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qchart.cpp
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/ src / qchart.cpp
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Michal Klocek
adds missing files form previous commit
 r12 #include "qchart.h"
Michal Klocek
Refactor current draft to fit int current design specs...
 r21 #include "qchartseries.h"
Tero Ahola
Integrated scatter type series...
 r42 #include "qscatterseries.h"
#include "qscatterseries_p.h"
Tero Ahola
Integrated draft version of pie series
 r51 #include "qpieseries.h"
Michal Klocek
Changes reinterpret_cast to static_cast
 r45 #include "qxychartseries.h"
sauimone
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?
 r56
#include "barchartseries.h"
#include "bargroup.h"
Michal Klocek
Refactor current draft to fit int current design specs...
 r21 #include "xylinechartitem_p.h"
Michal Klocek
Add zoom support...
 r67 #include "plotdomain_p.h"
#include "axisitem_p.h"
Tero Ahola
Integrated scatter type series...
 r42 #include <QGraphicsScene>
Michal Klocek
Refactor current draft to fit int current design specs...
 r21 #include <QDebug>
Michal Klocek
adds missing files form previous commit
 r12
Tero Ahola
Renamed to QtCommercialChart
 r30 QTCOMMERCIALCHART_BEGIN_NAMESPACE
Michal Klocek
adds missing files form previous commit
 r12
Tero Ahola
Resizing of QGraphicItems now possible by resize signal from QChart
 r48 QChart::QChart(QGraphicsObject* parent) : QGraphicsObject(parent),
Michal Klocek
Add background to chart...
 r69 m_background(new QGraphicsRectItem(this)),
m_title(new QGraphicsTextItem(this)),
Michal Klocek
Add zoom support...
 r67 m_axisX(new AxisItem(AxisItem::X_AXIS,this)),
m_axisY(new AxisItem(AxisItem::Y_AXIS,this)),
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 m_plotDataIndex(0),
m_marginSize(0)
Michal Klocek
adds missing files form previous commit
 r12 {
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 // TODO: the default theme?
setTheme(QChart::ChartThemeVanilla);
Michal Klocek
Adds pimpl to qchart class
 r28 // setFlags(QGraphicsItem::ItemClipsChildrenToShape);
Michal Klocek
Add zoom support...
 r67 PlotDomain domain;
m_plotDomainList<<domain;
m_chartItems<<m_axisX;
m_chartItems<<m_axisY;
Michal Klocek
adds missing files form previous commit
 r12 }
QChart::~QChart(){}
Michal Klocek
Refactor current draft to fit int current design specs...
 r21 QRectF QChart::boundingRect() const
{
Michal Klocek
Removes PIMPL for now...
 r53 return m_rect;
Michal Klocek
Refactor current draft to fit int current design specs...
 r21 }
Michal Klocek
adds missing files form previous commit
 r12
Michal Klocek
Refactor current draft to fit int current design specs...
 r21 void QChart::addSeries(QChartSeries* series)
Michal Klocek
adds missing files form previous commit
 r12 {
Tero Ahola
Resizing of QGraphicItems now possible by resize signal from QChart
 r48 // TODO: we should check the series not already added
Michal Klocek
Changes reinterpret_cast to static_cast
 r45
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 m_chartSeries << series;
Michal Klocek
Refactor current draft to fit int current design specs...
 r21
switch(series->type())
{
Tero Ahola
Renamed to QtCommercialChart
 r30 case QChartSeries::SeriesTypeLine: {
Michal Klocek
Removes hardcoded values for xydomain
 r47
QXYChartSeries* xyseries = static_cast<QXYChartSeries*>(series);
Tero Ahola
Fixed line series usage in the test app
 r65 // Use color defined by theme in case the series does not define a custom color
if (!xyseries->color().isValid() && m_themeColors.count())
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 xyseries->setColor(nextColor());
Michal Klocek
Removes hardcoded values for xydomain
 r47
Michal Klocek
Add zoom support...
 r67 m_plotDataIndex = 0 ;
m_plotDomainList.resize(1);
PlotDomain& domain = m_plotDomainList[m_plotDataIndex];
Michal Klocek
Removes hardcoded values for xydomain
 r47
for (int i = 0 ; i < xyseries->count() ; i++)
{
qreal x = xyseries->x(i);
qreal y = xyseries->y(i);
domain.m_minX = qMin(domain.m_minX,x);
domain.m_minY = qMin(domain.m_minY,y);
domain.m_maxX = qMax(domain.m_maxX,x);
domain.m_maxY = qMax(domain.m_maxY,y);
}
XYLineChartItem* item = new XYLineChartItem(xyseries,this);
Michal Klocek
Add zoom support...
