { + // #i60699# No chance to handle graphics exposures - we copy + // to a temp bitmap first, into which no repaints are + // technically possible. + std::shared_ptr<SalBitmap> xDDB(pSrcGraphics->getBitmap( rPosAry.mnSrcX, + rPosAry.mnSrcY, + rPosAry.mnSrcWidth, + rPosAry.mnSrcHeight )); + + if( !xDDB ) + { + SAL_WARN( "vcl", "SalGraphics::CopyBits !pSrcGraphics->GetBitmap()" ); + return; + } + + SalTwoRect aPosAry( rPosAry ); + + aPosAry.mnSrcX = 0; + aPosAry.mnSrcY = 0; + drawBitmap( aPosAry, *xDDB ); + } + else { + SAL_WARN( "vcl", "X11SalGraphicsImpl::CopyBits from Printer not yet implemented" ); + } +} + +void X11SalGraphicsImpl::copyArea ( long nDestX, long nDestY, + long nSrcX, long nSrcY, + long nSrcWidth, long nSrcHeight, + bool /*bWindowInvalidate*/) +{ + SalTwoRect aPosAry(nSrcX, nSrcY, nSrcWidth, nSrcHeight, nDestX, nDestY, nSrcWidth, nSrcHeight); + copyBits(aPosAry, nullptr); +} + +void X11SalGraphicsImpl::drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) +{ + const SalDisplay* pSalDisp = mrParent.GetDisplay(); + Display* pXDisp = pSalDisp->GetDisplay(); + const Drawable aDrawable( mrParent.GetDrawable() ); + const SalColormap& rColMap = pSalDisp->GetColormap( mrParent.m_nXScreen ); + const long nDepth = mrParent.GetDisplay()->GetVisual( mrParent.m_nXScreen ).GetDepth(); + GC aGC( GetCopyGC() ); + XGCValues aOldVal, aNewVal; + int nValues = GCForeground | GCBackground; + + if( rSalBitmap.GetBitCount() == 1 ) + { + // set foreground/background values for 1Bit bitmaps + XGetGCValues( pXDisp, aGC, nValues, &aOldVal ); + setForeBack(aNewVal, rColMap, rSalBitmap); + XChangeGC( pXDisp, aGC, nValues, &aNewVal ); + } + + static_cast<const X11SalBitmap&>(rSalBitmap).ImplDraw( aDrawable, mrParent.m_nXScreen, nDepth, rPosAry, aGC ); + + if( rSalBitmap.GetBitCount() == 1 ) + XChangeGC( pXDisp, aGC, nValues, &aOldVal ); + XFlush( pXDisp ); +} + +void X11SalGraphicsImpl::drawBitmap( const SalTwoRect& rPosAry, + const SalBitmap& rSrcBitmap, + const SalBitmap& rMaskBitmap ) +{ + // decide if alpha masking or transparency masking is needed + BitmapBuffer* pAlphaBuffer = const_cast<SalBitmap&>(rMaskBitmap).AcquireBuffer( BitmapAccessMode::Read ); + if( pAlphaBuffer != nullptr ) + { + ScanlineFormat nMaskFormat = pAlphaBuffer->mnFormat; + const_cast<SalBitmap&>(rMaskBitmap).ReleaseBuffer( pAlphaBuffer, BitmapAccessMode::Read ); + if( nMaskFormat == ScanlineFormat::N8BitPal ) + drawAlphaBitmap( rPosAry, rSrcBitmap, rMaskBitmap ); + } + + drawMaskedBitmap( rPosAry, rSrcBitmap, rMaskBitmap ); +} + +void X11SalGraphicsImpl::drawMaskedBitmap( const SalTwoRect& rPosAry, + const SalBitmap& rSalBitmap, + const SalBitmap& rTransBitmap ) +{ + const SalDisplay* pSalDisp = mrParent.GetDisplay(); + Display* pXDisp = pSalDisp->GetDisplay(); + Drawable aDrawable( mrParent.GetDrawable() ); + + // figure work mode depth. If this is a VDev Drawable, use its + // bitdepth to create pixmaps for, otherwise, XCopyArea will + // refuse to work. + const sal_uInt16 nDepth( mrParent.m_pVDev ? + static_cast< X11SalVirtualDevice* >(mrParent.m_pVDev)->GetDepth() : + pSalDisp->GetVisual( mrParent.m_nXScreen ).GetDepth() ); + Pixmap aFG( limitXCreatePixmap( pXDisp, aDrawable, rPosAry.mnDestWidth, + rPosAry.mnDestHeight, nDepth ) ); + Pixmap aBG( limitXCreatePixmap( pXDisp, aDrawable, rPosAry.mnDestWidth, + rPosAry.mnDestHeight, nDepth ) ); + + if( aFG && aBG ) + { + GC aTmpGC; + XGCValues aValues; + setForeBack(aValues, pSalDisp->GetColormap(mrParent.m_nXScreen), rSalBitmap); + const int nValues = GCFunction | GCForeground | GCBackground; + SalTwoRect aTmpRect( rPosAry ); aTmpRect.mnDestX = aTmpRect.mnDestY = 0; + + // draw paint bitmap in pixmap #1 + aValues.function = GXcopy; + aTmpGC = XCreateGC( pXDisp, aFG, nValues, &aValues ); + static_cast<const X11SalBitmap&>(rSalBitmap).ImplDraw( aFG, mrParent.m_nXScreen, nDepth, aTmpRect, aTmpGC ); + DBG_TESTTRANS( aFG ); + + // draw background in pixmap #2 + XCopyArea( pXDisp, aDrawable, aBG, aTmpGC, + rPosAry.mnDestX, rPosAry.mnDestY, + rPosAry.mnDestWidth, rPosAry.mnDestHeight, + 0, 0 ); + + DBG_TESTTRANS( aBG ); + + // mask out paint bitmap in pixmap #1 (transparent areas 0) + aValues.function = GXand; + aValues.foreground = 0x00000000; + aValues.background = 0xffffffff; + XChangeGC( pXDisp, aTmpGC, nValues, &aValues ); + static_cast<const X11SalBitmap&>(rTransBitmap).ImplDraw( aFG, mrParent.m_nXScreen, 1, aTmpRect, aTmpGC ); + + DBG_TESTTRANS( aFG ); + + // #105055# For XOR mode, keep background behind bitmap intact + if( !mbXORMode ) + { + // mask out background in pixmap #2 (nontransparent areas 0) + aValues.function = GXand; + aValues.foreground = 0xffffffff; + aValues.background = 0x00000000; + XChangeGC( pXDisp, aTmpGC, nValues, &aValues ); + static_cast<const X11SalBitmap&>(rTransBitmap).ImplDraw( aBG, mrParent.m_nXScreen, 1, aTmpRect, aTmpGC ); + + DBG_TESTTRANS( aBG ); + } + + // merge pixmap #1 and pixmap #2 