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 * notice, this list of conditions, and the following disclaimer. * * 2. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * * 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; }