@@ -1,123 +1,127 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "chartlogvalueaxisx_p.h" |
|
22 | 22 | #include "chartpresenter_p.h" |
|
23 | 23 | #include "qlogvalueaxis.h" |
|
24 | 24 | #include "chartlayout_p.h" |
|
25 | 25 | #include <QGraphicsLayout> |
|
26 | 26 | #include <QFontMetrics> |
|
27 | 27 | #include <qmath.h> |
|
28 | 28 | |
|
29 | 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
30 | 30 | |
|
31 | 31 | ChartLogValueAxisX::ChartLogValueAxisX(QLogValueAxis *axis, QGraphicsItem* item) |
|
32 | 32 | : HorizontalAxis(axis, item), |
|
33 | 33 | m_axis(axis) |
|
34 | 34 | { |
|
35 | QObject::connect(m_axis,SIGNAL(baseChanged(qreal)),this, SLOT(handleBaseChanged(qreal))); | |
|
35 | 36 | } |
|
36 | 37 | |
|
37 | 38 | ChartLogValueAxisX::~ChartLogValueAxisX() |
|
38 | 39 | { |
|
39 | 40 | } |
|
40 | 41 | |
|
41 | 42 | QVector<qreal> ChartLogValueAxisX::calculateLayout() const |
|
42 | 43 | { |
|
43 | 44 | QVector<qreal> points; |
|
44 | 45 | |
|
45 | 46 | qreal logMax = log10(m_axis->max()) / log10(m_axis->base()); |
|
46 | 47 | qreal logMin = log10(m_axis->min()) / log10(m_axis->base()); |
|
47 | 48 | qreal leftEdge = logMin < logMax ? logMin : logMax; |
|
48 | 49 | qreal ceilEdge = ceil(leftEdge); |
|
49 | 50 | int tickCount = qAbs(qRound(logMax - logMin)); |
|
50 | 51 | tickCount++; |
|
51 | 52 | |
|
52 | 53 | points.resize(tickCount); |
|
53 | 54 | const QRectF &gridRect = gridGeometry(); |
|
54 | 55 | const qreal deltaX = gridRect.width() / qAbs(logMax - logMin); |
|
55 | 56 | for (int i = 0; i < tickCount; ++i) |
|
56 | 57 | points[i] = (ceilEdge + i) * deltaX - leftEdge * deltaX + gridRect.left(); |
|
57 | 58 | |
|
58 | 59 | return points; |
|
59 | 60 | } |
|
60 | 61 | |
|
61 | 62 | void ChartLogValueAxisX::updateGeometry() |
|
62 | 63 | { |
|
63 | 64 | const QVector<qreal>& layout = ChartAxis::layout(); |
|
64 | 65 | if (layout.isEmpty()) |
|
65 | 66 | return; |
|
66 | 67 | setLabels(createLogValueLabels(m_axis->min(), m_axis->max(), m_axis->base(), layout.size(), m_axis->labelFormat())); |
|
67 | 68 | HorizontalAxis::updateGeometry(); |
|
68 | 69 | } |
|
69 | 70 | |
|
70 |
|
|
|
71 | //{ | |
|
72 | // ChartAxis::handleAxisUpdated(); | |
|
73 | //} | |
|
71 | void ChartLogValueAxisX::handleBaseChanged(qreal base) | |
|
72 | { | |
|
73 | Q_UNUSED(base); | |
|
74 | if(presenter()) presenter()->layout()->invalidate(); | |
|
75 | } | |
|
74 | 76 | |
|
75 | 77 | QSizeF ChartLogValueAxisX::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
76 | 78 | { |
|
77 | 79 | Q_UNUSED(constraint) |
|
78 | 80 | |
|
79 | 81 | QFontMetrics fn(font()); |
|
80 | 82 | QSizeF sh; |
|
81 | 83 | |
|
82 | 84 | QSizeF base = HorizontalAxis::sizeHint(which, constraint); |
|
83 | 85 | QStringList ticksList; |
|
84 | 86 | qreal logMax = log10(m_axis->max()) / log10(m_axis->base()); |
|
85 | 87 | qreal logMin = log10(m_axis->min()) / log10(m_axis->base()); |
|
86 | 88 | int tickCount = qAbs(qRound(logMax - logMin)); |
|
87 | 89 | tickCount++; |
|
88 | 90 | |
|
89 | 91 | if (m_axis->max() > m_axis->min() && tickCount > 1) |
|
90 | 92 | ticksList = createLogValueLabels(m_axis->min(), m_axis->max(), m_axis->base(), tickCount, m_axis->labelFormat()); |
|
91 | 93 | else |
|
92 | 94 | ticksList.append(QString(" ")); |
|
93 | 95 | qreal width = 0; |
|
94 | 96 | qreal height = 0; |
|
95 | 97 | |
|
96 | 98 | |
|
97 | 99 | switch (which) { |
|
98 | 100 | case Qt::MinimumSize:{ |
|
99 | 101 | int count = qMax(ticksList.last().count(),ticksList.first().count()); |
|
100 | 102 | width = fn.averageCharWidth() * count; |
|
101 | 103 | height = fn.height() + labelPadding(); |
|
102 | 104 | width = qMax(width,base.width()); |
|
103 | 105 | height += base.height(); |
|
104 | 106 | sh = QSizeF(width,height); |
|
105 | 107 | break; |
|
106 | 108 | } |
|
107 | 109 | case Qt::PreferredSize: { |
|
108 | 110 | int count = qMax(ticksList.last().count(),ticksList.first().count()); |
|
109 | 111 | width=fn.averageCharWidth() * count; |
|
110 | 112 | height=fn.height()+labelPadding(); |
|
111 | 113 | width=qMax(width,base.width()); |
|
112 | 114 | height+=base.height(); |
|
113 | 115 | sh = QSizeF(width,height); |
|
114 | 116 | break; |
|
115 | 117 | } |
|
116 | 118 | default: |
|
117 | 119 | break; |
|
118 | 120 | } |
|
119 | 121 | |
|
120 | 122 | return sh; |
|
121 | 123 | } |
|
122 | 124 | |
|
125 | #include "moc_chartlogvalueaxisx_p.cpp" | |
|
126 | ||
|
123 | 127 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,59 +1,64 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | // W A R N I N G |
|
22 | 22 | // ------------- |
|
23 | 23 | // |
|
24 | 24 | // This file is not part of the QtCommercial Chart API. It exists purely as an |
|
25 | 25 | // implementation detail. This header file may change from version to |
|
26 | 26 | // version without notice, or even be removed. |
|
27 | 27 | // |
|
28 | 28 | // We mean it. |
|
29 | 29 | |
|
30 | 30 | #ifndef CHARTLOGVALUEAXISX_H |
|
31 | 31 | #define CHARTLOGVALUEAXISX_H |
|
32 | 32 | |
|
33 | 33 | #include "horizontalaxis_p.h" |
|
34 | 34 | |
|
35 | 35 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
36 | 36 | |
|
37 | 37 | class QLogValueAxis; |
|
38 | 38 | class ChartPresenter; |
|
39 | 39 | |
|
40 | 40 | class ChartLogValueAxisX : public HorizontalAxis |
|
41 | 41 | { |
|
42 | Q_OBJECT | |
|
43 | ||
|
42 | 44 | public: |
|
43 | 45 | ChartLogValueAxisX(QLogValueAxis *axis, QGraphicsItem* item); |
|
44 | 46 | ~ChartLogValueAxisX(); |
|
45 | 47 | |
|
46 | 48 | QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint) const; |
|
47 | 49 | |
|
48 | 50 | protected: |
|
49 | 51 | void handleAxisUpdated(); |
|
50 | 52 | QVector<qreal> calculateLayout() const; |
|
51 | 53 | void updateGeometry(); |
|
52 | 54 | |
|
55 | private Q_SLOTS: | |
|
56 | void handleBaseChanged(qreal base); | |
|
57 | ||
|
53 | 58 | private: |
|
54 | 59 | QLogValueAxis *m_axis; |
|
55 | 60 | }; |
|
56 | 61 | |
|
57 | 62 | QTCOMMERCIALCHART_END_NAMESPACE |
|
58 | 63 | |
|
59 | 64 | #endif /* CHARTLOGVALUEAXISX_H */ |
@@ -1,120 +1,124 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "chartlogvalueaxisy_p.h" |
|
22 | 22 | #include "chartpresenter_p.h" |
|
23 | 23 | #include "qlogvalueaxis.h" |
|
24 | 24 | #include "chartlayout_p.h" |
|
25 | 25 | #include <QGraphicsLayout> |
|
26 | 26 | #include <QFontMetrics> |
|
27 | 27 | #include <qmath.h> |
|
28 | 28 | |
|
29 | 29 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
30 | 30 | |
|
31 | 31 | ChartLogValueAxisY::ChartLogValueAxisY(QLogValueAxis *axis, QGraphicsItem* item) |
|
32 | 32 | : VerticalAxis(axis, item), |
|
33 | 33 | m_axis(axis) |
|
34 | 34 | { |
|
35 | QObject::connect(m_axis, SIGNAL(baseChanged(qreal)),this, SLOT(handleBaseChanged(qreal))); | |
|
35 | 36 | } |
|
36 | 37 | |
|
37 | 38 | ChartLogValueAxisY::~ChartLogValueAxisY() |
|
38 | 39 | { |
|
39 | 40 | } |
|
40 | 41 | |
|
41 | 42 | QVector<qreal> ChartLogValueAxisY::calculateLayout() const |
|
42 | 43 | { |
|
43 | 44 | QVector<qreal> points; |
|
44 | 45 | qreal logMax = log10(m_axis->max()) / log10(m_axis->base()); |
|
45 | 46 | qreal logMin = log10(m_axis->min()) / log10(m_axis->base()); |
|
46 | 47 | qreal leftEdge = logMin < logMax ? logMin : logMax; |
|
47 | 48 | qreal ceilEdge = ceil(leftEdge); |
|
48 | 49 | int tickCount = qAbs(qRound(logMax - logMin)); |
|
49 | 50 | tickCount++; |
|
50 | 51 | |
|
51 | 52 | points.resize(tickCount); |
|
52 | 53 | const QRectF &gridRect = gridGeometry(); |
|
53 | 54 | const qreal deltaY = gridRect.height() / qAbs(logMax - logMin); |
|
54 | 55 | for (int i = 0; i < tickCount; ++i) |
|
55 | 56 | points[i] = (ceilEdge + i) * -deltaY - leftEdge * -deltaY + gridRect.bottom(); |
|
56 | 57 | |
|
57 | 58 | return points; |
|
58 | 59 | } |
|
59 | 60 | |
|
60 | 61 | |
|
61 | 62 | void ChartLogValueAxisY::updateGeometry() |
|
62 | 63 | { |
|
63 | 64 | const QVector<qreal> &layout = ChartAxis::layout(); |
|
64 | 65 | if (layout.isEmpty()) |
|
65 | 66 | return; |
|
66 | 67 | setLabels(createLogValueLabels(m_axis->min(), m_axis->max(), m_axis->base(), layout.size(), m_axis->labelFormat())); |
|
67 | 68 | VerticalAxis::updateGeometry(); |
|
68 | 69 | } |
|
69 | 70 | |
|
70 |
|
|
|
71 | //{ | |
|
72 | // ChartAxis::handleAxisUpdated(); | |
|
73 | //} | |
|
71 | void ChartLogValueAxisY::handleBaseChanged(qreal base) | |
|
72 | { | |
|
73 | Q_UNUSED(base); | |
|
74 | if(presenter()) presenter()->layout()->invalidate(); | |
|
75 | } | |
|
74 | 76 | |
|
75 | 77 | QSizeF ChartLogValueAxisY::sizeHint(Qt::SizeHint which, const QSizeF &constraint) const |
|
76 | 78 | { |
|
77 | 79 | Q_UNUSED(constraint) |
|
78 | 80 | |
|
79 | 81 | QFontMetrics fn(font()); |
|
80 | 82 | QSizeF sh; |
|
81 | 83 | |
|
82 | 84 | QSizeF base = VerticalAxis::sizeHint(which, constraint); |
|
83 | 85 | QStringList ticksList; |
|
84 | 86 | qreal logMax = log10(m_axis->max()) / log10(m_axis->base()); |
|
85 | 87 | qreal logMin = log10(m_axis->min()) / log10(m_axis->base()); |
|
86 | 88 | int tickCount = qAbs(qRound(logMax - logMin)); |
|
87 | 89 | tickCount++; |
|
88 | 90 | if (m_axis->max() > m_axis->min() && tickCount > 1) |
|
89 | 91 | ticksList = createLogValueLabels(m_axis->min(), m_axis->max(), m_axis->base(), tickCount, m_axis->labelFormat()); |
|
90 | 92 | else |
|
91 | 93 | ticksList.append(QString(" ")); |
|
92 | 94 | qreal width = 0; |
|
93 | 95 | qreal height = 0; |
|
94 | 96 | |
|
95 | 97 | switch (which) { |
|
96 | 98 | case Qt::MinimumSize: { |
|
97 | 99 | width = fn.boundingRect("...").width() + labelPadding(); |
|
98 | 100 | width += base.width(); |
|
99 | 101 | height = fn.height(); |
|
100 | 102 | height = qMax(height,base.height()); |
|
101 | 103 | sh = QSizeF(width,height); |
|
102 | 104 | break; |
|
103 | 105 | } |
|
104 | 106 | case Qt::PreferredSize: { |
|
105 | 107 | int count = qMax(ticksList.first().count() , ticksList.last().count()); |
|
106 | 108 | width = count*fn.averageCharWidth() + labelPadding() + 2; //two pixels of tolerance |
|
107 | 109 | width += base.width(); |
|
108 | 110 | height = fn.height() * ticksList.count(); |
|
109 | 111 | height = qMax(height,base.height()); |
|
110 | 112 | sh = QSizeF(width,height); |
|
111 | 113 | break; |
|
112 | 114 | } |
|
113 | 115 | default: |
|
114 | 116 | break; |
|
115 | 117 | } |
|
116 | 118 | |
|
117 | 119 | return sh; |
|
118 | 120 | } |
|
119 | 121 | |
|
122 | #include "moc_chartlogvalueaxisy_p.cpp" | |
|
123 | ||
|
120 | 124 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,59 +1,64 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | // W A R N I N G |
|
22 | 22 | // ------------- |
|
23 | 23 | // |
|
24 | 24 | // This file is not part of the QtCommercial Chart API. It exists purely as an |
|
25 | 25 | // implementation detail. This header file may change from version to |
|
26 | 26 | // version without notice, or even be removed. |
|
27 | 27 | // |
|
28 | 28 | // We mean it. |
|
29 | 29 | |
|
30 | 30 | #ifndef CHARTLOGVALUEAXISY_H |
|
31 | 31 | #define CHARTLOGVALUEAXISY_H |
|
32 | 32 | |
|
33 | 33 | #include "verticalaxis_p.h" |
|
34 | 34 | |
|
35 | 35 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
36 | 36 | |
|
37 | 37 | class QLogValueAxis; |
|
38 | 38 | class ChartPresenter; |
|
39 | 39 | |
|
40 | 40 | class ChartLogValueAxisY : public VerticalAxis |
|
41 | 41 | { |
|
42 | Q_OBJECT | |
|
43 | ||
|
42 | 44 | public: |
|
43 | 45 | ChartLogValueAxisY(QLogValueAxis *axis, QGraphicsItem* item); |
|
44 | 46 | ~ChartLogValueAxisY(); |
|
45 | 47 | |
|
46 | 48 | QSizeF sizeHint(Qt::SizeHint which, const QSizeF &constraint) const; |
|
47 | 49 | |
|
48 | 50 | protected: |
|
49 | 51 | void handleAxisUpdated(); |
|
50 | 52 | QVector<qreal> calculateLayout() const; |
|
51 | 53 | void updateGeometry(); |
|
52 | 54 | |
|
55 | private Q_SLOTS: | |
|
56 | void handleBaseChanged(qreal base); | |
|
57 | ||
|
53 | 58 | private: |
|
54 | 59 | QLogValueAxis *m_axis; |
|
55 | 60 | }; |
|
56 | 61 | |
|
57 | 62 | QTCOMMERCIALCHART_END_NAMESPACE |
|
58 | 63 | |
|
59 | 64 | #endif /* CHARTLOGVALUEAXISY_H */ |
@@ -1,229 +1,231 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "logxlogydomain_p.h" |
|
22 | 22 | #include "qabstractaxis_p.h" |
|
23 | 23 | #include "qlogvalueaxis.h" |
|
24 | 24 | #include <qmath.h> |
|
25 | 25 | |
|
26 | 26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
27 | 27 | |
|
28 | 28 | LogXLogYDomain::LogXLogYDomain(QObject *parent) |
|
29 | 29 | : AbstractDomain(parent), |
|
30 | 30 | m_logMinX(0), |
|
31 | 31 | m_logMaxX(1), |
|
32 | 32 | m_logBaseX(10), |
|
33 | 33 | m_logMinY(0), |
|
34 | 34 | m_logMaxY(1), |
|
35 | 35 | m_logBaseY(10) |
|
36 | 36 | { |
|
37 | 37 | } |
|
38 | 38 | |
|
39 | 39 | LogXLogYDomain::~LogXLogYDomain() |
|
40 | 40 | { |
|
41 | 41 | } |
|
42 | 42 | |
|
43 | 43 | void LogXLogYDomain::setRange(qreal minX, qreal maxX, qreal minY, qreal maxY) |
|
44 | 44 | { |
|
45 | 45 | bool axisXChanged = false; |
|
46 | 46 | bool axisYChanged = false; |
|
47 | 47 | |
|
48 | 48 | if (!qFuzzyIsNull(m_minX - minX) || !qFuzzyIsNull(m_maxX - maxX)) { |
|
49 | 49 | m_minX = minX; |
|
50 | 50 | m_maxX = maxX; |
|
51 | 51 | axisXChanged = true; |
|
52 | 52 | m_logMinX = log10(m_minX) / log10(m_logBaseX); |
|
53 | 53 | m_logMaxX = log10(m_maxX) / log10(m_logBaseX); |
|
54 | 54 | if(!m_signalsBlocked) |
|
55 | 55 | emit rangeHorizontalChanged(m_minX, m_maxX); |
|
56 | 56 | } |
|
57 | 57 | |
|
58 | 58 | if (!qFuzzyIsNull(m_minY - minY) || !qFuzzyIsNull(m_maxY - maxY)) { |
|
59 | 59 | m_minY = minY; |
|
60 | 60 | m_maxY = maxY; |
|
61 | 61 | axisYChanged = true; |
|
62 | 62 | m_logMinY = log10(m_minY) / log10(m_logBaseY); |
|
63 | 63 | m_logMaxY = log10(m_maxY) / log10(m_logBaseY); |
|
64 | 64 | if(!m_signalsBlocked) |
|
65 | 65 | emit rangeVerticalChanged(m_minY, m_maxY); |
|
66 | 66 | } |
|
67 | 67 | |
|
68 | 68 | if (axisXChanged || axisYChanged) |
|
69 | 69 | emit updated(); |
|
70 | 70 | } |
|
71 | 71 | |
|
72 | 72 | void LogXLogYDomain::zoomIn(const QRectF &rect) |
|
73 | 73 | { |
|
74 | 74 | qreal newLogMinX = rect.left() * (m_logMaxX - m_logMinX) / m_size.width() + m_logMinX; |
|
75 | 75 | qreal newLogMaxX = rect.right() * (m_logMaxX - m_logMinX) / m_size.width() + m_logMinX; |
|
76 | 76 | qreal minX = qPow(m_logBaseX, newLogMinX); |
|
77 | 77 | qreal maxX = qPow(m_logBaseX, newLogMaxX); |
|
78 | 78 | |
|
79 | 79 | qreal newLogMinY = m_logMaxY - rect.bottom() * (m_logMaxY - m_logMinY) / m_size.height(); |
|
80 | 80 | qreal newLogMaxY = m_logMaxY - rect.top() * (m_logMaxY - m_logMinY) / m_size.height(); |
|
81 | 81 | qreal minY = qPow(m_logBaseY, newLogMinY); |
|
82 | 82 | qreal maxY = qPow(m_logBaseY, newLogMaxY); |
|
83 | 83 | |
|
84 | 84 | setRange(minX, maxX, minY, maxY); |
|
85 | 85 | } |
|
86 | 86 | |
|
87 | 87 | void LogXLogYDomain::zoomOut(const QRectF &rect) |
|
88 | 88 | { |
|
89 | 89 | qreal ratioX = m_size.width()/rect.width(); |
|
90 | 90 | qreal newLogMinX = m_logMinX - (m_logMaxX - m_logMinX) / ratioX; |
|
91 | 91 | qreal newLogMaxX = m_logMaxX + (m_logMaxX - m_logMinX) / ratioX; |
|
92 | 92 | qreal minX = qPow(m_logBaseX, newLogMinX); |
|
93 | 93 | qreal maxX = qPow(m_logBaseX, newLogMaxX); |
|
94 | 94 | |
|
95 | 95 | qreal ratioY = m_size.height()/rect.height(); |
|
96 | 96 | qreal newLogMinY = m_logMinY - (m_logMaxY - m_logMinY) / ratioY; |
|
97 | 97 | qreal newLogMaxY = m_logMaxY + (m_logMaxY - m_logMinY) / ratioY; |
|
98 | 98 | qreal minY = qPow(m_logBaseY, newLogMinY); |
|
99 | 99 | qreal maxY = qPow(m_logBaseY, newLogMaxY); |
|
100 | 100 | |
|
101 | 101 | setRange(minX, maxX, minY, maxY); |
|
102 | 102 | } |
|
103 | 103 | |
|
104 | 104 | void LogXLogYDomain::move(qreal dx, qreal dy) |
|
105 | 105 | { |
|
106 | 106 | qreal stepX = dx * qAbs(m_logMaxX - m_logMinX) / m_size.width(); |
|
107 | 107 | qreal minX = qPow(m_logBaseX, m_logMinX + stepX); |
|
108 | 108 | qreal maxX = qPow(m_logBaseX, m_logMaxX + stepX); |
|
109 | 109 | |
|
110 | 110 | qreal stepY = dy * qAbs(m_logMaxY - m_logMinY) / m_size.height(); |
|
111 | 111 | qreal minY = qPow(m_logBaseY, m_logMinY + stepY); |
|
112 | 112 | qreal maxY = qPow(m_logBaseY, m_logMaxY + stepY); |
|
113 | 113 | |
|
114 | 114 | setRange(minX, maxX, minY, maxY); |
|
115 | 115 | } |
|
116 | 116 | |
|
117 | 117 | QPointF LogXLogYDomain::calculateGeometryPoint(const QPointF &point) const |
|
118 | 118 | { |
|
119 | 119 | const qreal leftEdgeX= m_logMinX < m_logMaxX ? m_logMinX : m_logMaxX; |
|
120 | 120 | const qreal leftEdgeY = m_logMinY < m_logMaxY ? m_logMinY : m_logMaxY; |
|
121 | 121 | const qreal deltaX = m_size.width() / qAbs(m_logMaxX - m_logMinX); |
|
122 | 122 | const qreal deltaY = m_size.height() / qAbs(m_logMaxY - m_logMinY); |
|
123 | 123 | qreal x = (log10(point.x()) / log10(m_logBaseX)) * deltaX - leftEdgeX * deltaX; |
|
124 | 124 | qreal y = (log10(point.y()) / log10(m_logBaseY)) * -deltaY - leftEdgeY * -deltaY + m_size.height(); |
|
125 | 125 | return QPointF(x, y); |
|
126 | 126 | } |
|
127 | 127 | |
|
128 | 128 | QVector<QPointF> LogXLogYDomain::calculateGeometryPoints(const QList<QPointF>& vector) const |
|
129 | 129 | { |
|
130 | 130 | const qreal leftEdgeX= m_logMinX < m_logMaxX ? m_logMinX : m_logMaxX; |
|
131 | 131 | const qreal leftEdgeY = m_logMinY < m_logMaxY ? m_logMinY : m_logMaxY; |
|
132 | 132 | const qreal deltaX = m_size.width() / qAbs(m_logMaxX - m_logMinX); |
|
133 | 133 | const qreal deltaY = m_size.height() / qAbs(m_logMaxY - m_logMinY); |
|
134 | 134 | |
|
135 | 135 | QVector<QPointF> result; |
|
136 | 136 | result.resize(vector.count()); |
|
137 | 137 | |
|
138 | 138 | for (int i = 0; i < vector.count(); ++i) { |
|
139 | 139 | qreal x = (log10(vector[i].x()) / log10(m_logBaseX)) * deltaX - leftEdgeX * deltaX; |
|
140 | 140 | qreal y = (log10(vector[i].y()) / log10(m_logBaseY)) * -deltaY - leftEdgeY * -deltaY + m_size.height(); |
|
141 | 141 | result[i].setX(x); |
|
142 | 142 | result[i].setY(y); |
|
143 | 143 | } |
|
144 | 144 | return result; |
|
145 | 145 | } |
|
146 | 146 | |
|
147 | 147 | QPointF LogXLogYDomain::calculateDomainPoint(const QPointF &point) const |
|
148 | 148 | { |
|
149 | 149 | const qreal leftEdgeX= m_logMinX < m_logMaxX ? m_logMinX : m_logMaxX; |
|
150 | 150 | const qreal leftEdgeY = m_logMinY < m_logMaxY ? m_logMinY : m_logMaxY; |
|
151 | 151 | const qreal deltaX = m_size.width() / qAbs(m_logMaxX - m_logMinX); |
|
152 | 152 | const qreal deltaY = m_size.height() / qAbs(m_logMaxY - m_logMinY); |
|
153 | 153 | qreal x = qPow(m_logBaseX, leftEdgeX + point.x() / deltaX); |
|
154 | 154 | qreal y = qPow(m_logBaseY, leftEdgeY + (m_size.height() - point.y()) / deltaY); |
|
155 | 155 | return QPointF(x, y); |
|
156 | 156 | } |
|
157 | 157 | |
|
158 | 158 | bool LogXLogYDomain::attachAxis(QAbstractAxis* axis) |
|
159 | 159 | { |
|
160 | 160 | AbstractDomain::attachAxis(axis); |
|
161 | 161 | QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis); |
|
162 | 162 | |
|
163 | 163 | if(logAxis && logAxis->orientation()==Qt::Vertical) { |
|
164 | 164 | QObject::connect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleVerticalAxisBaseChanged(qreal))); |
|
165 | 165 | handleVerticalAxisBaseChanged(logAxis->base()); |
|
166 | 166 | } |
|
167 | 167 | |
|
168 | 168 | if(logAxis && logAxis->orientation()==Qt::Horizontal) { |
|
169 | 169 | QObject::connect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleHorizontalAxisBaseChanged(qreal))); |
|
170 | 170 | handleHorizontalAxisBaseChanged(logAxis->base()); |
|
171 | 171 | } |
|
172 | 172 | |
|
