plotter.hpp

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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 PLOTTER_HPP
00044 #define PLOTTER_HPP 1
00045 
00046 
00047 #include <png.h>
00048 #include <cairo.h>
00049 #ifdef CAIRO_HAS_SVG_SURFACE
00050 #include <cairo-svg.h>
00051 #endif
00052 #if CAIRO_HAS_PS_SURFACE
00053 #include <cairo-ps.h>
00054 #endif
00055 #ifdef CAIRO_HAS_PDF_SURFACE
00056 #include <cairo-pdf.h>
00057 #endif
00058 #include "frame.hpp"
00059 
00060 
00065 class Plotter {
00066 
00067     size_t _width;
00068     size_t _height;
00069 
00070 #ifdef CAIRO_HAS_PNG_FUNCTIONS
00071     static void png_get_image_size( cairo_surface_t *p_surface, 
00072                                     int &width, int &height );
00073     static void png_unpremultiply_data( png_structp png, 
00074                                         png_row_infop row_info, 
00075                                         png_bytep data );
00076     static void write_to_png( cairo_surface_t *p_surface, 
00077                               int width, int height, 
00078                               const char *filename );
00079 #endif
00080 
00081     virtual void build_plot( void ) = 0;
00082 
00083 protected:
00084 
00085     Frame _frame;
00086 
00091     Plotter();
00092 
00095     virtual ~Plotter();
00096 
00097 public:
00098 
00101     void set_size( size_t width, size_t height ) {
00102         _width = width;
00103         _height = height;
00104     } 
00105 
00108     void set_font_size( size_t size );
00109 
00112     void set_ranges( double xmin, double ymin, double xmax, double ymax );
00113 
00114 #ifdef CAIRO_HAS_PNG_FUNCTIONS
00115 
00119     void plot_png( const std::string &filename );
00120 #endif
00121 
00122 #ifdef CAIRO_HAS_PS_SURFACE
00123 
00127     void plot_eps( const std::string &filename );
00128 #endif
00129 
00130 #ifdef CAIRO_HAS_PDF_SURFACE
00131 
00135     void plot_pdf( const std::string &filename );
00136 #endif
00137 
00138 #ifdef CAIRO_HAS_SVG_SURFACE
00139 
00143     void plot_svg( const std::string &filename );
00144 #endif
00145 
00146 };
00147 
00148 
00149 
00150 #endif
00151 
00152 
00153 
00154 
00155 

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