IBSimu
1.0.4
|
00001 00005 /* Copyright (c) 2005-2009 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 FONTS_HPP 00044 #define FONTS_HPP 1 00045 00046 00047 #include <string> 00048 #include <vector> 00049 #include <cairo.h> 00050 #include <fontconfig/fontconfig.h> 00051 #include <ft2build.h> 00052 #include FT_FREETYPE_H 00053 00054 00055 00058 class Font 00059 { 00060 cairo_font_face_t *_cff; 00061 FcPattern *_pmatch; 00062 00063 std::string _family; 00064 cairo_font_slant_t _slant; 00068 cairo_font_weight_t _weight; 00073 public: 00074 00075 Font( FcPattern *pat ); 00076 Font( const std::string &family ); 00077 Font( const std::string &family, cairo_font_slant_t slant, 00078 cairo_font_weight_t weight ); 00079 Font( const Font &font ); 00080 00081 Font &operator=( const Font &font ); 00082 00083 ~Font(); 00084 00085 std::string family( void ) const; 00086 cairo_font_slant_t slant( void ) const; 00087 cairo_font_weight_t weight( void ) const; 00088 cairo_font_face_t *font_face( void ) const; 00089 FcPattern *fcpattern( void ) const; 00090 00091 void load( class FontLib &fontlib ); 00092 00093 }; 00094 00095 00098 class FontLib 00099 { 00100 00101 FT_Library _ft; 00102 FcConfig *_fc; 00103 00104 std::vector<Font> _search; 00105 std::vector<Font> _loaded; 00106 00107 int get_font_matrix( cairo_t *cairo, cairo_matrix_t *matrix, cairo_matrix_t *orig_matrix ); 00108 int process_substr( cairo_t *cairo, const std::string &str, cairo_text_extents_t *extents, 00109 double x0, double y0, double &x, double &y ); 00110 void process( cairo_t *cairo, const std::string &str, cairo_text_extents_t *extents, double &x, double &y ); 00111 00112 public: 00113 00114 FontLib(); 00115 00116 ~FontLib(); 00117 00122 struct Symbolname { 00123 const char *name; 00124 const char *ucode; 00125 }; 00126 00133 static void combine_extents( cairo_text_extents_t *extents1, double x1, double y1, 00134 const cairo_text_extents_t *extents2, double x2, double y2 ); 00135 00138 static const Symbolname symbols[]; 00139 00140 00141 FcConfig *fc( void ) { return( _fc ); } 00142 00143 00144 void push_auto_search_font( const std::string &family ); 00145 int pop_auto_search_font( void ); 00146 00147 00148 00149 std::string family( void ) const; 00150 cairo_font_slant_t slant( void ) const; 00151 cairo_font_weight_t weight( void ) const; 00152 cairo_font_face_t *font_face( void ) const; 00153 FcPattern *fcpattern( void ) const; 00154 00155 00156 void push_font( FcPattern *pat ); 00157 void push_font( const std::string &family, cairo_font_slant_t slant, 00158 cairo_font_weight_t weight ); 00159 int pop_font( void ); 00160 00161 00162 void text_extents( cairo_t *cairo, const std::string &str, cairo_text_extents_t *extents ); 00163 00168 void draw_text( cairo_t *cairo, const std::string &str, double &x, double &y ); 00169 00170 }; 00171 00172 00173 extern FontLib fontlib; 00174 00175 00176 #endif 00177 00178 00179 00180 00181 00182 00183 00184 00185 00186 00187 00188 00189 00190 00191 00192 00193 00194