 r67 m_chartItems<<item;
foreach(ChartItem* i ,m_chartItems)
i->setPlotDomain(m_plotDomainList.at(m_plotDataIndex));
Michal Klocek
Refactor current draft to fit int current design specs...
 r21 break;
Michal Klocek
adds missing files form previous commit
 r12 }
sauimone
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?
 r56 case QChartSeries::SeriesTypeBar: {
qDebug() << "barSeries added";
BarChartSeries* barSeries = static_cast<BarChartSeries*>(series);
sauimone
Added bar chart example
 r78 BarGroup* barGroup = new BarGroup(*barSeries,this);
sauimone
correct drawing for barchart
 r82
// Add some fugly colors for 5 fist series...
barGroup->addColor(QColor(255,0,0,128));
barGroup->addColor(QColor(255,255,0,128));
barGroup->addColor(QColor(0,255,0,128));
barGroup->addColor(QColor(0,0,255,128));
barGroup->addColor(QColor(255,128,0,128));
sauimone
Added bar chart example
 r78 m_chartItems<<barGroup;
childItems().append(barGroup);
sauimone
Integrating bar chart. Cleaned up old implementation. TODO: show this in test application. how?
 r56 break;
}
Tero Ahola
Integrated scatter type series...
 r42 case QChartSeries::SeriesTypeScatter: {
Tero Ahola
Fixed line series usage in the test app
 r65 QScatterSeries *scatterSeries = qobject_cast<QScatterSeries *>(series);
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 scatterSeries->d->setParentItem(this);
// Set pre-defined colors in case the series has no colors defined
if (!scatterSeries->markerColor().isValid())
scatterSeries->setMarkerColor(nextColor());
Tero Ahola
Removed scale from chart's sizeChanged signals
 r54 connect(this, SIGNAL(sizeChanged(QRectF)),
scatterSeries, SLOT(chartSizeChanged(QRectF)));
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 // QColor nextColor = m_themeColors.takeFirst();
// nextColor.setAlpha(150); // TODO: default opacity?
// scatterSeries->setMarkerColor(nextColor);
break;
Tero Ahola
Fixed line series usage in the test app
 r65 }
Tero Ahola
Integrated draft version of pie series
 r51 case QChartSeries::SeriesTypePie: {
Tero Ahola
Fixed line series usage in the test app
 r65 QPieSeries *pieSeries = qobject_cast<QPieSeries *>(series);
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 for (int i(0); i < pieSeries->sliceCount(); i++) {
if (!pieSeries->sliceColor(i).isValid())
pieSeries->setSliceColor(i, nextColor());
}
Tero Ahola
Removed scale from chart's sizeChanged signals
 r54 connect(this, SIGNAL(sizeChanged(QRectF)),
pieSeries, SLOT(chartSizeChanged(QRectF)));
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75
// Set pre-defined colors in case the series has no colors defined
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 // TODO: how to define the color for all the slices of a pie?
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 // for (int (i); i < pieSeries.sliceCount(); i++)
break;
Tero Ahola
Fixed line series usage in the test app
 r65 }
}
}
QChartSeries* QChart::createSeries(QChartSeries::QChartSeriesType type)
{
// TODO: support also other types; not only scatter and pie
QChartSeries *series(0);
switch (type) {
case QChartSeries::SeriesTypeLine: {
series = QXYChartSeries::create();
break;
}
case QChartSeries::SeriesTypeBar: {
series = new BarChartSeries(this);
break;
}
case QChartSeries::SeriesTypeScatter: {
series = new QScatterSeries(this);
break;
}
case QChartSeries::SeriesTypePie: {
series = new QPieSeries(this);
break;
Tero Ahola
Integrated scatter type series...
 r42 }
default:
Tero Ahola
Refactored series creation with QChart
 r61 Q_ASSERT(false);
Tero Ahola
Integrated scatter type series...
 r42 break;
}
Tero Ahola
Fixed line series usage in the test app
 r65 addSeries(series);
return series;
Tero Ahola
Integrated scatter type series...
 r42 }
Tero Ahola
Resizing of QGraphicItems now possible by resize signal from QChart
 r48
Michal Klocek
Add zoom support...
 r67 void QChart::setSize(const QSize& size)
Michal Klocek
Adds pimpl to qchart class
 r28 {
Michal Klocek
Add zoom support...
 r67 m_rect = QRect(QPoint(0,0),size);
QRect rect = m_rect.adjusted(margin(),margin(), -margin(), -margin());
Michal Klocek
Add background to chart...
 r69
//recalculate background gradient
m_background->setRect(rect);
m_backgroundGradient.setFinalStop(0,m_background->rect().height());
m_background->setBrush(m_backgroundGradient);
//resize elements
Michal Klocek
Add zoom support...
 r67 foreach (ChartItem* item ,m_chartItems) {
item->setPos(rect.topLeft());
item->setSize(rect.size());
Michal Klocek
Removes hardcoded values for xydomain
 r47
Michal Klocek
Add zoom support...
 r67 }
Tero Ahola
Removed scale from chart's sizeChanged signals
 r54 // TODO: TTD for setting scale
//emit scaleChanged(100, 100);
Tero Ahola
Resizing of QGraphicItems now possible by resize signal from QChart
 r48 // TODO: calculate the origo
// TODO: not sure if emitting a signal here is the best from performance point of view
Tero Ahola
Removed scale from chart's sizeChanged signals
 r54 emit sizeChanged(QRectF(0, 0, size.width(), size.height()));
Tero Ahola
Resizing of QGraphicItems now possible by resize signal from QChart
 r48
Michal Klocek
Refactor current draft to fit int current design specs...
 r21 update();
Michal Klocek
adds missing files form previous commit
 r12 }
Michal Klocek
Add background to chart...
 r69 void QChart::setBackgroundColor(const QColor& color)
{
m_backgroundGradient.setColorAt( 0.0, Qt::white);
m_backgroundGradient.setColorAt( 1.0, color);
m_background->setBrush(m_backgroundGradient);
m_background->setPen(Qt::NoPen);
m_background->update();
}
void QChart::setTitle(const QString& title)
{
m_title->setPlainText(title);
}
Michal Klocek
Adds pimpl to qchart class
 r28 int QChart::margin() const
{
Michal Klocek
Removes PIMPL for now...
 r53 return m_marginSize;
Michal Klocek
Adds pimpl to qchart class
 r28 }
Michal Klocek
adds missing files form previous commit
 r12 void QChart::setMargin(int margin)
{
Michal Klocek
Removes PIMPL for now...
 r53 m_marginSize = margin;
Michal Klocek
adds missing files form previous commit
 r12 }
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 void QChart::setTheme(QChart::ChartThemeId theme)
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 {
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 // if (theme != m_currentTheme) {
m_themeColors.clear();
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 // TODO: define color themes
switch (theme) {
Tero Ahola
Added theme named 'default'
 r81 case QChart::ChartThemeDefault:
// TODO: define the default theme based on the OS
// For now we just fallthrough to "vanilla"
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 case QChart::ChartThemeVanilla:
m_themeColors.append(QColor(217, 197, 116));
m_themeColors.append(QColor(214, 168, 150));
m_themeColors.append(QColor(160, 160, 113));
m_themeColors.append(QColor(210, 210, 52));
m_themeColors.append(QColor(136, 114, 58));
Tero Ahola
Theme now affects background, enabled zoom by default in QChartWidget
 r77
m_backgroundGradient.setColorAt(0.0, QColor(QRgb(0xff9d844d)));
m_backgroundGradient.setColorAt(1.0, QColor(QRgb(0xffafafaf)));
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 break;
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 case QChart::ChartThemeIcy:
m_themeColors.append(QColor(0, 3, 165));
m_themeColors.append(QColor(49, 52, 123));
m_themeColors.append(QColor(71, 114, 187));
m_themeColors.append(QColor(48, 97, 87));
m_themeColors.append(QColor(19, 71, 90));
m_themeColors.append(QColor(110, 70, 228));
Tero Ahola
Theme now affects background, enabled zoom by default in QChartWidget
 r77
m_backgroundGradient.setColorAt(0.0, QColor(QRgb(0xffe4ffff)));
Tero Ahola
Added theme named 'default'
 r81 m_backgroundGradient.setColorAt(1.0, QColor(QRgb(0xffe4ffff)));
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 break;
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 case QChart::ChartThemeGrayscale:
m_themeColors.append(QColor(0, 0, 0));
m_themeColors.append(QColor(50, 50, 50));
m_themeColors.append(QColor(100, 100, 100));
m_themeColors.append(QColor(140, 140, 140));
m_themeColors.append(QColor(180, 180, 180));
Tero Ahola
Theme now affects background, enabled zoom by default in QChartWidget
 r77
m_backgroundGradient.setColorAt(0.0, QColor(QRgb(0xffffffff)));
m_backgroundGradient.setColorAt(1.0, QColor(QRgb(0xffafafaf)));
break;
case QChart::ChartThemeUnnamed1:
m_themeColors.append(QColor(QRgb(0xff3fa9f5)));
m_themeColors.append(QColor(QRgb(0xff7AC943)));
m_themeColors.append(QColor(QRgb(0xffFF931E)));
m_themeColors.append(QColor(QRgb(0xffFF1D25)));
m_themeColors.append(QColor(QRgb(0xffFF7BAC)));
m_backgroundGradient.setColorAt(0.0, QColor(QRgb(0xfff3dc9e)));
m_backgroundGradient.setColorAt(1.0, QColor(QRgb(0xffafafaf)));
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 break;
default:
Q_ASSERT(false);
break;
}
Tero Ahola
Resizing of QGraphicItems now possible by resize signal from QChart
 r48
Tero Ahola
Theme now affects background, enabled zoom by default in QChartWidget
 r77 m_background->setBrush(m_backgroundGradient);
m_background->setPen(Qt::NoPen);
Tero Ahola
Color themes now enabled for scatter, pie and line series.
 r75 foreach(QChartSeries* series, m_chartSeries) {
// TODO: other series interested on themes?
if (series->type() == QChartSeries::SeriesTypeLine) {
QXYChartSeries *lineseries = reinterpret_cast<QXYChartSeries *>(series);
lineseries->setColor(nextColor());
} else if (series->type() == QChartSeries::SeriesTypeScatter) {
QScatterSeries *scatter = qobject_cast<QScatterSeries *>(series);
scatter->setMarkerColor(nextColor());
} else if (series->type() == QChartSeries::SeriesTypePie) {
QPieSeries *pieSeries = qobject_cast<QPieSeries *>(series);
for (int i(0); i < pieSeries->sliceCount(); i++)
pieSeries->setSliceColor(i, nextColor());
}
}
update();
}
QColor QChart::nextColor()
{
QColor nextColor = m_themeColors.first();
m_themeColors.move(0, m_themeColors.size() - 1);
return nextColor;
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 }
Michal Klocek
Add zoom support...
 r67 void QChart::zoomInToRect(const QRect& rectangle)
{
if(!rectangle.isValid()) return;
qreal margin = this->margin();
QRect rect = rectangle.normalized();
rect.translate(-margin, -margin);
PlotDomain& oldDomain = m_plotDomainList[m_plotDataIndex];
Michal Klocek
Small refactor, adds subDomain to plotDomain
 r76 PlotDomain domain = oldDomain.subDomain(rect,m_rect.width() - 2 * margin,m_rect.height() - 2 * margin);
Michal Klocek
Add zoom support...
 r67
m_plotDomainList.resize(m_plotDataIndex + 1);
Michal Klocek
Small refactor, adds subDomain to plotDomain
 r76 m_plotDomainList<<domain;
Michal Klocek
Add zoom support...
 r67 m_plotDataIndex++;
foreach (ChartItem* item ,m_chartItems)
item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
update();
}
void QChart::zoomIn()
{
if (m_plotDataIndex < m_plotDomainList.count() - 1) {
m_plotDataIndex++;
foreach (ChartItem* item ,m_chartItems)
item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
update();
}else{
QRect rect = m_rect.adjusted(margin(),margin(), -margin(), -margin());
rect.setWidth(rect.width()/2);
rect.setHeight(rect.height()/2);
rect.moveCenter(m_rect.center());
zoomInToRect(rect);
}
}
void QChart::zoomOut()
{
if (m_plotDataIndex > 0) {
m_plotDataIndex--;
foreach (ChartItem* item ,m_chartItems)
item->setPlotDomain(m_plotDomainList[m_plotDataIndex]);
update();
}
}
Tero Ahola
Draft implementation for setting color themes for a chart
 r64 #include "moc_qchart.cpp"
Tero Ahola
Resizing of QGraphicItems now possible by resize signal from QChart
 r48
Tero Ahola
Renamed to QtCommercialChart
 r30 QTCOMMERCIALCHART_END_NAMESPACE