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shape.h

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00001 /***************************************************************************
00002  *   Copyright (C) 2004 by Rick L. Vinyard, Jr.                            *
00003  *   rvinyard@cs.nmsu.edu                                                  *
00004  *                                                                         *
00005  *   This file is part of the papyrus library.                             *
00006  *                                                                         *
00007  *   papyrus is free software; you can redistribute it and/or modify       *
00008  *   it under the terms of the GNU Lesser General Public License           *
00009  *   version 3.0 as published by the Free Software Foundation.             *
00010  *                                                                         *
00011  *   papyrus is distributed in the hope that it will be useful,            *
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00014  *   GNU Lesser General Public License version 3.0 for more details.       *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Lesser General Public      *
00017  *   License along with the papyrus library. If not, see                   *
00018  *   <http://www.gnu.org/licenses/>.                                       *
00019  ***************************************************************************/
00020 #ifndef PAPYRUSSHAPE_H
00021 #define PAPYRUSSHAPE_H
00022 
00023 #include <papyrus/enums.h>
00024 #include <papyrus/drawable.h>
00025 #include <papyrus/fill.h>
00026 #include <papyrus/rgba.h>
00027 #include <papyrus/stroke.h>
00028 
00029 namespace Papyrus
00030 {
00031 
00047   class Shape : public Drawable
00048   {
00049     protected:
00050 
00052       Shape ( const Glib::ustring& id=Glib::ustring(), Fill::pointer fill = Fill::pointer(), Stroke::pointer stroke = Stroke::pointer() );
00053 
00054     public:
00055       typedef PapyrusPointer<Shape> pointer;
00056 
00058       virtual ~Shape();
00059 
00060       virtual void set( const AttributeValueMap& avmap );
00061 
00066       virtual void draw ( Cairo::RefPtr<Cairo::Context> cairo ) const;
00067 
00073       virtual void draw_shape ( Cairo::RefPtr<Cairo::Context> cairo ) const = 0;
00074 
00080       virtual void draw_stroke_path ( Cairo::RefPtr<Cairo::Context> cairo ) const;
00081 
00083       Fill::pointer fill();
00084 
00086       void set_fill ( Fill::pointer fill );
00087 
00092       void set_fill ( Paint paint );
00093 
00098       void set_fill ( Cairo::RefPtr<Cairo::Pattern> pattern );
00099 
00104       void set_fill( const RGBA& color );
00105 
00110       void set_fill( const Glib::ustring& fill );
00111 
00119       void set_fill_paint( const Glib::ustring& paint_name );
00120 
00122       Stroke::pointer stroke();
00123 
00127       void set_stroke ( Stroke::pointer stroke );
00128 
00133       void set_stroke ( Paint paint );
00134 
00139       void set_stroke ( Cairo::RefPtr<Cairo::Pattern> pattern );
00140 
00145       void set_stroke ( const RGBA& color );
00146 
00151       void set_stroke ( const Glib::ustring& stroke );
00152 
00160       void set_stroke_paint( const Glib::ustring& paint_name );
00161 
00162       void operator=( const Shape& other );
00163 
00164       PAPYRUS_CLASS_NAME ( "Shape" );
00165 
00166     protected:
00170       Fill::pointer m_fill;
00171       Stroke::pointer m_stroke;
00172       mutable Cairo::Path* m_fill_path;
00173       mutable Cairo::Path* m_stroke_path;
00174 
00175       sigc::connection m_fill_changed_connection;
00176       sigc::connection m_stroke_changed_connection;
00177 
00178       virtual void on_fill_changed();
00179 
00180       virtual void on_stroke_changed();
00181 
00182       virtual void shape_changed ( unsigned which=FILL|STROKE );
00183 
00184       Glib::ustring svg_fill();
00185 
00186   };
00187 
00188 }
00189 
00190 #endif

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