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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 09:06:44 +0000
commited5640d8b587fbcfed7dd7967f3de04b37a76f26 (patch)
tree7a5f7c6c9d02226d7471cb3cc8fbbf631b415303 /vcl/win/gdi/gdiimpl.cxx
parentInitial commit. (diff)
downloadlibreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.tar.xz
libreoffice-ed5640d8b587fbcfed7dd7967f3de04b37a76f26.zip
Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vcl/win/gdi/gdiimpl.cxx')
-rw-r--r--vcl/win/gdi/gdiimpl.cxx2753
1 files changed, 2753 insertions, 0 deletions
diff --git a/vcl/win/gdi/gdiimpl.cxx b/vcl/win/gdi/gdiimpl.cxx
new file mode 100644
index 000000000..2c4187325
--- /dev/null
+++ b/vcl/win/gdi/gdiimpl.cxx
@@ -0,0 +1,2753 @@
+/* -*- 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 <sal/config.h>
+
+#include <cstdlib>
+#include <memory>
+#include <numeric>
+
+#include <svsys.h>
+
+#include "gdiimpl.hxx"
+
+#include <string.h>
+#include <rtl/strbuf.hxx>
+#include <sal/log.hxx>
+#include <tools/poly.hxx>
+#include <basegfx/polygon/b2dpolygon.hxx>
+#include <basegfx/polygon/b2dpolygontools.hxx>
+#include <basegfx/polygon/b2dpolypolygontools.hxx>
+#include <win/wincomp.hxx>
+#include <win/saldata.hxx>
+#include <win/salgdi.h>
+#include <win/salbmp.h>
+#include <win/scoped_gdi.hxx>
+#include <vcl/BitmapAccessMode.hxx>
+#include <vcl/BitmapBuffer.hxx>
+#include <vcl/BitmapPalette.hxx>
+#include <win/salframe.h>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+#include <basegfx/utils/systemdependentdata.hxx>
+
+#include <win/salids.hrc>
+#include <ControlCacheKey.hxx>
+
+#if defined _MSC_VER
+#ifndef min
+#define min(a,b) (((a) < (b)) ? (a) : (b))
+#endif
+#ifndef max
+#define max(a,b) (((a) > (b)) ? (a) : (b))
+#endif
+#endif
+
+#include <prewin.h>
+
+#include <gdiplus.h>
+#include <gdiplusenums.h>
+#include <gdipluscolor.h>
+
+#include <postwin.h>
+
+#define SAL_POLYPOLYCOUNT_STACKBUF 8
+#define SAL_POLYPOLYPOINTS_STACKBUF 64
+
+#define SAL_POLY_STACKBUF 32
+
+namespace {
+
+// #100127# Fill point and flag memory from array of points which
+// might also contain bezier control points for the PolyDraw() GDI method
+// Make sure pWinPointAry and pWinFlagAry are big enough
+void ImplPreparePolyDraw( bool bCloseFigures,
+ sal_uLong nPoly,
+ const sal_uInt32* pPoints,
+ const Point* const* pPtAry,
+ const PolyFlags* const* pFlgAry,
+ POINT* pWinPointAry,
+ BYTE* pWinFlagAry )
+{
+ sal_uLong nCurrPoly;
+ for( nCurrPoly=0; nCurrPoly<nPoly; ++nCurrPoly )
+ {
+ const Point* pCurrPoint = *pPtAry++;
+ const PolyFlags* pCurrFlag = *pFlgAry++;
+ const sal_uInt32 nCurrPoints = *pPoints++;
+ const bool bHaveFlagArray( pCurrFlag );
+ sal_uLong nCurrPoint;
+
+ if( nCurrPoints )
+ {
+ // start figure
+ *pWinPointAry++ = POINT { static_cast<LONG>(pCurrPoint->getX()), static_cast<LONG>(pCurrPoint->getY()) };
+ pCurrPoint++;
+ *pWinFlagAry++ = PT_MOVETO;
+ ++pCurrFlag;
+
+ for( nCurrPoint=1; nCurrPoint<nCurrPoints; )
+ {
+ // #102067# Check existence of flag array
+ if( bHaveFlagArray &&
+ ( nCurrPoint + 2 ) < nCurrPoints )
+ {
+ PolyFlags P4( pCurrFlag[ 2 ] );
+
+ if( ( PolyFlags::Control == pCurrFlag[ 0 ] ) &&
+ ( PolyFlags::Control == pCurrFlag[ 1 ] ) &&
+ ( PolyFlags::Normal == P4 || PolyFlags::Smooth == P4 || PolyFlags::Symmetric == P4 ) )
+ {
+ // control point one
+ *pWinPointAry++ = POINT { static_cast<LONG>(pCurrPoint->getX()), static_cast<LONG>(pCurrPoint->getY()) };
+ pCurrPoint++;
+ *pWinFlagAry++ = PT_BEZIERTO;
+
+ // control point two
+ *pWinPointAry++ = POINT { static_cast<LONG>(pCurrPoint->getX()), static_cast<LONG>(pCurrPoint->getY()) };
+ pCurrPoint++;
+ *pWinFlagAry++ = PT_BEZIERTO;
+
+ // end point
+ *pWinPointAry++ = POINT { static_cast<LONG>(pCurrPoint->getX()), static_cast<LONG>(pCurrPoint->getY()) };
+ pCurrPoint++;
+ *pWinFlagAry++ = PT_BEZIERTO;
+
+ nCurrPoint += 3;
+ pCurrFlag += 3;
+ continue;
+ }
+ }
+
+ // regular line point
+ *pWinPointAry++ = POINT { static_cast<LONG>(pCurrPoint->getX()), static_cast<LONG>(pCurrPoint->getY()) };
+ pCurrPoint++;
+ *pWinFlagAry++ = PT_LINETO;
+ ++pCurrFlag;
+ ++nCurrPoint;
+ }
+
+ // end figure?
+ if( bCloseFigures )
+ pWinFlagAry[-1] |= PT_CLOSEFIGURE;
+ }
+ }
+}
+
+Color ImplGetROPColor( SalROPColor nROPColor )
+{
+ Color nColor;
+ if ( nROPColor == SalROPColor::N0 )
+ nColor = Color( 0, 0, 0 );
+ else
+ nColor = Color( 255, 255, 255 );
+ return nColor;
+}
+
+bool IsDitherColor(BYTE nRed, BYTE nGreen, BYTE nBlue)
+{
+ constexpr sal_uInt8 DITHER_PAL_DELTA = 51;
+
+ return !(nRed % DITHER_PAL_DELTA) &&
+ !(nGreen % DITHER_PAL_DELTA) &&
+ !(nBlue % DITHER_PAL_DELTA);
+}
+
+bool IsPaletteColor(BYTE nRed, BYTE nGreen, BYTE nBlue)
+{
+ static const PALETTEENTRY aImplSalSysPalEntryAry[] =
+ {
+ { 0, 0, 0, 0 },
+ { 0, 0, 0x80, 0 },
+ { 0, 0x80, 0, 0 },
+ { 0, 0x80, 0x80, 0 },
+ { 0x80, 0, 0, 0 },
+ { 0x80, 0, 0x80, 0 },
+ { 0x80, 0x80, 0, 0 },
+ { 0x80, 0x80, 0x80, 0 },
+ { 0xC0, 0xC0, 0xC0, 0 },
+ { 0, 0, 0xFF, 0 },
+ { 0, 0xFF, 0, 0 },
+ { 0, 0xFF, 0xFF, 0 },
+ { 0xFF, 0, 0, 0 },
+ { 0xFF, 0, 0xFF, 0 },
+ { 0xFF, 0xFF, 0, 0 },
+ { 0xFF, 0xFF, 0xFF, 0 }
+ };
+
+ for (const auto& rPalEntry : aImplSalSysPalEntryAry)
+ {
+ if(rPalEntry.peRed == nRed &&
+ rPalEntry.peGreen == nGreen &&
+ rPalEntry.peBlue == nBlue)
+ {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+bool IsExtraColor(BYTE nRed, BYTE nGreen, BYTE nBlue)
+{
+ return (nRed == 0) && (nGreen == 184) && (nBlue == 255);
+}
+
+bool ImplIsPaletteEntry(BYTE nRed, BYTE nGreen, BYTE nBlue)
+{
+ return IsDitherColor(nRed, nGreen, nBlue) ||
+ IsPaletteColor(nRed, nGreen, nBlue) ||
+ IsExtraColor(nRed, nGreen, nBlue);
+}
+
+} // namespace
+
+WinSalGraphicsImpl::WinSalGraphicsImpl(WinSalGraphics& rParent):
+ mrParent(rParent),
+ mbXORMode(false),
+ mbPen(false),
+ mhPen(nullptr),
+ mbStockPen(false),
+ mbBrush(false),
+ mbStockBrush(false),
+ mhBrush(nullptr)
+{
+}
+
+WinSalGraphicsImpl::~WinSalGraphicsImpl()
+{
+ if ( mhPen )
+ {
+ if ( !mbStockPen )
+ DeletePen( mhPen );
+ }
+
+ if ( mhBrush )
+ {
+ if ( !mbStockBrush )
+ DeleteBrush( mhBrush );
+ }
+}
+
+void WinSalGraphicsImpl::Init()
+{
+}
+
+void WinSalGraphicsImpl::freeResources()
+{
+}
+
+bool WinSalGraphicsImpl::drawEPS(tools::Long, tools::Long, tools::Long, tools::Long, void*, sal_uInt32)
+{
+ return false;
+}
+
+void WinSalGraphicsImpl::copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics )
+{
+ HDC hSrcDC;
+ DWORD nRop;
+
+ if ( pSrcGraphics )
+ hSrcDC = static_cast<WinSalGraphics*>(pSrcGraphics)->getHDC();
+ else
+ hSrcDC = mrParent.getHDC();
+
+ if ( mbXORMode )
+ nRop = SRCINVERT;
+ else
+ nRop = SRCCOPY;
+
+ if ( (rPosAry.mnSrcWidth == rPosAry.mnDestWidth) &&
+ (rPosAry.mnSrcHeight == rPosAry.mnDestHeight) )
+ {
+ BitBlt( mrParent.getHDC(),
+ static_cast<int>(rPosAry.mnDestX), static_cast<int>(rPosAry.mnDestY),
+ static_cast<int>(rPosAry.mnDestWidth), static_cast<int>(rPosAry.mnDestHeight),
+ hSrcDC,
+ static_cast<int>(rPosAry.mnSrcX), static_cast<int>(rPosAry.mnSrcY),
+ nRop );
+ }
+ else
+ {
+ int nOldStretchMode = SetStretchBltMode( mrParent.getHDC(), STRETCH_DELETESCANS );
+ StretchBlt( mrParent.getHDC(),
+ static_cast<int>(rPosAry.mnDestX), static_cast<int>(rPosAry.mnDestY),
+ static_cast<int>(rPosAry.mnDestWidth), static_cast<int>(rPosAry.mnDestHeight),
+ hSrcDC,
+ static_cast<int>(rPosAry.mnSrcX), static_cast<int>(rPosAry.mnSrcY),
+ static_cast<int>(rPosAry.mnSrcWidth), static_cast<int>(rPosAry.mnSrcHeight),
+ nRop );
+ SetStretchBltMode( mrParent.getHDC(), nOldStretchMode );
+ }
+}
+
+namespace
+{
+
+void MakeInvisibleArea(const RECT& rSrcRect,
+ int nLeft, int nTop, int nRight, int nBottom,
+ HRGN& rhInvalidateRgn)
+{
+ if (!rhInvalidateRgn)
+ {
+ rhInvalidateRgn = CreateRectRgnIndirect(&rSrcRect);
+ }
+
+ ScopedHRGN hTempRgn(CreateRectRgn(nLeft, nTop, nRight, nBottom));
+ CombineRgn(rhInvalidateRgn, rhInvalidateRgn, hTempRgn.get(), RGN_DIFF);
+}
+
+void ImplCalcOutSideRgn( const RECT& rSrcRect,
+ int nLeft, int nTop, int nRight, int nBottom,
+ HRGN& rhInvalidateRgn )
+{
+ // calculate area outside the visible region
+ if (rSrcRect.left < nLeft)
+ {
+ MakeInvisibleArea(rSrcRect, -31999, 0, nLeft, 31999, rhInvalidateRgn);
+ }
+ if (rSrcRect.top < nTop)
+ {
+ MakeInvisibleArea(rSrcRect, 0, -31999, 31999, nTop, rhInvalidateRgn);
+ }
+ if (rSrcRect.right > nRight)
+ {
+ MakeInvisibleArea(rSrcRect, nRight, 0, 31999, 31999, rhInvalidateRgn);
+ }
+ if (rSrcRect.bottom > nBottom)
+ {
+ MakeInvisibleArea(rSrcRect, 0, nBottom, 31999, 31999, rhInvalidateRgn);
+ }
+}
+
+} // namespace
+
+void WinSalGraphicsImpl::copyArea( tools::Long nDestX, tools::Long nDestY,
+ tools::Long nSrcX, tools::Long nSrcY,
+ tools::Long nSrcWidth, tools::Long nSrcHeight,
+ bool bWindowInvalidate )
+{
+ bool bRestoreClipRgn = false;
+ HRGN hOldClipRgn = nullptr;
+ int nOldClipRgnType = ERROR;
+ HRGN hInvalidateRgn = nullptr;
+
+ // do we have to invalidate also the overlapping regions?
+ if ( bWindowInvalidate && mrParent.isWindow() )
+ {
+ // compute and invalidate those parts that were either off-screen or covered by other windows
+ // while performing the above BitBlt
+ // those regions then have to be invalidated as they contain useless/wrong data
+ RECT aSrcRect;
+ RECT aClipRect;
+ RECT aTempRect;
+ RECT aTempRect2;
+ HRGN hTempRgn;
+ HWND hWnd;
+
+ // restrict srcRect to this window (calc intersection)
+ aSrcRect.left = static_cast<int>(nSrcX);
+ aSrcRect.top = static_cast<int>(nSrcY);
+ aSrcRect.right = aSrcRect.left+static_cast<int>(nSrcWidth);
+ aSrcRect.bottom = aSrcRect.top+static_cast<int>(nSrcHeight);
+ GetClientRect( mrParent.gethWnd(), &aClipRect );
+ if ( IntersectRect( &aSrcRect, &aSrcRect, &aClipRect ) )
+ {
+ // transform srcRect to screen coordinates
+ POINT aPt;
+ aPt.x = 0;
+ aPt.y = 0;
+ ClientToScreen( mrParent.gethWnd(), &aPt );
+ aSrcRect.left += aPt.x;
+ aSrcRect.top += aPt.y;
+ aSrcRect.right += aPt.x;
+ aSrcRect.bottom += aPt.y;
+ hInvalidateRgn = nullptr;
+
+ // compute the parts that are off screen (ie invisible)
+ RECT theScreen;
+ ImplSalGetWorkArea( nullptr, &theScreen, nullptr ); // find the screen area taking multiple monitors into account
+ ImplCalcOutSideRgn( aSrcRect, theScreen.left, theScreen.top, theScreen.right, theScreen.bottom, hInvalidateRgn );
+
+ // calculate regions that are covered by other windows
+ HRGN hTempRgn2 = nullptr;
+ HWND hWndTopWindow = mrParent.gethWnd();
+ // Find the TopLevel Window, because only Windows which are in
+ // in the foreground of our TopLevel window must be considered
+ if ( GetWindowStyle( hWndTopWindow ) & WS_CHILD )
+ {
+ RECT aTempRect3 = aSrcRect;
+ do
+ {
+ hWndTopWindow = ::GetParent( hWndTopWindow );
+
+ // Test if the Parent clips our window
+ GetClientRect( hWndTopWindow, &aTempRect );
+ POINT aPt2;
+ aPt2.x = 0;
+ aPt2.y = 0;
+ ClientToScreen( hWndTopWindow, &aPt2 );
+ aTempRect.left += aPt2.x;
+ aTempRect.top += aPt2.y;
+ aTempRect.right += aPt2.x;
+ aTempRect.bottom += aPt2.y;
+ IntersectRect( &aTempRect3, &aTempRect3, &aTempRect );
+ }
+ while ( GetWindowStyle( hWndTopWindow ) & WS_CHILD );
+
+ // If one or more Parents clip our window, then we must
+ // calculate the outside area
+ if ( !EqualRect( &aSrcRect, &aTempRect3 ) )
+ {
+ ImplCalcOutSideRgn( aSrcRect,
+ aTempRect3.left, aTempRect3.top,
+ aTempRect3.right, aTempRect3.bottom,
+ hInvalidateRgn );
+ }
+ }
+ // retrieve the top-most (z-order) child window
+ hWnd = GetWindow( GetDesktopWindow(), GW_CHILD );
+ while ( hWnd )
+ {
+ if ( hWnd == hWndTopWindow )
+ break;
+ if ( IsWindowVisible( hWnd ) && !IsIconic( hWnd ) )
+ {
+ GetWindowRect( hWnd, &aTempRect );
+ if ( IntersectRect( &aTempRect2, &aSrcRect, &aTempRect ) )
+ {
+ // hWnd covers part or all of aSrcRect
+ if ( !hInvalidateRgn )
+ hInvalidateRgn = CreateRectRgnIndirect( &aSrcRect );
+
+ // get full bounding box of hWnd
+ hTempRgn = CreateRectRgnIndirect( &aTempRect );
+
+ // get region of hWnd (the window may be shaped)
+ if ( !hTempRgn2 )
+ hTempRgn2 = CreateRectRgn( 0, 0, 0, 0 );
+ int nRgnType = GetWindowRgn( hWnd, hTempRgn2 );
+ if ( (nRgnType != ERROR) && (nRgnType != NULLREGION) )
+ {
+ // convert window region to screen coordinates
+ OffsetRgn( hTempRgn2, aTempRect.left, aTempRect.top );
+ // and intersect with the window's bounding box
+ CombineRgn( hTempRgn, hTempRgn, hTempRgn2, RGN_AND );
+ }
+ // finally compute that part of aSrcRect which is not covered by any parts of hWnd
+ CombineRgn( hInvalidateRgn, hInvalidateRgn, hTempRgn, RGN_DIFF );
+ DeleteRegion( hTempRgn );
+ }
+ }
+ // retrieve the next window in the z-order, i.e. the window below hwnd
+ hWnd = GetWindow( hWnd, GW_HWNDNEXT );
+ }
+ if ( hTempRgn2 )
+ DeleteRegion( hTempRgn2 );
+ if ( hInvalidateRgn )
+ {
+ // hInvalidateRgn contains the fully visible parts of the original srcRect
+ hTempRgn = CreateRectRgnIndirect( &aSrcRect );
+ // subtract it from the original rect to get the occluded parts
+ int nRgnType = CombineRgn( hInvalidateRgn, hTempRgn, hInvalidateRgn, RGN_DIFF );
+ DeleteRegion( hTempRgn );
+
+ if ( (nRgnType != ERROR) && (nRgnType != NULLREGION) )
+ {
+ // move the occluded parts to the destination pos
+ int nOffX = static_cast<int>(nDestX-nSrcX);
+ int nOffY = static_cast<int>(nDestY-nSrcY);
+ OffsetRgn( hInvalidateRgn, nOffX-aPt.x, nOffY-aPt.y );
+
+ // by excluding hInvalidateRgn from the system's clip region
+ // we will prevent bitblt from copying useless data
+ // especially now shadows from overlapping windows will appear (#i36344)
+ hOldClipRgn = CreateRectRgn( 0, 0, 0, 0 );
+ nOldClipRgnType = GetClipRgn( mrParent.getHDC(), hOldClipRgn );
+
+ bRestoreClipRgn = true; // indicate changed clipregion and force invalidate
+ ExtSelectClipRgn( mrParent.getHDC(), hInvalidateRgn, RGN_DIFF );
+ }
+ }
+ }
+ }
+
+ BitBlt( mrParent.getHDC(),
+ static_cast<int>(nDestX), static_cast<int>(nDestY),
+ static_cast<int>(nSrcWidth), static_cast<int>(nSrcHeight),
+ mrParent.getHDC(),
+ static_cast<int>(nSrcX), static_cast<int>(nSrcY),
+ SRCCOPY );
+
+ if( bRestoreClipRgn )
+ {
+ // restore old clip region
+ if( nOldClipRgnType != ERROR )
+ SelectClipRgn( mrParent.getHDC(), hOldClipRgn);
+ DeleteRegion( hOldClipRgn );
+
+ // invalidate regions that were not copied
+ bool bInvalidate = true;
+
+ // Combine Invalidate vcl::Region with existing ClipRegion
+ HRGN hTempRgn = CreateRectRgn( 0, 0, 0, 0 );
+ if ( GetClipRgn( mrParent.getHDC(), hTempRgn ) == 1 )
+ {
+ int nRgnType = CombineRgn( hInvalidateRgn, hTempRgn, hInvalidateRgn, RGN_AND );
+ if ( (nRgnType == ERROR) || (nRgnType == NULLREGION) )
+ bInvalidate = false;
+ }
+ DeleteRegion( hTempRgn );
+
+ if ( bInvalidate )
+ {
+ InvalidateRgn( mrParent.gethWnd(), hInvalidateRgn, TRUE );
+ // here we only initiate an update if this is the MainThread,
+ // so that there is no deadlock when handling the Paint event,
+ // as the SolarMutex is already held by this Thread
+ SalData* pSalData = GetSalData();
+ DWORD nCurThreadId = GetCurrentThreadId();
+ if ( pSalData->mnAppThreadId == nCurThreadId )
+ UpdateWindow( mrParent.gethWnd() );
+ }
+
+ DeleteRegion( hInvalidateRgn );
+ }
+
+}
+
+namespace {
+
+void ImplDrawBitmap( HDC hDC, const SalTwoRect& rPosAry, const WinSalBitmap& rSalBitmap,
+ bool bPrinter, int nDrawMode )
+{
+ if( hDC )
+ {
+ HGLOBAL hDrawDIB;
+ HBITMAP hDrawDDB = rSalBitmap.ImplGethDDB();
+ std::unique_ptr<WinSalBitmap> xTmpSalBmp;
+ bool bPrintDDB = ( bPrinter && hDrawDDB );
+
+ if( bPrintDDB )
+ {
+ xTmpSalBmp.reset(new WinSalBitmap);
+ xTmpSalBmp->Create(rSalBitmap, vcl::bitDepthToPixelFormat(rSalBitmap.GetBitCount()));
+ hDrawDIB = xTmpSalBmp->ImplGethDIB();
+ }
+ else
+ hDrawDIB = rSalBitmap.ImplGethDIB();
+
+ if( hDrawDIB )
+ {
+ PBITMAPINFO pBI = static_cast<PBITMAPINFO>(GlobalLock( hDrawDIB ));
+ PBYTE pBits = reinterpret_cast<PBYTE>(pBI) + pBI->bmiHeader.biSize +
+ WinSalBitmap::ImplGetDIBColorCount( hDrawDIB ) * sizeof( RGBQUAD );
+ const int nOldStretchMode = SetStretchBltMode( hDC, STRETCH_DELETESCANS );
+
+ StretchDIBits( hDC,
+ static_cast<int>(rPosAry.mnDestX), static_cast<int>(rPosAry.mnDestY),
+ static_cast<int>(rPosAry.mnDestWidth), static_cast<int>(rPosAry.mnDestHeight),
+ static_cast<int>(rPosAry.mnSrcX), static_cast<int>(pBI->bmiHeader.biHeight - rPosAry.mnSrcHeight - rPosAry.mnSrcY),
+ static_cast<int>(rPosAry.mnSrcWidth), static_cast<int>(rPosAry.mnSrcHeight),
+ pBits, pBI, DIB_RGB_COLORS, nDrawMode );
+
+ GlobalUnlock( hDrawDIB );
+ SetStretchBltMode( hDC, nOldStretchMode );
+ }
+ else if( hDrawDDB && !bPrintDDB )
+ {
+ ScopedCachedHDC<CACHED_HDC_DRAW> hBmpDC(hDrawDDB);
+
+ COLORREF nOldBkColor = RGB(0xFF,0xFF,0xFF);
+ COLORREF nOldTextColor = RGB(0,0,0);
+ bool bMono = ( rSalBitmap.GetBitCount() == 1 );
+
+ if( bMono )
+ {
+ COLORREF nBkColor = RGB( 0xFF, 0xFF, 0xFF );
+ COLORREF nTextColor = RGB( 0x00, 0x00, 0x00 );
+ //fdo#33455 handle 1 bit depth pngs with palette entries
+ //to set fore/back colors
+ if (BitmapBuffer* pBitmapBuffer = const_cast<WinSalBitmap&>(rSalBitmap).AcquireBuffer(BitmapAccessMode::Info))
+ {
+ const BitmapPalette& rPalette = pBitmapBuffer->maPalette;
+ if (rPalette.GetEntryCount() == 2)
+ {
+ Color nCol = rPalette[0];
+ nTextColor = RGB( nCol.GetRed(), nCol.GetGreen(), nCol.GetBlue() );
+ nCol = rPalette[1];
+ nBkColor = RGB( nCol.GetRed(), nCol.GetGreen(), nCol.GetBlue() );
+ }
+ const_cast<WinSalBitmap&>(rSalBitmap).ReleaseBuffer(pBitmapBuffer, BitmapAccessMode::Info);
+ }
+ nOldBkColor = SetBkColor( hDC, nBkColor );
+ nOldTextColor = ::SetTextColor( hDC, nTextColor );
+ }
+
+ if ( (rPosAry.mnSrcWidth == rPosAry.mnDestWidth) &&
+ (rPosAry.mnSrcHeight == rPosAry.mnDestHeight) )
+ {
+ BitBlt( hDC,
+ static_cast<int>(rPosAry.mnDestX), static_cast<int>(rPosAry.mnDestY),
+ static_cast<int>(rPosAry.mnDestWidth), static_cast<int>(rPosAry.mnDestHeight),
+ hBmpDC.get(),
+ static_cast<int>(rPosAry.mnSrcX), static_cast<int>(rPosAry.mnSrcY),
+ nDrawMode );
+ }
+ else
+ {
+ const int nOldStretchMode = SetStretchBltMode( hDC, STRETCH_DELETESCANS );
+
+ StretchBlt( hDC,
+ static_cast<int>(rPosAry.mnDestX), static_cast<int>(rPosAry.mnDestY),
+ static_cast<int>(rPosAry.mnDestWidth), static_cast<int>(rPosAry.mnDestHeight),
+ hBmpDC.get(),
+ static_cast<int>(rPosAry.mnSrcX), static_cast<int>(rPosAry.mnSrcY),
+ static_cast<int>(rPosAry.mnSrcWidth), static_cast<int>(rPosAry.mnSrcHeight),
+ nDrawMode );
+
+ SetStretchBltMode( hDC, nOldStretchMode );
+ }
+
+ if( bMono )
+ {
+ SetBkColor( hDC, nOldBkColor );
+ ::SetTextColor( hDC, nOldTextColor );
+ }
+ }
+ }
+}
+
+} // namespace
+
+void WinSalGraphicsImpl::drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap)
+{
+ bool bTryDirectPaint(!mrParent.isPrinter() && !mbXORMode);
+
+ if(bTryDirectPaint)
+ {
+ // only paint direct when no scaling and no MapMode, else the
+ // more expensive conversions may be done for short-time Bitmap/BitmapEx
+ // used for buffering only
+ if(rPosAry.mnSrcWidth == rPosAry.mnDestWidth && rPosAry.mnSrcHeight == rPosAry.mnDestHeight)
+ {
+ bTryDirectPaint = false;
+ }
+ }
+
+ // try to draw using GdiPlus directly
+ if(bTryDirectPaint && TryDrawBitmapGDIPlus(rPosAry, rSalBitmap))
+ {
+ return;
+ }
+
+ // fall back old stuff
+ assert(dynamic_cast<const WinSalBitmap*>(&rSalBitmap));
+
+ ImplDrawBitmap(mrParent.getHDC(), rPosAry, static_cast<const WinSalBitmap&>(rSalBitmap),
+ mrParent.isPrinter(),
+ mbXORMode ? SRCINVERT : SRCCOPY );
+}
+
+void WinSalGraphicsImpl::drawBitmap( const SalTwoRect& rPosAry,
+ const SalBitmap& rSSalBitmap,
+ const SalBitmap& rSTransparentBitmap )
+{
+ SAL_WARN_IF( mrParent.isPrinter(), "vcl", "No transparency print possible!" );
+ bool bTryDirectPaint(!mrParent.isPrinter() && !mbXORMode);
+
+ // try to draw using GdiPlus directly
+ if(bTryDirectPaint && drawAlphaBitmap(rPosAry, rSSalBitmap, rSTransparentBitmap))
+ {
+ return;
+ }
+
+ assert(dynamic_cast<const WinSalBitmap*>(&rSSalBitmap));
+ assert(dynamic_cast<const WinSalBitmap*>(&rSTransparentBitmap));
+
+ const WinSalBitmap& rSalBitmap = static_cast<const WinSalBitmap&>(rSSalBitmap);
+ const WinSalBitmap& rTransparentBitmap = static_cast<const WinSalBitmap&>(rSTransparentBitmap);
