425 lines
21 KiB
C++
425 lines
21 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*************************************************************************
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*
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* Copyright 2000, 2010 Oracle and/or its affiliates.
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*
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* OpenOffice.org - a multi-platform office productivity suite
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*
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* This file is part of OpenOffice.org.
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*
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* OpenOffice.org is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License version 3
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* only, as published by the Free Software Foundation.
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*
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* OpenOffice.org is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License version 3 for more details
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* (a copy is included in the LICENSE file that accompanied this code).
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*
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* You should have received a copy of the GNU Lesser General Public License
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* version 3 along with OpenOffice.org. If not, see
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* <http://www.openoffice.org/license.html>
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* for a copy of the LGPLv3 License.
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*
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************************************************************************/
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#ifndef _SV_SALGDI_H
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#define _SV_SALGDI_H
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#include <sallayout.hxx>
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#include <salgdi.hxx>
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#include <outfont.hxx>
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#include <impfont.hxx>
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#include <vcl/fontcapabilities.hxx>
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#include "boost/scoped_ptr.hpp"
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#include <boost/unordered_set.hpp>
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#ifdef ENABLE_GRAPHITE
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#include <graphite2/Font.h>
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#endif
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class FontSelectPattern;
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class ImplWinFontEntry;
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class ImplFontAttrCache;
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// -----------
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// - Defines -
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// -----------
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#define RGB_TO_PALRGB(nRGB) ((nRGB)|0x02000000)
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#define PALRGB_TO_RGB(nPalRGB) ((nPalRGB)&0x00ffffff)
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#ifdef ENABLE_GRAPHITE
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class RawFontData;
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class GrFontData
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{
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public:
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GrFontData(HDC hDC);
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~GrFontData();
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const void * getTable(unsigned int name, size_t *len) const;
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const gr_face * getFace() const { return mpFace; }
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void AddReference() { ++mnRefCount; }
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void DeReference() { if (--mnRefCount == 0) delete this; }
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private:
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GrFontData(GrFontData &) {};
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HDC mhDC;
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mutable std::vector<RawFontData*> mvData;
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gr_face * mpFace;
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unsigned int mnRefCount;
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};
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#endif
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// win32 specific physically available font face
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class ImplWinFontData : public PhysicalFontFace
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{
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public:
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explicit ImplWinFontData( const ImplDevFontAttributes&,
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int nFontHeight, BYTE eWinCharSet,
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BYTE nPitchAndFamily );
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virtual ~ImplWinFontData();
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virtual PhysicalFontFace* Clone() const;
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virtual ImplFontEntry* CreateFontInstance( FontSelectPattern& ) const;
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virtual sal_IntPtr GetFontId() const;
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void SetFontId( sal_IntPtr nId ) { mnId = nId; }
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void UpdateFromHDC( HDC ) const;
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bool HasChar( sal_uInt32 cChar ) const;
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BYTE GetCharSet() const { return meWinCharSet; }
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BYTE GetPitchAndFamily() const { return mnPitchAndFamily; }
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bool IsGlyphApiDisabled() const { return mbDisableGlyphApi; }
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bool SupportsKorean() const { return mbHasKoreanRange; }
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bool SupportsCJK() const { return mbHasCJKSupport; }
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bool SupportsArabic() const { return mbHasArabicSupport; }
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bool AliasSymbolsHigh() const { return mbAliasSymbolsHigh; }
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bool AliasSymbolsLow() const { return mbAliasSymbolsLow; }