in pixmap #2 + aValues.function = GXxor; + aValues.foreground = 0xffffffff; + aValues.background = 0x00000000; + XChangeGC( pXDisp, aTmpGC, nValues, &aValues ); + XCopyArea( pXDisp, aFG, aBG, aTmpGC, + 0, 0, + rPosAry.mnDestWidth, rPosAry.mnDestHeight, + 0, 0 ); + DBG_TESTTRANS( aBG ); + + // #105055# Disable XOR temporarily + bool bOldXORMode( mbXORMode ); + mbXORMode = false; + + // copy pixmap #2 (result) to background + XCopyArea( pXDisp, aBG, aDrawable, GetCopyGC(), + 0, 0, + rPosAry.mnDestWidth, rPosAry.mnDestHeight, + rPosAry.mnDestX, rPosAry.mnDestY ); + + DBG_TESTTRANS( aBG ); + + mbXORMode = bOldXORMode; + + XFreeGC( pXDisp, aTmpGC ); + XFlush( pXDisp ); + } + else + drawBitmap( rPosAry, rSalBitmap ); + + if( aFG ) + XFreePixmap( pXDisp, aFG ); + + if( aBG ) + XFreePixmap( pXDisp, aBG ); +} + +bool X11SalGraphicsImpl::blendBitmap( const SalTwoRect&, + const SalBitmap& ) +{ + return false; +} + +bool X11SalGraphicsImpl::blendAlphaBitmap( const SalTwoRect&, + const SalBitmap&, const SalBitmap&, const SalBitmap& ) +{ + return false; +} + +bool X11SalGraphicsImpl::drawAlphaBitmap( const SalTwoRect& rTR, + const SalBitmap& rSrcBitmap, const SalBitmap& rAlphaBmp ) +{ + // non 8-bit alpha not implemented yet + if( rAlphaBmp.GetBitCount() != 8 ) + return false; + + // horizontal mirroring not implemented yet + if( rTR.mnDestWidth < 0 ) + return false; + + // stretched conversion is not implemented yet + if( rTR.mnDestWidth != rTR.mnSrcWidth ) + return false; + if( rTR.mnDestHeight!= rTR.mnSrcHeight ) + return false; + + // create destination picture + Picture aDstPic = GetXRenderPicture(); + if( !aDstPic ) + return false; + + const SalDisplay* pSalDisp = mrParent.GetDisplay(); + const SalVisual& rSalVis = pSalDisp->GetVisual( mrParent.m_nXScreen ); + Display* pXDisplay = pSalDisp->GetDisplay(); + + // create source Picture + int nDepth = mrParent.m_pVDev ? static_cast< X11SalVirtualDevice* >(mrParent.m_pVDev)->GetDepth() : rSalVis.GetDepth(); + const X11SalBitmap& rSrcX11Bmp = static_cast<const X11SalBitmap&>( rSrcBitmap ); + ImplSalDDB* pSrcDDB = rSrcX11Bmp.ImplGetDDB( mrParent.hDrawable_, mrParent.m_nXScreen, nDepth, rTR ); + if( !pSrcDDB ) + return false; + + //#i75249# workaround for ImplGetDDB() giving us back a different depth than + // we requested. E.g. mask pixmaps are always compatible with the drawable + // TODO: find an appropriate picture format for these cases + // then remove the workaround below and the one for #i75531# + if( nDepth != pSrcDDB->ImplGetDepth() ) + return false; + + Pixmap aSrcPM = pSrcDDB->ImplGetPixmap(); + if( !aSrcPM ) + return false; + + // create source picture + // TODO: use scoped picture + Visual* pSrcXVisual = rSalVis.GetVisual(); + XRenderPeer& rPeer = XRenderPeer::GetInstance(); + XRenderPictFormat* pSrcVisFmt = rPeer.FindVisualFormat( pSrcXVisual ); + if( !pSrcVisFmt ) + return false; + Picture aSrcPic = rPeer.CreatePicture( aSrcPM, pSrcVisFmt, 0, nullptr ); + if( !aSrcPic ) + return false; + + // create alpha Picture + + // TODO: use SalX11Bitmap functionality and caching for the Alpha Pixmap + // problem is that they don't provide an 8bit Pixmap on a non-8bit display + BitmapBuffer* pAlphaBuffer = const_cast<SalBitmap&>(rAlphaBmp).AcquireBuffer( BitmapAccessMode::Read ); + + // an XImage needs its data top_down + // TODO: avoid wrongly oriented images in upper layers! + const int nImageSize = pAlphaBuffer->mnHeight * pAlphaBuffer->mnScanlineSize; + const char* pSrcBits = reinterpret_cast<char*>(pAlphaBuffer->mpBits); + char* pAlphaBits = new char[ nImageSize ]; + if( pAlphaBuffer->mnFormat & ScanlineFormat::TopDown ) + memcpy( pAlphaBits, pSrcBits, nImageSize ); + else + { + char* pDstBits = pAlphaBits + nImageSize; + const int nLineSize = pAlphaBuffer->mnScanlineSize; + for(; (pDstBits -= nLineSize) >= pAlphaBits; pSrcBits += nLineSize ) + memcpy( pDstBits, pSrcBits, nLineSize ); + } + + // the alpha values need to be inverted for XRender + // TODO: make upper layers use standard alpha + long* pLDst = reinterpret_cast<long*>(pAlphaBits); + for( int i = nImageSize/sizeof(long); --i >= 0; ++pLDst ) + *pLDst = ~*pLDst; + + char* pCDst = reinterpret_cast<char*>(pLDst); + for( int i = nImageSize & (sizeof(long)-1); --i >= 0; ++pCDst ) + *pCDst = ~*pCDst; + + const XRenderPictFormat* pAlphaFormat = rPeer.GetStandardFormatA8(); + XImage* pAlphaImg = XCreateImage( pXDisplay, pSrcXVisual, 8, ZPixmap, 0, + pAlphaBits, pAlphaBuffer->mnWidth, pAlphaBuffer->mnHeight, + pAlphaFormat->depth, pAlphaBuffer->mnScanlineSize ); + + Pixmap aAlphaPM = limitXCreatePixmap( pXDisplay, mrParent.hDrawable_, + rTR.mnDestWidth, rTR.mnDestHeight, 8 ); + + XGCValues aAlphaGCV; + aAlphaGCV.function = GXcopy; + GC aAlphaGC = XCreateGC( pXDisplay, aAlphaPM, GCFunction, &aAlphaGCV ); + XPutImage( pXDisplay, aAlphaPM, aAlphaGC, pAlphaImg, + rTR.mnSrcX, rTR.mnSrcY, 0, 0, rTR.mnDestWidth, rTR.mnDestHeight ); + XFreeGC( pXDisplay, aAlphaGC ); + XFree( pAlphaImg ); + if( pAlphaBits != reinterpret_cast<char*>(pAlphaBuffer->mpBits) ) + delete[] pAlphaBits; + + const_cast<SalBitmap&>(rAlphaBmp).ReleaseBuffer( pAlphaBuffer, BitmapAccessMode::Read ); + + XRenderPictureAttributes aAttr; + aAttr.repeat = int(true); + Picture aAlphaPic = rPeer.CreatePicture( aAlphaPM, pAlphaFormat, CPRepeat, &aAttr ); + if( !aAlphaPic ) + return false; + + // set clipping + if( mrParent.mpClipRegion && !XEmptyRegion( mrParent.mpClipRegion ) ) + rPeer.SetPictureClipRegion( aDstPic, mrParent.mpClipRegion ); + + // paint source * mask over destination picture + rPeer.CompositePicture( PictOpOver, aSrcPic, aAlphaPic, aDstPic, + rTR.mnSrcX, rTR.mnSrcY, + rTR.mnDestX, rTR.mnDestY, rTR.mnDestWidth, rTR.mnDestHeight ); + + rPeer.FreePicture( aAlphaPic ); + XFreePixmap(pXDisplay, aAlphaPM); + rPeer.FreePicture( aSrcPic ); + return true; +} + +bool X11SalGraphicsImpl::drawTransformedBitmap( + const basegfx::B2DPoint&, + const basegfx::B2DPoint&, + const basegfx::B2DPoint&, + const SalBitmap&, + const SalBitmap*) +{ + // here direct support for transformed bitmaps can be implemented + return false; +} + +bool X11SalGraphicsImpl::drawAlphaRect( long nX, long nY, long nWidth, + long nHeight, sal_uInt8 nTransparency ) +{ + if( ! mrParent.m_pFrame && ! mrParent.m_pVDev ) + return false; + + if( mbPenGC || !mbBrushGC || mbXORMode ) + return false; // can only perform solid fills without XOR. + + if( mrParent.m_pVDev && static_cast< X11SalVirtualDevice* >(mrParent.m_pVDev)->GetDepth() < 8 ) + return false; + + Picture aDstPic = GetXRenderPicture(); + if( !aDstPic ) + return false; + + const double fTransparency = (100 - nTransparency) * (1.0/100); + const XRenderColor aRenderColor = GetXRenderColor( mnBrushColor , fTransparency); + + XRenderPeer& rPeer = XRenderPeer::GetInstance(); + rPeer.FillRectangle( PictOpOver, + aDstPic, + &aRenderColor, + nX, nY, + nWidth, nHeight ); + + return true; +} + +void X11SalGraphicsImpl::drawMask( const SalTwoRect& rPosAry, + const SalBitmap &rSalBitmap, + Color nMaskColor ) +{ + const SalDisplay* pSalDisp = mrParent.GetDisplay(); + Display* pXDisp = pSalDisp->GetDisplay(); + Drawable aDrawable( mrParent.GetDrawable() ); + Pixmap aStipple( limitXCreatePixmap( pXDisp, aDrawable, + rPosAry.mnDestWidth, + rPosAry.mnDestHeight, 1 ) ); + + if( aStipple ) + { + SalTwoRect aTwoRect( rPosAry ); aTwoRect.mnDestX = aTwoRect.mnDestY = 0; + GC aTmpGC; + XGCValues aValues; + + // create a stipple bitmap first (set bits are changed to unset bits and vice versa) + aValues.function = GXcopyInverted; + aValues.foreground = 1; + aValues.background = 0; + aTmpGC = XCreateGC( pXDisp, aStipple, GCFunction | GCForeground | GCBackground, &aValues ); + static_cast<const X11SalBitmap&>(rSalBitmap).ImplDraw( aStipple, mrParent.m_nXScreen, 1, aTwoRect, aTmpGC ); + + XFreeGC( pXDisp, aTmpGC ); + + // Set stipple and draw rectangle + GC aStippleGC( GetStippleGC() ); + int nX = rPosAry.mnDestX, nY = rPosAry.mnDestY; + + XSetStipple( pXDisp, aStippleGC, aStipple ); + XSetTSOrigin( pXDisp, aStippleGC, nX, nY ); + XSetForeground( pXDisp, aStippleGC, mrParent.GetPixel( nMaskColor ) ); + XFillRectangle( pXDisp, aDrawable, aStippleGC, + nX, nY, + rPosAry.mnDestWidth, rPosAry.mnDestHeight ); + XFreePixmap( pXDisp, aStipple ); + XFlush( pXDisp ); + } + else + drawBitmap( rPosAry, rSalBitmap ); +} + +void X11SalGraphicsImpl::ResetClipRegion() +{ + if( mrParent.mpClipRegion ) + { + mbPenGC = false; + mbBrushGC = false; + mbCopyGC = false; + mbInvertGC = false; + mbInvert50GC = false; + mbStippleGC = false; + mbTrackingGC = false; + + XDestroyRegion( mrParent.mpClipRegion ); + mrParent.mpClipRegion = nullptr; + } +} + +bool X11SalGraphicsImpl::setClipRegion( const vcl::Region& i_rClip ) +{ + if( mrParent.mpClipRegion ) + XDestroyRegion( mrParent.mpClipRegion ); + mrParent.mpClipRegion = XCreateRegion(); + + RectangleVector aRectangles; + i_rClip.GetRegionRectangles(aRectangles); + + for (auto const& rectangle : aRectangles) + { + const long nW(rectangle.GetWidth()); + + if(nW) + { + const long nH(rectangle.GetHeight()); + + if(nH) + { + XRectangle aRect; + + aRect.x = static_cast<short>(rectangle.Left()); + aRect.y = static_cast<short>(rectangle.Top()); + aRect.width = static_cast<unsigned short>(nW); + aRect.height = static_cast<unsigned short>(nH); + XUnionRectWithRegion(&aRect, mrParent.mpClipRegion, mrParent.mpClipRegion); + } + } + } + + //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, mrParent.mpClipRegion, mrParent.mpClipRegion ); + // } + // bRegionRect = i_rClip.ImplGetNextRect( aInfo, nX, nY, nW, nH ); + //} + + // done, invalidate GCs + mbPenGC = false; + mbBrushGC = false; + mbCopyGC = false; + mbInvertGC = false; + mbInvert50GC = false; + mbStippleGC = false; + mbTrackingGC = false; + + if( XEmptyRegion( mrParent.mpClipRegion ) ) + { + XDestroyRegion( mrParent.mpClipRegion ); + mrParent.mpClipRegion= nullptr; + } + return true; +} + +void X11SalGraphicsImpl::SetLineColor() +{ + if( mnPenColor != SALCOLOR_NONE ) + { + mnPenColor = SALCOLOR_NONE; + mbPenGC = false; + } +} + +void X11SalGraphicsImpl::SetLineColor( Color nColor ) +{ + if( mnPenColor != nColor ) + { + mnPenColor = nColor; + mnPenPixel = mrParent.GetPixel( nColor ); + mbPenGC = false; + } +} + +void X11SalGraphicsImpl::SetFillColor() +{ + if( mnBrushColor != SALCOLOR_NONE ) + { + mbDitherBrush = false; + mnBrushColor = SALCOLOR_NONE; + mbBrushGC = false; + } +} + +void X11SalGraphicsImpl::SetFillColor( Color nColor ) +{ + if( mnBrushColor != nColor ) + { + mbDitherBrush = false; + mnBrushColor = nColor; + mnBrushPixel = mrParent.GetPixel( nColor ); + if( TrueColor != mrParent.GetColormap().GetVisual().GetClass() + && mrParent.GetColormap().GetColor( mnBrushPixel ) != mnBrushColor + && nColor != Color( 0x00, 0x00, 0x00 ) // black + && nColor != Color( 0x00, 0x00, 0x80 ) // blue + && nColor != Color( 0x00, 0x80, 0x00 ) // green + && nColor != Color( 0x00, 0x80, 0x80 ) // cyan + && nColor != Color( 0x80, 0x00, 0x00 ) // red + && nColor != Color( 0x80, 0x00, 0x80 ) // magenta + && nColor != Color( 0x80, 0x80, 0x00 ) // brown + && nColor != Color( 0x80, 0x80, 0x80 ) // gray + && nColor != Color( 0xC0, 0xC0, 0xC0 ) // light gray + && nColor != Color( 0x00, 0x00, 0xFF ) // light blue + && nColor != Color( 0x00, 0xFF, 0x00 ) // light green + && nColor != Color( 0x00, 0xFF, 0xFF ) // light cyan + && nColor != Color( 0xFF, 0x00, 0x00 ) // light red + && nColor != Color( 0xFF, 0x00, 0xFF ) // light magenta + && nColor != Color( 0xFF, 0xFF, 0x00 ) // light brown + && nColor != Color( 0xFF, 0xFF, 0xFF ) ) + mbDitherBrush = mrParent.GetDitherPixmap(nColor); + mbBrushGC = false; + } +} + +void X11SalGraphicsImpl::SetROPLineColor( SalROPColor nROPColor ) +{ + switch( nROPColor ) + { + case SalROPColor::N0 : // 0 + mnPenPixel = Pixel(0); + break; + case SalROPColor::N1 : // 1 + mnPenPixel = static_cast<Pixel>(1 << mrParent.GetVisual().GetDepth()) - 1; + break; + case SalROPColor::Invert : // 2 + mnPenPixel = static_cast<Pixel>(1 << mrParent.GetVisual().GetDepth()) - 1; + break; + } + mnPenColor = mrParent.GetColormap().GetColor( mnPenPixel ); + mbPenGC = false; +} + +void X11SalGraphicsImpl::SetROPFillColor( SalROPColor nROPColor ) +{ + switch( nROPColor ) + { + case SalROPColor::N0 : // 0 + mnBrushPixel = Pixel(0); + break; + case SalROPColor::N1 : // 1 + mnBrushPixel = static_cast<Pixel>(1 << mrParent.GetVisual().GetDepth()) - 1; + break; + case SalROPColor::Invert : // 2 + mnBrushPixel = static_cast<Pixel>(1 << mrParent.GetVisual().GetDepth()) - 1; + break; + } + mbDitherBrush = false; + mnBrushColor = mrParent.GetColormap().GetColor( mnBrushPixel ); + mbBrushGC = false; +} + +void X11SalGraphicsImpl::SetXORMode( bool bSet, bool ) +{ + if (mbXORMode != bSet) + { + mbXORMode = bSet; + mbPenGC = false; + mbBrushGC = false; + mbCopyGC = false; + mbInvertGC = false; + mbInvert50GC = false; + mbStippleGC = false; + mbTrackingGC = false; + } +} + +void X11SalGraphicsImpl::drawPixel( long nX, long nY ) +{ + if( mnPenColor != SALCOLOR_NONE ) + XDrawPoint( mrParent.GetXDisplay(), mrParent.GetDrawable(), SelectPen(), nX, nY ); +} + +void X11SalGraphicsImpl::drawPixel( long nX, long nY, Color nColor ) +{ + if( nColor != SALCOLOR_NONE ) + { + Display *pDisplay = mrParent.GetXDisplay(); + + if( (mnPenColor == SALCOLOR_NONE) && !mbPenGC ) + { + SetLineColor( nColor ); + XDrawPoint( pDisplay, mrParent.GetDrawable(), SelectPen(), nX, nY ); + mnPenColor = SALCOLOR_NONE; + mbPenGC = False; + } + else + { + GC pGC = SelectPen(); + + if( nColor != mnPenColor ) + XSetForeground( pDisplay, pGC, mrParent.GetPixel( nColor ) ); + + XDrawPoint( pDisplay, mrParent.GetDrawable(), pGC, nX, nY ); + + if( nColor != mnPenColor ) + XSetForeground( pDisplay, pGC, mnPenPixel ); + } + } +} + +void X11SalGraphicsImpl::drawLine( long nX1, long nY1, long nX2, long nY2 ) +{ + if( mnPenColor != SALCOLOR_NONE ) + { + XDrawLine( mrParent.GetXDisplay(), mrParent.GetDrawable(),SelectPen(), + nX1, nY1, nX2, nY2 ); + } +} + +void X11SalGraphicsImpl::drawRect( long nX, long nY, long nDX, long nDY ) +{ + if( mnBrushColor != SALCOLOR_NONE ) + { + XFillRectangle( mrParent.GetXDisplay(), + mrParent.GetDrawable(), + SelectBrush(), + nX, nY, nDX, nDY ); + } + // description DrawRect is wrong; thus -1 + if( mnPenColor != SALCOLOR_NONE ) + XDrawRectangle( mrParent.GetXDisplay(), + mrParent.GetDrawable(), + SelectPen(), + nX, nY, nDX-1, nDY-1 ); +} + +void X11SalGraphicsImpl::drawPolyLine( sal_uInt32 nPoints, const SalPoint *pPtAry ) +{ + drawPolyLine( nPoints, pPtAry, false ); +} + +void X11SalGraphicsImpl::drawPolyLine( sal_uInt32 nPoints, const SalPoint *pPtAry, bool bClose ) +{ + if( mnPenColor != SALCOLOR_NONE ) + { + SalPolyLine Points( nPoints, pPtAry ); + + DrawLines( nPoints, Points, SelectPen(), bClose ); + } +} + +void X11SalGraphicsImpl::drawPolygon( sal_uInt32 nPoints, const SalPoint* pPtAry ) +{ + if( nPoints == 0 ) + return; + + if( nPoints < 3 ) + { + if( !mbXORMode ) + { + 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( mnBrushColor != SALCOLOR_NONE ) + XFillPolygon( mrParent.GetXDisplay(), + mrParent.GetDrawable(), + SelectBrush(), + &Points[0], nPoints, + Complex, CoordModeOrigin ); + + if( mnPenColor != SALCOLOR_NONE ) + DrawLines( nPoints, Points, SelectPen(), true ); +} + +void X11SalGraphicsImpl::drawPolyPolygon( sal_uInt32 nPoly, + const sal_uInt32 *pPoints, + PCONSTSALPOINT *pPtAry ) +{ + if( mnBrushColor != SALCOLOR_NONE ) + { + sal_uInt32 i, n; + Region pXRegA = nullptr; + + for( i = 0; i < nPoly; i++ ) { + n = pPoints[i]; + SalPolyLine Points( n, pPtAry[i] ); + if( n > 2 ) + { + 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(); + mrParent.SetClipRegion( pGC, pXRegA ); // ??? twice + XDestroyRegion( pXRegA ); + mbBrushGC = false; + + XFillRectangle( mrParent.GetXDisplay(), + mrParent.GetDrawable(), + pGC, + aXRect.x, aXRect.y, aXRect.width, aXRect.height ); + } + } + + if( mnPenColor != SALCOLOR_NONE ) + for( sal_uInt32 i = 0; i < nPoly; i++ ) + drawPolyLine( pPoints[i], pPtAry[i], true ); +} + +bool X11SalGraphicsImpl::drawPolyLineBezier( sal_uInt32, const SalPoint*, const PolyFlags* ) +{ + return false; +} + +bool X11SalGraphicsImpl::drawPolygonBezier( sal_uInt32, const SalPoint*, const PolyFlags* ) +{ + return false; +} + +bool X11SalGraphicsImpl::drawPolyPolygonBezier( sal_uInt32, const sal_uInt32*, + const SalPoint* const*, const PolyFlags* const* ) +{ + return false; +} + +void X11SalGraphicsImpl::invert( long nX, + long nY, + long nDX, + long nDY, + SalInvert nFlags ) +{ + GC pGC; + if( SalInvert::N50 & nFlags ) + { + pGC = GetInvert50GC(); + XFillRectangle( mrParent.GetXDisplay(), mrParent.GetDrawable(), pGC, nX, nY, nDX, nDY ); + } + else + { + if ( SalInvert::TrackFrame & nFlags ) + { + pGC = GetTrackingGC(); + XDrawRectangle( mrParent.GetXDisplay(), mrParent.GetDrawable(), pGC, nX, nY, nDX, nDY ); + } + else + { + pGC = GetInvertGC(); + XFillRectangle( mrParent.GetXDisplay(), mrParent.GetDrawable(), pGC, nX, nY, nDX, nDY ); + } + } +} + +void X11SalGraphicsImpl::invert( sal_uInt32 nPoints, + const SalPoint* pPtAry, + SalInvert nFlags ) +{ + SalPolyLine Points ( nPoints, pPtAry ); + + GC pGC; + if( SalInvert::N50 & nFlags ) + pGC = GetInvert50GC(); + else + if ( SalInvert::TrackFrame & nFlags ) + pGC = GetTrackingGC(); + else + pGC = GetInvertGC(); + + if( SalInvert::TrackFrame & nFlags ) + DrawLines ( nPoints, Points, pGC, true ); + else + XFillPolygon( mrParent.GetXDisplay(), + mrParent.GetDrawable(), + pGC, + &Points[0], nPoints, + Complex, CoordModeOrigin ); +} + +bool X11SalGraphicsImpl::drawEPS( long,long,long,long,void*,sal_uInt32 ) +{ + return false; +} + +// draw a poly-polygon +bool X11SalGraphicsImpl::drawPolyPolygon( + const basegfx::B2DHomMatrix& rObjectToDevice, + const basegfx::B2DPolyPolygon& rPolyPolygon, + double fTransparency) +{ + // nothing to do for empty polypolygons + const int nOrigPolyCount = rPolyPolygon.count(); + if( nOrigPolyCount <= 0 ) + return true; + + // nothing to do if everything is transparent + if( (mnBrushColor == SALCOLOR_NONE) + && (mnPenColor == SALCOLOR_NONE) ) + return true; + + // cannot handle pencolor!=brushcolor yet + if( (mnPenColor != SALCOLOR_NONE) + && (mnPenColor != mnBrushColor) ) + return false; + + // TODO: remove the env-variable when no longer needed + static const char* pRenderEnv = getenv( "SAL_DISABLE_RENDER_POLY" ); + if( pRenderEnv ) + return false; + + // Fallback: Transform to DeviceCoordinates + basegfx::B2DPolyPolygon aPolyPolygon(rPolyPolygon); + aPolyPolygon.transform(rObjectToDevice); + + // snap to raster if requested + const bool bSnapToRaster = !mrParent.getAntiAliasB2DDraw(); + if( bSnapToRaster ) + aPolyPolygon = basegfx::utils::snapPointsOfHorizontalOrVerticalEdges( aPolyPolygon ); + + // don't bother with polygons outside of visible area + const basegfx::B2DRange aViewRange( 0, 0, GetGraphicsWidth(), GetGraphicsHeight() ); + aPolyPolygon = basegfx::utils::clipPolyPolygonOnRange( aPolyPolygon, aViewRange, true, false ); + if( !aPolyPolygon.count() ) + return true; + + // tessellate the polypolygon into trapezoids + basegfx::B2DTrapezoidVector aB2DTrapVector; + basegfx::utils::trapezoidSubdivide( aB2DTrapVector, aPolyPolygon ); + const int nTrapCount = aB2DTrapVector.size(); + if( !nTrapCount ) + return true; + const bool bDrawn = drawFilledTrapezoids( aB2DTrapVector.data(), nTrapCount, fTransparency ); + return bDrawn; +} + +long X11SalGraphicsImpl::GetGraphicsHeight() const +{ + if( mrParent.m_pFrame ) + return mrParent.m_pFrame->maGeometry.nHeight; + else if( mrParent.m_pVDev ) + return static_cast< X11SalVirtualDevice* >(mrParent.m_pVDev)->GetHeight(); + else + return 0; +} + +bool X11SalGraphicsImpl::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 + std::vector<XTrapezoid> 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 = mrParent.GetDisplay()->GetRenderEntries( mrParent.m_nXScreen )[ 32 ]; + if( !rEntry.m_aPicture ) + { + Display* pXDisplay = mrParent.GetXDisplay(); + + rEntry.m_aPixmap = limitXCreatePixmap( pXDisplay, mrParent.hDrawable_, 1, 1, 32 ); + XRenderPictureAttributes aAttr; + aAttr.repeat = int(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( mnBrushColor , fTransparency ); + rRenderPeer.FillRectangle( PictOpSrc, rEntry.m_aPicture, &aRenderColor, 0, 0, 1, 1 ); + + // set clipping + // TODO: move into GetXRenderPicture? + if( mrParent.mpClipRegion && !XEmptyRegion( mrParent.mpClipRegion ) ) + rRenderPeer.SetPictureClipRegion( aDstPic, mrParent.mpClipRegion ); + + // render the trapezoids + const XRenderPictFormat* pMaskFormat = rRenderPeer.GetStandardFormatA8(); + rRenderPeer.CompositeTrapezoids( PictOpOver, + rEntry.m_aPicture, aDstPic, pMaskFormat, 0, 0, aTrapVector.data(), aTrapVector.size() ); + + return true; +} + +bool X11SalGraphicsImpl::drawFilledTriangles( + const basegfx::B2DHomMatrix& rObjectToDevice, + const basegfx::triangulator::B2DTriangleVector& rTriangles, + double fTransparency) +{ + if(rTriangles.empty()) + return true; + + Picture aDstPic = GetXRenderPicture(); + // check xrender support for this drawable + if( !aDstPic ) + { + return false; + } + + // prepare transformation for ObjectToDevice coordinate system + basegfx::B2DHomMatrix aObjectToDevice = basegfx::utils::createTranslateB2DHomMatrix(0.5, 0.5) * rObjectToDevice; + + // convert the Triangles into XRender-Triangles + std::vector<XTriangle> aTriVector(rTriangles.size()); + sal_uInt32 nIndex(0); + + for(const auto& rCandidate : rTriangles) + { + const basegfx::B2DPoint aP1(aObjectToDevice * rCandidate.getA()); + const basegfx::B2DPoint aP2(aObjectToDevice * rCandidate.getB()); + const basegfx::B2DPoint aP3(aObjectToDevice * rCandidate.getC()); + XTriangle& rTri(aTriVector[nIndex++]); + + rTri.p1.x = XDoubleToFixed(aP1.getX()); + rTri.p1.y = XDoubleToFixed(aP1.getY()); + + rTri.p2.x = XDoubleToFixed(aP2.getX()); + rTri.p2.y = XDoubleToFixed(aP2.getY()); + + rTri.p3.x = XDoubleToFixed(aP3.getX()); + rTri.p3.y = XDoubleToFixed(aP3.getY()); + } + + // get xrender Picture for polygon foreground + // TODO: cache it like the target picture which uses GetXRenderPicture() + XRenderPeer& rRenderPeer = XRenderPeer::GetInstance(); + SalDisplay::RenderEntry& rEntry = mrParent.GetDisplay()->GetRenderEntries( mrParent.m_nXScreen )[ 32 ]; + if( !rEntry.m_aPicture ) + { + Display* pXDisplay = mrParent.GetXDisplay(); + + rEntry.m_aPixmap = limitXCreatePixmap( pXDisplay, mrParent.hDrawable_, 1, 1, 32 ); + XRenderPictureAttributes aAttr; + aAttr.repeat = int(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( mnBrushColor , fTransparency ); + rRenderPeer.FillRectangle( PictOpSrc, rEntry.m_aPicture, &aRenderColor, 0, 0, 1, 1 ); + + // set clipping + // TODO: move into GetXRenderPicture? + if( mrParent.mpClipRegion && !XEmptyRegion( mrParent.mpClipRegion ) ) + rRenderPeer.SetPictureClipRegion( aDstPic, mrParent.mpClipRegion ); + + // render the trapezoids + const XRenderPictFormat* pMaskFormat = rRenderPeer.GetStandardFormatA8(); + rRenderPeer.CompositeTriangles( PictOpOver, + rEntry.m_aPicture, aDstPic, pMaskFormat, 0, 0, aTriVector.data(), aTriVector.size() ); + + return true; +} + +namespace { + +class SystemDependentData_Triangulation : public basegfx::SystemDependentData +{ +private: + // the triangulation itself + basegfx::triangulator::B2DTriangleVector maTriangles; + + // all other values the triangulation is based on and + // need to be compared with to check for data validity + double mfLineWidth; + basegfx::B2DLineJoin meJoin; + css::drawing::LineCap meCap; + double mfMiterMinimumAngle; + std::vector< double > maStroke; + +public: + SystemDependentData_Triangulation( + basegfx::SystemDependentDataManager& rSystemDependentDataManager, + const basegfx::triangulator::B2DTriangleVector& rTriangles, + double fLineWidth, + basegfx::B2DLineJoin eJoin, + css::drawing::LineCap eCap, + double fMiterMinimumAngle, + const std::vector< double >* pStroke); // MM01 + + // read access + const basegfx::triangulator::B2DTriangleVector& getTriangles() const { return maTriangles; } + double getLineWidth() const { return mfLineWidth; } + const basegfx::B2DLineJoin& getJoin() const { return meJoin; } + const css::drawing::LineCap& getCap() const { return meCap; } + double getMiterMinimumAngle() const { return mfMiterMinimumAngle; } + const std::vector< double >& getStroke() const { return maStroke; } + + virtual sal_Int64 estimateUsageInBytes() const override; +}; + +} + +SystemDependentData_Triangulation::SystemDependentData_Triangulation( + basegfx::SystemDependentDataManager& rSystemDependentDataManager, + const basegfx::triangulator::B2DTriangleVector& rTriangles, + double fLineWidth, + basegfx::B2DLineJoin eJoin, + css::drawing::LineCap eCap, + double fMiterMinimumAngle, + const std::vector< double >* pStroke) +: basegfx::SystemDependentData(rSystemDependentDataManager), + maTriangles(rTriangles), + mfLineWidth(fLineWidth), + meJoin(eJoin), + meCap(eCap), + mfMiterMinimumAngle(fMiterMinimumAngle), + maStroke() +{ + if(nullptr != pStroke) + { + maStroke = *pStroke; + } +} + +sal_Int64 SystemDependentData_Triangulation::estimateUsageInBytes() const +{ + sal_Int64 nRetval(0); + + if(!maTriangles.empty()) + { + nRetval = maTriangles.size() * sizeof(basegfx::triangulator::B2DTriangle); + } + + return nRetval; +} + +bool X11SalGraphicsImpl::drawPolyLine( + const basegfx::B2DHomMatrix& rObjectToDevice, + const basegfx::B2DPolygon& rPolygon, + double fTransparency, + double fLineWidth, + const std::vector< double >* pStroke, // MM01 + basegfx::B2DLineJoin eLineJoin, + css::drawing::LineCap eLineCap, + double fMiterMinimumAngle, + bool bPixelSnapHairline) +{ + // short circuit if there is nothing to do + if(0 == rPolygon.count() || fTransparency < 0.0 || fTransparency >= 1.0) + { + return true; + } + + // need to check/handle LineWidth when ObjectToDevice transformation is used + const bool bObjectToDeviceIsIdentity(rObjectToDevice.isIdentity()); + basegfx::B2DHomMatrix aObjectToDeviceInv; + + // tdf#124848 calculate-back logical LineWidth for a hairline. + // This implementation does not hand over the transformation to + // the graphic sub-system, but the triangulation data is prepared + // view-independent based on the logic LineWidth, so we need to + // know it + if(fLineWidth == 0) + { + fLineWidth = 1.0; + + if(!bObjectToDeviceIsIdentity) + { + if(aObjectToDeviceInv.isIdentity()) + { + aObjectToDeviceInv = rObjectToDevice; + aObjectToDeviceInv.invert(); + } + + fLineWidth = (aObjectToDeviceInv * basegfx::B2DVector(fLineWidth, 0)).getLength(); + } + } + + // try to access buffered data + std::shared_ptr<SystemDependentData_Triangulation> pSystemDependentData_Triangulation( + rPolygon.getSystemDependentData<SystemDependentData_Triangulation>()); + + // MM01 need to do line dashing as fallback stuff here now + const double fDotDashLength(nullptr != pStroke ? std::accumulate(pStroke->begin(), pStroke->end(), 0.0) : 0.0); + const bool bStrokeUsed(0.0 != fDotDashLength); + assert(!bStrokeUsed || (bStrokeUsed && pStroke)); + + if(pSystemDependentData_Triangulation) + { + // MM01 - check on stroke change. Used against not used, or if oth used, + // equal or different? Triangulation geometry creation depends heavily + // on stroke, independent of being transformation independent + const bool bStrokeWasUsed(!pSystemDependentData_Triangulation->getStroke().empty()); + + if(bStrokeWasUsed != bStrokeUsed + || (bStrokeUsed && *pStroke != pSystemDependentData_Triangulation->getStroke())) + { + // data invalid, forget + pSystemDependentData_Triangulation.reset(); + } + } + + if(pSystemDependentData_Triangulation) + { + // check data validity (I) + if(pSystemDependentData_Triangulation->getJoin() != eLineJoin + || pSystemDependentData_Triangulation->getCap() != eLineCap + || pSystemDependentData_Triangulation->getMiterMinimumAngle() != fMiterMinimumAngle) + { + // data invalid, forget + pSystemDependentData_Triangulation.reset(); + } + } + + if(pSystemDependentData_Triangulation) + { + // check data validity (II) + if(pSystemDependentData_Triangulation->getLineWidth() != fLineWidth) + { + // sometimes small inconsistencies, use a percentage tolerance + const double fFactor(basegfx::fTools::equalZero(fLineWidth) + ? 0.0 + : fabs(1.0 - (pSystemDependentData_Triangulation->getLineWidth() / fLineWidth))); + // compare with 5.0% tolerance + if(basegfx::fTools::more(fFactor, 0.05)) + { + // data invalid, forget + pSystemDependentData_Triangulation.reset(); + } + } + } + + if(!pSystemDependentData_Triangulation) + { + // MM01 need to do line dashing as fallback stuff here now + basegfx::B2DPolyPolygon aPolyPolygonLine; + + if(bStrokeUsed) + { + // apply LineStyle + basegfx::utils::applyLineDashing( + rPolygon, // source + *pStroke, // pattern + &aPolyPolygonLine, // target for lines + nullptr, // target for gaps + fDotDashLength); // full length if available + } + else + { + // no line dashing, just copy + aPolyPolygonLine.append(rPolygon); + } + + // try to create data + if(bPixelSnapHairline) + { + // Do NOT transform, but keep device-independent. To + // do so, transform to device for snap, but back again after + if(!bObjectToDeviceIsIdentity) + { + aPolyPolygonLine.transform(rObjectToDevice); + } + + aPolyPolygonLine = basegfx::utils::snapPointsOfHorizontalOrVerticalEdges(aPolyPolygonLine); + + if(!bObjectToDeviceIsIdentity) + { + if(aObjectToDeviceInv.isIdentity()) + { + aObjectToDeviceInv = rObjectToDevice; + aObjectToDeviceInv.invert(); + } + + aPolyPolygonLine.transform(aObjectToDeviceInv); + } + } + + basegfx::triangulator::B2DTriangleVector