474 lines
25 KiB
C++
474 lines
25 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_HXX
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#define _SV_SALGDI_HXX
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#include "tools/solar.h"
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#include "vcl/dllapi.h"
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#include "vcl/salgtype.hxx"
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#include "osl/thread.hxx"
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#include "vcl/outdev.hxx"
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#include "vcl/salnativewidgets.hxx"
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#include "sallayout.hxx"
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#include <map>
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namespace rtl
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{
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class OUString;
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}
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class ImplDevFontList;
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class SalBitmap;
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class FontSelectPattern;
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class ImplFontMetricData;
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struct ImplKernPairData;
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class PhysicalFontFace;
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class ImplFontCharMap;
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class SalLayout;
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class ImplLayoutArgs;
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class Rectangle;
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class FontSubsetInfo;
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class OutputDevice;
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class ServerFontLayout;
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struct SystemGraphicsData;
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struct SystemFontData;
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namespace basegfx {
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class B2DVector;
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class B2DPolygon;
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class B2DPolyPolygon;
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}
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// ---------------------
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// - SalGraphics-Codes -
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// ---------------------
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#define SAL_SETFONT_REMOVEANDMATCHNEW ((sal_uInt16)0x0001)
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#define SAL_SETFONT_USEDRAWTEXT ((sal_uInt16)0x0002)
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#define SAL_SETFONT_USEDRAWTEXTARRAY ((sal_uInt16)0x0004)
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#define SAL_SETFONT_UNICODE ((sal_uInt16)0x0008)
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#define SAL_SETFONT_BADFONT ((sal_uInt16)0x1000)
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#define SAL_COPYAREA_WINDOWINVALIDATE ((sal_uInt16)0x0001)
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// -------------------
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// - common typedefs -
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// -------------------
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typedef sal_Unicode sal_Ucs; // TODO: use sal_UCS4 instead of sal_Unicode
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typedef std::map< sal_Ucs, sal_Int32 > Ucs2SIntMap;
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typedef std::map< sal_Ucs, sal_uInt32 > Ucs2UIntMap;
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typedef std::map< sal_Ucs, rtl::OString > Ucs2OStrMap;
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typedef std::vector< sal_Int32 > Int32Vector;
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// ---------------
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// - SalGraphics -
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// ---------------
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// note: if you add any new methods to class SalGraphics using coordinates
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// make sure they have a corresponding protected pure virtual method
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// which has to be implemented by the platform dependent part.
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// Add a method that performs coordinate mirroring if required, (see
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// existing methods as sample) and then calls the equivalent pure method.
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// note: all positions are in pixel and relative to
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// the top/left-position of the virtual output area
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class VCL_PLUGIN_PUBLIC SalGraphics
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{
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int m_nLayout; // 0: mirroring off, 1: mirror x-axis
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protected:
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// flags which hold the SetAntialiasing() value from OutputDevice
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bool m_bAntiAliasB2DDraw;
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public:
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// get/set AA
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void setAntiAliasB2DDraw(bool bNew) { m_bAntiAliasB2DDraw = bNew; }
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bool getAntiAliasB2DDraw() const { return m_bAntiAliasB2DDraw; }
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SalGraphics();
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virtual ~SalGraphics();
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protected:
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virtual bool setClipRegion( const Region& ) = 0;
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// draw --> LineColor and FillColor and RasterOp and ClipRegion
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virtual void drawPixel( long nX, long nY ) = 0;
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virtual void drawPixel( long nX, long nY, SalColor nSalColor ) = 0;
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virtual void drawLine( long nX1, long nY1, long nX2, long nY2 ) = 0;
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virtual void drawRect( long nX, long nY, long nWidth, long nHeight ) = 0;
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virtual void drawPolyLine( sal_uLong nPoints, const SalPoint* pPtAry ) = 0;
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virtual void drawPolygon( sal_uLong nPoints, const SalPoint* pPtAry ) = 0;
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virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, PCONSTSALPOINT* pPtAry ) = 0;
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virtual bool drawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency ) = 0;
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virtual bool drawPolyLine( const ::basegfx::B2DPolygon&, double fTransparency, const ::basegfx::B2DVector& rLineWidths, basegfx::B2DLineJoin ) = 0;
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virtual sal_Bool drawPolyLineBezier( sal_uLong nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ) = 0;
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virtual sal_Bool drawPolygonBezier( sal_uLong nPoints, const SalPoint* pPtAry, const sal_uInt8* pFlgAry ) = 0;
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virtual sal_Bool drawPolyPolygonBezier( sal_uInt32 nPoly, const sal_uInt32* pPoints, const SalPoint* const* pPtAry, const sal_uInt8* const* pFlgAry ) = 0;
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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 ) = 0;
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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 ) = 0;
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virtual void drawBitmap( const SalTwoRect* pPosAry, const SalBitmap& rSalBitmap ) = 0;
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virtual void drawBitmap( const SalTwoRect* pPosAry,
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const SalBitmap& rSalBitmap,
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SalColor nTransparentColor ) = 0;
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virtual void drawBitmap( const SalTwoRect* pPosAry,
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const SalBitmap& rSalBitmap,
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const SalBitmap& rMaskBitmap ) = 0;
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virtual void drawMask( const SalTwoRect* pPosAry,
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const SalBitmap& rSalBitmap,
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SalColor nMaskColor ) = 0;
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virtual SalBitmap* getBitmap( long nX, long nY, long nWidth, long nHeight ) = 0;
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virtual SalColor getPixel( long nX, long nY ) = 0;
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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) = 0;
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virtual void invert( sal_uLong nPoints, const SalPoint* pPtAry, SalInvert nFlags ) = 0;
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virtual sal_Bool drawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, sal_uLong nSize ) = 0;
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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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/** Render bitmap with alpha channel
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@param rSourceBitmap
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Source bitmap to blit
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@param rAlphaBitmap
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Alpha channel to use for blitting
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@return true, if the operation succeeded, and false
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otherwise. In this case, clients should try to emulate alpha
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compositing themselves
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*/
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virtual bool drawAlphaBitmap( const SalTwoRect&,
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const SalBitmap& rSourceBitmap,
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const SalBitmap& rAlphaBitmap ) = 0;
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/** Render solid rectangle with given transparency
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@param nTransparency
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Transparency value (0-255) to use. 0 blits and opaque, 255 a
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fully transparent rectangle
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*/
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virtual bool drawAlphaRect( long nX, long nY, long nWidth, long nHeight, sal_uInt8 nTransparency ) = 0;
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public:
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// public SalGraphics methods, the interface to the independent vcl part
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// get device resolution
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virtual void GetResolution( sal_Int32& rDPIX, sal_Int32& rDPIY ) = 0;
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// get the depth of the device
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virtual sal_uInt16 GetBitCount() const = 0;
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// get the width of the device
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virtual long GetGraphicsWidth() const = 0;
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// set the clip region to empty
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virtual void ResetClipRegion() = 0;
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// set the line color to transparent (= don't draw lines)
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virtual void SetLineColor() = 0;
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// set the line color to a specific color
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virtual void SetLineColor( SalColor nSalColor ) = 0;
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// set the fill color to transparent (= don't fill)
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virtual void SetFillColor() = 0;
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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 ) = 0;
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// enable/disable XOR drawing
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virtual void SetXORMode( bool bSet, bool bInvertOnly ) = 0;
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// set line color for raster operations
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virtual void SetROPLineColor( SalROPColor nROPColor ) = 0;
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// set fill color for raster operations
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virtual void SetROPFillColor( SalROPColor nROPColor ) = 0;
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// set the text color to a specific color
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virtual void SetTextColor( SalColor nSalColor ) = 0;
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// set the font
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virtual sal_uInt16 SetFont( FontSelectPattern*, int nFallbackLevel ) = 0;
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// release the fonts
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void ReleaseFonts() { SetFont( NULL, 0 ); }
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// get the current font's metrics
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virtual void GetFontMetric( ImplFontMetricData*, int nFallbackLevel = 0 ) = 0;
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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 nMaxPairCount, ImplKernPairData* ) = 0;
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// get the repertoire of the current font
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virtual const ImplFontCharMap* GetImplFontCharMap() const = 0;
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// get the layout capabilities of the current font
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virtual bool GetImplFontCapabilities(vcl::FontCapabilities &rFontCapabilities) const = 0;
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// graphics must fill supplied font list
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virtual void GetDevFontList( ImplDevFontList* ) = 0;
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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* ) = 0;
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virtual bool AddTempDevFont( ImplDevFontList*, const rtl::OUString& rFileURL, const rtl::OUString& rFontName ) = 0;
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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 sal_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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sal_Int32* 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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) = 0;
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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 ) = 0;
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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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// pUnicodes: contains the Unicodes assigned to
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// code points 0 to 255; must contain at least 256 members
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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* pFont,
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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 ) = 0;
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// frees the font data again
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virtual void FreeEmbedFontData( const void* pData, long nDataLen ) = 0;
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// get the same widths as in CreateFontSubset and GetEmbedFontData
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// in case of an embeddable font also fill the mapping
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// between unicode and glyph id
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// leave widths vector and mapping untouched in case of failure
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virtual void GetGlyphWidths( const PhysicalFontFace* pFont,
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bool bVertical,
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Int32Vector& rWidths,
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Ucs2UIntMap& rUnicodeEnc ) = 0;
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virtual sal_Bool GetGlyphBoundRect( sal_GlyphId nIndex, Rectangle& ) = 0;
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virtual sal_Bool GetGlyphOutline( sal_GlyphId nIndex, basegfx::B2DPolyPolygon& ) = 0;
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virtual SalLayout* GetTextLayout( ImplLayoutArgs&, int nFallbackLevel ) = 0;
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virtual void DrawServerFontLayout( const ServerFontLayout& ) = 0;
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/** Filter text from DrawText commands in a device specific manner
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<p>
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This function allows a device (or rather the corresponding SalGraphics
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implementation) to prevent text portions from being drawn. This currently
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is used only for filtering out the fax number in a document that is printed
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to one of psprint's specialized "fax" printers.
