diff options
Diffstat (limited to 'cppcanvas/inc/cppcanvas/canvasgraphic.hxx')
-rw-r--r-- | cppcanvas/inc/cppcanvas/canvasgraphic.hxx | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/cppcanvas/inc/cppcanvas/canvasgraphic.hxx b/cppcanvas/inc/cppcanvas/canvasgraphic.hxx deleted file mode 100644 index e496df6aeb33..000000000000 --- a/cppcanvas/inc/cppcanvas/canvasgraphic.hxx +++ /dev/null @@ -1,157 +0,0 @@ -/* -*- 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_CANVASGRAPHIC_HXX -#define _CPPCANVAS_CANVASGRAPHIC_HXX - -#include <sal/types.h> - -#include <boost/shared_ptr.hpp> -#include <cppcanvas/color.hxx> -#include <cppcanvas/canvas.hxx> - -namespace basegfx -{ - class B2DHomMatrix; - class B2DPolyPolygon; -} - - -/* Definition of CanvasGraphic interface */ - -namespace cppcanvas -{ - // forward declaration, since PolyPolygon also derives from CanvasGraphic - typedef ::boost::shared_ptr< class PolyPolygon > PolyPolygonSharedPtr; - - - /** This interface defines basic properties of - objects that can be painted on a Canvas - */ - class CanvasGraphic - { - public: - - /** These enums determine how the primitive color is combined - with the background. When performing this calculations, it - is assumed that all color values are premultiplied with - the corresponding alpha values (if no alpha is specified, - 1.0 is assumed). Then, the following general compositing - operation is performed: - - C = Ca * Fa + Cb * Fb - - where C is the result color, Ca and Cb are the input - colors, premultiplied with alpha, and Fa and Fb are - described for the different composite modes (wherein Aa - and Ab denote source and destination alpha, respectively). - */ - enum CompositeOp - { - /// Clear destination. Fa = Fb = 0. - CLEAR, - - /// Copy source as-is to destination. Fa = 1, Fb = 0. - SOURCE, - - /// Leave destination as-is. Fa = 0, Fb = 1. - DESTINATION, - - /// Copy source over destination. Fa = 1, Fb = 1-Aa. - OVER, - - /// Copy source under destination. Fa = 1-Ab, Fb = 1. - UNDER, - - /// Copy source to destination, but limited to where the destination is. Fa = Ab, Fb = 0. - INSIDE, - - /// Leave destination as is, but only where source was. Fa = 0, Fb = Aa. - INSIDE_REVERSE, - - /// Copy source to destination, but limited to where destination is not. Fa = 1-Ab, Fb = 0. - OUTSIDE, - - /// Leave destination as is, but only where source has not been. Fa = 0, Fb = 1-Aa. - OUTSIDE_REVERSE, - - /// Copy source over destination, but only where destination is. Keep destination. Fa = Ab, Fb = 1-Aa. - ATOP, - - /// Copy destination over source, but only where source is. Keep source. Fa = 1-Ab, Fb = Aa. - ATOP_REVERSE, - - /// Take only parts where either source or destination, but not both are. Fa = 1-Ab, Fb = 1-Aa. - XOR, - - /** simply add contributions of both source and destination. The - resulting color values are limited to the permissible color - range, and clipped to the maximal value, if exceeded. Fa = 1, Fb = 1. - */ - ADD, - - /// Fa = min(1,(1-Ab)/Aa), Fb = 1 - SATURATE - }; - - virtual ~CanvasGraphic() {} - - /** Set object transformation matrix - */ - virtual void setTransformation( const ::basegfx::B2DHomMatrix& rMatrix ) = 0; - /** Get object transformation matrix - */ - virtual ::basegfx::B2DHomMatrix getTransformation() const = 0; - - /** Set object clipping polygon - */ - virtual void setClip( const ::basegfx::B2DPolyPolygon& rClipPoly ) = 0; - /** Clear object clipping polygon - */ - virtual void setClip() = 0; - /** Get object clipping polygon - - @return NULL, if no clip is set; otherwise, the current clip poly-polygon is returned - */ - virtual ::basegfx::B2DPolyPolygon const* getClip() const = 0; - - /** Set object composite mode - */ - virtual void setCompositeOp( CompositeOp aOp ) = 0; - /** Get object composite mode - */ - virtual CompositeOp getCompositeOp() const = 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; - - }; - - typedef ::boost::shared_ptr< ::cppcanvas::CanvasGraphic > CanvasGraphicSharedPtr; -} - -#endif /* _CPPCANVAS_CANVASGRAPHIC_HXX */ - -/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |