##// END OF EJS Templates
Fix zooming in crash...
Fix zooming in crash The bounding rect has to fit inside int limits when zooming in, meaning that the height and width both have to be within the int limits (INT_MAX). QWidget::update() uses a region (based on bounding rect) that has to be compatible with QRect. The geometry change is only done if the bounding rect fulfills this requirement. Task-number: QTRD-1907 Change-Id: I4e874de355390c5fc983ac1e0976bf0d21e2d10c Reviewed-by: Miikka Heikkinen <miikka.heikkinen@digia.com>

File last commit:

r2574:599370d0561c
r2603:1e4c29e111d4
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qchart.h
176 lines | 5.6 KiB | text/x-c | CLexer
/****************************************************************************
**
** Copyright (C) 2013 Digia Plc
** All rights reserved.
** For any questions to Digia, please use contact form at http://qt.digia.com
**
** This file is part of the Qt Enterprise Charts Add-on.
**
** $QT_BEGIN_LICENSE$
** Licensees holding valid Qt Enterprise licenses may use this file in
** accordance with the Qt Enterprise License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.
**
** If you have questions regarding the use of this file, please use
** contact form at http://qt.digia.com
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QCHART_H
#define QCHART_H
#include <QAbstractSeries>
#include <QLegend>
#include <QGraphicsWidget>
#include <QMargins>
class QGraphicsSceneResizeEvent;
QTCOMMERCIALCHART_BEGIN_NAMESPACE
class QAbstractSeries;
class QAbstractAxis;
class QLegend;
class QChartPrivate;
class QBoxPlotSeries;
class QTCOMMERCIALCHART_EXPORT QChart : public QGraphicsWidget
{
Q_OBJECT
Q_PROPERTY(QChart::ChartTheme theme READ theme WRITE setTheme)
Q_PROPERTY(QString title READ title WRITE setTitle)
Q_PROPERTY(bool backgroundVisible READ isBackgroundVisible WRITE setBackgroundVisible)
Q_PROPERTY(bool dropShadowEnabled READ isDropShadowEnabled WRITE setDropShadowEnabled)
Q_PROPERTY(qreal backgroundRoundness READ backgroundRoundness WRITE setBackgroundRoundness)
Q_PROPERTY(QChart::AnimationOptions animationOptions READ animationOptions WRITE setAnimationOptions)
Q_PROPERTY(QMargins minimumMargins READ minimumMargins WRITE setMinimumMargins)
Q_PROPERTY(QMargins margins READ margins WRITE setMargins)
Q_PROPERTY(QChart::ChartType chartType READ chartType)
Q_PROPERTY(bool plotAreaBackgroundVisible READ isPlotAreaBackgroundVisible WRITE setPlotAreaBackgroundVisible)
Q_ENUMS(ChartTheme)
Q_ENUMS(AnimationOption)
Q_ENUMS(ChartType)
public:
enum ChartType {
ChartTypeUndefined = 0,
ChartTypeCartesian,
ChartTypePolar
};
enum ChartTheme {
ChartThemeLight = 0,
ChartThemeBlueCerulean,
ChartThemeDark,
ChartThemeBrownSand,
ChartThemeBlueNcs,
ChartThemeHighContrast,
ChartThemeBlueIcy
};
enum AnimationOption {
NoAnimation = 0x0,
GridAxisAnimations = 0x1,
SeriesAnimations = 0x2,
AllAnimations = 0x3
};
Q_DECLARE_FLAGS(AnimationOptions, AnimationOption)
public:
explicit QChart(QGraphicsItem *parent = 0, Qt::WindowFlags wFlags = 0);
~QChart();
void addSeries(QAbstractSeries *series);
void removeSeries(QAbstractSeries *series);
void removeAllSeries();
QList<QAbstractSeries *> series() const;
// *** deprecated ***
void setAxisX(QAbstractAxis *axis, QAbstractSeries *series = 0);
void setAxisY(QAbstractAxis *axis, QAbstractSeries *series = 0);
QAbstractAxis *axisX(QAbstractSeries *series = 0) const;
QAbstractAxis *axisY(QAbstractSeries *series = 0) const;
// ******************
void addAxis(QAbstractAxis *axis, Qt::Alignment alignment);
void removeAxis(QAbstractAxis *axis);
QList<QAbstractAxis*> axes(Qt::Orientations orientation = Qt::Horizontal|Qt::Vertical, QAbstractSeries *series = 0) const;
void createDefaultAxes();
void setTheme(QChart::ChartTheme theme);
QChart::ChartTheme theme() const;
void setTitle(const QString &title);
QString title() const;
void setTitleFont(const QFont &font);
QFont titleFont() const;
void setTitleBrush(const QBrush &brush);
QBrush titleBrush() const;
void setBackgroundBrush(const QBrush &brush);
QBrush backgroundBrush() const;
void setBackgroundPen(const QPen &pen);
QPen backgroundPen() const;
void setBackgroundVisible(bool visible = true);
bool isBackgroundVisible() const;
void setDropShadowEnabled(bool enabled = true);
bool isDropShadowEnabled() const;
void setBackgroundRoundness(qreal diameter);
qreal backgroundRoundness() const;
void setAnimationOptions(AnimationOptions options);
AnimationOptions animationOptions() const;
void zoomIn();
void zoomOut();
void zoomIn(const QRectF &rect);
void zoom(qreal factor);
void zoomReset();
bool isZoomed();
void scroll(qreal dx, qreal dy);
QLegend *legend() const;
void setMinimumMargins(const QMargins& margins);
QMargins minimumMargins() const;
void setMargins(const QMargins &margins);
QMargins margins() const;
QRectF plotArea() const;
void setPlotAreaBackgroundBrush(const QBrush &brush);
QBrush plotAreaBackgroundBrush() const;
void setPlotAreaBackgroundPen(const QPen &pen);
QPen plotAreaBackgroundPen() const;
void setPlotAreaBackgroundVisible(bool visible = true);
bool isPlotAreaBackgroundVisible() const;
QPointF mapToValue(const QPointF &position, QAbstractSeries *series = 0);
QPointF mapToPosition(const QPointF &value, QAbstractSeries *series = 0);
ChartType chartType() const;
protected:
explicit QChart(QChart::ChartType type, QGraphicsItem *parent, Qt::WindowFlags wFlags);
QScopedPointer<QChartPrivate> d_ptr;
friend class QLegend;
friend class DeclarativeChart;
friend class ChartDataSet;
friend class ChartPresenter;
friend class ChartThemeManager;
friend class QAbstractSeries;
friend class QBoxPlotSeriesPrivate;
Q_DISABLE_COPY(QChart)
};
QTCOMMERCIALCHART_END_NAMESPACE
Q_DECLARE_OPERATORS_FOR_FLAGS(QTCOMMERCIALCHART_NAMESPACE::QChart::AnimationOptions)
#endif // QCHART_H