f1656f7db9
Change-Id: If73053c1fa0f65ff7296bf8f5a34d6ead64167ab Reviewed-on: https://gerrit.libreoffice.org/c/core/+/85928 Tested-by: Jenkins Reviewed-by: Muhammet Kara <muhammet.kara@collabora.com>
86 lines
3.3 KiB
C++
86 lines
3.3 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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#pragma once
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#include <com/sun/star/uno/Reference.hxx>
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#include <com/sun/star/rendering/XCachedPrimitive.hpp>
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#include <basegfx/matrix/b2dhommatrix.hxx>
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#include <cppcanvas/canvas.hxx>
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#include <action.hxx>
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namespace basegfx { class B2DHomMatrix; }
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/* Definition of internal::CachedPrimitiveBase class */
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namespace cppcanvas
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{
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namespace internal
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{
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/** Base class providing cached re-rendering, if XCanvas
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returns XCachedPrimitive
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Derive from this class and implement private render()
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method to perform the actual primitive rendering. Return
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cached primitive into given reference. Next time this
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class' public render() method gets called, the cached
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representation is taken.
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*/
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class CachedPrimitiveBase : public Action
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{
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public:
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/** Constructor
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@param rCanvas
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Canvas on which this primitive is to appear
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@param bOnlyRedrawWithSameTransform
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When true, this class only reuses the cached
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primitive, if the overall transformation stays the
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same. Otherwise, repaints are always performed via the
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cached primitive.
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*/
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CachedPrimitiveBase( const CanvasSharedPtr& rCanvas,
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bool bOnlyRedrawWithSameTransform );
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CachedPrimitiveBase(const CachedPrimitiveBase&) = delete;
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const CachedPrimitiveBase& operator=(const CachedPrimitiveBase&) = delete;
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virtual bool render( const ::basegfx::B2DHomMatrix& rTransformation ) const override;
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protected:
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using Action::render;
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private:
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virtual bool renderPrimitive( css::uno::Reference< css::rendering::XCachedPrimitive >& rCachedPrimitive,
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const ::basegfx::B2DHomMatrix& rTransformation ) const = 0;
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CanvasSharedPtr mpCanvas;
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mutable css::uno::Reference< css::rendering::XCachedPrimitive > mxCachedPrimitive;
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mutable ::basegfx::B2DHomMatrix maLastTransformation;
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const bool mbOnlyRedrawWithSameTransform;
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};
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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