173 | 173 | return true; |
|
174 | 174 | } |
|
175 | 175 | |
|
176 | 176 | bool LogXLogYDomain::detachAxis(QAbstractAxis* axis) |
|
177 | 177 | { |
|
178 | 178 | AbstractDomain::detachAxis(axis); |
|
179 | 179 | QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis); |
|
180 | 180 | |
|
181 | 181 | if(logAxis && logAxis->orientation()==Qt::Vertical) |
|
182 | 182 | QObject::disconnect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleVerticalAxisBaseChanged(qreal))); |
|
183 | 183 | |
|
184 | 184 | if(logAxis && logAxis->orientation()==Qt::Horizontal) |
|
185 | 185 | QObject::disconnect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleHorizontalAxisBaseChanged(qreal))); |
|
186 | 186 | |
|
187 | 187 | return true; |
|
188 | 188 | } |
|
189 | 189 | |
|
190 | 190 | void LogXLogYDomain::handleVerticalAxisBaseChanged(qreal baseY) |
|
191 | 191 | { |
|
192 | 192 | m_logBaseY = baseY; |
|
193 | 193 | m_logMinY = log10(m_minY) / log10(m_logBaseY); |
|
194 | 194 | m_logMaxY = log10(m_maxY) / log10(m_logBaseY); |
|
195 | emit updated(); | |
|
195 | 196 | } |
|
196 | 197 | |
|
197 | 198 | void LogXLogYDomain::handleHorizontalAxisBaseChanged(qreal baseX) |
|
198 | 199 | { |
|
199 | 200 | m_logBaseX = baseX; |
|
200 | 201 | m_logMinX = log10(m_minX) / log10(m_logBaseX); |
|
201 | 202 | m_logMaxX = log10(m_maxX) / log10(m_logBaseX); |
|
203 | emit updated(); | |
|
202 | 204 | } |
|
203 | 205 | |
|
204 | 206 | // operators |
|
205 | 207 | |
|
206 | 208 | bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator== (const LogXLogYDomain &domain1, const LogXLogYDomain &domain2) |
|
207 | 209 | { |
|
208 | 210 | return (qFuzzyIsNull(domain1.m_maxX - domain2.m_maxX) && |
|
209 | 211 | qFuzzyIsNull(domain1.m_maxY - domain2.m_maxY) && |
|
210 | 212 | qFuzzyIsNull(domain1.m_minX - domain2.m_minX) && |
|
211 | 213 | qFuzzyIsNull(domain1.m_minY - domain2.m_minY)); |
|
212 | 214 | } |
|
213 | 215 | |
|
214 | 216 | |
|
215 | 217 | bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator!= (const LogXLogYDomain &domain1, const LogXLogYDomain &domain2) |
|
216 | 218 | { |
|
217 | 219 | return !(domain1 == domain2); |
|
218 | 220 | } |
|
219 | 221 | |
|
220 | 222 | |
|
221 | 223 | QDebug QTCOMMERCIALCHART_AUTOTEST_EXPORT operator<<(QDebug dbg, const LogXLogYDomain &domain) |
|
222 | 224 | { |
|
223 | 225 | dbg.nospace() << "AbstractDomain(" << domain.m_minX << ',' << domain.m_maxX << ',' << domain.m_minY << ',' << domain.m_maxY << ')' << domain.m_size; |
|
224 | 226 | return dbg.maybeSpace(); |
|
225 | 227 | } |
|
226 | 228 | |
|
227 | 229 | #include "moc_logxlogydomain_p.cpp" |
|
228 | 230 | |
|
229 | 231 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,214 +1,215 | |||
|
1 | 1 | /**************************************************************************** |
|
2 | 2 | ** |
|
3 | 3 | ** Copyright (C) 2012 Digia Plc |
|
4 | 4 | ** All rights reserved. |
|
5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
|
6 | 6 | ** |
|
7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
|
8 | 8 | ** |
|
9 | 9 | ** $QT_BEGIN_LICENSE$ |
|
10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
|
11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
|
12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
|
13 | 13 | ** a written agreement between you and Digia. |
|
14 | 14 | ** |
|
15 | 15 | ** If you have questions regarding the use of this file, please use |
|
16 | 16 | ** contact form at http://qt.digia.com |
|
17 | 17 | ** $QT_END_LICENSE$ |
|
18 | 18 | ** |
|
19 | 19 | ****************************************************************************/ |
|
20 | 20 | |
|
21 | 21 | #include "logxydomain_p.h" |
|
22 | 22 | #include "qabstractaxis_p.h" |
|
23 | 23 | #include "qlogvalueaxis.h" |
|
24 | 24 | #include <qmath.h> |
|
25 | 25 | |
|
26 | 26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
27 | 27 | |
|
28 | 28 | LogXYDomain::LogXYDomain(QObject *parent) |
|
29 | 29 | : AbstractDomain(parent), |
|
30 | 30 | m_logMinX(0), |
|
31 | 31 | m_logMaxX(1), |
|
32 | 32 | m_logBaseX(10) |
|
33 | 33 | { |
|
34 | 34 | } |
|
35 | 35 | |
|
36 | 36 | LogXYDomain::~LogXYDomain() |
|
37 | 37 | { |
|
38 | 38 | } |
|
39 | 39 | |
|
40 | 40 | void LogXYDomain::setRange(qreal minX, qreal maxX, qreal minY, qreal maxY) |
|
41 | 41 | { |
|
42 | 42 | bool axisXChanged = false; |
|
43 | 43 | bool axisYChanged = false; |
|
44 | 44 | |
|
45 | 45 | if (!qFuzzyCompare(m_minX, minX) || !qFuzzyCompare(m_maxX, maxX)) { |
|
46 | 46 | m_minX = minX; |
|
47 | 47 | m_maxX = maxX; |
|
48 | 48 | axisXChanged = true; |
|
49 | 49 | m_logMinX = log10(m_minX) / log10(m_logBaseX); |
|
50 | 50 | m_logMaxX = log10(m_maxX) / log10(m_logBaseX); |
|
51 | 51 | if(!m_signalsBlocked) |
|
52 | 52 | emit rangeHorizontalChanged(m_minX, m_maxX); |
|
53 | 53 | } |
|
54 | 54 | |
|
55 | 55 | if (!qFuzzyIsNull(m_minY - minY) || !qFuzzyIsNull(m_maxY - maxY)) { |
|
56 | 56 | m_minY = minY; |
|
57 | 57 | m_maxY = maxY; |
|
58 | 58 | axisYChanged = true; |
|
59 | 59 | if(!m_signalsBlocked) |
|
60 | 60 | emit rangeVerticalChanged(m_minY, m_maxY); |
|
61 | 61 | } |
|
62 | 62 | |
|
63 | 63 | if (axisXChanged || axisYChanged) |
|
64 | 64 | emit updated(); |
|
65 | 65 | } |
|
66 | 66 | |
|
67 | 67 | void LogXYDomain::zoomIn(const QRectF &rect) |
|
68 | 68 | { |
|
69 | 69 | qreal newLogMinX = rect.left() * (m_logMaxX - m_logMinX) / m_size.width() + m_logMinX; |
|
70 | 70 | qreal newLogMaxX = rect.right() * (m_logMaxX - m_logMinX) / m_size.width() + m_logMinX; |
|
71 | 71 | qreal minX = qPow(m_logBaseX, newLogMinX); |
|
72 | 72 | qreal maxX = qPow(m_logBaseX, newLogMaxX); |
|
73 | 73 | |
|
74 | 74 | qreal dy = spanY() / m_size.height(); |
|
75 | 75 | qreal minY = m_minY; |
|
76 | 76 | qreal maxY = m_maxY; |
|
77 | 77 | |
|
78 | 78 | minY = maxY - dy * rect.bottom(); |
|
79 | 79 | maxY = maxY - dy * rect.top(); |
|
80 | 80 | |
|
81 | 81 | setRange(minX, maxX, minY, maxY); |
|
82 | 82 | } |
|
83 | 83 | |
|
84 | 84 | void LogXYDomain::zoomOut(const QRectF &rect) |
|
85 | 85 | { |
|
86 | 86 | qreal ratioX = m_size.width()/rect.width(); |
|
87 | 87 | qreal newLogMinX = m_logMinX - (m_logMaxX - m_logMinX) / ratioX; |
|
88 | 88 | qreal newLogMaxX = m_logMaxX + (m_logMaxX - m_logMinX) / ratioX; |
|
89 | 89 | qreal minX = qPow(m_logBaseX, newLogMinX); |
|
90 | 90 | qreal maxX = qPow(m_logBaseX, newLogMaxX); |
|
91 | 91 | |
|
92 | 92 | qreal dy = spanY() / rect.height(); |
|
93 | 93 | qreal minY = m_minY; |
|
94 | 94 | qreal maxY = m_maxY; |
|
95 | 95 | |
|
96 | 96 | maxY = minY + dy * rect.bottom(); |
|
97 | 97 | minY = maxY - dy * m_size.height(); |
|
98 | 98 | |
|
99 | 99 | setRange(minX, maxX, minY, maxY); |
|
100 | 100 | } |
|
101 | 101 | |
|
102 | 102 | void LogXYDomain::move(qreal dx, qreal dy) |
|
103 | 103 | { |
|
104 | 104 | qreal stepX = dx * qAbs(m_logMaxX - m_logMinX) / m_size.width(); |
|
105 | 105 | qreal minX = qPow(m_logBaseX, m_logMinX + stepX); |
|
106 | 106 | qreal maxX = qPow(m_logBaseX, m_logMaxX + stepX); |
|
107 | 107 | |
|
108 | 108 | qreal y = spanY() / m_size.height(); |
|
109 | 109 | qreal minY = m_minY; |
|
110 | 110 | qreal maxY = m_maxY; |
|
111 | 111 | |
|
112 | 112 | if (dy != 0) { |
|
113 | 113 | minY = minY + y * dy; |
|
114 | 114 | maxY = maxY + y * dy; |
|
115 | 115 | } |
|
116 | 116 | setRange(minX, maxX, minY, maxY); |
|
117 | 117 | } |
|
118 | 118 | |
|
119 | 119 | QPointF LogXYDomain::calculateGeometryPoint(const QPointF &point) const |
|
120 | 120 | { |
|
121 | 121 | const qreal leftEdge = m_logMinX < m_logMaxX ? m_logMinX : m_logMaxX; |
|
122 | 122 | const qreal deltaX = m_size.width() / qAbs(m_logMaxX - m_logMinX); |
|
123 | 123 | const qreal deltaY = m_size.height() / (m_maxY - m_minY); |
|
124 | 124 | |
|
125 | 125 | qreal x = (log10(point.x()) / log10(m_logBaseX)) * deltaX - leftEdge * deltaX; |
|
126 | 126 | qreal y = (point.y() - m_minY) * -deltaY + m_size.height(); |
|
127 | 127 | return QPointF(x, y); |
|
128 | 128 | } |
|
129 | 129 | |
|
130 | 130 | QVector<QPointF> LogXYDomain::calculateGeometryPoints(const QList<QPointF>& vector) const |
|
131 | 131 | { |
|
132 | 132 | const qreal leftEdge = m_logMinX < m_logMaxX ? m_logMinX : m_logMaxX; |
|
133 | 133 | const qreal deltaX = m_size.width() / qAbs(m_logMaxX - m_logMinX); |
|
134 | 134 | const qreal deltaY = m_size.height() / (m_maxY - m_minY); |
|
135 | 135 | |
|
136 | 136 | QVector<QPointF> result; |
|
137 | 137 | result.resize(vector.count()); |
|
138 | 138 | |
|
139 | 139 | for (int i = 0; i < vector.count(); ++i) { |
|
140 | 140 | qreal x = (log10(vector[i].x()) / log10(m_logBaseX)) * deltaX - leftEdge * deltaX; |
|
141 | 141 | qreal y = (vector[i].y() - m_minY) * -deltaY + m_size.height(); |
|
142 | 142 | result[i].setX(x); |
|
143 | 143 | result[i].setY(y); |
|
144 | 144 | } |
|
145 | 145 | return result; |
|
146 | 146 | } |
|
147 | 147 | |
|
148 | 148 | QPointF LogXYDomain::calculateDomainPoint(const QPointF &point) const |
|
149 | 149 | { |
|
150 | 150 | const qreal leftEdgeX= m_logMinX < m_logMaxX ? m_logMinX : m_logMaxX; |
|
151 | 151 | const qreal deltaX = m_size.width() / qAbs(m_logMaxX - m_logMinX); |
|
152 | 152 | const qreal deltaY = m_size.height() / (m_maxY - m_minY); |
|
153 | 153 | qreal x = qPow(m_logBaseX, leftEdgeX + point.x() / deltaX); |
|
154 | 154 | qreal y = (point.y() - m_size.height()) / (-deltaY) + m_minY; |
|
155 | 155 | return QPointF(x, y); |
|
156 | 156 | } |
|
157 | 157 | |
|
158 | 158 | bool LogXYDomain::attachAxis(QAbstractAxis* axis) |
|
159 | 159 | { |
|
160 | 160 | AbstractDomain::attachAxis(axis); |
|
161 | 161 | QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis); |
|
162 | 162 | |
|
163 | 163 | if(logAxis && logAxis->orientation()==Qt::Horizontal) { |
|
164 | 164 | QObject::connect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleHorizontalAxisBaseChanged(qreal))); |
|
165 | 165 | handleHorizontalAxisBaseChanged(logAxis->base()); |
|
166 | 166 | } |
|
167 | 167 | |
|
168 | 168 | return true; |
|
169 | 169 | } |
|
170 | 170 | |
|
171 | 171 | bool LogXYDomain::detachAxis(QAbstractAxis* axis) |
|
172 | 172 | { |
|
173 | 173 | AbstractDomain::detachAxis(axis); |
|
174 | 174 | QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis); |
|
175 | 175 | |
|
176 | 176 | if(logAxis && logAxis->orientation()==Qt::Horizontal) |
|
177 | 177 | QObject::disconnect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleHorizontalAxisBaseChanged(qreal))); |
|
178 | 178 | |
|
179 | 179 | return true; |
|
180 | 180 | } |
|
181 | 181 | |
|
182 | 182 | void LogXYDomain::handleHorizontalAxisBaseChanged(qreal baseX) |
|
183 | 183 | { |
|
184 | 184 | m_logBaseX = baseX; |
|
185 | 185 | m_logMinX = log10(m_minX) / log10(m_logBaseX); |
|
186 | 186 | m_logMaxX = log10(m_maxX) / log10(m_logBaseX); |
|
187 | emit updated(); | |
|
187 | 188 | } |
|
188 | 189 | |
|
189 | 190 | // operators |
|
190 | 191 | |
|
191 | 192 | bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator== (const LogXYDomain &domain1, const LogXYDomain &domain2) |
|
192 | 193 | { |
|
193 | 194 | return (qFuzzyIsNull(domain1.m_maxX - domain2.m_maxX) && |
|
194 | 195 | qFuzzyIsNull(domain1.m_maxY - domain2.m_maxY) && |
|
195 | 196 | qFuzzyIsNull(domain1.m_minX - domain2.m_minX) && |
|
196 | 197 | qFuzzyIsNull(domain1.m_minY - domain2.m_minY)); |
|
197 | 198 | } |
|
198 | 199 | |
|
199 | 200 | |
|
200 | 201 | bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator!= (const LogXYDomain &domain1, const LogXYDomain &domain2) |
|
201 | 202 | { |
|
202 | 203 | return !(domain1 == domain2); |
|
203 | 204 | } |
|
204 | 205 | |
|
205 | 206 | |
|
206 | 207 | QDebug QTCOMMERCIALCHART_AUTOTEST_EXPORT operator<<(QDebug dbg, const LogXYDomain &domain) |
|
207 | 208 | { |
|
208 | 209 | dbg.nospace() << "AbstractDomain(" << domain.m_minX << ',' << domain.m_maxX << ',' << domain.m_minY << ',' << domain.m_maxY << ')' << domain.m_size; |
|
209 | 210 | return dbg.maybeSpace(); |
|
210 | 211 | } |
|
211 | 212 | |
|
212 | 213 | #include "moc_logxydomain_p.cpp" |
|
213 | 214 | |
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214 | 215 | QTCOMMERCIALCHART_END_NAMESPACE |
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1 | 1 | /**************************************************************************** |
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2 | 2 | ** |
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3 | 3 | ** Copyright (C) 2012 Digia Plc |
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4 | 4 | ** All rights reserved. |
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5 | 5 | ** For any questions to Digia, please use contact form at http://qt.digia.com |
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6 | 6 | ** |
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7 | 7 | ** This file is part of the Qt Commercial Charts Add-on. |
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8 | 8 | ** |
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9 | 9 | ** $QT_BEGIN_LICENSE$ |
