a7724966ab
They are practically always useless, often misleading or obsolete. Change-Id: I2d32182a31349c9fb3b982498fd22d93e84c0c0c
107 lines
3.9 KiB
C++
107 lines
3.9 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 _CPPCANVAS_TRANSPARENCYGROUPACTION_HXX
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#define _CPPCANVAS_TRANSPARENCYGROUPACTION_HXX
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#include <cppcanvas/canvas.hxx>
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#include <cppcanvas/renderer.hxx>
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#include <action.hxx>
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#include <memory>
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namespace basegfx {
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class B2DPoint;
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class B2DVector;
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}
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class GDIMetaFile;
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class Gradient;
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/* Definition of internal::TransparencyGroupActionFactory 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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struct OutDevState;
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typedef ::std::auto_ptr< GDIMetaFile > MtfAutoPtr;
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typedef ::std::auto_ptr< Gradient > GradientAutoPtr;
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/** Transparency group action.
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This action groups a bunch of other actions, to be
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rendered with the given transparency setting against the
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background.
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Creates encapsulated converters between GDIMetaFile and
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XCanvas. The Canvas argument is deliberately placed at the
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constructor, to force reconstruction of this object for a
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new canvas. This considerably eases internal state
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handling, since a lot of the internal state (e.g. fonts,
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text layout) is Canvas-dependent.
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*/
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class TransparencyGroupActionFactory
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{
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public:
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/** Create new transparency group action.
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@param rGroupMtf
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Metafile that groups all actions to be rendered
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transparent.
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@param rAlphaGradient
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VCL gradient, to be rendered into the action's alpha
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channel.
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@param rParms
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Render parameters
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@param rDstPoint
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Left, top edge of destination, in current state
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coordinate system
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@param rDstSize
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Size of the transparency group object, in current
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state coordinate system.
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*/
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static ActionSharedPtr createTransparencyGroupAction( MtfAutoPtr& rGroupMtf,
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GradientAutoPtr& rAlphaGradient,
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const Renderer::Parameters& rParms,
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const ::basegfx::B2DPoint& rDstPoint,
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const ::basegfx::B2DVector& rDstSize,
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const CanvasSharedPtr& rCanvas,
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const OutDevState& rState );
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private:
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// static factory, disable big four
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TransparencyGroupActionFactory();
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~TransparencyGroupActionFactory();
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TransparencyGroupActionFactory(const TransparencyGroupActionFactory&);
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TransparencyGroupActionFactory& operator=( const TransparencyGroupActionFactory& );
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};
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}
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}
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#endif /*_CPPCANVAS_TRANSPARENCYGROUPACTION_HXX */
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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