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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include "qaxis.h"
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#include "qaxis_p.h"
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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/*!
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\class QAxis
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\brief The QAxis class is used for manipulating chart's axis
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and for adding optional axes to the chart.
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\mainclass
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There is only one x Axis, however there can be multiple y axes.
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Each chart series can be bound to exactly one Y axis and the shared common X axis.
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Axis can be setup to show axis line with tick marks, grid lines and shades.
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*/
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/*!
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\qmlclass Axis QAxis
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\brief The Axis element is used for manipulating chart's axes
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There is only one x Axis, however there can be multiple y axes on a ChartView.
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Each chart series can be bound to exactly one Y axis and the shared common X axis.
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Axis can be setup to show axis line with tick marks, grid lines and shades.
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To access Axes you can use ChartView API. For example:
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\code
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ChartView {
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axisX.min: 0
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axisX.max: 3
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axisX.ticksCount: 4
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axisY.min: 0
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axisY.max: 4
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// Add a few series...
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}
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\endcode
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*/
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/*!
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\property QAxis::labelsVisible
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Defines if axis labels are visible.
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*/
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/*!
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\qmlproperty bool Axis::labelsVisible
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Defines if axis labels are visible.
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*/
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/*!
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\property QAxis::min
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Defines the minimum value on the axis.
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*/
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/*!
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\qmlproperty real Axis::min
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Defines the minimum value on the axis.
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*/
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/*!
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\property QAxis::max
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Defines the maximum value on the axis.
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*/
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/*!
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\qmlproperty real Axis::max
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Defines the maximum value on the axis.
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*/
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/*!
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\property QAxis::visible
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The visibility of the axis.
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*/
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/*!
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\qmlproperty bool Axis::visible
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The visibility of the axis.
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*/
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/*!
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\property QAxis::gridVisible
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The visibility of the grid lines.
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*/
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/*!
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\qmlproperty bool Axis::gridVisible
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The visibility of the grid lines.
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*/
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/*!
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\property QAxis::color
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The color of the axis and ticks.
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*/
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/*!
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\qmlproperty color Axis::color
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The color of the axis and ticks.
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*/
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/*!
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\property QAxis::labelsFont
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The font of the axis labels.
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*/
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/*!
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\qmlproperty Font Axis::labelsFont
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The font of the axis labels.
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See the \l {Font} {QML Font Element} for detailed documentation.
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*/
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/*!
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\property QAxis::labelsColor
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The color of the axis labels.
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*/
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/*!
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\qmlproperty color Axis::labelsColor
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The color of the axis labels.
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*/
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/*!
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\property QAxis::labelsAngle
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The angle of the axis labels in degrees.
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*/
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/*!
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\qmlproperty int Axis::labelsAngle
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The angle of the axis labels in degrees.
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*/
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/*!
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\property QAxis::shadesVisible
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The visibility of the axis shades.
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*/
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/*!
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\qmlproperty bool Axis::shadesVisible
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The visibility of the axis shades.
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*/
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/*!
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\property QAxis::shadesColor
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The fill (brush) color of the axis shades.
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*/
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/*!
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\qmlproperty color Axis::shadesColor
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The fill (brush) color of the axis shades.
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*/
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/*!
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\property QAxis::shadesBorderColor
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The border (pen) color of the axis shades.
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*/
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/*!
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\qmlproperty color Axis::shadesBorderColor
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The border (pen) color of the axis shades.
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*/
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/*!
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\property QAxis::ticksCount
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The number of tick marks for the axis.
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*/
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/*!
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\qmlproperty int Axis::ticksCount
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The number of tick marks for the axis.
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*/
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/*!
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\property QAxis::niceNumbersEnabled
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Whether the nice numbers algorithm is enabled or not for the axis.
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*/
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/*!
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\qmlproperty bool Axis::niceNumbersEnabled
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Whether the nice numbers algorithm is enabled or not for the axis.
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*/
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/*!
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\fn void QAxis::visibleChanged(bool)
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Visiblity of the axis has changed to \a visible.
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*/
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/*!
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\fn void QAxis::labelsVisibleChanged(bool)
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Visiblity of the labels of the axis has changed to \a visible.
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*/
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/*!
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\fn void QAxis::gridVisibleChanged(bool)
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Visiblity of the grid lines of the axis has changed to \a visible.
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*/
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/*!
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\fn void QAxis::minChanged(qreal min)
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Axis emits signal when \a min of axis has changed.
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*/
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/*!
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\qmlsignal Axis::onMinChanged(real min)
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Axis emits signal when \a min of axis has changed. This may happen for example if you zoom, scroll or
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enable nice numbers algorithm.
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*/
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/*!
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\fn void QAxis::maxChanged(qreal max)
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Axis emits signal when \a max of axis has changed.
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*/
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/*!
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\qmlsignal Axis::onMaxChanged(real max)
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Axis emits signal when \a max of axis has changed. This may happen for example if you zoom, scroll or
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enable nice numbers algorithm.
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*/
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/*!
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\fn void QAxis::rangeChanged(qreal min, qreal max)
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Axis emits signal when \a min or \a max of axis has changed.
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*/
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/*!
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\qmlsignal Axis::onRangeChanged(real min, real max)
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Axis emits signal when \a min or \a max of axis has changed. This may happen for example if you zoom, scroll or
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enable nice numbers algorithm.
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*/
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/*!
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\fn QChartAxisCategories* QAxis::categories()
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Returns pointer to the list of categories which correspond to the values on the axis.
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*/
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/*!
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\fn void QAxis::colorChanged(QColor)
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Emitted if the \a color of the axis is changed.
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*/
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/*!
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\fn void QAxis::labelsColorChanged(QColor)
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Emitted if the \a color of the axis labels is changed.
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*/
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/*!
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\fn void QAxis::shadesVisibleChanged(bool)
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Emitted if the visibility of the axis shades is changed to \a visible.
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*/
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/*!
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\fn void QAxis::shadesColorChanged(QColor)
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Emitted if the \a color of the axis shades is changed.
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*/
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/*!
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\fn void QAxis::shadesBorderColorChanged(QColor)
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Emitted if the border \a color of the axis shades is changed.
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*/
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/*!
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Constructs new axis object which is a child of \a parent. Ownership is taken by
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QChart when axis added.
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*/
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QAxis::QAxis(QObject *parent) : QObject(parent),
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d_ptr(new QAxisPrivate(this))
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{
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}
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/*!
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Destructor of the axis object. When axis is added to chart, chart object takes ownership.
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*/
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QAxis::~QAxis()
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{
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}
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/*!
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Sets \a pen used to draw axis line and ticks.
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*/
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void QAxis::setAxisPen(const QPen &pen)
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{
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if (d_ptr->m_axisPen!=pen) {
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d_ptr->m_axisPen = pen;
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emit d_ptr->updated();
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}
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}
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/*!
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Returns pen used to draw axis and ticks.
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*/
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QPen QAxis::axisPen() const
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{
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return d_ptr->m_axisPen;
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}
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void QAxis::setAxisPenColor(QColor color)
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{
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QPen p = d_ptr->m_axisPen;
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if (p.color() != color) {
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p.setColor(color);
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setAxisPen(p);
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emit colorChanged(color);
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}
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}
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QColor QAxis::axisPenColor() const
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{
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return d_ptr->m_axisPen.color();
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}
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/*!
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Sets if axis and ticks are \a visible.
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*/
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void QAxis::setAxisVisible(bool visible)
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{
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if (d_ptr->m_axisVisible != visible) {
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d_ptr->m_axisVisible = visible;
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emit d_ptr->updated();
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emit visibleChanged(visible);
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}
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}
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bool QAxis::isAxisVisible() const
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{
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return d_ptr->m_axisVisible;
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}
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void QAxis::setGridLineVisible(bool visible)
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{
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if (d_ptr->m_gridLineVisible != visible) {
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d_ptr->m_gridLineVisible = visible;
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emit d_ptr->updated();
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emit gridVisibleChanged(visible);
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}
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}
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bool QAxis::isGridLineVisible() const
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{
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return d_ptr->m_gridLineVisible;
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}
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/*!
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Sets \a pen used to draw grid line.
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*/
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void QAxis::setGridLinePen(const QPen &pen)
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{
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if (d_ptr->m_gridLinePen != pen) {
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d_ptr->m_gridLinePen = pen;
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emit d_ptr->updated();
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}
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}
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/*!
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Returns pen used to draw grid.
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*/
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QPen QAxis::gridLinePen() const
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{
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return d_ptr->m_gridLinePen;
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}
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void QAxis::setLabelsVisible(bool visible)
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{
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if (d_ptr->m_labelsVisible != visible) {
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d_ptr->m_labelsVisible = visible;
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emit d_ptr->updated();
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emit labelsVisibleChanged(visible);
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}
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}
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bool QAxis::labelsVisible() const
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{
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return d_ptr->m_labelsVisible;
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}
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/*!
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Sets \a pen used to draw labels.
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*/
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void QAxis::setLabelsPen(const QPen &pen)
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{
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if (d_ptr->m_labelsPen != pen) {
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d_ptr->m_labelsPen = pen;
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emit d_ptr->updated();
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}
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}
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/*!
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Returns the pen used to labels.