+
+ SalTwoRect aPosAry = rPosAry;
+ int nDstX = static_cast<int>(aPosAry.mnDestX);
+ int nDstY = static_cast<int>(aPosAry.mnDestY);
+ int nDstWidth = static_cast<int>(aPosAry.mnDestWidth);
+ int nDstHeight = static_cast<int>(aPosAry.mnDestHeight);
+ HDC hDC = mrParent.getHDC();
+
+ ScopedHBITMAP hMemBitmap;
+ ScopedHBITMAP hMaskBitmap;
+
+ if( ( nDstWidth > CACHED_HDC_DEFEXT ) || ( nDstHeight > CACHED_HDC_DEFEXT ) )
+ {
+ hMemBitmap.reset(CreateCompatibleBitmap(hDC, nDstWidth, nDstHeight));
+ hMaskBitmap.reset(CreateCompatibleBitmap(hDC, nDstWidth, nDstHeight));
+ }
+
+ ScopedCachedHDC<CACHED_HDC_1> hMemDC(hMemBitmap.get());
+ ScopedCachedHDC<CACHED_HDC_2> hMaskDC(hMaskBitmap.get());
+
+ aPosAry.mnDestX = aPosAry.mnDestY = 0;
+ BitBlt( hMemDC.get(), 0, 0, nDstWidth, nDstHeight, hDC, nDstX, nDstY, SRCCOPY );
+
+ // WIN/WNT seems to have a minor problem mapping the correct color of the
+ // mask to the palette if we draw the DIB directly ==> draw DDB
+ if( ( GetBitCount() <= 8 ) && rTransparentBitmap.ImplGethDIB() && rTransparentBitmap.GetBitCount() == 1 )
+ {
+ WinSalBitmap aTmp;
+
+ if( aTmp.Create( rTransparentBitmap, &mrParent ) )
+ ImplDrawBitmap( hMaskDC.get(), aPosAry, aTmp, false, SRCCOPY );
+ }
+ else
+ ImplDrawBitmap( hMaskDC.get(), aPosAry, rTransparentBitmap, false, SRCCOPY );
+
+ // now MemDC contains background, MaskDC the transparency mask
+
+ // #105055# Respect XOR mode
+ if( mbXORMode )
+ {
+ ImplDrawBitmap( hMaskDC.get(), aPosAry, rSalBitmap, false, SRCERASE );
+ // now MaskDC contains the bitmap area with black background
+ BitBlt( hMemDC.get(), 0, 0, nDstWidth, nDstHeight, hMaskDC.get(), 0, 0, SRCINVERT );
+ // now MemDC contains background XORed bitmap area on top
+ }
+ else
+ {
+ BitBlt( hMemDC.get(), 0, 0, nDstWidth, nDstHeight, hMaskDC.get(), 0, 0, SRCAND );
+ // now MemDC contains background with masked-out bitmap area
+ ImplDrawBitmap( hMaskDC.get(), aPosAry, rSalBitmap, false, SRCERASE );
+ // now MaskDC contains the bitmap area with black background
+ BitBlt( hMemDC.get(), 0, 0, nDstWidth, nDstHeight, hMaskDC.get(), 0, 0, SRCPAINT );
+ // now MemDC contains background and bitmap merged together
+ }
+ // copy to output DC
+ BitBlt( hDC, nDstX, nDstY, nDstWidth, nDstHeight, hMemDC.get(), 0, 0, SRCCOPY );
+}
+
+bool WinSalGraphicsImpl::drawAlphaRect( tools::Long nX, tools::Long nY, tools::Long nWidth,
+ tools::Long nHeight, sal_uInt8 nTransparency )
+{
+ if( mbPen || !mbBrush || mbXORMode )
+ return false; // can only perform solid fills without XOR.
+
+ ScopedCachedHDC<CACHED_HDC_1> hMemDC(nullptr);
+ SetPixel( hMemDC.get(), int(0), int(0), mnBrushColor );
+
+ BLENDFUNCTION aFunc = {
+ AC_SRC_OVER,
+ 0,
+ sal::static_int_cast<sal_uInt8>(255 - 255L*nTransparency/100),
+ 0
+ };
+
+ // hMemDC contains a 1x1 bitmap of the right color - stretch-blit
+ // that to dest hdc
+ bool bRet = GdiAlphaBlend(mrParent.getHDC(), nX, nY, nWidth, nHeight,
+ hMemDC.get(), 0,0,1,1,
+ aFunc ) == TRUE;
+
+ return bRet;
+}
+
+void WinSalGraphicsImpl::drawMask(const SalTwoRect& rPosAry,
+ const SalBitmap& rSSalBitmap,
+ Color nMaskColor)
+{
+ SAL_WARN_IF( mrParent.isPrinter(), "vcl", "No transparency print possible!" );
+
+ assert(dynamic_cast<const WinSalBitmap*>(&rSSalBitmap));
+
+ const WinSalBitmap& rSalBitmap = static_cast<const WinSalBitmap&>(rSSalBitmap);
+
+ SalTwoRect aPosAry = rPosAry;
+ const HDC hDC = mrParent.getHDC();
+
+ ScopedSelectedHBRUSH hBrush(hDC, CreateSolidBrush(RGB(nMaskColor.GetRed(),
+ nMaskColor.GetGreen(),
+ nMaskColor.GetBlue())));
+
+ // WIN/WNT seems to have a minor problem mapping the correct color of the
+ // mask to the palette if we draw the DIB directly ==> draw DDB
+ if( ( GetBitCount() <= 8 ) && rSalBitmap.ImplGethDIB() && rSalBitmap.GetBitCount() == 1 )
+ {
+ WinSalBitmap aTmp;
+
+ if( aTmp.Create( rSalBitmap, &mrParent ) )
+ ImplDrawBitmap( hDC, aPosAry, aTmp, false, 0x00B8074AUL );
+ }
+ else
+ ImplDrawBitmap( hDC, aPosAry, rSalBitmap, false, 0x00B8074AUL );
+}
+
+std::shared_ptr<SalBitmap> WinSalGraphicsImpl::getBitmap( tools::Long nX, tools::Long nY, tools::Long nDX, tools::Long nDY )
+{
+ SAL_WARN_IF( mrParent.isPrinter(), "vcl", "No ::GetBitmap() from printer possible!" );
+
+ std::shared_ptr<WinSalBitmap> pSalBitmap;
+
+ nDX = std::abs( nDX );
+ nDY = std::abs( nDY );
+
+ HDC hDC = mrParent.getHDC();
+ HBITMAP hBmpBitmap = CreateCompatibleBitmap( hDC, nDX, nDY );
+ bool bRet;
+
+ {
+ ScopedCachedHDC<CACHED_HDC_1> hBmpDC(hBmpBitmap);
+
+ bRet = BitBlt(hBmpDC.get(), 0, 0,
+ static_cast<int>(nDX), static_cast<int>(nDY), hDC,
+ static_cast<int>(nX), static_cast<int>(nY), SRCCOPY) ? TRUE : FALSE;
+ }
+
+ if( bRet )
+ {
+ pSalBitmap = std::make_shared<WinSalBitmap>();
+
+ if( !pSalBitmap->Create( hBmpBitmap ) )
+ {
+ pSalBitmap.reset();
+ }
+ }
+ else
+ {
+ // #124826# avoid resource leak! Happens when running without desktop access (remote desktop, service, may be screensavers)
+ DeleteBitmap( hBmpBitmap );
+ }
+
+ return pSalBitmap;
+}
+
+Color WinSalGraphicsImpl::getPixel( tools::Long nX, tools::Long nY )
+{
+ COLORREF aWinCol = ::GetPixel( mrParent.getHDC(), static_cast<int>(nX), static_cast<int>(nY) );
+
+ if ( CLR_INVALID == aWinCol )
+ return Color( 0, 0, 0 );
+ else
+ return Color( GetRValue( aWinCol ),
+ GetGValue( aWinCol ),
+ GetBValue( aWinCol ) );
+}
+
+namespace
+{
+
+HBRUSH Get50PercentBrush()
+{
+ SalData* pSalData = GetSalData();
+ if ( !pSalData->mh50Brush )
+ {
+ if ( !pSalData->mh50Bmp )
+ pSalData->mh50Bmp = ImplLoadSalBitmap( SAL_RESID_BITMAP_50 );
+ pSalData->mh50Brush = CreatePatternBrush( pSalData->mh50Bmp );
+ }
+
+ return pSalData->mh50Brush;
+}
+
+} // namespace
+
+void WinSalGraphicsImpl::invert( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight, SalInvert nFlags )
+{
+ if ( nFlags & SalInvert::TrackFrame )
+ {
+ HPEN hDotPen = CreatePen( PS_DOT, 0, 0 );
+ HPEN hOldPen = SelectPen( mrParent.getHDC(), hDotPen );
+ HBRUSH hOldBrush = SelectBrush( mrParent.getHDC(), GetStockBrush( NULL_BRUSH ) );
+ int nOldROP = SetROP2( mrParent.getHDC(), R2_NOT );
+
+ Rectangle( mrParent.getHDC(), static_cast<int>(nX), static_cast<int>(nY), static_cast<int>(nX+nWidth), static_cast<int>(nY+nHeight) );
+
+ SetROP2( mrParent.getHDC(), nOldROP );
+ SelectPen( mrParent.getHDC(), hOldPen );
+ SelectBrush( mrParent.getHDC(), hOldBrush );
+ DeletePen( hDotPen );
+ }
+ else if ( nFlags & SalInvert::N50 )
+ {
+ COLORREF nOldTextColor = ::SetTextColor( mrParent.getHDC(), 0 );
+ HBRUSH hOldBrush = SelectBrush( mrParent.getHDC(), Get50PercentBrush() );
+ PatBlt( mrParent.getHDC(), nX, nY, nWidth, nHeight, PATINVERT );
+ ::SetTextColor( mrParent.getHDC(), nOldTextColor );
+ SelectBrush( mrParent.getHDC(), hOldBrush );
+ }
+ else
+ {
+ RECT aRect;
+ aRect.left = static_cast<int>(nX);
+ aRect.top = static_cast<int>(nY);
+ aRect.right = static_cast<int>(nX)+nWidth;
+ aRect.bottom = static_cast<int>(nY)+nHeight;
+ ::InvertRect( mrParent.getHDC(), &aRect );
+ }
+}
+
+void WinSalGraphicsImpl::invert( sal_uInt32 nPoints, const Point* pPtAry, SalInvert nSalFlags )
+{
+ HPEN hPen;
+ HPEN hOldPen;
+ HBRUSH hBrush;
+ HBRUSH hOldBrush = nullptr;
+ COLORREF nOldTextColor RGB(0,0,0);
+ int nOldROP = SetROP2( mrParent.getHDC(), R2_NOT );
+
+ if ( nSalFlags & SalInvert::TrackFrame )
+ hPen = CreatePen( PS_DOT, 0, 0 );
+ else
+ {
+
+ if ( nSalFlags & SalInvert::N50 )
+ hBrush = Get50PercentBrush();
+ else
+ hBrush = GetStockBrush( BLACK_BRUSH );
+
+ hPen = GetStockPen( NULL_PEN );
+ nOldTextColor = ::SetTextColor( mrParent.getHDC(), 0 );
+ hOldBrush = SelectBrush( mrParent.getHDC(), hBrush );
+ }
+ hOldPen = SelectPen( mrParent.getHDC(), hPen );
+
+ std::unique_ptr<POINT[]> pWinPtAry(new POINT[nPoints]);
+ for (sal_uInt32 i=0; i<nPoints; ++i)
+ pWinPtAry[i] = POINT { static_cast<LONG>(pPtAry[i].getX()), static_cast<LONG>(pPtAry[i].getY()) };
+
+ // for Windows 95 and its maximum number of points
+ if ( nSalFlags & SalInvert::TrackFrame )
+ {
+ if ( !Polyline( mrParent.getHDC(), pWinPtAry.get(), static_cast<int>(nPoints) ) && (nPoints > MAX_64KSALPOINTS) )
+ Polyline( mrParent.getHDC(), pWinPtAry.get(), MAX_64KSALPOINTS );
+ }
+ else
+ {
+ if ( !Polygon( mrParent.getHDC(), pWinPtAry.get(), static_cast<int>(nPoints) ) && (nPoints > MAX_64KSALPOINTS) )
+ Polygon( mrParent.getHDC(), pWinPtAry.get(), MAX_64KSALPOINTS );
+ }
+
+ SetROP2( mrParent.getHDC(), nOldROP );
+ SelectPen( mrParent.getHDC(), hOldPen );
+
+ if ( nSalFlags & SalInvert::TrackFrame )
+ DeletePen( hPen );
+ else
+ {
+ ::SetTextColor( mrParent.getHDC(), nOldTextColor );
+ SelectBrush( mrParent.getHDC(), hOldBrush );
+ }
+}
+
+sal_uInt16 WinSalGraphicsImpl::GetBitCount() const
+{
+ return static_cast<sal_uInt16>(GetDeviceCaps( mrParent.getHDC(), BITSPIXEL ));
+}
+
+tools::Long WinSalGraphicsImpl::GetGraphicsWidth() const
+{
+ if( mrParent.gethWnd() && IsWindow( mrParent.gethWnd() ) )
+ {
+ WinSalFrame* pFrame = GetWindowPtr( mrParent.gethWnd() );
+ if( pFrame )
+ {
+ if( pFrame->maGeometry.nWidth )
+ return pFrame->maGeometry.nWidth;
+ else
+ {
+ // TODO: perhaps not needed, maGeometry should always be up-to-date
+ RECT aRect;
+ GetClientRect( mrParent.gethWnd(), &aRect );
+ return aRect.right;
+ }
+ }
+ }
+
+ return 0;
+}
+
+void WinSalGraphicsImpl::ResetClipRegion()
+{
+ if ( mrParent.mhRegion )
+ {
+ DeleteRegion( mrParent.mhRegion );
+ mrParent.mhRegion = nullptr;
+ }
+
+ SelectClipRgn( mrParent.getHDC(), nullptr );
+}
+
+static bool containsOnlyHorizontalAndVerticalEdges(const basegfx::B2DPolygon& rCandidate)
+{
+ if(rCandidate.areControlPointsUsed())
+ {
+ return false;
+ }
+
+ const sal_uInt32 nPointCount(rCandidate.count());
+
+ if(nPointCount < 2)
+ {
+ return true;
+ }
+
+ const sal_uInt32 nEdgeCount(rCandidate.isClosed() ? nPointCount + 1 : nPointCount);
+ basegfx::B2DPoint aLast(rCandidate.getB2DPoint(0));
+
+ for(sal_uInt32 a(1); a < nEdgeCount; a++)
+ {
+ const sal_uInt32 nNextIndex(a % nPointCount);
+ const basegfx::B2DPoint aCurrent(rCandidate.getB2DPoint(nNextIndex));
+
+ if(!basegfx::fTools::equal(aLast.getX(), aCurrent.getX()) && !basegfx::fTools::equal(aLast.getY(), aCurrent.getY()))
+ {
+ return false;
+ }
+
+ aLast = aCurrent;
+ }
+
+ return true;
+}
+
+static bool containsOnlyHorizontalAndVerticalEdges(const basegfx::B2DPolyPolygon& rCandidate)
+{
+ if(rCandidate.areControlPointsUsed())
+ {
+ return false;
+ }
+
+ for(auto const& rPolygon : rCandidate)
+ {
+ if(!containsOnlyHorizontalAndVerticalEdges(rPolygon))
+ {
+ return false;
+ }
+ }
+
+ return true;
+}
+
+bool WinSalGraphicsImpl::setClipRegion( const vcl::Region& i_rClip )
+{
+ if ( mrParent.mhRegion )
+ {
+ DeleteRegion( mrParent.mhRegion );
+ mrParent.mhRegion = nullptr;
+ }
+
+ bool bUsePolygon(i_rClip.HasPolyPolygonOrB2DPolyPolygon());
+ static bool bTryToAvoidPolygon(true);
+
+ // #i122149# try to avoid usage of tools::PolyPolygon ClipRegions when tools::PolyPolygon is no curve
+ // and only contains horizontal/vertical edges. In that case, use the fallback
+ // in GetRegionRectangles which will use vcl::Region::GetAsRegionBand() which will do
+ // the correct polygon-to-RegionBand transformation.
