IBSimu 1.0.4
gtkhardcopy.hpp
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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 GTKHARDCOPY_HPP
00044 #define GTKHARDCOPY_HPP 1
00045 
00046 
00047 #include <gtk/gtk.h>
00048 #include <png.h>
00049 #include "frame.hpp"
00050 
00051 
00052 
00053 
00056 class GTKHardcopy
00057 {
00058     GtkWidget        *_window;
00059     Frame            *_frame;
00060 
00061     double            _aspect;
00062     size_t            _width;
00063     size_t            _height;
00064 
00065     GtkWidget        *_spinx;
00066     GtkWidget        *_spiny;
00067 
00068     static void spinx_signal( GtkSpinButton *spinbutton,
00069                               gpointer object );
00070     static void spiny_signal( GtkSpinButton *spinbutton,
00071                               gpointer object );
00072     static int type_from_extension( const char *filename );
00073     static void ensure_extension( std::string &filename, 
00074                                   const std::string &extension );
00075     static void treeview_changed( GtkTreeSelection *selection,
00076                                   gpointer userdata );
00077     
00078     void spinx( void );
00079     void spiny( void );
00080 
00081     void get_image_size( cairo_surface_t *p_surface, 
00082                          int &width, int &height );
00083     static void unpremultiply_data( png_structp png, 
00084                                     png_row_infop row_info, 
00085                                     png_bytep data );
00086     void write_to_png( cairo_surface_t *p_surface, 
00087                        int width, int height, 
00088                        const char *filename );
00089     void write_png( const char *filename );
00090 
00091 
00092     void write_eps( const char *filename );
00093 
00094 
00095     void write_svg( const char *filename );
00096 
00097 
00098     void write_pdf( const char *filename );
00099 public:
00100 
00101     GTKHardcopy( GtkWidget *window, Frame *frame, size_t width, size_t height );
00102 
00103     ~GTKHardcopy();
00104 
00105     void run( void );
00106 
00107 };
00108 
00109 
00110 #endif
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