Es++ Sample: ScaledImageView |
/****************************************************************************** * * 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. * * * ScaledImageView.cpp * *****************************************************************************/ // #include <es++/gtkmm-3.0/Application.h> #include <es++/gtkmm-3.0/HorizontalLayout.h> #include <es++/gtkmm-3.0/VerticalLayout.h> #include <es++/gtkmm-3.0/FileOpenDialog.h> #include <es++/opencv-4.0/OpenCVMainView.h> #include <es++/opencv-4.0/OpenCVScrolledImageView.h> #include <es++/opencv-4.0/OpenCVScaleComboBox.h> using namespace Gtk; namespace Es { class MainView :public Es::OpenCVMainView { private: Es::HorizontalLayout horizLayout; Es::VerticalLayout controlPane; Es::OpenCVScrolledImageView imageView; int loadingFlag; Es::OpenCVScaleComboBox scaleComboBox; int scalingRatio; //Percentage. static const int CONTROLPANE_WIDTH = 180; Es::FileOpenDialog file_dialog; public: ////////////////////////////////////////////// //Constructor // MainView(Es::Application& applet, std::string& name, Es::Args& args) :OpenCVMainView(applet, name, args) ,scalingRatio(100) //100% ,file_dialog(*this, Es::FileOpenDialog::IMAGE_FILES) { int w = (int)args.get(XmNwidth); int h = (int)args.get(XmNheight); int ratio = (int)args.get(XmNscalingRatio); scalingRatio = OpenCVImageView::validateScale(ratio); Es::MainLayout& main_layout = get_main_layout(); main_layout.pack_start(horizLayout); const std::string filename = "../../images/flower1.jpg"; set_filenamed_title(filename); imageView.set_size_request(w - CONTROLPANE_WIDTH, h); controlPane.set_size_request( CONTROLPANE_WIDTH, h); horizLayout.pack_start(imageView); horizLayout.pack_start(controlPane, FALSE, FALSE, 0); scaleComboBox.set_selection(scalingRatio); controlPane.pack_start(scaleComboBox); scaleComboBox.set_changed_callback( sigc::mem_fun(*this, &MainView::scale_changed) ); loadingFlag = IMREAD_COLOR; imageView.loadImage(filename, loadingFlag, scalingRatio); show_all(); } void scale_changed() { std::string scale = scaleComboBox.get_active_text(); printf("scale_changed %s\n", scale.c_str()); scalingRatio = scaleComboBox.get_selection(); imageView.scaleImage(scalingRatio); } void file_open() { int rc = file_dialog.popup(); if (rc == Gtk::RESPONSE_OK) { const std::string filename = file_dialog.get_filename(); set_filenamed_title(filename); imageView.loadImage(filename, loadingFlag, scalingRatio); } } }; } int main(int argc, char** argv) { Es::Environment env; try { std::string name = argv[0]; Es::Application applet(argc, argv); Es::Args args; args.set(XmNx, 20); args.set(XmNy, 40); args.set(XmNwidth, 640); args.set(XmNheight, 400); args.set(XmNscalingRatio, 60); //60% Es::MainView mainv(applet, name, args); mainv.show(); applet.run(mainv); } catch (Es::Exception& ex) { caught(ex); } catch (...) { printf("Get exception \n"); } return 0; }