@@ -0,0 +1,15 | |||||
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1 | !include( ../../common.pri ) { | |||
|
2 | error( "Couldn't find the common.pri file!" ) | |||
|
3 | } | |||
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4 | ||||
|
5 | !include( ../../integrated.pri ) { | |||
|
6 | error( "Couldn't find the integrated.pri file !") | |||
|
7 | } | |||
|
8 | ||||
|
9 | TARGET = colorlineChart | |||
|
10 | TEMPLATE = app | |||
|
11 | QT += core gui | |||
|
12 | SOURCES += main.cpp | |||
|
13 | ||||
|
14 | ||||
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15 |
@@ -0,0 +1,40 | |||||
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1 | #include <QApplication> | |||
|
2 | #include <QMainWindow> | |||
|
3 | #include <qchartview.h> | |||
|
4 | #include <qxychartseries.h> | |||
|
5 | #include <qchart.h> | |||
|
6 | #include <cmath> | |||
|
7 | ||||
|
8 | QTCOMMERCIALCHART_USE_NAMESPACE | |||
|
9 | ||||
|
10 | #define PI 3.14159265358979 | |||
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11 | ||||
|
12 | int main(int argc, char *argv[]) | |||
|
13 | { | |||
|
14 | QApplication a(argc, argv); | |||
|
15 | ||||
|
16 | QMainWindow window; | |||
|
17 | ||||
|
18 | QXYChartSeries* series0 = QXYChartSeries::create(); | |||
|
19 | series0->setColor(Qt::blue); | |||
|
20 | QXYChartSeries* series1 = QXYChartSeries::create(); | |||
|
21 | series1->setColor(Qt::red); | |||
|
22 | ||||
|
23 | int numPoints = 100; | |||
|
24 | ||||
|
25 | for (int x = 0; x <= numPoints; ++x) { | |||
|
26 | series0->add(x, abs(sin(PI/50*x)*100)); | |||
|
27 | series1->add(x, abs(cos(PI/50*x)*100)); | |||
|
28 | } | |||
|
29 | ||||
|
30 | QChartView* chartView = new QChartView(&window); | |||
|
31 | chartView->addSeries(series0); | |||
|
32 | chartView->addSeries(series1); | |||
|
33 | chartView->setBackgroundColor(Qt::yellow); | |||
|
34 | ||||
|
35 | window.setCentralWidget(chartView); | |||
|
36 | window.resize(400, 300); | |||
|
37 | window.show(); | |||
|
38 | ||||
|
39 | return a.exec(); | |||
|
40 | } |
@@ -0,0 +1,63 | |||||
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1 | #include "chartwidget.h" | |||
|
2 | #include <QMouseEvent> | |||
|
3 | ||||
|
4 | ChartWidget::ChartWidget(QWidget *parent) | |||
|
5 | : QChartView(parent), | |||
|
6 | m_rubberBand(QRubberBand::Rectangle,this) | |||
|
7 | { | |||
|
8 | } | |||
|
9 | ||||
|
10 | void ChartWidget::mousePressEvent(QMouseEvent *event) | |||
|
11 | { | |||
|
12 | if(event->button()!=Qt::LeftButton) return; | |||
|
13 | ||||
|
14 | int margin = this->margin(); | |||
|
15 | ||||
|
16 | QRect rect(margin,margin,width()-2*margin,height()-2*margin); | |||
|
17 | ||||
|
18 | m_origin = event->pos(); | |||
|
19 | ||||
|
20 | if (!rect.contains(m_origin)) return; | |||
|
21 | ||||
|
22 | m_rubberBand.setGeometry(QRect(m_origin, QSize())); | |||
|
23 | m_rubberBand.show(); | |||
|
24 | ||||
|
25 | event->accept(); | |||
|
26 | } | |||
|
27 | ||||
|
28 | void ChartWidget::mouseMoveEvent(QMouseEvent *event) | |||
|
29 | { | |||
|
30 | if(m_rubberBand.isVisible()) | |||
|
31 | m_rubberBand.setGeometry(QRect(m_origin, event->pos()).normalized()); | |||
|
32 | } | |||
|
33 | ||||
|
34 | void ChartWidget::mouseReleaseEvent(QMouseEvent *event) | |||
|
35 | { | |||
|
36 | if( event->button()==Qt::LeftButton && m_rubberBand.isVisible()) { | |||
|
37 | m_rubberBand.hide(); | |||
|
38 | ||||
|
39 | QRect rect = m_rubberBand.geometry(); | |||
|
40 | zoomInToRect(rect); | |||
|
41 | event->accept(); | |||
|
42 | } | |||
|
43 | ||||
|
44 | if(event->button()==Qt::RightButton) { | |||
|
45 | zoomOut(); | |||
|
46 | } | |||
|
47 | } | |||
|
48 | ||||
|
49 | ||||
|
50 | void ChartWidget::keyPressEvent(QKeyEvent *event) | |||
|
51 | { | |||
|
52 | switch (event->key()) { | |||
|
53 | case Qt::Key_Plus: | |||
|
54 | zoomIn(); | |||
|
55 | break; | |||
|
56 | case Qt::Key_Minus: | |||
|
57 | zoomOut(); | |||
|
58 | break; | |||
|
59 | default: | |||
|
60 | QGraphicsView::keyPressEvent(event); | |||
|
61 | break; | |||
|
62 | } | |||
|
63 | } |
@@ -0,0 +1,28 | |||||
|
1 | #ifndef CHARTWIDGET_H | |||
|
2 | #define CHARTWIDGET_H | |||
|
3 | #include <qchartview.h> | |||
|
4 | #include <QRubberBand> | |||
|
5 | ||||
|
6 | QTCOMMERCIALCHART_USE_NAMESPACE | |||
|
7 | ||||
|
8 | class ChartWidget : public QChartView | |||
|
9 | { | |||
|
10 | Q_OBJECT | |||
|
11 | ||||
|
12 | public: | |||
|
13 | ChartWidget(QWidget *parent = 0); | |||
|
14 | ||||
|
15 | protected: | |||
|
16 | void mousePressEvent(QMouseEvent *event); | |||
|
17 | void mouseMoveEvent(QMouseEvent *event); | |||
|
18 | void mouseReleaseEvent(QMouseEvent *event); | |||
|
19 | void keyPressEvent(QKeyEvent *event); | |||
|
20 | ||||
|
21 | private: | |||
|
22 | bool rubberBandIsShown; | |||
|
23 | QRubberBand m_rubberBand; | |||
|
24 | QPoint m_origin; | |||
|
25 | ||||
|
26 | }; | |||
|
27 | ||||
|
28 | #endif |
@@ -0,0 +1,38 | |||||
|
1 | #include "chartwidget.h" | |||
|
2 | #include <QApplication> | |||
|
3 | #include <QMainWindow> | |||
|
4 | #include <qxychartseries.h> | |||
|
5 | #include <cmath> | |||
|
6 | ||||
|
7 | QTCOMMERCIALCHART_USE_NAMESPACE | |||
|
8 | ||||
|
9 | #define PI 3.14159265358979 | |||
|
10 | ||||
|
11 | int main(int argc, char *argv[]) | |||
|
12 | { | |||
|
13 | QApplication a(argc, argv); | |||
|
14 | ||||
|
15 | QMainWindow window; | |||
|
16 | ||||
|
17 | QXYChartSeries* series0 = QXYChartSeries::create(); | |||
|
18 | series0->setColor(Qt::blue); | |||
|
19 | QXYChartSeries* series1 = QXYChartSeries::create(); | |||
|
20 | series1->setColor(Qt::red); | |||
|
21 | ||||
|
22 | int numPoints = 100; | |||
|
23 | ||||
|
24 | for (int x = 0; x <= numPoints; ++x) { | |||
|
25 | series0->add(x, abs(sin(PI/50*x)*100)); | |||
|
26 | series1->add(x, abs(cos(PI/50*x)*100)); | |||
|
27 | } | |||
|
28 | ||||
|
29 | ChartWidget* chartWidget = new ChartWidget(&window); | |||
|
30 | chartWidget->addSeries(series0); | |||
|
31 | chartWidget->addSeries(series1); | |||
|
32 | ||||
|
33 | window.setCentralWidget(chartWidget); | |||
|
34 | window.resize(400, 300); | |||
|
35 | window.show(); | |||
|
36 | ||||
|
37 | return a.exec(); | |||
|
38 | } |
@@ -0,0 +1,17 | |||||
|
1 | !include( ../../common.pri ) { | |||
|
2 | error( "Couldn't find the common.pri file!" ) | |||
|
3 | } | |||
|
4 | ||||
|
5 | !include( ../../integrated.pri ) { | |||
|
6 | error( "Couldn't find the integrated.pri file !") | |||
|
7 | } | |||
|
8 | ||||
|
9 | TARGET = zoomLineChart | |||
|
10 | TEMPLATE = app | |||
|
11 | QT += core gui | |||
|
12 | HEADERS += chartwidget.h | |||
|
13 | SOURCES += main.cpp chartwidget.cpp | |||
|
14 | ||||
|
15 | ||||
|
16 | ||||
|
17 |
@@ -0,0 +1,40 | |||||
|
1 | #ifndef AXISITEM_H_ | |||
|
2 | #define AXISITEM_H_ | |||
|
3 | ||||
|
4 | #include "chartitem_p.h" | |||
|
5 | #include "plotdomain_p.h" | |||
|
6 | #include <QGraphicsItem> | |||
|
7 | ||||
|
8 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |||
|
9 | ||||
|
10 | class AxisItem: public ChartItem | |||
|
11 | { | |||
|
12 | public: | |||
|
13 | enum AxisType{X_AXIS,Y_AXIS}; | |||
|
14 | ||||
|
15 | AxisItem(AxisType type = X_AXIS,QGraphicsItem* parent = 0); | |||
|
16 | ~AxisItem(); | |||
|
17 | ||||
|
18 | //from QGraphicsItem | |||
|
19 | QRectF boundingRect() const; | |||
|
20 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); | |||
|
21 | ||||
|
22 | //from ChartItem | |||
|
23 | void setSize(const QSize& size); | |||
|
24 | void setPlotDomain(const PlotDomain& data); | |||
|
25 | ||||
|
26 | void setLength(int length); | |||
|
27 | void setWidth(int width); | |||
|
28 | AxisType axisType() const {return m_type;}; | |||
|
29 | ||||
|
30 | private: | |||
|
31 | QRectF m_rect; | |||
|
32 | int m_ticks; | |||
|
33 | PlotDomain m_plotDomain; | |||
|
34 | QPainterPath m_path; | |||
|
35 | AxisType m_type; | |||
|
36 | }; | |||
|
37 | ||||
|
38 | QTCOMMERCIALCHART_END_NAMESPACE | |||
|
39 | ||||
|
40 | #endif /* AXISITEM_H_ */ |
@@ -0,0 +1,22 | |||||
|
1 | #ifndef CHARTITEM_H_ | |||
|
2 | #define CHARTITEM_H_ | |||
|
3 | ||||
|
4 | #include "plotdomain_p.h" | |||
|
5 | #include <QGraphicsItem> | |||
|
6 | ||||
|
7 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |||
|
8 | ||||
|
9 | class ChartItem : public QGraphicsItem | |||
|
10 | { | |||
|
11 | enum ChartItemTypes{ AXIS_ITEM = UserType+1, XYLINE_ITEM}; | |||
|
12 | public: | |||
|
13 | ChartItem(QGraphicsItem* parent = 0):QGraphicsItem(parent){}; | |||
|
14 | virtual ~ChartItem(){}; | |||
|
15 | ||||
|
16 | virtual void setSize(const QSize& size) = 0; | |||
|
17 | virtual void setPlotDomain(const PlotDomain& data) = 0; | |||
|
18 | }; | |||
|
19 | ||||
|
20 | QTCOMMERCIALCHART_END_NAMESPACE | |||
|
21 | ||||
|
22 | #endif /* CHARTITEM_H_ */ |
@@ -1,2 +1,4 | |||||
1 | TEMPLATE = subdirs |
|
1 | TEMPLATE = subdirs | |
2 | SUBDIRS += linechart |
|
2 | SUBDIRS += linechart \ | |
|
3 | zoomlinechart \ | |||
|
4 | colorlinechart |
@@ -19,33 +19,17 int main(int argc, char *argv[]) | |||||
19 | series0->setColor(Qt::blue); |
|
19 | series0->setColor(Qt::blue); | |
20 | QXYChartSeries* series1 = QXYChartSeries::create(); |
|
20 | QXYChartSeries* series1 = QXYChartSeries::create(); | |
21 | series1->setColor(Qt::red); |
|
21 | series1->setColor(Qt::red); | |
22 | QXYChartSeries* series2 = QXYChartSeries::create(); |
|
|||
23 | series2->setColor(Qt::gray); |
|
|||
24 | QXYChartSeries* series3 = QXYChartSeries::create(); |
|
|||
25 | series3->setColor(Qt::green); |
|
|||
26 |
|
22 | |||
27 | int numPoints = 100; |
|
23 | int numPoints = 100; | |
28 |
|
24 | |||
29 | for (int x = 0; x < numPoints; ++x) { |
|
25 | for (int x = 0; x <= numPoints; ++x) { | |
30 | series0->add(x,0); |
|
26 | series0->add(x, abs(sin(PI/50*x)*100)); | |
31 |
series1->add(x, abs(s |
|
27 | series1->add(x, abs(cos(PI/50*x)*100)); | |
32 | series2->add(x, abs(cos(PI/50*x)*100)); |
|
|||
33 | series3->add(x,100); |
|
|||
34 |
|
|
28 | } | |
35 |
|
29 | |||
36 | QList<QXYChartSeries*> dataset; |
|
|||
37 |
|
||||
38 | //qDebug()<<"Series 1:" << *series1; |
|
|||
39 | //qDebug()<<"Series 2:" << *series2; |
|
|||
40 |
|
||||
41 | dataset << series0; |
|
|||
42 | dataset << series1; |
|
|||
43 | dataset << series2; |
|
|||
44 | dataset << series3; |
|
|||
45 |
|
||||
46 | QChartView* chartView = new QChartView(&window); |
|
30 | QChartView* chartView = new QChartView(&window); | |
|
31 | chartView->addSeries(series0); | |||
47 | chartView->addSeries(series1); |
|
32 | chartView->addSeries(series1); | |
48 | chartView->addSeries(series2); |
|
|||
49 |
|
33 | |||
50 | window.setCentralWidget(chartView); |
|
34 | window.setCentralWidget(chartView); | |
51 | window.resize(400, 300); |
|
35 | window.resize(400, 300); |
@@ -1,47 +1,63 | |||||
1 |
#include " |
|
1 | #include "axisitem_p.h" | |
2 | #include <QPainter> |
|
2 | #include <QPainter> | |
3 | #include <QDebug> |
|
3 | #include <QDebug> | |
4 |
|
4 | |||
5 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
5 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
6 |
|
6 | |||
7 |
|
|
7 | AxisItem::AxisItem(AxisType type,QGraphicsItem* parent): ChartItem(parent), | |
|
8 | m_ticks(4), | |||
|
9 | m_type(type) | |||
8 | { |
|
10 | { | |
9 | } |
|
11 | } | |
10 |
|
12 | |||
11 | XYGrid::~XYGrid() |
|
13 | AxisItem::~AxisItem() | |
12 | { |
|
14 | { | |
13 | // TODO Auto-generated destructor stub |
|
|||
14 | } |
|
15 | } | |
15 |
|
16 | |||
16 |
void |
|
17 | void AxisItem::setSize(const QSize& size) | |
17 | { |
|
18 | { | |
18 | m_rect.setSize(size.toSize()); |
|
19 | m_rect = QRectF(QPoint(0,0),size); | |
19 | } |
|
20 | } | |
20 |
|
21 | |||
21 | void XYGrid::setXYPlotData(const XYPlotDomain& xyPlotData) |
|
22 | void AxisItem::setLength(int length) | |
22 | { |
|
23 | { | |
23 | m_xyPlotData = xyPlotData; |
|
24 | QPainterPath path; | |
|
25 | path.moveTo(QPointF(0,0)); | |||
|
26 | path.lineTo(length,0); | |||
|
27 | // path.lineTo(length-4,0); | |||
|
28 | // path.lineTo(length,3); | |||
|
29 | // path.lineTo(length-4,6); | |||
|
30 | // path.lineTo(length-4,4); | |||
|
31 | // path.lineTo(0,4); | |||
|
32 | // path.lineTo(0,2); | |||
|
33 | m_path=path; | |||
|
34 | update(); | |||
24 | } |
|
35 | } | |
25 |
|
36 | |||
26 |
QRectF |
|
37 | QRectF AxisItem::boundingRect() const | |
27 | { |
|
38 | { | |
28 |
|
|
39 | return m_rect; | |
29 | } |
|
40 | } | |
30 |
|
41 | |||
31 | void XYGrid::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWidget *widget) |
|
42 | void AxisItem::setPlotDomain(const PlotDomain& plotDomain) | |
32 | { |
|
43 | { | |
|
44 | m_plotDomain = plotDomain; | |||
|
45 | } | |||
33 |
|
46 | |||
|
47 | void AxisItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWidget *widget) | |||
|
48 | { | |||
34 | if (!m_rect.isValid()) |
|
49 | if (!m_rect.isValid()) | |
35 | return; |
|
50 | return; | |
36 |
|
51 | |||
37 | const qreal deltaX = (m_rect.width() -1) / m_xyPlotData.ticksX(); |
|
52 | if(m_type==X_AXIS) { | |
38 | const qreal deltaY = (m_rect.height() - 1) / m_xyPlotData.ticksY(); |
|
53 | ||
|
54 | const qreal deltaX = (m_rect.width() -1) / m_ticks; | |||
39 |
|
55 | |||
40 |
for (int i = 0; i <= m_ |
|
56 | for (int i = 0; i <= m_ticks; ++i) { | |
41 |
|
57 | |||
42 | int x = i * deltaX + m_rect.left(); |
|
58 | int x = i * deltaX + m_rect.left(); | |
43 |
qreal label = m_ |
|
59 | qreal label = m_plotDomain.m_minX + (i * m_plotDomain.spanX() | |
44 |
/ m_ |
|
60 | / m_ticks); | |
45 | painter->drawLine(x, m_rect.top()+1, x, m_rect.bottom()); |
|
61 | painter->drawLine(x, m_rect.top()+1, x, m_rect.bottom()); | |
46 | //painter->drawLine(x, m_rect.bottom(), x, m_rect.bottom() + 5); |
|
62 | //painter->drawLine(x, m_rect.bottom(), x, m_rect.bottom() + 5); | |
47 |
|
63 | |||
@@ -49,12 +65,17 void XYGrid::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWi | |||||
49 | Qt::AlignHCenter | Qt::AlignTop, |
|
65 | Qt::AlignHCenter | Qt::AlignTop, | |
50 | QString::number(label)); |
|
66 | QString::number(label)); | |
51 | } |
|
67 | } | |
|
68 | } | |||
|
69 | ||||
|
70 | if(m_type==Y_AXIS) { | |||
52 |
|
71 | |||
53 | for (int j = 0; j <= m_xyPlotData.ticksY(); ++j) { |
|
72 | const qreal deltaY = (m_rect.height() - 1) / m_ticks; | |
|
73 | ||||
|
74 | for (int j = 0; j <= m_ticks; ++j) { | |||
54 |
|
75 | |||
55 | int y = j * -deltaY + m_rect.bottom(); |
|
76 | int y = j * -deltaY + m_rect.bottom(); | |
56 |
qreal label = m_ |
|
77 | qreal label = m_plotDomain.m_minY + (j * m_plotDomain.spanY() | |
57 |
/ m_ |
|
78 | / m_ticks); | |
58 |
|
79 | |||
59 | painter->drawLine(m_rect.left(), y, m_rect.right()-1, y); |
|
80 | painter->drawLine(m_rect.left(), y, m_rect.right()-1, y); | |
60 | //painter->drawLine(m_rect.left() - 5, y, m_rect.left(), y); |
|
81 | //painter->drawLine(m_rect.left() - 5, y, m_rect.left(), y); | |
@@ -63,8 +84,12 void XYGrid::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWi | |||||
63 | Qt::AlignRight | Qt::AlignVCenter, |
|
84 | Qt::AlignRight | Qt::AlignVCenter, | |
64 | QString::number(label)); |
|
85 | QString::number(label)); | |
65 | } |
|
86 | } | |
|
87 | } | |||
66 |
|
88 | |||
67 | //painter->drawRect(m_rect.adjusted(0, 0, -1, -1)); |
|
89 | //painter->drawRect(m_rect.adjusted(0, 0, -1, -1)); | |
|
90 | ||||
68 | } |
|
91 | } | |
69 |
|
92 | |||
|
93 | //TODO "nice numbers algorithm" | |||
|
94 | ||||
70 | QTCOMMERCIALCHART_END_NAMESPACE |
|
95 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -1,10 +1,8 | |||||
1 |
#include " |
|
1 | #include "plotdomain_p.h" | |
2 |
|
2 | |||
3 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
3 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
4 |
|
4 | |||
5 |
|
|
5 | PlotDomain::PlotDomain(): | |
6 | m_ticksX(0), |
|
|||
7 | m_ticksY(0), |
|
|||
8 | m_minX(0), |
|
6 | m_minX(0), | |
9 | m_maxX(0), |
|
7 | m_maxX(0), | |
10 | m_minY(0), |
|
8 | m_minY(0), | |
@@ -13,18 +11,18 m_maxY(0) | |||||
13 |
|
11 | |||
14 | } |
|
12 | } | |
15 |
|
13 | |||
16 |
|
|
14 | PlotDomain::~PlotDomain() | |
17 | { |
|
15 | { | |
18 | // TODO Auto-generated destructor stub |
|
16 | // TODO Auto-generated destructor stub | |
19 | } |
|
17 | } | |
20 |
|
18 | |||
21 |
qreal |
|
19 | qreal PlotDomain::spanX() const | |
22 | { |
|
20 | { | |
23 | Q_ASSERT(m_maxX >= m_minX); |
|
21 | Q_ASSERT(m_maxX >= m_minX); | |
24 | return m_maxX - m_minX; |
|
22 | return m_maxX - m_minX; | |
25 | } |
|
23 | } | |
26 |
|
24 | |||
27 |
qreal |
|
25 | qreal PlotDomain::spanY() const | |
28 | { |
|
26 | { | |
29 | Q_ASSERT(m_maxY >= m_minY); |
|
27 | Q_ASSERT(m_maxY >= m_minY); | |
30 | return m_maxY - m_minY; |
|
28 | return m_maxY - m_minY; |
@@ -5,24 +5,19 | |||||
5 |
|
5 | |||
6 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
6 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
7 |
|
7 | |||
8 |
class |
|
8 | class PlotDomain { | |
9 | public: |
|
9 | public: | |
10 |
|
|
10 | PlotDomain(); | |
11 |
virtual ~ |
|
11 | virtual ~PlotDomain(); | |
12 |
|
12 | |||
13 | qreal spanX() const; |
|
13 | qreal spanX() const; | |
14 | qreal spanY() const; |
|
14 | qreal spanY() const; | |
15 | int ticksX() const { return m_ticksX; } |
|
|||
16 | int ticksY() const { return m_ticksY; } |
|
|||
17 |
|
15 | |||
18 | public: |
|
16 | public: | |
19 | int m_ticksX; |
|
|||
20 | int m_ticksY; |
|
|||
21 | qreal m_minX; |
|
17 | qreal m_minX; | |
22 | qreal m_maxX; |
|
18 | qreal m_maxX; | |
23 | qreal m_minY; |
|
19 | qreal m_minY; | |
24 | qreal m_maxY; |
|
20 | qreal m_maxY; | |
25 | QRect m_viewportRect; |
|
|||
26 | }; |
|
21 | }; | |
27 |
|
22 | |||
28 | QTCOMMERCIALCHART_END_NAMESPACE |
|
23 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -9,26 +9,29 | |||||
9 | #include "bargroup.h" |
|
9 | #include "bargroup.h" | |
10 |
|
10 | |||
11 | #include "xylinechartitem_p.h" |
|
11 | #include "xylinechartitem_p.h" | |
12 |
#include " |
|
12 | #include "plotdomain_p.h" | |
13 | #include "axis_p.h" |
|
13 | #include "axisitem_p.h" | |
14 | #include "xygrid_p.h" |
|
|||
15 | #include <QGraphicsScene> |
|
14 | #include <QGraphicsScene> | |
16 | #include <QDebug> |
|
15 | #include <QDebug> | |
17 |
|
16 | |||
18 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
17 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
19 |
|
18 | |||
20 | QChart::QChart(QGraphicsObject* parent) : QGraphicsObject(parent), |
|
19 | QChart::QChart(QGraphicsObject* parent) : QGraphicsObject(parent), | |
21 | m_axisX(new Axis(this)), |
|
20 | m_background(new QGraphicsRectItem(this)), | |
22 |
m_ |
|
21 | m_title(new QGraphicsTextItem(this)), | |
23 | m_grid(new XYGrid(this)), |
|
22 | m_axisX(new AxisItem(AxisItem::X_AXIS,this)), | |
|
23 | m_axisY(new AxisItem(AxisItem::Y_AXIS,this)), | |||
24 | m_plotDataIndex(0), |
|
24 | m_plotDataIndex(0), | |
25 | m_marginSize(0) |
|
25 | m_marginSize(0) | |
26 | { |
|
26 | { | |
27 | // TODO: the default theme? |
|
27 | // TODO: the default theme? | |
28 | setTheme(QChart::ChartThemeVanilla); |
|
28 | setTheme(QChart::ChartThemeVanilla); | |
29 | // setFlags(QGraphicsItem::ItemClipsChildrenToShape); |
|
29 | // setFlags(QGraphicsItem::ItemClipsChildrenToShape); | |
30 | // set axis |
|
30 | PlotDomain domain; | |
31 | m_axisY->rotate(90); |
|
31 | m_plotDomainList<<domain; | |
|
32 | ||||
|
33 | m_chartItems<<m_axisX; | |||
|
34 | m_chartItems<<m_axisY; | |||
32 | } |
|
35 | } | |
33 |
|
36 | |||
34 | QChart::~QChart(){} |
|
37 | QChart::~QChart(){} | |
@@ -53,10 +56,10 void QChart::addSeries(QChartSeries* series) | |||||
53 | if (!xyseries->color().isValid() && m_themeColors.count()) |
|
56 | if (!xyseries->color().isValid() && m_themeColors.count()) | |
54 | xyseries->setColor(m_themeColors.takeFirst()); |
|
57 | xyseries->setColor(m_themeColors.takeFirst()); | |
55 |
|
58 | |||
56 | XYPlotDomain domain; |
|
59 | m_plotDataIndex = 0 ; | |
57 | //TODO "nice numbers algorithm" |
|
60 | m_plotDomainList.resize(1); | |
58 | domain.m_ticksX=4; |
|
61 | ||
59 | domain.m_ticksY=4; |
|
62 | PlotDomain& domain = m_plotDomainList[m_plotDataIndex]; | |
60 |
|
63 | |||
61 | for (int i = 0 ; i < xyseries->count() ; i++) |
|
64 | for (int i = 0 ; i < xyseries->count() ; i++) | |
62 | { |
|
65 | { | |
@@ -69,9 +72,12 void QChart::addSeries(QChartSeries* series) | |||||
69 | } |
|
72 | } | |
70 |
|
73 | |||
71 | XYLineChartItem* item = new XYLineChartItem(xyseries,this); |
|
74 | XYLineChartItem* item = new XYLineChartItem(xyseries,this); | |
72 | item->updateXYPlotDomain(domain); |
|
75 | ||
73 | m_plotDomainList<<domain; |
|
76 | m_chartItems<<item; | |
74 | m_xyLineChartItems<<item; |
|
77 | ||
|
78 | foreach(ChartItem* i ,m_chartItems) | |||
|
79 | i->setPlotDomain(m_plotDomainList.at(m_plotDataIndex)); | |||
|
80 | ||||
75 | break; |
|
81 | break; | |
76 | } |
|
82 | } | |
77 | case QChartSeries::SeriesTypeBar: { |
|
83 | case QChartSeries::SeriesTypeBar: { | |
@@ -137,32 +143,44 QChartSeries* QChart::createSeries(QChartSeries::QChartSeriesType type) | |||||
137 | return series; |
|
143 | return series; | |
138 | } |
|
144 | } | |
139 |
|
145 | |||
140 |
void QChart::setSize(const QSize |
|
146 | void QChart::setSize(const QSize& size) | |
141 | { |
|
147 | { | |
142 |
m_rect = QRect(QPoint(0,0),size |
|
148 | m_rect = QRect(QPoint(0,0),size); | |
143 | m_rect.adjust(margin(),margin(), -margin(), -margin()); |
|
149 | QRect rect = m_rect.adjusted(margin(),margin(), -margin(), -margin()); | |
144 | m_grid->setPos(m_rect.topLeft()); |
|
150 | ||
145 | m_grid->setSize(m_rect.size()); |
|
151 | ||
|
152 | //recalculate background gradient | |||
|
153 | m_background->setRect(rect); | |||
|
154 | m_backgroundGradient.setFinalStop(0,m_background->rect().height()); | |||
|
155 | m_background->setBrush(m_backgroundGradient); | |||
146 |
|
156 | |||
|
157 | //resize elements | |||
|
158 | foreach (ChartItem* item ,m_chartItems) { | |||
|
159 | item->setPos(rect.topLeft()); | |||
|
160 | item->setSize(rect.size()); | |||
|
161 | ||||
|
162 | } | |||
147 | // TODO: TTD for setting scale |
|
163 | // TODO: TTD for setting scale | |
148 | //emit scaleChanged(100, 100); |
|
164 | //emit scaleChanged(100, 100); | |
149 | // TODO: calculate the origo |
|
165 | // TODO: calculate the origo | |
150 | // TODO: not sure if emitting a signal here is the best from performance point of view |
|
166 | // TODO: not sure if emitting a signal here is the best from performance point of view | |
151 | emit sizeChanged(QRectF(0, 0, size.width(), size.height())); |
|
167 | emit sizeChanged(QRectF(0, 0, size.width(), size.height())); | |
152 |
|
168 | |||
153 | for (int i(0); i < m_plotDomainList.size(); i++) |
|
169 | update(); | |
154 | m_plotDomainList[i].m_viewportRect = m_rect; |
|
170 | } | |
155 |
|
||||
156 | // TODO: line chart items are updated separately as they don't support update |
|
|||
157 | // via sizeChanged signal |
|
|||
158 | foreach(XYLineChartItem* item ,m_xyLineChartItems) |
|
|||
159 | item->updateXYPlotDomain(m_plotDomainList.at(m_plotDataIndex)); |
|
|||
160 |
|
||||
161 |
|
171 | |||
162 | if (m_plotDomainList.count()) |
|
172 | void QChart::setBackgroundColor(const QColor& color) | |
163 | m_grid->setXYPlotData(m_plotDomainList.at(m_plotDataIndex)); |
|
173 | { | |
|
174 | m_backgroundGradient.setColorAt( 0.0, Qt::white); | |||
|
175 | m_backgroundGradient.setColorAt( 1.0, color); | |||
|
176 | m_background->setBrush(m_backgroundGradient); | |||
|
177 | m_background->setPen(Qt::NoPen); | |||
|
178 | m_background->update(); | |||
|
179 | } | |||
164 |
|
180 | |||
165 | update(); |
|
181 | void QChart::setTitle(const QString& title) | |
|
182 | { | |||
|
183 | m_title->setPlainText(title); | |||
166 | } |
|
184 | } | |
167 |
|
185 | |||
168 | int QChart::margin() const |
|
186 | int QChart::margin() const | |
@@ -208,6 +226,62 void QChart::setTheme(QChart::ChartTheme theme) | |||||
208 | // TODO: update coloring of different elements to match the selected theme |
|
226 | // TODO: update coloring of different elements to match the selected theme | |
209 | } |
|
227 | } | |
210 |
|
228 | |||
|
229 | void QChart::zoomInToRect(const QRect& rectangle) | |||
|
230 | { | |||
|
231 | ||||
|
232 | if(!rectangle.isValid()) return; | |||
|
233 | ||||
|
234 | qreal margin = this->margin(); | |||
|
235 | ||||
|
236 | QRect rect = rectangle.normalized(); | |||
|
237 | rect.translate(-margin, -margin); | |||
|
238 | ||||
|
239 | PlotDomain& oldDomain = m_plotDomainList[m_plotDataIndex]; | |||
|
240 | PlotDomain newDomain; | |||
|
241 | ||||
|
242 | qreal dx = oldDomain.spanX() / (m_rect.width() - 2 * margin); | |||
|
243 | qreal dy = oldDomain.spanY() / (m_rect.height() - 2 * margin); | |||
|
244 | ||||
|
245 | newDomain.m_minX = oldDomain.m_minX + dx * rect.left(); | |||
|
246 | newDomain.m_maxX = oldDomain.m_minX + dx * rect.right(); | |||
|
247 | newDomain.m_minY = oldDomain.m_maxY - dy * rect.bottom(); | |||
|
248 | newDomain.m_maxY = oldDomain.m_maxY - dy * rect.top(); | |||
|
249 | ||||
|
250 | m_plotDomainList.resize(m_plotDataIndex + 1); | |||
|
251 | m_plotDomainList<<newDomain; | |||
|
252 | m_plotDataIndex++; | |||
|
253 | ||||
|
254 | foreach (ChartItem* item ,m_chartItems) | |||
|
255 | item->setPlotDomain(m_plotDomainList[m_plotDataIndex]); | |||
|
256 | update(); | |||
|
257 | } | |||
|
258 | ||||
|
259 | void QChart::zoomIn() | |||
|
260 | { | |||
|
261 | if (m_plotDataIndex < m_plotDomainList.count() - 1) { | |||
|
262 | m_plotDataIndex++; | |||
|
263 | foreach (ChartItem* item ,m_chartItems) | |||
|
264 | item->setPlotDomain(m_plotDomainList[m_plotDataIndex]); | |||
|
265 | update(); | |||
|
266 | }else{ | |||
|
267 | QRect rect = m_rect.adjusted(margin(),margin(), -margin(), -margin()); | |||
|
268 | rect.setWidth(rect.width()/2); | |||
|
269 | rect.setHeight(rect.height()/2); | |||
|
270 | rect.moveCenter(m_rect.center()); | |||
|
271 | zoomInToRect(rect); | |||
|
272 | } | |||
|
273 | } | |||
|
274 | ||||
|
275 | void QChart::zoomOut() | |||
|
276 | { | |||
|
277 | if (m_plotDataIndex > 0) { | |||
|
278 | m_plotDataIndex--; | |||
|
279 | foreach (ChartItem* item ,m_chartItems) | |||
|
280 | item->setPlotDomain(m_plotDomainList[m_plotDataIndex]); | |||
|
281 | update(); | |||
|
282 | } | |||
|
283 | } | |||
|
284 | ||||
211 | #include "moc_qchart.cpp" |
|
285 | #include "moc_qchart.cpp" | |
212 |
|
286 | |||
213 | QTCOMMERCIALCHART_END_NAMESPACE |
|
287 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -4,14 +4,14 | |||||
4 | #include <qchartglobal.h> |
|
4 | #include <qchartglobal.h> | |
5 | #include <qchartseries.h> |
|
5 | #include <qchartseries.h> | |
6 | #include <QGraphicsObject> |
|
6 | #include <QGraphicsObject> | |
|
7 | #include <QLinearGradient> | |||
7 |
|
8 | |||
8 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
9 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
9 |
|
10 | |||
10 | class Axis; |
|
11 | class AxisItem; | |
11 | class XYGrid; |
|
|||
12 | class QChartSeries; |
|
12 | class QChartSeries; | |
13 |
class |
|
13 | class PlotDomain; | |
14 |
class |
|
14 | class ChartItem; | |
15 | class BarGroup; |
|
15 | class BarGroup; | |
16 |
|
16 | |||
17 | // TODO: We don't need to have QChart tied to QGraphicsItem: |
|
17 | // TODO: We don't need to have QChart tied to QGraphicsItem: | |
@@ -45,29 +45,39 public: | |||||
45 | // TODO: who owns the series now? maybe owned by chart and returned a reference instead... |
|
45 | // TODO: who owns the series now? maybe owned by chart and returned a reference instead... | |
46 | QChartSeries* createSeries(QChartSeries::QChartSeriesType type); |
|
46 | QChartSeries* createSeries(QChartSeries::QChartSeriesType type); | |
47 |
|
47 | |||
48 |
|
|
48 | void setSize(const QSize& size); | |
49 | void setMargin(int margin); |
|
49 | void setMargin(int margin); | |
50 | int margin() const; |
|
50 | int margin() const; | |
51 | void setTheme(QChart::ChartTheme theme); |
|
51 | void setTheme(QChart::ChartTheme theme); | |
52 |
|
52 | |||
|
53 | void setTitle(const QString& title); | |||
|
54 | void setBackgroundColor(const QColor& color); | |||
|
55 | ||||
|
56 | void zoomInToRect(const QRect& rectangle); | |||
|
57 | void zoomIn(); | |||
|
58 | void zoomOut(); | |||
|
59 | ||||
53 | signals: |
|
60 | signals: | |
|
61 | //TODO chage to const QSize& size | |||
54 | void sizeChanged(QRectF rect); |
|
62 | void sizeChanged(QRectF rect); | |
55 | void scaleChanged(qreal xscale, qreal yscale); |
|
63 | void scaleChanged(qreal xscale, qreal yscale); | |
56 |
|
64 | |||
57 | private: |
|
65 | private: | |
58 | Q_DISABLE_COPY(QChart) |
|
66 | Q_DISABLE_COPY(QChart) | |
59 | Axis* m_axisX; |
|
67 | QGraphicsRectItem* m_background; | |
60 | Axis* m_axisY; |
|
68 | QLinearGradient m_backgroundGradient; | |
61 | XYGrid* m_grid; |
|
69 | QGraphicsTextItem* m_title; | |
|
70 | AxisItem* m_axisX; | |||
|
71 | AxisItem* m_axisY; | |||
62 | QRect m_rect; |
|
72 | QRect m_rect; | |
63 | QList<const QChartSeries*> m_series; |
|
73 | QList<const QChartSeries*> m_series; | |
64 |
Q |
|
74 | QVector<PlotDomain> m_plotDomainList; | |
65 |
QList< |
|
75 | QList<ChartItem*> m_chartItems; | |
|
76 | //TODO: remove | |||
66 | QList<QGraphicsItem*> m_items; |
|
77 | QList<QGraphicsItem*> m_items; | |
67 | int m_plotDataIndex; |
|
78 | int m_plotDataIndex; | |
68 | int m_marginSize; |
|
79 | int m_marginSize; | |
69 | QList<QColor> m_themeColors; |
|
80 | QList<QColor> m_themeColors; | |
70 |
|
||||
71 | QList<BarGroup*> m_BarGroupItems; |
|
81 | QList<BarGroup*> m_BarGroupItems; | |
72 | }; |
|
82 | }; | |
73 |
|
83 |
@@ -11,9 +11,7 QTCOMMERCIALCHART_BEGIN_NAMESPACE | |||||
11 | QChartView::QChartView(QWidget *parent) : |
|
11 | QChartView::QChartView(QWidget *parent) : | |
12 | QGraphicsView(parent), |
|
12 | QGraphicsView(parent), | |
13 | m_scene(new QGraphicsScene()), |
|
13 | m_scene(new QGraphicsScene()), | |
14 |
m_chart(new QChart()) |
|
14 | m_chart(new QChart()) | |
15 | m_rubberBand(0), |
|
|||
16 | m_showRubberBand(false) |
|
|||
17 | { |
|
15 | { | |
18 | setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); |
|
16 | setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff); | |
19 | setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); |
|
17 | setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff); | |
@@ -46,36 +44,34 QChartSeries* QChartView::createSeries(QChartSeries::QChartSeriesType type) | |||||
46 | return m_chart->createSeries(type); |
|
44 | return m_chart->createSeries(type); | |
47 | } |
|
45 | } | |
48 |
|
46 | |||
49 | void QChartView::mousePressEvent(QMouseEvent *event) |
|
47 | void QChartView::zoomInToRect(const QRect& rectangle) | |
50 | { |
|
48 | { | |
51 | int margin = m_chart->margin(); |
|
49 | m_chart->zoomInToRect(rectangle); | |
52 |
|
50 | } | ||
53 | QRect rect(margin,margin,width()-2*margin,height()-2*margin); |
|
|||
54 |
|
||||
55 | m_origin = event->pos(); |
|
|||
56 |
|
||||
57 | if (!rect.contains(m_origin)) return; |
|
|||
58 |
|
51 | |||
59 | if (!m_rubberBand) |
|
52 | void QChartView::zoomIn() | |
60 | m_rubberBand = new QRubberBand(QRubberBand::Rectangle, this); |
|
53 | { | |
61 | m_rubberBand->setGeometry(QRect(m_origin, QSize())); |
|
54 | m_chart->zoomIn(); | |
62 | m_showRubberBand=true; |
|
55 | } | |
63 | m_rubberBand->show(); |
|
|||
64 |
|
56 | |||
|
57 | void QChartView::zoomOut() | |||
|
58 | { | |||
|
59 | m_chart->zoomOut(); | |||
65 | } |
|
60 | } | |
66 |
|
61 | |||
67 | void QChartView::mouseMoveEvent(QMouseEvent *event) |
|
62 | int QChartView::margin() const | |
68 | { |
|
63 | { | |
69 | if(m_showRubberBand) |
|
64 | return m_chart->margin(); | |
70 | m_rubberBand->setGeometry(QRect(m_origin, event->pos()).normalized()); |
|
|||
71 | } |
|
65 | } | |
72 |
|
66 | |||
73 | void QChartView::mouseReleaseEvent(QMouseEvent *event) |
|
67 | void QChartView::setTitle(const QString& title) | |
74 | { |
|
68 | { | |
75 | if(m_showRubberBand) { |
|
69 | m_chart->setTitle(title); | |
76 | m_rubberBand->hide(); |
|
|||
77 | m_showRubberBand=false; |
|
|||
78 | } |
|
70 | } | |
|
71 | ||||
|
72 | void QChartView::setBackgroundColor(const QColor& color) | |||
|
73 | { | |||
|
74 | m_chart->setBackgroundColor(color); | |||
79 | } |
|
75 | } | |
80 |
|
76 | |||
81 | QTCOMMERCIALCHART_END_NAMESPACE |
|
77 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -6,7 +6,6 | |||||
6 | #include <QGraphicsView> |
|
6 | #include <QGraphicsView> | |
7 |
|
7 | |||
8 | class QGraphicsScene; |
|
8 | class QGraphicsScene; | |
9 | class QRubberBand; |
|
|||
10 |
|
9 | |||
11 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
|
10 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
12 |
|
11 | |||
@@ -25,17 +24,17 public: | |||||
25 | // Convenience function |
|
24 | // Convenience function | |
26 | QChartSeries* createSeries(QChartSeries::QChartSeriesType type); |
|
25 | QChartSeries* createSeries(QChartSeries::QChartSeriesType type); | |
27 |
|
26 | |||
28 | protected: |
|
27 | int margin() const; | |
29 | void mouseMoveEvent (QMouseEvent *event); |
|
28 | void setTitle(const QString& title); | |
30 | void mousePressEvent (QMouseEvent *event); |
|
29 | void setBackgroundColor(const QColor& color); | |
31 | void mouseReleaseEvent (QMouseEvent *event); |
|
30 | void zoomInToRect(const QRect& rectangle); | |
|
31 | void zoomIn(); | |||
|
32 | void zoomOut(); | |||
32 |
|
33 | |||
33 | private: |
|
34 | private: | |
34 | QGraphicsScene *m_scene; |
|
35 | QGraphicsScene *m_scene; | |
35 | QChart* m_chart; |
|
36 | QChart* m_chart; | |
36 | QRubberBand *m_rubberBand; |
|
|||
37 | QPoint m_origin; |
|
37 | QPoint m_origin; | |
38 | bool m_showRubberBand; |
|
|||
39 | Q_DISABLE_COPY(QChartView) |
|
38 | Q_DISABLE_COPY(QChartView) | |
40 |
|
39 | |||
41 |
|
40 |
@@ -17,12 +17,11 SOURCES += \ | |||||
17 | barchart/bar.cpp \ |
|
17 | barchart/bar.cpp \ | |
18 | xylinechart/qxychartseries.cpp \ |
|
18 | xylinechart/qxychartseries.cpp \ | |
19 | xylinechart/xylinechartitem.cpp \ |
|
19 | xylinechart/xylinechartitem.cpp \ | |
20 | xylinechart/xygrid.cpp \ |
|
20 | plotdomain.cpp \ | |
21 | xylinechart/xyplotdomain.cpp \ |
|
|||
22 | qscatterseries.cpp \ |
|
21 | qscatterseries.cpp \ | |
23 | qpieseries.cpp \ |
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22 | qpieseries.cpp \ | |
24 | qchart.cpp \ |
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23 | qchart.cpp \ | |
25 | axis.cpp \ |
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24 | axisitem.cpp \ | |
26 | qchartwidget.cpp \ |
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25 | qchartwidget.cpp \ | |
27 | pieslice.cpp \ |
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26 | pieslice.cpp \ | |
28 | qchartview.cpp \ |
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27 | qchartview.cpp \ | |
@@ -30,11 +29,11 SOURCES += \ | |||||
30 |
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29 | |||
31 | PRIVATE_HEADERS += \ |
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30 | PRIVATE_HEADERS += \ | |
32 | xylinechart/xylinechartitem_p.h \ |
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31 | xylinechart/xylinechartitem_p.h \ | |
33 |
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32 | plotdomain_p.h \ | |
34 | xylinechart/xygrid_p.h \ |
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35 | qscatterseries_p.h \ |
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33 | qscatterseries_p.h \ | |
36 | pieslice.h \ |
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34 | pieslice.h \ | |
37 | axis_p.h |
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35 | axisitem_p.h \ | |
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36 | chartitem_p.h | |||
38 |
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37 | |||
39 | PUBLIC_HEADERS += \ |
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38 | PUBLIC_HEADERS += \ | |
40 | qchartseries.h \ |
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39 | qchartseries.h \ |
@@ -1,6 +1,5 | |||||
1 | #include "xylinechartitem_p.h" |
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1 | #include "xylinechartitem_p.h" | |
2 | #include "axis_p.h" |
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2 | #include "axisitem_p.h" | |
3 | #include "xygrid_p.h" |
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4 | #include "qxychartseries.h" |
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3 | #include "qxychartseries.h" | |
5 | #include <QPainter> |
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4 | #include <QPainter> | |
6 | #include <QStyleOptionGraphicsItem> |
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5 | #include <QStyleOptionGraphicsItem> | |
@@ -8,49 +7,61 | |||||
8 |
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7 | |||
9 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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8 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
10 |
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9 | |||
11 |
XYLineChartItem::XYLineChartItem(QXYChartSeries* series,QGraphicsItem *parent): |
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10 | XYLineChartItem::XYLineChartItem(QXYChartSeries* series,QGraphicsItem *parent):ChartItem(parent), | |
12 | m_series(series) |
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11 | m_series(series), | |
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12 | m_dirty(false) | |||
13 | { |
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13 | { | |
14 |
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14 | |||
15 | } |
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15 | } | |
16 |
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16 | |||
17 |
void XYLineChartItem:: |
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17 | void XYLineChartItem::setSize(const QSize& size) | |
18 | { |
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18 | { | |
19 | m_xyPlotData=data; |
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19 | m_rect=QRect(0,0,size.width(),size.height()); | |
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20 | m_dirty=true; | |||
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21 | } | |||
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22 | ||||
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23 | void XYLineChartItem::setPlotDomain(const PlotDomain& data) | |||
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24 | { | |||
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25 | m_plotDomain=data; | |||
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26 | m_dirty=true; | |||
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27 | } | |||
20 |
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28 | |||
21 | if (!m_xyPlotData.m_viewportRect.isValid()) |
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29 | QRectF XYLineChartItem::boundingRect() const | |
22 | return; |
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30 | { | |
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31 | return m_polyline.boundingRect(); | |||
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32 | } | |||
23 |
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33 | |||
24 | const QRect& rect = m_xyPlotData.m_viewportRect; |
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34 | void XYLineChartItem::updateGeometry() | |
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35 | { | |||
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36 | if (!m_rect.isValid()) return; | |||
25 |
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37 | |||
26 |
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38 | const qreal deltaX = (m_rect.width()-1)/m_plotDomain.spanX(); | |
27 |
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39 | const qreal deltaY = (m_rect.height()-1)/m_plotDomain.spanY(); | |
28 |
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40 | |||
29 |
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41 | m_polyline.clear(); | |
30 |
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42 | m_polyline.resize(m_series->count()); | |
31 |
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43 | |||
32 |
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44 | for (int j = 0; j < m_series->count(); ++j) { | |
33 |
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45 | qreal dx = m_series->x(j) - m_plotDomain.m_minX; | |
34 |
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46 | qreal dy = m_series->y(j) - m_plotDomain.m_minY; | |
35 |
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47 | qreal x = (dx * deltaX) + m_rect.left(); | |
36 |
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48 | qreal y = - (dy * deltaY) + m_rect.bottom(); | |
37 |
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49 | m_polyline[j] = QPointF(x, y); | |
38 |
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50 | } | |
39 |
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51 | |||
40 | } |
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52 | } | |
41 |
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53 | |||
42 | QRectF XYLineChartItem::boundingRect() const |
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43 | { |
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44 | return m_polyline.boundingRect(); |
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45 | } |
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46 |
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47 |
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54 | |||
48 | void XYLineChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWidget *widget) |
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55 | void XYLineChartItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWidget *widget) | |
49 | { |
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56 | { | |
50 | painter->setClipRect(m_xyPlotData.m_viewportRect.adjusted(+1, +1, -1, -1)); |
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57 | //TODO: remove it | |
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58 | if (m_dirty) { | |||
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59 | updateGeometry(); | |||
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60 | m_dirty=false; | |||
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61 | } | |||
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62 | painter->setClipRect(m_rect.adjusted(+1, +1, -1, -1)); | |||
51 | painter->setPen(m_series->color()); |
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63 | painter->setPen(m_series->color()); | |
52 | painter->drawPolyline(m_polyline); |
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64 | painter->drawPolyline(m_polyline); | |
53 |
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||||
54 | } |
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65 | } | |
55 |
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66 | |||
56 | QTCOMMERCIALCHART_END_NAMESPACE |
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67 | QTCOMMERCIALCHART_END_NAMESPACE |
@@ -2,30 +2,35 | |||||
2 | #define XYLINECHARTITEM_H |
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2 | #define XYLINECHARTITEM_H | |
3 |
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3 | |||
4 | #include "qchartglobal.h" |
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4 | #include "qchartglobal.h" | |
5 | #include <QGraphicsItem> |
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5 | #include "chartitem_p.h" | |
6 | #include "xyplotdomain_p.h" |
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7 |
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6 | |||
8 | QTCOMMERCIALCHART_BEGIN_NAMESPACE |
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7 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | |
9 |
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8 | |||
10 | class QXYChartSeries; |
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9 | class QXYChartSeries; | |
11 |
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10 | |||
12 |
class XYLineChartItem : public |
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11 | class XYLineChartItem : public ChartItem | |
13 | { |
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12 | { | |
14 |
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13 | |||
15 | public: |
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14 | public: | |
16 | XYLineChartItem(QXYChartSeries* m_series,QGraphicsItem *parent = 0); |
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15 | XYLineChartItem(QXYChartSeries* m_series,QGraphicsItem *parent = 0); | |
17 |
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16 | ~ XYLineChartItem(){}; | |
18 |
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17 | |||
19 | //from QGraphicsItem |
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18 | //from QGraphicsItem | |
20 |
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19 | QRectF boundingRect() const; | |
21 |
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20 | void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget); | |
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21 | //from ChartItem | |||
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22 | void setSize(const QSize& size); | |||
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23 | void setPlotDomain(const PlotDomain& data); | |||
22 |
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24 | |||
23 | void updateXYPlotDomain(const XYPlotDomain& data); |
|
25 | private: | |
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26 | void updateGeometry(); | |||
24 |
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27 | |||
25 | private: |
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28 | private: | |
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29 | QRect m_rect; | |||
26 | QPolygonF m_polyline; |
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30 | QPolygonF m_polyline; | |
27 | QXYChartSeries* m_series; |
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31 | QXYChartSeries* m_series; | |
28 |
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32 | PlotDomain m_plotDomain; | |
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33 | bool m_dirty; | |||
29 | }; |
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34 | }; | |
30 |
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35 | |||
31 | QTCOMMERCIALCHART_END_NAMESPACE |
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36 | QTCOMMERCIALCHART_END_NAMESPACE |
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