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Diffstat (limited to 'vcl/inc/salgdiimpl.hxx')
| -rw-r--r-- | vcl/inc/salgdiimpl.hxx | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/vcl/inc/salgdiimpl.hxx b/vcl/inc/salgdiimpl.hxx new file mode 100644 index 0000000000..fd3a13378b --- /dev/null +++ b/vcl/inc/salgdiimpl.hxx @@ -0,0 +1,225 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#ifndef INCLUDED_VCL_INC_SALGDIIMPL_HXX +#define INCLUDED_VCL_INC_SALGDIIMPL_HXX + +#include <vcl/dllapi.h> + +#include <tools/color.hxx> +#include <tools/poly.hxx> + +#include <vcl/salgtype.hxx> +#include <vcl/region.hxx> +#include <vcl/vclenum.hxx> + +#include <com/sun/star/drawing/LineCap.hpp> + +class SalGraphics; +class SalBitmap; +class SalFrame; +class Gradient; +class SalVirtualDevice; +struct SalGradient; + +/** +Implementation class for SalGraphics. + +This class allows having an implementation of drawing calls that is separate from SalGraphics, +and SalGraphics can forward all such calls to SalGraphicsImpl. For example X11SalGraphics +may internally use either Cairo-based X11CairoSalGraphicsImpl or Skia-based SkiaSalGraphicsImpl, +and the latter may be used also by other SalGraphics implementations. All the functions +here should be implementations of the relevant SalGraphics functions. +*/ +class VCL_PLUGIN_PUBLIC SalGraphicsImpl +{ + bool m_bAntiAlias; +public: + + void setAntiAlias(bool bNew) + { + m_bAntiAlias = bNew; + } + + bool getAntiAlias() const + { + return m_bAntiAlias; + } + + SalGraphicsImpl() + : m_bAntiAlias(false) + {} + + virtual ~SalGraphicsImpl(); + + // All the functions are implementations of functions from the SalGraphics class, + // so see the SalGraphics class for documentation (both uppercase and lowercase + // function variants). + + virtual void Init() = 0; + + virtual void DeInit() {} + + virtual void freeResources() = 0; + + virtual OUString getRenderBackendName() const = 0; + + virtual void setClipRegion( const vcl::Region& ) = 0; + + virtual sal_uInt16 GetBitCount() const = 0; + + virtual tools::Long GetGraphicsWidth() const = 0; + + virtual void ResetClipRegion() = 0; + + virtual void SetLineColor() = 0; + + virtual void SetLineColor( Color nColor ) = 0; + + virtual void SetFillColor() = 0; + + virtual void SetFillColor( Color nColor ) = 0; + + virtual void SetXORMode( bool bSet, bool bInvertOnly ) = 0; + + virtual void SetROPLineColor( SalROPColor nROPColor ) = 0; + + virtual void SetROPFillColor( SalROPColor nROPColor ) = 0; + + virtual void drawPixel( tools::Long nX, tools::Long nY ) = 0; + virtual void drawPixel( tools::Long nX, tools::Long nY, Color nColor ) = 0; + + virtual void drawLine( tools::Long nX1, tools::Long nY1, tools::Long nX2, tools::Long nY2 ) = 0; + + virtual void drawRect( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) = 0; + + virtual void drawPolyLine( sal_uInt32 nPoints, const Point* pPtAry ) = 0; + + virtual void drawPolygon( sal_uInt32 nPoints, const Point* pPtAry ) = 0; + + virtual void drawPolyPolygon( sal_uInt32 nPoly, const sal_uInt32* pPoints, const Point** pPtAry ) = 0; + + virtual void drawPolyPolygon( + const basegfx::B2DHomMatrix& rObjectToDevice, + const basegfx::B2DPolyPolygon&, + double fTransparency) = 0; + + virtual bool drawPolyLine( + const basegfx::B2DHomMatrix& rObjectToDevice, + const basegfx::B2DPolygon&, + double fTransparency, + double fLineWidth, + const std::vector< double >* pStroke, + basegfx::B2DLineJoin, + css::drawing::LineCap, + double fMiterMinimumAngle, + bool bPixelSnapHairline) = 0; + + virtual bool drawPolyLineBezier( + sal_uInt32 nPoints, + const Point* pPtAry, + const PolyFlags* pFlgAry ) = 0; + + virtual bool drawPolygonBezier( + sal_uInt32 nPoints, + const Point* pPtAry, + const PolyFlags* pFlgAry ) = 0; + + virtual bool drawPolyPolygonBezier( + sal_uInt32 nPoly, + const sal_uInt32* pPoints, + const Point* const* pPtAry, + const PolyFlags* const* pFlgAry ) = 0; + + virtual void copyArea( + tools::Long nDestX, tools::Long nDestY, + tools::Long nSrcX, tools::Long nSrcY, + tools::Long nSrcWidth, tools::Long nSrcHeight, + bool bWindowInvalidate ) = 0; + + virtual void copyBits( const SalTwoRect& rPosAry, SalGraphics* pSrcGraphics ) = 0; + + virtual void drawBitmap( const SalTwoRect& rPosAry, const SalBitmap& rSalBitmap ) = 0; + + virtual void drawBitmap( + const SalTwoRect& rPosAry, + const SalBitmap& rSalBitmap, + const SalBitmap& rMaskBitmap ) = 0; + + virtual void drawMask( + const SalTwoRect& rPosAry, + const SalBitmap& rSalBitmap, + Color nMaskColor ) = 0; + + virtual std::shared_ptr<SalBitmap> getBitmap( tools::Long nX, tools::Long nY, tools::Long nWidth, tools::Long nHeight ) = 0; + + virtual Color getPixel( tools::Long nX, tools::Long nY ) = 0; + + virtual void invert( + tools::Long nX, tools::Long nY, + tools::Long nWidth, tools::Long nHeight, + SalInvert nFlags) = 0; + + virtual void invert( sal_uInt32 nPoints, const Point* pPtAry, SalInvert nFlags ) = 0; + + virtual bool drawEPS( + tools::Long nX, tools::Long nY, + tools::Long nWidth, tools::Long nHeight, + void* pPtr, + sal_uInt32 nSize ) = 0; + + virtual bool blendBitmap( + const SalTwoRect&, + const SalBitmap& rBitmap ) = 0; + + virtual bool blendAlphaBitmap( + const SalTwoRect&, + const SalBitmap& rSrcBitmap, + const SalBitmap& rMaskBitmap, + const SalBitmap& rAlphaBitmap ) = 0; + + virtual bool drawAlphaBitmap( + const SalTwoRect&, + const SalBitmap& rSourceBitmap, + const SalBitmap& rAlphaBitmap ) = 0; + + virtual bool drawTransformedBitmap( + const basegfx::B2DPoint& rNull, + const basegfx::B2DPoint& rX, + const basegfx::B2DPoint& rY, + const SalBitmap& rSourceBitmap, + const SalBitmap* pAlphaBitmap, + double fAlpha) = 0; + + virtual bool hasFastDrawTransformedBitmap() const = 0; + + virtual bool drawAlphaRect( + tools::Long nX, tools::Long nY, + tools::Long nWidth, tools::Long nHeight, + sal_uInt8 nTransparency ) = 0; + + virtual bool drawGradient(const tools::PolyPolygon& rPolygon, const Gradient& rGradient) = 0; + virtual bool implDrawGradient(basegfx::B2DPolyPolygon const & rPolyPolygon, SalGradient const & rGradient) = 0; + + virtual bool supportsOperation(OutDevSupportType eType) const = 0; +}; + +#endif + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |