#include "imagehandler.h"

#include <QGraphicsObject>

#include <QImage>

#include <QPainter>

#include <QStyleOptionGraphicsItem>

#include <QDebug>

ImageHandler::ImageHandler(QObject *parent) :

QObject(parent)

{

}

QImage ImageHandler::extractQImage(QObject *imageObj,

const double offsetX, const double offsetY,

const double width, const double height)

{

QGraphicsObject *item = qobject_cast<QGraphicsObject*>(imageObj);

if (!item) {

qDebug() << "Item is NULL";

return QImage();

}

QImage img(item->boundingRect().size().toSize(), QImage::Format_RGB32);

img.fill(QColor(255, 255, 255).rgb());

QPainter painter(&img);

QStyleOptionGraphicsItem styleOption;

item->paint(&painter, &styleOption);

if(offsetX == 0 && offsetY == 0 && width == 0 && height == 0)

return img;

else

{

return img.copy(offsetX, offsetY, width, height);

}

}

void ImageHandler::save(QObject *imageObj, const QString &path,

const double offsetX, const double offsetY,

const double width, const double height)

{

QImage img = extractQImage(imageObj, offsetX, offsetY, width, height);

img.save(path);

}