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/*
For general Scribus (>=1.3.2) copyright and licensing information please refer
to the COPYING file provided with the program. Following this notice may exist
a copyright and/or license notice that predates the release of Scribus 1.3.2
for which a new license (GPL+exception) is in place.
*/
#ifndef CURVEWIDGET_H
#define CURVEWIDGET_H
#include <QWidget>
#include <QEvent>
#include <QMouseEvent>
#include <QKeyEvent>
#include <QPaintEvent>
class QEvent;
#include "fpointarray.h"
#include "scribusapi.h"
class QVBoxLayout;
class QHBoxLayout;
class QPushButton;
class QPixmap;
class QSpacerItem;
class SCRIBUS_API KCurve : public QWidget
{
Q_OBJECT
public:
KCurve(QWidget *parent);
virtual ~KCurve();
protected:
void paintEvent(QPaintEvent *);
void keyPressEvent(QKeyEvent *);
void mousePressEvent (QMouseEvent * e);
void mouseReleaseEvent ( QMouseEvent * e );
void mouseMoveEvent ( QMouseEvent * e );
void leaveEvent ( QEvent * );
public:
double getCurveValue(double x);
FPointArray getCurve();
void setCurve(FPointArray inlist);
void resetCurve();
void setLinear(bool setter);
bool isLinear();
signals:
void modified();
private:
double m_leftmost;
double m_rightmost;
FPoint m_grab_point;
int m_pos;
bool m_dragging;
bool m_linear;
double m_grabOffsetX;
double m_grabOffsetY;
FPointArray m_points;
FPointArray m_points_back;
};
class SCRIBUS_API CurveWidget : public QWidget
{
Q_OBJECT
public:
CurveWidget(QWidget* parent);
~CurveWidget() {};
virtual void changeEvent(QEvent *e);
void setLinear(bool setter);
QPushButton* invertButton;
QPushButton* resetButton;
QPushButton *linearButton;
QPushButton* loadButton;
QPushButton* saveButton;
KCurve* cDisplay;
private slots:
void doInvert();
void doReset();
void doLinear();
void doLoad();
void doSave();
protected:
QHBoxLayout* CurveWidgetLayout;
QVBoxLayout* layout1;
QSpacerItem* spacer1;
protected slots:
virtual void languageChange();
};
#endif // CURVEWIDGET_H
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