IBSimu 1.0.4
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00001 00005 /* Copyright (c) 2005-2010 Taneli Kalvas. All rights reserved. 00006 * 00007 * You can redistribute this software and/or modify it under the terms 00008 * of the GNU General Public License as published by the Free Software 00009 * Foundation; either version 2 of the License, or (at your option) 00010 * any later version. 00011 * 00012 * This library is distributed in the hope that it will be useful, but 00013 * WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00015 * General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this library (file "COPYING" included in the package); 00019 * if not, write to the Free Software Foundation, Inc., 51 Franklin 00020 * Street, Fifth Floor, Boston, MA 02110-1301 USA 00021 * 00022 * If you have questions about your rights to use or distribute this 00023 * software, please contact Berkeley Lab's Technology Transfer 00024 * Department at TTD@lbl.gov. Other questions, comments and bug 00025 * reports should be sent directly to the author via email at 00026 * taneli.kalvas@jyu.fi. 00027 * 00028 * NOTICE. This software was developed under partial funding from the 00029 * U.S. Department of Energy. As such, the U.S. Government has been 00030 * granted for itself and others acting on its behalf a paid-up, 00031 * nonexclusive, irrevocable, worldwide license in the Software to 00032 * reproduce, prepare derivative works, and perform publicly and 00033 * display publicly. Beginning five (5) years after the date 00034 * permission to assert copyright is obtained from the U.S. Department 00035 * of Energy, and subject to any subsequent five (5) year renewals, 00036 * the U.S. Government is granted for itself and others acting on its 00037 * behalf a paid-up, nonexclusive, irrevocable, worldwide license in 00038 * the Software to reproduce, prepare derivative works, distribute 00039 * copies to the public, perform publicly and display publicly, and to 00040 * permit others to do so. 00041 */ 00042 00043 #ifndef LABEL_HPP 00044 #define LABEL_HPP 1 00045 00046 00047 #include <string> 00048 #include <cairo.h> 00049 00050 #include "color.hpp" 00051 00052 00057 class Label 00058 { 00059 std::string _text; 00061 double _size; 00062 std::string _family; 00063 cairo_font_slant_t _slant; 00067 cairo_font_weight_t _weight; 00071 Color _color; 00073 double _xalign; 00074 double _yalign; 00075 bool _yzeroext; 00076 double _rotation; 00077 double _xlocation; 00078 double _ylocation; 00081 void process_parsed( cairo_t *cairo, const std::string &text, cairo_text_extents_t *extents0, 00082 double x0, double y0, double &x, double &y ); 00083 void parse_latex( cairo_t *cairo, const std::string &text, cairo_text_extents_t *extents0, 00084 double x0, double y0, double &x, double &y ); 00085 00086 public: 00087 00088 Label(); 00089 00090 Label( const Label &label ); 00091 00092 Label( const std::string &text ); 00093 00094 ~Label(); 00095 00096 Label &operator=( const Label &label ); 00097 00100 void set_font_size( double size ); 00101 00104 void set_font_family( const std::string &family ); 00105 00108 void set_font_slant(cairo_font_slant_t slant ); 00109 00112 void set_font_weight( cairo_font_weight_t weight ); 00113 00116 void set_color( const Color &color ); 00117 00120 void set_location( double x, double y ); 00121 00127 void set_rotation( double angle ); 00128 00142 void set_alignment( double x, double y, bool yzeroext = false ); 00143 00146 void set_text( const std::string &text ); 00147 00150 std::string get_text( void ) const; 00151 00154 void draw( cairo_t *cairo ); 00155 00160 void get_extents( cairo_t *cairo, cairo_text_extents_t *extents ); 00161 00168 void get_bbox( cairo_t *cairo, double bbox[4] ); 00169 00170 friend std::ostream &operator<<( std::ostream &os, const Label &label ); 00171 }; 00172 00173 00174 #endif 00175 00176 00177 00178 00179 00180 00181 00182 00183 00184 00185 00186 00187 00188 00189 00190 00191 00192