+ // Background is that when using the same Rectangle as rectangle or as Polygon
+ // clip region will lead to different results; the polygon-based one will be
+ // one pixel less to the right and down (see GDI docu for CreatePolygonRgn). This
+ // again is because of the polygon-nature and it's classic handling when filling.
+ // This also means that all cases which use a 'true' polygon-based incarnation of
+ // a vcl::Region should know what they do - it may lead to repaint errors.
+ if(bUsePolygon && bTryToAvoidPolygon)
+ {
+ const basegfx::B2DPolyPolygon aPolyPolygon( i_rClip.GetAsB2DPolyPolygon() );
+
+ if(!aPolyPolygon.areControlPointsUsed())
+ {
+ if(containsOnlyHorizontalAndVerticalEdges(aPolyPolygon))
+ {
+ bUsePolygon = false;
+ }
+ }
+ }
+
+ if(bUsePolygon)
+ {
+ // #i122149# check the comment above to know that this may lead to potential repaint
+ // problems. It may be solved (if needed) by scaling the polygon by one in X
+ // and Y. Currently the workaround to only use it if really unavoidable will
+ // solve most cases. When someone is really using polygon-based Regions he
+ // should know what he is doing.
+ // Added code to do that scaling to check if it works, testing it.
+ const basegfx::B2DPolyPolygon aPolyPolygon( i_rClip.GetAsB2DPolyPolygon() );
+ const sal_uInt32 nCount(aPolyPolygon.count());
+
+ if( nCount )
+ {
+ std::vector< POINT > aPolyPoints;
+ aPolyPoints.reserve( 1024 );
+ std::vector< INT > aPolyCounts( nCount, 0 );
+ basegfx::B2DHomMatrix aExpand;
+ sal_uInt32 nTargetCount(0);
+ static bool bExpandByOneInXandY(true);
+
+ if(bExpandByOneInXandY)
+ {
+ const basegfx::B2DRange aRangeS(aPolyPolygon.getB2DRange());
+ const basegfx::B2DRange aRangeT(aRangeS.getMinimum(), aRangeS.getMaximum() + basegfx::B2DTuple(1.0, 1.0));
+ aExpand = basegfx::utils::createSourceRangeTargetRangeTransform(aRangeS, aRangeT);
+ }
+
+ for(auto const& rPolygon : aPolyPolygon)
+ {
+ const basegfx::B2DPolygon aPoly(
+ basegfx::utils::adaptiveSubdivideByDistance(
+ rPolygon,
+ 1));
+ const sal_uInt32 nPoints(aPoly.count());
+
+ // tdf#40863 For CustomShapes there is a hack (see
+ // f64ef72743e55389e446e0d4bc6febd475011023) that adds polygons
+ // with a single point in top-left and bottom-right corner
+ // of the BoundRect to be able to determine the correct BoundRect
+ // in the slideshow. Unfortunately, CreatePolyPolygonRgn below
+ // fails with polygons containing a single pixel, so clipping is
+ // lost. For now, use only polygons with more than two points - the
+ // ones that may have an area.
+ // Note: polygons with one point which are curves may have an area,
+ // but the polygon is already subdivided here, so no need to test
+ // this.
+ if(nPoints > 2)
+ {
+ aPolyCounts[nTargetCount] = nPoints;
+ nTargetCount++;
+
+ for( sal_uInt32 b = 0; b < nPoints; b++ )
+ {
+ basegfx::B2DPoint aPt(aPoly.getB2DPoint(b));
+
+ if(bExpandByOneInXandY)
+ {
+ aPt = aExpand * aPt;
+ }
+
+ POINT aPOINT;
+ // #i122149# do correct rounding
+ aPOINT.x = basegfx::fround(aPt.getX());
+ aPOINT.y = basegfx::fround(aPt.getY());
+ aPolyPoints.push_back( aPOINT );
+ }
+ }
+ }
+
+ if(nTargetCount)
+ {
+ mrParent.mhRegion = CreatePolyPolygonRgn( aPolyPoints.data(), aPolyCounts.data(), nTargetCount, ALTERNATE );
+ }
+ }
+ }
+ else
+ {
+ RectangleVector aRectangles;
+ i_rClip.GetRegionRectangles(aRectangles);
+
+ sal_uLong nRectBufSize = sizeof(RECT)*aRectangles.size();
+ if ( aRectangles.size() < SAL_CLIPRECT_COUNT )
+ {
+ if ( !mrParent.mpStdClipRgnData )
+ mrParent.mpStdClipRgnData = reinterpret_cast<RGNDATA*>(new BYTE[sizeof(RGNDATA)-1+(SAL_CLIPRECT_COUNT*sizeof(RECT))]);
+ mrParent.mpClipRgnData = mrParent.mpStdClipRgnData;
+ }
+ else
+ mrParent.mpClipRgnData = reinterpret_cast<RGNDATA*>(new BYTE[sizeof(RGNDATA)-1+nRectBufSize]);
+ mrParent.mpClipRgnData->rdh.dwSize = sizeof( RGNDATAHEADER );
+ mrParent.mpClipRgnData->rdh.iType = RDH_RECTANGLES;
+ mrParent.mpClipRgnData->rdh.nCount = aRectangles.size();
+ mrParent.mpClipRgnData->rdh.nRgnSize = nRectBufSize;
+ RECT* pBoundRect = &(mrParent.mpClipRgnData->rdh.rcBound);
+ SetRectEmpty( pBoundRect );
+ RECT* pNextClipRect = reinterpret_cast<RECT*>(&(mrParent.mpClipRgnData->Buffer));
+ bool bFirstClipRect = true;
+
+ for (auto const& rectangle : aRectangles)
+ {
+ const tools::Long nW(rectangle.GetWidth());
+ const tools::Long nH(rectangle.GetHeight());
+
+ if(nW && nH)
+ {
+ const tools::Long nRight(rectangle.Left() + nW);
+ const tools::Long nBottom(rectangle.Top() + nH);
+
+ if(bFirstClipRect)
+ {
+ pBoundRect->left = rectangle.Left();
+ pBoundRect->top = rectangle.Top();
+ pBoundRect->right = nRight;
+ pBoundRect->bottom = nBottom;
+ bFirstClipRect = false;
+ }
+ else
+ {
+ if(rectangle.Left() < pBoundRect->left)
+ {
+ pBoundRect->left = static_cast<int>(rectangle.Left());
+ }
+
+ if(rectangle.Top() < pBoundRect->top)
+ {
+ pBoundRect->top = static_cast<int>(rectangle.Top());
+ }
+
+ if(nRight > pBoundRect->right)
+ {
+ pBoundRect->right = static_cast<int>(nRight);
+ }
+
+ if(nBottom > pBoundRect->bottom)
+ {
+ pBoundRect->bottom = static_cast<int>(nBottom);
+ }
+ }
+
+ pNextClipRect->left = static_cast<int>(rectangle.Left());
+ pNextClipRect->top = static_cast<int>(rectangle.Top());
+ pNextClipRect->right = static_cast<int>(nRight);
+ pNextClipRect->bottom = static_cast<int>(nBottom);
+ pNextClipRect++;
+ }
+ else
+ {
+ mrParent.mpClipRgnData->rdh.nCount--;
+ mrParent.mpClipRgnData->rdh.nRgnSize -= sizeof( RECT );
+ }
+ }
+
+ // create clip region from ClipRgnData
+ if(0 == mrParent.mpClipRgnData->rdh.nCount)
+ {
+ // #i123585# region is empty; this may happen when e.g. a tools::PolyPolygon is given
+ // that contains no polygons or only empty ones (no width/height). This is
+ // perfectly fine and we are done, except setting it (see end of method)
+ }
+ else if(1 == mrParent.mpClipRgnData->rdh.nCount)
+ {
+ RECT* pRect = &(mrParent.mpClipRgnData->rdh.rcBound);
+ mrParent.mhRegion = CreateRectRgn( pRect->left, pRect->top,
+ pRect->right, pRect->bottom );
+ }
+ else if(mrParent.mpClipRgnData->rdh.nCount > 1)
+ {
+ sal_uLong nSize = mrParent.mpClipRgnData->rdh.nRgnSize+sizeof(RGNDATAHEADER);
+ mrParent.mhRegion = ExtCreateRegion( nullptr, nSize, mrParent.mpClipRgnData );
+
+ // if ExtCreateRegion(...) is not supported
+ if( !mrParent.mhRegion )
+ {
+ RGNDATAHEADER const & pHeader = mrParent.mpClipRgnData->rdh;
+
+ if( pHeader.nCount )
+ {
+ RECT* pRect = reinterpret_cast<RECT*>(mrParent.mpClipRgnData->Buffer);
+ mrParent.mhRegion = CreateRectRgn( pRect->left, pRect->top, pRect->right, pRect->bottom );
+ pRect++;
+
+ for( sal_uLong n = 1; n < pHeader.nCount; n++, pRect++ )
+ {
+ ScopedHRGN hRgn(CreateRectRgn(pRect->left, pRect->top, pRect->right, pRect->bottom));
+ CombineRgn( mrParent.mhRegion, mrParent.mhRegion, hRgn.get(), RGN_OR );
+ }
+ }
+ }
+
+ if ( mrParent.mpClipRgnData != mrParent.mpStdClipRgnData )
+ delete [] reinterpret_cast<BYTE*>(mrParent.mpClipRgnData);
+ }
+ }
+
+ if( mrParent.mhRegion )
+ {
+ SelectClipRgn( mrParent.getHDC(), mrParent.mhRegion );
+
+ // debug code if you want to check range of the newly applied ClipRegion
+ //RECT aBound;
+ //const int aRegionType = GetRgnBox(mrParent.mhRegion, &aBound);
+
+ //bool bBla = true;
+ }
+ else
+ {
+ // #i123585# See above, this is a valid case, execute it
+ SelectClipRgn( mrParent.getHDC(), nullptr );
+ }
+
+ // #i123585# retval no longer dependent of mrParent.mhRegion, see TaskId comments above
+ return true;
+}
+
+void WinSalGraphicsImpl::SetLineColor()
+{
+ ResetPen(GetStockPen(NULL_PEN));
+
+ // set new data
+ mbPen = false;
+ mbStockPen = true;
+}
+
+void WinSalGraphicsImpl::SetLineColor(Color nColor)
+{
+ COLORREF nPenColor = PALETTERGB(nColor.GetRed(),
+ nColor.GetGreen(),
+ nColor.GetBlue());
+ bool bStockPen = false;
+
+ HPEN hNewPen = SearchStockPen(nPenColor);
+ if (hNewPen)
+ bStockPen = true;
+ else
+ hNewPen = MakePen(nColor);
+
+ ResetPen(hNewPen);
+
+ // set new data
+ mnPenColor = nPenColor;
+ maLineColor = nColor;
+ mbPen = true;
+ mbStockPen = bStockPen;
+}
+
+HPEN WinSalGraphicsImpl::SearchStockPen(COLORREF nPenColor)
+{
+ // Only screen, because printer has problems, when we use stock objects.
+ if (!mrParent.isPrinter())
+ {
+ const SalData* pSalData = GetSalData();
+
+ for (sal_uInt16 i = 0; i < pSalData->mnStockPenCount; i++)
+ {
+ if (nPenColor == pSalData->maStockPenColorAry[i])
+ return pSalData->mhStockPenAry[i];
+ }
+ }
+
+ return nullptr;
+}
+
+HPEN WinSalGraphicsImpl::MakePen(Color nColor)
+{
+ COLORREF nPenColor = PALETTERGB(nColor.GetRed(),
+ nColor.GetGreen(),
+ nColor.GetBlue());
+
+ if (!mrParent.isPrinter())
+ {
+ if (GetSalData()->mhDitherPal && ImplIsSysColorEntry(nColor))
+ {
+ nPenColor = PALRGB_TO_RGB(nPenColor);
+ }
+ }
+
+ return CreatePen(PS_SOLID, mrParent.mnPenWidth, nPenColor);
+}
+
+void WinSalGraphicsImpl::ResetPen(HPEN hNewPen)
+{
+ HPEN hOldPen = SelectPen(mrParent.getHDC(), hNewPen);
+
+ if (mhPen)
+ {
+ if (!mbStockPen)
+ {
+ DeletePen(mhPen);
+ }
+ }
+ else
+ {
+ mrParent.mhDefPen = hOldPen;
+ }
+
+ mhPen = hNewPen;
+}
+
+void WinSalGraphicsImpl::SetFillColor()
+{
+ ResetBrush(GetStockBrush(NULL_BRUSH));
+
+ // set new data
+ mbBrush = false;
+ mbStockBrush = true;
+}
+
+void WinSalGraphicsImpl::SetFillColor(Color nColor)
+{
+ COLORREF nBrushColor = PALETTERGB(nColor.GetRed(),
+ nColor.GetGreen(),
+ nColor.GetBlue());
+ bool bStockBrush = false;
+
+ HBRUSH hNewBrush = SearchStockBrush(nBrushColor);
+ if (hNewBrush)
+ bStockBrush = true;
+ else
+ hNewBrush = MakeBrush(nColor);
+
+ ResetBrush(hNewBrush);
+
+ // set new data
+ mnBrushColor = nBrushColor;
+ maFillColor = nColor;
+ mbBrush = true;
+ mbStockBrush = bStockBrush;
+}
+
+HBRUSH WinSalGraphicsImpl::SearchStockBrush(COLORREF nBrushColor)
+{
+ // Only screen, because printer has problems, when we use stock objects.
+ if (!mrParent.isPrinter())
+ {
+ const SalData* pSalData = GetSalData();
+
+ for (sal_uInt16 i = 0; i < pSalData->mnStockBrushCount; i++)
+ {
+ if (nBrushColor == pSalData->maStockBrushColorAry[i])
+ return pSalData->mhStockBrushAry[i];
+ }
+ }
+
+ return nullptr;
+}
+
+namespace
+{
+
+BYTE GetDitherMappingValue(BYTE nVal, BYTE nThres, const SalData* pSalData)
+{
+ return (pSalData->mpDitherDiff[nVal] > nThres) ?
+ pSalData->mpDitherHigh[nVal] : pSalData->mpDitherLow[nVal];
+}
+
+HBRUSH Make16BitDIBPatternBrush(Color nColor)
+{
+ const SalData* pSalData = GetSalData();
+
+ const BYTE nRed = nColor.GetRed();
+ const BYTE nGreen = nColor.GetGreen();
+ const BYTE nBlue = nColor.GetBlue();
+
+ static const BYTE aOrdDither16Bit[8][8] =
+ {
+ { 0, 6, 1, 7, 0, 6, 1, 7 },
+ { 4, 2, 5, 3, 4, 2, 5, 3 },
+ { 1, 7, 0, 6, 1, 7, 0, 6 },
+ { 5, 3, 4, 2, 5, 3, 4, 2 },
+ { 0, 6, 1, 7, 0, 6, 1, 7 },
+ { 4, 2, 5, 3, 4, 2, 5, 3 },
+ { 1, 7, 0, 6, 1, 7, 0, 6 },
+ { 5, 3, 4, 2, 5, 3, 4, 2 }
+ };
+
+ BYTE* pTmp = pSalData->mpDitherDIBData;
+
+ for(int nY = 0; nY < 8; ++nY)
+ {
+ for(int nX = 0; nX < 8; ++nX)
+ {
+ const BYTE nThres = aOrdDither16Bit[nY][nX];
+ *pTmp++ = GetDitherMappingValue(nBlue, nThres, pSalData);
+ *pTmp++ = GetDitherMappingValue(nGreen, nThres, pSalData);
+ *pTmp++ = GetDitherMappingValue(nRed, nThres, pSalData);
+ }
+ }
+
+ return CreateDIBPatternBrush(pSalData->mhDitherDIB, DIB_RGB_COLORS);
+}
+
+HBRUSH Make8BitDIBPatternBrush(Color nColor)
+{
+ const SalData* pSalData = GetSalData();
+
+ const BYTE nRed = nColor.GetRed();
+ const BYTE nGreen = nColor.GetGreen();
+ const BYTE nBlue = nColor.GetBlue();
+
+ static const BYTE aOrdDither8Bit[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 }
+ };
+
+ BYTE* pTmp = pSalData->mpDitherDIBData;
+
+ for (int nY = 0; nY < 8; ++nY)
+ {
+ for (int nX = 0; nX < 8; ++nX)
+ {
+ const BYTE nThres = aOrdDither8Bit[nY][nX];
+ *pTmp = GetDitherMappingValue(nRed, nThres, pSalData) +
+ GetDitherMappingValue(nGreen, nThres, pSalData) * 6 +
+ GetDitherMappingValue(nBlue, nThres, pSalData) * 36;
+ pTmp++;
+ }
+ }
+
+ return CreateDIBPatternBrush(pSalData->mhDitherDIB, DIB_PAL_COLORS);
+}
+
+} // namespace
+
+HBRUSH WinSalGraphicsImpl::MakeBrush(Color nColor)
+{
+ const SalData* pSalData = GetSalData();
+
+ const BYTE nRed = nColor.GetRed();
+ const BYTE nGreen = nColor.GetGreen();
+ const BYTE nBlue = nColor.GetBlue();
+ const COLORREF nBrushColor = PALETTERGB(nRed, nGreen, nBlue);
+
+ if (mrParent.isPrinter() || !pSalData->mhDitherDIB)
+ return CreateSolidBrush(nBrushColor);
+
+ if (24 == reinterpret_cast<BITMAPINFOHEADER*>(pSalData->mpDitherDIB)->biBitCount)
+ return Make16BitDIBPatternBrush(nColor);
+
+ if (ImplIsSysColorEntry(nColor))
+ return CreateSolidBrush(PALRGB_TO_RGB(nBrushColor));
+
+ if (ImplIsPaletteEntry(nRed, nGreen, nBlue))
+ return CreateSolidBrush(nBrushColor);
+
+ return Make8BitDIBPatternBrush(nColor);
+}
+
+void WinSalGraphicsImpl::ResetBrush(HBRUSH hNewBrush)
+{
+ HBRUSH hOldBrush = SelectBrush(mrParent.getHDC(), hNewBrush);
+
+ if (mhBrush)
+ {
+ if (!mbStockBrush)
+ {
+ DeleteBrush(mhBrush);
+ }
+ }
+ else
+ {
+ mrParent.mhDefBrush = hOldBrush;
+ }
+
+ mhBrush = hNewBrush;
+}
+
+void WinSalGraphicsImpl::SetXORMode( bool bSet, bool )
+{
+ mbXORMode = bSet;
+ ::SetROP2( mrParent.getHDC(), bSet ? R2_XORPEN : R2_COPYPEN );
+}
+
+void WinSalGraphicsImpl::SetROPLineColor( SalROPColor nROPColor )
+{
+ SetLineColor( ImplGetROPColor( nROPColor ) );
+}
+
+void WinSalGraphicsImpl::SetROPFillColor( SalROPColor nROPColor )
+{
+ SetFillColor( ImplGetROPColor( nROPColor ) );
+}
+
+void WinSalGraphicsImpl::DrawPixelImpl( tools::Long nX, tools::Long nY, COLORREF crColor )
+{
+ const HDC hDC = mrParent.getHDC();
+
+ if (!mbXORMode)
+ {
+ SetPixel(hDC, static_cast<int>(nX), static_cast<int>(nY), crColor);
+ return;
+ }
+
+ ScopedSelectedHBRUSH hBrush(hDC, CreateSolidBrush(crColor));
+ PatBlt(hDC, static_cast<int>(nX), static_cast<int>(nY), int(1), int(1), PATINVERT);
+}
+
+void WinSalGraphicsImpl::drawPixel( tools::Long nX, tools::Long nY )
+{
+ DrawPixelImpl( nX, nY, mnPenColor );
+}
+
+void WinSalGraphicsImpl::drawPixel( tools::Long nX, tools::Long nY, Color nColor )
+{
+ COLORREF nCol = PALETTERGB( nColor.GetRed(),
+ nColor.GetGreen(),
+ nColor.GetBlue() );
+
+ if ( !mrParent.isPrinter() &&
+ GetSalData()->mhDitherPal &&
+ ImplIsSysColorEntry( nColor ) )
+ nCol = PALRGB_TO_RGB( nCol );
+
+ DrawPixelImpl( nX, nY, nCol );
+}
+
+void WinSalGraphicsImpl::drawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2 )
+{
+ MoveToEx( mrParent.getHDC(), static_cast<int>(nX1), static_cast<int>(nY1), nullptr );
+
+ LineTo( mrParent.getHDC(), static_cast<int>(nX2), static_cast<int>(nY2) );
+
+ // LineTo doesn't draw the last pixel
+ if ( !mrParent.isPrinter() )
+ DrawPixelImpl( nX2, nY2, mnPenColor );
+}
+
+void WinSalGraphicsImpl::drawRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight )
+{
+ if ( !mbPen )
+ {
+ if ( !mrParent.isPrinter() )
+ {
+ PatBlt( mrParent.getHDC(), static_cast<int>(nX), static_cast<int>(nY), static_cast<int>(nWidth), static_cast<int>(nHeight),
+ mbXORMode ? PATINVERT : PATCOPY );
+ }
+ else
+ {
+ RECT aWinRect;
+ aWinRect.left = nX;
+ aWinRect.top = nY;
+ aWinRect.right = nX+nWidth;
+ aWinRect.bottom = nY+nHeight;
+ ::FillRect( mrParent.getHDC(), &aWinRect, mhBrush );
+ }
+ }
+ else
+ Rectangle( mrParent.getHDC(), static_cast<int>(nX), static_cast<int>(nY), static_cast<int>(nX+nWidth), static_cast<int>(nY+nHeight) );
+}
+
+void WinSalGraphicsImpl::drawPolyLine( sal_uInt32 nPoints, const Point* pPtAry )
+{
+ std::unique_ptr<POINT[]> pWinPtAry(new POINT[nPoints]);
+ for (sal_uInt32 i=0; i<nPoints; ++i)
+ pWinPtAry[i] = POINT { static_cast<LONG>(pPtAry[i].getX()), static_cast<LONG>(pPtAry[i].getY()) };
+
+ // for Windows 95 and its maximum number of points
+ if ( !Polyline( mrParent.getHDC(), pWinPtAry.get(), static_cast<int>(nPoints) ) && (nPoints > MAX_64KSALPOINTS) )
+ Polyline( mrParent.getHDC(), pWinPtAry.get(), MAX_64KSALPOINTS );
+
+ // Polyline seems to uses LineTo, which doesn't paint the last pixel (see 87eb8f8ee)
+ if ( !mrParent.isPrinter() )
+ DrawPixelImpl( pWinPtAry[nPoints-1].x, pWinPtAry[nPoints-1].y, mnPenColor );
+}
+
+void WinSalGraphicsImpl::drawPolygon( sal_uInt32 nPoints, const Point* pPtAry )
+{
+ std::unique_ptr<POINT[]> pWinPtAry(new POINT[nPoints]);
+ for (sal_uInt32 i=0; i<nPoints; ++i)
+ pWinPtAry[i] = POINT { static_cast<LONG>(pPtAry[i].getX()), static_cast<LONG>(pPtAry[i].getY()) };
+
+ // for Windows 95 and its maximum number of points
+ if ( !Polygon( mrParent.getHDC(), pWinPtAry.get(), static_cast<int>(nPoints) ) && (nPoints > MAX_64KSALPOINTS) )
+ Polygon( mrParent.getHDC(), pWinPtAry.get(), MAX_64KSALPOINTS );
+}
+
+void WinSalGraphicsImpl::drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints,
+ const Point** pPtAry )
+{
+ UINT aWinPointAry[SAL_POLYPOLYCOUNT_STACKBUF];
+ UINT* pWinPointAry;
+ UINT nPolyPolyPoints = 0;
+ UINT nPoints;
+ UINT i;
+
+ if ( nPoly <= SAL_POLYPOLYCOUNT_STACKBUF )
+ pWinPointAry = aWinPointAry;
+ else
+ pWinPointAry = new UINT[nPoly];
+
+ for ( i = 0; i < static_cast<UINT>(nPoly); i++ )
+ {
+ nPoints = static_cast<UINT>(pPoints[i])+1;
+ pWinPointAry[i] = nPoints;
+ nPolyPolyPoints += nPoints;
+ }
+
+ POINT aWinPointAryAry[SAL_POLYPOLYPOINTS_STACKBUF];
+ POINT* pWinPointAryAry;
+ if ( nPolyPolyPoints <= SAL_POLYPOLYPOINTS_STACKBUF )
+ pWinPointAryAry = aWinPointAryAry;
+ else
+ pWinPointAryAry = new POINT[nPolyPolyPoints];
+ UINT n = 0;
+ for ( i = 0; i < static_cast<UINT>(nPoly); i++ )
+ {
+ nPoints = pWinPointAry[i];
+ const Point* pPolyAry = pPtAry[i];
+ for (sal_uInt32 j=0; j<nPoints-1; ++j)
+ pWinPointAryAry[n+j] = POINT { static_cast<LONG>(pPolyAry[j].getX()), static_cast<LONG>(pPolyAry[j].getY()) };
+ pWinPointAryAry[n+nPoints-1] = pWinPointAryAry[n];
+ n += nPoints;
+ }
+
+ if ( !PolyPolygon( mrParent.getHDC(), pWinPointAryAry, reinterpret_cast<int*>(pWinPointAry), static_cast<UINT>(nPoly) ) &&
+ (nPolyPolyPoints > MAX_64KSALPOINTS) )
+ {
+ nPolyPolyPoints = 0;
+ nPoly = 0;
+ do
+ {
+ nPolyPolyPoints += pWinPointAry[static_cast<UINT>(nPoly)];
+ nPoly++;
+ }
+ while ( nPolyPolyPoints < MAX_64KSALPOINTS );
+ nPoly--;
+ if ( pWinPointAry[static_cast<UINT>(nPoly)] > MAX_64KSALPOINTS )
+ pWinPointAry[static_cast<UINT>(nPoly)] = MAX_64KSALPOINTS;
+ if ( nPoly == 1 )
+ Polygon( mrParent.getHDC(), pWinPointAryAry, *pWinPointAry );
+ else
+ PolyPolygon( mrParent.getHDC(), pWinPointAryAry, reinterpret_cast<int*>(pWinPointAry), nPoly );
+ }
+
+ if ( pWinPointAry != aWinPointAry )
+ delete [] pWinPointAry;
+ if ( pWinPointAryAry != aWinPointAryAry )
+ delete [] pWinPointAryAry;
+}
+
+bool WinSalGraphicsImpl::drawPolyLineBezier( sal_uInt32 nPoints, const Point* pPtAry, const PolyFlags* pFlgAry )
+{
+ // #100127# draw an array of points which might also contain bezier control points
+ if (!nPoints)
+ return true;
+
+ const HDC hdc = mrParent.getHDC();
+
+ // TODO: profile whether the following options are faster:
+ // a) look ahead and draw consecutive bezier or line segments by PolyBezierTo/PolyLineTo resp.
+ // b) convert our flag array to window's and use PolyDraw
+ MoveToEx(hdc, static_cast<LONG>(pPtAry->getX()), static_cast<LONG>(pPtAry->getY()), nullptr);
+ ++pPtAry;
+ ++pFlgAry;
+
+ for(sal_uInt32 i = 1; i < nPoints; ++i)
+ {
+ if(*pFlgAry != PolyFlags::Control)
+ {
+ LineTo(hdc, pPtAry->getX(), pPtAry->getY());
+ }
+ else if(nPoints - i > 2)
+ {
+ POINT bezierPoints[] = {
+ POINT { static_cast<LONG>(pPtAry[0].getX()), static_cast<LONG>(pPtAry[0].getY()) },
+ POINT { static_cast<LONG>(pPtAry[1].getX()), static_cast<LONG>(pPtAry[1].getY()) },
+ POINT { static_cast<LONG>(pPtAry[2].getX()), static_cast<LONG>(pPtAry[2].getY()) },
+ };
+ PolyBezierTo(hdc, bezierPoints, 3);
+ i += 2;
+ pPtAry += 2;
+ pFlgAry += 2;
+ }
+
+ ++pPtAry;
+ ++pFlgAry;
+ }
+
+ return true;
+}
+
+bool WinSalGraphicsImpl::drawPolygonBezier( sal_uInt32 nPoints, const Point* pPtAry, const PolyFlags* pFlgAry )
+{
+ POINT aStackAry1[SAL_POLY_STACKBUF];
+ BYTE aStackAry2[SAL_POLY_STACKBUF];
+ POINT* pWinPointAry;
+ BYTE* pWinFlagAry;
+ if( nPoints > SAL_POLY_STACKBUF )
+ {
+ pWinPointAry = new POINT[ nPoints ];
+ pWinFlagAry = new BYTE[ nPoints ];
+ }
+ else
+ {
+ pWinPointAry = aStackAry1;
+ pWinFlagAry = aStackAry2;
+ }
+
+ sal_uInt32 nPoints_i32(nPoints);
+ ImplPreparePolyDraw(true, 1, &nPoints_i32, &pPtAry, &pFlgAry, pWinPointAry, pWinFlagAry);
+
+ bool bRet( false );
+
+ if( BeginPath( mrParent.getHDC() ) )
+ {
+ PolyDraw(mrParent.getHDC(), pWinPointAry, pWinFlagAry, nPoints);
+
+ if( EndPath( mrParent.getHDC() ) )
+ {
+ if( StrokeAndFillPath( mrParent.getHDC() ) )
+ bRet = true;
+ }
+ }
+
+ if( pWinPointAry != aStackAry1 )
+ {
+ delete [] pWinPointAry;
+ delete [] pWinFlagAry;
+ }
+
+ return bRet;
+}
+
+bool WinSalGraphicsImpl::drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints,
+ const Point* const* pPtAry, const PolyFlags* const* pFlgAry )
+{
+ sal_uLong nCurrPoly, nTotalPoints;
+ const sal_uInt32* pCurrPoints = pPoints;
+ for( nCurrPoly=0, nTotalPoints=0; nCurrPoly<nPoly; ++nCurrPoly )
+ nTotalPoints += *pCurrPoints++;
+
+ POINT aStackAry1[SAL_POLY_STACKBUF];
+ BYTE aStackAry2[SAL_POLY_STACKBUF];
+ POINT* pWinPointAry;
+ BYTE* pWinFlagAry;
+ if( nTotalPoints > SAL_POLY_STACKBUF )
+ {
+ pWinPointAry = new POINT[ nTotalPoints ];
+ pWinFlagAry = new BYTE[ nTotalPoints ];
+ }
+ else
+ {
+ pWinPointAry = aStackAry1;
+ pWinFlagAry = aStackAry2;
+ }
+
+ ImplPreparePolyDraw(true, nPoly, pPoints, pPtAry, pFlgAry, pWinPointAry, pWinFlagAry);
+
+ bool bRet( false );
+
+ if( BeginPath( mrParent.getHDC() ) )
+ {
+ PolyDraw(mrParent.getHDC(), pWinPointAry, pWinFlagAry, nTotalPoints);
+
+ if( EndPath( mrParent.getHDC() ) )
+ {
+ if( StrokeAndFillPath( mrParent.getHDC() ) )
+ bRet = true;
+ }
+ }
+
+ if( pWinPointAry != aStackAry1 )
+ {
+ delete [] pWinPointAry;
+ delete [] pWinFlagAry;
+ }
+
+ return bRet;
+}
+
+static basegfx::B2DPoint impPixelSnap(
+ const basegfx::B2DPolygon& rPolygon,
+ const basegfx::B2DHomMatrix& rObjectToDevice,
+ basegfx::B2DHomMatrix& rObjectToDeviceInv,
+ sal_uInt32 nIndex)
+{
+ const sal_uInt32 nCount(rPolygon.count());
+
+ // get the data
+ const basegfx::B2ITuple aPrevTuple(basegfx::fround(rObjectToDevice * rPolygon.getB2DPoint((nIndex + nCount - 1) % nCount)));
+ const basegfx::B2DPoint aCurrPoint(rObjectToDevice * rPolygon.getB2DPoint(nIndex));
+ const basegfx::B2ITuple aCurrTuple(basegfx::fround(aCurrPoint));
+ const basegfx::B2ITuple aNextTuple(basegfx::fround(rObjectToDevice * rPolygon.getB2DPoint((nIndex + 1) % nCount)));
+
+ // get the states
+ const bool bPrevVertical(aPrevTuple.getX() == aCurrTuple.getX());
+ const bool bNextVertical(aNextTuple.getX() == aCurrTuple.getX());
+ const bool bPrevHorizontal(aPrevTuple.getY() == aCurrTuple.getY());
+ const bool bNextHorizontal(aNextTuple.getY() == aCurrTuple.getY());
+ const bool bSnapX(bPrevVertical || bNextVertical);
+ const bool bSnapY(bPrevHorizontal || bNextHorizontal);
+
+ if(bSnapX || bSnapY)
+ {
+ basegfx::B2DPoint aSnappedPoint(
+ bSnapX ? aCurrTuple.getX() : aCurrPoint.getX(),
+ bSnapY ? aCurrTuple.getY() : aCurrPoint.getY());
+
+ if(rObjectToDeviceInv.isIdentity())
+ {
+ rObjectToDeviceInv = rObjectToDevice;
+ rObjectToDeviceInv.invert();
+ }
+
+ aSnappedPoint *= rObjectToDeviceInv;
+
+ return aSnappedPoint;
+ }
+
+ return rPolygon.getB2DPoint(nIndex);
+}
+
+static void impAddB2DPolygonToGDIPlusGraphicsPathReal(
+ Gdiplus::GraphicsPath& rGraphicsPath,
+ const basegfx::B2DPolygon& rPolygon,
+ const basegfx::B2DHomMatrix& rObjectToDevice,
+ bool bNoLineJoin,
+ bool bPixelSnapHairline)
+{
+ sal_uInt32 nCount(rPolygon.count());
+
+ if(nCount)
+ {
+ const sal_uInt32 nEdgeCount(rPolygon.isClosed() ? nCount : nCount - 1);
+
+ if(nEdgeCount)
+ {
+ const bool bControls(rPolygon.areControlPointsUsed());
+ basegfx::B2DPoint aCurr(rPolygon.getB2DPoint(0));
+ basegfx::B2DHomMatrix aObjectToDeviceInv;
+
+ if(bPixelSnapHairline)
+ {
+ aCurr = impPixelSnap(rPolygon, rObjectToDevice, aObjectToDeviceInv, 0);
+ }
+
+ for(sal_uInt32 a(0); a < nEdgeCount; a++)
+ {
+ const sal_uInt32 nNextIndex((a + 1) % nCount);
+ basegfx::B2DPoint aNext(rPolygon.getB2DPoint(nNextIndex));
+ const bool b1stControlPointUsed(bControls && rPolygon.isNextControlPointUsed(a));
+ const bool b2ndControlPointUsed(bControls && rPolygon.isPrevControlPointUsed(nNextIndex));
+
+ if(bPixelSnapHairline)
+ {
+ aNext = impPixelSnap(rPolygon, rObjectToDevice, aObjectToDeviceInv, nNextIndex);
+ }
+
+ if(b1stControlPointUsed || b2ndControlPointUsed)
+ {
+ basegfx::B2DPoint aCa(rPolygon.getNextControlPoint(a));
+ basegfx::B2DPoint aCb(rPolygon.getPrevControlPoint(nNextIndex));
+
+ // tdf#99165 MS Gdiplus cannot handle creating correct extra geometry for fat lines
+ // with LineCap or LineJoin when a bezier segment starts or ends trivial, e.g. has
+ // no 1st or 2nd control point, despite that these are mathematically correct definitions
+ // (basegfx can handle that).
+ // Caution: This error (and it's correction) might be necessary for other graphical
+ // sub-systems in a similar way.
+ // tdf#101026 The 1st attempt to create a mathematically correct replacement control
+ // vector was wrong. Best alternative is one as close as possible which means short.
