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#include "cropimageview.h"
#include <QtGui/QPainter>
#include <QtGui/QMouseEvent>
CropImageView::CropImageView(QWidget *parent)
: QWidget(parent)
{
}
void CropImageView::mousePressEvent(QMouseEvent *event)
{
setArea(QRect(event->pos(), m_area.bottomRight()));
update();
}
void CropImageView::mouseMoveEvent(QMouseEvent *event)
{
setArea(QRect(m_area.topLeft(), event->pos()));
update();
}
void CropImageView::mouseReleaseEvent(QMouseEvent *event)
{
mouseMoveEvent(event);
}
void CropImageView::setImage(const QImage &image)
{
m_image = image;
setMinimumSize(image.size());
update();
}
void CropImageView::setArea(const QRect &area)
{
m_area = m_image.rect().intersected(area);
emit cropAreaChanged(m_area);
update();
}
void CropImageView::paintEvent(QPaintEvent *event)
{
Q_UNUSED(event)
QPainter p(this);
if (!m_image.isNull())
p.drawImage(0, 0, m_image);
if (!m_area.isNull()) {
p.setPen(Qt::white);
p.drawRect(m_area);
QPen redDashes;
redDashes.setColor(Qt::red);
redDashes.setStyle(Qt::DashLine);
p.setPen(redDashes);
p.drawRect(m_area);
}
}
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