1 /***************************************************************************
2 * Copyright (C) 2010 by Till Theato (root@ttill.de) *
3 * This file is part of Kdenlive (www.kdenlive.org). *
5 * Kdenlive is free software: you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation, either version 2 of the License, or *
8 * (at your option) any later version. *
10 * Kdenlive is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
15 * You should have received a copy of the GNU General Public License *
16 * along with Kdenlive. If not, see <http://www.gnu.org/licenses/>. *
17 ***************************************************************************/
19 #ifndef BEZIERSPLINEWIDGET_H
20 #define BEZIERSPLINEWIDGET_H
22 #include "cubicbezierspline.h"
27 class BezierSplineWidget : public QWidget
32 BezierSplineWidget(QWidget* parent = 0);
34 CubicBezierSpline spline();
35 void setSpline(const CubicBezierSpline &spline);
38 //void keyPressEvent(QKeyEvent *event);
39 void paintEvent(QPaintEvent *event);
40 void mousePressEvent(QMouseEvent *event);
41 void mouseReleaseEvent(QMouseEvent * event);
42 void mouseMoveEvent(QMouseEvent * event);
43 void leaveEvent(QEvent *event);
44 void resizeEvent(QResizeEvent *event);
47 CubicBezierSpline m_spline;
48 enum modes { ModeDrag, ModeNormal };
49 enum point_types { PTypeH1, PTypeP, PTypeH2 };
51 int m_currentPointIndex;
52 point_types m_currentPointType;
55 double m_grabOriginalX;
56 double m_grabOriginalY;
57 //QPointF m_draggedAwayPoint;
58 //int m_draggedAwayPointIndex;
60 //inline void drawGrid(QPainter &p, int width, int height);
61 int nearestPointInRange(QPointF p, int wWidth, int wHeight, point_types *sel);