+ if(!b1stControlPointUsed)
+ {
+ aCa = aCurr + ((aCb - aCurr) * 0.0005);
+ }
+ else if(!b2ndControlPointUsed)
+ {
+ aCb = aNext + ((aCa - aNext) * 0.0005);
+ }
+
+ rGraphicsPath.AddBezier(
+ static_cast< Gdiplus::REAL >(aCurr.getX()), static_cast< Gdiplus::REAL >(aCurr.getY()),
+ static_cast< Gdiplus::REAL >(aCa.getX()), static_cast< Gdiplus::REAL >(aCa.getY()),
+ static_cast< Gdiplus::REAL >(aCb.getX()), static_cast< Gdiplus::REAL >(aCb.getY()),
+ static_cast< Gdiplus::REAL >(aNext.getX()), static_cast< Gdiplus::REAL >(aNext.getY()));
+ }
+ else
+ {
+ rGraphicsPath.AddLine(
+ static_cast< Gdiplus::REAL >(aCurr.getX()), static_cast< Gdiplus::REAL >(aCurr.getY()),
+ static_cast< Gdiplus::REAL >(aNext.getX()), static_cast< Gdiplus::REAL >(aNext.getY()));
+ }
+
+ if(a + 1 < nEdgeCount)
+ {
+ aCurr = aNext;
+
+ if(bNoLineJoin)
+ {
+ rGraphicsPath.StartFigure();
+ }
+ }
+ }
+ }
+ }
+}
+
+namespace {
+
+class SystemDependentData_GraphicsPath : public basegfx::SystemDependentData
+{
+private:
+ // the path data itself
+ std::shared_ptr<Gdiplus::GraphicsPath> mpGraphicsPath;
+
+ // all other values the triangulation is based on and
+ // need to be compared with to check for data validity
+ bool mbNoLineJoin;
+ std::vector< double > maStroke;
+
+public:
+ SystemDependentData_GraphicsPath(
+ basegfx::SystemDependentDataManager& rSystemDependentDataManager,
+ std::shared_ptr<Gdiplus::GraphicsPath>& rpGraphicsPath,
+ bool bNoLineJoin,
+ const std::vector< double >* pStroke); // MM01
+
+ // read access
+ std::shared_ptr<Gdiplus::GraphicsPath>& getGraphicsPath() { return mpGraphicsPath; }
+ bool getNoLineJoin() const { return mbNoLineJoin; }
+ const std::vector< double >& getStroke() const { return maStroke; }
+
+ virtual sal_Int64 estimateUsageInBytes() const override;
+};
+
+}
+
+SystemDependentData_GraphicsPath::SystemDependentData_GraphicsPath(
+ basegfx::SystemDependentDataManager& rSystemDependentDataManager,
+ std::shared_ptr<Gdiplus::GraphicsPath>& rpGraphicsPath,
+ bool bNoLineJoin,
+ const std::vector< double >* pStroke)
+: basegfx::SystemDependentData(rSystemDependentDataManager),
+ mpGraphicsPath(rpGraphicsPath),
+ mbNoLineJoin(bNoLineJoin),
+ maStroke()
+{
+ if(nullptr != pStroke)
+ {
+ maStroke = *pStroke;
+ }
+}
+
+sal_Int64 SystemDependentData_GraphicsPath::estimateUsageInBytes() const
+{
+ sal_Int64 nRetval(0);
+
+ if(mpGraphicsPath)
+ {
+ const INT nPointCount(mpGraphicsPath->GetPointCount());
+
+ if(0 != nPointCount)
+ {
+ // Each point has
+ // - 2 x sizeof(Gdiplus::REAL)
+ // - 1 byte (see GetPathTypes in docu)
+ nRetval = nPointCount * ((2 * sizeof(Gdiplus::REAL)) + 1);
+ }
+ }
+
+ return nRetval;
+}
+
+bool WinSalGraphicsImpl::drawPolyPolygon(
+ const basegfx::B2DHomMatrix& rObjectToDevice,
+ const basegfx::B2DPolyPolygon& rPolyPolygon,
+ double fTransparency)
+{
+ const sal_uInt32 nCount(rPolyPolygon.count());
+
+ if(!mbBrush || 0 == nCount || fTransparency < 0.0 || fTransparency > 1.0)
+ {
+ return true;
+ }
+
+ Gdiplus::Graphics aGraphics(mrParent.getHDC());
+ const sal_uInt8 aTrans(sal_uInt8(255) - static_cast<sal_uInt8>(basegfx::fround(fTransparency * 255.0)));
+ const Gdiplus::Color aTestColor(aTrans, maFillColor.GetRed(), maFillColor.GetGreen(), maFillColor.GetBlue());
+ const Gdiplus::SolidBrush aSolidBrush(aTestColor.GetValue());
+
+ // Set full (Object-to-Device) transformation - if used
+ if(rObjectToDevice.isIdentity())
+ {
+ aGraphics.ResetTransform();
+ }
+ else
+ {
+ Gdiplus::Matrix aMatrix;
+
+ aMatrix.SetElements(
+ rObjectToDevice.get(0, 0),
+ rObjectToDevice.get(1, 0),
+ rObjectToDevice.get(0, 1),
+ rObjectToDevice.get(1, 1),
+ rObjectToDevice.get(0, 2),
+ rObjectToDevice.get(1, 2));
+ aGraphics.SetTransform(&aMatrix);
+ }
+
+ // prepare local instance of Gdiplus::GraphicsPath
+ std::shared_ptr<Gdiplus::GraphicsPath> pGraphicsPath;
+
+ // try to access buffered data
+ std::shared_ptr<SystemDependentData_GraphicsPath> pSystemDependentData_GraphicsPath(
+ rPolyPolygon.getSystemDependentData<SystemDependentData_GraphicsPath>());
+
+ if(pSystemDependentData_GraphicsPath)
+ {
+ // copy buffered data
+ pGraphicsPath = pSystemDependentData_GraphicsPath->getGraphicsPath();
+ }
+ else
+ {
+ // Note: In principle we could use the same buffered geometry at line
+ // and fill polygons. Checked that in a first try, used
+ // GraphicsPath::AddPath from Gdiplus combined with below used
+ // StartFigure/CloseFigure, worked well (thus the line-draw version
+ // may create non-closed partial Polygon data).
+ //
+ // But in current reality it gets not used due to e.g.
+ // SdrPathPrimitive2D::create2DDecomposition creating transformed
+ // line and fill polygon-primitives (what could be changed).
+ //
+ // There will probably be more hindrances here in other rendering paths
+ // which could all be found - intention to do this would be: Use more
+ // transformations, less modifications of B2DPolygons/B2DPolyPolygons.
+ //
+ // A fix for SdrPathPrimitive2D would be to create the sub-geometry
+ // and embed into a TransformPrimitive2D containing the transformation.
+ //
+ // A 2nd problem is that the NoLineJoin mode (basegfx::B2DLineJoin::NONE
+ // && !bIsHairline) creates polygon fill infos that are not reusable
+ // for the fill case (see ::drawPolyLine below) - thus we would need a
+ // bool and/or two system-dependent paths buffered - doable, but complicated.
+ //
+ // All in all: Make B2DPolyPolygon a SystemDependentDataProvider and buffer
+ // the whole to-be-filled PolyPolygon independent from evtl. line-polygon
+ // (at least for now...)
+
+ // create data
+ pGraphicsPath = std::make_shared<Gdiplus::GraphicsPath>();
+
+ for(sal_uInt32 a(0); a < nCount; a++)
+ {
+ if(0 != a)
+ {
+ // #i101491# not needed for first run
+ pGraphicsPath->StartFigure();
+ }
+
+ impAddB2DPolygonToGDIPlusGraphicsPathReal(
+ *pGraphicsPath,
+ rPolyPolygon.getB2DPolygon(a),
+ rObjectToDevice, // not used due to the two 'false' values below, but to not forget later
+ false,
+ false);
+
+ pGraphicsPath->CloseFigure();
+ }
+
+ // add to buffering mechanism
+ rPolyPolygon.addOrReplaceSystemDependentData<SystemDependentData_GraphicsPath>(
+ ImplGetSystemDependentDataManager(),
+ pGraphicsPath,
+ false,
+ nullptr);
+ }
+
+ if(mrParent.getAntiAlias())
+ {
+ aGraphics.SetSmoothingMode(Gdiplus::SmoothingModeAntiAlias);
+ }
+ else
+ {
+ aGraphics.SetSmoothingMode(Gdiplus::SmoothingModeNone);
+ }
+
+ if(mrParent.isPrinter())
+ {
+ // #i121591#
+ // Normally GdiPlus should not be used for printing at all since printers cannot
+ // print transparent filled polygon geometry and normally this does not happen
+ // since OutputDevice::RemoveTransparenciesFromMetaFile is used as preparation
+ // and no transparent parts should remain for printing. But this can be overridden
+ // by the user and thus happens. This call can only come (currently) from
+ // OutputDevice::DrawTransparent, see comments there with the same TaskID.
+ // If it is used, the mapping for the printer is wrong and needs to be corrected. I
+ // checked that there is *no* transformation set and estimated that a stable factor
+ // dependent of the printer's DPI is used. Create and set a transformation here to
+ // correct this.
+ const Gdiplus::REAL aDpiX(aGraphics.GetDpiX());
+ const Gdiplus::REAL aDpiY(aGraphics.GetDpiY());
+
+ // Now the transformation maybe/is already used (see above), so do
+ // modify it without resetting to not destroy it.
+ // I double-checked with MS docu that Gdiplus::MatrixOrderAppend does what
+ // we need - in our notation, would be a multiply from left to execute
+ // current transform first and this scale last.
+ // I tried to trigger this code using Print from the menu and various
+ // targets, but got no hit, thus maybe obsolete anyways. If someone knows
+ // more, feel free to remove it.
+ // One more hint: This *may* also be needed now in ::drawPolyLine below
+ // since it also uses transformations now.
+ //
+ // aGraphics.ResetTransform();
+
+ aGraphics.ScaleTransform(
+ Gdiplus::REAL(100.0) / aDpiX,
+ Gdiplus::REAL(100.0) / aDpiY,
+ Gdiplus::MatrixOrderAppend);
+ }
+
+ // use created or buffered data
+ aGraphics.FillPath(
+ &aSolidBrush,
+ &(*pGraphicsPath));
+
+ return true;
+}
+
+bool WinSalGraphicsImpl::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)
+{
+ // MM01 check done for simple reasons
+ if(!mbPen || !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());
+ const bool bIsHairline(fLineWidth == 0);
+
+ // tdf#124848 calculate-back logical LineWidth for a hairline
+ // since this implementation hands over the transformation to
+ // the graphic sub-system
+ if(bIsHairline)
+ {
+ fLineWidth = 1.0;
+
+ if(!bObjectToDeviceIsIdentity)
+ {
+ basegfx::B2DHomMatrix aObjectToDeviceInv(rObjectToDevice);
+ aObjectToDeviceInv.invert();
+ fLineWidth = (aObjectToDeviceInv * basegfx::B2DVector(fLineWidth, 0)).getLength();
+ }
+ }
+
+ Gdiplus::Graphics aGraphics(mrParent.getHDC());
+ const sal_uInt8 aTrans = static_cast<sal_uInt8>(basegfx::fround( 255 * (1.0 - fTransparency) ));
+ const Gdiplus::Color aTestColor(aTrans, maLineColor.GetRed(), maLineColor.GetGreen(), maLineColor.GetBlue());
+ Gdiplus::Pen aPen(aTestColor.GetValue(), Gdiplus::REAL(fLineWidth));
+ bool bNoLineJoin(false);
+
+ // Set full (Object-to-Device) transformation - if used
+ if(bObjectToDeviceIsIdentity)
+ {
+ aGraphics.ResetTransform();
+ }
+ else
+ {
+ Gdiplus::Matrix aMatrix;
+
+ aMatrix.SetElements(
+ rObjectToDevice.get(0, 0),
+ rObjectToDevice.get(1, 0),
+ rObjectToDevice.get(0, 1),
+ rObjectToDevice.get(1, 1),
+ rObjectToDevice.get(0, 2),
+ rObjectToDevice.get(1, 2));
+ aGraphics.SetTransform(&aMatrix);
+ }
+
+ switch(eLineJoin)
+ {
+ case basegfx::B2DLineJoin::NONE :
+ {
+ if(!bIsHairline)
+ {
+ bNoLineJoin = true;
+ }
+ break;
+ }
+ case basegfx::B2DLineJoin::Bevel :
+ {
+ aPen.SetLineJoin(Gdiplus::LineJoinBevel);
+ break;
+ }
+ case basegfx::B2DLineJoin::Miter :
+ {
+ const Gdiplus::REAL aMiterLimit(1.0/sin(fMiterMinimumAngle/2.0));
+
+ aPen.SetMiterLimit(aMiterLimit);
+ // tdf#99165 MS's LineJoinMiter creates non standard conform miter additional
+ // graphics, somewhere clipped in some distance from the edge point, dependent
+ // of MiterLimit. The more default-like option is LineJoinMiterClipped, so use
+ // that instead
+ aPen.SetLineJoin(Gdiplus::LineJoinMiterClipped);
+ break;
+ }
+ case basegfx::B2DLineJoin::Round :
+ {
+ aPen.SetLineJoin(Gdiplus::LineJoinRound);
+ break;
+ }
+ }
+
+ switch(eLineCap)
+ {
+ default: /*css::drawing::LineCap_BUTT*/
+ {
+ // nothing to do
+ break;
+ }
+ case css::drawing::LineCap_ROUND:
+ {
+ aPen.SetStartCap(Gdiplus::LineCapRound);
+ aPen.SetEndCap(Gdiplus::LineCapRound);
+ break;
+ }
+ case css::drawing::LineCap_SQUARE:
+ {
+ aPen.SetStartCap(Gdiplus::LineCapSquare);
+ aPen.SetEndCap(Gdiplus::LineCapSquare);
+ break;
+ }
+ }
+
+ // prepare local instance of Gdiplus::GraphicsPath
+ std::shared_ptr<Gdiplus::GraphicsPath> pGraphicsPath;
+
+ // try to access buffered data
+ std::shared_ptr<SystemDependentData_GraphicsPath> pSystemDependentData_GraphicsPath(
+ rPolygon.getSystemDependentData<SystemDependentData_GraphicsPath>());
+
+ // 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));
+
+ // MM01 decide if to stroke directly
+ static bool bDoDirectGDIPlusStroke(true);
+
+ // activate to stroke directly
+ if(bDoDirectGDIPlusStroke && bStrokeUsed)
+ {
+ // tdf#124848 the fix of tdf#130478 that was needed here before
+ // gets much easier when already handling the hairline case above,
+ // the back-calculated logical linewidth is already here, just use it.
+ // Still be careful - a zero LineWidth *should* not happen, but...
+ std::vector<Gdiplus::REAL> aDashArray(pStroke->size());
+ const double fFactor(fLineWidth == 0 ? 1.0 : 1.0 / fLineWidth);
+
+ // tdf#134128. ODF adds caps to the dashes and dots, but GDI makes caps from the
+ // dash or dot themselves. We tweak aDashArray to look the same in GDI (e.g. Impress edit mode)
+ // and other renders (e.g. Impress slide show), while keeping the total length of the
+ // pattern.
+ // Patterns are always a sequence dash space dash space ...
+ if (eLineCap != css::drawing::LineCap_BUTT)
+ {
+ size_t nSize = pStroke->size();
+ // We want to treat dash and space in pairs. There should be no odd size. If so, we ignore
+ // last item.
+ nSize /= 2;
+ for(size_t a(0); a < nSize; a++)
+ {
+ double fDashLengthRel = (*pStroke)[2 * a] * fFactor;
+ double fSpaceLengthRel = (*pStroke)[2 * a + 1] * fFactor;
+ // GDI allows only positive lengths for space, Skia negative lengths too. Thus the
+ // appearance is different, in case space is too small.
