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/* -*- 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 .
*/
#pragma once
#include <com/sun/star/rendering/XSpriteCanvas.hpp>
#include <basegfx/vector/b2dsize.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <cppcanvas/spritecanvas.hxx>
#include "implcanvas.hxx"
namespace cppcanvas::internal
{
class ImplSpriteCanvas : public virtual SpriteCanvas, protected virtual ImplCanvas
{
public:
ImplSpriteCanvas( const css::uno::Reference<
css::rendering::XSpriteCanvas >& rCanvas );
ImplSpriteCanvas(const ImplSpriteCanvas&);
virtual ~ImplSpriteCanvas() override;
virtual void setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) override;
virtual bool updateScreen( bool bUpdateAll ) const override;
virtual CustomSpriteSharedPtr createCustomSprite( const ::basegfx::B2DSize& ) const override;
virtual CanvasSharedPtr clone() const override;
virtual css::uno::Reference<
css::rendering::XSpriteCanvas > getUNOSpriteCanvas() const override;
/** This class passes the view transformation
to child sprites
This helper class is necessary, because the
ImplSpriteCanvas object cannot hand out shared ptrs of
itself, but has somehow pass an object to child
sprites those can query for the canvas' view transform.
*/
class TransformationArbiter
{
public:
TransformationArbiter();
void setTransformation( const ::basegfx::B2DHomMatrix& rViewTransform );
const ::basegfx::B2DHomMatrix& getTransformation() const { return maTransformation; }
private:
::basegfx::B2DHomMatrix maTransformation;
};
typedef std::shared_ptr< TransformationArbiter > TransformationArbiterSharedPtr;
private:
ImplSpriteCanvas& operator=( const ImplSpriteCanvas& ) = delete;
const css::uno::Reference< css::rendering::XSpriteCanvas > mxSpriteCanvas;
TransformationArbiterSharedPtr mpTransformArbiter;
};
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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