/* -*- 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_CANVAS_SOURCE_VCL_SPRITECANVAS_HXX #define INCLUDED_CANVAS_SOURCE_VCL_SPRITECANVAS_HXX #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include "spritecanvashelper.hxx" #include "impltools.hxx" #include "spritedevicehelper.hxx" #include "repainttarget.hxx" namespace vclcanvas { typedef ::cppu::WeakComponentImplHelper< css::rendering::XSpriteCanvas, css::rendering::XIntegerBitmap, css::rendering::XGraphicDevice, css::lang::XMultiServiceFactory, css::rendering::XBufferController, css::awt::XWindowListener, css::util::XUpdatable, css::beans::XPropertySet, css::lang::XServiceName > WindowGraphicDeviceBase_Base; typedef ::canvas::BufferedGraphicDeviceBase< ::canvas::DisambiguationHelper< WindowGraphicDeviceBase_Base >, SpriteDeviceHelper, tools::LocalGuard, ::cppu::OWeakObject > SpriteCanvasBase_Base; /** Mixin SpriteSurface Have to mixin the SpriteSurface before deriving from ::canvas::SpriteCanvasBase, as this template should already implement some of those interface methods. The reason why this appears kinda convoluted is the fact that we cannot specify non-IDL types as WeakComponentImplHelper template args, and furthermore, don't want to derive ::canvas::SpriteCanvasBase directly from ::canvas::SpriteSurface (because derivees of ::canvas::SpriteCanvasBase have to explicitly forward the XInterface methods (e.g. via DECLARE_UNO3_AGG_DEFAULTS) anyway). Basically, ::canvas::CanvasCustomSpriteBase should remain a base class that provides implementation, not to enforce any specific interface on its derivees. */ class SpriteCanvasBaseSpriteSurface_Base : public SpriteCanvasBase_Base, public ::canvas::SpriteSurface { }; typedef ::canvas::SpriteCanvasBase< SpriteCanvasBaseSpriteSurface_Base, SpriteCanvasHelper, tools::LocalGuard, ::cppu::OWeakObject > SpriteCanvasBaseT; /** Product of this component's factory. The SpriteCanvas object combines the actual Window canvas with the XGraphicDevice interface. This is because there's a one-to-one relation between them, anyway, since each window can have exactly one canvas and one associated XGraphicDevice. And to avoid messing around with circular references, this is implemented as one single object. */ class SpriteCanvas : public SpriteCanvasBaseT, public RepaintTarget { public: SpriteCanvas( const css::uno::Sequence< css::uno::Any >& aArguments, const css::uno::Reference< css::uno::XComponentContext >& rxContext ); void initialize(); /// For resource tracking virtual ~SpriteCanvas() override; /// Dispose all internal references virtual void disposeThis() override; // Forwarding the XComponent implementation to the // cppu::ImplHelper templated base // Classname Base doing refcounting Base implementing the XComponent interface // | | | // V V V DECLARE_UNO3_XCOMPONENT_AGG_DEFAULTS( SpriteCanvas, WindowGraphicDeviceBase_Base, ::cppu::WeakComponentImplHelperBase ) // XBufferController (partial) virtual sal_Bool SAL_CALL showBuffer( sal_Bool bUpdateAll ) override; virtual sal_Bool SAL_CALL switchBuffer( sal_Bool bUpdateAll ) override; // XSpriteCanvas (partial) virtual sal_Bool SAL_CALL updateScreen( sal_Bool bUpdateAll ) override; // XServiceName virtual OUString SAL_CALL getServiceName( ) override; // RepaintTarget virtual 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 override; /// Get backbuffer for this canvas OutDevProviderSharedPtr const & getFrontBuffer() const { return maDeviceHelper.getOutDev(); } /// Get window for this canvas BackBufferSharedPtr const & getBackBuffer() const { return maDeviceHelper.getBackBuffer(); } private: css::uno::Sequence< css::uno::Any > maArguments; }; typedef ::rtl::Reference< SpriteCanvas > SpriteCanvasRef; typedef ::rtl::Reference< SpriteCanvas > DeviceRef; } #endif /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ ion> LibreOffice 核心代码仓库文档基金会
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