312 lines
15 KiB
C++
312 lines
15 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 _VCL_IOS_SALGDI_H
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#define _VCL_IOS_SALGDI_H
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#include "basegfx/polygon/b2dpolypolygon.hxx"
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#include "ios/iosvcltypes.h"
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#include "ios/salcoretextfontutils.hxx"
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#include "ios/salframe.h"
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#include "salgdi.hxx"
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#include "ios/salgdicommon.hxx"
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class CoreTextStyleInfo;
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// -------------------
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// - IosSalGraphics -
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// -------------------
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class IosSalGraphics : public SalGraphics
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{
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friend class CoreTextLayout;
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protected:
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IosSalFrame* mpFrame;
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CGLayerRef mxLayer; //< Quartz graphics layer
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CGContextRef mrContext; //< Quartz drawing context
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class XorEmulation* mpXorEmulation;
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int mnXorMode; //< 0: off 1: on 2: invert only
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int mnWidth;
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int mnHeight;
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int mnBitmapDepth; //< zero unless bitmap
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long mnRealDPIX; //< device X-resolution of this graphics
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long mnRealDPIY; //< device Y-resolution of this graphics
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/// some graphics implementations (e.g. IosSalInfoPrinter) scale
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/// everything down by a factor (see SetupPrinterGraphics for details)
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/// so we have to compensate for it with the inverse factor
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double mfFakeDPIScale;
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double mfFontScale;
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CGMutablePathRef mxClipPath; //< path representing current clip region
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/// Drawing colors
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RGBAColor maLineColor; //< pen color RGBA
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RGBAColor maFillColor; //< brush color RGBA
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ImplCoreTextFontData* m_pCoreTextFontData; //< Device Font settings
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bool mbNonAntialiasedText; //< allows text to be rendered without antialiasing
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// Graphics types
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bool mbPrinter; //< is this a printer graphics
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bool mbVirDev; //< is this a virtual device graphics
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bool mbWindow; //< is this a window graphics
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CoreTextStyleInfo* m_style;
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public:
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IosSalGraphics();
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virtual ~IosSalGraphics();
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bool IsPenVisible() const { return maLineColor.IsVisible(); }
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bool IsBrushVisible() const { return maFillColor.IsVisible(); }
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void SetWindowGraphics( IosSalFrame* pFrame );
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void SetPrinterGraphics( CGContextRef, long nRealDPIX, long nRealDPIY, double fFakeScale );
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void SetVirDevGraphics( CGLayerRef, CGContextRef, int nBitDepth = 0 );
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void initResolution( UIWindow* );
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void copyResolution( IosSalGraphics& );
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void updateResolution();
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bool IsWindowGraphics() const { return mbWindow; }
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bool IsPrinterGraphics() const { return mbPrinter; }
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bool IsVirDevGraphics() const { return mbVirDev; }
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IosSalFrame* getGraphicsFrame() const { return mpFrame; }
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void setGraphicsFrame( IosSalFrame* pFrame ) { mpFrame = pFrame; }
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void ImplDrawPixel( long nX, long nY, const RGBAColor& ); // helper to draw single pixels
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bool CheckContext();
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CGContextRef GetContext();
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void UpdateWindow( CGRect& ); // delivered in UIView coordinates
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void RefreshRect( const CGRect& );
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void RefreshRect(float lX, float lY, float lWidth, float lHeight);
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void SetState();
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void UnsetState();
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// InvalidateContext does an UnsetState and sets mrContext to 0
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void InvalidateContext();
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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_uLong nPoints, const SalPoint* pPtAry );
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virtual void drawPolygon( sal_uLong nPoints, const SalPoint* pPtAry );
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virtual void drawPolyPolygon( sal_uLong nPoly, const sal_uLong* pPoints, PCONSTSALPOINT* pPtAry );
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virtual bool drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency );
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virtual sal_Bool drawPolyLineBezier( sal_uLong nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry );
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virtual sal_Bool drawPolygonBezier( sal_uLong nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry );
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virtual sal_Bool drawPolyPolygonBezier( sal_uLong nPoly, const sal_uLong* pPoints,
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const SalPoint* const* pPtAry, const sal_uInt8* const* pFlgAry );
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virtual bool drawPolyLine( const ::basegfx::B2DPolygon&, double fTransparency,
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const ::basegfx::B2DVector& rLineWidths, basegfx::B2DLineJoin );
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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_uLong 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_uLong nSize );
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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,
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long nHeight, sal_uInt8 nTransparency );
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CGPoint* makeCGptArray(sal_uLong nPoints, const SalPoint* pPtAry);
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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,
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ControlState nState, const ImplControlValue& aValue,
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const rtl::OUString& aCaption,
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Rectangle &rNativeBoundingRegion,
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Rectangle &rNativeContentRegion );
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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 bInvertOnly );
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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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virtual bool GetImplFontCapabilities(vcl::FontCapabilities &rFontCapabilities) 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,
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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* pFont,
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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);
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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 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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private:
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// differences between VCL, Quartz and kHiThemeOrientation coordinate systems
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// make some graphics seem to be vertically-mirrored from a VCL perspective
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bool IsFlipped() const { return mbWindow; };
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void ApplyXorContext();
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void Pattern50Fill();
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UInt32 getState( ControlState nState );
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UInt32 getTrackState( ControlState nState );
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bool GetRawFontData( const PhysicalFontFace* pFontData,
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std::vector<unsigned char>& rBuffer,
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bool* pJustCFF );
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};
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inline void IosSalGraphics::RefreshRect( const CGRect& rRect )
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{
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RefreshRect( rRect.origin.x, rRect.origin.y, rRect.size.width, rRect.size.height );
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}
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#endif // _VCL_IOS_SALGDI_H
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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