118 lines
5.3 KiB
C++
118 lines
5.3 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_CANVAS_BASE_CACHEDPRIMITIVEBASE_HXX
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#define INCLUDED_CANVAS_BASE_CACHEDPRIMITIVEBASE_HXX
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#include <com/sun/star/uno/Reference.hxx>
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#include <com/sun/star/lang/XServiceInfo.hpp>
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#include <com/sun/star/rendering/XCanvas.hpp>
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#include <com/sun/star/rendering/XCachedPrimitive.hpp>
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#include <com/sun/star/rendering/ViewState.hpp>
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#include <cppuhelper/compbase2.hxx>
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#include <comphelper/broadcasthelper.hxx>
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#include <canvas/canvastoolsdllapi.h>
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/* Definition of CachedPrimitiveBase class */
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namespace canvas
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{
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typedef ::cppu::WeakComponentImplHelper2< ::com::sun::star::rendering::XCachedPrimitive,
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::com::sun::star::lang::XServiceInfo > CachedPrimitiveBase_Base;
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/** Base class, providing common functionality for implementers of
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the XCachedPrimitive interface.
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*/
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class CANVASTOOLS_DLLPUBLIC CachedPrimitiveBase:
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public comphelper::OBaseMutex, public CachedPrimitiveBase_Base
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{
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public:
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/** Create an XCachedPrimitive for given target canvas
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@param rUsedViewState
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The viewstate the original object was rendered with
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@param rTarget
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The target canvas the repaint should happen on.
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@param bFailForChangedViewTransform
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When true, derived classes will never receive doRedraw()
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calls with dissimilar view transformations and
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bSameViewTransform set to false. This is useful for cached
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objects where re-transforming the generated output is not
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desirable, e.g. for hinted font output.
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*/
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CachedPrimitiveBase( const ::com::sun::star::rendering::ViewState& rUsedViewState,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XCanvas >& rTarget,
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bool bFailForChangedViewTransform );
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/// Dispose all internal references
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virtual void SAL_CALL disposing() SAL_OVERRIDE;
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// XCachedPrimitive
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virtual ::sal_Int8 SAL_CALL redraw( const ::com::sun::star::rendering::ViewState& aState ) throw (::com::sun::star::lang::IllegalArgumentException, ::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
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// XServiceInfo
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virtual OUString SAL_CALL getImplementationName( ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
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virtual sal_Bool SAL_CALL supportsService( const OUString& ServiceName ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
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virtual ::com::sun::star::uno::Sequence< OUString > SAL_CALL getSupportedServiceNames( ) throw (::com::sun::star::uno::RuntimeException, std::exception) SAL_OVERRIDE;
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protected:
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virtual ~CachedPrimitiveBase(); // we're a ref-counted UNO class. _We_ destroy ourselves.
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private:
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CachedPrimitiveBase( const CachedPrimitiveBase& ) SAL_DELETED_FUNCTION;
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CachedPrimitiveBase& operator=( const CachedPrimitiveBase& ) SAL_DELETED_FUNCTION;
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/** Actually perform the requested redraw.
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Clients must override this method, instead of the public
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redraw() one.
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@param rNewState
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The viewstate to redraw with
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@param rOldState
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The viewstate this cache object was created with.
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@param rTargetCanvas
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Target canvas to render to.
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@param bSameViewTransform
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When true, rNewState and rOldState have the same transformation.
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*/
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virtual ::sal_Int8 doRedraw( const ::com::sun::star::rendering::ViewState& rNewState,
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const ::com::sun::star::rendering::ViewState& rOldState,
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const ::com::sun::star::uno::Reference<
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::com::sun::star::rendering::XCanvas >& rTargetCanvas,
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bool bSameViewTransform ) = 0;
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::com::sun::star::rendering::ViewState maUsedViewState;
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::com::sun::star::uno::Reference< ::com::sun::star::rendering::XCanvas > mxTarget;
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const bool mbFailForChangedViewTransform;
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};
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}
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#endif // INCLUDED_CANVAS_BASE_CACHEDPRIMITIVEBASE_HXX
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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