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Diffstat (limited to 'cppcanvas/inc/cppcanvas/canvas.hxx')
-rw-r--r-- | cppcanvas/inc/cppcanvas/canvas.hxx | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/cppcanvas/inc/cppcanvas/canvas.hxx b/cppcanvas/inc/cppcanvas/canvas.hxx new file mode 100644 index 000000000000..385006fdba46 --- /dev/null +++ b/cppcanvas/inc/cppcanvas/canvas.hxx @@ -0,0 +1,119 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/************************************************************************* + * + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * Copyright 2000, 2010 Oracle and/or its affiliates. + * + * OpenOffice.org - a multi-platform office productivity suite + * + * This file is part of OpenOffice.org. + * + * OpenOffice.org is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License version 3 + * only, as published by the Free Software Foundation. + * + * OpenOffice.org is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License version 3 for more details + * (a copy is included in the LICENSE file that accompanied this code). + * + * You should have received a copy of the GNU Lesser General Public License + * version 3 along with OpenOffice.org. If not, see + * <http://www.openoffice.org/license.html> + * for a copy of the LGPLv3 License. + * + ************************************************************************/ + +#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 rtl +{ + class OUString; +} + +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 ::rtl::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: */ |