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1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include "qsplineseries.h"
21 #include "qsplineseries.h"
22 #include "qsplineseries_p.h"
22 #include "qsplineseries_p.h"
23 #include "splinechartitem_p.h"
23 #include "splinechartitem_p.h"
24 #include "chartdataset_p.h"
24 #include "chartdataset_p.h"
25 #include "charttheme_p.h"
25 #include "charttheme_p.h"
26 #include "splineanimation_p.h"
26 #include "splineanimation_p.h"
27
27
28 /*!
28 /*!
29 \class QSplineSeries
29 \class QSplineSeries
30 \brief Series type used to store data needed to draw a spline.
30 \brief Series type used to store data needed to draw a spline.
31
31
32 QSplineSeries stores the data points along with the segment control points needed by QPainterPath to draw spline
32 QSplineSeries stores the data points along with the segment control points needed by QPainterPath to draw spline
33 Control points are automatically calculated when data changes. The algorithm computes the points so that the normal spline can be drawn.
33 Control points are automatically calculated when data changes. The algorithm computes the points so that the normal spline can be drawn.
34
34
35 \image examples_splinechart.png
35 \image examples_splinechart.png
36
36
37 Creating basic spline chart is simple:
37 Creating basic spline chart is simple:
38 \code
38 \code
39 QSplineSeries* series = new QSplineSeries();
39 QSplineSeries* series = new QSplineSeries();
40 series->append(0, 6);
40 series->append(0, 6);
41 series->append(2, 4);
41 series->append(2, 4);
42 ...
42 ...
43 chart->addSeries(series);
43 chart->addSeries(series);
44 \endcode
44 \endcode
45 */
45 */
46
46
47 /*!
47 /*!
48 \qmlclass SplineSeries QSplineSeries
48 \qmlclass SplineSeries QSplineSeries
49 \inherits XYSeries
49 \inherits XYSeries
50
50
51 The following QML shows how to create a simple spline chart:
51 The following QML shows how to create a simple spline chart:
52 \snippet ../demos/qmlchart/qml/qmlchart/View3.qml 1
52 \snippet ../demos/qmlchart/qml/qmlchart/View3.qml 1
53 \beginfloatleft
53 \beginfloatleft
54 \image demos_qmlchart3.png
54 \image demos_qmlchart3.png
55 \endfloat
55 \endfloat
56 \clearfloat
56 \clearfloat
57 */
57 */
58
58
59 /*!
59 /*!
60 \fn QSeriesType QSplineSeries::type() const
60 \fn QSeriesType QSplineSeries::type() const
61 Returns the type of the series
61 Returns the type of the series
62 */
62 */
63
63
64 QTCOMMERCIALCHART_BEGIN_NAMESPACE
64 QTCOMMERCIALCHART_BEGIN_NAMESPACE
65
65
66 /*!
66 /*!
67 Constructs empty series object which is a child of \a parent.
67 Constructs empty series object which is a child of \a parent.
68 When series object is added to QChartView or QChart instance then the ownerships is transferred.
68 When series object is added to QChartView or QChart instance then the ownerships is transferred.
69 */
69 */
70
70
71 QSplineSeries::QSplineSeries(QObject *parent) :
71 QSplineSeries::QSplineSeries(QObject *parent) :
72 QLineSeries(*new QSplineSeriesPrivate(this),parent)
72 QLineSeries(*new QSplineSeriesPrivate(this),parent)
73 {
73 {
74 Q_D(QSplineSeries);
74 Q_D(QSplineSeries);
75 QObject::connect(this,SIGNAL(pointAdded(int)), d, SLOT(updateControlPoints()));
75 QObject::connect(this,SIGNAL(pointAdded(int)), d, SLOT(updateControlPoints()));
76 QObject::connect(this,SIGNAL(pointRemoved(int)), d, SLOT(updateControlPoints()));
76 QObject::connect(this,SIGNAL(pointRemoved(int)), d, SLOT(updateControlPoints()));
77 QObject::connect(this,SIGNAL(pointReplaced(int)), d, SLOT(updateControlPoints()));
77 QObject::connect(this,SIGNAL(pointReplaced(int)), d, SLOT(updateControlPoints()));
78 }
78 }
79
79
80 /*!
80 /*!
81 Destroys the object.
81 Destroys the object.
82 */
82 */
83 QSplineSeries::~QSplineSeries()
83 QSplineSeries::~QSplineSeries()
84 {
84 {
85 Q_D(QSplineSeries);
85 Q_D(QSplineSeries);
86 if(d->m_dataset){
86 if(d->m_dataset){
87 d->m_dataset->removeSeries(this);
87 d->m_dataset->removeSeries(this);
88 }
88 }
89 }
89 }
90
90
91 QAbstractSeries::SeriesType QSplineSeries::type() const
91 QAbstractSeries::SeriesType QSplineSeries::type() const
92 {
92 {
93 return QAbstractSeries::SeriesTypeSpline;
93 return QAbstractSeries::SeriesTypeSpline;
94 }
94 }
95
95
96 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
96 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
97
97
98 QSplineSeriesPrivate::QSplineSeriesPrivate(QSplineSeries* q):QLineSeriesPrivate(q)
98 QSplineSeriesPrivate::QSplineSeriesPrivate(QSplineSeries* q):QLineSeriesPrivate(q)
99 {
99 {
100 }
100 }
101
101
102 /*!
102 /*!
103 Calculates control points which are needed by QPainterPath.cubicTo function to draw the cubic Bezier cureve between two points.
103 Calculates control points which are needed by QPainterPath.cubicTo function to draw the cubic Bezier cureve between two points.
104 */
104 */
105 void QSplineSeriesPrivate::calculateControlPoints()
105 void QSplineSeriesPrivate::calculateControlPoints()
106 {
106 {
107 Q_Q(QSplineSeries);
107 Q_Q(QSplineSeries);
108
108
109 const QList<QPointF>& points = q->points();
109 const QList<QPointF>& points = q->points();
110
110
111 int n = points.count() - 1;
111 int n = points.count() - 1;
112
112
113 if (n == 1)
113 if (n == 1)
114 {
114 {
115 //for n==1
115 //for n==1
116 m_controlPoints[0].setX((2 * points[0].x() + points[1].x()) / 3);
116 m_controlPoints[0].setX((2 * points[0].x() + points[1].x()) / 3);
117 m_controlPoints[0].setY((2 * points[0].y() + points[1].y()) / 3);
117 m_controlPoints[0].setY((2 * points[0].y() + points[1].y()) / 3);
118 m_controlPoints[1].setX(2 * m_controlPoints[0].x() - points[0].x());
118 m_controlPoints[1].setX(2 * m_controlPoints[0].x() - points[0].x());
119 m_controlPoints[1].setY(2 * m_controlPoints[0].y() - points[0].y());
119 m_controlPoints[1].setY(2 * m_controlPoints[0].y() - points[0].y());
120 return;
120 return;
121 }
121 }
122
122
123 // Calculate first Bezier control points
123 // Calculate first Bezier control points
124 // Set of equations for P0 to Pn points.
124 // Set of equations for P0 to Pn points.
125 //
125 //
126 // | 2 1 0 0 ... 0 0 0 ... 0 0 0 | | P1_1 | | P0 + 2 * P1 |
126 // | 2 1 0 0 ... 0 0 0 ... 0 0 0 | | P1_1 | | P0 + 2 * P1 |
127 // | 1 4 1 0 ... 0 0 0 ... 0 0 0 | | P1_2 | | 4 * P1 + 2 * P2 |
127 // | 1 4 1 0 ... 0 0 0 ... 0 0 0 | | P1_2 | | 4 * P1 + 2 * P2 |
128 // | 0 1 4 1 ... 0 0 0 ... 0 0 0 | | P1_3 | | 4 * P2 + 2 * P3 |
128 // | 0 1 4 1 ... 0 0 0 ... 0 0 0 | | P1_3 | | 4 * P2 + 2 * P3 |
129 // | . . . . . . . . . . . . | | ... | | ... |
129 // | . . . . . . . . . . . . | | ... | | ... |
130 // | 0 0 0 0 ... 1 4 1 ... 0 0 0 | * | P1_i | = | 4 * P(i-1) + 2 * Pi |
130 // | 0 0 0 0 ... 1 4 1 ... 0 0 0 | * | P1_i | = | 4 * P(i-1) + 2 * Pi |
131 // | . . . . . . . . . . . . | | ... | | ... |
131 // | . . . . . . . . . . . . | | ... | | ... |
132 // | 0 0 0 0 0 0 0 0 ... 1 4 1 | | P1_(n-1)| | 4 * P(n-2) + 2 * P(n-1) |
132 // | 0 0 0 0 0 0 0 0 ... 1 4 1 | | P1_(n-1)| | 4 * P(n-2) + 2 * P(n-1) |
133 // | 0 0 0 0 0 0 0 0 ... 0 2 7 | | P1_n | | 8 * P(n-1) + Pn |
133 // | 0 0 0 0 0 0 0 0 ... 0 2 7 | | P1_n | | 8 * P(n-1) + Pn |
134 //
134 //
135 QVector<qreal> vector;
135 QVector<qreal> vector;
136 vector.resize(n);
136 vector.resize(n);
137
137
138 vector[0] = points[0].x() + 2 * points[1].x();
138 vector[0] = points[0].x() + 2 * points[1].x();
139
139
140
140
141 for (int i = 1; i < n - 1; ++i){
141 for (int i = 1; i < n - 1; ++i){
142 vector[i] = 4 * points[i].x() + 2 * points[i + 1].x();
142 vector[i] = 4 * points[i].x() + 2 * points[i + 1].x();
143 }
143 }
144
144
145 vector[n - 1] = (8 * points[n-1].x() + points[n].x()) / 2.0;
145 vector[n - 1] = (8 * points[n-1].x() + points[n].x()) / 2.0;
146
146
147 QVector<qreal> xControl = firstControlPoints(vector);
147 QVector<qreal> xControl = firstControlPoints(vector);
148
148
149 vector[0] = points[0].y() + 2 * points[1].y();
149 vector[0] = points[0].y() + 2 * points[1].y();
150
150
151 for (int i = 1; i < n - 1; ++i) {
151 for (int i = 1; i < n - 1; ++i) {
152 vector[i] = 4 * points[i].y() + 2 * points[i + 1].y();
152 vector[i] = 4 * points[i].y() + 2 * points[i + 1].y();
153 }
153 }
154
154
155 vector[n - 1] = (8 * points[n-1].y() + points[n].y()) / 2.0;
155 vector[n - 1] = (8 * points[n-1].y() + points[n].y()) / 2.0;
156
156
157 QVector<qreal> yControl = firstControlPoints(vector);
157 QVector<qreal> yControl = firstControlPoints(vector);
158
158
159 for (int i = 0,j =0; i < n; ++i, ++j) {
159 for (int i = 0,j =0; i < n; ++i, ++j) {
160
160
161 m_controlPoints[j].setX(xControl[i]);
161 m_controlPoints[j].setX(xControl[i]);
162 m_controlPoints[j].setY(yControl[i]);
162 m_controlPoints[j].setY(yControl[i]);
163
163
164 j++;
164 j++;
165
165
166 if (i < n - 1){
166 if (i < n - 1){
167 m_controlPoints[j].setX(2 * points[i+1].x() - xControl[i + 1]);
167 m_controlPoints[j].setX(2 * points[i+1].x() - xControl[i + 1]);
168 m_controlPoints[j].setY(2 * points[i+1].y() - yControl[i + 1]);
168 m_controlPoints[j].setY(2 * points[i+1].y() - yControl[i + 1]);
169 }else{
169 }else{
170 m_controlPoints[j].setX((points[n].x() + xControl[n - 1]) / 2);
170 m_controlPoints[j].setX((points[n].x() + xControl[n - 1]) / 2);
171 m_controlPoints[j].setY((points[n].y() + yControl[n - 1]) / 2);
171 m_controlPoints[j].setY((points[n].y() + yControl[n - 1]) / 2);
172 }
172 }
173 }
173 }
174 }
174 }
175
175
176 QVector<qreal> QSplineSeriesPrivate::firstControlPoints(const QVector<qreal>& vector)
176 QVector<qreal> QSplineSeriesPrivate::firstControlPoints(const QVector<qreal>& vector)
177 {
177 {
178 QVector<qreal> result;
178 QVector<qreal> result;
179
179
180 int count = vector.count();
180 int count = vector.count();
181 result.resize(count);
181 result.resize(count);
182 result[0] = vector[0] / 2.0;
182 result[0] = vector[0] / 2.0;
183
183
184 QVector<qreal> temp;
184 QVector<qreal> temp;
185 temp.resize(count);
185 temp.resize(count);
186 temp[0] = 0;
186 temp[0] = 0;
187
187
188 qreal b = 2.0;
188 qreal b = 2.0;
189
189
190 for (int i = 1; i < count; i++) {
190 for (int i = 1; i < count; i++) {
191 temp[i] = 1 / b;
191 temp[i] = 1 / b;
192 b = (i < count - 1 ? 4.0 : 3.5) - temp[i];
192 b = (i < count - 1 ? 4.0 : 3.5) - temp[i];
193 result[i]=(vector[i] - result[i - 1]) / b;
193 result[i]=(vector[i] - result[i - 1]) / b;
194 }
194 }
195 for (int i = 1; i < count; i++)
195 for (int i = 1; i < count; i++)
196 result[count - i - 1] -= temp[count - i] * result[count - i];
196 result[count - i - 1] -= temp[count - i] * result[count - i];
197
197
198 return result;
198 return result;
199 }
199 }
200
200
201 QPointF QSplineSeriesPrivate::controlPoint(int index) const
201 QPointF QSplineSeriesPrivate::controlPoint(int index) const
202 {
202 {
203 // Q_D(const QSplineSeries);
204 // return d->m_controlPoints[index];
205 return m_controlPoints[index];
203 return m_controlPoints[index];
206 }
204 }
207
205
208 /*!
206 /*!
209 Updates the control points, besed on currently avaiable knots.
207 Updates the control points, besed on currently avaiable knots.
210 */
208 */
211 void QSplineSeriesPrivate::updateControlPoints()
209 void QSplineSeriesPrivate::updateControlPoints()
212 {
210 {
213 Q_Q(QSplineSeries);
211 Q_Q(QSplineSeries);
214 if (q->count() > 1) {
212 if (q->count() > 1) {
215 m_controlPoints.resize(2*q->count()-2);
213 m_controlPoints.resize(2*q->count()-2);
216 calculateControlPoints();
214 calculateControlPoints();
217 }
215 }
218 }
216 }
219
217
220 ChartElement* QSplineSeriesPrivate::createGraphics(ChartPresenter* presenter)
218 ChartElement* QSplineSeriesPrivate::createGraphics(ChartPresenter* presenter)
221 {
219 {
222 Q_Q(QSplineSeries);
220 Q_Q(QSplineSeries);
223 SplineChartItem* spline = new SplineChartItem(q,presenter);
221 SplineChartItem* spline = new SplineChartItem(q,presenter);
224 if(presenter->animationOptions().testFlag(QChart::SeriesAnimations)) {
222 if(presenter->animationOptions().testFlag(QChart::SeriesAnimations)) {
225 spline->setAnimation(new SplineAnimation(spline));
223 spline->setAnimation(new SplineAnimation(spline));
226 }
224 }
227
225
228 presenter->chartTheme()->decorate(q, presenter->dataSet()->seriesIndex(q));
226 presenter->chartTheme()->decorate(q, presenter->dataSet()->seriesIndex(q));
229 return spline;
227 return spline;
230 }
228 }
231
229
232 #include "moc_qsplineseries.cpp"
230 #include "moc_qsplineseries.cpp"
233 #include "moc_qsplineseries_p.cpp"
231 #include "moc_qsplineseries_p.cpp"
234
232
235 QTCOMMERCIALCHART_END_NAMESPACE
233 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -1,172 +1,171
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include "splinechartitem_p.h"
21 #include "splinechartitem_p.h"
22 #include "qsplineseries_p.h"
22 #include "qsplineseries_p.h"
23 #include "chartpresenter_p.h"
23 #include "chartpresenter_p.h"
24 #include "splineanimation_p.h"
24 #include "splineanimation_p.h"
25 #include <QPainter>
25 #include <QPainter>
26 #include <QGraphicsSceneMouseEvent>
26 #include <QGraphicsSceneMouseEvent>
27
27
28 QTCOMMERCIALCHART_BEGIN_NAMESPACE
28 QTCOMMERCIALCHART_BEGIN_NAMESPACE
29
29
30 SplineChartItem::SplineChartItem(QSplineSeries *series, ChartPresenter *presenter) :
30 SplineChartItem::SplineChartItem(QSplineSeries *series, ChartPresenter *presenter) :
31 XYChart(series, presenter),
31 XYChart(series, presenter),
32 QGraphicsItem(presenter ? presenter->rootItem() : 0),
32 QGraphicsItem(presenter ? presenter->rootItem() : 0),
33 m_series(series),
33 m_series(series),
34 m_pointsVisible(false),
34 m_pointsVisible(false),
35 m_animation(0)
35 m_animation(0)
36 {
36 {
37 setZValue(ChartPresenter::SplineChartZValue);
37 setZValue(ChartPresenter::SplineChartZValue);
38 QObject::connect(m_series->d_func(),SIGNAL(updated()),this,SLOT(handleUpdated()));
38 QObject::connect(m_series->d_func(),SIGNAL(updated()),this,SLOT(handleUpdated()));
39 QObject::connect(series, SIGNAL(visibleChanged()), this, SLOT(handleUpdated()));
39 QObject::connect(series, SIGNAL(visibleChanged()), this, SLOT(handleUpdated()));
40 handleUpdated();
40 handleUpdated();
41 }
41 }
42
42
43 QRectF SplineChartItem::boundingRect() const
43 QRectF SplineChartItem::boundingRect() const
44 {
44 {
45 return m_rect;
45 return m_rect;
46 }
46 }
47
47
48 QPainterPath SplineChartItem::shape() const
48 QPainterPath SplineChartItem::shape() const
49 {
49 {
50 return m_path;
50 return m_path;
51 }
51 }
52
52
53 void SplineChartItem::setAnimation(SplineAnimation* animation)
53 void SplineChartItem::setAnimation(SplineAnimation* animation)
54 {
54 {
55 m_animation=animation;
55 m_animation=animation;
56 XYChart::setAnimation(animation);
56 XYChart::setAnimation(animation);
57 }
57 }
58
58
59 ChartAnimation* SplineChartItem::animation() const
59 ChartAnimation* SplineChartItem::animation() const
60 {
60 {
61 return m_animation;
61 return m_animation;
62 }
62 }
63
63
64 void SplineChartItem::setControlGeometryPoints(QVector<QPointF>& points)
64 void SplineChartItem::setControlGeometryPoints(QVector<QPointF>& points)
65 {
65 {
66 m_controlPoints=points;
66 m_controlPoints=points;
67 }
67 }
68
68
69 QVector<QPointF> SplineChartItem::controlGeometryPoints() const
69 QVector<QPointF> SplineChartItem::controlGeometryPoints() const
70 {
70 {
71 return m_controlPoints;
71 return m_controlPoints;
72 }
72 }
73
73
74 void SplineChartItem::updateChart(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints,int index)
74 void SplineChartItem::updateChart(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints,int index)
75 {
75 {
76 QVector<QPointF> controlPoints;
76 QVector<QPointF> controlPoints;
77
77
78 if(newPoints.count()>=2) {
78 if(newPoints.count()>=2) {
79 controlPoints.resize(newPoints.count()*2-2);
79 controlPoints.resize(newPoints.count()*2-2);
80 }
80 }
81
81
82 for (int i = 0; i < newPoints.size() - 1; i++) {
82 for (int i = 0; i < newPoints.size() - 1; i++) {
83 controlPoints[2*i] = calculateGeometryControlPoint(2 * i);
83 controlPoints[2*i] = calculateGeometryControlPoint(2 * i);
84 controlPoints[2 * i + 1] = calculateGeometryControlPoint(2 * i + 1);
84 controlPoints[2 * i + 1] = calculateGeometryControlPoint(2 * i + 1);
85 }
85 }
86
86
87 if (m_animation) {
87 if (m_animation)
88 m_animation->setup(oldPoints,newPoints,m_controlPoints,controlPoints,index);
88 m_animation->setup(oldPoints, newPoints, m_controlPoints, controlPoints, index);
89 }
90
89
91 setGeometryPoints(newPoints);
90 m_points = newPoints;
92 setControlGeometryPoints(controlPoints);
91 m_controlPoints = controlPoints;
93 setDirty(false);
92 setDirty(false);
94
93
95 if (m_animation) {
94 if (m_animation) {
96 presenter()->startAnimation(m_animation);
95 presenter()->startAnimation(m_animation);
97 } else {
96 } else {
98 updateGeometry();
97 updateGeometry();
99 }
98 }
100 }
99 }
101
100
102 QPointF SplineChartItem::calculateGeometryControlPoint(int index) const
101 QPointF SplineChartItem::calculateGeometryControlPoint(int index) const
103 {
102 {
104 return XYChart::calculateGeometryPoint(m_series->d_func()->controlPoint(index));
103 return XYChart::calculateGeometryPoint(m_series->d_func()->controlPoint(index));
105 }
104 }
106
105
107 void SplineChartItem::updateGeometry()
106 void SplineChartItem::updateGeometry()
108 {
107 {
109 const QVector<QPointF> &points = geometryPoints();
108 const QVector<QPointF> &points = m_points;
110 const QVector<QPointF> &controlPoints = controlGeometryPoints();
109 const QVector<QPointF> &controlPoints = m_controlPoints;
111
110
112 if ((points.size()<2) || (controlPoints.size()<2)) {
111 if ((points.size()<2) || (controlPoints.size()<2)) {
113 prepareGeometryChange();
112 prepareGeometryChange();
114 m_path = QPainterPath();
113 m_path = QPainterPath();
115 m_rect = QRect();
114 m_rect = QRect();
116 return;
115 return;
117 }
116 }
118
117
119 Q_ASSERT(points.count()*2-2 == controlPoints.count());
118 Q_ASSERT(points.count()*2-2 == controlPoints.count());
120
119
121 QPainterPath splinePath(points.at(0));
120 QPainterPath splinePath(points.at(0));
122
121
123 for (int i = 0; i < points.size() - 1; i++) {
122 for (int i = 0; i < points.size() - 1; i++) {
124 const QPointF& point = points.at(i + 1);
123 const QPointF& point = points.at(i + 1);
125 splinePath.cubicTo(controlPoints[2*i],controlPoints[2 * i + 1],point);
124 splinePath.cubicTo(controlPoints[2*i],controlPoints[2 * i + 1],point);
126 }
125 }
127
126
128 prepareGeometryChange();
127 prepareGeometryChange();
129 m_path = splinePath;
128 m_path = splinePath;
130 m_rect = splinePath.boundingRect();
129 m_rect = splinePath.boundingRect();
131 setPos(origin());
130 setPos(origin());
132 }
131 }
133
132
134 //handlers
133 //handlers
135
134
136 void SplineChartItem::handleUpdated()
135 void SplineChartItem::handleUpdated()
137 {
136 {
138 setVisible(m_series->isVisible());
137 setVisible(m_series->isVisible());
139 m_pointsVisible = m_series->pointsVisible();
138 m_pointsVisible = m_series->pointsVisible();
140 m_linePen = m_series->pen();
139 m_linePen = m_series->pen();
141 m_pointPen = m_series->pen();
140 m_pointPen = m_series->pen();
142 m_pointPen.setWidthF(2*m_pointPen.width());
141 m_pointPen.setWidthF(2*m_pointPen.width());
143 update();
142 update();
144 }
143 }
145
144
146 //painter
145 //painter
147
146
148 void SplineChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
147 void SplineChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
149 {
148 {
150 Q_UNUSED(widget)
149 Q_UNUSED(widget)
151 Q_UNUSED(option)
150 Q_UNUSED(option)
152
151
153 painter->save();
152 painter->save();
154 painter->setClipRect(clipRect());
153 painter->setClipRect(clipRect());
155 painter->setPen(m_linePen);
154 painter->setPen(m_linePen);
156 painter->drawPath(m_path);
155 painter->drawPath(m_path);
157 if (m_pointsVisible) {
156 if (m_pointsVisible) {
158 painter->setPen(m_pointPen);
157 painter->setPen(m_pointPen);
159 painter->drawPoints(geometryPoints());
158 painter->drawPoints(geometryPoints());
160 }
159 }
161 painter->restore();
160 painter->restore();
162 }
161 }
163
162
164 void SplineChartItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
163 void SplineChartItem::mousePressEvent(QGraphicsSceneMouseEvent *event)
165 {
164 {
166 emit XYChart::clicked(calculateDomainPoint(event->pos()));
165 emit XYChart::clicked(calculateDomainPoint(event->pos()));
167 QGraphicsItem::mousePressEvent(event);
166 QGraphicsItem::mousePressEvent(event);
168 }
167 }
169
168
170 #include "moc_splinechartitem_p.cpp"
169 #include "moc_splinechartitem_p.cpp"
171
170
172 QTCOMMERCIALCHART_END_NAMESPACE
171 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -1,449 +1,448
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include "qxyseries.h"
21 #include "qxyseries.h"
22 #include "qxyseries_p.h"
22 #include "qxyseries_p.h"
23 #include "domain_p.h"
23 #include "domain_p.h"
24 #include "legendmarker_p.h"
24 #include "legendmarker_p.h"
25 #include "qvaluesaxis.h"
25 #include "qvaluesaxis.h"
26
26
27 QTCOMMERCIALCHART_BEGIN_NAMESPACE
27 QTCOMMERCIALCHART_BEGIN_NAMESPACE
28
28
29 /*!
29 /*!
30 \class QXYSeries
30 \class QXYSeries
31 \brief The QXYSeries class is a base class for line, spline and scatter series.
31 \brief The QXYSeries class is a base class for line, spline and scatter series.
32 */
32 */
33 /*!
33 /*!
34 \qmlclass XYSeries
34 \qmlclass XYSeries
35 \inherits AbstractSeries
35 \inherits AbstractSeries
36 The XYSeries class is a base class for line, spline and scatter series.
36 The XYSeries class is a base class for line, spline and scatter series.
37
37
38 The class cannot be instantiated directly.
38 The class cannot be instantiated directly.
39 */
39 */
40
40
41 /*!
41 /*!
42 \property QXYSeries::pointsVisible
42 \property QXYSeries::pointsVisible
43 Controls if the data points are visible and should be drawn.
43 Controls if the data points are visible and should be drawn.
44 */
44 */
45 /*!
45 /*!
46 \qmlproperty bool XYSeries::pointsVisible
46 \qmlproperty bool XYSeries::pointsVisible
47 Controls if the data points are visible and should be drawn.
47 Controls if the data points are visible and should be drawn.
48 */
48 */
49
49
50 /*!
50 /*!
51 \fn QPen QXYSeries::pen() const
51 \fn QPen QXYSeries::pen() const
52 \brief Returns pen used to draw points for series.
52 \brief Returns pen used to draw points for series.
53 \sa setPen()
53 \sa setPen()
54 */
54 */
55
55
56 /*!
56 /*!
57 \fn QBrush QXYSeries::brush() const
57 \fn QBrush QXYSeries::brush() const
58 \brief Returns brush used to draw points for series.
58 \brief Returns brush used to draw points for series.
59 \sa setBrush()
59 \sa setBrush()
60 */
60 */
61
61
62 /*!
62 /*!
63 \property QXYSeries::color
63 \property QXYSeries::color
64 The color of the series. This is line (pen) color in case of QLineSeries or QSplineSeries and
64 The color of the series. This is line (pen) color in case of QLineSeries or QSplineSeries and
65 fill (brush) color in case of QScatterSeries or QAreaSeries.
65 fill (brush) color in case of QScatterSeries or QAreaSeries.
66 \sa QXYSeries::pen(), QXYSeries::brush()
66 \sa QXYSeries::pen(), QXYSeries::brush()
67 */
67 */
68 /*!
68 /*!
69 \qmlproperty color XYSeries::color
69 \qmlproperty color XYSeries::color
70 The color of the series. This is line (pen) color in case of LineSeries or SplineSeries and
70 The color of the series. This is line (pen) color in case of LineSeries or SplineSeries and
71 fill (brush) color in case of ScatterSeries or AreaSeries.
71 fill (brush) color in case of ScatterSeries or AreaSeries.
72 */
72 */
73
73
74 /*!
74 /*!
75 \fn void QXYSeries::clicked(const QPointF& point)
75 \fn void QXYSeries::clicked(const QPointF& point)
76 \brief Signal is emitted when user clicks the \a point on chart.
76 \brief Signal is emitted when user clicks the \a point on chart.
77 */
77 */
78 /*!
78 /*!
79 \qmlsignal XYSeries::onClicked(QPointF point)
79 \qmlsignal XYSeries::onClicked(QPointF point)
80 Signal is emitted when user clicks the \a point on chart. For example:
80 Signal is emitted when user clicks the \a point on chart. For example:
81 \code
81 \code
82 LineSeries {
82 LineSeries {
83 XYPoint { x: 0; y: 0 }
83 XYPoint { x: 0; y: 0 }
84 XYPoint { x: 1.1; y: 2.1 }
84 XYPoint { x: 1.1; y: 2.1 }
85 onClicked: console.log("onClicked: " + point.x + ", " + point.y);
85 onClicked: console.log("onClicked: " + point.x + ", " + point.y);
86 }
86 }
87 \endcode
87 \endcode
88 */
88 */
89
89
90 /*!
90 /*!
91 \fn void QXYSeries::pointReplaced(int index)
91 \fn void QXYSeries::pointReplaced(int index)
92 Signal is emitted when a point has been replaced at \a index.
92 Signal is emitted when a point has been replaced at \a index.
93 \sa replace()
93 \sa replace()
94 */
94 */
95 /*!
95 /*!
96 \qmlsignal XYSeries::onPointReplaced(int index)
96 \qmlsignal XYSeries::onPointReplaced(int index)
97 Signal is emitted when a point has been replaced at \a index.
97 Signal is emitted when a point has been replaced at \a index.
98 */
98 */
99
99
100 /*!
100 /*!
101 \fn void QXYSeries::pointAdded(int index)
101 \fn void QXYSeries::pointAdded(int index)
102 Signal is emitted when a point has been added at \a index.
102 Signal is emitted when a point has been added at \a index.
103 \sa append(), insert()
103 \sa append(), insert()
104 */
104 */
105 /*!
105 /*!
106 \qmlsignal XYSeries::onPointAdded(int index)
106 \qmlsignal XYSeries::onPointAdded(int index)
107 Signal is emitted when a point has been added at \a index.
107 Signal is emitted when a point has been added at \a index.
108 */
108 */
109
109
110 /*!
110 /*!
111 \fn void QXYSeries::pointRemoved(int index)
111 \fn void QXYSeries::pointRemoved(int index)
112 Signal is emitted when a point has been removed from \a index.
112 Signal is emitted when a point has been removed from \a index.
113 \sa remove()
113 \sa remove()
114 */
114 */
115 /*!
115 /*!
116 \qmlsignal XYSeries::onPointRemoved(int index)
116 \qmlsignal XYSeries::onPointRemoved(int index)
117 Signal is emitted when a point has been removed from \a index.
117 Signal is emitted when a point has been removed from \a index.
118 */
118 */
119
119
120 /*!
120 /*!
121 \fn void QXYSeries::colorChanged(QColor color)
121 \fn void QXYSeries::colorChanged(QColor color)
122 \brief Signal is emitted when the line (pen) color has changed to \a color.
122 \brief Signal is emitted when the line (pen) color has changed to \a color.
123 */
123 */
124 /*!
124 /*!
125 \qmlsignal XYSeries::onColorChanged(color color)
125 \qmlsignal XYSeries::onColorChanged(color color)
126 Signal is emitted when the line (pen) color has changed to \a color.
126 Signal is emitted when the line (pen) color has changed to \a color.
127 */
127 */
128
128
129 /*!
129 /*!
130 \fn void QXYSeriesPrivate::updated()
130 \fn void QXYSeriesPrivate::updated()
131 \brief \internal
131 \brief \internal
132 */
132 */
133
133
134 /*!
134 /*!
135 \qmlmethod XYSeries::append(real x, real y)
135 \qmlmethod XYSeries::append(real x, real y)
136 Append point (\a x, \a y) to the series
136 Append point (\a x, \a y) to the series
137 */
137 */
138
138
139 /*!
139 /*!
140 \qmlmethod XYSeries::replace(real oldX, real oldY, real newX, real newY)
140 \qmlmethod XYSeries::replace(real oldX, real oldY, real newX, real newY)
141 Replaces point (\a oldX, \a oldY) with point (\a newX, \a newY). Does nothing, if point (oldX, oldY) does not
141 Replaces point (\a oldX, \a oldY) with point (\a newX, \a newY). Does nothing, if point (oldX, oldY) does not
142 exist.
142 exist.
143 */
143 */
144
144
145 /*!
145 /*!
146 \qmlmethod XYSeries::remove(real x, real y)
146 \qmlmethod XYSeries::remove(real x, real y)
147 Removes point (\a x, \a y) from the series. Does nothing, if point (x, y) does not exist.
147 Removes point (\a x, \a y) from the series. Does nothing, if point (x, y) does not exist.
148 */
148 */
149
149
150 /*!
150 /*!
151 \qmlmethod XYSeries::insert(int index, real x, real y)
151 \qmlmethod XYSeries::insert(int index, real x, real y)
152 Inserts point (\a x, \a y) to the \a index. If index is 0 or smaller than 0 the point is prepended to the list of
152 Inserts point (\a x, \a y) to the \a index. If index is 0 or smaller than 0 the point is prepended to the list of
153 points. If index is the same as or bigger than count, the point is appended to the list of points.
153 points. If index is the same as or bigger than count, the point is appended to the list of points.
154 */
154 */
155
155
156 /*!
156 /*!
157 \qmlmethod QPointF XYSeries::at(int index)
157 \qmlmethod QPointF XYSeries::at(int index)
158 Returns point at \a index. Returns (0, 0) if the index is not valid.
158 Returns point at \a index. Returns (0, 0) if the index is not valid.
159 */
159 */
160
160
161 /*!
161 /*!
162 \internal
162 \internal
163
163
164 Constructs empty series object which is a child of \a parent.
164 Constructs empty series object which is a child of \a parent.
165 When series object is added to QChartView or QChart instance ownerships is transferred.
165 When series object is added to QChartView or QChart instance ownerships is transferred.
166 */
166 */
167 QXYSeries::QXYSeries(QXYSeriesPrivate &d,QObject *parent) : QAbstractSeries(d, parent)
167 QXYSeries::QXYSeries(QXYSeriesPrivate &d,QObject *parent) : QAbstractSeries(d, parent)
168 {
168 {
169 }
169 }
170
170
171 /*!
171 /*!
172 Destroys the object. Series added to QChartView or QChart instances are owned by those,
172 Destroys the object. Series added to QChartView or QChart instances are owned by those,
173 and are deleted when mentioned object are destroyed.
173 and are deleted when mentioned object are destroyed.
174 */
174 */
175 QXYSeries::~QXYSeries()
175 QXYSeries::~QXYSeries()
176 {
176 {
177 }
177 }
178
178
179 /*!
179 /*!
180 Adds data point \a x \a y to the series. Points are connected with lines on the chart.
180 Adds data point \a x \a y to the series. Points are connected with lines on the chart.
181 */
181 */
182 void QXYSeries::append(qreal x,qreal y)
182 void QXYSeries::append(qreal x,qreal y)
183 {
183 {
184 append(QPointF(x,y));
184 append(QPointF(x,y));
185 }
185 }
186
186
187 /*!
187 /*!
188 This is an overloaded function.
188 This is an overloaded function.
189 Adds data \a point to the series. Points are connected with lines on the chart.
189 Adds data \a point to the series. Points are connected with lines on the chart.
190 */
190 */
191 void QXYSeries::append(const QPointF &point)
191 void QXYSeries::append(const QPointF &point)
192 {
192 {
193 Q_D(QXYSeries);
193 Q_D(QXYSeries);
194 d->m_points<<point;
194 d->m_points<<point;
195 // emit d->pointAdded(d->m_points.count()-1);
195 // emit d->pointAdded(d->m_points.count()-1);
196 emit pointAdded(d->m_points.count()-1);
196 emit pointAdded(d->m_points.count()-1);
197 }
197 }
198
198
199 /*!
199 /*!
200 This is an overloaded function.
200 This is an overloaded function.
201 Adds list of data \a points to the series. Points are connected with lines on the chart.
201 Adds list of data \a points to the series. Points are connected with lines on the chart.
202 */
202 */
203 void QXYSeries::append(const QList<QPointF> &points)
203 void QXYSeries::append(const QList<QPointF> &points)
204 {
204 {
205 foreach(const QPointF& point , points) {
205 foreach(const QPointF& point , points) {
206 append(point);
206 append(point);
207 }
207 }
208 }
208 }
209
209
210 /*!
210 /*!
211 Replaces data point \a oldX \a oldY with data point \a newX \a newY.
211 Replaces data point \a oldX \a oldY with data point \a newX \a newY.
212 */
212 */
213 void QXYSeries::replace(qreal oldX,qreal oldY,qreal newX,qreal newY)
213 void QXYSeries::replace(qreal oldX,qreal oldY,qreal newX,qreal newY)
214 {
214 {
215 replace(QPointF(oldX,oldY),QPointF(newX,newY));
215 replace(QPointF(oldX,oldY),QPointF(newX,newY));
216 }
216 }
217
217
218 /*!
218 /*!
219 Replaces \a oldPoint with \a newPoint.
219 Replaces \a oldPoint with \a newPoint.
220 */
220 */
221 void QXYSeries::replace(const QPointF &oldPoint,const QPointF &newPoint)
221 void QXYSeries::replace(const QPointF &oldPoint,const QPointF &newPoint)
222 {
222 {
223 Q_D(QXYSeries);
223 Q_D(QXYSeries);
224 int index = d->m_points.indexOf(oldPoint);
224 int index = d->m_points.indexOf(oldPoint);
225 if(index==-1) return;
225 if(index==-1) return;
226 d->m_points[index] = newPoint;
226 d->m_points[index] = newPoint;
227 // emit d->pointReplaced(index);
228 emit pointReplaced(index);
227 emit pointReplaced(index);
229 }
228 }
230
229
231 /*!
230 /*!
232 Removes current \a x and \a y value.
231 Removes current \a x and \a y value.
233 */
232 */
234 void QXYSeries::remove(qreal x,qreal y)
233 void QXYSeries::remove(qreal x,qreal y)
235 {
234 {
236 remove(QPointF(x,y));
235 remove(QPointF(x,y));
237 }
236 }
238
237
239 /*!
238 /*!
240 Removes current \a point x value.
239 Removes current \a point x value.
241
240
242 Note: point y value is ignored.
241 Note: point y value is ignored.
243 */
242 */
244 void QXYSeries::remove(const QPointF &point)
243 void QXYSeries::remove(const QPointF &point)
245 {
244 {
246 Q_D(QXYSeries);
245 Q_D(QXYSeries);
247 int index = d->m_points.indexOf(point);
246 int index = d->m_points.indexOf(point);
248 if(index==-1) return;
247 if(index==-1) return;
249 d->m_points.remove(index);
248 d->m_points.remove(index);
250 // emit d->pointRemoved(index);
249 // emit d->pointRemoved(index);
251 emit pointRemoved(index);
250 emit pointRemoved(index);
252 }
251 }
253
252
254 /*!
253 /*!
255 Inserts a \a point in the series at \a index position.
254 Inserts a \a point in the series at \a index position.
256 */
255 */
257 void QXYSeries::insert(int index, const QPointF &point)
256 void QXYSeries::insert(int index, const QPointF &point)
258 {
257 {
259 Q_D(QXYSeries);
258 Q_D(QXYSeries);
260 d->m_points.insert(index, point);
259 d->m_points.insert(index, point);
261 // emit d->pointAdded(index);
260 // emit d->pointAdded(index);
262 emit pointAdded(index);
261 emit pointAdded(index);
263 }
262 }
264
263
265 /*!
264 /*!
266 Removes all points from the series.
265 Removes all points from the series.
267 */
266 */
268 void QXYSeries::clear()
267 void QXYSeries::clear()
269 {
268 {
270 Q_D(QXYSeries);
269 Q_D(QXYSeries);
271 for (int i = d->m_points.size() - 1; i >= 0; i--)
270 for (int i = d->m_points.size() - 1; i >= 0; i--)
272 remove(d->m_points.at(i));
271 remove(d->m_points.at(i));
273 }
272 }
274
273
275 /*!
274 /*!
276 Returns list of points in the series.
275 Returns list of points in the series.
277 */
276 */
278 QList<QPointF> QXYSeries::points() const
277 QList<QPointF> QXYSeries::points() const
279 {
278 {
280 Q_D(const QXYSeries);
279 Q_D(const QXYSeries);
281 return d->m_points.toList();
280 return d->m_points.toList();
282 }
281 }
283
282
284 /*!
283 /*!
285 Returns number of data points within series.
284 Returns number of data points within series.
286 */
285 */
287 int QXYSeries::count() const
286 int QXYSeries::count() const
288 {
287 {
289 Q_D(const QXYSeries);
288 Q_D(const QXYSeries);
290 return d->m_points.count();
289 return d->m_points.count();
291 }
290 }
292
291
293
292
294 /*!
293 /*!
295 Sets \a pen used for drawing points on the chart. If the pen is not defined, the
294 Sets \a pen used for drawing points on the chart. If the pen is not defined, the
296 pen from chart theme is used.
295 pen from chart theme is used.
297 \sa QChart::setTheme()
296 \sa QChart::setTheme()
298 */
297 */
299 void QXYSeries::setPen(const QPen &pen)
298 void QXYSeries::setPen(const QPen &pen)
300 {
299 {
301 Q_D(QXYSeries);
300 Q_D(QXYSeries);
302 if (d->m_pen != pen) {
301 if (d->m_pen != pen) {
303 bool emitColorChanged = d->m_pen.color() != pen.color();
302 bool emitColorChanged = d->m_pen.color() != pen.color();
304 d->m_pen = pen;
303 d->m_pen = pen;
305 emit d->updated();
304 emit d->updated();
306 if (emitColorChanged)
305 if (emitColorChanged)
307 emit colorChanged(pen.color());
306 emit colorChanged(pen.color());
308 }
307 }
309 }
308 }
310
309
311 QPen QXYSeries::pen() const
310 QPen QXYSeries::pen() const
312 {
311 {
313 Q_D(const QXYSeries);
312 Q_D(const QXYSeries);
314 return d->m_pen;
313 return d->m_pen;
315 }
314 }
316
315
317 /*!
316 /*!
318 Sets \a brush used for drawing points on the chart. If the brush is not defined, brush
317 Sets \a brush used for drawing points on the chart. If the brush is not defined, brush
319 from chart theme setting is used.
318 from chart theme setting is used.
320 \sa QChart::setTheme()
319 \sa QChart::setTheme()
321 */
320 */
322 void QXYSeries::setBrush(const QBrush &brush)
321 void QXYSeries::setBrush(const QBrush &brush)
323 {
322 {
324 Q_D(QXYSeries);
323 Q_D(QXYSeries);
325 if (d->m_brush!=brush) {
324 if (d->m_brush!=brush) {
326 d->m_brush = brush;
325 d->m_brush = brush;
327 emit d->updated();
326 emit d->updated();
328 }
327 }
329 }
328 }
330
329
331 QBrush QXYSeries::brush() const
330 QBrush QXYSeries::brush() const
332 {
331 {
333 Q_D(const QXYSeries);
332 Q_D(const QXYSeries);
334 return d->m_brush;
333 return d->m_brush;
335 }
334 }
336
335
337 void QXYSeries::setColor(const QColor &color)
336 void QXYSeries::setColor(const QColor &color)
338 {
337 {
339 QPen p = pen();
338 QPen p = pen();
340 if (p.color() != color) {
339 if (p.color() != color) {
341 p.setColor(color);
340 p.setColor(color);
342 setPen(p);
341 setPen(p);
343 }
342 }
344 }
343 }
345
344
346 QColor QXYSeries::color() const
345 QColor QXYSeries::color() const
347 {
346 {
348 return pen().color();
347 return pen().color();
349 }
348 }
350
349
351 void QXYSeries::setPointsVisible(bool visible)
350 void QXYSeries::setPointsVisible(bool visible)
352 {
351 {
353 Q_D(QXYSeries);
352 Q_D(QXYSeries);
354 if (d->m_pointsVisible != visible){
353 if (d->m_pointsVisible != visible){
355 d->m_pointsVisible = visible;
354 d->m_pointsVisible = visible;
356 emit d->updated();
355 emit d->updated();
357 }
356 }
358 }
357 }
359
358
360 bool QXYSeries::pointsVisible() const
359 bool QXYSeries::pointsVisible() const
361 {
360 {
362 Q_D(const QXYSeries);
361 Q_D(const QXYSeries);
363 return d->m_pointsVisible;
362 return d->m_pointsVisible;
364 }
363 }
365
364
366
365
367 /*!
366 /*!
368 Stream operator for adding a data \a point to the series.
367 Stream operator for adding a data \a point to the series.
369 \sa append()
368 \sa append()
370 */
369 */
371 QXYSeries& QXYSeries::operator<< (const QPointF &point)
370 QXYSeries& QXYSeries::operator<< (const QPointF &point)
372 {
371 {
373 append(point);
372 append(point);
374 return *this;
373 return *this;
375 }
374 }
376
375
377
376
378 /*!
377 /*!
379 Stream operator for adding a list of \a points to the series.
378 Stream operator for adding a list of \a points to the series.
380 \sa append()
379 \sa append()
381 */
380 */
382
381
383 QXYSeries& QXYSeries::operator<< (const QList<QPointF>& points)
382 QXYSeries& QXYSeries::operator<< (const QList<QPointF>& points)
384 {
383 {
385 append(points);
384 append(points);
386 return *this;
385 return *this;
387 }
386 }
388
387
389 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
388 //////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
390
389
391
390
392 QXYSeriesPrivate::QXYSeriesPrivate(QXYSeries *q) :
391 QXYSeriesPrivate::QXYSeriesPrivate(QXYSeries *q) :
393 QAbstractSeriesPrivate(q),
392 QAbstractSeriesPrivate(q),
394 m_pointsVisible(false)
393 m_pointsVisible(false)
395 {
394 {
396 }
395 }
397
396
398 void QXYSeriesPrivate::scaleDomain(Domain& domain)
397 void QXYSeriesPrivate::scaleDomain(Domain& domain)
399 {
398 {
400 qreal minX(0);
399 qreal minX(0);
401 qreal minY(0);
400 qreal minY(0);
402 qreal maxX(1);
401 qreal maxX(1);
403 qreal maxY(1);
402 qreal maxY(1);
404
403
405 Q_Q(QXYSeries);
404 Q_Q(QXYSeries);
406
405
407 const QList<QPointF>& points = q->points();
406 const QList<QPointF>& points = q->points();
408
407
409 if (!points.isEmpty()){
408 if (!points.isEmpty()){
410 minX = points[0].x();
409 minX = points[0].x();
411 minY = points[0].y();
410 minY = points[0].y();
412 maxX = minX;
411 maxX = minX;
413 maxY = minY;
412 maxY = minY;
414
413
415 for (int i = 0; i < points.count(); i++) {
414 for (int i = 0; i < points.count(); i++) {
416 qreal x = points[i].x();
415 qreal x = points[i].x();
417 qreal y = points[i].y();
416 qreal y = points[i].y();
418 minX = qMin(minX, x);
417 minX = qMin(minX, x);
419 minY = qMin(minY, y);
418 minY = qMin(minY, y);
420 maxX = qMax(maxX, x);
419 maxX = qMax(maxX, x);
421 maxY = qMax(maxY, y);
420 maxY = qMax(maxY, y);
422 }
421 }
423 }
422 }
424
423
425 domain.setRange(minX,maxX,minY,maxY);
424 domain.setRange(minX,maxX,minY,maxY);
426 }
425 }
427
426
428 QList<LegendMarker*> QXYSeriesPrivate::createLegendMarker(QLegend* legend)
427 QList<LegendMarker*> QXYSeriesPrivate::createLegendMarker(QLegend* legend)
429 {
428 {
430 Q_Q(QXYSeries);
429 Q_Q(QXYSeries);
431 QList<LegendMarker*> list;
430 QList<LegendMarker*> list;
432 return list << new XYLegendMarker(q,legend);
431 return list << new XYLegendMarker(q,legend);
433 }
432 }
434
433
435 void QXYSeriesPrivate::initializeAxis(QAbstractAxis* axis)
434 void QXYSeriesPrivate::initializeAxis(QAbstractAxis* axis)
436 {
435 {
437 Q_UNUSED(axis);
436 Q_UNUSED(axis);
438 }
437 }
439
438
440 QAbstractAxis::AxisType QXYSeriesPrivate::defaultAxisType(Qt::Orientation orientation) const
439 QAbstractAxis::AxisType QXYSeriesPrivate::defaultAxisType(Qt::Orientation orientation) const
441 {
440 {
442 Q_UNUSED(orientation);
441 Q_UNUSED(orientation);
443 return QAbstractAxis::AxisTypeValues;
442 return QAbstractAxis::AxisTypeValues;
444 }
443 }
445
444
446 #include "moc_qxyseries.cpp"
445 #include "moc_qxyseries.cpp"
447 #include "moc_qxyseries_p.cpp"
446 #include "moc_qxyseries_p.cpp"
448
447
449 QTCOMMERCIALCHART_END_NAMESPACE
448 QTCOMMERCIALCHART_END_NAMESPACE
Show file before | Show file after | Hide comments
@@ -1,222 +1,219
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 #include "xychart_p.h"
21 #include "xychart_p.h"
22 #include "qxyseries.h"
22 #include "qxyseries.h"
23 #include "qxyseries_p.h"
23 #include "qxyseries_p.h"
24 #include "chartpresenter_p.h"
24 #include "chartpresenter_p.h"
25 #include "domain_p.h"
25 #include "domain_p.h"
26 #include "qxymodelmapper.h"
26 #include "qxymodelmapper.h"
27 #include <QPainter>
27 #include <QPainter>
28 #include <QAbstractItemModel>
28 #include <QAbstractItemModel>
29
29
30
30
31 QTCOMMERCIALCHART_BEGIN_NAMESPACE
31 QTCOMMERCIALCHART_BEGIN_NAMESPACE
32
32
33 //TODO: optimize : remove points which are not visible
33 //TODO: optimize : remove points which are not visible
34
34
35 XYChart::XYChart(QXYSeries *series, ChartPresenter *presenter):ChartElement(presenter),
35 XYChart::XYChart(QXYSeries *series, ChartPresenter *presenter):ChartElement(presenter),
36 m_minX(0),
36 m_minX(0),
37 m_maxX(0),
37 m_maxX(0),
38 m_minY(0),
38 m_minY(0),
39 m_maxY(0),
39 m_maxY(0),
40 m_series(series),
40 m_series(series),
41 m_animation(0),
41 m_animation(0),
42 m_dirty(true)
42 m_dirty(true)
43 {
43 {
44 // QObject::connect(series->d_func(),SIGNAL(pointReplaced(int)),this,SLOT(handlePointReplaced(int)));
45 // QObject::connect(series->d_func(),SIGNAL(pointAdded(int)),this,SLOT(handlePointAdded(int)));
46 // QObject::connect(series->d_func(),SIGNAL(pointRemoved(int)),this,SLOT(handlePointRemoved(int)));
47 QObject::connect(series, SIGNAL(pointReplaced(int)), this,SLOT(handlePointReplaced(int)));
44 QObject::connect(series, SIGNAL(pointReplaced(int)), this, SLOT(handlePointReplaced(int)));
48 QObject::connect(series, SIGNAL(pointAdded(int)), this,SLOT(handlePointAdded(int)));
45 QObject::connect(series, SIGNAL(pointAdded(int)), this, SLOT(handlePointAdded(int)));
49 QObject::connect(series, SIGNAL(pointRemoved(int)), this,SLOT(handlePointRemoved(int)));
46 QObject::connect(series, SIGNAL(pointRemoved(int)), this, SLOT(handlePointRemoved(int)));
50 QObject::connect(this, SIGNAL(clicked(QPointF)), series,SIGNAL(clicked(QPointF)));
47 QObject::connect(this, SIGNAL(clicked(QPointF)), series, SIGNAL(clicked(QPointF)));
51 }
48 }
52
49
53 void XYChart::setGeometryPoints(const QVector<QPointF>& points)
50 void XYChart::setGeometryPoints(const QVector<QPointF>& points)
54 {
51 {
55 m_points = points;
52 m_points = points;
56 }
53 }
57
54
58 void XYChart::setClipRect(const QRectF &rect)
55 void XYChart::setClipRect(const QRectF &rect)
59 {
56 {
60 m_clipRect = rect;
57 m_clipRect = rect;
61 }
58 }
62
59
63 void XYChart::setAnimation(XYAnimation* animation)
60 void XYChart::setAnimation(XYAnimation* animation)
64 {
61 {
65 m_animation=animation;
62 m_animation=animation;
66 }
63 }
67
64
68 void XYChart::setDirty(bool dirty)
65 void XYChart::setDirty(bool dirty)
69 {
66 {
70 m_dirty=dirty;
67 m_dirty=dirty;
71 }
68 }
72
69
73 QPointF XYChart::calculateGeometryPoint(const QPointF &point) const
70 QPointF XYChart::calculateGeometryPoint(const QPointF &point) const
74 {
71 {
75 const qreal deltaX = m_size.width()/(m_maxX-m_minX);
72 const qreal deltaX = m_size.width()/(m_maxX-m_minX);
76 const qreal deltaY = m_size.height()/(m_maxY-m_minY);
73 const qreal deltaY = m_size.height()/(m_maxY-m_minY);
77 qreal x = (point.x() - m_minX)* deltaX;
74 qreal x = (point.x() - m_minX)* deltaX;
78 qreal y = (point.y() - m_minY)*-deltaY + m_size.height();
75 qreal y = (point.y() - m_minY)*-deltaY + m_size.height();
79 return QPointF(x,y);
76 return QPointF(x,y);
80 }
77 }
81
78
82 QPointF XYChart::calculateGeometryPoint(int index) const
79 QPointF XYChart::calculateGeometryPoint(int index) const
83 {
80 {
84 const qreal deltaX = m_size.width()/(m_maxX-m_minX);
81 const qreal deltaX = m_size.width()/(m_maxX-m_minX);
85 const qreal deltaY = m_size.height()/(m_maxY-m_minY);
82 const qreal deltaY = m_size.height()/(m_maxY-m_minY);
86 const QList<QPointF>& vector = m_series->points();
83 const QList<QPointF>& vector = m_series->points();
87 qreal x = (vector[index].x() - m_minX)* deltaX;
84 qreal x = (vector[index].x() - m_minX)* deltaX;
88 qreal y = (vector[index].y() - m_minY)*-deltaY + m_size.height();
85 qreal y = (vector[index].y() - m_minY)*-deltaY + m_size.height();
89 return QPointF(x,y);
86 return QPointF(x,y);
90 }
87 }
91
88
92 QVector<QPointF> XYChart::calculateGeometryPoints() const
89 QVector<QPointF> XYChart::calculateGeometryPoints() const
93 {
90 {
94 const qreal deltaX = m_size.width()/(m_maxX-m_minX);
91 const qreal deltaX = m_size.width()/(m_maxX-m_minX);
95 const qreal deltaY = m_size.height()/(m_maxY-m_minY);
92 const qreal deltaY = m_size.height()/(m_maxY-m_minY);
96
93
97 QVector<QPointF> result;
94 QVector<QPointF> result;
98 result.resize(m_series->count());
95 result.resize(m_series->count());
99 const QList<QPointF>& vector = m_series->points();
96 const QList<QPointF>& vector = m_series->points();
100 for (int i = 0; i < m_series->count(); ++i) {
97 for (int i = 0; i < m_series->count(); ++i) {
101 qreal x = (vector[i].x() - m_minX)* deltaX;
98 qreal x = (vector[i].x() - m_minX)* deltaX;
102 qreal y = (vector[i].y() - m_minY)*-deltaY + m_size.height();
99 qreal y = (vector[i].y() - m_minY)*-deltaY + m_size.height();
103 result[i].setX(x);
100 result[i].setX(x);
104 result[i].setY(y);
101 result[i].setY(y);
105 }
102 }
106 return result;
103 return result;
107 }
104 }
108
105
109 QPointF XYChart::calculateDomainPoint(const QPointF &point) const
106 QPointF XYChart::calculateDomainPoint(const QPointF &point) const
110 {
107 {
111 const qreal deltaX = m_size.width()/(m_maxX-m_minX);
108 const qreal deltaX = m_size.width()/(m_maxX-m_minX);
112 const qreal deltaY = m_size.height()/(m_maxY-m_minY);
109 const qreal deltaY = m_size.height()/(m_maxY-m_minY);
113 qreal x = point.x()/deltaX +m_minX;
110 qreal x = point.x()/deltaX +m_minX;
114 qreal y = (point.y()-m_size.height())/(-deltaY)+ m_minY;
111 qreal y = (point.y()-m_size.height())/(-deltaY)+ m_minY;
115 return QPointF(x,y);
112 return QPointF(x,y);
116 }
113 }
117
114
118 void XYChart::updateChart(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints,int index)
115 void XYChart::updateChart(QVector<QPointF> &oldPoints, QVector<QPointF> &newPoints,int index)
119 {
116 {
120
117
121 if (m_animation) {
118 if (m_animation) {
122 m_animation->setup(oldPoints, newPoints, index);
119 m_animation->setup(oldPoints, newPoints, index);
123 setGeometryPoints(newPoints);
120 m_points = newPoints;
124 setDirty(false);
121 setDirty(false);
125 presenter()->startAnimation(m_animation);
122 presenter()->startAnimation(m_animation);
126 }
123 }
127 else {
124 else {
128 setGeometryPoints(newPoints);
125 m_points = newPoints;
129 updateGeometry();
126 updateGeometry();
130 }
127 }
131 }
128 }
132
129
133 //handlers
130 //handlers
134
131
135 void XYChart::handlePointAdded(int index)
132 void XYChart::handlePointAdded(int index)
136 {
133 {
137 Q_ASSERT(index<m_series->count());
134 Q_ASSERT(index<m_series->count());
138 Q_ASSERT(index>=0);
135 Q_ASSERT(index>=0);
139
136
140 QVector<QPointF> points;
137 QVector<QPointF> points;
141
138
142 if(m_dirty) {
139 if(m_dirty) {
143 points = calculateGeometryPoints();
140 points = calculateGeometryPoints();
144 } else {
141 } else {
145 points = m_points;
142 points = m_points;
146 QPointF point = calculateGeometryPoint(index);
143 QPointF point = calculateGeometryPoint(index);
147 points.insert(index, point);
144 points.insert(index, point);
148 }
145 }
149
146
150 updateChart(m_points,points,index);
147 updateChart(m_points,points,index);
151 }
148 }
152
149
153 void XYChart::handlePointRemoved(int index)
150 void XYChart::handlePointRemoved(int index)
154 {
151 {
155 Q_ASSERT(index<=m_series->count());
152 Q_ASSERT(index<=m_series->count());
156 Q_ASSERT(index>=0);
153 Q_ASSERT(index>=0);
157
154
158 QVector<QPointF> points;
155 QVector<QPointF> points;
159
156
160 if(m_dirty) {
157 if(m_dirty) {
161 points = calculateGeometryPoints();
158 points = calculateGeometryPoints();
162 } else {
159 } else {
163 points = m_points;
160 points = m_points;
164 points.remove(index);
161 points.remove(index);
165 }
162 }
166
163
167 updateChart(m_points,points,index);
164 updateChart(m_points,points,index);
168 }
165 }
169
166
170 void XYChart::handlePointReplaced(int index)
167 void XYChart::handlePointReplaced(int index)
171 {
168 {
172 Q_ASSERT(index<m_series->count());
169 Q_ASSERT(index<m_series->count());
173 Q_ASSERT(index>=0);
170 Q_ASSERT(index>=0);
174
171
175 QVector<QPointF> points;
172 QVector<QPointF> points;
176
173
177 if(m_dirty) {
174 if(m_dirty) {
178 points = calculateGeometryPoints();
175 points = calculateGeometryPoints();
179 } else {
176 } else {
180 QPointF point = calculateGeometryPoint(index);
177 QPointF point = calculateGeometryPoint(index);
181 points = m_points;
178 points = m_points;
182 points.replace(index,point);
179 points.replace(index,point);
183 }
180 }
184
181
185 updateChart(m_points,points,index);
182 updateChart(m_points,points,index);
186 }
183 }
187
184
188 void XYChart::handleDomainUpdated()
185 void XYChart::handleDomainUpdated()
189 {
186 {
190 m_minX=domain()->minX();
187 m_minX=domain()->minX();
191 m_maxX=domain()->maxX();
188 m_maxX=domain()->maxX();
192 m_minY=domain()->minY();
189 m_minY=domain()->minY();
193 m_maxY=domain()->maxY();
190 m_maxY=domain()->maxY();
194 if (isEmpty()) return;
191 if (isEmpty()) return;
195
192
196 QVector<QPointF> points = calculateGeometryPoints();
193 QVector<QPointF> points = calculateGeometryPoints();
197
194
198 updateChart(m_points,points);
195 updateChart(m_points,points);
199 }
196 }
200
197
201 void XYChart::handleGeometryChanged(const QRectF &rect)
198 void XYChart::handleGeometryChanged(const QRectF &rect)
202 {
199 {
203 Q_ASSERT(rect.isValid());
200 Q_ASSERT(rect.isValid());
204 m_size=rect.size();
201 m_size=rect.size();
205 m_clipRect=rect.translated(-rect.topLeft());
202 m_clipRect=rect.translated(-rect.topLeft());
206 m_origin=rect.topLeft();
203 m_origin=rect.topLeft();
207
204
208 if (isEmpty()) return;
205 if (isEmpty()) return;
209
206
210 QVector<QPointF> points = calculateGeometryPoints();
207 QVector<QPointF> points = calculateGeometryPoints();
211
208
212 updateChart(m_points,points);
209 updateChart(m_points,points);
213 }
210 }
214
211
215 bool XYChart::isEmpty()
212 bool XYChart::isEmpty()
216 {
213 {
217 return !m_clipRect.isValid() || qFuzzyIsNull(m_maxX - m_minX) || qFuzzyIsNull(m_maxY - m_minY) || m_series->points().isEmpty();
214 return !m_clipRect.isValid() || qFuzzyIsNull(m_maxX - m_minX) || qFuzzyIsNull(m_maxY - m_minY) || m_series->points().isEmpty();
218 }
215 }
219
216
220 #include "moc_xychart_p.cpp"
217 #include "moc_xychart_p.cpp"
221
218
222 QTCOMMERCIALCHART_END_NAMESPACE
219 QTCOMMERCIALCHART_END_NAMESPACE
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@@ -1,106 +1,106
1 /****************************************************************************
1 /****************************************************************************
2 **
2 **
3 ** Copyright (C) 2012 Digia Plc
3 ** Copyright (C) 2012 Digia Plc
4 ** All rights reserved.
4 ** All rights reserved.
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
5 ** For any questions to Digia, please use contact form at http://qt.digia.com
6 **
6 **
7 ** This file is part of the Qt Commercial Charts Add-on.
7 ** This file is part of the Qt Commercial Charts Add-on.
8 **
8 **
9 ** $QT_BEGIN_LICENSE$
9 ** $QT_BEGIN_LICENSE$
10 ** Licensees holding valid Qt Commercial licenses may use this file in
10 ** Licensees holding valid Qt Commercial licenses may use this file in
11 ** accordance with the Qt Commercial License Agreement provided with the
11 ** accordance with the Qt Commercial License Agreement provided with the
12 ** Software or, alternatively, in accordance with the terms contained in
12 ** Software or, alternatively, in accordance with the terms contained in
13 ** a written agreement between you and Digia.
13 ** a written agreement between you and Digia.
14 **
14 **
15 ** If you have questions regarding the use of this file, please use
15 ** If you have questions regarding the use of this file, please use
16 ** contact form at http://qt.digia.com
16 ** contact form at http://qt.digia.com
17 ** $QT_END_LICENSE$
17 ** $QT_END_LICENSE$
18 **
18 **
19 ****************************************************************************/
19 ****************************************************************************/
20
20
21 // W A R N I N G
21 // W A R N I N G
22 // -------------
22 // -------------
23 //
23 //
24 // This file is not part of the QtCommercial Chart API. It exists purely as an
24 // This file is not part of the QtCommercial Chart API. It exists purely as an
25 // implementation detail. This header file may change from version to
25 // implementation detail. This header file may change from version to
26 // version without notice, or even be removed.
26 // version without notice, or even be removed.
27 //
27 //
28 // We mean it.
28 // We mean it.
29
29
30 #ifndef XYCHARTITEM_H
30 #ifndef XYCHARTITEM_H
31 #define XYCHARTITEM_H
31 #define XYCHARTITEM_H
32
32
33 #include "qchartglobal.h"
33 #include "qchartglobal.h"
34 #include "chartitem_p.h"
34 #include "chartitem_p.h"
35 #include "xyanimation_p.h"
35 #include "xyanimation_p.h"
36 #include "qvaluesaxis.h"
36 #include "qvaluesaxis.h"
37 #include <QPen>
37 #include <QPen>
38
38
39 QTCOMMERCIALCHART_BEGIN_NAMESPACE
39 QTCOMMERCIALCHART_BEGIN_NAMESPACE
40
40
41 class ChartPresenter;
41 class ChartPresenter;
42 class QXYSeries;
42 class QXYSeries;
43
43
44 class XYChart : public ChartElement
44 class XYChart : public ChartElement
45 {
45 {
46 Q_OBJECT
46 Q_OBJECT
47 public:
47 public:
48 explicit XYChart(QXYSeries *series, ChartPresenter *presenter);
48 explicit XYChart(QXYSeries *series, ChartPresenter *presenter);
49 ~XYChart(){};
49 ~XYChart() {}
50
50
51 void setGeometryPoints(const QVector<QPointF>& points);
51 void setGeometryPoints(const QVector<QPointF>& points);
52 QVector<QPointF> geometryPoints() const { return m_points; }
52 QVector<QPointF> geometryPoints() const { return m_points; }
53
53
54 void setClipRect(const QRectF &rect);
54 void setClipRect(const QRectF &rect);
55 QRectF clipRect() const { return m_clipRect; }
55 QRectF clipRect() const { return m_clipRect; }
56
56
57 QSizeF size() const { return m_size; }
57 QSizeF size() const { return m_size; }
58 QPointF origin() const { return m_origin; }
58 QPointF origin() const { return m_origin; }
59
59
60 void setAnimation(XYAnimation* animation);
60 void setAnimation(XYAnimation* animation);
61 ChartAnimation* animation() const { return m_animation; }
61 ChartAnimation* animation() const { return m_animation; }
62 virtual void updateGeometry() = 0;
62 virtual void updateGeometry() = 0;
63
63
64 bool isDirty() const { return m_dirty; }
64 bool isDirty() const { return m_dirty; }
65 void setDirty(bool dirty);
65 void setDirty(bool dirty);
66
66
67 public Q_SLOTS:
67 public Q_SLOTS:
68 void handlePointAdded(int index);
68 void handlePointAdded(int index);
69 void handlePointRemoved(int index);
69 void handlePointRemoved(int index);
70 void handlePointReplaced(int index);
70 void handlePointReplaced(int index);
71 void handleDomainUpdated();
71 void handleDomainUpdated();
72 void handleGeometryChanged(const QRectF &size);
72 void handleGeometryChanged(const QRectF &size);
73
73
74 Q_SIGNALS:
74 Q_SIGNALS:
75 void clicked(const QPointF& point);
75 void clicked(const QPointF& point);
76
76
77 protected:
77 protected:
78 virtual void updateChart(QVector<QPointF> &oldPoints,QVector<QPointF> &newPoints,int index = -1);
78 virtual void updateChart(QVector<QPointF> &oldPoints,QVector<QPointF> &newPoints,int index = -1);
79 QPointF calculateGeometryPoint(const QPointF &point) const;
79 QPointF calculateGeometryPoint(const QPointF &point) const;
80 QPointF calculateGeometryPoint(int index) const;
80 QPointF calculateGeometryPoint(int index) const;
81 QPointF calculateDomainPoint(const QPointF &point) const;
81 QPointF calculateDomainPoint(const QPointF &point) const;
82 QVector<QPointF> calculateGeometryPoints() const;
82 QVector<QPointF> calculateGeometryPoints() const;
83
83
84 private:
84 private:
85 inline bool isEmpty();
85 inline bool isEmpty();
86
86
87 private:
87 protected:
88 qreal m_minX;
88 qreal m_minX;
89 qreal m_maxX;
89 qreal m_maxX;
90 qreal m_minY;
90 qreal m_minY;
91 qreal m_maxY;
91 qreal m_maxY;
92 QXYSeries* m_series;
92 QXYSeries* m_series;
93 QSizeF m_size;
93 QSizeF m_size;
94 QPointF m_origin;
94 QPointF m_origin;
95 QRectF m_clipRect;
95 QRectF m_clipRect;
96 QVector<QPointF> m_points;
96 QVector<QPointF> m_points;
97 XYAnimation* m_animation;
97 XYAnimation* m_animation;
98 bool m_dirty;
98 bool m_dirty;
99
99
100 friend class AreaChartItem;
100 friend class AreaChartItem;
101
101
102 };
102 };
103
103
104 QTCOMMERCIALCHART_END_NAMESPACE
104 QTCOMMERCIALCHART_END_NAMESPACE
105
105
106 #endif
106 #endif
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