Finished prototype

mainwindow.cpp

@@ -2,36 +2,53 @@
 #include <QStandardPaths>
 #include <QFileDialog>
 #include <QMenuBar>
+#include <QPushButton>
+#include <QLineEdit>
+#include <QDockWidget>
+#include <QHBoxLayout>
 #include "clahe.h"
 
+const QString imageFilter = "Images (*.png *.jpg *.jpeg);;All files (*)";
+
 MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent)
 {
     setupUI();
+    _clahe = new CLAHE;
 }
 
 MainWindow::~MainWindow()
 {
+    delete _clahe;
 }
 
 void MainWindow::openFile()
 {
     QStringList list = QStandardPaths::standardLocations(QStandardPaths::StandardLocation::PicturesLocation);
     list.append("");
-    QString path = QFileDialog::getOpenFileName(this, tr("Open image"), list.first(), tr("Images (*.png *.jpg *.jpeg);;All files (*)"));
+    QString path = QFileDialog::getOpenFileName(this, tr("Open image"), list.first(), imageFilter);
     if(!path.isEmpty())
     {
-        CLAHE cl;
-        cl.loadFile(path);
-        cl.apply(5, 64);
-        QPixmap pixmap;
-        pixmap = cl.getImage();
-        _image->setPixmap(pixmap);
+        _clahe->loadFile(path);
+        applyClahe();
     }
 }
 
 void MainWindow::saveFile()
 {
+    QStringList list = QStandardPaths::standardLocations(QStandardPaths::StandardLocation::PicturesLocation);
+    QString path = QFileDialog::getSaveFileName(this, tr("Save image"), list.first(), imageFilter);
+    if(!path.isEmpty())
+    {
+        _clahe->saveFile(path);
+    }
+}
 
+void MainWindow::applyClahe()
+{
+    QPixmap pixmap;
+    _clahe->apply(_clipLimitSlider->value()/100.0f, _kernelSizeSelect->currentText().toInt());
+    pixmap = _clahe->getImage();
+    _imageScrollArea->setImage(pixmap);
 }
 
 void MainWindow::setupUI()
@@ -43,6 +60,39 @@ void MainWindow::setupUI()
     fileMenu->addAction(tr("Save file"), this, SLOT(saveFile()), QKeySequence("Ctrl+S"));
     fileMenu->addAction(tr("Quit"), this, SLOT(close()), QKeySequence("Ctrl+Q"));
 
-    _image = new QLabel(this);
-    setCentralWidget(_image);
+    _clipLimitEdit  = new QLineEdit;
+    _clipLimitEdit->setInputMask("000.00");
+    _clipLimitEdit->setText("1.00");
+    _clipLimitEdit->setMaximumWidth(100);
+
+    _clipLimitSlider = new QSlider(Qt::Horizontal);
+    _clipLimitSlider->setRange(0, 10000);
+    _clipLimitSlider->setValue(100);
+    connect(_clipLimitSlider, SIGNAL(valueChanged(int)), this, SLOT(clipSliderValueChanged(int)));
+
+    QPushButton *applyButton = new QPushButton(tr("Apply"));
+    connect(applyButton, SIGNAL(clicked()), this, SLOT(applyClahe()));
+
+    _kernelSizeSelect = new QComboBox;
+    _kernelSizeSelect->addItems({"8", "16", "32", "64", "128", "256"});
+
+    QHBoxLayout *claheLayout = new QHBoxLayout;
+    claheLayout->addWidget(_clipLimitEdit);
+    claheLayout->addWidget(_clipLimitSlider);
+    claheLayout->addWidget(_kernelSizeSelect);
+    claheLayout->addWidget(applyButton);
+
+    QDockWidget *claheDock = new QDockWidget(tr("CLAHE"), this);
+    QWidget *claheWidget = new QWidget(claheDock);
+    claheDock->setWidget(claheWidget);
+    claheWidget->setLayout(claheLayout);
+    addDockWidget(Qt::TopDockWidgetArea, claheDock);
+
+    _imageScrollArea = new ImageScrollArea(this);
+    setCentralWidget(_imageScrollArea);
+}
+
+void MainWindow::clipSliderValueChanged(int value)
+{
+    _clipLimitEdit->setText(QString::number(value/100.0));
 }