You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
81 lines
2.1 KiB
81 lines
2.1 KiB
/* ============================================================
|
|
*
|
|
* Copyright 2004-2005 by Gilles Caulier (original work as digikam curveswidget)
|
|
* Copyright 2005 by Casper Boemann (reworked to be generic)
|
|
*
|
|
* This program is free software; you can redistribute it
|
|
* and/or modify it under the terms of the GNU General
|
|
* Public License as published by the Free Software Foundation;
|
|
* either version 2, or (at your option)
|
|
* any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* ============================================================ */
|
|
|
|
#ifndef KCURVE_H
|
|
#define KCURVE_H
|
|
|
|
// TQt includes.
|
|
|
|
#include <tqwidget.h>
|
|
#include <tqcolor.h>
|
|
#include <tqpair.h>
|
|
#include <tqsortedlist.h>
|
|
#include <koffice_export.h>
|
|
class KRITAUI_EXPORT KCurve : public TQWidget
|
|
{
|
|
Q_OBJECT
|
|
|
|
|
|
public:
|
|
KCurve(TQWidget *parent = 0, const char *name = 0, WFlags f = 0);
|
|
|
|
virtual ~KCurve();
|
|
|
|
void reset(void);
|
|
void setCurveGuide(TQColor color);
|
|
void setPixmap(TQPixmap pix);
|
|
|
|
|
|
signals:
|
|
|
|
void modified(void);
|
|
|
|
protected:
|
|
|
|
void keyPressEvent(TQKeyEvent *);
|
|
void paintEvent(TQPaintEvent *);
|
|
void mousePressEvent (TQMouseEvent * e);
|
|
void mouseReleaseEvent ( TQMouseEvent * e );
|
|
void mouseMoveEvent ( TQMouseEvent * e );
|
|
void leaveEvent ( TQEvent * );
|
|
|
|
public:
|
|
static double getCurveValue(TQPtrList<TQPair<double,double> > &curve, double x);
|
|
double getCurveValue(double x);
|
|
|
|
TQPtrList<TQPair<double,double> > getCurve();
|
|
void setCurve(TQPtrList<TQPair<double,double> >inlist);
|
|
|
|
private:
|
|
double m_leftmost;
|
|
double m_rightmost;
|
|
TQPair<double,double> *m_grab_point;
|
|
bool m_dragging;
|
|
double m_grabOffsetX;
|
|
double m_grabOffsetY;
|
|
|
|
bool m_readOnlyMode;
|
|
bool m_guideVisible;
|
|
TQColor m_colorGuide;
|
|
TQPtrList<TQPair<double,double> > m_points;
|
|
TQPixmap *m_pix;
|
|
};
|
|
|
|
|
|
#endif /* KCURVE_H */
|