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10 | 10 | ** Licensees holding valid Qt Commercial licenses may use this file in |
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11 | 11 | ** accordance with the Qt Commercial License Agreement provided with the |
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12 | 12 | ** Software or, alternatively, in accordance with the terms contained in |
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13 | 13 | ** a written agreement between you and Digia. |
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14 | 14 | ** |
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15 | 15 | ** If you have questions regarding the use of this file, please use |
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16 | 16 | ** contact form at http://qt.digia.com |
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17 | 17 | ** $QT_END_LICENSE$ |
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18 | 18 | ** |
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19 | 19 | ****************************************************************************/ |
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20 | 20 | |
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21 | 21 | #include "xlogydomain_p.h" |
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22 | 22 | #include "qabstractaxis_p.h" |
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23 | 23 | #include "qlogvalueaxis.h" |
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24 | 24 | #include <qmath.h> |
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25 | 25 | |
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26 | 26 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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27 | 27 | |
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28 | 28 | XLogYDomain::XLogYDomain(QObject *parent) |
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29 | 29 | : AbstractDomain(parent), |
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30 | 30 | m_logMinY(0), |
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31 | 31 | m_logMaxY(1), |
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32 | 32 | m_logBaseY(10) |
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33 | 33 | { |
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34 | 34 | } |
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35 | 35 | |
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36 | 36 | XLogYDomain::~XLogYDomain() |
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37 | 37 | { |
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38 | 38 | } |
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39 | 39 | |
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40 | 40 | void XLogYDomain::setRange(qreal minX, qreal maxX, qreal minY, qreal maxY) |
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41 | 41 | { |
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42 | 42 | bool axisXChanged = false; |
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43 | 43 | bool axisYChanged = false; |
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44 | 44 | |
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45 | 45 | if (!qFuzzyIsNull(m_minX - minX) || !qFuzzyIsNull(m_maxX - maxX)) { |
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46 | 46 | m_minX = minX; |
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47 | 47 | m_maxX = maxX; |
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48 | 48 | axisXChanged = true; |
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49 | 49 | if(!m_signalsBlocked) |
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50 | 50 | emit rangeHorizontalChanged(m_minX, m_maxX); |
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51 | 51 | } |
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52 | 52 | |
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53 | 53 | if (!qFuzzyIsNull(m_minY - minY) || !qFuzzyIsNull(m_maxY - maxY)) { |
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54 | 54 | m_minY = minY; |
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55 | 55 | m_maxY = maxY; |
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56 | 56 | axisYChanged = true; |
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57 | 57 | m_logMinY = log10(m_minY) / log10(m_logBaseY); |
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58 | 58 | m_logMaxY = log10(m_maxY) / log10(m_logBaseY); |
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59 | 59 | if(!m_signalsBlocked) |
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60 | 60 | emit rangeVerticalChanged(m_minY, m_maxY); |
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61 | 61 | } |
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62 | 62 | |
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63 | 63 | if (axisXChanged || axisYChanged) |
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64 | 64 | emit updated(); |
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65 | 65 | } |
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66 | 66 | |
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67 | 67 | void XLogYDomain::zoomIn(const QRectF &rect) |
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68 | 68 | { |
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69 | 69 | qreal dx = spanX() / m_size.width(); |
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70 | 70 | qreal maxX = m_maxX; |
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71 | 71 | qreal minX = m_minX; |
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72 | 72 | |
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73 | 73 | maxX = minX + dx * rect.right(); |
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74 | 74 | minX = minX + dx * rect.left(); |
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75 | 75 | |
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76 | 76 | qreal newLogMinY = m_logMaxY - rect.bottom() * (m_logMaxY - m_logMinY) / m_size.height(); |
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77 | 77 | qreal newLogMaxY = m_logMaxY - rect.top() * (m_logMaxY - m_logMinY) / m_size.height(); |
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78 | 78 | qreal minY = qPow(m_logBaseY, newLogMinY); |
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79 | 79 | qreal maxY = qPow(m_logBaseY, newLogMaxY); |
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80 | 80 | |
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81 | 81 | setRange(minX, maxX, minY, maxY); |
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82 | 82 | } |
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83 | 83 | |
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84 | 84 | void XLogYDomain::zoomOut(const QRectF &rect) |
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85 | 85 | { |
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86 | 86 | qreal dx = spanX() / rect.width(); |
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87 | 87 | qreal maxX = m_maxX; |
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88 | 88 | qreal minX = m_minX; |
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89 | 89 | |
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90 | 90 | minX = maxX - dx * rect.right(); |
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91 | 91 | maxX = minX + dx * m_size.width(); |
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92 | 92 | |
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93 | 93 | qreal ratioY = m_size.height()/rect.height(); |
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94 | 94 | qreal newLogMinY = m_logMinY - (m_logMaxY - m_logMinY) / ratioY; |
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95 | 95 | qreal newLogMaxY = m_logMaxY + (m_logMaxY - m_logMinY) / ratioY; |
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96 | 96 | qreal minY = qPow(m_logBaseY, newLogMinY); |
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97 | 97 | qreal maxY = qPow(m_logBaseY, newLogMaxY); |
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98 | 98 | |
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99 | 99 | setRange(minX, maxX, minY, maxY); |
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100 | 100 | } |
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101 | 101 | |
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102 | 102 | void XLogYDomain::move(qreal dx, qreal dy) |
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103 | 103 | { |
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104 | 104 | qreal x = spanX() / m_size.width(); |
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105 | 105 | qreal maxX = m_maxX; |
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106 | 106 | qreal minX = m_minX; |
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107 | 107 | |
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108 | 108 | if (dx != 0) { |
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109 | 109 | minX = minX + x * dx; |
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110 | 110 | maxX = maxX + x * dx; |
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111 | 111 | } |
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112 | 112 | |
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113 | 113 | qreal stepY = dy * qAbs(m_logMaxY - m_logMinY) / m_size.height(); |
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114 | 114 | qreal minY = qPow(m_logBaseY, m_logMinY + stepY); |
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115 | 115 | qreal maxY = qPow(m_logBaseY, m_logMaxY + stepY); |
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116 | 116 | |
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117 | 117 | setRange(minX, maxX, minY, maxY); |
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118 | 118 | } |
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119 | 119 | |
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120 | 120 | QPointF XLogYDomain::calculateGeometryPoint(const QPointF &point) const |
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121 | 121 | { |
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122 | 122 | const qreal leftEdge = m_logMinY < m_logMaxY ? m_logMinY : m_logMaxY; |
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123 | 123 | const qreal deltaX = m_size.width() / (m_maxX - m_minX); |
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124 | 124 | const qreal deltaY = m_size.height() / qAbs(m_logMaxY - m_logMinY); |
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125 | 125 | |
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126 | 126 | qreal x = (point.x() - m_minX) * deltaX; |
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127 | 127 | qreal y = (log10(point.y()) / log10(m_logBaseY)) * -deltaY - leftEdge * -deltaY + m_size.height(); |
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128 | 128 | return QPointF(x, y); |
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129 | 129 | } |
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130 | 130 | |
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131 | 131 | QVector<QPointF> XLogYDomain::calculateGeometryPoints(const QList<QPointF>& vector) const |
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132 | 132 | { |
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133 | 133 | const qreal leftEdge = m_logMinY < m_logMaxY ? m_logMinY : m_logMaxY; |
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134 | 134 | const qreal deltaX = m_size.width() / (m_maxX - m_minX); |
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135 | 135 | const qreal deltaY = m_size.height() / qAbs(m_logMaxY - m_logMinY); |
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136 | 136 | |
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137 | 137 | QVector<QPointF> result; |
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138 | 138 | result.resize(vector.count()); |
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139 | 139 | |
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140 | 140 | for (int i = 0; i < vector.count(); ++i) { |
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141 | 141 | qreal x = (vector[i].x() - m_minX) * deltaX; |
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142 | 142 | qreal y = (log10(vector[i].y()) / log10(m_logBaseY)) * -deltaY - leftEdge * -deltaY + m_size.height(); |
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143 | 143 | result[i].setX(x); |
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144 | 144 | result[i].setY(y); |
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145 | 145 | } |
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146 | 146 | return result; |
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147 | 147 | } |
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148 | 148 | |
