File indexing completed on 2025-03-09 04:05:59

 /* This file is part of the KDE project
  * SPDX-FileCopyrightText: 2014 Dan Leinir Turthra Jensen <admin@leinir.dk>
  *
  * SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
  *
  */
 
 #include "CurveEditorItem.h"
 
 #include "kis_curve_widget.h"
 #include <QPainter>
 #include <QMouseEvent>
 #include <kis_debug.h>
 
 class CurveEditorItem::Private
 {
 public:
     Private(CurveEditorItem* qq)
         : q(qq)
     {
         curveWidget = new KisCurveWidget();
     }
     ~Private()
     {
         delete curveWidget;
     }
     void repaint();
 
     CurveEditorItem* q;
     KisCurveWidget* curveWidget;
     QImage contents;
 
 };
 
 CurveEditorItem::CurveEditorItem(QQuickItem* parent)
     : QQuickPaintedItem(parent)
     , d(new Private(this))
 {
     setFlag(QQuickItem::ItemHasContents, true);
     setAcceptedMouseButtons( Qt::LeftButton | Qt::RightButton | Qt::MiddleButton );
     connect(d->curveWidget, SIGNAL(pointSelectedChanged()), SIGNAL(pointSelectedChanged()));
     connect(d->curveWidget, SIGNAL(modified()), SIGNAL(curveChanged()));
     qRegisterMetaType<KisCubicCurve>();
 }
 
 CurveEditorItem::~CurveEditorItem()
 {
     delete d;
 }
 
 void CurveEditorItem::paint(QPainter* p)
 {
     p->drawImage(boundingRect(), d->contents);
 }
 
 KisCubicCurve CurveEditorItem::curve() const
 {
     return d->curveWidget->curve();
 }
 
 void CurveEditorItem::setCurve(KisCubicCurve curve)
 {
     d->curveWidget->setCurve(curve);
     emit curveChanged();
 }
 
 bool CurveEditorItem::pointSelected() const
 {
     return d->curveWidget->pointSelected();
 }
 
 void CurveEditorItem::deleteSelectedPoint()
 {
     if(pointSelected()) {
         QKeyEvent* event = new QKeyEvent(QEvent::KeyPress, Qt::Key_Delete, Qt::NoModifier);
         d->curveWidget->keyPressEvent(event);
         d->repaint();
     }
 }
 
 void CurveEditorItem::Private::repaint()
 {
     curveWidget->resize(q->boundingRect().size().toSize());
     contents = QImage(q->boundingRect().size().toSize(), QImage::Format_ARGB32_Premultiplied);
     contents.fill(Qt::blue);
     curveWidget->render(&contents);
     q->update();
 }
 
 void CurveEditorItem::geometryChanged(const QRectF& newGeometry, const QRectF& oldGeometry)
 {
     d->repaint();
     QQuickPaintedItem::geometryChanged(newGeometry, oldGeometry);
 }
 
 void CurveEditorItem::mousePressEvent(QMouseEvent* event)
 {
     QMouseEvent* mouseEvent = new QMouseEvent(event->type(), event->pos(), event->button(), event->buttons(), event->modifiers());
     d->curveWidget->mousePressEvent(mouseEvent);
     if(mouseEvent->isAccepted()) {
         event->accept();
     }
     d->repaint();
 }
 
 void CurveEditorItem::mouseMoveEvent(QMouseEvent* event)
 {
     QMouseEvent* mouseEvent = new QMouseEvent(event->type(), event->pos(), event->button(), event->buttons(), event->modifiers());
     d->curveWidget->mouseMoveEvent(mouseEvent);
     if(mouseEvent->isAccepted()) {
         event->accept();
     }
     d->repaint();
 }
 
 void CurveEditorItem::mouseReleaseEvent(QMouseEvent* event)
 {
     QMouseEvent* mouseEvent = new QMouseEvent(event->type(), event->pos(), event->button(), event->buttons(), event->modifiers());
     d->curveWidget->mouseReleaseEvent(mouseEvent);
     if(mouseEvent->isAccepted()) {
         event->accept();
     }
     d->repaint();
 }