aTriangles; + + // MM01 checked/verified for X11 (linux) + for(sal_uInt32 a(0); a < aPolyPolygonLine.count(); a++) + { + const basegfx::B2DPolygon aPolyLine(aPolyPolygonLine.getB2DPolygon(a)); + // MM01 upps - commit 51b5b93092d6231615de470c62494c24e54828a1 removed + // this *central* geometry-creating lines (!) probably due to aAreaPolyPoly + // *not* being used - that's true, but the work is inside of filling + // aTriangles data (!) + basegfx::utils::createAreaGeometry( + aPolyLine, + 0.5 * fLineWidth, + eLineJoin, + eLineCap, + basegfx::deg2rad(12.5), + 0.4, + fMiterMinimumAngle, + &aTriangles); // CAUTION! This is *needed* since it creates the data! + } + + if(!aTriangles.empty()) + { + // Add to buffering mechanism + // Add all values the triangulation is based off, too, to check for + // validity (see above) + pSystemDependentData_Triangulation = rPolygon.addOrReplaceSystemDependentData<SystemDependentData_Triangulation>( + ImplGetSystemDependentDataManager(), + aTriangles, + fLineWidth, + eLineJoin, + eLineCap, + fMiterMinimumAngle, + pStroke); + } + } + + if(!pSystemDependentData_Triangulation) + { + return false; + } + + // temporarily adjust brush color to pen color + // since the line is drawn as an area-polygon + const Color aKeepBrushColor = mnBrushColor; + mnBrushColor = mnPenColor; + + // create the area-polygon for the line + const bool bDrawnOk( + drawFilledTriangles( + rObjectToDevice, + pSystemDependentData_Triangulation->getTriangles(), + fTransparency)); + + // restore the original brush GC + mnBrushColor = aKeepBrushColor; + return bDrawnOk; +} + +Color X11SalGraphicsImpl::getPixel( long nX, long nY ) +{ + if( mrParent.bWindow_ && !mrParent.bVirDev_ ) + { + XWindowAttributes aAttrib; + + XGetWindowAttributes( mrParent.GetXDisplay(), mrParent.GetDrawable(), &aAttrib ); + if( aAttrib.map_state != IsViewable ) + { + SAL_WARN( "vcl", "X11SalGraphics::GetPixel drawable not viewable" ); + return 0; + } + } + + XImage *pXImage = XGetImage( mrParent.GetXDisplay(), + mrParent.GetDrawable(), + nX, nY, + 1, 1, + AllPlanes, + ZPixmap ); + if( !pXImage ) + { + SAL_WARN( "vcl", "X11SalGraphics::GetPixel !XGetImage()" ); + return 0; + } + + XColor aXColor; + + aXColor.pixel = XGetPixel( pXImage, 0, 0 ); + XDestroyImage( pXImage ); + + return mrParent.GetColormap().GetColor( aXColor.pixel ); +} + +std::shared_ptr<SalBitmap> X11SalGraphicsImpl::getBitmap( long nX, long nY, long nDX, long nDY ) +{ + bool bFakeWindowBG = false; + + // normalize + if( nDX < 0 ) + { + nX += nDX; + nDX = -nDX; + } + if ( nDY < 0 ) + { + nY += nDY; + nDY = -nDY; + } + + if( mrParent.bWindow_ && !mrParent.bVirDev_ ) + { + XWindowAttributes aAttrib; + + XGetWindowAttributes( mrParent.GetXDisplay(), mrParent.GetDrawable(), &aAttrib ); + if( aAttrib.map_state != IsViewable ) + bFakeWindowBG = true; + else + { + long nOrgDX = nDX, nOrgDY = nDY; + + // clip to window size + if ( nX < 0 ) + { + nDX += nX; + nX = 0; + } + if ( nY < 0 ) + { + nDY += nY; + nY = 0; + } + if( nX + nDX > aAttrib.width ) + nDX = aAttrib.width - nX; + if( nY + nDY > aAttrib.height ) + nDY = aAttrib.height - nY; + + // inside ? + if( nDX <= 0 || nDY <= 0 ) + { + bFakeWindowBG = true; + nDX = nOrgDX; + nDY = nOrgDY; + } + } + } + + std::shared_ptr<X11SalBitmap> pSalBitmap = std::make_shared<X11SalBitmap>(); + sal_uInt16 nBitCount = GetBitCount(); + + if( &mrParent.GetDisplay()->GetColormap( mrParent.m_nXScreen ) != &mrParent.GetColormap() ) + nBitCount = 1; + + if( ! bFakeWindowBG ) + pSalBitmap->ImplCreateFromDrawable( mrParent.GetDrawable(), mrParent.m_nXScreen, nBitCount, nX, nY, nDX, nDY ); + else + pSalBitmap->Create( Size( nDX, nDY ), (nBitCount > 8) ? 24 : nBitCount, BitmapPalette( nBitCount > 8 ? nBitCount : 0 ) ); + + return pSalBitmap; +} + +sal_uInt16 X11SalGraphicsImpl::GetBitCount() const +{ + return mrParent.GetVisual().GetDepth(); +} + +long X11SalGraphicsImpl::GetGraphicsWidth() const +{ + if( mrParent.m_pFrame ) + return mrParent.m_pFrame->maGeometry.nWidth; + else if( mrParent.m_pVDev ) + return static_cast< X11SalVirtualDevice* >(mrParent.m_pVDev)->GetWidth(); + else + return 0; +} + +bool X11SalGraphicsImpl::drawGradient(const tools::PolyPolygon& /*rPolygon*/, const Gradient& /*rGradient*/) +{ + return false; +} + +bool X11SalGraphicsImpl::supportsOperation(OutDevSupportType eType) const +{ + bool bRet = false; + switch (eType) + { + case OutDevSupportType::TransparentRect: + case OutDevSupportType::B2DDraw: + { + XRenderPeer& rPeer = XRenderPeer::GetInstance(); + const SalDisplay* pSalDisp = mrParent.GetDisplay(); + const SalVisual& rSalVis = pSalDisp->GetVisual(mrParent.GetScreenNumber()); + + Visual* pDstXVisual = rSalVis.GetVisual(); + XRenderPictFormat* pDstVisFmt = rPeer.FindVisualFormat(pDstXVisual); + if (pDstVisFmt) + bRet = true; + } + break; + default: + break; + } + return bRet; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |