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//
// "$Id: GipfelWidget.cxx,v 1.11 2005/04/24 09:51:17 hofmann Exp $"
//
// PSEditWidget routines.
//
// Copyright 2004 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.
//
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <fcntl.h>
#include <errno.h>
#include <FL/Fl.H>
#include <FL/Fl_Shared_Image.H>
#include <FL/Fl_JPEG_Image.H>
#include <FL/fl_draw.H>
#include <FL/x.H>
#include "GipfelWidget.H"
GipfelWidget::GipfelWidget(int X,int Y,int W, int H): Fl_Widget(X, Y, W, H) {
img = NULL;
pan = new Panorama();
cur_mountain = NULL;
fl_register_images();
}
int
GipfelWidget::load_image(const char *file) {
img = new Fl_JPEG_Image(file);
if (img == NULL) {
return 1;
}
w(img->w());
h(img->h());
return 0;
}
int
GipfelWidget::load_data(const char *file) {
return pan->load_file(file);
}
int
GipfelWidget::set_viewpoint(const char *pos) {
return pan->set_viewpoint(pos);
}
void
GipfelWidget::draw() {
Mountain *m;
int center_x = w() / 2;
int center_y = h() / 2;
if (img == NULL) {
return;
}
fl_push_clip(x(), y(), w(), h());
img->draw(x(),y(),w(),h(),0,0);
fl_font(FL_HELVETICA, 8);
m = pan->get_visible_mountains();
while (m) {
if (m == cur_mountain) {
fl_color(FL_RED);
} else {
fl_color(FL_BLACK);
}
fl_rectf(center_x + m->x + x() - 2,
center_y + m->y + y() - 2,
4,
4);
// fl_line(center_x + m->x + x(), 0 + y(), center_x + m->x + x(), h() + y());
fl_draw(m->name,
center_x + m->x + x(),
center_y + m->y + y());
m = m->get_next_visible();
}
fl_pop_clip();
}
int
GipfelWidget::set_cur_mountain(int m_x, int m_y) {
Mountain *m = pan->get_visible_mountains();
int center = w() / 2;
while (m) {
if (m_x - center >= m->x - 2 && m_x - center < m->x + 2) {
cur_mountain = m;
redraw();
return 0;
}
m = m->get_next_visible();
}
cur_mountain = NULL;
redraw();
return 1;
}
int
GipfelWidget::set_mountain(int m_x, int m_y) {
int ret;
int center_x = w() / 2;
int center_y = h() / 2;
if (cur_mountain == NULL) {
return 1;
}
ret = pan->set_mountain(cur_mountain, m_x - center_x, m_y - center_y);
redraw();
return ret;
}
void
GipfelWidget::set_center_angle(double a) {
pan->set_center_angle(a);
redraw();
}
void
GipfelWidget::set_nick_angle(double a) {
pan->set_nick_angle(a);
redraw();
}
void
GipfelWidget::set_tilt_angle(double a) {
pan->set_tilt_angle(a);
redraw();
}
void
GipfelWidget::set_scale(double s) {
pan->set_scale(s);
redraw();
}
void
GipfelWidget::set_height_dist_ratio(double r) {
pan->set_height_dist_ratio(r);
redraw();
}
int
GipfelWidget::comp_params() {
pan->comp_params();
redraw();
}
int
GipfelWidget::newton() {
pan->newton();
redraw();
}
int
GipfelWidget::handle(int event) {
int mark_x, mark_y;
switch(event) {
case FL_PUSH:
if (Fl::event_button() == 1) {
mark_x = Fl::event_x()-x();
mark_y = Fl::event_y()-y();
fprintf(stderr, "x %d, y %d\n", mark_x, mark_y);
set_cur_mountain(mark_x, mark_y);
Fl::focus(this);
return 1;
}
break;
case FL_DRAG:
set_mountain(Fl::event_x()-x(), Fl::event_y()-y());
return 1;
break;
case FL_FOCUS:
return 1;
break;
case FL_UNFOCUS:
return 0;
break;
}
return 0;
}
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