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//
// Copyright 2006 by Johannes Hofmann
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
#ifndef GipfelWidget_H
#define GipfelWidget_H
#include <FL/Fl_Widget.H>
#include <FL/Fl_Menu_Button.H>
#include "Panorama.H"
class GipfelWidget : public Fl_Widget {
private:
Fl_Image *img;
Hill *cur_mountain;
Hills *marker;
Hills *track_points;
Hill *m1, *m2;
Panorama *pan;
Fl_Menu_Button *mb;
char *img_file;
double track_width;
int show_hidden;
int handle(int event);
int set_cur_mountain(int m_x, int m_y);
int set_mountain(int m_x, int m_y);
void set_labels(Hills *v);
int get_rel_track_width(Hill *m);
static int get_pixel_nearest(Fl_Image *img, double x, double y,
char *r, char *g, char *b);
static int get_pixel(Fl_Image *img, int x, int y,
char *r, char *g, char *b);
public:
GipfelWidget(int X,int Y,int W, int H);
void center();
int load_image(char *file);
int save_image(char *file);
const char * get_image_filename();
int load_data(const char *file);
int load_track(const char *file);
int set_viewpoint(const char *pos);
void set_viewpoint(const Hill *m);
void set_center_angle(double a);
void set_nick_angle(double a);
void set_tilt_angle(double a);
void set_focal_length_35mm(double s);
void set_height_dist_ratio(double r);
void set_hide_value(double h);
void set_show_hidden(int h);
void set_view_lat(double v);
void set_view_long(double v);
void set_view_height(double v);
const char * get_viewpoint();
double get_center_angle();
double get_nick_angle();
double get_tilt_angle();
double get_focal_length_35mm();
double get_height_dist_ratio();
double get_view_lat();
double get_view_long();
double get_view_height();
void set_track_width(double w);
Projection::Projection_t get_projection();
void set_projection(Projection::Projection_t p);
Hills *get_mountains();
int comp_params();
int guess();
int update();
int get_pixel(double a_view, double a_nick,
char *r, char *g, char *b);
void draw();
};
#endif
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