Es++ Sample: NonPhotorealisticRendering |
/****************************************************************************** * * 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. * * * NonPhotorealisticRendering.cpp * *****************************************************************************/ // See: https://github.com/opencv/opencv/blob/master/samples/cpp/tutorial_code/photo/non_photorealistic_rendering/npr_demo.cpp #include <es++/Pair.h> #include <es++/gtkmm-3.0/Application.h> #include <es++/gtkmm-3.0/Label.h> #include <es++/gtkmm-3.0/LabeledTrackBar.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: typedef enum { EdgePreserveSmoothingByNormalizedConvolutionFilter, EdgePreserveSmoothingByRecursiveFilter, DetailEnhancement, MonochromePencilSketch, ColorPencilSketch, Stylization, } RendererType; private: /////////////////////////////////////////////////////// //Inner classes start. class OriginalImageView :public Es::OpenCVScrolledImageView { public: OriginalImageView() { } void rescale(int scaling_ratio) { OpenCVScrolledImageView::scaleImage(scaling_ratio); } }; class NonPhotorealisticView :public Es::OpenCVScrolledImageView { private: cv::Mat dest_image; public: NonPhotorealisticView() { } void loadImage(const std::string& filename, int imageLoadingFlag= CV_LOAD_IMAGE_COLOR, int scaling_ratio=100) { OpenCVScrolledImageView::loadImage(filename, imageLoadingFlag, scaling_ratio); cv::Mat& original_image = getOriginalImage(); dest_image = original_image.clone(); scaleImage(dest_image, scaling_ratio); } void transform(int renderer_type, int scaling_ratio) { try { cv::Mat& original_image = getOriginalImage(); switch(renderer_type) { case EdgePreserveSmoothingByNormalizedConvolutionFilter: { edgePreservingFilter(original_image, dest_image,1); } break; case EdgePreserveSmoothingByRecursiveFilter: { edgePreservingFilter(original_image, dest_image,2); } break; case DetailEnhancement: { cv::detailEnhance(original_image, dest_image); } break; case MonochromePencilSketch: { Mat img; cv::pencilSketch(original_image, dest_image, img, 10 , 0.1f, 0.03f); } break; case ColorPencilSketch: { Mat img; cv::pencilSketch(original_image, img, dest_image, 10 , 0.1f, 0.03f); } break; case Stylization: { stylization(original_image, dest_image); } break; default: break; } scaleImage(dest_image, scaling_ratio); } catch (cv::Exception& ex) { ; // } } void rescale(int scaling_ratio) { OpenCVScrolledImageView::scaleImage(dest_image, scaling_ratio); } }; // Inner classes end. /////////////////////////////////////////////////////// Es::Label filepath; Es::HorizontalLayout horiz_layout; Es::VerticalLayout control_pane; OriginalImageView original_image; NonPhotorealisticView nonPhotorealistic_image; int loading_flag; Es::OpenCVScaleComboBox scale_combobox; RendererType renderer_type; Es::LabeledComboBox renderer_type_combobox; int scaling_ratio; //Percentage. static const int CONTROLPANE_WIDTH = 220; std::string filename; Es::FileOpenDialog file_dialog; public: ////////////////////////////////////////////// //Constructor // MainView(Es::Application& applet, std::string& name, Es::Args& args) :OpenCVMainView(applet, name, args) ,scaling_ratio(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); scaling_ratio = OpenCVImageView::validateScale(ratio); Es::MainLayout& main_layout = get_main_layout(); main_layout.pack_start(filepath, FALSE, FALSE, 0); main_layout.pack_start(horiz_layout); filename = "../../images/flower.png"; filepath.set_label(filename); int ww = (w - CONTROLPANE_WIDTH)/2; filepath.set_size_request(w, 30); original_image.set_size_request(ww, h); nonPhotorealistic_image.set_size_request(ww, h); control_pane.set_size_request( CONTROLPANE_WIDTH, h); horiz_layout.pack_start(original_image); horiz_layout.pack_start(nonPhotorealistic_image); horiz_layout.pack_start(control_pane, FALSE, FALSE, 0); scale_combobox.set_selection(scaling_ratio); scale_combobox.set_changed_callback( sigc::mem_fun(*this, &MainView::scale_changed) ); const char* renderer_types[] = { "EdgePreserve Smoothing By Normalized Convolution Filter", "EdgePreserve Smoothing By Recursive Filter", "Detail Enhancement", "Monochrome Pencil Sketch", "Color Pencil Sketch", "Stylization" }; renderer_type = EdgePreserveSmoothingByNormalizedConvolutionFilter; renderer_type_combobox.set_label("RendererType"); renderer_type_combobox.append_items(renderer_types, CountOf(renderer_types)); renderer_type_combobox.set_active_text(renderer_types[0]); renderer_type_combobox.set_changed_callback( sigc::mem_fun(*this, &MainView::renderer_type_changed)); control_pane.set_spacing(20); control_pane.pack_start(scale_combobox, Gtk::PACK_SHRINK); control_pane.pack_start(renderer_type_combobox, Gtk::PACK_SHRINK); loading_flag = IMREAD_COLOR; original_image.loadImage(filename, loading_flag, scaling_ratio); nonPhotorealistic_image.loadImage(filename, loading_flag, scaling_ratio); nonPhotorealistic_image.transform(renderer_type, scaling_ratio); show_all(); } void scale_changed() { std::string scale = scale_combobox.get_active_text(); printf("scale_changed %s\n", scale.c_str()); scaling_ratio = scale_combobox.get_selection(); original_image.rescale(scaling_ratio); nonPhotorealistic_image.rescale(scaling_ratio); } void renderer_type_changed() { Es::Pair<int, const char*> types[] = { {EdgePreserveSmoothingByNormalizedConvolutionFilter, "EdgePreserve Smoothing By Normalized Convolution Filter"}, {EdgePreserveSmoothingByRecursiveFilter, "EdgePreserve Smoothing By Recursive Filter"}, {DetailEnhancement, "Detail Enhancement"}, {MonochromePencilSketch, "Monochrome Pencil Sketch"}, {ColorPencilSketch, "Color Pencil Sketch"}, {Stylization, "Stylization"}, }; std::string text = renderer_type_combobox.get_active_text(); const char* item = text.c_str(); for (size_t i = 0; i<CountOf(types); i++) { if (strcmp(types[i].second, item) == 0) { renderer_type = (RendererType)types[i].first; break; } } printf("renderer_type %s\n", text.c_str()); nonPhotorealistic_image.transform(renderer_type, scaling_ratio); } void file_open() { int rc = file_dialog.popup(); if (rc == Gtk::RESPONSE_OK) { const std::string filename = file_dialog.get_filename(); filepath.set_label(filename); original_image.loadImage(filename, loading_flag, scaling_ratio); nonPhotorealistic_image.loadImage(filename, loading_flag, scaling_ratio); nonPhotorealistic_image.transform(renderer_type, scaling_ratio); } } }; } 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, 900); 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; }