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149 | 149 | QPointF XLogYDomain::calculateDomainPoint(const QPointF &point) const |
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150 | 150 | { |
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151 | 151 | const qreal deltaX = m_size.width() / (m_maxX - m_minX); |
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152 | 152 | const qreal leftEdgeY = m_logMinY < m_logMaxY ? m_logMinY : m_logMaxY; |
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153 | 153 | const qreal deltaY = m_size.height() / qAbs(m_logMaxY - m_logMinY); |
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154 | 154 | qreal x = point.x() / deltaX + m_minX; |
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155 | 155 | qreal y = qPow(m_logBaseY, leftEdgeY + (m_size.height() - point.y()) / deltaY); |
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156 | 156 | return QPointF(x, y); |
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157 | 157 | } |
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158 | 158 | |
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159 | 159 | bool XLogYDomain::attachAxis(QAbstractAxis* axis) |
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160 | 160 | { |
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161 | 161 | QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis); |
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162 | 162 | |
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163 | 163 | if(logAxis && logAxis->orientation()==Qt::Vertical){ |
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164 | 164 | QObject::connect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleVerticalAxisBaseChanged(qreal))); |
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165 | 165 | handleVerticalAxisBaseChanged(logAxis->base()); |
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166 | 166 | } |
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167 | 167 | return AbstractDomain::attachAxis(axis); |
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168 | 168 | } |
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169 | 169 | |
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170 | 170 | bool XLogYDomain::detachAxis(QAbstractAxis* axis) |
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171 | 171 | { |
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172 | 172 | QLogValueAxis *logAxis = qobject_cast<QLogValueAxis *>(axis); |
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173 | 173 | |
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174 | 174 | if(logAxis && logAxis->orientation()==Qt::Vertical) |
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175 | 175 | QObject::disconnect(logAxis, SIGNAL(baseChanged(qreal)), this, SLOT(handleVerticalAxisBaseChanged(qreal))); |
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176 | 176 | |
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177 | 177 | return AbstractDomain::detachAxis(axis); |
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178 | 178 | } |
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179 | 179 | |
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180 | 180 | void XLogYDomain::handleVerticalAxisBaseChanged(qreal baseY) |
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181 | 181 | { |
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182 | 182 | m_logBaseY = baseY; |
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183 | 183 | m_logMinY = log10(m_minY) / log10(m_logBaseY); |
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184 | 184 | m_logMaxY = log10(m_maxY) / log10(m_logBaseY); |
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185 | emit updated(); | |
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185 | 186 | } |
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186 | 187 | |
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187 | 188 | // operators |
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188 | 189 | |
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189 | 190 | bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator== (const XLogYDomain &domain1, const XLogYDomain &domain2) |
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190 | 191 | { |
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191 | 192 | return (qFuzzyIsNull(domain1.m_maxX - domain2.m_maxX) && |
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192 | 193 | qFuzzyIsNull(domain1.m_maxY - domain2.m_maxY) && |
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193 | 194 | qFuzzyIsNull(domain1.m_minX - domain2.m_minX) && |
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194 | 195 | qFuzzyIsNull(domain1.m_minY - domain2.m_minY)); |
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195 | 196 | } |
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196 | 197 | |
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197 | 198 | |
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198 | 199 | bool QTCOMMERCIALCHART_AUTOTEST_EXPORT operator!= (const XLogYDomain &domain1, const XLogYDomain &domain2) |
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199 | 200 | { |
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200 | 201 | return !(domain1 == domain2); |
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201 | 202 | } |
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202 | 203 | |
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203 | 204 | |
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204 | 205 | QDebug QTCOMMERCIALCHART_AUTOTEST_EXPORT operator<<(QDebug dbg, const XLogYDomain &domain) |
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205 | 206 | { |
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206 | 207 | dbg.nospace() << "AbstractDomain(" << domain.m_minX << ',' << domain.m_maxX << ',' << domain.m_minY << ',' << domain.m_maxY << ')' << domain.m_size; |
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207 | 208 | return dbg.maybeSpace(); |
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208 | 209 | } |
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209 | 210 | |
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210 | 211 | #include "moc_xlogydomain_p.cpp" |
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211 | 212 | |
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212 | 213 | QTCOMMERCIALCHART_END_NAMESPACE |
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