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#ifdef ENABLE_GRAPHITE
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bool SupportsGraphite() const { return mbHasGraphiteSupport; }
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const gr_face* GraphiteFace() const;
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#endif
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const ImplFontCharMap* GetImplFontCharMap() const;
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bool GetImplFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const;
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const Ucs2SIntMap* GetEncodingVector() const { return mpEncodingVector; }
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void SetEncodingVector( const Ucs2SIntMap* pNewVec ) const
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{
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if( mpEncodingVector )
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delete mpEncodingVector;
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mpEncodingVector = pNewVec;
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}
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private:
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sal_IntPtr mnId;
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// some members that are initalized lazily when the font gets selected into a HDC
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mutable bool mbDisableGlyphApi;
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mutable bool mbHasKoreanRange;
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mutable bool mbHasCJKSupport;
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#ifdef ENABLE_GRAPHITE
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mutable GrFontData* mpGraphiteData;
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mutable bool mbHasGraphiteSupport;
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#endif
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mutable bool mbHasArabicSupport;
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mutable bool mbFontCapabilitiesRead;
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mutable ImplFontCharMap* mpUnicodeMap;
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mutable const Ucs2SIntMap* mpEncodingVector;
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mutable vcl::FontCapabilities maFontCapabilities;
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// TODO: get rid of the members below needed to work with the Win9x non-unicode API
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BYTE* mpFontCharSets; // all Charsets for the current font (used on W98 for kerning)
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BYTE mnFontCharSetCount; // Number of Charsets of the current font; 0 - if not queried
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BYTE meWinCharSet;
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BYTE mnPitchAndFamily;
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bool mbAliasSymbolsHigh;
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bool mbAliasSymbolsLow;
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private:
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void ReadCmapTable( HDC ) const;
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void GetFontCapabilities( HDC hDC ) const;
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void ReadGsubTable( HDC ) const;
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typedef boost::unordered_set<sal_UCS4> UcsHashSet;
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mutable UcsHashSet maGsubTable;
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mutable bool mbGsubRead;
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public:
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bool HasGSUBstitutions( HDC ) const;
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bool IsGSUBstituted( sal_UCS4 ) const;
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};
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// ------------------
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// - WinSalGraphics -
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// ------------------
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class WinSalGraphics : public SalGraphics
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{
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public:
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HDC mhDC; // HDC
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HWND mhWnd; // Window-Handle, when Window-Graphics
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HFONT mhFonts[ MAX_FALLBACK ]; // Font + Fallbacks
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const ImplWinFontData* mpWinFontData[ MAX_FALLBACK ]; // pointer to the most recent font face
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ImplWinFontEntry* mpWinFontEntry[ MAX_FALLBACK ]; // pointer to the most recent font instance
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float mfFontScale[ MAX_FALLBACK ]; // allows metrics emulation of huge font sizes
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float mfCurrentFontScale;
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HPEN mhPen; // Pen
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HBRUSH mhBrush; // Brush
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HRGN mhRegion; // Region Handle
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HPEN mhDefPen; // DefaultPen
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HBRUSH mhDefBrush; // DefaultBrush
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HFONT mhDefFont; // DefaultFont
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HPALETTE mhDefPal; // DefaultPalette
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COLORREF mnPenColor; // PenColor
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COLORREF mnBrushColor; // BrushColor
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COLORREF mnTextColor; // TextColor
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RGNDATA* mpClipRgnData; // ClipRegion-Data
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RGNDATA* mpStdClipRgnData; // Cache Standard-ClipRegion-Data
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LOGFONTA* mpLogFont; // LOG-Font which is currently selected (only W9x)
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ImplFontAttrCache* mpFontAttrCache; // Cache font attributes from files in so/share/fonts
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BYTE* mpFontCharSets; // All Charsets for the current font
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BYTE mnFontCharSetCount; // Number of Charsets of the current font; 0 - if not queried
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sal_Bool mbFontKernInit; // FALSE: FontKerns must be queried
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KERNINGPAIR* mpFontKernPairs; // Kerning Pairs of the current Font
