/* -*- 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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(vorverarbeitet am 2026-09-28)
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