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</p>
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@param rOrigText
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The original text
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@param rNewText
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A String that will be filled with the adjusted version
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@param nIndex
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The index inside <code>rOrigText</code> that marks the first draw character
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@param rLen
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in: length of text beginning at <code>nIndex</code> to be drawn
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out: length of <code>rNewText</code> containing the substituted text
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@param rCutStart
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out: index at which the cutout portion of <code>rOrigText</code> begins
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@param rCutStop
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out: index at which the cutout portion of <code>rOrigText</code> ends
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@returns
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true: a substitution has taken place and rNewText rLen, rCutStart and rCutStop have been filled accordingly
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false: no substitution has taken place, rNewText, rLen, rCutStart, rCutStop remain unchanged
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*/
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virtual bool filterText( const rtl::OUString& rOrigText, rtl::OUString& rNewText, xub_StrLen nIndex, xub_StrLen& rLen, xub_StrLen& rCutStart, xub_StrLen& rCutStop );
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virtual bool supportsOperation( OutDevSupportType ) const = 0;
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// mirroring specifica
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int GetLayout() { return m_nLayout; }
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void SetLayout( int aLayout ) { m_nLayout = aLayout;}
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void mirror( long& nX, const OutputDevice *pOutDev, bool bBack = false ) const;
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void mirror( long& nX, long& nWidth, const OutputDevice *pOutDev, bool bBack = false ) const;
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sal_Bool mirror( sal_uInt32 nPoints, const SalPoint *pPtAry, SalPoint *pPtAry2, const OutputDevice *pOutDev, bool bBack = false ) const;
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void mirror( Rectangle& rRect, const OutputDevice*, bool bBack = false ) const;
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void mirror( Region& rRgn, const OutputDevice *pOutDev, bool bBack = false ) const;
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void mirror( ImplControlValue&, const OutputDevice*, bool bBack = false ) const;
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basegfx::B2DPoint mirror( const basegfx::B2DPoint& i_rPoint, const OutputDevice *pOutDev, bool bBack = false ) const;
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basegfx::B2DPolygon mirror( const basegfx::B2DPolygon& i_rPoly, const OutputDevice *pOutDev, bool bBack = false ) const;
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basegfx::B2DPolyPolygon mirror( const basegfx::B2DPolyPolygon& i_rPoly, const OutputDevice *pOutDev, bool bBack = false ) const;
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// non virtual methods; these do possible coordinate mirroring and
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// then delegate to protected virtual methods
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bool SetClipRegion( const Region&, const OutputDevice *pOutDev );
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// draw --> LineColor and FillColor and RasterOp and ClipRegion
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void DrawPixel( long nX, long nY, const OutputDevice *pOutDev );
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void DrawPixel( long nX, long nY, SalColor nSalColor, const OutputDevice *pOutDev );
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void DrawLine( long nX1, long nY1, long nX2, long nY2, const OutputDevice *pOutDev );
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void DrawRect( long nX, long nY, long nWidth, long nHeight, const OutputDevice *pOutDev );
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void DrawPolyLine( sal_uLong nPoints, const SalPoint* pPtAry, const OutputDevice *pOutDev );
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void DrawPolygon( sal_uLong nPoints, const SalPoint* pPtAry, const OutputDevice *pOutDev );
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void DrawPolyPolygon( sal_uInt32 nPoly,
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const sal_uInt32* pPoints,
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PCONSTSALPOINT* pPtAry,
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const OutputDevice *pOutDev );
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bool DrawPolyPolygon( const ::basegfx::B2DPolyPolygon&, double fTransparency, const OutputDevice* );
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bool DrawPolyLine( const basegfx::B2DPolygon&, double fTransparency, const basegfx::B2DVector& rLineWidths, basegfx::B2DLineJoin, const OutputDevice* );
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sal_Bool DrawPolyLineBezier( sal_uLong nPoints,
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const SalPoint* pPtAry,
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const sal_uInt8* pFlgAry,
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const OutputDevice *pOutDev );
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sal_Bool DrawPolygonBezier( sal_uLong nPoints,
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const SalPoint* pPtAry,
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const sal_uInt8* pFlgAry,
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const OutputDevice *pOutDev );
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sal_Bool DrawPolyPolygonBezier( sal_uInt32 nPoly,
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const sal_uInt32* pPoints,
