colorwheelwidget.h

/*
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 COLORWHEELWIDGET_H
#define COLORWHEELWIDGET_H

#include <QLabel>

#include "scribusstructs.h"
#include "sccolor.h"

class ScribusDoc;

typedef QMap<int,ScColor> ColorMap;

class ColorWheel : public QLabel
{
    Q_OBJECT

    public:
        ColorWheel(QWidget * parent, const char * name = 0);
        ~ColorWheel(){};

        enum MethodType {
            Monochromatic,
            Analogous,
            Complementary,
            Split,
            Triadic,
            Tetradic
        };

        ScribusDoc* currentDoc;

        QString trBaseColor;

        colorModel currentColorSpace;

        MethodType currentType;

        int angle;

        int baseAngle;

        ScColor actualColor;

        ColorList colorList;

        QString getTypeDescription(MethodType aType);

        ScColor colorByAngle(int angle);

        void makeColors();

        bool recomputeColor(ScColor col);

    signals:
        void clicked(int button, const QPoint & point);

    protected:
        ColorMap colorMap;

        int angleShift;

        int widthH;
        int heightH;

        void mouseReleaseEvent(QMouseEvent *e);
        void mousePressEvent(QMouseEvent *e);
        void mouseMoveEvent(QMouseEvent *e);
        void paintEvent(QPaintEvent *);

        void makeMonochromatic();

        void makeAnalogous();

        void makeComplementary();

        void makeSplit();

        void makeTriadic();

        void makeTetradic();

        void paintCenterSample();
        void paintWheel();

        ScColor sampleByAngle(int angle);

        void baseColor();

        ScColor colorSpaceColor(ScColor col);

        void drawBorderPoint(int angle, bool base=false, bool clear=false);

//      void clearBorder();

        int valueFromPoint(const QPoint & p) const;

        typedef struct
        {
            int angle;
            bool base;
        } PaintPoint;
        QList<PaintPoint> pointList;
};

#endif