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*/
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QPen QAxis::labelsPen() const
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{
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return d_ptr->m_labelsPen;
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}
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/*!
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Sets \a brush used to draw labels.
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*/
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void QAxis::setLabelsBrush(const QBrush &brush)
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{
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if (d_ptr->m_labelsBrush != brush) {
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d_ptr->m_labelsBrush = brush;
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emit d_ptr->updated();
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}
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}
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/*!
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Returns brush used to draw labels.
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*/
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QBrush QAxis::labelsBrush() const
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{
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return d_ptr->m_labelsBrush;
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}
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/*!
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Sets \a font used to draw labels.
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*/
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void QAxis::setLabelsFont(const QFont &font)
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{
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if (d_ptr->m_labelsFont != font) {
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d_ptr->m_labelsFont = font;
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emit d_ptr->updated();
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}
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}
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/*!
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Returns font used to draw labels.
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*/
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QFont QAxis::labelsFont() const
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{
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return d_ptr->m_labelsFont;
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}
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void QAxis::setLabelsAngle(int angle)
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{
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if (d_ptr->m_labelsAngle != angle) {
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d_ptr->m_labelsAngle = angle;
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emit d_ptr->updated();
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}
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}
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int QAxis::labelsAngle() const
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{
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return d_ptr->m_labelsAngle;
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}
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void QAxis::setLabelsColor(QColor color)
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{
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QBrush b = d_ptr->m_labelsBrush;
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if (b.color() != color) {
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b.setColor(color);
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setLabelsBrush(b);
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emit labelsColorChanged(color);
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}
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}
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QColor QAxis::labelsColor() const
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{
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return d_ptr->m_labelsBrush.color();
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}
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void QAxis::setShadesVisible(bool visible)
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{
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if (d_ptr->m_shadesVisible != visible) {
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d_ptr->m_shadesVisible = visible;
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emit d_ptr->updated();
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emit shadesVisibleChanged(visible);
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}
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}
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bool QAxis::shadesVisible() const
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{
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return d_ptr->m_shadesVisible;
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}
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/*!
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Sets \a pen used to draw shades.
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*/
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void QAxis::setShadesPen(const QPen &pen)
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{
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if (d_ptr->m_shadesPen != pen) {
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d_ptr->m_shadesPen = pen;
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emit d_ptr->updated();
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}
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}
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/*!
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Returns pen used to draw shades.
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*/
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QPen QAxis::shadesPen() const
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{
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return d_ptr->m_shadesPen;
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}
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/*!
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Sets \a brush used to draw shades.
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*/
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void QAxis::setShadesBrush(const QBrush &brush)
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{
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if (d_ptr->m_shadesBrush != brush) {
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d_ptr->m_shadesBrush = brush;
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emit d_ptr->updated();
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emit shadesColorChanged(brush.color());
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}
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}
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/*!
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\brief Returns brush used to draw shades.
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|
*/
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|
QBrush QAxis::shadesBrush() const
|
|
|
{
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|
|
return d_ptr->m_shadesBrush;
|
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|
}
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|
|
|
|
|
void QAxis::setShadesColor(QColor color)
|
|
|
{
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|
QBrush b = d_ptr->m_shadesBrush;
|
|
|
b.setColor(color);
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|
|
setShadesBrush(b);
|
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|
}
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|
|
|
|
|
QColor QAxis::shadesColor() const
|
|
|
{
|
|
|
return d_ptr->m_shadesBrush.color();
|
|
|
}
|
|
|
|
|
|
void QAxis::setShadesBorderColor(QColor color)
|
|
|
{
|
|
|
QPen p = d_ptr->m_shadesPen;
|
|
|
p.setColor(color);
|
|
|
setShadesPen(p);
|
|
|
}
|
|
|
|
|
|
QColor QAxis::shadesBorderColor() const
|
|
|
{
|
|
|
return d_ptr->m_shadesPen.color();
|
|
|
}
|
|
|
|
|
|
void QAxis::setMin(qreal min)
|
|
|
{
|
|
|
setRange(min,d_ptr->m_max);
|
|
|
}
|
|
|
|
|
|
qreal QAxis::min() const
|
|
|
{
|
|
|
return d_ptr->m_min;
|
|
|
}
|
|
|
|
|
|
void QAxis::setMax(qreal max)
|
|
|
{
|
|
|
setRange(d_ptr->m_min,max);
|
|
|
}
|
|
|
|
|
|
qreal QAxis::max() const
|
|
|
{
|
|
|
return d_ptr->m_max;
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Sets range from \a min to \a max on the axis.
|
|
|
*/
|
|
|
void QAxis::setRange(qreal min, qreal max)
|
|
|
{
|
|
|
bool changed = false;
|
|
|
if (!qFuzzyIsNull(d_ptr->m_min - min)) {
|
|
|
d_ptr->m_min = min;
|
|
|
changed = true;
|
|
|
emit minChanged(min);
|
|
|
}
|
|
|
|
|
|
if (!qFuzzyIsNull(d_ptr->m_max - max)) {
|
|
|
d_ptr->m_max = max;
|
|
|
changed = true;
|
|
|
emit maxChanged(max);
|
|
|
}
|
|
|
|
|
|
if (changed) {
|
|
|
emit rangeChanged(d_ptr->m_min,d_ptr->m_max);
|
|
|
emit d_ptr->changed(d_ptr->m_min, d_ptr->m_max, d_ptr->m_ticksCount, d_ptr->m_niceNumbers);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Sets \a count for ticks on the axis.
|
|
|
*/
|
|
|
void QAxis::setTicksCount(int count)
|
|
|
{
|
|
|
if (d_ptr->m_ticksCount != count) {
|
|
|
d_ptr->m_ticksCount = count;
|
|
|
emit d_ptr->changed(d_ptr->m_min, d_ptr->m_max, d_ptr->m_ticksCount, d_ptr->m_niceNumbers);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
\fn int QAxis::ticksCount() const
|
|
|
Return number of ticks on the axis
|
|
|
*/
|
|
|
int QAxis::ticksCount() const
|
|
|
{
|
|
|
return d_ptr->m_ticksCount;
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Sets axis, shades, labels and grid lines to be visible.
|
|
|
*/
|
|
|
void QAxis::show()
|
|
|
{
|
|
|
d_ptr->m_axisVisible=true;
|
|
|
d_ptr->m_gridLineVisible=true;
|
|
|
d_ptr->m_labelsVisible=true;
|
|
|
d_ptr->m_shadesVisible=true;
|
|
|
emit d_ptr->updated();
|
|
|
}
|
|
|
|
|
|
/*!
|
|
|
Sets axis, shades, labels and grid lines to not be visible.
|
|
|
*/
|
|
|
void QAxis::hide()
|
|
|
{
|
|
|
d_ptr->m_axisVisible = false;
|
|
|
d_ptr->m_gridLineVisible = false;
|
|
|
d_ptr->m_labelsVisible = false;
|
|
|
d_ptr->m_shadesVisible = false;
|
|
|
emit d_ptr->updated();
|
|
|
}
|
|
|
|
|
|
void QAxis::setNiceNumbersEnabled(bool enable)
|
|
|
{
|
|
|
if (d_ptr->m_niceNumbers != enable){
|
|
|
d_ptr->m_niceNumbers = enable;
|
|
|
emit d_ptr->changed(d_ptr->m_min, d_ptr->m_max, d_ptr->m_ticksCount, d_ptr->m_niceNumbers);
|
|
|
}
|
|
|
}
|
|
|
|
|
|
bool QAxis::niceNumbersEnabled() const
|
|
|
{
|
|
|
return d_ptr->m_niceNumbers;
|
|
|
}
|
|
|
|
|
|
QAxisCategories* QAxis::categories()
|
|
|
{
|
|
|
return &d_ptr->m_category;
|
|
|
}
|
|
|
|
|
|
/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
|
|
QAxisPrivate::QAxisPrivate(QAxis* q):
|
|
|
q_ptr(q),
|
|
|
m_axisVisible(true),
|
|
|
m_gridLineVisible(true),
|
|
|
m_labelsVisible(true),
|
|
|
m_labelsAngle(0),
|
|
|
m_shadesVisible(false),
|
|
|
m_shadesBrush(Qt::SolidPattern),
|
|
|
m_shadesOpacity(1.0),
|
|
|
m_min(0),
|
|
|
m_max(0),
|
|
|
m_ticksCount(5),
|
|
|
m_niceNumbers(false)
|
|
|
{
|
|
|
|
|
|
}
|
|
|
|
|
|
QAxisPrivate::~QAxisPrivate()
|
|
|
{
|
|
|
|
|
|
}
|
|
|
|
|
|
void QAxisPrivate::handleAxisRangeChanged(qreal min, qreal max,int count)
|
|
|
{
|
|
|
q_ptr->setRange(min,max);
|
|
|
q_ptr->setTicksCount(count);
|
|
|
}
|
|
|
|
|
|
QTCOMMERCIALCHART_END_NAMESPACE
|
|
|
|
|
|
QTCOMMERCIALCHART_USE_NAMESPACE
|
|
|
|
|
|
#include "moc_qaxis.cpp"
|
|
|
#include "moc_qaxis_p.cpp"
|
|
|
|
