void ColorChooser::showCurrentHistogram()
{
dividerLower->setVisible(m_discretizeMethod != DiscretizeNone);
dividerUpper->setVisible(m_discretizeMethod != DiscretizeNone);
refreshHistogram(&intensityHistogram, DiscretizeIntensity);
refreshHistogram(&foregroundHistogram, DiscretizeForeground);
refreshHistogram(&hueHistogram, DiscretizeHue);
refreshHistogram(&saturationHistogram, DiscretizeSaturation);
refreshHistogram(&valueHistogram, DiscretizeValue);
}
QgsHistogramWidget::QgsHistogramWidget( QWidget *parent, QgsVectorLayer* layer, const QString& fieldOrExp )
: QWidget( parent )
, mRedrawRequired( true )
, mVectorLayer( layer )
, mSourceFieldExp( fieldOrExp )
{
setupUi( this );
mPlot = mpPlot;
// hide the ugly canvas frame
#if defined(QWT_VERSION) && QWT_VERSION>=0x060000
QFrame* plotCanvasFrame = dynamic_cast<QFrame*>( mpPlot->canvas() );
if ( plotCanvasFrame )
plotCanvasFrame->setFrameStyle( QFrame::NoFrame );
#else
mpPlot->canvas()->setFrameStyle( QFrame::NoFrame );
#endif
QSettings settings;
mMeanCheckBox->setChecked( settings.value( "/HistogramWidget/showMean", false ).toBool() );
mStdevCheckBox->setChecked( settings.value( "/HistogramWidget/showStdev", false ).toBool() );
connect( mBinsSpinBox, SIGNAL( valueChanged( int ) ), this, SLOT( refreshAndRedraw() ) );
connect( mMeanCheckBox, SIGNAL( toggled( bool ) ), this, SLOT( refreshAndRedraw() ) );
connect( mStdevCheckBox, SIGNAL( toggled( bool ) ), this, SLOT( refreshAndRedraw() ) );
mGridPen = QPen( QColor( 0, 0, 0, 40 ) );
mMeanPen = QPen( QColor( 10, 10, 10, 220 ) );
mMeanPen.setStyle( Qt::DashLine );
mStdevPen = QPen( QColor( 30, 30, 30, 200 ) );
mStdevPen.setStyle( Qt::DashLine );
if ( layer && !mSourceFieldExp.isEmpty() )
{
refreshHistogram();
}
}
void QgsHistogramWidget::refreshAndRedraw()
{
refreshHistogram();
drawHistogram();
}
