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Adaptive layout to legend. Tries to fit all items inside given maximum size
Adaptive layout to legend. Tries to fit all items inside given maximum size
Tero Ahola - - Load All Authors

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r615:91322882c9fd
r626:b05202e4f2ef
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charttheme.cpp
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/ src / charttheme.cpp
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Tero Ahola
Refactored themes; now enabled for line, scatter and pies...
 r103 #include "charttheme_p.h"
#include "qchart.h"
Tero Ahola
New theme with light colors, chartview background
 r584 #include "qchartview.h"
sauimone
background to legend, theme applies
 r540 #include "qlegend.h"
Michal Klocek
Adds more axis handling...
 r176 #include "qchartaxis.h"
Jani Honkonen
Fix color generation for pie
 r324 #include <QTime>
Tero Ahola
Refactored themes; now enabled for line, scatter and pies...
 r103
Michal Klocek
Refactor themes...
 r143 //series
sauimone
Added pen & brush to QBarSet
 r214 #include "qbarset.h"
sauimone
Naming convention change for barcharts. QBarChartSeries is now QBarSeries etc.
 r338 #include "qbarseries.h"
#include "qstackedbarseries.h"
#include "qpercentbarseries.h"
Michal Klocek
Rename QLineChartSeries to QLineSeries
 r349 #include "qlineseries.h"
Michal Klocek
Adds area chart...
 r421 #include "qareaseries.h"
Tero Ahola
Enabled theme colors in scatter again
 r182 #include "qscatterseries.h"
Jani Honkonen
Make pie work better with chartwidgettest
 r163 #include "qpieseries.h"
Jani Honkonen
Refactor pie (again). QPieSlice's now emit signals and no id's anymore. Just pointers in the interface.
 r203 #include "qpieslice.h"
Marek Rosa
Spline working somewhat
 r401 #include "qsplineseries.h"
Jani Honkonen
Make pie work better with chartwidgettest
 r163
Michal Klocek
Refactor themes...
 r143 //items
#include "axisitem_p.h"
sauimone
added _p to private class headers
 r381 #include "barpresenter_p.h"
#include "stackedbarpresenter_p.h"
#include "percentbarpresenter_p.h"
Michal Klocek
Fix previous broken commit
 r145 #include "linechartitem_p.h"
Michal Klocek
Adds area chart...
 r421 #include "areachartitem_p.h"
Michal Klocek
Refactor scatter chart to fit the other classes...
 r470 #include "scatterchartitem_p.h"
Jani Honkonen
Rename piepresenter -> piechartitem
 r568 #include "piechartitem_p.h"
Marek Rosa
Renamed SplinePresenter to SplineChartItem
 r460 #include "splinechartitem_p.h"
Tero Ahola
Refactored themes; now enabled for line, scatter and pies...
 r103
Michal Klocek
Refactor themes...
 r143 //themes
Jani Honkonen
Adding list of series gradients to theme.
 r494 #include "chartthemedefault_p.h"
Michal Klocek
Refactor themes...
 r143 #include "chartthemevanilla_p.h"
#include "chartthemeicy_p.h"
#include "chartthemegrayscale_p.h"
#include "chartthemescientific_p.h"
Tero Ahola
Added draft of dark blue theme
 r581 #include "chartthemebluecerulean_p.h"
Tero Ahola
New theme with light colors, chartview background
 r584 #include "chartthemelight_p.h"
Tero Ahola
Refactored themes; now enabled for line, scatter and pies...
 r103
Tero Ahola
tuning theme colors
 r125
Michal Klocek
Refactor themes...
 r143 QTCOMMERCIALCHART_BEGIN_NAMESPACE
Tero Ahola
Fonts and background of the themes...
 r614 ChartTheme::ChartTheme(QChart::ChartTheme id) :
m_masterFont(QFont()),
m_titleBrush(QColor(QRgb(0x000000))),
m_axisLinePen(QPen(QRgb(0x000000))),
m_axisLabelBrush(QColor(QRgb(0x000000))),
m_backgroundShadesPen(Qt::NoPen),
m_backgroundShadesBrush(Qt::NoBrush),
m_backgroundShades(BackgroundShadesNone),
m_gridLinePen(QPen(QRgb(0x000000)))
Michal Klocek
Refactor themes...
 r143 {
Michal Klocek
Adds missing ids to theme classes
 r153 m_id = id;
Jani Honkonen
Fix color generation for pie
 r324 qsrand(QTime(0,0,0).secsTo(QTime::currentTime()));
Michal Klocek
Refactor themes...
 r143 }
Michal Klocek
Adds missing ids to theme classes
 r153 ChartTheme* ChartTheme::createTheme(QChart::ChartTheme theme)
Michal Klocek
Refactor themes...
 r143 {
switch(theme) {
case QChart::ChartThemeVanilla:
return new ChartThemeVanilla();
case QChart::ChartThemeIcy:
return new ChartThemeIcy();
case QChart::ChartThemeGrayscale:
return new ChartThemeGrayscale();
case QChart::ChartThemeScientific:
return new ChartThemeScientific();
Tero Ahola
Added draft of dark blue theme
 r581 case QChart::ChartThemeBlueCerulean:
return new ChartThemeBlueCerulean();
Tero Ahola
New theme with light colors, chartview background
 r584 case QChart::ChartThemeLight:
return new ChartThemeLight();
Jani Honkonen
Adding list of series gradients to theme.
 r494 default:
return new ChartThemeDefault();
Michal Klocek
Refactor themes...
 r143 }
}
void ChartTheme::decorate(QChart* chart)
{
Tero Ahola
New theme with light colors, chartview background
 r584 if (m_backgroundShades == BackgroundShadesNone) {
chart->setChartBackgroundBrush(m_chartBackgroundGradient);
} else {
Tero Ahola
Added draft of dark blue theme
 r581 chart->setChartBackgroundBrush(Qt::NoBrush);
Tero Ahola
New theme with light colors, chartview background
 r584 }
Tero Ahola
Commented out legend temporarily (crashes for some reason)
 r549 chart->setChartTitleFont(m_masterFont);
Tero Ahola
Fonts and background of the themes...
 r614 chart->setChartTitleBrush(m_titleBrush);
Michal Klocek
Refactor themes...
 r143 }
sauimone
background to legend, theme applies
 r540 void ChartTheme::decorate(QLegend* legend)
{
Tero Ahola
New theme with light colors, chartview background
 r584 legend->setBackgroundBrush(m_chartBackgroundGradient);
sauimone
background to legend, theme applies
 r540 }
Michal Klocek
Fix theme decoration calls on all xyseries
 r562 void ChartTheme::decorate(QAreaSeries* series, int index)
Michal Klocek
Adds area chart...
 r421 {
Tero Ahola
Theme change now affects also XY series
 r615 QPen pen(colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1.0));
pen.setWidthF(2);
series->setPen(pen);
Michal Klocek
Adds area chart...
 r421
Tero Ahola
Theme change now affects also XY series
 r615 QBrush brush(m_seriesColors.at(index % m_seriesColors.size()));
series->setBrush(brush);
Michal Klocek
Adds area chart...
 r421 }
Michal Klocek
Fix theme decoration calls on all xyseries
 r562 void ChartTheme::decorate(QLineSeries* series,int index)
Tero Ahola
Refactored themes; now enabled for line, scatter and pies...
 r103 {
Tero Ahola
Theme change now affects also XY series
 r615 QPen pen(m_seriesColors.at(index%m_seriesColors.size()));
pen.setWidthF(2);
series->setPen(pen);
Tero Ahola
Refactored themes; now enabled for line, scatter and pies...
 r103 }
Tero Ahola
Squashed bunch of warnings
 r611 void ChartTheme::decorate(QBarSeries* series,int index)
Tero Ahola
One more alternative for changing themes
 r108 {
sauimone
review fix: Removed iterator from barseries. Remove const from brush and pen. Renamed setters for tooltip, floating values and separators
 r357 QList<QBarSet*> sets = series->barSets();
sauimone
Using new theme in barcharts
 r509 for (int i=0; i<sets.count(); i++) {
Tero Ahola
Modified scientific theme
 r523 qreal pos = 0.5;
if (sets.count() > 1)
pos = (qreal) i / (qreal) (sets.count() - 1);
Tero Ahola
Fixed bug with changing theme when several series exist
 r538 QColor c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), pos);
sauimone
Using new theme in barcharts
 r509 sets.at(i)->setBrush(QBrush(c));
sauimone
better use of gradients in barcharts
 r512
// Pick label color as far as possible from bar color (within gradient).
// 0.3 is magic number that was picked as value that gave enough contrast with icy theme gradient :)
// TODO: better picking of label color?
if (pos < 0.3) {
Tero Ahola
Fixed bug with changing theme when several series exist
 r538 c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1);
sauimone
better use of gradients in barcharts
 r512 } else {
Tero Ahola
Fixed bug with changing theme when several series exist
 r538 c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 0);
sauimone
better use of gradients in barcharts
 r512 }
sets.at(i)->setFloatingValuePen(QPen(c));
sauimone
integrating bar charts to test app.. crashes for now
 r164 }
Tero Ahola
One more alternative for changing themes
 r108 }
Tero Ahola
Squashed bunch of warnings
 r611 void ChartTheme::decorate(QStackedBarSeries* series,int index)
Tero Ahola
Refactored themes; now enabled for line, scatter and pies...
 r103 {
sauimone
review fix: Removed iterator from barseries. Remove const from brush and pen. Renamed setters for tooltip, floating values and separators
 r357 QList<QBarSet*> sets = series->barSets();
sauimone
Using new theme in barcharts
 r509 for (int i=0; i<sets.count(); i++) {
Tero Ahola
Modified scientific theme
 r523 qreal pos = 0.5;
if (sets.count() > 1)
pos = (qreal) i / (qreal) (sets.count() - 1);
Tero Ahola
Fixed bug with changing theme when several series exist
 r538 QColor c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), pos);
sauimone
Using new theme in barcharts
 r509 sets.at(i)->setBrush(QBrush(c));
sauimone
better use of gradients in barcharts
 r512
if (pos < 0.3) {
Tero Ahola
Fixed bug with changing theme when several series exist
 r538 c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1);
sauimone
better use of gradients in barcharts
 r512 } else {
Tero Ahola
Fixed bug with changing theme when several series exist
 r538 c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 0);
sauimone
better use of gradients in barcharts
 r512 }
sets.at(i)->setFloatingValuePen(QPen(c));
sauimone
integrating bar charts to test app.. crashes for now
 r164 }
Tero Ahola
Refactored themes; now enabled for line, scatter and pies...
 r103 }
Tero Ahola
Squashed bunch of warnings
 r611 void ChartTheme::decorate(QPercentBarSeries* series,int index)
Michal Klocek
Refactor themes...
 r143 {
sauimone
review fix: Removed iterator from barseries. Remove const from brush and pen. Renamed setters for tooltip, floating values and separators
 r357 QList<QBarSet*> sets = series->barSets();
sauimone
Using new theme in barcharts
 r509 for (int i=0; i<sets.count(); i++) {
Tero Ahola
Modified scientific theme
 r523 qreal pos = 0.5;
if (sets.count() > 1)
pos = (qreal) i / (qreal) (sets.count() - 1);
Tero Ahola
Fixed bug with changing theme when several series exist
 r538 QColor c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), pos);
sauimone
Using new theme in barcharts
 r509 sets.at(i)->setBrush(QBrush(c));
sauimone
better use of gradients in barcharts
 r512
if (pos < 0.3) {
Tero Ahola
Fixed bug with changing theme when several series exist
 r538 c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1);
sauimone
better use of gradients in barcharts
 r512 } else {
Tero Ahola
Fixed bug with changing theme when several series exist
 r538 c = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 0);
sauimone
better use of gradients in barcharts
 r512 }
sets.at(i)->setFloatingValuePen(QPen(c));
sauimone
integrating bar charts to test app.. crashes for now
 r164 }
Michal Klocek
Refactor themes...
 r143 }
Tero Ahola
Refactored themes; now enabled for line, scatter and pies...
 r103
Michal Klocek
Fix theme decoration calls on all xyseries
 r562 void ChartTheme::decorate(QScatterSeries* series, int index)
Tero Ahola
Enabled theme colors in scatter again
 r182 {
Tero Ahola
Theme change now affects also XY series
 r615 QPen pen(colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 1.0));
pen.setWidthF(2);
series->setPen(pen);
Tero Ahola
Enabled theme colors in scatter again
 r182
Tero Ahola
Theme change now affects also XY series
 r615 QBrush brush(m_seriesColors.at(index % m_seriesColors.size()));
series->setBrush(brush);
Tero Ahola
Enabled theme colors in scatter again
 r182 }
Tero Ahola
Squashed bunch of warnings
 r611 void ChartTheme::decorate(QPieSeries* series, int index)
Jani Honkonen
Make pie work better with chartwidgettest
 r163 {
Tero Ahola
Theme gradients now generated from a single base color
 r507 // Get color for a slice from a gradient linearly, beginning from the start of the gradient
for (int i(0); i < series->slices().count(); i++) {
qreal pos = (qreal) i / (qreal) series->count();
Tero Ahola
Fixed bug with changing theme when several series exist
 r538 QColor penColor = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), 0.1);
Tero Ahola
Pie pen now uses gradient start color
 r510 series->slices().at(i)->setSlicePen(penColor);
Tero Ahola
Fixed bug with changing theme when several series exist
 r538 QColor brushColor = colorAt(m_seriesGradients.at(index % m_seriesGradients.size()), pos);
Tero Ahola
Pie pen now uses gradient start color
 r510 series->slices().at(i)->setSliceBrush(brushColor);
Jani Honkonen
Make pie work better with chartwidgettest
 r163 }
}
Michal Klocek
Fix theme decoration calls on all xyseries
 r562 void ChartTheme::decorate(QSplineSeries* series, int index)
Marek Rosa
Spline working somewhat
 r401 {
Tero Ahola
Theme change now affects also XY series
 r615 QPen pen(m_seriesColors.at(index%m_seriesColors.size()));
pen.setWidthF(2);
series->setPen(pen);
Marek Rosa
Spline working somewhat
 r401 }
Michal Klocek
Fix theme decoration calls on all xyseries
 r562 void ChartTheme::decorate(QChartAxis* axis,bool axisX)
Tero Ahola
Added axis related modifiers to theme
 r548 {
if (axis->isAxisVisible()) {
axis->setLabelsBrush(m_axisLabelBrush);
Tero Ahola
Fonts and background of the themes...
 r614 axis->setLabelsPen(Qt::NoPen); // NoPen for performance reasons
Tero Ahola
Added axis related modifiers to theme
 r548 if (m_backgroundShades == BackgroundShadesBoth
Michal Klocek
Fix theme decoration calls on all xyseries
 r562 || (m_backgroundShades == BackgroundShadesVertical && axisX)
|| (m_backgroundShades == BackgroundShadesHorizontal && !axisX)) {
Tero Ahola
Added axis related modifiers to theme
 r548 axis->setShadesPen(m_backgroundShadesPen);
axis->setShadesBrush(m_backgroundShadesBrush);
} else {
// The shades not supposed to be shown for this axis, clear possible brush and pen
axis->setShadesPen(Qt::NoPen);
axis->setShadesBrush(Qt::NoBrush);
}
axis->setAxisPen(m_axisLinePen);
axis->setGridLinePen(m_gridLinePen);
axis->setLabelsFont(m_masterFont);
}
}
Tero Ahola
Theme gradients now generated from a single base color
 r507 void ChartTheme::generateSeriesGradients()
{
// Generate gradients in HSV color space
foreach (QColor color, m_seriesColors) {
QLinearGradient g;
qreal h = color.hsvHueF();
qreal s = color.hsvSaturationF();
// TODO: tune the algorithm to give nice results with most base colors defined in
// most themes. The rest of the gradients we can define manually in theme specific
// implementation.
QColor start = color;
start.setHsvF(h, 0.05, 0.95);
g.setColorAt(0.0, start);
g.setColorAt(0.5, color);
QColor end = color;
end.setHsvF(h, s, 0.25);
g.setColorAt(1.0, end);
m_seriesGradients << g;
}
}
Jani Honkonen
Adding list of series gradients to theme.
 r494 QColor ChartTheme::colorAt(const QColor &start, const QColor &end, qreal pos)
{
Q_ASSERT(pos >=0.0 && pos <= 1.0);
qreal r = start.redF() + ((end.redF() - start.redF()) * pos);
qreal g = start.greenF() + ((end.greenF() - start.greenF()) * pos);
qreal b = start.blueF() + ((end.blueF() - start.blueF()) * pos);
QColor c;
c.setRgbF(r, g, b);
return c;
}
QColor ChartTheme::colorAt(const QGradient &gradient, qreal pos)
{
Q_ASSERT(pos >=0 && pos <= 1.0);
// another possibility:
// http://stackoverflow.com/questions/3306786/get-intermediate-color-from-a-gradient
QGradientStops stops = gradient.stops();
int count = stops.count();
// find previous stop relative to position
QGradientStop prev = stops.first();
for (int i=0; i<count; i++) {
QGradientStop stop = stops.at(i);
if (pos > stop.first)
prev = stop;
// given position is actually a stop position?
if (pos == stop.first) {
//qDebug() << "stop color" << pos;
return stop.second;
}
}
// find next stop relative to position
QGradientStop next = stops.last();
for (int i=count-1; i>=0; i--) {
QGradientStop stop = stops.at(i);
if (pos < stop.first)
next = stop;
}
//qDebug() << "prev" << prev.first << "pos" << pos << "next" << next.first;
qreal range = next.first - prev.first;
qreal posDelta = pos - prev.first;
qreal relativePos = posDelta / range;
//qDebug() << "range" << range << "posDelta" << posDelta << "relativePos" << relativePos;
return colorAt(prev.second, next.second, relativePos);
}
Tero Ahola
Refactored themes; now enabled for line, scatter and pies...
 r103 QTCOMMERCIALCHART_END_NAMESPACE