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SOL9 Sample: SolFeatureDetector
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1 Screenshot
2 Source code
/*
* SolFeatureDetector.cpp
* Copyright (c) 2015 Antillia.com TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*/
//2017/04/10
//2017/12/01 Added save, saveAs methods to MainView.
#define _CONSOLE_
#include <sol/Pair.h>
#include <sol/ModuleFileName.h>
#include <sol/DropFiles.h>
#include <sol/Label.h>
#include <sol/ComboBox.h>
#include <sol/ComboBoxColorChooser.h>
#include <sol/PushButton.h>
#include <sol/FileDialog.h>
#include <sol/opencv/OpenCVApplicationView.h>
#include <sol/opencv/OpenCVImageView.h>
namespace SOL {
class MainView :public OpenCVApplicationView {
private:
typedef enum {
/* AgastFeatureDetector */ DETECTOR_AGAST,
/* AKAZEFeatureDetector */ DETECTOR_AKAZE,
/* BRISKFeatureDetector */ DETECTOR_BRISK,
/* FastFeatureDetector */ DETECTOR_FAST,
/* GFTTDetector */ DETECTOR_GFTT,
/* KAZEFeatureDetector */ DETECTOR_KAZE,
/* MSERFeatureDetector */ DETECTOR_MSER,
/* ORBFeatureDetector */ DETECTOR_ORB,
} DETECTOR;
private:
////////////////////////////////////////////////////////////////////////////////////////
//Inner classes start.
class OriginalImageView :public OpenCVImageView {
private:
cv::Mat originalImage;
//This is a mandatory method, because in parent class it's declared
//as a pure virtual function.
cv::Mat& getMat()
{
return originalImage;
}
void display()
{
show(originalImage);
}
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);
loadImage(filename, imageLoadingFlag);
} catch (SOL::Exception ex) {
caught(ex);
}
}
~OriginalImageView()
{
}
void loadImage(const char* filename, int imageLoadingFlag= CV_LOAD_IMAGE_COLOR)
{
try {
originalImage = readImage(filename, imageLoadingFlag);
refresh();
} catch (Exception& ex) {
caught(ex);
}
}
};
class DetectedImageView :public OpenCVImageView {
private:
cv::Mat originalImage;
cv::Mat detectedImage;
cv::Mat& getMat()
{
return detectedImage;
}
void display()
{
show(detectedImage);
}
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);
loadImage(filename, imageLoadingFlag);
} catch (SOL::Exception ex) {
caught(ex);
}
}
~DetectedImageView()
{
}
void loadImage(const char* filename, int imageLoadingFlag= CV_LOAD_IMAGE_COLOR)
{
try {
originalImage = readImage(filename, imageLoadingFlag);
detectedImage = originalImage;
refresh();
} catch (Exception& ex) {
caught(ex);
}
}
void clear()
{
cv::Mat image = originalImage.clone();
detectedImage = image;
refresh();
}
void detect(DETECTOR detectorIndex, BYTE b, BYTE g, BYTE r)
{
cv::Mat image = originalImage.clone();
detectedImage.release();// = cv::Mat::ones(originalImage.size(), originalImage.type() );
std::vector<cv::KeyPoint> keypoints;
switch (detectorIndex) {
case DETECTOR_AGAST: {
Ptr<AgastFeatureDetector> detector = cv::AgastFeatureDetector::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_AKAZE:{
Ptr<AKAZE> detector = cv::AKAZE::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_BRISK: {
Ptr<BRISK> detector = cv::BRISK::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_FAST: {
Ptr<FastFeatureDetector> detector = cv::FastFeatureDetector::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_GFTT:{
Ptr<GFTTDetector> detector = cv::GFTTDetector::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_KAZE:{
Ptr<KAZE> detector = cv::KAZE::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_MSER: {
Ptr<MSER> detector = cv::MSER::create();
detector->detect(image, keypoints);
}
break;
case DETECTOR_ORB:{
Ptr<ORB> detector = cv::ORB::create(); //use default argments
detector->detect(image, keypoints);
}
break;
default:
break;
}
drawKeypoints(image, keypoints, detectedImage, cv::Scalar(b, g, r));
refresh();
}
};
//Inner classes end.
