| Es++ Sample: MultipleScrolledImageViews |
/******************************************************************************
*
* Copyright (c) 2017 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
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*
* OpenCVMultipleScrolledImageView.cpp
*
*****************************************************************************/
//
#include <gtkmm/box.h>
#include <gtkmm/button.h>
#include <es++/gtkmm-3.0/Application.h>
#include <es++/gtkmm-3.0/FileOpenDialog.h>
#include <es++/gtkmm-3.0/PushButton.h>
#include <es++/opencv-4.0/OpenCVMainView.h>
#include <es++/opencv-4.0/OpenCVScaleComboBox.h>
#include <es++/opencv-4.0/OpenCVScrolledImageView.h>
using namespace Gtk;
namespace Es {
class MainView :public Es::OpenCVMainView {
private:
Gtk::Label filepath;
Es::HorizontalLayout horiz_layout;
Es::VerticalLayout control_pane;
Es::OpenCVScaleComboBox combobox;
Es::PushButton quit_button;
Es::OpenCVScrolledImageView image_view1;
Es::OpenCVScrolledImageView image_view2;
static const int FILEPATH_HEIGHT = 30;
static const int CONTROLPANE_WIDTH = 160;
int scale;
std::string filename1;
std::string filename2;
static const int loadingFlag = IMREAD_COLOR;
Es::FileOpenDialog file_dialog1;
Es::FileOpenDialog file_dialog2;
public:
//////////////////////////////////////////////
//Constructor
//
MainView(Es::Application& applet,
std::string& title,
Es::Args& args)
:OpenCVMainView(applet, title,
//We don't use the defaultFilePulldown menu.
args.set(XmNuseDefaultFilePulldown, false) )
,scale(100)
,file_dialog1(*this, Es::FileOpenDialog::IMAGE_FILES)
,file_dialog2(*this, Es::FileOpenDialog::IMAGE_FILES)
{
//Define File pulldown menu with multiple [Open File] pulldown menu items.
Es::SigcMenuCallback file_menu_callbacks[] = {
{"New", sigc::mem_fun(*this, &MainView::file_new)},
{"Open File1", sigc::mem_fun(*this, &MainView::file_open1)},
{"Open File2", sigc::mem_fun(*this, &MainView::file_open2)},
{"Save", sigc::mem_fun(*this, &MainView::file_save)},
{"Save_As", sigc::mem_fun(*this, &MainView::file_save_as)},
{"Quit", sigc::mem_fun(*this, &MainView::file_quit)},
};
file_pulldown_append( file_menu_callbacks,
CountOf(file_menu_callbacks));
int w = (int)args.get(XmNwidth);
int h = (int)args.get(XmNheight);
int ww = (w - CONTROLPANE_WIDTH)/2;
Es::MainLayout& main_layout = get_main_layout();
filepath.set_size_request(w, FILEPATH_HEIGHT);
filepath.set_alignment(Gtk::ALIGN_START);
main_layout.pack_start(filepath, FALSE,FALSE, 0);
main_layout.pack_start(horiz_layout, FALSE, FALSE, 0);
image_view1.set_size_request(ww, h);
image_view2.set_size_request(ww, h);
control_pane.set_spacing(10);
control_pane.set_size_request(CONTROLPANE_WIDTH, h);
horiz_layout.pack_start(image_view1);
horiz_layout.pack_start(image_view2);
horiz_layout.pack_start(control_pane, FALSE, FALSE, 0);
scale = (int)args.get(XmNscalingRatio);
combobox.set_selection(scale);
combobox.set_changed_callback(
sigc::mem_fun(*this, &MainView::scale_changed)
);
quit_button.set_label("Quit");
quit_button.signal_clicked().connect(
sigc::mem_fun(*this, &MainView::file_quit)
);
control_pane.pack_start(combobox, FALSE, FALSE, 0);
control_pane.pack_start(quit_button, FALSE, FALSE, 0);
filename1 = "../../images/Tower1.png";
filename2 = "../../images/Tower2.png";
image_view1.loadImage(filename1, loadingFlag, scale);
//image_view1.scaleImage(scale);
image_view2.loadImage(filename2, loadingFlag, scale);
//image_view2.scaleImage(scale);
update_filepath();
show_all();
}
bool on_configure_event(GdkEventConfigure* configure_event)
{
Window::on_configure_event(configure_event);
//Do nothing here.
return true;
}
void scale_changed()
{
scale = combobox.get_selection();
printf("scale_changed %d\n", scale);
image_view1.scaleImage(scale);
image_view2.scaleImage(scale);
}
void update_filepath()
{
std::string space = " ";
filepath.set_label(filename1 + space + filename2);
}
void file_open1()
{
int rc = file_dialog1.popup();
if (rc == Gtk::RESPONSE_OK) {
filename1 = file_dialog1.get_filename();
update_filepath();
image_view1.loadImage(filename1, loadingFlag, scale);
}
}
void file_open2()
{
int rc = file_dialog2.popup();
if (rc == Gtk::RESPONSE_OK) {
filename2 = file_dialog2.get_filename();
update_filepath();
image_view2.loadImage(filename2, loadingFlag, scale);
}
}
};
}
int main(int argc, char** argv)
{
Es::Environment env;
try {
Es::Application applet(argc, argv);
std::string title(argv[0]);
Es::Args args;
args.set(XmNx, 20);
args.set(XmNy, 20);
args.set(XmNwidth, 900);
args.set(XmNheight,400);
args.set(XmNscalingRatio,60);
Es::MainView mainv(applet, title, args);
mainv.show();
applet.run(mainv);
} catch (Es::Exception& ex) {
caught(ex);
} catch (...) {
printf("Get exception \n");
}
return 0;
}