1 files changed, 79 insertions, 0 deletions
diff --git a/krita/ui/kcurve.h b/krita/ui/kcurve.h
new file mode 100644
index 00000000..412efe5b
--- /dev/null
+++ b/krita/ui/kcurve.h
@@ -0,0 +1,79 @@
+/* ============================================================
+ * 
+ * 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
+
+// Qt includes.
+
+#include <qwidget.h>
+#include <qcolor.h>
+#include <qpair.h>
+#include <qsortedlist.h>
+#include <koffice_export.h>
+class KRITAUI_EXPORT KCurve : public QWidget
+{
+Q_OBJECT
+
+public:
+    KCurve(QWidget *parent = 0, const char *name = 0, WFlags f = 0);
+
+    virtual ~KCurve();
+
+    void reset(void);
+    void setCurveGuide(QColor color);
+    void setPixmap(QPixmap pix);
+
+
+signals:
+    
+    void modified(void);
+            
+protected:
+
+    void keyPressEvent(QKeyEvent *);
+    void paintEvent(QPaintEvent *);
+    void mousePressEvent (QMouseEvent * e);
+    void mouseReleaseEvent ( QMouseEvent * e );
+    void mouseMoveEvent ( QMouseEvent * e );
+    void leaveEvent ( QEvent * );
+    
+public:
+    static double getCurveValue(QPtrList<QPair<double,double> > &curve, double x);
+    double getCurveValue(double x);
+    
+    QPtrList<QPair<double,double> > getCurve();
+    void setCurve(QPtrList<QPair<double,double> >inlist);
+
+private:
+    double m_leftmost;
+    double m_rightmost;
+    QPair<double,double> *m_grab_point;
+    bool m_dragging;
+    double m_grabOffsetX;
+    double m_grabOffsetY;
+    
+    bool m_readOnlyMode;
+    bool m_guideVisible;
+    QColor m_colorGuide;
+    QPtrList<QPair<double,double> > m_points;
+    QPixmap *m_pix;
+};
+
+
+#endif /* KCURVE_H */