/****************************************************************************** * * 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. * * * EdgePreservingFilter.cpp * *****************************************************************************/ //2018/04/10 //photo.hpp /** @brief Filtering is the fundamental operation in image and video processing. Edge-preserving smoothing filters are used in many different applications @cite EM11 . @param src Input 8-bit 3-channel image. @param dst Output 8-bit 3-channel image. @param flags Edge preserving filters: - **RECURS_FILTER** = 1 - **NORMCONV_FILTER** = 2 @param sigma_s Range between 0 to 200. @param sigma_r Range between 0 to 1. CV_EXPORTS_W void edgePreservingFilter(InputArray src, OutputArray dst, int flags = 1, float sigma_s = 60, float sigma_r = 0.4f); */ //2019/01/03 #include <opencv2/stitching.hpp> #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: /////////////////////////////////////////////// //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 FilteredImageView: public OpenCVImageView { private: cv::Mat originalImage; cv::Mat filteredImage; cv::Mat scaledImage; //The scaled image is displayed on this image view. virtual void display() { show(scaledImage); } public: FilteredImageView(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); } } ~FilteredImageView() { } void loadImage(const char* filename, int imageLoadingFlag= CV_LOAD_IMAGE_COLOR, int scalingRatio=100) { originalImage = readImage(filename, imageLoadingFlag); filteredImage = originalImage.clone(); scaleImage(filteredImage, scaledImage, scalingRatio); } void rescale(int scalingRatio) { scaledImage.release(); scaleImage(filteredImage, scaledImage, scalingRatio); } void filter(int sigmaColor, int sigmaSpace, int scalingRatio) { try { int flag = RECURS_FILTER ; //NORMCONV_FILTER is very slow; cv::edgePreservingFilter( originalImage, filteredImage, flag, (double)sigmaSpace, (double)sigmaColor/100.0f); } catch (cv::Exception& ex) { ; //Ignore } scaleImage(filteredImage, scaledImage, scalingRatio); } }; //Inner classes end. private: StringT<char> imageFile; int imageLoadingFlag; int imageScalingRatio; //percentage SmartPtr<Label> label; SmartPtr<OriginalImageView> originalImage; SmartPtr<FilteredImageView> filteredImage; SmartPtr<RowColumn> controlPane; SmartPtr<OpenCVScaleComboBox> scaleComboBox; static const int SIGMA_COLOR_MAX =200; int sigmaColor; SmartPtr<LabeledTrackBar> sigmaColorTrackBar; static const int SIGMA_SPACE_MAX=100; int sigmaSpace; SmartPtr<LabeledTrackBar> sigmaSpaceTrackBar; SmartPtr<FileOpenDialog> fileDialog; public: void scaleChanged(Action& action) { int val = scaleComboBox->getScale(); if (val > 0 && imageScalingRatio != val) { imageScalingRatio = val; originalImage -> rescale(imageScalingRatio); filteredImage -> rescale(imageScalingRatio); } } void trackBarScrolled1(Action& action) { sigmaColor = sigmaColorTrackBar->getPosition(); sigmaSpace = sigmaSpaceTrackBar->getPosition(); filteredImage->filter(sigmaColor, sigmaSpace, imageScalingRatio); } void trackBarScrolled2(Action& action) { sigmaColor = sigmaColorTrackBar->getPosition(); sigmaSpace = sigmaSpaceTrackBar->getPosition(); filteredImage->filter(sigmaColor, sigmaSpace, imageScalingRatio); } void cancel(Action& action) { fileDialog->popdown(); } void fileOpen(Action& action) { fileDialog->popup(); } void updateLabel(const char* filename) { CompoundString cs(filename); label->set(XmNlabelString, cs); } void ok(Action& action) { try { imageFile = fileDialog->getFileName(); const char* filename = (const char*)imageFile; printf("filename: %s\n", filename); fileDialog->popdown(); originalImage->invalidate(); originalImage->loadImage(filename, imageLoadingFlag, imageScalingRatio); originalImage->invalidate(); filteredImage ->loadImage(filename, imageLoadingFlag, imageScalingRatio); sigmaColor = sigmaColorTrackBar->getPosition(); sigmaSpace = sigmaSpaceTrackBar->getPosition(); filteredImage->filter(sigmaColor, sigmaSpace, imageScalingRatio); updateLabel(filename); resize(width(), height()); flush(); } catch (OZ::Exception& ex) { caught(ex); } } void resize(Dimension w, Dimension h) { int CP_WIDTH = 200; int LB_HEIGHT = 30; int ww = w-CP_WIDTH; int hh = h - LB_HEIGHT; if (label && originalImage && filteredImage && controlPane ) { label -> reshape(0, 0, w, LB_HEIGHT); originalImage-> reshape(0, LB_HEIGHT, ww/2, hh); filteredImage -> 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); filteredImage = new FilteredImageView(bboard, "", ar); ar.reset(); controlPane = new RowColumn(bboard, "", ar); 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); sigmaColor = 160; sigmaSpace = 40; ar.reset(); CompoundString th1Title("SigmaColor:[1,200]"); ar.set(XmNminimum, 1); ar.set(XmNmaximum, SIGMA_COLOR_MAX); ar.set(XmNvalue, sigmaColor); ar.set(XmNtitleString, th1Title); sigmaColorTrackBar = new LabeledTrackBar(controlPane, "", ar); sigmaColorTrackBar->addCallback(XmNvalueChangedCallback, this, (Callback)&MainView::trackBarScrolled1, NULL); ar.reset(); CompoundString th2Title("SigmaSpace:[0,100]"); ar.set(XmNminimum, 0); ar.set(XmNmaximum, SIGMA_SPACE_MAX); ar.set(XmNvalue, sigmaSpace); ar.set(XmNtitleString, th2Title); sigmaSpaceTrackBar = new LabeledTrackBar(controlPane, "", ar); sigmaSpaceTrackBar->addCallback(XmNvalueChangedCallback, this, (Callback)&MainView::trackBarScrolled2, NULL); filteredImage->filter(sigmaColor, sigmaSpace, 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, 900); args.set(XmNheight, 380); MainView view(applet, argv[0], args); view.realize(); applet.run(); } catch (OZ::Exception& ex) { caught(ex); } return 0; }