#pragma execution_character_set("utf-8")
// 01 Frame includes
#include "qopencvwidget.h"

QOpencvWidget::QOpencvWidget(QWidget *parent) :
 QWidget(parent) {
 this->Initial();
}

QOpencvWidget::~QOpencvWidget() {
}

void QOpencvWidget::SetSurface(const QImage value) {
 int tmp_height = img_.height() - value.height() ;
 int tmp_width = img_.width() - value.width();
 img_ = value;
 if (tmp_height > 0 || tmp_width > 0) {
 opencv_pixmap_->setOffset(tmp_width / 2, tmp_height / 2);
 } else if (tmp_height < 0 || tmp_width < 0) {
 opencv_pixmap_->setOffset(0, 0);
 }
 opencv_pixmap_->setPixmap(QPixmap::fromImage(img_));
}

QImage QOpencvWidget::GetSurface() {
 return img_;
}

void QOpencvWidget::Initial() {
 this->setObjectName(QStringLiteral("QOpencvWidget"));
 gridLayout = new QGridLayout(this);
 gridLayout->setContentsMargins(0, 0, 0, 0);
 graphicsView = new QOpencvView(this);
 gridLayout->addWidget(graphicsView);
 opencv_scene_ = new QOpencvScene;
 opencv_pixmap_ = new QOpencvPixmapItem;
 graphicsView->setScene(opencv_scene_);
 opencv_scene_->addItem(opencv_pixmap_);
 graphicsView->setDragMode(QGraphicsView::ScrollHandDrag);
 graphicsView->show();
}

QOpencvPixmapItem::QOpencvPixmapItem(QGraphicsPixmapItem *parent):
 QGraphicsPixmapItem(parent) {
}

QOpencvPixmapItem::~QOpencvPixmapItem() {
}
QOpencvScene::QOpencvScene(QGraphicsScene *parent):
 QGraphicsScene(parent) {
}

QOpencvScene::~QOpencvScene() {
}

QOpencvView::QOpencvView(QWidget *parent):
 QGraphicsView(parent) {
}

QOpencvView::~QOpencvView() {
}

void QOpencvView::wheelEvent(QWheelEvent *event) {
 if (event->delta() > 0) {
 this->scale(1.1, 1.1);
 } else {
 this->scale(0.9, 0.9);
 }
}