226 lines
7.6 KiB
C++
226 lines
7.6 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#ifndef INCLUDED_VCL_INC_SALGDIIMPL_HXX
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#define INCLUDED_VCL_INC_SALGDIIMPL_HXX
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#include <vcl/dllapi.h>
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#include <tools/color.hxx>
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#include <tools/poly.hxx>
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#include <vcl/salgtype.hxx>
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#include <vcl/region.hxx>
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#include <vcl/vclenum.hxx>
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#include <com/sun/star/drawing/LineCap.hpp>
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class SalGraphics;
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class SalBitmap;
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class SalFrame;
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class Gradient;
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class SalVirtualDevice;
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struct SalGradient;
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/**
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Implementation class for SalGraphics.
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This class allows having an implementation of drawing calls that is separate from SalGraphics,
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and SalGraphics can forward all such calls to SalGraphicsImpl. For example X11SalGraphics
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may internally use either Cairo-based X11CairoSalGraphicsImpl or Skia-based SkiaSalGraphicsImpl,
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and the latter may be used also by other SalGraphics implementations. All the functions
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here should be implementations of the relevant SalGraphics functions.
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*/
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class VCL_PLUGIN_PUBLIC SalGraphicsImpl
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{
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bool m_bAntiAlias;
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public:
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void setAntiAlias(bool bNew)
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{
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m_bAntiAlias = bNew;
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}
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bool getAntiAlias() const
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{
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return m_bAntiAlias;
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}
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SalGraphicsImpl()
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: m_bAntiAlias(false)
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{}
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virtual ~SalGraphicsImpl();
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// All the functions are implementations of functions from the SalGraphics class,
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// so see the SalGraphics class for documentation (both uppercase and lowercase
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// function variants).
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/// Only used by the X11SkiaSalGraphicsImpl backend
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virtual void UpdateX11GeometryProvider() {}
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virtual void DeInit() {}
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virtual OUString getRenderBackendName() const = 0;
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virtual void setClipRegion( const vcl::Region& ) = 0;
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virtual sal_uInt16 GetBitCount() const = 0;
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virtual tools::Long GetGraphicsWidth() const = 0;
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virtual void ResetClipRegion() = 0;
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virtual void SetLineColor() = 0;
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virtual void SetLineColor( Color nColor ) = 0;
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virtual void SetFillColor() = 0;
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virtual void SetFillColor( Color nColor ) = 0;
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virtual void SetXORMode( bool bSet, bool bInvertOnly ) = 0;
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virtual void SetROPLineColor( SalROPColor nROPColor ) = 0;
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virtual void SetROPFillColor( SalROPColor nROPColor ) = 0;
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virtual void drawPixel( tools::Long nX, tools::Long nY ) = 0;
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virtual void drawPixel( tools::Long nX, tools::Long nY, Color nColor ) = 0;
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virtual void drawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2 ) = 0;
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virtual void drawRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) = 0;
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virtual void drawPolyLine( sal_uInt32 nPoints, const Point* pPtAry ) = 0;
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virtual void drawPolygon( sal_uInt32 nPoints, const Point* pPtAry ) = 0;
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virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, const Point** pPtAry ) = 0;
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virtual void drawPolyPolygon(
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const basegfx::B2DHomMatrix& rObjectToDevice,
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const basegfx::B2DPolyPolygon&,
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double fTransparency) = 0;
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virtual bool drawPolyLine(
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const basegfx::B2DHomMatrix& rObjectToDevice,
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const basegfx::B2DPolygon&,
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double fTransparency,
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double fLineWidth,
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const std::vector< double >* pStroke,
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basegfx::B2DLineJoin,
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css::drawing::LineCap,
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double fMiterMinimumAngle,
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bool bPixelSnapHairline) = 0;
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virtual bool drawPolyLineBezier(
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sal_uInt32 nPoints,
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const Point* pPtAry,
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const PolyFlags* pFlgAry ) = 0;
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virtual bool drawPolygonBezier(
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sal_uInt32 nPoints,
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const Point* pPtAry,
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const PolyFlags* pFlgAry ) = 0;
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virtual bool drawPolyPolygonBezier(
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sal_uInt32 nPoly,
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const sal_uInt32* pPoints,
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const Point* const* pPtAry,
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const PolyFlags* const* pFlgAry ) = 0;
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virtual void copyArea(
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tools::Long nDestX, tools::Long nDestY,
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tools::Long nSrcX, tools::Long nSrcY,
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tools::Long nSrcWidth, tools::Long nSrcHeight,
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bool bWindowInvalidate ) = 0;
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virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) = 0;
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virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) = 0;
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virtual void drawBitmap(
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const SalTwoRect& rPosAry,
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const SalBitmap& rSalBitmap,
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const SalBitmap& rMaskBitmap ) = 0;
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virtual void drawMask(
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const SalTwoRect& rPosAry,
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const SalBitmap& rSalBitmap,
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Color nMaskColor ) = 0;
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virtual std::shared_ptr<SalBitmap> getBitmap( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) = 0;
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virtual Color getPixel( tools::Long nX, tools::Long nY ) = 0;
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virtual void invert(
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tools::Long nX, tools::Long nY,
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tools::Long nWidth, tools::Long nHeight,
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SalInvert nFlags) = 0;
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virtual void invert( sal_uInt32 nPoints, const Point* pPtAry, SalInvert nFlags ) = 0;
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/// Only implemented by the macOS Quartz backend and the MS-Windows GDI backend.
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virtual bool drawEPS(
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tools::Long /*nX*/, tools::Long /*nY*/,
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tools::Long /*nWidth*/, tools::Long /*nHeight*/,
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void* /*pPtr*/,
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sal_uInt32 /*nSize*/ ) { return false; }
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virtual bool blendBitmap(
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const SalTwoRect&,
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const SalBitmap& rBitmap ) = 0;
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virtual bool blendAlphaBitmap(
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const SalTwoRect&,
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const SalBitmap& rSrcBitmap,
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const SalBitmap& rMaskBitmap,
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const SalBitmap& rAlphaBitmap ) = 0;
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virtual bool drawAlphaBitmap(
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const SalTwoRect&,
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const SalBitmap& rSourceBitmap,
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const SalBitmap& rAlphaBitmap ) = 0;
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virtual bool drawTransformedBitmap(
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const basegfx::B2DPoint& rNull,
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const basegfx::B2DPoint& rX,
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const basegfx::B2DPoint& rY,
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const SalBitmap& rSourceBitmap,
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const SalBitmap* pAlphaBitmap,
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double fAlpha) = 0;
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/// Only currently true for SkiaSalGraphicsImpl
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virtual bool hasFastDrawTransformedBitmap() const { return false; }
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virtual bool drawAlphaRect(
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tools::Long nX, tools::Long nY,
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tools::Long nWidth, tools::Long nHeight,
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sal_uInt8 nTransparency ) = 0;
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virtual bool drawGradient(const tools::PolyPolygon& rPolygon, const Gradient& rGradient) = 0;
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virtual bool implDrawGradient(basegfx::B2DPolyPolygon const & rPolyPolygon, SalGradient const & rGradient) = 0;
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virtual bool supportsOperation(OutDevSupportType eType) const = 0;
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};
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#endif
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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