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/****************************************************************************
**
** Copyright (C) 2014 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 QtDataVisualization module.
**
** 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
**
****************************************************************************/
//
// W A R N I N G
// -------------
//
// This file is not part of the QtDataVisualization API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
#ifndef BARRENDERITEM_P_H
#define BARRENDERITEM_P_H
#include "abstractrenderitem_p.h"
QT_BEGIN_NAMESPACE_DATAVISUALIZATION
class Bars3DRenderer;
class BarRenderItem : public AbstractRenderItem
{
public:
BarRenderItem();
BarRenderItem(const BarRenderItem &other);
virtual ~BarRenderItem();
// Position relative to data window (for bar label generation)
inline void setPosition(const QPoint &pos) { m_position = pos; }
inline const QPoint &position() const { return m_position; }
// Actual cached data value of the bar (needed to trigger label reformats)
inline void setValue(float value)
{
m_value = value;
// Force reformatting on next access by setting label string to null string
if (!m_sliceLabel.isNull())
setSliceLabel(QString());
if (!m_selectionLabel.isNull())
setSelectionLabel(QString());
}
inline float value() const { return m_value; }
// Normalized bar height
inline void setHeight(GLfloat height) { m_height = height; }
inline GLfloat height() const { return m_height; }
// Label item for formatted label
LabelItem &sliceLabelItem();
// Formatted label for item.
void setSliceLabel(const QString &label);
const QString &sliceLabel() const; // Formats label if not previously formatted
// Series index in visual series that this item belongs to.
// This is only utilized by slicing, so it may not be up to date on all items.
inline void setSeriesIndex(int seriesIndex) { m_seriesIndex = seriesIndex; }
inline int seriesIndex() const { return m_seriesIndex; }
inline void setRotation(const QQuaternion &rotation) { m_rotation = rotation; }
inline const QQuaternion &rotation() const { return m_rotation; }
protected:
float m_value;
QPoint m_position; // x = row, y = column
GLfloat m_height;
QString m_sliceLabel;
LabelItem *m_sliceLabelItem;
int m_seriesIndex;
QQuaternion m_rotation;
friend class QBarDataItem;
};
typedef QVector<BarRenderItem> BarRenderItemRow;
typedef QVector<BarRenderItemRow> BarRenderItemArray;
QT_END_NAMESPACE_DATAVISUALIZATION
#endif
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