+ double fCorrect = fSpaceLengthRel - 1.0 <= 0 ? fSpaceLengthRel - 0.01 : 1.0;
+ aDashArray[2 * a] = Gdiplus::REAL(fDashLengthRel + fCorrect);
+ aDashArray[2 * a + 1] = Gdiplus::REAL(fSpaceLengthRel - fCorrect);
+ }
+ }
+ else
+ {
+ for(size_t a(0); a < pStroke->size(); a++)
+ {
+ aDashArray[a] = Gdiplus::REAL((*pStroke)[a] * fFactor);
+ }
+ }
+ if (eLineCap == css::drawing::LineCap_ROUND)
+ aPen.SetDashCap(Gdiplus::DashCapRound);
+ else
+ aPen.SetDashCap(Gdiplus::DashCapFlat); // "square" doesn't exist in Gdiplus
+ aPen.SetDashOffset(Gdiplus::REAL(0.0));
+ aPen.SetDashPattern(aDashArray.data(), aDashArray.size());
+ }
+
+ if(!bDoDirectGDIPlusStroke && pSystemDependentData_GraphicsPath)
+ {
+ // 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_GraphicsPath->getStroke().empty());
+
+ if(bStrokeWasUsed != bStrokeUsed
+ || (bStrokeUsed && *pStroke != pSystemDependentData_GraphicsPath->getStroke()))
+ {
+ // data invalid, forget
+ pSystemDependentData_GraphicsPath.reset();
+ }
+ }
+
+ if(pSystemDependentData_GraphicsPath)
+ {
+ // check data validity
+ if (pSystemDependentData_GraphicsPath->getNoLineJoin() != bNoLineJoin
+ || bPixelSnapHairline /*tdf#124700*/)
+ {
+ // data invalid, forget
+ pSystemDependentData_GraphicsPath.reset();
+ }
+ }
+
+ if(pSystemDependentData_GraphicsPath)
+ {
+ // copy buffered data
+ pGraphicsPath = pSystemDependentData_GraphicsPath->getGraphicsPath();
+ }
+ else
+ {
+ // fill data of buffered data
+ pGraphicsPath = std::make_shared<Gdiplus::GraphicsPath>();
+
+ if(!bDoDirectGDIPlusStroke && bStrokeUsed)
+ {
+ // MM01 need to do line dashing as fallback stuff here now
+ basegfx::B2DPolyPolygon aPolyPolygonLine;
+
+ // apply LineStyle
+ basegfx::utils::applyLineDashing(
+ rPolygon, // source
+ *pStroke, // pattern
+ &aPolyPolygonLine, // target for lines
+ nullptr, // target for gaps
+ fDotDashLength); // full length if available
+
+ // MM01 checked/verified, ok
+ for(sal_uInt32 a(0); a < aPolyPolygonLine.count(); a++)
+ {
+ const basegfx::B2DPolygon aPolyLine(aPolyPolygonLine.getB2DPolygon(a));
+ pGraphicsPath->StartFigure();
+ impAddB2DPolygonToGDIPlusGraphicsPathReal(
+ *pGraphicsPath,
+ aPolyLine,
+ rObjectToDevice,
+ bNoLineJoin,
+ bPixelSnapHairline);
+ }
+ }
+ else
+ {
+ // no line dashing or direct stroke, just copy
+ impAddB2DPolygonToGDIPlusGraphicsPathReal(
+ *pGraphicsPath,
+ rPolygon,
+ rObjectToDevice,
+ bNoLineJoin,
+ bPixelSnapHairline);
+
+ if(rPolygon.isClosed() && !bNoLineJoin)
+ {
+ // #i101491# needed to create the correct line joins
+ pGraphicsPath->CloseFigure();
+ }
+ }
+
+ // add to buffering mechanism
+ if (!bPixelSnapHairline /*tdf#124700*/)
+ {
+ rPolygon.addOrReplaceSystemDependentData<SystemDependentData_GraphicsPath>(
+ ImplGetSystemDependentDataManager(),
+ pGraphicsPath,
+ bNoLineJoin,
+ pStroke);
+ }
+ }
+
+ if(mrParent.getAntiAlias())
+ {
+ aGraphics.SetSmoothingMode(Gdiplus::SmoothingModeAntiAlias);
+ }
+ else
+ {
+ aGraphics.SetSmoothingMode(Gdiplus::SmoothingModeNone);
+ }
+
+ if(mrParent.isPrinter())
+ {
+ // tdf#122384 As mentioned above in WinSalGraphicsImpl::drawPolyPolygon
+ // (look for 'One more hint: This *may* also be needed now in'...).
+ // See comments in same spot above *urgently* before doing changes here,
+ // these comments are *still fully valid* at this place (!)
+ const Gdiplus::REAL aDpiX(aGraphics.GetDpiX());
+ const Gdiplus::REAL aDpiY(aGraphics.GetDpiY());
+
+ aGraphics.ScaleTransform(
+ Gdiplus::REAL(100.0) / aDpiX,
+ Gdiplus::REAL(100.0) / aDpiY,
+ Gdiplus::MatrixOrderAppend);
+ }
+
+ aGraphics.DrawPath(
+ &aPen,
+ &(*pGraphicsPath));
+
+ return true;
+}
+
+static void paintToGdiPlus(
+ Gdiplus::Graphics& rGraphics,
+ const SalTwoRect& rTR,
+ Gdiplus::Bitmap& rBitmap)
+{
+ // only parts of source are used
+ Gdiplus::PointF aDestPoints[3];
+ Gdiplus::ImageAttributes aAttributes;
+
+ // define target region as parallelogram
+ aDestPoints[0].X = Gdiplus::REAL(rTR.mnDestX);
+ aDestPoints[0].Y = Gdiplus::REAL(rTR.mnDestY);
+ aDestPoints[1].X = Gdiplus::REAL(rTR.mnDestX + rTR.mnDestWidth);
+ aDestPoints[1].Y = Gdiplus::REAL(rTR.mnDestY);
+ aDestPoints[2].X = Gdiplus::REAL(rTR.mnDestX);
+ aDestPoints[2].Y = Gdiplus::REAL(rTR.mnDestY + rTR.mnDestHeight);
+
+ aAttributes.SetWrapMode(Gdiplus::WrapModeTileFlipXY);
+
+ rGraphics.DrawImage(
+ &rBitmap,
+ aDestPoints,
+ 3,
+ Gdiplus::REAL(rTR.mnSrcX),
+ Gdiplus::REAL(rTR.mnSrcY),
+ Gdiplus::REAL(rTR.mnSrcWidth),
+ Gdiplus::REAL(rTR.mnSrcHeight),
+ Gdiplus::UnitPixel,
+ &aAttributes);
+}
+
+static void setInterpolationMode(
+ Gdiplus::Graphics& rGraphics,
+ tools::Long rSrcWidth,
+ tools::Long rDestWidth,
+ tools::Long rSrcHeight,
+ tools::Long rDestHeight)
+{
+ const bool bSameWidth(rSrcWidth == rDestWidth);
+ const bool bSameHeight(rSrcHeight == rDestHeight);
+
+ if(bSameWidth && bSameHeight)
+ {
+ rGraphics.SetInterpolationMode(Gdiplus::InterpolationModeInvalid);
+ }
+ else if(rDestWidth > rSrcWidth && rDestHeight > rSrcHeight)
+ {
+ rGraphics.SetInterpolationMode(Gdiplus::InterpolationModeDefault);
+ }
+ else if(rDestWidth < rSrcWidth && rDestHeight < rSrcHeight)
+ {
+ rGraphics.SetInterpolationMode(Gdiplus::InterpolationModeBicubic);
+ }
+ else
+ {
+ rGraphics.SetInterpolationMode(Gdiplus::InterpolationModeDefault);
+ }
+}
+
+bool WinSalGraphicsImpl::TryDrawBitmapGDIPlus(const SalTwoRect& rTR, const SalBitmap& rSrcBitmap)
+{
+ if(rTR.mnSrcWidth && rTR.mnSrcHeight && rTR.mnDestWidth && rTR.mnDestHeight)
+ {
+ assert(dynamic_cast<const WinSalBitmap*>(&rSrcBitmap));
+
+ const WinSalBitmap& rSalBitmap = static_cast< const WinSalBitmap& >(rSrcBitmap);
+ std::shared_ptr< Gdiplus::Bitmap > aARGB(rSalBitmap.ImplGetGdiPlusBitmap());
+
+ if(aARGB)
+ {
+ Gdiplus::Graphics aGraphics(mrParent.getHDC());
+
+ setInterpolationMode(
+ aGraphics,
+ rTR.mnSrcWidth,
+ rTR.mnDestWidth,
+ rTR.mnSrcHeight,
+ rTR.mnDestHeight);
+
+ paintToGdiPlus(
+ aGraphics,
+ rTR,
+ *aARGB);
+
+ return true;
+ }
+ }
+
+ return false;
+}
+
+bool WinSalGraphicsImpl::blendBitmap(
+ const SalTwoRect&,
+ const SalBitmap&)
+{
+ return false;
+}
+
+bool WinSalGraphicsImpl::blendAlphaBitmap(
+ const SalTwoRect&,
+ const SalBitmap&,
+ const SalBitmap&,
+ const SalBitmap&)
+{
+ return false;
+}
+
+bool WinSalGraphicsImpl::drawAlphaBitmap(
+ const SalTwoRect& rTR,
+ const SalBitmap& rSrcBitmap,
+ const SalBitmap& rAlphaBmp)
+{
+ if(rTR.mnSrcWidth && rTR.mnSrcHeight && rTR.mnDestWidth && rTR.mnDestHeight)
+ {
+ assert(dynamic_cast<const WinSalBitmap*>(&rSrcBitmap));
+ assert(dynamic_cast<const WinSalBitmap*>(&rAlphaBmp));
+
+ const WinSalBitmap& rSalBitmap = static_cast< const WinSalBitmap& >(rSrcBitmap);
+ const WinSalBitmap& rSalAlpha = static_cast< const WinSalBitmap& >(rAlphaBmp);
+ std::shared_ptr< Gdiplus::Bitmap > aARGB(rSalBitmap.ImplGetGdiPlusBitmap(&rSalAlpha));
+
+ if(aARGB)
+ {
+ Gdiplus::Graphics aGraphics(mrParent.getHDC());
+
+ setInterpolationMode(
+ aGraphics,
+ rTR.mnSrcWidth,
+ rTR.mnDestWidth,
+ rTR.mnSrcHeight,
+ rTR.mnDestHeight);
+
+ paintToGdiPlus(
+ aGraphics,
+ rTR,
+ *aARGB);
+
+ return true;
+ }
+ }
+
+ return false;
+}
+
+bool WinSalGraphicsImpl::drawTransformedBitmap(
+ const basegfx::B2DPoint& rNull,
+ const basegfx::B2DPoint& rX,
+ const basegfx::B2DPoint& rY,
+ const SalBitmap& rSourceBitmap,
+ const SalBitmap* pAlphaBitmap,
+ double fAlpha)
+{
+ assert(dynamic_cast<const WinSalBitmap*>(&rSourceBitmap));
+ assert(!pAlphaBitmap || dynamic_cast<const WinSalBitmap*>(pAlphaBitmap));
+
+ if( fAlpha != 1.0 )
+ return false;
+
+ const WinSalBitmap& rSalBitmap = static_cast< const WinSalBitmap& >(rSourceBitmap);
+ const WinSalBitmap* pSalAlpha = static_cast< const WinSalBitmap* >(pAlphaBitmap);
+ std::shared_ptr< Gdiplus::Bitmap > aARGB(rSalBitmap.ImplGetGdiPlusBitmap(pSalAlpha));
+
+ if(aARGB)
+ {
+ const tools::Long nSrcWidth(aARGB->GetWidth());
+ const tools::Long nSrcHeight(aARGB->GetHeight());
+
+ if(nSrcWidth && nSrcHeight)
+ {
+ const tools::Long nDestWidth(basegfx::fround(basegfx::B2DVector(rX - rNull).getLength()));
+ const tools::Long nDestHeight(basegfx::fround(basegfx::B2DVector(rY - rNull).getLength()));
+
+ if(nDestWidth && nDestHeight)
+ {
+ Gdiplus::Graphics aGraphics(mrParent.getHDC());
+ Gdiplus::PointF aDestPoints[3];
+ Gdiplus::ImageAttributes aAttributes;
+
+ setInterpolationMode(
+ aGraphics,
+ nSrcWidth,
+ nDestWidth,
+ nSrcHeight,
+ nDestHeight);
+
+ // this mode is only capable of drawing the whole bitmap to a parallelogram
+ aDestPoints[0].X = Gdiplus::REAL(rNull.getX());
+ aDestPoints[0].Y = Gdiplus::REAL(rNull.getY());
+ aDestPoints[1].X = Gdiplus::REAL(rX.getX());
+ aDestPoints[1].Y = Gdiplus::REAL(rX.getY());
+ aDestPoints[2].X = Gdiplus::REAL(rY.getX());
+ aDestPoints[2].Y = Gdiplus::REAL(rY.getY());
+
+ aAttributes.SetWrapMode(Gdiplus::WrapModeTileFlipXY);
+
+ aGraphics.DrawImage(
+ aARGB.get(),
+ aDestPoints,
+ 3,
+ Gdiplus::REAL(0.0),
+ Gdiplus::REAL(0.0),
+ Gdiplus::REAL(nSrcWidth),
+ Gdiplus::REAL(nSrcHeight),
+ Gdiplus::UnitPixel,
+ &aAttributes);
+ }
+ }
+
+ return true;
+ }
+
+ return false;
+}
+
+bool WinSalGraphicsImpl::hasFastDrawTransformedBitmap() const
+{
+ return false;
+}
+
+bool WinSalGraphicsImpl::drawGradient(const tools::PolyPolygon& /*rPolygon*/,
+ const Gradient& /*rGradient*/)
+{
+ return false;
+}
+
+bool WinSalGraphicsImpl::implDrawGradient(basegfx::B2DPolyPolygon const & /*rPolyPolygon*/,
+ SalGradient const & /*rGradient*/)
+{
+ return false;
+}
+
+bool WinSalGraphicsImpl::supportsOperation(OutDevSupportType eType) const
+{
+ static bool bAllowForTest(true);
+ bool bRet = false;
+
+ switch (eType)
+ {
+ case OutDevSupportType::TransparentRect:
+ bRet = mrParent.mbVirDev || mrParent.mbWindow;
+ break;
+ case OutDevSupportType::B2DDraw:
+ bRet = bAllowForTest;
+ break;
+ default:
+ break;
+ }
+ return bRet;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-15 02:21:29 +0000