##// END OF EJS Templates
Clear chart image to transparent when necessary....
Clear chart image to transparent when necessary. If there is any transparency in the background, image clear should be done every time chart is rendered to avoid artifacts from previous render. Background shape change also triggers the clear, but that is needed only once. Change-Id: If0a762d2e2e01cf3a94a5d2f6845613deb619bdd Reviewed-by: Titta Heikkala <titta.heikkala@theqtcompany.com>

File last commit:

r2845:ae12522d475c
r2850:57e4c71e5532
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qpieslice.h
151 lines | 4.7 KiB | text/x-c | CLexer
/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Charts module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#ifndef QPIESLICE_H
#define QPIESLICE_H
#include <QtCharts/QChartGlobal>
#include <QtCore/QObject>
#include <QtGui/QPen>
#include <QtGui/QBrush>
#include <QtGui/QFont>
QT_CHARTS_BEGIN_NAMESPACE
class QPieSlicePrivate;
class QPieSeries;
class QT_CHARTS_EXPORT QPieSlice : public QObject
{
Q_OBJECT
Q_ENUMS(LabelPosition)
Q_PROPERTY(QString label READ label WRITE setLabel NOTIFY labelChanged)
Q_PROPERTY(qreal value READ value WRITE setValue NOTIFY valueChanged)
Q_PROPERTY(bool labelVisible READ isLabelVisible WRITE setLabelVisible NOTIFY labelVisibleChanged)
Q_PROPERTY(LabelPosition labelPosition READ labelPosition WRITE setLabelPosition)
Q_PROPERTY(bool exploded READ isExploded WRITE setExploded)
Q_PROPERTY(QPen pen READ pen WRITE setPen NOTIFY penChanged)
Q_PROPERTY(QColor borderColor READ borderColor WRITE setBorderColor NOTIFY borderColorChanged)
Q_PROPERTY(int borderWidth READ borderWidth WRITE setBorderWidth NOTIFY borderWidthChanged)
Q_PROPERTY(QBrush brush READ brush WRITE setBrush NOTIFY brushChanged)
Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
Q_PROPERTY(QBrush labelBrush READ labelBrush WRITE setLabelBrush NOTIFY labelBrushChanged)
Q_PROPERTY(QColor labelColor READ labelColor WRITE setLabelColor NOTIFY labelColorChanged)
Q_PROPERTY(QFont labelFont READ labelFont WRITE setLabelFont NOTIFY labelFontChanged)
Q_PROPERTY(qreal labelArmLengthFactor READ labelArmLengthFactor WRITE setLabelArmLengthFactor)
Q_PROPERTY(qreal explodeDistanceFactor READ explodeDistanceFactor WRITE setExplodeDistanceFactor)
Q_PROPERTY(qreal percentage READ percentage NOTIFY percentageChanged)
Q_PROPERTY(qreal startAngle READ startAngle NOTIFY startAngleChanged)
Q_PROPERTY(qreal angleSpan READ angleSpan NOTIFY angleSpanChanged)
public:
enum LabelPosition {
LabelOutside,
LabelInsideHorizontal,
LabelInsideTangential,
LabelInsideNormal
};
public:
explicit QPieSlice(QObject *parent = 0);
QPieSlice(QString label, qreal value, QObject *parent = 0);
virtual ~QPieSlice();
void setLabel(QString label);
QString label() const;
void setValue(qreal value);
qreal value() const;
void setLabelVisible(bool visible = true);
bool isLabelVisible() const;
LabelPosition labelPosition();
void setLabelPosition(LabelPosition position);
void setExploded(bool exploded = true);
bool isExploded() const;
void setPen(const QPen &pen);
QPen pen() const;
QColor borderColor();
void setBorderColor(QColor color);
int borderWidth();
void setBorderWidth(int width);
void setBrush(const QBrush &brush);
QBrush brush() const;
QColor color();
void setColor(QColor color);
void setLabelBrush(const QBrush &brush);
QBrush labelBrush() const;
QColor labelColor();
void setLabelColor(QColor color);
void setLabelFont(const QFont &font);
QFont labelFont() const;
void setLabelArmLengthFactor(qreal factor);
qreal labelArmLengthFactor() const;
void setExplodeDistanceFactor(qreal factor);
qreal explodeDistanceFactor() const;
qreal percentage() const;
qreal startAngle() const;
qreal angleSpan() const;
QPieSeries *series() const;
Q_SIGNALS:
void clicked();
void hovered(bool state);
void pressed();
void released();
void doubleClicked();
void labelChanged();
void valueChanged();
void labelVisibleChanged();
void penChanged();
void brushChanged();
void labelBrushChanged();
void labelFontChanged();
void percentageChanged();
void startAngleChanged();
void angleSpanChanged();
void colorChanged();
void borderColorChanged();
void borderWidthChanged();
void labelColorChanged();
private:
QPieSlicePrivate * const d_ptr;
Q_DECLARE_PRIVATE(QPieSlice)
Q_DISABLE_COPY(QPieSlice)
};
QT_CHARTS_END_NAMESPACE
#endif // QPIESLICE_H