office-gobmx/vcl/inc/win/salgdi.h
2011-11-21 09:04:19 +01:00

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