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-rw-r--r--vcl/win/source/gdi/gdiimpl.cxx2365
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diff --git a/vcl/win/source/gdi/gdiimpl.cxx b/vcl/win/source/gdi/gdiimpl.cxx
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+/* -*- 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 "gdiimpl.hxx"
+
+#include <stdio.h>
+#include <string.h>
+#include <svsys.h>
+#include <rtl/strbuf.hxx>
+#include <tools/debug.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 <vcl/salbtype.hxx>
+#include <win/salframe.h>
+#include <basegfx/matrix/b2dhommatrixtools.hxx>
+
+#include "outdata.hxx"
+#include "win/salids.hrc"
+
+#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
+
+#if defined _MSC_VER
+#pragma warning(push, 1)
+#endif
+
+#ifdef __MINGW32__
+#ifdef GetObject
+#undef GetObject
+#endif
+#endif
+
+#include <gdiplus.h>
+#include <gdiplusenums.h>
+#include <gdipluscolor.h>
+
+#if defined _MSC_VER
+#pragma warning(pop)
+#endif
+
+#include <basegfx/polygon/b2dpolygon.hxx>
+
+#define SAL_POLYPOLYCOUNT_STACKBUF 8
+#define SAL_POLYPOLYPOINTS_STACKBUF 64
+
+#define DITHER_PAL_DELTA 51
+#define DITHER_PAL_STEPS 6
+#define DITHER_PAL_COUNT (DITHER_PAL_STEPS*DITHER_PAL_STEPS*DITHER_PAL_STEPS)
+#define DITHER_MAX_SYSCOLOR 16
+#define DITHER_EXTRA_COLORS 1
+#define DMAP( _def_nVal, _def_nThres ) ((pDitherDiff[_def_nVal]>(_def_nThres))?pDitherHigh[_def_nVal]:pDitherLow[_def_nVal])
+
+namespace {
+
+// #100127# draw an array of points which might also contain bezier control points
+void ImplRenderPath( HDC hdc, sal_uLong nPoints, const SalPoint* pPtAry, const BYTE* pFlgAry )
+{
+ if( nPoints )
+ {
+ sal_uInt16 i;
+ // 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, pPtAry->mnX, pPtAry->mnY, NULL );
+ ++pPtAry; ++pFlgAry;
+
+ for( i=1; i<nPoints; ++i, ++pPtAry, ++pFlgAry )
+ {
+ if( *pFlgAry != POLY_CONTROL )
+ {
+ LineTo( hdc, pPtAry->mnX, pPtAry->mnY );
+ }
+ else if( nPoints - i > 2 )
+ {
+ PolyBezierTo( hdc, reinterpret_cast<const POINT*>(pPtAry), 3 );
+ i += 2; pPtAry += 2; pFlgAry += 2;
+ }
+ }
+ }
+}
+
+// #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 SalPoint* const* pPtAry,
+ const BYTE* const* pFlgAry,
+ POINT* pWinPointAry,
+ BYTE* pWinFlagAry )
+{
+ sal_uLong nCurrPoly;
+ for( nCurrPoly=0; nCurrPoly<nPoly; ++nCurrPoly )
+ {
+ const POINT* pCurrPoint = reinterpret_cast<const POINT*>( *pPtAry++ );
+ const BYTE* pCurrFlag = *pFlgAry++;
+ const sal_uInt32 nCurrPoints = *pPoints++;
+ const bool bHaveFlagArray( pCurrFlag );
+ sal_uLong nCurrPoint;
+
+ if( nCurrPoints )
+ {
+ // start figure
+ *pWinPointAry++ = *pCurrPoint++;
+ *pWinFlagAry++ = PT_MOVETO;
+ ++pCurrFlag;
+
+ for( nCurrPoint=1; nCurrPoint<nCurrPoints; )
+ {
+ // #102067# Check existence of flag array
+ if( bHaveFlagArray &&
+ ( nCurrPoint + 2 ) < nCurrPoints )
+ {
+ BYTE P4( pCurrFlag[ 2 ] );
+
+ if( ( POLY_CONTROL == pCurrFlag[ 0 ] ) &&
+ ( POLY_CONTROL == pCurrFlag[ 1 ] ) &&
+ ( POLY_NORMAL == P4 || POLY_SMOOTH == P4 || POLY_SYMMTR == P4 ) )
+ {
+ // control point one
+ *pWinPointAry++ = *pCurrPoint++;
+ *pWinFlagAry++ = PT_BEZIERTO;
+
+ // control point two
+ *pWinPointAry++ = *pCurrPoint++;
+ *pWinFlagAry++ = PT_BEZIERTO;
+
+ // end point
+ *pWinPointAry++ = *pCurrPoint++;
+ *pWinFlagAry++ = PT_BEZIERTO;
+
+ nCurrPoint += 3;
+ pCurrFlag += 3;
+ continue;
+ }
+ }
+
+ // regular line point
+ *pWinPointAry++ = *pCurrPoint++;
+ *pWinFlagAry++ = PT_LINETO;
+ ++pCurrFlag;
+ ++nCurrPoint;
+ }
+
+ // end figure?
+ if( bCloseFigures )
+ pWinFlagAry[-1] |= PT_CLOSEFIGURE;
+ }
+ }
+}
+
+
+static PALETTEENTRY aImplSalSysPalEntryAry[ DITHER_MAX_SYSCOLOR ] =
+{
+{ 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 }
+};
+
+static PALETTEENTRY aImplExtraColor1 =
+{
+ 0, 184, 255, 0
+};
+
+static 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 }
+};
+
+static 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 }
+};
+
+SalColor ImplGetROPSalColor( SalROPColor nROPColor )
+{
+ SalColor nSalColor;
+ if ( nROPColor == SAL_ROP_0 )
+ nSalColor = MAKE_SALCOLOR( 0, 0, 0 );
+ else
+ nSalColor = MAKE_SALCOLOR( 255, 255, 255 );
+ return nSalColor;
+}
+
+int ImplIsPaletteEntry( BYTE nRed, BYTE nGreen, BYTE nBlue )
+{
+ // dither color?
+ if ( !(nRed % DITHER_PAL_DELTA) && !(nGreen % DITHER_PAL_DELTA) && !(nBlue % DITHER_PAL_DELTA) )
+ return TRUE;
+
+ PALETTEENTRY* pPalEntry = aImplSalSysPalEntryAry;
+
+ // standard palette color?
+ for ( sal_uInt16 i = 0; i < DITHER_MAX_SYSCOLOR; i++, pPalEntry++ )
+ {
+ if( pPalEntry->peRed == nRed && pPalEntry->peGreen == nGreen && pPalEntry->peBlue == nBlue )
+ return TRUE;
+ }
+
+ // extra color?
