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Diffstat (limited to 'vcl/inc/ios/salgdi.h')
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diff --git a/vcl/inc/ios/salgdi.h b/vcl/inc/ios/salgdi.h new file mode 100644 index 000000000000..51ef49219e9a --- /dev/null +++ b/vcl/inc/ios/salgdi.h @@ -0,0 +1,401 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#ifndef _SV_SALGDI_H +#define _SV_SALGDI_H + +#include "basegfx/polygon/b2dpolypolygon.hxx" + +#include "ios/iosvcltypes.h" +#include <vcl/fontcapabilities.hxx> + +#include "outfont.hxx" +#include "salgdi.hxx" + +#include <vector> + +class IosSalFrame; +class IosSalBitmap; +class ImplDevFontAttributes; + +class CGRect; + +// mac specific physically available font face +class ImplIosFontData : public ImplFontData +{ +public: + ImplIosFontData( const ImplDevFontAttributes&, NSString * ); + + virtual ~ImplIosFontData(); + + virtual ImplFontData* Clone() const; + virtual ImplFontEntry* CreateFontInstance( ImplFontSelectData& ) const; + virtual sal_IntPtr GetFontId() const; + + const ImplFontCharMap* GetImplFontCharMap() const; + bool GetImplFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const; + bool HasChar( sal_uInt32 cChar ) const; + + void ReadOs2Table() const; + void ReadIosCmapEncoding() const; + bool HasCJKSupport() const; + +private: + mutable const ImplFontCharMap* mpCharMap; + mutable vcl::FontCapabilities maFontCapabilities; + mutable bool mbOs2Read; // true if OS2-table related info is valid + mutable bool mbHasOs2Table; + mutable bool mbCmapEncodingRead; // true if cmap encoding of Ios font is read + mutable bool mbHasCJKSupport; // #i78970# CJK fonts need extra leading + mutable bool mbFontCapabilitiesRead; +}; + +// abstracting quartz color instead of having to use an CGFloat[] array +class RGBAColor +{ +public: + RGBAColor( SalColor ); + RGBAColor( float fRed, float fGreen, float fBlue, float fAlpha ); //NOTUSEDYET + const float* AsArray() const { return &mfRed; } + bool IsVisible() const { return (mfAlpha > 0); } + void SetAlpha( float fAlpha ) { mfAlpha = fAlpha; } +private: + float mfRed, mfGreen, mfBlue, mfAlpha; +}; + +// ------------------- +// - IosSalGraphics - +// ------------------- +class IosSalGraphics : public SalGraphics +{ +protected: + IosSalFrame* mpFrame; + CGLayerRef mxLayer; // Quartz graphics layer + CGContextRef mrContext; // Quartz drawing context + class XorEmulation* mpXorEmulation; + int mnXorMode; // 0: off 1: on 2: invert only + int mnWidth; + int mnHeight; + int mnBitmapDepth; // zero unless bitmap + /// device resolution of this graphics + long mnRealDPIX; + long mnRealDPIY; + /// some graphics implementations (e.g. IosSalInfoPrinter) scale + /// everything down by a factor (see SetupPrinterGraphics for details) + /// so we have to compensate for it with the inverse factor + double mfFakeDPIScale; + + /// path representing current clip region + CGMutablePathRef mxClipPath; + + /// Drawing colors + /// pen color RGBA + RGBAColor maLineColor; + /// brush color RGBA + RGBAColor maFillColor; + + // Device Font settings + const ImplIosFontData* mpIosFontData; + /// <1.0: font is squeezed, >1.0 font is stretched, else 1.0 + float mfFontStretch; + /// allows text to be rendered without antialiasing + bool mbNonAntialiasedText; + + // Graphics types + + /// is this a printer graphics + bool mbPrinter; + /// is this a virtual device graphics + bool mbVirDev; + /// is this a window graphics + bool mbWindow; + +public: + IosSalGraphics(); + virtual ~IosSalGraphics(); + + bool IsPenVisible() const { return maLineColor.IsVisible(); } + bool IsBrushVisible() const { return maFillColor.IsVisible(); } + + void SetWindowGraphics( IosSalFrame* pFrame ); + void SetPrinterGraphics( CGContextRef, long nRealDPIX, long nRealDPIY, double fFakeScale ); + void SetVirDevGraphics( CGLayerRef, CGContextRef, int nBitDepth = 0 ); + + void initResolution( UIWindow* ); + void copyResolution( IosSalGraphics& ); + void updateResolution(); + + bool IsWindowGraphics() const { return mbWindow; } + bool IsPrinterGraphics() const { return mbPrinter; } + bool IsVirDevGraphics() const { return mbVirDev; } + IosSalFrame* getGraphicsFrame() const { return mpFrame; } + void setGraphicsFrame( IosSalFrame* pFrame ) { mpFrame = pFrame; } + + void ImplDrawPixel( long nX, long nY, const RGBAColor& ); // helper to draw single pixels + + bool CheckContext(); + void UpdateWindow( CGRect& ); // delivered in NSView coordinates + void RefreshRect( const CGRect& ); + void RefreshRect(float lX, float lY, float lWidth, float lHeight); + + void SetState(); + void UnsetState(); + // InvalidateContext does an UnsetState and sets mrContext to 0 + void InvalidateContext(); + + 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_uLong nPoints, const SalPoint* pPtAry ); + virtual void drawPolygon( sal_uLong nPoints, const SalPoint* pPtAry ); + virtual void drawPolyPolygon( sal_uLong nPoly, const sal_uLong* pPoints, PCONSTSALPOINT* pPtAry ); + virtual bool drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency ); + virtual sal_Bool drawPolyLineBezier( sal_uLong nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ); + virtual sal_Bool drawPolygonBezier( sal_uLong nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ); + virtual sal_Bool drawPolyPolygonBezier( sal_uLong nPoly, const sal_uLong* pPoints, const SalPoint* const* pPtAry, const sal_uInt8* const* pFlgAry ); + virtual bool drawPolyLine( const ::basegfx::B2DPolygon&, double fTransparency, const ::basegfx::B2DVector& rLineWidths, basegfx::B2DLineJoin ); + + // 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_uLong nPoints, const SalPoint* pPtAry, SalInvert nFlags ); + + virtual sal_Bool drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, sal_uLong nSize ); + + 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 ); + + CGPoint* makeCGptArray(sal_uLong nPoints, const SalPoint* pPtAry); + // 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 ); + + // 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 bInvertOnly ); + // 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( ImplFontSelectData*, 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; + virtual bool GetImplFontCapabilities(vcl::FontCapabilities &rFontCapabilities) 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 String& rFileURL, const String& 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* pFont, + 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 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; + +private: + // differences between VCL, Quartz and kHiThemeOrientation coordinate systems + // make some graphics seem to be vertically-mirrored from a VCL perspective + bool IsFlipped() const { return mbWindow; } + + void ApplyXorContext(); + void Pattern50Fill(); + UInt32 getState( ControlState nState ); + UInt32 getTrackState( ControlState nState ); +}; + +class XorEmulation +{ +public: + XorEmulation(); + /*final*/ ~XorEmulation(); + + void SetTarget( int nWidth, int nHeight, int nBitmapDepth, CGContextRef, CGLayerRef ); + bool UpdateTarget(); + void Enable() { mbIsEnabled = true; } + void Disable() { mbIsEnabled = false; } + bool IsEnabled() const { return mbIsEnabled; } + CGContextRef GetTargetContext() const { return mxTargetContext; } + CGContextRef GetMaskContext() const { return (mbIsEnabled ? mxMaskContext : NULL); } + +private: + CGLayerRef mxTargetLayer; + CGContextRef mxTargetContext; + CGContextRef mxMaskContext; + CGContextRef mxTempContext; + sal_uLong* mpMaskBuffer; + sal_uLong* mpTempBuffer; + int mnBufferLongs; + bool mbIsEnabled; +}; + + +// --- some trivial inlines + +inline void IosSalGraphics::RefreshRect( const CGRect& rRect ) +{ + RefreshRect( rRect.origin.x, rRect.origin.y, rRect.size.width, rRect.size.height ); +} + +inline RGBAColor::RGBAColor( SalColor nSalColor ) +: mfRed( SALCOLOR_RED(nSalColor) * (1.0/255)) +, mfGreen( SALCOLOR_GREEN(nSalColor) * (1.0/255)) +, mfBlue( SALCOLOR_BLUE(nSalColor) * (1.0/255)) +, mfAlpha( 1.0 ) // opaque +{} + +inline RGBAColor::RGBAColor( float fRed, float fGreen, float fBlue, float fAlpha ) +: mfRed( fRed ) +, mfGreen( fGreen ) +, mfBlue( fBlue ) +, mfAlpha( fAlpha ) +{} + +#endif // _SV_SALGDI_H + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |