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Diffstat (limited to 'include/cppcanvas/canvas.hxx')
-rw-r--r-- | include/cppcanvas/canvas.hxx | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/include/cppcanvas/canvas.hxx b/include/cppcanvas/canvas.hxx new file mode 100644 index 000000000000..0a77e7129a43 --- /dev/null +++ b/include/cppcanvas/canvas.hxx @@ -0,0 +1,106 @@ +/* -*- 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 _CPPCANVAS_CANVAS_HXX +#define _CPPCANVAS_CANVAS_HXX + +#include <com/sun/star/uno/Reference.hxx> + +#include <boost/shared_ptr.hpp> +#include <cppcanvas/font.hxx> +#include <cppcanvas/color.hxx> + + +namespace basegfx +{ + class B2DHomMatrix; + class B2DPolyPolygon; +} + +namespace com { namespace sun { namespace star { namespace rendering +{ + class XCanvas; + struct ViewState; +} } } } + + +/* Definition of BitmapCanvas */ + +namespace cppcanvas +{ + class PolyPolygon; + class Canvas; + + // forward declaration, since PolyPolygon also references Canvas + typedef ::boost::shared_ptr< PolyPolygon > PolyPolygonSharedPtr; + + // forward declaration, since cloneCanvas() also references Canvas + typedef ::boost::shared_ptr< Canvas > CanvasSharedPtr; + + /** Canvas interface + */ + class Canvas + { + public: + enum + { + /** Extra pixel used when canvas anti-aliases. + + Enlarge the bounding box of drawing primitives by this + amount in both dimensions, and on both sides of the + bounds, to account for extra pixel touched outside the + actual primitive bounding box, when the canvas + performs anti-aliasing. + */ + ANTIALIASING_EXTRA_SIZE=2 + }; + + virtual ~Canvas() {} + + virtual void setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) = 0; + virtual ::basegfx::B2DHomMatrix getTransformation() const = 0; + + virtual void setClip( const ::basegfx::B2DPolyPolygon& rClipPoly ) = 0; + virtual void setClip() = 0; + + /** Get current clip + + @return NULL, if no clip is set, otherwise the current clip poly-polygon + */ + virtual ::basegfx::B2DPolyPolygon const* getClip() const = 0; + + virtual FontSharedPtr createFont( const OUString& rFontName, const double& rCellSize ) const = 0; + + virtual ColorSharedPtr createColor() const = 0; + + virtual CanvasSharedPtr clone() const = 0; + virtual void clear() const = 0; + + // this should be considered private. if RTTI gets enabled + // someday, remove that to a separate interface + virtual ::com::sun::star::uno::Reference< + ::com::sun::star::rendering::XCanvas > getUNOCanvas() const = 0; + virtual ::com::sun::star::rendering::ViewState getViewState() const = 0; + }; + +} + +#endif /* _CPPCANVAS_CANVAS_HXX */ + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |