a lot of stuff related to ocr/ofd method

imageview/imageview.cpp

@@ -0,0 +1,51 @@
+#include <QWheelEvent>
+#include "imageview.h"
+#include <iostream>
+
+
+ImageView::ImageView(QWidget *parent) :
+    QLabel(parent) {
+
+    // std::cout << this->geometry().height() << " " << this->geometry().width() << std::endl;
+}
+
+// ImageView::ImageView(QWidget *parent, std::string path):
+//     QLabel(parent) {
+//     this->setPixmap(QPixmap(QString::fromStdString(path)));
+// }
+
+void ImageView::wheelEvent(QWheelEvent *event) {
+    QPointF shift = event->position();
+    QRegion r = QRegion();
+    // this->pixmap(Qt::ReturnByValueConstant::ReturnByValue).scroll(10, 10, this->rect(), &r);
+    this->scroll(shift.x(), shift.y(), this->rect());
+    // this->setPixmap(QPixmap());
+    // pm.scroll(shift.x(), shift.y(), this->rect());
+
+    // pm.scroll();
+    // this->setPixmap(pm);
+
+    //this->pixmap(Qt::ReturnByValueConstant::ReturnByValue).scroll(shift.x(), shift.y(), this->pixmap()->rect());
+
+    QPoint numDegrees = event->angleDelta() / 8;
+    std::cout << numDegrees.x() << std::endl;
+    event->accept();
+}
+
+void ImageView::setImage(std::string image){
+    //Commented is a way of scaling that is, as I understand, is lossless. If there'll be problems with current method's losses, I'll return to commented method
+
+    maxHeight = this->height();
+    maxWidth = this->width();
+
+    QPixmap pixmap = QPixmap(QString::fromStdString(image));
+    // double scaleFactor = pixmap.height() > pixmap.width()? static_cast<double>(maxHeight) / pixmap.height() : static_cast<double>(maxWidth) / pixmap.width();
+
+    pixmap = pixmap.scaled(maxWidth, maxHeight, Qt::AspectRatioMode::KeepAspectRatio);
+
+
+    this->setPixmap(pixmap);
+
+    // this->setGeometry(this->geometry().x(), this->geometry().y(), pixmap.width() * scaleFactor, pixmap.height() * scaleFactor);
+    // this->setScaledContents(true);
+}

imageview/imageview.h

@@ -0,0 +1,19 @@
+#ifndef IMAGEVIEW_H
+#define IMAGEVIEW_H
+
+#include <QLabel>
+#include <QObject>
+#include <QWidget>
+
+class ImageView : public QLabel
+{
+    Q_OBJECT
+
+    double maxHeight, maxWidth;
+public:
+    ImageView(QWidget *parent=nullptr);
+    // ImageView(QWidget *parent=nullptr, std::string path="");
+    void wheelEvent(QWheelEvent*);
+    void setImage(std::string);
+};
+#endif // IMAGEVIEW_H