////////////////////////////////////////////////////////////////////////////////////////
StringT<char> imageFile;
StringT<char> savedImageFile;
SmartPtr<OriginalImageView> originalImage;
SmartPtr<DetectedImageView> detectedImage;
SmartPtr<Label> detectorLabel;
SmartPtr<ComboBox> detectorComboBox;
SmartPtr<Label> keyPointColorLabel;
SmartPtr<ComboBoxColorChooser> keyPointColorChooser;
DETECTOR detectorIndex;
COLORREF keyPointColorRGB;
BYTE keyPointColorRed;
BYTE keyPointColorGreen;
BYTE keyPointColorBlue;
SmartPtr<PushButton> clearButton;
SmartPtr<PushButton> detectButton;
FileDialog filedlg;
void updateCaption()
{
char caption[MAX_PATH];
sprintf_s(caption, CountOf(caption), "%s - %s",
(const char*)imageFile,
getAppName() );
setText(caption);
}
void resize(int w, int h)
{
int workw = 170;
if (originalImage && detectedImage) {
originalImage -> reshape(2, 2, (w-workw)/2-1, h-4);
detectedImage -> reshape((w-workw)/2+1, 2, (w-workw)/2-1, h-4);
detectorLabel -> reshape(w - workw+5, 10, workw-20, 28);
detectorComboBox -> reshape(w - workw+5, 35, workw-20, 120);
keyPointColorLabel -> reshape(w - workw+5, 80, workw-20, 28);
keyPointColorChooser -> reshape(w - workw+5, 105, workw-20, 180);
clearButton -> reshape(w - workw+20, 160, 120, 30);
detectButton -> reshape(w - workw+20, 210, 120, 30);
}
}
const Pair<char*, DETECTOR>* getDetectorsList(int& count)
{
static const Pair<char*, DETECTOR> detectors[] = {
{"AgastFeatureDetector", DETECTOR_AGAST},
{"AKAZEFeatureDetector", DETECTOR_AKAZE},
{"BRISKFeatureDetector", DETECTOR_BRISK},
{"FastFeatureDetector", DETECTOR_FAST},
{"GFTTDetector", DETECTOR_GFTT},
{"KAZEFeatureDetector", DETECTOR_KAZE},
{"MSERFeatureDetector", DETECTOR_MSER},
{"ORBFeatureDetector", DETECTOR_ORB},
};
count = CountOf(detectors);
return detectors;
}
void confirm(Action& action)
{
int rc = MessageBox(NULL, "Are you sure to close this window?", "Confirmation",
MB_OKCANCEL|MB_ICONEXCLAMATION);
if (rc == IDOK) {
exit(action);
}
}
void createImageView()
{
imageFile = "..\\images\\Geometry.png";
int imageLoadingFlag = CV_LOAD_IMAGE_COLOR;
Args ar;
ar.set(XmNimageFileName, imageFile);
ar.set(XmNimageLoadingFlag, imageLoadingFlag);
originalImage = new OriginalImageView(this, "cvwindow1", ar);
originalImage -> addCallback(XmNdropCallback, this,
(Callback)&MainView::dropFiles, NULL);
ar.reset();
ar.set(XmNimageFileName, imageFile);
ar.set(XmNimageLoadingFlag, imageLoadingFlag);
detectedImage = new DetectedImageView(this, "cvwindow2", ar);
}
void detectorChanged(Action& action)
{
detectorIndex = (DETECTOR)detectorComboBox->getCurSel();
//char text[128];
//sprintf_s(text, CountOf(text), "detector %d", detectorIndex);
if (detectedImage) {
detectedImage -> detect(detectorIndex, keyPointColorBlue, keyPointColorGreen, keyPointColorRed);
}
}
void createDetectorInterface()
{
Args ar;
detectorLabel = new Label(this, "Detector", ar);
ar.reset();
ar.set(XmNstyle, CBS_DROPDOWNLIST);
detectorComboBox = new ComboBox(this, "", ar);
int count = 0;
const Pair<char*, DETECTOR>* detectors = getDetectorsList(count);
for (int i =0; i<count; i++) {
detectorComboBox->addString(detectors[i].first);
}
detectorIndex = DETECTOR_AGAST;
detectorComboBox -> setCurSel((int)detectorIndex);
detectorComboBox -> addCallback(XmNselChangeCallback, this,
(Callback)&MainView::detectorChanged, NULL);
}
long colorChoosed(Event& event)
{
//This is not a BGR
keyPointColorRGB = (COLORREF)event.getLParam();
keyPointColorRed = GetRValue(keyPointColorRGB);
keyPointColorGreen = GetGValue(keyPointColorRGB);
keyPointColorBlue = GetBValue(keyPointColorRGB);
if (detectedImage) {
detectedImage -> detect(detectorIndex, keyPointColorBlue, keyPointColorGreen, keyPointColorRed);
}
return 1;
}
void createColorSettingInterface()
{
Args ar;
keyPointColorLabel = new Label(this, "KeyPointColor", ar);
ar.reset();
//ar.set(XmNstyle, CBS_DROPDOWNLIST);
ar.set(XmNstyle, WS_VISIBLE);
ar.set(XmNitemHeight, 32);
ar.set(XmNrgbStep, 0x128);
//ar.set(XmNrgbStep, 0x20);
keyPointColorChooser = new ComboBoxColorChooser(this, "", ar);
keyPointColorChooser -> setCurrentSelection("#FF0000"); //Red
keyPointColorRGB = RGB(0xff, 00, 00);
keyPointColorRed = GetRValue(keyPointColorRGB);
keyPointColorGreen = GetGValue(keyPointColorRGB);
keyPointColorBlue = GetBValue(keyPointColorRGB);
addEventHandler(WM_COMBOBOX_COLORCHOOSER_SELCHANGED, this,
(Handler)&MainView::colorChoosed, NULL);
}
void clear(Action& action)
{
if (detectedImage) {
detectedImage -> clear();
}
}
void detect(Action& action)
{
if (detectedImage) {
detectedImage -> detect(detectorIndex, keyPointColorBlue, keyPointColorGreen, keyPointColorRed);
}
}
void createOperationInterface()
{
Args ar;
clearButton = new PushButton(this, "Clear", ar);
clearButton -> addCallback(XmNactivateCallback, this,
(Callback)&MainView::clear, NULL);
ar.reset();
detectButton = new PushButton(this, "Detect", ar);
detectButton -> addCallback(XmNactivateCallback, this,
(Callback)&MainView::detect, NULL);
}
void openFile(const char* filename)
{
try {
originalImage -> loadImage(filename);
detectedImage -> loadImage(filename);
const char* fname = strrchr(filename, '\\');
if (fname) {
fname++;
}
imageFile = fname;
detectedImage -> detect(detectorIndex, keyPointColorBlue, keyPointColorGreen, keyPointColorRed);
updateCaption();
} catch (Exception& ex) {
caught(ex);
}
}
void dropFiles(Action& action)
{
char fileName[MAX_PATH] = { 0 };
DropFiles drop((HDROP)action.getWParam());
int num = drop.queryFile(0, fileName, CountOf(fileName));
if(num > 0) {
if (filedlg.isImageFileName(fileName)) {
openFile(fileName);
bringUp();
} else {
bringUp(); //Activate and raise this view
showErrorDialog("Invalid image filename", fileName, MB_OK);
}
}
}
public:
MainView(OpenCVApplication& applet, const char* name, Args& args)
:OpenCVApplicationView(applet, name, args)
{
try {
createImageView();
createDetectorInterface();
createColorSettingInterface();
addCallback(XmNmenuCallback, IDM_EXIT, this,
(Callback)&MainView::confirm, NULL);
createOperationInterface();
detectedImage -> detect(detectorIndex, keyPointColorBlue, keyPointColorGreen, keyPointColorRed);
updateCaption();
Args ar;
ar.reset();
ar.set(XmNfilter, FileDialog::getImageFilesFilter());
filedlg.create(this, "OpenFile", ar);
} catch (Exception& ex) {
caught(ex);
}
}
~MainView()
{
}
void open(Action& action)
{
Args ar;
char dir[MAX_PATH] = { 0 };
if (restoreFileFolder(dir, CountOf(dir))) {
ar.set(XmNdirectory, dir);
filedlg.setValues(ar);
}
try {
if(filedlg.open()) {
const char* filename = filedlg.getFileName();
saveFileFolder(filename);
openFile(filename);
}
} catch (Exception& ex) {
caught(ex);
}
}
//2017/12/01
void save(Action& action)
{
try {
if (!savedImageFile.isEmpty()) {
//Write detected image into the filename.
detectedImage->writeImage(savedImageFile);
} else {
saveAs(action);
}
} catch (Exception& ex) {
caught(ex);
}
}
//2017/12/01
void saveAs(Action& action)
{
Args ar;
char dir[MAX_PATH] = { 0 };
if (restoreFileFolder(dir, CountOf(dir))) {
ar.set(XmNdirectory, dir);
filedlg.setValues(ar);
}
try {
if(filedlg.save()) {
const char* filename = filedlg.getFileName();
saveFileFolder(filename);
//Write detected image into the filename.
detectedImage->writeImage(filename);
savedImageFile = filename;
}
} catch (Exception& ex) {
caught(ex);
}
}
};
}
//
void main(int argc, char** argv)
{
try {
ModuleFileName module(argv[0]);
const char* name = module.getAppName();
OpenCVApplication applet(name, argc, argv);
Args args;
args.set(XmNwidth, 900);
args.set(XmNheight, 380);
args.set(XmNbackground, (LONG_PTR)(COLOR_BTNFACE+1));
args.set(XmNexStyle, (LONG_PTR)WS_EX_CONTROLPARENT);
MainView view(applet, name, args);
view.realize();
applet.run();
} catch (SOL::Exception& ex) {
caught(ex);
}
}
Last modified: 2 Dec. 2017
Copyright (c) 2017 Antillia.com ALL RIGHTS RESERVED.