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const SalPoint* const* pPtAry,
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const sal_uInt8* const* pFlgAry,
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const OutputDevice *pOutDev );
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// CopyArea --> No RasterOp, but ClipRegion
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void CopyArea( long nDestX,
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long nDestY,
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long nSrcX,
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long nSrcY,
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long nSrcWidth,
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long nSrcHeight,
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sal_uInt16 nFlags,
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const OutputDevice *pOutDev );
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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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void CopyBits( const SalTwoRect* pPosAry,
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SalGraphics* pSrcGraphics,
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const OutputDevice *pOutDev,
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const OutputDevice *pSrcOutDev );
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void DrawBitmap( const SalTwoRect* pPosAry,
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const SalBitmap& rSalBitmap,
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const OutputDevice *pOutDev );
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void DrawBitmap( const SalTwoRect* pPosAry,
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const SalBitmap& rSalBitmap,
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const SalBitmap& rTransparentBitmap,
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const OutputDevice *pOutDev );
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void DrawMask( const SalTwoRect* pPosAry,
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const SalBitmap& rSalBitmap,
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SalColor nMaskColor,
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const OutputDevice *pOutDev );
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SalBitmap* GetBitmap( long nX, long nY, long nWidth, long nHeight, const OutputDevice *pOutDev );
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SalColor GetPixel( long nX, long nY, const OutputDevice *pOutDev );
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// invert --> ClipRegion (only Windows)
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void Invert( long nX, long nY, long nWidth, long nHeight, SalInvert nFlags, const OutputDevice *pOutDev );
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void Invert( sal_uLong nPoints, const SalPoint* pPtAry, SalInvert nFlags, const OutputDevice *pOutDev );
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sal_Bool DrawEPS( long nX, long nY, long nWidth, long nHeight, void* pPtr, sal_uLong nSize, const OutputDevice *pOutDev );
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//-------------------------------------
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// Native Widget Rendering functions
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//-------------------------------------
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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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// Query the native control to determine if it was acted upon
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sal_Bool HitTestNativeControl( ControlType nType,
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ControlPart nPart,
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const Rectangle& rControlRegion,
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const Point& aPos,
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sal_Bool& rIsInside,
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const OutputDevice *pOutDev );
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// Request rendering of a particular control and/or part
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sal_Bool DrawNativeControl( ControlType nType,
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ControlPart nPart,
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const Rectangle& rControlRegion,
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ControlState nState,
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const ImplControlValue& aValue,
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const rtl::OUString& aCaption,
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const OutputDevice *pOutDev );
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// Query the native control's actual drawing region (including adornment)
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sal_Bool GetNativeControlRegion( ControlType nType,
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ControlPart nPart,
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const Rectangle& rControlRegion,
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ControlState nState,
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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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const OutputDevice *pOutDev );
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bool DrawAlphaBitmap( const SalTwoRect&,
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const SalBitmap& rSourceBitmap,
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const SalBitmap& rAlphaBitmap,
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const OutputDevice *pOutDev );
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bool DrawAlphaRect( long nX, long nY, long nWidth, long nHeight,
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sal_uInt8 nTransparency, const OutputDevice *pOutDev );
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virtual SystemGraphicsData GetGraphicsData() const = 0;
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virtual SystemFontData GetSysFontData( int nFallbacklevel ) const = 0;
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};
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#endif // _SV_SALGDI_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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