+ if ( aImplExtraColor1.peRed == nRed &&
+ aImplExtraColor1.peGreen == nGreen &&
+ aImplExtraColor1.peBlue == nBlue )
+ {
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+}
+
+WinSalGraphicsImpl::WinSalGraphicsImpl(WinSalGraphics& rParent):
+ mrParent(rParent),
+ mbXORMode(false),
+ mhPen(0),
+ mhBrush(0)
+{
+}
+
+WinSalGraphicsImpl::~WinSalGraphicsImpl()
+{
+ if ( mhPen )
+ {
+ if ( !mbStockPen )
+ DeletePen( mhPen );
+ }
+
+ if ( mhBrush )
+ {
+ if ( !mbStockBrush )
+ DeleteBrush( mhBrush );
+ }
+
+}
+
+void WinSalGraphicsImpl::freeResources()
+{
+}
+
+bool WinSalGraphicsImpl::drawEPS(long, long, long, long, void*, sal_uLong)
+{
+ 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(),
+ (int)rPosAry.mnDestX, (int)rPosAry.mnDestY,
+ (int)rPosAry.mnDestWidth, (int)rPosAry.mnDestHeight,
+ hSrcDC,
+ (int)rPosAry.mnSrcX, (int)rPosAry.mnSrcY,
+ nRop );
+ }
+ else
+ {
+ int nOldStretchMode = SetStretchBltMode( mrParent.getHDC(), STRETCH_DELETESCANS );
+ StretchBlt( mrParent.getHDC(),
+ (int)rPosAry.mnDestX, (int)rPosAry.mnDestY,
+ (int)rPosAry.mnDestWidth, (int)rPosAry.mnDestHeight,
+ hSrcDC,
+ (int)rPosAry.mnSrcX, (int)rPosAry.mnSrcY,
+ (int)rPosAry.mnSrcWidth, (int)rPosAry.mnSrcHeight,
+ nRop );
+ SetStretchBltMode( mrParent.getHDC(), nOldStretchMode );
+ }
+}
+
+void ImplCalcOutSideRgn( const RECT& rSrcRect,
+ int nLeft, int nTop, int nRight, int nBottom,
+ HRGN& rhInvalidateRgn )
+{
+ HRGN hTempRgn;
+
+ // calculate area outside the visible region
+ if ( rSrcRect.left < nLeft )
+ {
+ if ( !rhInvalidateRgn )
+ rhInvalidateRgn = CreateRectRgnIndirect( &rSrcRect );
+ hTempRgn = CreateRectRgn( -31999, 0, nLeft, 31999 );
+ CombineRgn( rhInvalidateRgn, rhInvalidateRgn, hTempRgn, RGN_DIFF );
+ DeleteRegion( hTempRgn );
+ }
+ if ( rSrcRect.top < nTop )
+ {
+ if ( !rhInvalidateRgn )
+ rhInvalidateRgn = CreateRectRgnIndirect( &rSrcRect );
+ hTempRgn = CreateRectRgn( 0, -31999, 31999, nTop );
+ CombineRgn( rhInvalidateRgn, rhInvalidateRgn, hTempRgn, RGN_DIFF );
+ DeleteRegion( hTempRgn );
+ }
+ if ( rSrcRect.right > nRight )
+ {
+ if ( !rhInvalidateRgn )
+ rhInvalidateRgn = CreateRectRgnIndirect( &rSrcRect );
+ hTempRgn = CreateRectRgn( nRight, 0, 31999, 31999 );
+ CombineRgn( rhInvalidateRgn, rhInvalidateRgn, hTempRgn, RGN_DIFF );
+ DeleteRegion( hTempRgn );
+ }
+ if ( rSrcRect.bottom > nBottom )
+ {
+ if ( !rhInvalidateRgn )
+ rhInvalidateRgn = CreateRectRgnIndirect( &rSrcRect );
+ hTempRgn = CreateRectRgn( 0, nBottom, 31999, 31999 );
+ CombineRgn( rhInvalidateRgn, rhInvalidateRgn, hTempRgn, RGN_DIFF );
+ DeleteRegion( hTempRgn );
+ }
+}
+
+void WinSalGraphicsImpl::copyArea( long nDestX, long nDestY,
+ long nSrcX, long nSrcY,
+ long nSrcWidth, long nSrcHeight,
+ sal_uInt16 nFlags )
+{
+ bool bRestoreClipRgn = false;
+ HRGN hOldClipRgn = 0;
+ int nOldClipRgnType = ERROR;
+ HRGN hInvalidateRgn = 0;
+
+ // do we have to invalidate also the overlapping regions?
+ if ( (nFlags & SAL_COPYAREA_WINDOWINVALIDATE) && mrParent.mbWindow )
+ {
+ // 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 = (int)nSrcX;
+ aSrcRect.top = (int)nSrcY;
+ aSrcRect.right = aSrcRect.left+(int)nSrcWidth;
+ aSrcRect.bottom = aSrcRect.top+(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 = 0;
+
+ // compute the parts that are off screen (ie invisible)
+ RECT theScreen;
+ ImplSalGetWorkArea( NULL, &theScreen, NULL ); // 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 = 0;
+ 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, than 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 );
+ // substract 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 = (int)(nDestX-nSrcX);
+ int nOffY = (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
+ // epsecially 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(),
+ (int)nDestX, (int)nDestY,
+ (int)nSrcWidth, (int)nSrcHeight,
+ mrParent.getHDC(),
+ (int)nSrcX, (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();
+ WinSalBitmap* pTmpSalBmp = NULL;
+ bool bPrintDDB = ( bPrinter && hDrawDDB );
+
+ if( bPrintDDB )
+ {
+ pTmpSalBmp = new WinSalBitmap;
+ pTmpSalBmp->Create( rSalBitmap, rSalBitmap.GetBitCount() );
+ hDrawDIB = pTmpSalBmp->ImplGethDIB();
+ }
+ else
+ hDrawDIB = rSalBitmap.ImplGethDIB();
+
+ if( hDrawDIB )
+ {
+ PBITMAPINFO pBI = (PBITMAPINFO) GlobalLock( hDrawDIB );
+ PBITMAPINFOHEADER pBIH = (PBITMAPINFOHEADER) pBI;
+ PBYTE pBits = (PBYTE) pBI + *(DWORD*) pBI +
+ rSalBitmap.ImplGetDIBColorCount( hDrawDIB ) * sizeof( RGBQUAD );
+ const int nOldStretchMode = SetStretchBltMode( hDC, STRETCH_DELETESCANS );
+
+ StretchDIBits( hDC,
+ (int)rPosAry.mnDestX, (int)rPosAry.mnDestY,
+ (int)rPosAry.mnDestWidth, (int)rPosAry.mnDestHeight,
+ (int)rPosAry.mnSrcX, (int)(pBIH->biHeight - rPosAry.mnSrcHeight - rPosAry.mnSrcY),
+ (int)rPosAry.mnSrcWidth, (int)rPosAry.mnSrcHeight,
+ pBits, pBI, DIB_RGB_COLORS, nDrawMode );
+
+ GlobalUnlock( hDrawDIB );
+ SetStretchBltMode( hDC, nOldStretchMode );
+ }
+ else if( hDrawDDB && !bPrintDDB )
+ {
+ HDC hBmpDC = ImplGetCachedDC( CACHED_HDC_DRAW, 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 (const BitmapBuffer* pBitmapBuffer = const_cast<WinSalBitmap&>(rSalBitmap).AcquireBuffer(true))
+ {
+ const BitmapPalette& rPalette = pBitmapBuffer->maPalette;
+ if (rPalette.GetEntryCount() == 2)
+ {
+ SalColor nCol;
+ nCol = ImplColorToSal(rPalette[0]);
+ nTextColor = RGB( SALCOLOR_RED(nCol), SALCOLOR_GREEN(nCol), SALCOLOR_BLUE(nCol) );
+ nCol = ImplColorToSal(rPalette[1]);
+ nBkColor = RGB( SALCOLOR_RED(nCol), SALCOLOR_GREEN(nCol), SALCOLOR_BLUE(nCol) );
+ }
+ }
+ nOldBkColor = SetBkColor( hDC, nBkColor );
+ nOldTextColor = ::SetTextColor( hDC, nTextColor );
+ }
+
+ if ( (rPosAry.mnSrcWidth == rPosAry.mnDestWidth) &&
+ (rPosAry.mnSrcHeight == rPosAry.mnDestHeight) )
+ {
+ BitBlt( hDC,
+ (int)rPosAry.mnDestX, (int)rPosAry.mnDestY,
+ (int)rPosAry.mnDestWidth, (int)rPosAry.mnDestHeight,
+ hBmpDC,
+ (int)rPosAry.mnSrcX, (int)rPosAry.mnSrcY,
+ nDrawMode );
+ }
+ else
+ {
+ const int nOldStretchMode = SetStretchBltMode( hDC, STRETCH_DELETESCANS );
+
+ StretchBlt( hDC,
+ (int)rPosAry.mnDestX, (int)rPosAry.mnDestY,
+ (int)rPosAry.mnDestWidth, (int)rPosAry.mnDestHeight,
+ hBmpDC,
+ (int)rPosAry.mnSrcX, (int)rPosAry.mnSrcY,
+ (int)rPosAry.mnSrcWidth, (int)rPosAry.mnSrcHeight,
+ nDrawMode );
+
+ SetStretchBltMode( hDC, nOldStretchMode );
+ }
+
+ if( bMono )
+ {
+ SetBkColor( hDC, nOldBkColor );
+ ::SetTextColor( hDC, nOldTextColor );
+ }
+
+ ImplReleaseCachedDC( CACHED_HDC_DRAW );
+ }
+
+ if( bPrintDDB )
+ delete pTmpSalBmp;
+ }
+}
+
+}
+
+void WinSalGraphicsImpl::drawBitmap(const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap)
+{
+ bool bTryDirectPaint(!mrParent.mbPrinter && !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
+ ImplDrawBitmap(mrParent.getHDC(), rPosAry, static_cast<const WinSalBitmap&>(rSalBitmap),
+ mrParent.mbPrinter,
+ mbXORMode ? SRCINVERT : SRCCOPY );
+}
+
+void WinSalGraphicsImpl::drawBitmap( const SalTwoRect& rPosAry,
+ const SalBitmap& rSSalBitmap,
+ SalColor nTransparentColor )
+{
+ DBG_ASSERT( !mrParent.mbPrinter, "No transparency print possible!" );
+
+ const WinSalBitmap& rSalBitmap = static_cast<const WinSalBitmap&>(rSSalBitmap);
+
+ WinSalBitmap* pMask = new WinSalBitmap;
+ const Point aPoint;
+ const Size aSize( rSalBitmap.GetSize() );
+ HBITMAP hMaskBitmap = CreateBitmap( (int) aSize.Width(), (int) aSize.Height(), 1, 1, NULL );
+ HDC hMaskDC = ImplGetCachedDC( CACHED_HDC_1, hMaskBitmap );
+ const BYTE cRed = SALCOLOR_RED( nTransparentColor );
+ const BYTE cGreen = SALCOLOR_GREEN( nTransparentColor );
+ const BYTE cBlue = SALCOLOR_BLUE( nTransparentColor );
+
+ if( rSalBitmap.ImplGethDDB() )
+ {
+ HDC hSrcDC = ImplGetCachedDC( CACHED_HDC_2, rSalBitmap.ImplGethDDB() );
+ COLORREF aOldCol = SetBkColor( hSrcDC, RGB( cRed, cGreen, cBlue ) );
+
+ BitBlt( hMaskDC, 0, 0, (int) aSize.Width(), (int) aSize.Height(), hSrcDC, 0, 0, SRCCOPY );
+
+ SetBkColor( hSrcDC, aOldCol );
+ ImplReleaseCachedDC( CACHED_HDC_2 );
+ }
+ else
+ {
+ WinSalBitmap* pTmpSalBmp = new WinSalBitmap;
+
+ if( pTmpSalBmp->Create( rSalBitmap, &mrParent ) )
+ {
+ HDC hSrcDC = ImplGetCachedDC( CACHED_HDC_2, pTmpSalBmp->ImplGethDDB() );
+ COLORREF aOldCol = SetBkColor( hSrcDC, RGB( cRed, cGreen, cBlue ) );
+
+ BitBlt( hMaskDC, 0, 0, (int) aSize.Width(), (int) aSize.Height(), hSrcDC, 0, 0, SRCCOPY );
+
+ SetBkColor( hSrcDC, aOldCol );
+ ImplReleaseCachedDC( CACHED_HDC_2 );
+ }
+
+ delete pTmpSalBmp;
+ }
+
+ ImplReleaseCachedDC( CACHED_HDC_1 );
+
+ // hMaskBitmap is destroyed by new SalBitmap 'pMask' ( bDIB==FALSE, bCopy == FALSE )
+ if( pMask->Create( hMaskBitmap, FALSE, FALSE ) )
+ drawBitmap( rPosAry, rSalBitmap, *pMask );
+
+ delete pMask;
+}
+
+void WinSalGraphicsImpl::drawBitmap( const SalTwoRect& rPosAry,
+ const SalBitmap& rSSalBitmap,
+ const SalBitmap& rSTransparentBitmap )
+{
+ DBG_ASSERT( !mrParent.mbPrinter, "No transparency print possible!" );
+ bool bTryDirectPaint(!mrParent.mbPrinter && !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 && drawAlphaBitmap(rPosAry, rSSalBitmap, rSTransparentBitmap))
+ {
+ return;
+ }
+
+ const WinSalBitmap& rSalBitmap = static_cast<const WinSalBitmap&>(rSSalBitmap);
+ const WinSalBitmap& rTransparentBitmap = static_cast<const WinSalBitmap&>(rSTransparentBitmap);
+
+ SalTwoRect aPosAry = rPosAry;
+ int nDstX = (int)aPosAry.mnDestX;
+ int nDstY = (int)aPosAry.mnDestY;
+ int nDstWidth = (int)aPosAry.mnDestWidth;
+ int nDstHeight = (int)aPosAry.mnDestHeight;
+ HDC hDC = mrParent.getHDC();
+ HBITMAP hMemBitmap = 0;
+ HBITMAP hMaskBitmap = 0;
+
+ if( ( nDstWidth > CACHED_HDC_DEFEXT ) || ( nDstHeight > CACHED_HDC_DEFEXT ) )
+ {
+ hMemBitmap = CreateCompatibleBitmap( hDC, nDstWidth, nDstHeight );
+ hMaskBitmap = CreateCompatibleBitmap( hDC, nDstWidth, nDstHeight );
+ }
+
+ HDC hMemDC = ImplGetCachedDC( CACHED_HDC_1, hMemBitmap );
+ HDC hMaskDC = ImplGetCachedDC( CACHED_HDC_2, hMaskBitmap );
+
+ aPosAry.mnDestX = aPosAry.mnDestY = 0;
+ BitBlt( hMemDC, 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, aPosAry, aTmp, FALSE, SRCCOPY );
+ }
+ else
+ ImplDrawBitmap( hMaskDC, aPosAry, rTransparentBitmap, FALSE, SRCCOPY );
+
+ // now MemDC contains background, MaskDC the transparency mask
+
+ // #105055# Respect XOR mode
+ if( mbXORMode )
+ {
+ ImplDrawBitmap( hMaskDC, aPosAry, rSalBitmap, FALSE, SRCERASE );
+ // now MaskDC contains the bitmap area with black background
+ BitBlt( hMemDC, 0, 0, nDstWidth, nDstHeight, hMaskDC, 0, 0, SRCINVERT );
+ // now MemDC contains background XORed bitmap area ontop
+ }
+ else
+ {
+ BitBlt( hMemDC, 0, 0, nDstWidth, nDstHeight, hMaskDC, 0, 0, SRCAND );
+ // now MemDC contains background with masked-out bitmap area
+ ImplDrawBitmap( hMaskDC, aPosAry, rSalBitmap, FALSE, SRCERASE );
+ // now MaskDC contains the bitmap area with black background
+ BitBlt( hMemDC, 0, 0, nDstWidth, nDstHeight, hMaskDC, 0, 0, SRCPAINT );
+ // now MemDC contains background and bitmap merged together
+ }
+ // copy to output DC
+ BitBlt( hDC, nDstX, nDstY, nDstWidth, nDstHeight, hMemDC, 0, 0, SRCCOPY );
+
+ ImplReleaseCachedDC( CACHED_HDC_1 );
+ ImplReleaseCachedDC( CACHED_HDC_2 );
+
+ // hMemBitmap != 0 ==> hMaskBitmap != 0
+ if( hMemBitmap )
+ {
+ DeleteObject( hMemBitmap );
+ DeleteObject( hMaskBitmap );
+ }
+}
+
+bool WinSalGraphicsImpl::drawAlphaRect( long nX, long nY, long nWidth,
+ long nHeight, sal_uInt8 nTransparency )
+{
+ if( mbPen || !mbBrush || mbXORMode )
+ return false; // can only perform solid fills without XOR.
