| OZ++ Sample: StarDetector |
/******************************************************************************
*
* 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.
*
*
* BRISKFeatureDetector.cpp
*
*****************************************************************************/
//2017/05/15
#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>
#include <opencv2/features2d/features2d.hpp>
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 DetectedImageView: public OpenCVImageView {
private:
cv::Mat originalImage;
cv::Mat detectedImage;
cv::Mat scaledImage;
//The scale image is displayed on this image view.
virtual void display()
{
show(scaledImage);
}
public:
DetectedImageView(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);
}
}
~DetectedImageView()
{
}
void loadImage(const char* filename,
int imageLoadingFlag= CV_LOAD_IMAGE_COLOR,
int scalingRatio=100)
{
originalImage = readImage(filename, imageLoadingFlag);
detectedImage = originalImage.clone();
detectedImage.create( originalImage.size(), originalImage.type() );
scaleImage(detectedImage, scaledImage, scalingRatio);
}
void rescale(int scalingRatio)
{
scaledImage.release();
scaleImage(detectedImage, scaledImage, scalingRatio);
}
void detect(int scalingRatio)
{
std::vector<cv::KeyPoint> keypoints;
//OpenCV2.4.8
//CV_WRAP StarDetector(int _maxSize=45, int _responseThreshold=30,
// int _lineThresholdProjected=10,
// int _lineThresholdBinarized=8,
// int _suppressNonmaxSize=5);
cv::Ptr<cv::StarDetector> detector = new cv::StarDetector();
detector->detect(detectedImage, keypoints);
drawKeypoints(detectedImage, keypoints, detectedImage,
cv::Scalar(0x00, 0x00, 0xff)); //RED in BGR
scaleImage(detectedImage, scaledImage, scalingRatio);
}
};
//Inner classes end.
private:
StringT<char> imageFile;
int imageLoadingFlag;
int imageScalingRatio; //percentage
SmartPtr<Label> label;
SmartPtr<OriginalImageView> originalImage;
SmartPtr<DetectedImageView> detectedImage;
SmartPtr<RowColumn> controlPane;
SmartPtr<OpenCVScaleComboBox> scaleComboBox;
SmartPtr<FileOpenDialog> fileDialog;
public:
void scaleChanged(Action& action)
{
int val = scaleComboBox->getScale();
if (val > 0 && imageScalingRatio != val) {
imageScalingRatio = val;
originalImage -> rescale(imageScalingRatio);
detectedImage -> rescale(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();
detectedImage ->loadImage(filename,
imageLoadingFlag, imageScalingRatio);
detectedImage->detect(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 && detectedImage && controlPane
) {
label -> reshape(0, 0, w, LB_HEIGHT);
originalImage-> reshape(0, LB_HEIGHT, ww/2, hh);
detectedImage -> 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/Geometry.png";
imageLoadingFlag = CV_LOAD_IMAGE_COLOR;
imageScalingRatio = 60; //%
try {
Args ar;
CompoundString fileNamecs((const char*)imageFile);
ar.set(XmNlabelString, fileNamecs);
ar.set(XmNalignment, XmALIGNMENT_BEGINNING);
label = new Label(bboard, "", ar);
ar.reset();
ar.set(XmNimageFileName, (const char*)imageFile);
ar.set(XmNimageLoadingFlag, imageLoadingFlag);
ar.set(XmNimageScalingRatio, imageScalingRatio);
originalImage = new OriginalImageView(bboard, "", ar);
ar.reset();
ar.set(XmNimageFileName, (const char*)imageFile);
ar.set(XmNimageLoadingFlag, imageLoadingFlag);
ar.set(XmNimageScalingRatio, imageScalingRatio);
detectedImage = new DetectedImageView(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);
detectedImage->detect(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;
}
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