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2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
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6 | ** This file is part of the Qt Data Visualization module of the Qt Toolkit. |
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29 | |
30 | // |
31 | // W A R N I N G |
32 | // ------------- |
33 | // |
34 | // This file is not part of the QtDataVisualization API. It exists purely as an |
35 | // implementation detail. This header file may change from version to |
36 | // version without notice, or even be removed. |
37 | // |
38 | // We mean it. |
39 | |
40 | #ifndef BARRENDERITEM_P_H |
41 | #define BARRENDERITEM_P_H |
42 | |
43 | #include "abstractrenderitem_p.h" |
44 | |
45 | QT_BEGIN_NAMESPACE_DATAVISUALIZATION |
46 | |
47 | class BarRenderItem : public AbstractRenderItem |
48 | { |
49 | public: |
50 | BarRenderItem(); |
51 | BarRenderItem(const BarRenderItem &other); |
52 | virtual ~BarRenderItem(); |
53 | |
54 | // Position relative to data window (for bar label generation) |
55 | inline void setPosition(const QPoint &pos) { m_position = pos; } |
56 | inline const QPoint &position() const { return m_position; } |
57 | |
58 | // Actual cached data value of the bar (needed to trigger label reformats) |
59 | inline void setValue(float value) { m_value = value; } |
60 | inline float value() const { return m_value; } |
61 | |
62 | // Normalized bar height |
63 | inline void setHeight(GLfloat height) { m_height = height; } |
64 | inline GLfloat height() const { return m_height; } |
65 | |
66 | protected: |
67 | float m_value; |
68 | QPoint m_position; // x = row, y = column |
69 | GLfloat m_height; |
70 | |
71 | friend class QBarDataItem; |
72 | }; |
73 | |
74 | class BarRenderSliceItem : public BarRenderItem |
75 | { |
76 | public: |
77 | BarRenderSliceItem(); |
78 | BarRenderSliceItem(const BarRenderSliceItem &other); |
79 | virtual ~BarRenderSliceItem(); |
80 | |
81 | void setItem(const BarRenderItem &renderItem); |
82 | |
83 | // Label item for formatted label |
84 | LabelItem &sliceLabelItem(); |
85 | |
86 | // Formatted label for item. |
87 | void setSliceLabel(const QString &label); |
88 | const QString &sliceLabel() const; // Formats label if not previously formatted |
89 | |
90 | protected: |
91 | QString m_sliceLabel; |
92 | LabelItem *m_sliceLabelItem; |
93 | bool m_isNull; |
94 | }; |
95 | |
96 | typedef QVector<BarRenderItem> BarRenderItemRow; |
97 | typedef QVector<BarRenderItemRow> BarRenderItemArray; |
98 | |
99 | QT_END_NAMESPACE_DATAVISUALIZATION |
100 | |
101 | #endif |
102 | |