charttheme.cpp
229 lines
| 6.9 KiB
| text/x-c
|
CppLexer
/ src / charttheme.cpp
Tero Ahola
|
r103 | #include "charttheme_p.h" | ||
| #include "qchart.h" | ||||
Michal Klocek
|
r176 | #include "qchartaxis.h" | ||
|
Tero Ahola
|
r103 | |||
|
Michal Klocek
|
r143 | //series | ||
sauimone
|
r214 | #include "qbarset.h" | ||
|
sauimone
|
r216 | #include "qbarchartseries.h" | ||
| #include "qstackedbarchartseries.h" | ||||
| #include "qpercentbarchartseries.h" | ||||
|
Michal Klocek
|
r145 | #include "qlinechartseries.h" | ||
|
Tero Ahola
|
r182 | #include "qscatterseries.h" | ||
Jani Honkonen
|
r163 | #include "qpieseries.h" | ||
|
Jani Honkonen
|
r203 | #include "qpieslice.h" | ||
|
Jani Honkonen
|
r163 | |||
|
Michal Klocek
|
r143 | //items | ||
| #include "axisitem_p.h" | ||||
|
sauimone
|
r216 | #include "barpresenter.h" | ||
| #include "stackedbarpresenter.h" | ||||
|
Michal Klocek
|
r145 | #include "linechartitem_p.h" | ||
|
sauimone
|
r216 | #include "percentbarpresenter.h" | ||
|
Tero Ahola
|
r194 | #include "scatterpresenter_p.h" | ||
|
Jani Honkonen
|
r163 | #include "piepresenter.h" | ||
|
Tero Ahola
|
r103 | |||
|
Michal Klocek
|
r143 | //themes | ||
| #include "chartthemevanilla_p.h" | ||||
| #include "chartthemeicy_p.h" | ||||
| #include "chartthemegrayscale_p.h" | ||||
| #include "chartthemescientific_p.h" | ||||
|
Tero Ahola
|
r103 | |||
|
Tero Ahola
|
r125 | |||
|
Michal Klocek
|
r143 | QTCOMMERCIALCHART_BEGIN_NAMESPACE | ||
| /* TODO | ||||
|
Tero Ahola
|
r103 | case QChart::ChartThemeUnnamed1: | ||
|
Tero Ahola
|
r108 | m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xff3fa9f5)), 2)); | ||
| m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xff7AC943)), 2)); | ||||
| m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xffFF931E)), 2)); | ||||
| m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xffFF1D25)), 2)); | ||||
| m_seriesThemes.append(SeriesTheme(QColor(QRgb(0xffFF7BAC)), 2)); | ||||
|
Tero Ahola
|
r103 | |||
| m_gradientStartColor = QColor(QRgb(0xfff3dc9e)); | ||||
| m_gradientEndColor = QColor(QRgb(0xffafafaf)); | ||||
|
Michal Klocek
|
r143 | */ | ||
|
Michal Klocek
|
r153 | ChartTheme::ChartTheme(QChart::ChartTheme id) | ||
|
Michal Klocek
|
r143 | { | ||
|
Michal Klocek
|
r153 | m_id = id; | ||
|
Michal Klocek
|
r143 | m_seriesColor.append(QRgb(0xff000000)); | ||
| m_seriesColor.append(QRgb(0xff707070)); | ||||
| m_gradientStartColor = QColor(QRgb(0xffffffff)); | ||||
| m_gradientEndColor = QColor(QRgb(0xffafafaf)); | ||||
| } | ||||
|
Michal Klocek
|
r153 | ChartTheme* ChartTheme::createTheme(QChart::ChartTheme theme) | ||
|
Michal Klocek
|
r143 | { | ||
| switch(theme) { | ||||
| case QChart::ChartThemeDefault: | ||||
| return new ChartTheme(); | ||||
| case QChart::ChartThemeVanilla: | ||||
| return new ChartThemeVanilla(); | ||||
| case QChart::ChartThemeIcy: | ||||
| return new ChartThemeIcy(); | ||||
| case QChart::ChartThemeGrayscale: | ||||
| return new ChartThemeGrayscale(); | ||||
| case QChart::ChartThemeScientific: | ||||
| return new ChartThemeScientific(); | ||||
| } | ||||
| } | ||||
| void ChartTheme::decorate(QChart* chart) | ||||
| { | ||||
| QLinearGradient backgroundGradient; | ||||
| backgroundGradient.setColorAt(0.0, m_gradientStartColor); | ||||
| backgroundGradient.setColorAt(1.0, m_gradientEndColor); | ||||
| backgroundGradient.setCoordinateMode(QGradient::ObjectBoundingMode); | ||||
| chart->setChartBackgroundBrush(backgroundGradient); | ||||
| } | ||||
| //TODO helper to by removed later | ||||
| void ChartTheme::decorate(ChartItem* item, QChartSeries* series,int count) | ||||
| { | ||||
| switch(series->type()) | ||||
| { | ||||
| case QChartSeries::SeriesTypeLine: { | ||||
|
Michal Klocek
|
r145 | QLineChartSeries* s = static_cast<QLineChartSeries*>(series); | ||
| LineChartItem* i = static_cast<LineChartItem*>(item); | ||||
|
Michal Klocek
|
r143 | decorate(i,s,count); | ||
| break; | ||||
| } | ||||
| case QChartSeries::SeriesTypeBar: { | ||||
|
sauimone
|
r216 | QBarChartSeries* b = static_cast<QBarChartSeries*>(series); | ||
| BarPresenter* i = static_cast<BarPresenter*>(item); | ||||
|
Michal Klocek
|
r143 | decorate(i,b,count); | ||
| break; | ||||
| } | ||||
| case QChartSeries::SeriesTypeStackedBar: { | ||||
|
sauimone
|
r216 | QStackedBarChartSeries* s = static_cast<QStackedBarChartSeries*>(series); | ||
| StackedBarPresenter* i = static_cast<StackedBarPresenter*>(item); | ||||
|
Michal Klocek
|
r143 | decorate(i,s,count); | ||
| break; | ||||
| } | ||||
| case QChartSeries::SeriesTypePercentBar: { | ||||
|
sauimone
|
r216 | QPercentBarChartSeries* s = static_cast<QPercentBarChartSeries*>(series); | ||
| PercentBarPresenter* i = static_cast<PercentBarPresenter*>(item); | ||||
|
Michal Klocek
|
r143 | decorate(i,s,count); | ||
| break; | ||||
| } | ||||
|
Tero Ahola
|
r195 | case QChartSeries::SeriesTypeScatter: { | ||
| QScatterSeries* s = qobject_cast<QScatterSeries*>(series); | ||||
| Q_ASSERT(s); | ||||
| ScatterPresenter* i = static_cast<ScatterPresenter*>(item); | ||||
| Q_ASSERT(i); | ||||
| decorate(i, s, count); | ||||
| break; | ||||
| } | ||||
|
Jani Honkonen
|
r163 | case QChartSeries::SeriesTypePie: { | ||
| QPieSeries* s = static_cast<QPieSeries*>(series); | ||||
| PiePresenter* i = static_cast<PiePresenter*>(item); | ||||
| decorate(i,s,count); | ||||
| break; | ||||
| } | ||||
|
Michal Klocek
|
r143 | default: | ||
| qDebug()<<"Wrong item to be decorated by theme"; | ||||
|
Tero Ahola
|
r103 | break; | ||
| } | ||||
|
Michal Klocek
|
r143 | |||
|
Tero Ahola
|
r103 | } | ||
|
Michal Klocek
|
r145 | void ChartTheme::decorate(LineChartItem* item, QLineChartSeries* series,int count) | ||
|
Tero Ahola
|
r103 | { | ||
|
Michal Klocek
|
r152 | QPen pen; | ||
| if(pen != series->pen()){ | ||||
| item->setPen(series->pen()); | ||||
| return; | ||||
| } | ||||
| pen.setColor(m_seriesColor.at(count%m_seriesColor.size())); | ||||
| pen.setWidthF(2); | ||||
| item->setPen(pen); | ||||
|
Tero Ahola
|
r103 | } | ||
|
sauimone
|
r216 | void ChartTheme::decorate(BarPresenter* item, QBarChartSeries* series,int count) | ||
|
Tero Ahola
|
r108 | { | ||
|
sauimone
|
r214 | for (int i=0; i<series->countSets(); i++) { | ||
| series->nextSet(0==i)->setBrush(QBrush(m_seriesColor.at(i%m_seriesColor.count()))); | ||||
|
sauimone
|
r164 | } | ||
|
Tero Ahola
|
r108 | } | ||
|
sauimone
|
r216 | void ChartTheme::decorate(StackedBarPresenter* item, QStackedBarChartSeries* series,int count) | ||
|
Tero Ahola
|
r103 | { | ||
|
sauimone
|
r214 | for (int i=0; i<series->countSets(); i++) { | ||
| series->nextSet(0==i)->setBrush(QBrush(m_seriesColor.at(i%m_seriesColor.count()))); | ||||
|
sauimone
|
r164 | } | ||
|
Tero Ahola
|
r103 | } | ||
|
sauimone
|
r216 | void ChartTheme::decorate(PercentBarPresenter* item, QPercentBarChartSeries* series,int count) | ||
|
Michal Klocek
|
r143 | { | ||
|
sauimone
|
r214 | for (int i=0; i<series->countSets(); i++) { | ||
| series->nextSet(0==i)->setBrush(QBrush(m_seriesColor.at(i%m_seriesColor.count()))); | ||||
|
sauimone
|
r164 | } | ||
|
Michal Klocek
|
r143 | } | ||
|
Tero Ahola
|
r103 | |||
|
Tero Ahola
|
r182 | void ChartTheme::decorate(ScatterPresenter* presenter, QScatterSeries* series, int count) | ||
| { | ||||
| Q_ASSERT(presenter); | ||||
| Q_ASSERT(series); | ||||
|
Tero Ahola
|
r195 | QColor color = m_seriesColor.at(count % m_seriesColor.size()); | ||
| // TODO: define alpha in the theme? or in the series? | ||||
|
Tero Ahola
|
r278 | //color.setAlpha(120); | ||
|
Tero Ahola
|
r195 | |||
| QBrush brush(color, Qt::SolidPattern); | ||||
| presenter->m_markerBrush = brush; | ||||
|
Tero Ahola
|
r182 | |||
|
Tero Ahola
|
r278 | QPen pen(brush, 3); | ||
|
Tero Ahola
|
r195 | pen.setColor(color); | ||
| presenter->m_markerPen = pen; | ||||
|
Tero Ahola
|
r182 | } | ||
|
Jani Honkonen
|
r163 | void ChartTheme::decorate(PiePresenter* item, QPieSeries* series, int /*count*/) | ||
| { | ||||
|
Jani Honkonen
|
r166 | // create a list of slice colors based on current theme | ||
| int i = 0; | ||||
| QList<QColor> colors; | ||||
| while (colors.count() < series->count()) { | ||||
| // get base color | ||||
| QColor c = m_seriesColor[i++]; | ||||
| i = i % m_seriesColor.count(); | ||||
| // -1 means achromatic color -> cannot manipulate lightness | ||||
| // TODO: find a better way to randomize lightness | ||||
| if (c.toHsv().hue() == -1) | ||||
| qWarning() << "ChartTheme::decorate() warning: achromatic theme color"; | ||||
| // randomize lightness | ||||
| qreal f = 50 + (qrand() % 100); // 50 is 50% darker, 100 is the same, 150 is 50% lighter | ||||
| c = c.lighter(f); | ||||
| // find duplicates | ||||
| bool isUnique = true; | ||||
| foreach (QColor color, colors) { | ||||
| if (c == color) | ||||
| isUnique = false; | ||||
| } | ||||
| // add to array if unique | ||||
| //if (isUnique) | ||||
| colors << c; | ||||
| } | ||||
| // finally update colors | ||||
|
Jani Honkonen
|
r203 | foreach (QPieSlice* s, series->slices()) { | ||
| s->setPen(QPen(Qt::black)); // TODO: get from theme | ||||
| s->setBrush(colors.takeFirst()); | ||||
|
Jani Honkonen
|
r163 | } | ||
| } | ||||
|
Tero Ahola
|
r103 | |||
|
Michal Klocek
|
r223 | void ChartTheme::decorate(QChartAxis* axis,AxisItem* item) | ||
|
Michal Klocek
|
r176 | { | ||
| //TODO: dummy defults for now | ||||
|
Michal Klocek
|
r223 | axis->setLabelsBrush(Qt::black); | ||
| axis->setLabelsPen(Qt::NoPen); | ||||
| axis->setShadesPen(Qt::NoPen); | ||||
| axis->setShadesOpacity(0.5); | ||||
|
Michal Klocek
|
r176 | } | ||
|
Tero Ahola
|
r103 | QTCOMMERCIALCHART_END_NAMESPACE | ||