+
+ HDC hMemDC = ImplGetCachedDC( CACHED_HDC_1, 0 );
+ SetPixel( hMemDC, (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 = AlphaBlend( mrParent.getHDC(), nX, nY, nWidth, nHeight,
+ hMemDC, 0,0,1,1,
+ aFunc ) == TRUE;
+
+ ImplReleaseCachedDC( CACHED_HDC_1 );
+
+ return bRet;
+}
+
+void WinSalGraphicsImpl::drawMask( const SalTwoRect& rPosAry,
+ const SalBitmap& rSSalBitmap,
+ SalColor nMaskColor )
+{
+ DBG_ASSERT( !mrParent.mbPrinter, "No transparency print possible!" );
+
+ const WinSalBitmap& rSalBitmap = static_cast<const WinSalBitmap&>(rSSalBitmap);
+
+ SalTwoRect aPosAry = rPosAry;
+ const BYTE cRed = SALCOLOR_RED( nMaskColor );
+ const BYTE cGreen = SALCOLOR_GREEN( nMaskColor );
+ const BYTE cBlue = SALCOLOR_BLUE( nMaskColor );
+ HDC hDC = mrParent.getHDC();
+ HBRUSH hMaskBrush = CreateSolidBrush( RGB( cRed, cGreen, cBlue ) );
+ HBRUSH hOldBrush = SelectBrush( hDC, hMaskBrush );
+
+ // 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 );
+
+ SelectBrush( hDC, hOldBrush );
+ DeleteBrush( hMaskBrush );
+}
+
+SalBitmap* WinSalGraphicsImpl::getBitmap( long nX, long nY, long nDX, long nDY )
+{
+ DBG_ASSERT( !mrParent.mbPrinter, "No ::GetBitmap() from printer possible!" );
+
+ WinSalBitmap* pSalBitmap = NULL;
+
+ nDX = labs( nDX );
+ nDY = labs( nDY );
+
+ HDC hDC = mrParent.getHDC();
+ HBITMAP hBmpBitmap = CreateCompatibleBitmap( hDC, nDX, nDY );
+ HDC hBmpDC = ImplGetCachedDC( CACHED_HDC_1, hBmpBitmap );
+ bool bRet;
+
+ bRet = BitBlt( hBmpDC, 0, 0, (int) nDX, (int) nDY, hDC, (int) nX, (int) nY, SRCCOPY ) ? TRUE : FALSE;
+ ImplReleaseCachedDC( CACHED_HDC_1 );
+
+ if( bRet )
+ {
+ pSalBitmap = new WinSalBitmap;
+
+ if( !pSalBitmap->Create( hBmpBitmap, FALSE, FALSE ) )
+ {
+ delete pSalBitmap;
+ pSalBitmap = NULL;
+ }
+ }
+ else
+ {
+ // #124826# avoid resource leak ! happens when runing without desktop access (remote desktop, service, may be screensavers)
+ DeleteBitmap( hBmpBitmap );
+ }
+
+ return pSalBitmap;
+}
+
+SalColor WinSalGraphicsImpl::getPixel( long nX, long nY )
+{
+ COLORREF aWinCol = ::GetPixel( mrParent.getHDC(), (int) nX, (int) nY );
+
+ if ( CLR_INVALID == aWinCol )
+ return MAKE_SALCOLOR( 0, 0, 0 );
+ else
+ return MAKE_SALCOLOR( GetRValue( aWinCol ),
+ GetGValue( aWinCol ),
+ GetBValue( aWinCol ) );
+}
+
+void WinSalGraphicsImpl::invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags )
+{
+ if ( nFlags & SAL_INVERT_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 );
+
+ WIN_Rectangle( mrParent.getHDC(), (int)nX, (int)nY, (int)(nX+nWidth), (int)(nY+nHeight) );
+
+ SetROP2( mrParent.getHDC(), nOldROP );
+ SelectPen( mrParent.getHDC(), hOldPen );
+ SelectBrush( mrParent.getHDC(), hOldBrush );
+ DeletePen( hDotPen );
+ }
+ else if ( nFlags & SAL_INVERT_50 )
+ {
+ SalData* pSalData = GetSalData();
+ if ( !pSalData->mh50Brush )
+ {
+ if ( !pSalData->mh50Bmp )
+ pSalData->mh50Bmp = ImplLoadSalBitmap( SAL_RESID_BITMAP_50 );
+ pSalData->mh50Brush = CreatePatternBrush( pSalData->mh50Bmp );
+ }
+
+ COLORREF nOldTextColor = ::SetTextColor( mrParent.getHDC(), 0 );
+ HBRUSH hOldBrush = SelectBrush( mrParent.getHDC(), pSalData->mh50Brush );
+ PatBlt( mrParent.getHDC(), nX, nY, nWidth, nHeight, PATINVERT );
+ ::SetTextColor( mrParent.getHDC(), nOldTextColor );
+ SelectBrush( mrParent.getHDC(), hOldBrush );
+ }
+ else
+ {
+ RECT aRect;
+ aRect.left = (int)nX;
+ aRect.top = (int)nY;
+ aRect.right = (int)nX+nWidth;
+ aRect.bottom = (int)nY+nHeight;
+ ::InvertRect( mrParent.getHDC(), &aRect );
+ }
+}
+
+void WinSalGraphicsImpl::invert( sal_uInt32 nPoints, const SalPoint* pPtAry, SalInvert nSalFlags )
+{
+ HPEN hPen;
+ HPEN hOldPen;
+ HBRUSH hBrush;
+ HBRUSH hOldBrush = 0;
+ COLORREF nOldTextColor RGB(0,0,0);
+ int nOldROP = SetROP2( mrParent.getHDC(), R2_NOT );
+
+ if ( nSalFlags & SAL_INVERT_TRACKFRAME )
+ hPen = CreatePen( PS_DOT, 0, 0 );
+ else
+ {
+
+ if ( nSalFlags & SAL_INVERT_50 )
+ {
+ SalData* pSalData = GetSalData();
+ if ( !pSalData->mh50Brush )
+ {
+ if ( !pSalData->mh50Bmp )
+ pSalData->mh50Bmp = ImplLoadSalBitmap( SAL_RESID_BITMAP_50 );
+ pSalData->mh50Brush = CreatePatternBrush( pSalData->mh50Bmp );
+ }
+
+ hBrush = pSalData->mh50Brush;
+ }
+ else
+ hBrush = GetStockBrush( BLACK_BRUSH );
+
+ hPen = GetStockPen( NULL_PEN );
+ nOldTextColor = ::SetTextColor( mrParent.getHDC(), 0 );
+ hOldBrush = SelectBrush( mrParent.getHDC(), hBrush );
+ }
+ hOldPen = SelectPen( mrParent.getHDC(), hPen );
+
+ POINT* pWinPtAry;
+ // for NT, we can handover the array directly
+ DBG_ASSERT( sizeof( POINT ) == sizeof( SalPoint ),
+ "WinSalGraphicsImpl::DrawPolyLine(): POINT != SalPoint" );
+
+ pWinPtAry = (POINT*)pPtAry;
+ // for Windows 95 and its maximum number of points
+ if ( nSalFlags & SAL_INVERT_TRACKFRAME )
+ {
+ if ( !Polyline( mrParent.getHDC(), pWinPtAry, (int)nPoints ) && (nPoints > MAX_64KSALPOINTS) )
+ Polyline( mrParent.getHDC(), pWinPtAry, MAX_64KSALPOINTS );
+ }
+ else
+ {
+ if ( !WIN_Polygon( mrParent.getHDC(), pWinPtAry, (int)nPoints ) && (nPoints > MAX_64KSALPOINTS) )
+ WIN_Polygon( mrParent.getHDC(), pWinPtAry, MAX_64KSALPOINTS );
+ }
+
+ SetROP2( mrParent.getHDC(), nOldROP );
+ SelectPen( mrParent.getHDC(), hOldPen );
+
+ if ( nSalFlags & SAL_INVERT_TRACKFRAME )
+ DeletePen( hPen );
+ else
+ {
+ ::SetTextColor( mrParent.getHDC(), nOldTextColor );
+ SelectBrush( mrParent.getHDC(), hOldBrush );
+ }
+}
+
+sal_uInt16 WinSalGraphicsImpl::GetBitCount() const
+{
+ return (sal_uInt16)GetDeviceCaps( mrParent.getHDC(), BITSPIXEL );
+}
+
+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 = 0;
+ }
+
+ SelectClipRgn( mrParent.getHDC(), 0 );
+}
+
+bool WinSalGraphicsImpl::setClipRegion( const vcl::Region& i_rClip )
+{
+ if ( mrParent.mhRegion )
+ {
+ DeleteRegion( mrParent.mhRegion );
+ mrParent.mhRegion = 0;
+ }
+
+ 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(basegfx::tools::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;
+ 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::B2DHomMatrix(basegfx::tools::createSourceRangeTargetRangeTransform(aRangeS, aRangeT));
+ }
+
+ for(sal_uInt32 a(0); a < nCount; a++)
+ {
+ const basegfx::B2DPolygon aPoly(
+ basegfx::tools::adaptiveSubdivideByDistance(
+ aPolyPolygon.getB2DPolygon(a),
+ 1));
+ const sal_uInt32 nPoints(aPoly.count());
+ aPolyCounts[a] = nPoints;
+
+ 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 );
+ }
+ }
+
+ mrParent.mhRegion = CreatePolyPolygonRgn( &aPolyPoints[0], &aPolyCounts[0], nCount, 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 = (RGNDATA*)new BYTE[sizeof(RGNDATA)-1+(SAL_CLIPRECT_COUNT*sizeof(RECT))];
+ mrParent.mpClipRgnData = mrParent.mpStdClipRgnData;
+ }
+ else
+ mrParent.mpClipRgnData = (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 = (RECT*)(&(mrParent.mpClipRgnData->Buffer));
+ bool bFirstClipRect = true;
+
+ for(RectangleVector::const_iterator aRectIter(aRectangles.begin()); aRectIter != aRectangles.end(); ++aRectIter)
+ {
+ const long nW(aRectIter->GetWidth());
+ const long nH(aRectIter->GetHeight());
+
+ if(nW && nH)
+ {
+ const long nRight(aRectIter->Left() + nW);
+ const long nBottom(aRectIter->Top() + nH);
+
+ if(bFirstClipRect)
+ {
+ pBoundRect->left = aRectIter->Left();
+ pBoundRect->top = aRectIter->Top();
+ pBoundRect->right = nRight;
+ pBoundRect->bottom = nBottom;
+ bFirstClipRect = false;
+ }
+ else
+ {
+ if(aRectIter->Left() < pBoundRect->left)
+ {
+ pBoundRect->left = (int)aRectIter->Left();
+ }
+
+ if(aRectIter->Top() < pBoundRect->top)
+ {
+ pBoundRect->top = (int)aRectIter->Top();
+ }
+
+ if(nRight > pBoundRect->right)
+ {
+ pBoundRect->right = (int)nRight;
+ }
+
+ if(nBottom > pBoundRect->bottom)
+ {
+ pBoundRect->bottom = (int)nBottom;
+ }
+ }
+
+ pNextClipRect->left = (int)aRectIter->Left();
+ pNextClipRect->top = (int)aRectIter->Top();
+ pNextClipRect->right = (int)nRight;
+ pNextClipRect->bottom = (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( NULL, nSize, mrParent.mpClipRgnData );
+
+ // if ExtCreateRegion(...) is not supported
+ if( !mrParent.mhRegion )
+ {
+ RGNDATAHEADER* pHeader = (RGNDATAHEADER*) mrParent.mpClipRgnData;
+
+ if( pHeader->nCount )
+ {
+ RECT* pRect = (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++ )
+ {
+ HRGN hRgn = CreateRectRgn( pRect->left, pRect->top, pRect->right, pRect->bottom );
+ CombineRgn( mrParent.mhRegion, mrParent.mhRegion, hRgn, RGN_OR );
+ DeleteRegion( hRgn );
+ }
+ }
+ }
+
+ if ( mrParent.mpClipRgnData != mrParent.mpStdClipRgnData )
+ delete [] mrParent.mpClipRgnData;
+ }
+ }
+
+ if( mrParent.mhRegion )
+ {
+ SelectClipRgn( mrParent.getHDC(), mrParent.mhRegion );
+
+ // debug code if you weant 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(), 0 );
+ }
+
+ // #i123585# retval no longer dependent of mrParent.mhRegion, see TaskId comments above
+ return true;
+}
+
+void WinSalGraphicsImpl::SetLineColor()
+{
+ // create and select new pen
+ HPEN hNewPen = GetStockPen( NULL_PEN );
+ HPEN hOldPen = SelectPen( mrParent.getHDC(), hNewPen );
+
+ // destroy or save old pen
+ if ( mhPen )
+ {
+ if ( !mbStockPen )
+ DeletePen( mhPen );
+ }
+ else
+ mrParent.mhDefPen = hOldPen;
+
+ // set new data
+ mhPen = hNewPen;
+ mbPen = FALSE;
+ mbStockPen = TRUE;
+}
+
+void WinSalGraphicsImpl::SetLineColor( SalColor nSalColor )
+{
+ maLineColor = nSalColor;
+ COLORREF nPenColor = PALETTERGB( SALCOLOR_RED( nSalColor ),
+ SALCOLOR_GREEN( nSalColor ),
+ SALCOLOR_BLUE( nSalColor ) );
+ HPEN hNewPen = 0;
+ bool bStockPen = FALSE;
+
+ // search for stock pen (only screen, because printer have problems,
+ // when we use stock objects)
+ if ( !mrParent.mbPrinter )
+ {
+ SalData* pSalData = GetSalData();
+ for ( sal_uInt16 i = 0; i < pSalData->mnStockPenCount; i++ )
+ {
+ if ( nPenColor == pSalData->maStockPenColorAry[i] )
+ {
+ hNewPen = pSalData->mhStockPenAry[i];
+ bStockPen = TRUE;
+ break;
+ }
+ }
+ }
+
+ // create new pen
+ if ( !hNewPen )
+ {
+ if ( !mrParent.mbPrinter )
+ {
+ if ( GetSalData()->mhDitherPal && ImplIsSysColorEntry( nSalColor ) )
+ nPenColor = PALRGB_TO_RGB( nPenColor );
+ }
+
+ hNewPen = CreatePen( PS_SOLID, mrParent.mnPenWidth, nPenColor );
+ bStockPen = FALSE;
+ }
+
+ // select new pen
+ HPEN hOldPen = SelectPen( mrParent.getHDC(), hNewPen );
+
+ // destroy or save old pen
+ if ( mhPen )
+ {
+ if ( !mbStockPen )
+ DeletePen( mhPen );
+ }
+ else
+ mrParent.mhDefPen = hOldPen;
+
+ // set new data
+ mnPenColor = nPenColor;
+ mhPen = hNewPen;
+ mbPen = TRUE;
+ mbStockPen = bStockPen;
+}
+
+void WinSalGraphicsImpl::SetFillColor()
+{
+ // create and select new brush
+ HBRUSH hNewBrush = GetStockBrush( NULL_BRUSH );
+ HBRUSH hOldBrush = SelectBrush( mrParent.getHDC(), hNewBrush );
+
+ // destroy or save old brush
+ if ( mhBrush )
+ {
+ if ( !mbStockBrush )
+ DeleteBrush( mhBrush );
+ }
+ else
+ mrParent.mhDefBrush = hOldBrush;
+
+ // set new data
+ mhBrush = hNewBrush;
+ mbBrush = FALSE;
+ mbStockBrush = TRUE;
+}
+
+void WinSalGraphicsImpl::SetFillColor( SalColor nSalColor )
+{
+ maFillColor = nSalColor;
+ SalData* pSalData = GetSalData();
+ BYTE nRed = SALCOLOR_RED( nSalColor );
+ BYTE nGreen = SALCOLOR_GREEN( nSalColor );
+ BYTE nBlue = SALCOLOR_BLUE( nSalColor );
+ COLORREF nBrushColor = PALETTERGB( nRed, nGreen, nBlue );
+ HBRUSH hNewBrush = 0;
+ bool bStockBrush = FALSE;
+
+ // search for stock brush (only screen, because printer have problems,
+ // when we use stock objects)
+ if ( !mrParent.mbPrinter )
+ {
+ for ( sal_uInt16 i = 0; i < pSalData->mnStockBrushCount; i++ )
+ {
+ if ( nBrushColor == pSalData->maStockBrushColorAry[ i ] )
+ {
+ hNewBrush = pSalData->mhStockBrushAry[i];
+ bStockBrush = TRUE;
+ break;
+ }
+ }
+ }
+
+ // create new brush
+ if ( !hNewBrush )
+ {
+ if ( mrParent.mbPrinter || !pSalData->mhDitherDIB )
+ hNewBrush = CreateSolidBrush( nBrushColor );
+ else
+ {
+ if ( 24 == ((BITMAPINFOHEADER*)pSalData->mpDitherDIB)->biBitCount )
+ {
+ BYTE* pTmp = pSalData->mpDitherDIBData;
+ long* pDitherDiff = pSalData->mpDitherDiff;
+ BYTE* pDitherLow = pSalData->mpDitherLow;
+ BYTE* pDitherHigh = pSalData->mpDitherHigh;
+
+ for( long nY = 0L; nY < 8L; nY++ )
+ {
+ for( long nX = 0L; nX < 8L; nX++ )
+ {
+ const long nThres = aOrdDither16Bit[ nY ][ nX ];
+ *pTmp++ = DMAP( nBlue, nThres );
+ *pTmp++ = DMAP( nGreen, nThres );
+ *pTmp++ = DMAP( nRed, nThres );
+ }
+ }
+
+ hNewBrush = CreateDIBPatternBrush( pSalData->mhDitherDIB, DIB_RGB_COLORS );
+ }
+ else if ( ImplIsSysColorEntry( nSalColor ) )
+ {
+ nBrushColor = PALRGB_TO_RGB( nBrushColor );
+ hNewBrush = CreateSolidBrush( nBrushColor );
+ }
+ else if ( ImplIsPaletteEntry( nRed, nGreen, nBlue ) )
+ hNewBrush = CreateSolidBrush( nBrushColor );
+ else
+ {
+ BYTE* pTmp = pSalData->mpDitherDIBData;
+ long* pDitherDiff = pSalData->mpDitherDiff;
+ BYTE* pDitherLow = pSalData->mpDitherLow;
+ BYTE* pDitherHigh = pSalData->mpDitherHigh;
+
+ for ( long nY = 0L; nY < 8L; nY++ )
+ {
+ for ( long nX = 0L; nX < 8L; nX++ )
+ {
+ const long nThres = aOrdDither8Bit[ nY ][ nX ];
+ *pTmp = DMAP( nRed, nThres ) + DMAP( nGreen, nThres ) * 6 + DMAP( nBlue, nThres ) * 36;
+ pTmp++;
+ }
+ }
+
+ hNewBrush = CreateDIBPatternBrush( pSalData->mhDitherDIB, DIB_PAL_COLORS );
+ }
+ }
+
+ bStockBrush = FALSE;
+ }
+
+ // select new brush
+ HBRUSH hOldBrush = SelectBrush( mrParent.getHDC(), hNewBrush );
+
+ // destroy or save old brush
+ if ( mhBrush )
+ {
+ if ( !mbStockBrush )
+ DeleteBrush( mhBrush );
+ }
+ else
+ mrParent.mhDefBrush = hOldBrush;
+
+ // set new data
+ mnBrushColor = nBrushColor;
+ mhBrush = hNewBrush;
+ mbBrush = TRUE;
+ mbStockBrush = bStockBrush;
+}
+
+void WinSalGraphicsImpl::SetXORMode( bool bSet, bool )
+{
+ mbXORMode = bSet;
+ ::SetROP2( mrParent.getHDC(), bSet ? R2_XORPEN : R2_COPYPEN );
+}
+
+void WinSalGraphicsImpl::SetROPLineColor( SalROPColor nROPColor )
+{
+ SetLineColor( ImplGetROPSalColor( nROPColor ) );
+}
+
+void WinSalGraphicsImpl::SetROPFillColor( SalROPColor nROPColor )
+{
+ SetFillColor( ImplGetROPSalColor( nROPColor ) );
+}
+
+void WinSalGraphicsImpl::drawPixel( long nX, long nY )
+{
+ if ( mbXORMode )
+ {
+ HBRUSH hBrush = CreateSolidBrush( mnPenColor );
+ HBRUSH hOldBrush = SelectBrush( mrParent.getHDC(), hBrush );
+ PatBlt( mrParent.getHDC(), (int)nX, (int)nY, (int)1, (int)1, PATINVERT );
+ SelectBrush( mrParent.getHDC(), hOldBrush );
+ DeleteBrush( hBrush );
+ }
+ else
+ SetPixel( mrParent.getHDC(), (int)nX, (int)nY, mnPenColor );
+}
+
+void WinSalGraphicsImpl::drawPixel( long nX, long nY, SalColor nSalColor )
+{
+ COLORREF nCol = PALETTERGB( SALCOLOR_RED( nSalColor ),
+ SALCOLOR_GREEN( nSalColor ),
+ SALCOLOR_BLUE( nSalColor ) );
+
+ if ( !mrParent.mbPrinter &&
+ GetSalData()->mhDitherPal &&
+ ImplIsSysColorEntry( nSalColor ) )
+ nCol = PALRGB_TO_RGB( nCol );
+
+ if ( mbXORMode )
+ {
+ HBRUSH hBrush = CreateSolidBrush( nCol );
+ HBRUSH hOldBrush = SelectBrush( mrParent.getHDC(), hBrush );
+ PatBlt( mrParent.getHDC(), (int)nX, (int)nY, (int)1, (int)1, PATINVERT );
+ SelectBrush( mrParent.getHDC(), hOldBrush );
+ DeleteBrush( hBrush );
+ }
+ else
+ ::SetPixel( mrParent.getHDC(), (int)nX, (int)nY, nCol );
+}
+
+void WinSalGraphicsImpl::drawLine( long nX1, long nY1, long nX2, long nY2 )
+{
+ MoveToEx( mrParent.getHDC(), (int)nX1, (int)nY1, NULL );
+
+ // we must paint the endpoint
+ int bPaintEnd = TRUE;
+ if ( nX1 == nX2 )
+ {
+ bPaintEnd = FALSE;
+ if ( nY1 <= nY2 )
+ nY2++;
+ else
+ nY2--;
+ }
+ if ( nY1 == nY2 )
+ {
+ bPaintEnd = FALSE;
+ if ( nX1 <= nX2 )
+ nX2++;
+ else
+ nX2--;
+ }
+
+ LineTo( mrParent.getHDC(), (int)nX2, (int)nY2 );
+
+ if ( bPaintEnd && !mrParent.mbPrinter )
+ {
+ if ( mbXORMode )
+ {
+ HBRUSH hBrush = CreateSolidBrush( mnPenColor );
+ HBRUSH hOldBrush = SelectBrush( mrParent.getHDC(), hBrush );
+ PatBlt( mrParent.getHDC(), (int)nX2, (int)nY2, (int)1, (int)1, PATINVERT );
+ SelectBrush( mrParent.getHDC(), hOldBrush );
+ DeleteBrush( hBrush );
+ }
+ else
+ SetPixel( mrParent.getHDC(), (int)nX2, (int)nY2, mnPenColor );
+ }
+}
+
+void WinSalGraphicsImpl::drawRect( long nX, long nY, long nWidth, long nHeight )
+{
+ if ( !mbPen )
+ {
+ if ( !mrParent.mbPrinter )
+ {
+ PatBlt( mrParent.getHDC(), (int)nX, (int)nY, (int)nWidth, (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
+ WIN_Rectangle( mrParent.getHDC(), (int)nX, (int)nY, (int)(nX+nWidth), (int)(nY+nHeight) );
+}
+
+void WinSalGraphicsImpl::drawPolyLine( sal_uInt32 nPoints, const SalPoint* pPtAry )
+{
+ // for NT, we can handover the array directly
+ DBG_ASSERT( sizeof( POINT ) == sizeof( SalPoint ),
+ "WinSalGraphicsImpl::DrawPolyLine(): POINT != SalPoint" );
+
+ POINT* pWinPtAry = (POINT*)pPtAry;
+
+ // we assume there are at least 2 points (Polyline requres at least 2 point, see MSDN)
+ // we must paint the endpoint for last line
+ BOOL bPaintEnd = TRUE;
+ if ( pWinPtAry[nPoints-2].x == pWinPtAry[nPoints-1].x )
+ {
+ bPaintEnd = FALSE;
+ if ( pWinPtAry[nPoints-2].y <= pWinPtAry[nPoints-1].y )
+ pWinPtAry[nPoints-1].y++;
+ else
+ pWinPtAry[nPoints-1].y--;
+ }
+ if ( pWinPtAry[nPoints-2].y == pWinPtAry[nPoints-1].y )
+ {
+ bPaintEnd = FALSE;
+ if ( pWinPtAry[nPoints-2].x <= pWinPtAry[nPoints-1].x )
+ pWinPtAry[nPoints-1].x++;
+ else
+ pWinPtAry[nPoints-1].x--;
+ }
+
+ // for Windows 95 and its maximum number of points
+ if ( !Polyline( mrParent.getHDC(), pWinPtAry, (int)nPoints ) && (nPoints > MAX_64KSALPOINTS) )
+ Polyline( mrParent.getHDC(), pWinPtAry, MAX_64KSALPOINTS );
+
+ if ( bPaintEnd && !mrParent.mbPrinter )
+ {
+ if ( mbXORMode )
+ {
+ HBRUSH hBrush = CreateSolidBrush( mnPenColor );
+ HBRUSH hOldBrush = SelectBrush( mrParent.getHDC(), hBrush );
+ PatBlt( mrParent.getHDC(), (int)(pWinPtAry[nPoints-1].x), (int)(pWinPtAry[nPoints-1].y), (int)1, (int)1, PATINVERT );
+ SelectBrush( mrParent.getHDC(), hOldBrush );
+ DeleteBrush( hBrush );
+ }
+ else
+ SetPixel( mrParent.getHDC(), (int)(pWinPtAry[nPoints-1].x), (int)(pWinPtAry[nPoints-1].y), mnPenColor );
+ }
+}
+
+void WinSalGraphicsImpl::drawPolygon( sal_uInt32 nPoints, const SalPoint* pPtAry )
+{
+ // for NT, we can handover the array directly
+ DBG_ASSERT( sizeof( POINT ) == sizeof( SalPoint ),
+ "WinSalGraphicsImpl::DrawPolygon(): POINT != SalPoint" );
+
+ POINT* pWinPtAry = (POINT*)pPtAry;
+ // for Windows 95 and its maximum number of points
+ if ( !WIN_Polygon( mrParent.getHDC(), pWinPtAry, (int)nPoints ) && (nPoints > MAX_64KSALPOINTS) )
+ WIN_Polygon( mrParent.getHDC(), pWinPtAry, MAX_64KSALPOINTS );
+}
+
+void WinSalGraphicsImpl::drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints,
+ PCONSTSALPOINT* 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 < (UINT)nPoly; i++ )
+ {
+ nPoints = (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];
+ // for NT, we can handover the array directly
+ DBG_ASSERT( sizeof( POINT ) == sizeof( SalPoint ),
+ "WinSalGraphicsImpl::DrawPolyPolygon(): POINT != SalPoint" );
