85 lines
3.1 KiB
C++
85 lines
3.1 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 <cppcanvas/canvas.hxx>
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#include <vcl/gradient.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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/* Definition of internal::TransparencyGroupActionFactory */
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namespace cppcanvas::internal
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{
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struct OutDevState;
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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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namespace TransparencyGroupActionFactory
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{
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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 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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std::shared_ptr<Action> createTransparencyGroupAction( std::unique_ptr< GDIMetaFile >&& rGroupMtf,
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std::optional< Gradient >&& rAlphaGradient,
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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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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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