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Diffstat (limited to '')
-rw-r--r-- | include/cppcanvas/canvasgraphic.hxx | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/include/cppcanvas/canvasgraphic.hxx b/include/cppcanvas/canvasgraphic.hxx new file mode 100644 index 000000000..ebee831f0 --- /dev/null +++ b/include/cppcanvas/canvasgraphic.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 . + */ + +#ifndef INCLUDED_CPPCANVAS_CANVASGRAPHIC_HXX +#define INCLUDED_CPPCANVAS_CANVASGRAPHIC_HXX + +#include <sal/types.h> +#include <memory> + +namespace basegfx +{ + class B2DHomMatrix; + class B2DPolyPolygon; +} + + +/* Definition of CanvasGraphic interface */ + +namespace cppcanvas +{ + // forward declaration, since tools::PolyPolygon also derives from CanvasGraphic + typedef std::shared_ptr< class PolyPolygon > PolyPolygonSharedPtr; + + + /** This interface defines basic properties of + objects that can be painted on a Canvas + */ + class CanvasGraphic + { + public: + + virtual ~CanvasGraphic() {} + + /** Set object transformation matrix + */ + virtual void setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) = 0; + + /** Set object clipping polygon + */ + virtual void setClip( const ::basegfx::B2DPolyPolygon& rClipPoly ) = 0; + /** Clear object clipping polygon + */ + virtual void setClip() = 0; + + /** Set object composite mode + * @see css::rendering::CompositeOperation + */ + virtual void setCompositeOp( sal_Int8 aOp ) = 0; + + /** Render to parent canvas + + This method renders the content to the parent canvas, + i.e. the canvas this object was constructed for. + + @return whether the rendering finished successfully. + */ + virtual bool draw() const = 0; + + }; +} + +#endif // INCLUDED_CPPCANVAS_CANVASGRAPHIC_HXX + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |