/* -*- 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 . */ #pragma once #include #include #include #include #include "cachedbitmap.hxx" #include "outdevprovider.hxx" namespace vclcanvas { class SpriteCanvas; /** Helper class for basic canvas functionality. Also offers optional backbuffer painting, when providing it with a second OutputDevice to render into. */ class CanvasHelper { public: /** Create canvas helper */ CanvasHelper(); /// make noncopyable CanvasHelper(const CanvasHelper&) = delete; const CanvasHelper& operator=(const CanvasHelper&) = delete; /// Release all references void disposing(); /** Initialize canvas helper This method late-initializes the canvas helper, providing it with the necessary device and output objects. Note that the CanvasHelper does not take ownership of the passed rDevice reference, nor does it perform any reference counting. Thus, to prevent the reference counted SpriteCanvas object from deletion, the user of this class is responsible for holding ref-counted references itself! @param rDevice Reference device this canvas is associated with @param rOutDev Set primary output device for this canvas. That's where all content is output to. @param bProtect When true, all output operations preserve outdev state. When false, outdev state might change at any time. @param bHaveAlpha When true, hasAlpha() will always return true, otherwise, false. */ void init( css::rendering::XGraphicDevice& rDevice, const OutDevProviderSharedPtr& rOutDev, bool bProtect, bool bHaveAlpha ); /** Set primary output device This changes the primary output device, where rendering is sent to. */ void setOutDev( const OutDevProviderSharedPtr& rOutDev, bool bProtect); /** Set secondary output device Used for sprites, to generate mask bitmap. */ void setBackgroundOutDev( const OutDevProviderSharedPtr& rOutDev ); // CanvasHelper functionality // ========================== // XCanvas (only providing, not implementing the // interface. Also note subtle method parameter differences) void clear(); void drawLine( const css::rendering::XCanvas* rCanvas, const css::geometry::RealPoint2D& aStartPoint, const css::geometry::RealPoint2D& aEndPoint, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState ); void drawBezier( const css::rendering::XCanvas* rCanvas, const css::geometry::RealBezierSegment2D& aBezierSegment, const css::geometry::RealPoint2D& aEndPoint, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState ); css::uno::Reference< css::rendering::XCachedPrimitive > drawPolyPolygon( const css::rendering::XCanvas* rCanvas, const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState ); css::uno::Reference< css::rendering::XCachedPrimitive > strokePolyPolygon( const css::rendering::XCanvas* rCanvas, const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState, const css::rendering::StrokeAttributes& strokeAttributes ); css::uno::Reference< css::rendering::XCachedPrimitive > strokeTexturedPolyPolygon( const css::rendering::XCanvas* rCanvas, const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState, const css::uno::Sequence< css::rendering::Texture >& textures, const css::rendering::StrokeAttributes& strokeAttributes ); css::uno::Reference< css::rendering::XCachedPrimitive > strokeTextureMappedPolyPolygon( const css::rendering::XCanvas* rCanvas, const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState, const css::uno::Sequence< css::rendering::Texture >& textures, const css::uno::Reference< css::geometry::XMapping2D >& xMapping, const css::rendering::StrokeAttributes& strokeAttributes ); css::uno::Reference< css::rendering::XPolyPolygon2D > queryStrokeShapes( const css::rendering::XCanvas* rCanvas, const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState, const css::rendering::StrokeAttributes& strokeAttributes ); css::uno::Reference< css::rendering::XCachedPrimitive > fillPolyPolygon( const css::rendering::XCanvas* rCanvas, const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState ); css::uno::Reference< css::rendering::XCachedPrimitive > fillTexturedPolyPolygon( const css::rendering::XCanvas* rCanvas, const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState, const css::uno::Sequence< css::rendering::Texture >& textures ); css::uno::Reference< css::rendering::XCachedPrimitive > fillTextureMappedPolyPolygon( const css::rendering::XCanvas* rCanvas, const css::uno::Reference< css::rendering::XPolyPolygon2D >& xPolyPolygon, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState, const css::uno::Sequence< css::rendering::Texture >& textures, const css::uno::Reference< css::geometry::XMapping2D >& xMapping ); css::uno::Reference< css::rendering::XCanvasFont > createFont( const css::rendering::XCanvas* rCanvas, const css::rendering::FontRequest& fontRequest, const css::uno::Sequence< css::beans::PropertyValue >& extraFontProperties, const css::geometry::Matrix2D& fontMatrix ); css::uno::Sequence< css::rendering::FontInfo > queryAvailableFonts( const css::rendering::XCanvas* rCanvas, const css::rendering::FontInfo& aFilter, const css::uno::Sequence< css::beans::PropertyValue >& aFontProperties ); css::uno::Reference< css::rendering::XCachedPrimitive > drawText( const css::rendering::XCanvas* rCanvas, const css::rendering::StringContext& text, const css::uno::Reference< css::rendering::XCanvasFont >& xFont, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState, sal_Int8 textDirection ); css::uno::Reference< css::rendering::XCachedPrimitive > drawTextLayout( const css::rendering::XCanvas* rCanvas, const css::uno::Reference< css::rendering::XTextLayout >& laidOutText, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState ); css::uno::Reference< css::rendering::XCachedPrimitive > drawBitmap( const css::rendering::XCanvas* rCanvas, const css::uno::Reference< css::rendering::XBitmap >& xBitmap, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState ); css::uno::Reference< css::rendering::XCachedPrimitive > drawBitmapModulated( const css::rendering::XCanvas* rCanvas, const css::uno::Reference< css::rendering::XBitmap >& xBitmap, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState ); // cast away const, need to change refcount (as this is // ~invisible to client code, still logically const) css::uno::Reference< css::rendering::XGraphicDevice > getDevice() { return css::uno::Reference< css::rendering::XGraphicDevice >(mpDevice); } // BitmapCanvasHelper functionality // ================================ css::geometry::IntegerSize2D getSize(); css::uno::Reference< css::rendering::XBitmap > getScaledBitmap( const css::geometry::RealSize2D& newSize, bool beFast ); css::uno::Sequence< sal_Int8 > getData( css::rendering::IntegerBitmapLayout& bitmapLayout, const css::geometry::IntegerRectangle2D& rect ); css::uno::Sequence< sal_Int8 > getPixel( css::rendering::IntegerBitmapLayout& bitmapLayout, const css::geometry::IntegerPoint2D& pos ); css::rendering::IntegerBitmapLayout getMemoryLayout(); /// Repaint a cached bitmap bool repaint( const GraphicObjectSharedPtr& rGrf, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState, const ::Point& rPt, const ::Size& rSz, const GraphicAttr& rAttr ) const; /** Flush drawing queue. This only works for Window canvases, and ensures that all pending render operations are flushed to the driver/hardware. */ void flush() const; enum ColorType { LINE_COLOR, FILL_COLOR, TEXT_COLOR, IGNORE_COLOR }; // returns alpha of color int setupOutDevState( const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState, ColorType eColorType ) const; bool hasAlpha() const { return mbHaveAlpha; } protected: /** Phyical output device Deliberately not a refcounted reference, because of potential circular references for spritecanvas. */ css::rendering::XGraphicDevice* mpDevice; /// Rendering to this outdev preserves its state OutDevProviderSharedPtr mpProtectedOutDevProvider; /// Rendering to this outdev does not preserve its state OutDevProviderSharedPtr mpOutDevProvider; /// Rendering to this outdev does not preserve its state OutDevProviderSharedPtr mp2ndOutDevProvider; /// When true, content is able to represent alpha bool mbHaveAlpha; private: css::uno::Reference< css::rendering::XCachedPrimitive > implDrawBitmap( const css::rendering::XCanvas* rCanvas, const css::uno::Reference< css::rendering::XBitmap >& xBitmap, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState, bool bModulateColors ); bool setupTextOutput( ::Point& o_rOutPos, const css::rendering::ViewState& viewState, const css::rendering::RenderState& renderState, const css::uno::Reference< css::rendering::XCanvasFont >& xFont ) const; }; } /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ LibreOffice 核心代码仓库文档基金会
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path: root/sc/inc/dpoutput.hxx
AgeCommit message (Expand)Author
2021-03-23tdf#124176 Use pragma once in s*Vincent LE GARREC
2020-11-27tdf#42949 Fix new IWYU warnings in directory sc/Gabor Kelemen
2020-10-30convert some tools::Long->sal_Int32Noel
2020-10-20use tools::Long in scNoel
2020-05-09compact namespace in scNoel Grandin
2020-03-12Revert "loplugin:constfields in sc"Noel Grandin