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sal_uIntPtr mnFontKernPairCount;// Number of Kerning Pairs of the current Font
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int mnPenWidth; // Linienbreite
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sal_Bool mbStockPen; // is Pen a stockpen
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sal_Bool mbStockBrush; // is Brush a stcokbrush
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sal_Bool mbPen; // is Pen (FALSE == NULL_PEN)
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sal_Bool mbBrush; // is Brush (FALSE == NULL_BRUSH)
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sal_Bool mbPrinter; // is Printer
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sal_Bool mbVirDev; // is VirDev
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sal_Bool mbWindow; // is Window
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sal_Bool mbScreen; // is Screen compatible
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bool mbXORMode; // _every_ output with RasterOp XOR
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// remember RGB values for SetLineColor/SetFillColor
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SalColor maLineColor;
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SalColor maFillColor;
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HFONT ImplDoSetFont( FontSelectPattern* i_pFont, float& o_rFontScale, HFONT& o_rOldFont );
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public:
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explicit WinSalGraphics();
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virtual ~WinSalGraphics();
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protected:
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virtual bool setClipRegion( const Region& );
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// draw --> LineColor and FillColor and RasterOp and ClipRegion
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virtual void drawPixel( long nX, long nY );
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virtual void drawPixel( long nX, long nY, SalColor nSalColor );
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virtual void drawLine( long nX1, long nY1, long nX2, long nY2 );
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virtual void drawRect( long nX, long nY, long nWidth, long nHeight );
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virtual void drawPolyLine( sal_uIntPtr nPoints, const SalPoint* pPtAry );
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virtual void drawPolygon( sal_uIntPtr nPoints, const SalPoint* pPtAry );
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virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, PCONSTSALPOINT* pPtAry );
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virtual bool drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency );
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virtual bool drawPolyLine( const ::basegfx::B2DPolygon&, double fTransparency, const ::basegfx::B2DVector& rLineWidth, basegfx::B2DLineJoin );
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virtual sal_Bool drawPolyLineBezier( sal_uIntPtr nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry );
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virtual sal_Bool drawPolygonBezier( sal_uIntPtr nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry );
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virtual sal_Bool drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints, const SalPoint* const* pPtAry, const BYTE* const* pFlgAry );
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// CopyArea --> No RasterOp, but ClipRegion
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virtual void copyArea( long nDestX, long nDestY, long nSrcX, long nSrcY, long nSrcWidth,
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long nSrcHeight, sal_uInt16 nFlags );
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// CopyBits and DrawBitmap --> RasterOp and ClipRegion
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// CopyBits() --> pSrcGraphics == NULL, then CopyBits on same Graphics
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virtual void copyBits( const SalTwoRect* pPosAry, SalGraphics* pSrcGraphics );
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virtual void drawBitmap( const SalTwoRect* pPosAry, const SalBitmap& rSalBitmap );
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virtual void drawBitmap( const SalTwoRect* pPosAry,
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const SalBitmap& rSalBitmap,
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SalColor nTransparentColor );
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virtual void drawBitmap( const SalTwoRect* pPosAry,
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const SalBitmap& rSalBitmap,
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const SalBitmap& rTransparentBitmap );
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virtual void drawMask( const SalTwoRect* pPosAry,
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const SalBitmap& rSalBitmap,
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SalColor nMaskColor );
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virtual SalBitmap* getBitmap( long nX, long nY, long nWidth, long nHeight );
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virtual SalColor getPixel( long nX, long nY );
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// invert --> ClipRegion (only Windows or VirDevs)
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virtual void invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags);
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virtual void invert( sal_uIntPtr nPoints, const SalPoint* pPtAry, SalInvert nFlags );
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virtual sal_Bool drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, sal_uIntPtr nSize );
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// native widget rendering methods that require mirroring
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virtual sal_Bool hitTestNativeControl( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion,
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const Point& aPos, sal_Bool& rIsInside );
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virtual sal_Bool drawNativeControl( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion,
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ControlState nState, const ImplControlValue& aValue,
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const rtl::OUString& aCaption );
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virtual sal_Bool getNativeControlRegion( ControlType nType, ControlPart nPart, const Rectangle& rControlRegion, ControlState nState,
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const ImplControlValue& aValue, const rtl::OUString& aCaption,
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Rectangle &rNativeBoundingRegion, Rectangle &rNativeContentRegion );
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virtual bool drawAlphaBitmap( const SalTwoRect&,
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const SalBitmap& rSourceBitmap,
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const SalBitmap& rAlphaBitmap );
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virtual bool drawAlphaRect( long nX, long nY, long nWidth, long nHeight, sal_uInt8 nTransparency );
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public:
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// public SalGraphics methods, the interface to teh independent vcl part
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// get device resolution
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virtual void GetResolution( long& rDPIX, long& rDPIY );
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// get the depth of the device
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virtual sal_uInt16 GetBitCount() const;
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// get the width of the device
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virtual long GetGraphicsWidth() const;
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// set the clip region to empty
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virtual void ResetClipRegion();
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// set the line color to transparent (= don't draw lines)
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virtual void SetLineColor();
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// set the line color to a specific color
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virtual void SetLineColor( SalColor nSalColor );
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// set the fill color to transparent (= don't fill)
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virtual void SetFillColor();
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// set the fill color to a specific color, shapes will be
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// filled accordingly
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virtual void SetFillColor( SalColor nSalColor );
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// enable/disable XOR drawing
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virtual void SetXORMode( bool bSet, bool );
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// set line color for raster operations
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virtual void SetROPLineColor( SalROPColor nROPColor );
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// set fill color for raster operations
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virtual void SetROPFillColor( SalROPColor nROPColor );
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// set the text color to a specific color
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virtual void SetTextColor( SalColor nSalColor );
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// set the font
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virtual sal_uInt16 SetFont( FontSelectPattern*, int nFallbackLevel );
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// get the current font's etrics
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virtual void GetFontMetric( ImplFontMetricData*, int nFallbackLevel );
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// get kernign pairs of the current font
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// return only PairCount if (pKernPairs == NULL)
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virtual sal_uLong GetKernPairs( sal_uLong nPairs, ImplKernPairData* pKernPairs );
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// get the repertoire of the current font
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virtual const ImplFontCharMap* GetImplFontCharMap() const;
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// get the layout capabilities of the current font
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virtual bool GetImplFontCapabilities(vcl::FontCapabilities &rGetFontCapabilities) const;
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// graphics must fill supplied font list
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virtual void GetDevFontList( ImplDevFontList* );
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// graphics should call ImplAddDevFontSubstitute on supplied
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// OutputDevice for all its device specific preferred font substitutions
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virtual void GetDevFontSubstList( OutputDevice* );
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virtual bool AddTempDevFont( ImplDevFontList*, const rtl::OUString& rFileURL, const rtl::OUString& rFontName );
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// CreateFontSubset: a method to get a subset of glyhps of a font
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// inside a new valid font file
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// returns TRUE if creation of subset was successfull
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// parameters: rToFile: contains a osl file URL to write the subset to
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// pFont: describes from which font to create a subset
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// pGlyphIDs: the glyph ids to be extracted
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// pEncoding: the character code corresponding to each glyph
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// pWidths: the advance widths of the correspoding glyphs (in PS font units)
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// nGlyphs: the number of glyphs
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// rInfo: additional outgoing information
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// implementation note: encoding 0 with glyph id 0 should be added implicitly
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// as "undefined character"
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virtual sal_Bool CreateFontSubset( const rtl::OUString& rToFile,
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const PhysicalFontFace*,
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long* pGlyphIDs,
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sal_uInt8* pEncoding,
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sal_Int32* pWidths,
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int nGlyphs,
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FontSubsetInfo& rInfo // out parameter
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);
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// GetFontEncodingVector: a method to get the encoding map Unicode
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// to font encoded character; this is only used for type1 fonts and
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// may return NULL in case of unknown encoding vector
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// if ppNonEncoded is set and non encoded characters (that is type1
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// glyphs with only a name) exist it is set to the corresponding
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// map for non encoded glyphs; the encoding vector contains -1
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// as encoding for these cases
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virtual const Ucs2SIntMap* GetFontEncodingVector( const PhysicalFontFace*, const Ucs2OStrMap** ppNonEncoded );
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// GetEmbedFontData: gets the font data for a font marked
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// embeddable by GetDevFontList or NULL in case of error
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// parameters: pFont: describes the font in question
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// pWidths: the widths of all glyphs from char code 0 to 255
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// pWidths MUST support at least 256 members;
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// rInfo: additional outgoing information
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// pDataLen: out parameter, contains the byte length of the returned buffer
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virtual const void* GetEmbedFontData( const PhysicalFontFace*,
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const sal_Ucs* pUnicodes,
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sal_Int32* pWidths,
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FontSubsetInfo& rInfo,
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long* pDataLen );
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// frees the font data again
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virtual void FreeEmbedFontData( const void* pData, long nDataLen );
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virtual void GetGlyphWidths( const PhysicalFontFace*,
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bool bVertical,
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Int32Vector& rWidths,
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Ucs2UIntMap& rUnicodeEnc );
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virtual int GetMinKashidaWidth();
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virtual sal_Bool GetGlyphBoundRect( sal_GlyphId nIndex, Rectangle& );
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virtual sal_Bool GetGlyphOutline( sal_GlyphId nIndex, ::basegfx::B2DPolyPolygon& );
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virtual SalLayout* GetTextLayout( ImplLayoutArgs&, int nFallbackLevel );
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virtual void DrawServerFontLayout( const ServerFontLayout& );
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virtual bool supportsOperation( OutDevSupportType ) const;
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// Query the platform layer for control support
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virtual sal_Bool IsNativeControlSupported( ControlType nType, ControlPart nPart );
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virtual SystemGraphicsData GetGraphicsData() const;
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virtual SystemFontData GetSysFontData( int nFallbacklevel ) const;
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/// Update settings based on the platform values
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static void updateSettingsNative( AllSettings& rSettings );
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};
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// Init/Deinit Graphics
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void ImplSalInitGraphics( WinSalGraphics* );
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void ImplSalDeInitGraphics( WinSalGraphics* );
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void ImplUpdateSysColorEntries();
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int ImplIsSysColorEntry( SalColor nSalColor );
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void ImplGetLogFontFromFontSelect( HDC, const FontSelectPattern*,
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LOGFONTW&, bool bTestVerticalAvail );
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// -----------
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// - Defines -
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// -----------
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#define MAX_64KSALPOINTS ((((sal_uInt16)0xFFFF)-8)/sizeof(POINTS))
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// -----------
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// - Inlines -
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// -----------
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// #102411# Win's GCP mishandles kerning => we need to do it ourselves
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// SalGraphicsData::mpFontKernPairs is sorted by
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inline bool ImplCmpKernData( const KERNINGPAIR& a, const KERNINGPAIR& b )
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{
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if( a.wFirst < b.wFirst )
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return true;
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if( a.wFirst > b.wFirst )
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return false;
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return (a.wSecond < b.wSecond);
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}
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// called extremely often from just one spot => inline
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inline bool ImplWinFontData::HasChar( sal_uInt32 cChar ) const
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{
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if( mpUnicodeMap->HasChar( cChar ) )
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return true;
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// second chance to allow symbol aliasing
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if( mbAliasSymbolsLow && ((cChar-0xF000) <= 0xFF) )
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cChar -= 0xF000;
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else if( mbAliasSymbolsHigh && (cChar <= 0xFF) )
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cChar += 0xF000;
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else
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return false;
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return mpUnicodeMap->HasChar( cChar );
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}
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#endif // _SV_SALGDI_H
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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