1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include <private/barchartitem_p.h>
#include <private/bar_p.h>
#include <private/qabstractbarseries_p.h>
#include <QtCharts/QBarSet>
#include <private/qbarset_p.h>
QT_BEGIN_NAMESPACE
BarChartItem::BarChartItem(QAbstractBarSeries *series, QGraphicsItem* item) :
AbstractBarChartItem(series, item)
{
m_orientation = Qt::Vertical;
connect(series, SIGNAL(labelsPositionChanged(QAbstractBarSeries::LabelsPosition)),
this, SLOT(handleLabelsPositionChanged()));
connect(series, SIGNAL(labelsFormatChanged(QString)), this, SLOT(positionLabels()));
}
void BarChartItem::initializeLayout(int set, int category, int layoutIndex, bool resetAnimation)
{
QRectF rect;
if (set > 0) {
QBarSet *barSet = m_series->barSets().at(set - 1);
Bar *bar = m_indexForBarMap.value(barSet).value(category);
rect = m_layout.at(bar->layoutIndex());
qreal oldRight = rect.right();
if (resetAnimation)
rect.setRight(oldRight + rect.width());
rect.setLeft(oldRight);
rect.setTop(rect.bottom());
} else {
QPointF topLeft;
QPointF bottomRight;
const int setCount = m_series->count();
const qreal barWidth = m_series->d_func()->barWidth() * m_seriesWidth;
if (domain()->type() == AbstractDomain::XLogYDomain
|| domain()->type() == AbstractDomain::LogXLogYDomain) {
topLeft = topLeftPoint(set, setCount, category, barWidth, domain()->minY());
bottomRight = bottomRightPoint(set, setCount, category, barWidth, domain()->minY());
} else {
topLeft = topLeftPoint(set, setCount, category, barWidth, 0.0);
bottomRight = bottomRightPoint(set, setCount, category, barWidth, 0.0);
}
if (m_validData) {
rect.setTopLeft(topLeft);
rect.setBottomRight(bottomRight);
}
}
m_layout[layoutIndex] = rect.normalized();
}
QPointF BarChartItem::topLeftPoint(int set, int setCount, int category,
qreal barWidth, qreal value)
{
return domain()->calculateGeometryPoint(
QPointF(m_seriesPosAdjustment + category - (barWidth / 2.0)
+ (qreal(set)/setCount) * barWidth,
value), m_validData);
}
QPointF BarChartItem::bottomRightPoint(int set, int setCount,
int category, qreal barWidth, qreal value)
{
return domain()->calculateGeometryPoint(
QPointF(m_seriesPosAdjustment + category - (barWidth / 2.0)
+ (qreal(set + 1)/setCount) * barWidth,
value), m_validData);
}
QList<QRectF> BarChartItem::calculateLayout()
{
QList<QRectF> layout;
layout.resize(m_layout.size());
const int setCount = m_series->count();
const qreal barWidth = m_series->d_func()->barWidth() * m_seriesWidth;
for (int set = 0; set < setCount; set++) {
QBarSet *barSet = m_series->barSets().at(set);
const QList<Bar *> bars = m_barMap.value(barSet);
for (int i = 0; i < m_categoryCount; i++) {
Bar *bar = bars.at(i);
const int category = bar->index();
qreal value = barSet->at(category);
QRectF rect;
QPointF topLeft = topLeftPoint(set, setCount, category, barWidth, value);
QPointF bottomRight;
if (domain()->type() == AbstractDomain::XLogYDomain
|| domain()->type() == AbstractDomain::LogXLogYDomain) {
bottomRight = bottomRightPoint(set, setCount, category, barWidth, domain()->minY());
} else {
bottomRight = bottomRightPoint(set, setCount, category, barWidth, 0.0);
}
rect.setTopLeft(topLeft);
rect.setBottomRight(bottomRight);
layout[bar->layoutIndex()] = rect.normalized();
}
}
return layout;
}
void BarChartItem::handleLabelsPositionChanged()
{
positionLabels();
}
void BarChartItem::positionLabels()
{
positionLabelsVertical();
}
QT_END_NAMESPACE
#include "moc_barchartitem_p.cpp"
|
