59 lines
1.3 KiB
C++
59 lines
1.3 KiB
C++
#ifndef COLORWHEEL_H
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#define COLORWHEEL_H
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#include <QWidget>
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class ColorWheel : public QWidget
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{
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Q_OBJECT
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public:
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explicit ColorWheel(QWidget *parent = 0);
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virtual QSize sizeHint () const;
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virtual QSize minimumSizeHint () const;
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QColor color();
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signals:
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void colorChanged(const QColor color);
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public slots:
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void setColor(const QColor &color);
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protected:
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void mousePressEvent(QMouseEvent *event);
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void mouseMoveEvent(QMouseEvent *event);
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void mouseReleaseEvent(QMouseEvent *);
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void resizeEvent(QResizeEvent *event);
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void paintEvent(QPaintEvent *);
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private:
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QSize initSize;
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QImage wheelImage;
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QImage squareImage;
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QPixmap wheel;
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bool mouseDown;
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QPoint lastPos;
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int margin;
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int wheelWidth;
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QRegion wheelRegion;
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QRegion squareRegion;
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QColor current;
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bool inWheel;
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bool inSquare;
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int x_offset;
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int y_offset;
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QPixmap CleanWheel;
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QImage CleanSquare;
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QColor posColor(const QPoint &point);
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void drawWheelImage(const QSize &newSize);
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void drawIndicator(const int &hue);
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void drawPicker(const QColor &color);
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void drawSquareImage(const int &hue);
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void composeWheel();
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private slots:
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void hueChanged(const int &hue);
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void svChanged(const QColor &newcolor);
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};
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#endif // COLORWHEEL_H
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