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Diffstat (limited to 'cppcanvas/source/wrapper/implspritecanvas.hxx')
-rw-r--r-- | cppcanvas/source/wrapper/implspritecanvas.hxx | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/cppcanvas/source/wrapper/implspritecanvas.hxx b/cppcanvas/source/wrapper/implspritecanvas.hxx new file mode 100644 index 000000000..efad54662 --- /dev/null +++ b/cppcanvas/source/wrapper/implspritecanvas.hxx @@ -0,0 +1,80 @@ +/* -*- 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: */ |