/****************************************************************************** * * Copyright (c) 2019 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 * *****************************************************************************/ //2017/08/20 // See: https://github.com/opencv/opencv/blob/master/samples/cpp/tutorial_code/photo/non_photorealistic_rendering/npr_demo.cpp //2019/01/03 #include <opencv2/stitching.hpp> #include <oz++/Pair.h> #include <oz++/motif/Label.h> #include <oz++/motif/RowColumn.h> #include <oz++/motif/LabeledTrackBar.h> #include <oz++/opencv/OpenCVScaleComboBox.h> #include <oz++/opencv/OpenCVMainView.h> #include <oz++/opencv/OpenCVImageView.h> #include <oz++/motif/FileOpenDialog.h> namespace OZ { class MainView :public OpenCVMainView { private: typedef enum { EdgePreserveSmoothingByNormalizedConvolutionFilter, EdgePreserveSmoothingByRecursiveFilter, DetailEnhancement, MonochromePencilSketch, ColorPencilSketch, Stylization, } RendererType; private: /////////////////////////////////////////////// //Inner classes start. class OriginalImageView: public OpenCVImageView { private: cv::Mat originalImage; cv::Mat scaledImage; virtual void display() { show(scaledImage); } public: OriginalImageView(View* parent, const char* name, Args& args) :OpenCVImageView(parent, name, args) { try { const char* filename = (const char*)args.get(XmNimageFileName); int imageLoadingFlag = args.get(XmNimageLoadingFlag); int scalingRatio = (int)args.get(XmNimageScalingRatio); loadImage(filename, imageLoadingFlag, scalingRatio); } catch (OZ::Exception ex) { caught(ex); } } ~OriginalImageView() { } void loadImage(const char* filename, int imageLoadingFlag= CV_LOAD_IMAGE_COLOR, int scalingRatio=100) { originalImage = readImage(filename, imageLoadingFlag); scaleImage(originalImage, scaledImage, scalingRatio); } void rescale(int scalingRatio) { scaledImage.release(); scaleImage(originalImage, scaledImage, scalingRatio); } }; class NonPhotorealisticView: public OpenCVImageView { private: cv::Mat originalImage; cv::Mat destImage; cv::Mat scaledImage; //The scale image is displayed on this image view. virtual void display() { show(scaledImage); } public: NonPhotorealisticView(View* parent, const char* name, Args& args) :OpenCVImageView(parent, name, args) { try { const char* filename = (const char*)args.get(XmNimageFileName); int imageLoadingFlag = args.get(XmNimageLoadingFlag); int scalingRatio = (int)args.get(XmNimageScalingRatio); loadImage(filename, imageLoadingFlag, scalingRatio); } catch (OZ::Exception ex) { caught(ex); } } ~NonPhotorealisticView() { } void loadImage(const char* filename, int imageLoadingFlag= CV_LOAD_IMAGE_COLOR, int scalingRatio=100) { originalImage = readImage(filename, imageLoadingFlag); destImage = originalImage.clone(); scaleImage(destImage, scaledImage, scalingRatio); refresh(); } void rescale(int scalingRatio) { scaledImage.release(); scaleImage(destImage, scaledImage, scalingRatio); } void transform(RendererType rendererTypeIndex, int scalingRatio) { switch(rendererTypeIndex) { case EdgePreserveSmoothingByNormalizedConvolutionFilter: { edgePreservingFilter(originalImage, destImage,1); } break; case EdgePreserveSmoothingByRecursiveFilter: { edgePreservingFilter(originalImage, destImage,2); } break; case DetailEnhancement: { cv::detailEnhance(originalImage, destImage); } break; case MonochromePencilSketch: { Mat img; cv::pencilSketch(originalImage, destImage, img, 10 , 0.1f, 0.03f); } break; case ColorPencilSketch: { Mat img; cv::pencilSketch(originalImage, img, destImage, 10 , 0.1f, 0.03f); } break; case Stylization: { cv::stylization(originalImage, destImage); } break; default: break; } scaleImage(destImage, scaledImage, scalingRatio); } }; //Inner classes end. private: StringT<char> imageFile; int imageLoadingFlag; int imageScalingRatio; //percentage SmartPtr<Label> label; SmartPtr<OriginalImageView> originalImage; SmartPtr<NonPhotorealisticView> nonPhotorealisticImage; SmartPtr<RowColumn> controlPane; SmartPtr<OpenCVScaleComboBox> scaleComboBox; RendererType rendererIndex; SmartPtr<LabeledComboBox> rendererComboBox; SmartPtr<FileOpenDialog> fileDialog; public: void scaleChanged(Action& action) { int val = scaleComboBox->getScale(); if (val > 0 && imageScalingRatio != val) { imageScalingRatio = val; originalImage -> rescale(imageScalingRatio); nonPhotorealisticImage -> rescale(imageScalingRatio); } } void rendererSelChanged(Action& event) { rendererIndex = (RendererType)rendererComboBox -> getSelectedPosition(); nonPhotorealisticImage -> transform( rendererIndex, imageScalingRatio ); } void fileOpen(Action& action) { fileDialog->popup(); } void updateLabel(const char* filename) { CompoundString cs(filename); label->set(XmNlabelString, cs); } void ok(Action& action) { imageFile = fileDialog->getFileName(); const char* filename = (const char*)imageFile; printf("filename: %s\n", filename); fileDialog->popdown(); bool result = true; try { originalImage->invalidate(); originalImage->loadImage(filename, imageLoadingFlag, imageScalingRatio); originalImage->invalidate(); nonPhotorealisticImage ->loadImage(filename, imageLoadingFlag, imageScalingRatio); nonPhotorealisticImage -> transform( rendererIndex, imageScalingRatio ); updateLabel(filename); resize(width(), height()); flush(); } catch (OZ::Exception& ex) { caught(ex); } } void resize(Dimension w, Dimension h) { int CP_WIDTH = 300; int LB_HEIGHT = 30; int ww = w-CP_WIDTH; int hh = h - LB_HEIGHT; if (label && originalImage && nonPhotorealisticImage && controlPane ) { label -> reshape(0, 0, w, LB_HEIGHT); originalImage-> reshape(0, LB_HEIGHT, ww/2, hh); nonPhotorealisticImage -> reshape(ww/2, LB_HEIGHT, ww/2-1, hh); controlPane -> reshape(ww-1, LB_HEIGHT, CP_WIDTH+1, hh); //The following two lines are a workaround to erase garbage. controlPane -> unmap(); controlPane -> map(); } flush(); } public: MainView(OpenCVApplication& applet, const char* name, Args& args) :OpenCVMainView(applet, name, args) { BulletinBoard* bboard = getBulletinBoard(); imageFile = "../images/flower.png"; imageLoadingFlag = CV_LOAD_IMAGE_COLOR; imageScalingRatio = 60; //% try { Args ar; CompoundString fileNamecs(imageFile); ar.set(XmNlabelString, fileNamecs); ar.set(XmNalignment, XmALIGNMENT_BEGINNING); label = new Label(bboard, "", ar); ar.reset(); ar.set(XmNimageFileName, imageFile); ar.set(XmNimageLoadingFlag, imageLoadingFlag); ar.set(XmNimageScalingRatio, imageScalingRatio); originalImage = new OriginalImageView(bboard, "", ar); ar.reset(); ar.set(XmNimageFileName, imageFile); ar.set(XmNimageLoadingFlag, imageLoadingFlag); ar.set(XmNimageScalingRatio, imageScalingRatio); nonPhotorealisticImage = new NonPhotorealisticView(bboard, "", ar); ar.reset(); controlPane = new RowColumn(bboard, "", ar); //Create a scaleComboBox in the controlPane const char* defaultScale = "60%"; ar.reset(); CompoundString scaler("Scale"); ar.set(XmNlabelString, scaler); ar.set(XmNdefaultScale, defaultScale); scaleComboBox = new OpenCVScaleComboBox(controlPane, "", ar); scaleComboBox->addCallback(XmNselectionCallback, this, (Callback)&MainView::scaleChanged, NULL); //Create an rendererComboBox in controlPane. const char* methods[] = { "EdgePreserve Smoothing By Normalized Convolution Filter", "EdgePreserve Smoothing By Recursive Filter", "Detail Enhancement", "Monochrome Pencil Sketch", "Color Pencil Sketch", "Stylization" }; CompoundStringList csl(methods, CountOf(methods)); rendererIndex = EdgePreserveSmoothingByRecursiveFilter; ar.reset(); ar.set(XmNitems, csl); ar.set(XmNselectedPosition, rendererIndex); ar.set(XmNitemCount, CountOf(methods)); rendererComboBox = new LabeledComboBox(controlPane, "", ar); //Add a selChanged callback. rendererComboBox -> addCallback(XmNselectionCallback, this, (Callback)&MainView::rendererSelChanged, NULL); nonPhotorealisticImage -> transform( rendererIndex, imageScalingRatio ); ar.reset(); fileDialog = new FileOpenDialog(this, "FileOpenDialog", ar); fileDialog -> getOkButton() -> addCallback(XmNactivateCallback, this, (Callback)&MainView::ok, NULL); sendConfigureEvent(); } catch(OZ::Exception& ex) { caught(ex); } } ~MainView() { } }; } // int main(int argc, char** argv) { try { const char* appclass = argv[0]; OpenCVApplication applet(appclass, argc, argv); Args args; args.set(XmNwidth, 1100); args.set(XmNheight, 380); MainView view(applet, argv[0], args); view.realize(); applet.run(); } catch (OZ::Exception& ex) { caught(ex); } return 0; }