42 lines
722 B
C++
42 lines
722 B
C++
/*
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功能：界面中的色调区域
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*/
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#ifndef HCOLORAREA_H
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#define HCOLORAREA_H
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#include <QWidget>
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class HColorArea : public QWidget
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{
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Q_OBJECT
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public:
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HColorArea(QWidget *parent);
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~HColorArea();
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void setHue(int);
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protected:
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void paintEvent(QPaintEvent *);
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void mousePressEvent(QMouseEvent *);
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void mouseMoveEvent(QMouseEvent *);
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private:
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void createHuePixmap(); //创建pixmap
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signals:
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void hueChangedSignal(int); //色调值改变发出信号
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private:
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QPixmap m_huePixmap;
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double m_hue;
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int m_iHue;
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const int m_iColorHeight=256; //颜色区域的高度
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const int m_iColorWidth=25; //颜色区域的宽度
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const int topMargin = 7;
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const int rightMargin = 9;
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};
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#endif // HCOLORAREA_H
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