KShare/cropeditor/drawing/bluritem.cpp

37 lines
1.1 KiB
C++

#include "bluritem.hpp"
#include <QDebug>
#include <cropeditor/settings/blurdialog.hpp>
#include <effects.hpp>
void BlurItem::init(CropScene *)
{
effect = new QGraphicsBlurEffect;
BlurDialog(effect).exec();
}
void BlurItem::mouseDragEvent(QGraphicsSceneMouseEvent *e, CropScene *scene)
{
if (pos.isNull())
{
pos = e->scenePos();
rect = scene->addRect(QRect(e->scenePos().toPoint(), QSize(1, 1)), QPen(Qt::cyan), Qt::NoBrush);
pixmap = scene->addPixmap(scene->pixmap()->copy(rect->rect().toRect()));
pixmap->setPos(e->scenePos());
pixmap->setZValue(rect->zValue() - 0.1);
pixmap->setGraphicsEffect(effect);
}
else
{
QPointF p = e->scenePos();
rect->setRect(QRect(qMin(pos.x(), p.x()), qMin(pos.y(), p.y()), qAbs(pos.x() - p.x()), qAbs(pos.y() - p.y())));
pixmap->setPixmap(scene->pixmap()->copy(rect->rect().toRect()));
pixmap->setPos(rect->rect().topLeft());
}
}
void BlurItem::mouseDragEndEvent(QGraphicsSceneMouseEvent *, CropScene *)
{
if (rect != nullptr) rect->setPen(Qt::NoPen);
}