+ const SalPoint* pPolyAry;
+ UINT n = 0;
+ for ( i = 0; i < (UINT)nPoly; i++ )
+ {
+ nPoints = pWinPointAry[i];
+ pPolyAry = pPtAry[i];
+ memcpy( pWinPointAryAry+n, pPolyAry, (nPoints-1)*sizeof(POINT) );
+ pWinPointAryAry[n+nPoints-1] = pWinPointAryAry[n];
+ n += nPoints;
+ }
+
+ if ( !WIN_PolyPolygon( mrParent.getHDC(), pWinPointAryAry, (int*)pWinPointAry, (UINT)nPoly ) &&
+ (nPolyPolyPoints > MAX_64KSALPOINTS) )
+ {
+ nPolyPolyPoints = 0;
+ nPoly = 0;
+ do
+ {
+ nPolyPolyPoints += pWinPointAry[(UINT)nPoly];
+ nPoly++;
+ }
+ while ( nPolyPolyPoints < MAX_64KSALPOINTS );
+ nPoly--;
+ if ( pWinPointAry[(UINT)nPoly] > MAX_64KSALPOINTS )
+ pWinPointAry[(UINT)nPoly] = MAX_64KSALPOINTS;
+ if ( nPoly == 1 )
+ WIN_Polygon( mrParent.getHDC(), pWinPointAryAry, *pWinPointAry );
+ else
+ WIN_PolyPolygon( mrParent.getHDC(), pWinPointAryAry, (int*)pWinPointAry, nPoly );
+ }
+
+ if ( pWinPointAry != aWinPointAry )
+ delete [] pWinPointAry;
+ if ( pWinPointAryAry != aWinPointAryAry )
+ delete [] pWinPointAryAry;
+}
+
+#define SAL_POLY_STACKBUF 32
+#define USE_GDI_BEZIERS
+
+bool WinSalGraphicsImpl::drawPolyLineBezier( sal_uInt32 nPoints, const SalPoint* pPtAry, const BYTE* pFlgAry )
+{
+#ifdef USE_GDI_BEZIERS
+ // for NT, we can handover the array directly
+ DBG_ASSERT( sizeof( POINT ) == sizeof( SalPoint ),
+ "WinSalGraphicsImpl::DrawPolyLineBezier(): POINT != SalPoint" );
+
+ ImplRenderPath( mrParent.getHDC(), nPoints, pPtAry, pFlgAry );
+
+ return true;
+#else
+ return false;
+#endif
+}
+
+bool WinSalGraphicsImpl::drawPolygonBezier( sal_uInt32 nPoints, const SalPoint* pPtAry, const BYTE* pFlgAry )
+{
+#ifdef USE_GDI_BEZIERS
+ // for NT, we can handover the array directly
+ DBG_ASSERT( sizeof( POINT ) == sizeof( SalPoint ),
+ "WinSalGraphicsImpl::DrawPolygonBezier(): POINT != SalPoint" );
+
+ 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;
+#else
+ return false;
+#endif
+}
+
+bool WinSalGraphicsImpl::drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints,
+ const SalPoint* const* pPtAry, const BYTE* const* pFlgAry )
+{
+#ifdef USE_GDI_BEZIERS
+ // for NT, we can handover the array directly
+ DBG_ASSERT( sizeof( POINT ) == sizeof( SalPoint ),
+ "WinSalGraphicsImpl::DrawPolyPolygonBezier(): POINT != SalPoint" );
+
+ 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;
+#else
+ return false;
+#endif
+}
+
+void impAddB2DPolygonToGDIPlusGraphicsPathReal(Gdiplus::GpPath *pPath, const basegfx::B2DPolygon& rPolygon, bool bNoLineJoin)
+{
+ sal_uInt32 nCount(rPolygon.count());
+
+ if(nCount)
+ {
+ const sal_uInt32 nEdgeCount(rPolygon.isClosed() ? nCount : nCount - 1);
+ const bool bControls(rPolygon.areControlPointsUsed());
+ basegfx::B2DPoint aCurr(rPolygon.getB2DPoint(0));
+
+ for(sal_uInt32 a(0); a < nEdgeCount; a++)
+ {
+ const sal_uInt32 nNextIndex((a + 1) % nCount);
+ const basegfx::B2DPoint aNext(rPolygon.getB2DPoint(nNextIndex));
+
+ if(bControls && (rPolygon.isNextControlPointUsed(a) || rPolygon.isPrevControlPointUsed(nNextIndex)))
+ {
+ const basegfx::B2DPoint aCa(rPolygon.getNextControlPoint(a));
+ const basegfx::B2DPoint aCb(rPolygon.getPrevControlPoint(nNextIndex));
+
+ Gdiplus::DllExports::GdipAddPathBezier(pPath,
+ aCurr.getX(), aCurr.getY(),
+ aCa.getX(), aCa.getY(),
+ aCb.getX(), aCb.getY(),
+ aNext.getX(), aNext.getY());
+ }
+ else
+ {
+ Gdiplus::DllExports::GdipAddPathLine(pPath, aCurr.getX(), aCurr.getY(), aNext.getX(), aNext.getY());
+ }
+
+ if(a + 1 < nEdgeCount)
+ {
+ aCurr = aNext;
+
+ if(bNoLineJoin)
+ {
+ Gdiplus::DllExports::GdipStartPathFigure(pPath);
+ }
+ }
+ }
+ }
+}
+
+void impAddB2DPolygonToGDIPlusGraphicsPathInteger(Gdiplus::GpPath *pPath, const basegfx::B2DPolygon& rPolygon, bool bNoLineJoin)
+{
+ sal_uInt32 nCount(rPolygon.count());
+
+ if(nCount)
+ {
+ const sal_uInt32 nEdgeCount(rPolygon.isClosed() ? nCount : nCount - 1);
+ const bool bControls(rPolygon.areControlPointsUsed());
+ basegfx::B2DPoint aCurr(rPolygon.getB2DPoint(0));
+
+ for(sal_uInt32 a(0); a < nEdgeCount; a++)
+ {
+ const sal_uInt32 nNextIndex((a + 1) % nCount);
+ const basegfx::B2DPoint aNext(rPolygon.getB2DPoint(nNextIndex));
+
+ if(bControls && (rPolygon.isNextControlPointUsed(a) || rPolygon.isPrevControlPointUsed(nNextIndex)))
+ {
+ const basegfx::B2DPoint aCa(rPolygon.getNextControlPoint(a));
+ const basegfx::B2DPoint aCb(rPolygon.getPrevControlPoint(nNextIndex));
+
+ Gdiplus::DllExports::GdipAddPathBezier(
+ pPath,
+ aCurr.getX(), aCurr.getY(),
+ aCa.getX(), aCa.getY(),
+ aCb.getX(), aCb.getY(),
+ aNext.getX(), aNext.getY());
+ }
+ else
+ {
+ Gdiplus::DllExports::GdipAddPathLine(pPath, aCurr.getX(), aCurr.getY(), aNext.getX(), aNext.getY());
+ }
+
+ if(a + 1 < nEdgeCount)
+ {
+ aCurr = aNext;
+
+ if(bNoLineJoin)
+ {
+ Gdiplus::DllExports::GdipStartPathFigure(pPath);
+ }
+ }
+ }
+ }
+}
+
+bool WinSalGraphicsImpl::drawPolyPolygon( const ::basegfx::B2DPolyPolygon& rPolyPolygon, double fTransparency)
+{
+ const sal_uInt32 nCount(rPolyPolygon.count());
+
+ if(mbBrush && nCount && (fTransparency >= 0.0 && fTransparency < 1.0))
+ {
+ Gdiplus::GpGraphics *pGraphics = NULL;
+ Gdiplus::DllExports::GdipCreateFromHDC(mrParent.getHDC(), &pGraphics);
+ const sal_uInt8 aTrans((sal_uInt8)255 - (sal_uInt8)basegfx::fround(fTransparency * 255.0));
+ Gdiplus::Color aTestColor(aTrans, SALCOLOR_RED(maFillColor), SALCOLOR_GREEN(maFillColor), SALCOLOR_BLUE(maFillColor));
+ Gdiplus::GpSolidFill *pTestBrush;
+ Gdiplus::DllExports::GdipCreateSolidFill(aTestColor.GetValue(), &pTestBrush);
+ Gdiplus::GpPath *pPath = NULL;
+ Gdiplus::DllExports::GdipCreatePath(Gdiplus::FillModeAlternate, &pPath);
+
+ for(sal_uInt32 a(0); a < nCount; a++)
+ {
+ if(0 != a)
+ {
+ Gdiplus::DllExports::GdipStartPathFigure(pPath); // #i101491# not needed for first run
+ }
+
+ impAddB2DPolygonToGDIPlusGraphicsPathReal(pPath, rPolyPolygon.getB2DPolygon(a), false);
+ Gdiplus::DllExports::GdipClosePathFigure(pPath);
+ }
+
+ if(mrParent.getAntiAliasB2DDraw())
+ {
+ Gdiplus::DllExports::GdipSetSmoothingMode(pGraphics, Gdiplus::SmoothingModeAntiAlias);
+ }
+ else
+ {
+ Gdiplus::DllExports::GdipSetSmoothingMode(pGraphics, Gdiplus::SmoothingModeNone);
+ }
+
+ if(mrParent.mbPrinter)
+ {
+ // #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.
+ Gdiplus::REAL aDpiX;
+ Gdiplus::DllExports::GdipGetDpiX(pGraphics, &aDpiX);
+ Gdiplus::REAL aDpiY;
+ Gdiplus::DllExports::GdipGetDpiY(pGraphics, &aDpiY);
+
+ Gdiplus::DllExports::GdipResetWorldTransform(pGraphics);
+ Gdiplus::DllExports::GdipScaleWorldTransform(pGraphics, Gdiplus::REAL(100.0) / aDpiX, Gdiplus::REAL(100.0) / aDpiY, Gdiplus::MatrixOrderAppend);
+ }
+
+ Gdiplus::DllExports::GdipFillPath(pGraphics, pTestBrush, pPath);
+
+ Gdiplus::DllExports::GdipDeletePath(pPath);
+ Gdiplus::DllExports::GdipDeleteGraphics(pGraphics);
+ }
+
+ return true;
+}
+
+bool WinSalGraphicsImpl::drawPolyLine(
+ const basegfx::B2DPolygon& rPolygon,
+ double fTransparency,
+ const basegfx::B2DVector& rLineWidths,
+ basegfx::B2DLineJoin eLineJoin,
+ com::sun::star::drawing::LineCap eLineCap)
+{
+ const sal_uInt32 nCount(rPolygon.count());
+
+ if(mbPen && nCount)
+ {
+ Gdiplus::GpGraphics *pGraphics = NULL;
+ Gdiplus::DllExports::GdipCreateFromHDC(mrParent.getHDC(), &pGraphics);
+ const sal_uInt8 aTrans = (sal_uInt8)basegfx::fround( 255 * (1.0 - fTransparency) );
+ Gdiplus::Color aTestColor(aTrans, SALCOLOR_RED(maLineColor), SALCOLOR_GREEN(maLineColor), SALCOLOR_BLUE(maLineColor));
+ Gdiplus::GpPen *pTestPen = NULL;
+ Gdiplus::DllExports::GdipCreatePen1(aTestColor.GetValue(), Gdiplus::REAL(rLineWidths.getX()), Gdiplus::UnitWorld, &pTestPen);
+ Gdiplus::GpPath *pPath;
+ Gdiplus::DllExports::GdipCreatePath(Gdiplus::FillModeAlternate, &pPath);
+ bool bNoLineJoin(false);
+
+ switch(eLineJoin)
+ {
+ default : // basegfx::B2DLINEJOIN_NONE :
+ {
+ if(basegfx::fTools::more(rLineWidths.getX(), 0.0))
+ {
+ bNoLineJoin = true;
+ }
+ break;
+ }
+ case basegfx::B2DLINEJOIN_BEVEL :
+ {
+ Gdiplus::DllExports::GdipSetPenLineJoin(pTestPen, Gdiplus::LineJoinBevel);
+ break;
+ }
+ case basegfx::B2DLINEJOIN_MIDDLE :
+ case basegfx::B2DLINEJOIN_MITER :
+ {
+ const Gdiplus::REAL aMiterLimit(15.0);
+ Gdiplus::DllExports::GdipSetPenMiterLimit(pTestPen, aMiterLimit);
+ Gdiplus::DllExports::GdipSetPenLineJoin(pTestPen, Gdiplus::LineJoinMiter);
+ break;
+ }
+ case basegfx::B2DLINEJOIN_ROUND :
+ {
+ Gdiplus::DllExports::GdipSetPenLineJoin(pTestPen, Gdiplus::LineJoinRound);
+ break;
+ }
+ }
+
+ switch(eLineCap)
+ {
+ default: /*com::sun::star::drawing::LineCap_BUTT*/
+ {
+ // nothing to do
+ break;
+ }
+ case com::sun::star::drawing::LineCap_ROUND:
+ {
+ Gdiplus::DllExports::GdipSetPenStartCap(pTestPen, Gdiplus::LineCapRound);
+ Gdiplus::DllExports::GdipSetPenEndCap(pTestPen, Gdiplus::LineCapRound);
+ break;
+ }
+ case com::sun::star::drawing::LineCap_SQUARE:
+ {
+ Gdiplus::DllExports::GdipSetPenStartCap(pTestPen, Gdiplus::LineCapSquare);
+ Gdiplus::DllExports::GdipSetPenEndCap(pTestPen, Gdiplus::LineCapSquare);
+ break;
+ }
+ }
+
+ if(nCount > 250 && basegfx::fTools::more(rLineWidths.getX(), 1.5))
+ {
+ impAddB2DPolygonToGDIPlusGraphicsPathInteger(pPath, rPolygon, bNoLineJoin);
+ }
+ else
+ {
+ impAddB2DPolygonToGDIPlusGraphicsPathReal(pPath, rPolygon, bNoLineJoin);
+ }
+
+ if(rPolygon.isClosed() && !bNoLineJoin)
+ {
+ // #i101491# needed to create the correct line joins
+ Gdiplus::DllExports::GdipClosePathFigure(pPath);
+ }
+
+ if(mrParent.getAntiAliasB2DDraw())
+ {
+ Gdiplus::DllExports::GdipSetSmoothingMode(pGraphics, Gdiplus::SmoothingModeAntiAlias);
+ }
+ else
+ {
+ Gdiplus::DllExports::GdipSetSmoothingMode(pGraphics, Gdiplus::SmoothingModeNone);
+ }
+
+ Gdiplus::DllExports::GdipDrawPath(pGraphics, pTestPen, pPath);
+
+ Gdiplus::DllExports::GdipDeletePath(pPath);
+ Gdiplus::DllExports::GdipDeletePen(pTestPen);
+ Gdiplus::DllExports::GdipDeleteGraphics(pGraphics);
+ }
+
+ return true;
+}
+
+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 paralellogram
+ 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,
+ 0,
+ 0);
+}
+
+void setInterpolationMode(
+ Gdiplus::Graphics& rGraphics,
+ const long& rSrcWidth,
+ const long& rDestWidth,
+ const long& rSrcHeight,
+ const long& rDestHeight)
+{
+ const bool bSameWidth(rSrcWidth == rDestWidth);
+ const bool bSameHeight(rSrcHeight == rDestHeight);
+
+ if(bSameWidth && bSameHeight)
+ {
+#ifdef __MINGW32__
+ //Gdiplus::InterpolationModeInvalid is missing on mingw
+ rGraphics.SetInterpolationMode(Gdiplus::InterpolationModeDefault);
+#else
+ rGraphics.SetInterpolationMode(Gdiplus::InterpolationModeInvalid);
+#endif
+ }
+ 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)
+ {
+ const WinSalBitmap& rSalBitmap = static_cast< const WinSalBitmap& >(rSrcBitmap);
+ GdiPlusBmpPtr aARGB(rSalBitmap.ImplGetGdiPlusBitmap());
+
+ if(aARGB.get())
+ {
+ Gdiplus::Graphics aGraphics(mrParent.getHDC());
+
+ setInterpolationMode(
+ aGraphics,
+ rTR.mnSrcWidth,
+ rTR.mnDestWidth,
+ rTR.mnSrcHeight,
+ rTR.mnDestHeight);
+
+ paintToGdiPlus(
+ aGraphics,
+ rTR,
+ *aARGB.get());
+
+ return true;
+ }
+ }
+
+ return false;
+}
+
+bool WinSalGraphicsImpl::drawAlphaBitmap(
+ const SalTwoRect& rTR,
+ const SalBitmap& rSrcBitmap,
+ const SalBitmap& rAlphaBmp)
+{
+ if(rTR.mnSrcWidth && rTR.mnSrcHeight && rTR.mnDestWidth && rTR.mnDestHeight)
+ {
+ const WinSalBitmap& rSalBitmap = static_cast< const WinSalBitmap& >(rSrcBitmap);
+ const WinSalBitmap& rSalAlpha = static_cast< const WinSalBitmap& >(rAlphaBmp);
+ GdiPlusBmpPtr aARGB(rSalBitmap.ImplGetGdiPlusBitmap(&rSalAlpha));
+
+ if(aARGB.get())
+ {
+ Gdiplus::Graphics aGraphics(mrParent.getHDC());
+
+ setInterpolationMode(
+ aGraphics,
+ rTR.mnSrcWidth,
+ rTR.mnDestWidth,
+ rTR.mnSrcHeight,
+ rTR.mnDestHeight);
+
+ paintToGdiPlus(
+ aGraphics,
+ rTR,
+ *aARGB.get());
+
+ 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)
+{
+ const WinSalBitmap& rSalBitmap = static_cast< const WinSalBitmap& >(rSourceBitmap);
+ const WinSalBitmap* pSalAlpha = static_cast< const WinSalBitmap* >(pAlphaBitmap);
+ GdiPlusBmpPtr aARGB(rSalBitmap.ImplGetGdiPlusBitmap(pSalAlpha));
+
+ if(aARGB.get())
+ {
+ const long nSrcWidth(aARGB->GetWidth());
+ const long nSrcHeight(aARGB->GetHeight());
+
+ if(nSrcWidth && nSrcHeight)
+ {
+ const long nDestWidth(basegfx::fround(basegfx::B2DVector(rX - rNull).getLength()));
+ const 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 paralellogram
+ 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,
+ 0,
+ 0);
+ }
+ }
+
+ return true;
+ }
+
+ return false;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */