void QgsQuickPrint::scaleTextLabels( int theScaleFactor, SymbolScalingType theDirection )
{
if ( 0 >= theScaleFactor )
{
QgsDebugMsg( "invalid scale factor" );
return;
}
QStringList myLayerSet = mpMapRenderer->layerSet();
QStringListIterator myLayerIterator( myLayerSet );
while ( myLayerIterator.hasNext() )
{
QString myLayerId = myLayerIterator.next();
QgsDebugMsg( "Scaling text labels for print for " + myLayerId );
QgsMapLayer * mypLayer =
QgsMapLayerRegistry::instance()->mapLayer( myLayerId );
if ( mypLayer )
{
QgsVectorLayer *mypVectorLayer =
qobject_cast<QgsVectorLayer *>( mypLayer );
if ( mypVectorLayer )
{
QgsLabel * mypLabel = mypVectorLayer->label();
QgsLabelAttributes * mypLabelAttributes = mypLabel->labelAttributes();
if ( theDirection == ScaleUp )
{
mypLabelAttributes->setSize(
mypLabelAttributes->size() * theScaleFactor,
mypLabelAttributes->sizeType() );
}
else //scale down
{
mypLabelAttributes->setSize(
mypLabelAttributes->size() / theScaleFactor,
mypLabelAttributes->sizeType() );
}
} //if vectorlayer
} //if maplayer
} //layer iterator
}
void QgsLabelDialog::apply()
{
QgsDebugMsg( "entering." );
//set the label props that are NOT bound to a field in the attributes tbl
//All of these are set in the labelAttributes member of the layer
QgsLabelAttributes * myLabelAttributes = mLabel->labelAttributes();
myLabelAttributes->setText( leDefaultLabel->text() );
myLabelAttributes->setFamily( mFont.family() );
int myTypeInt = cboFontSizeUnits->currentIndex() == 0 ? QgsLabelAttributes::PointUnits : QgsLabelAttributes::MapUnits;
myLabelAttributes->setSize( mFont.pointSizeF(), myTypeInt );
myLabelAttributes->setBold( mFont.bold() );
myLabelAttributes->setItalic( mFont.italic() );
myLabelAttributes->setUnderline( mFont.underline() );
myLabelAttributes->setStrikeOut( mFont.strikeOut() );
myLabelAttributes->setColor( mFontColor );
myTypeInt = cboOffsetUnits->currentIndex() == 0 ? QgsLabelAttributes::PointUnits : QgsLabelAttributes::MapUnits;
myLabelAttributes->setOffset( spinXOffset->value(), spinYOffset->value(), myTypeInt );
myLabelAttributes->setAutoAngle( spinAngle->value() == -1 );
myLabelAttributes->setAngle( spinAngle->value() );
//the values here may seem a bit counterintuitive - basically everything
//is the reverse of the way you think it should be...
//TODO investigate in QgsLabel why this needs to be the case
if ( radioAboveLeft->isChecked() ) myLabelAttributes->setAlignment( Qt::AlignRight | Qt::AlignBottom );
if ( radioBelowLeft->isChecked() ) myLabelAttributes->setAlignment( Qt::AlignRight | Qt::AlignTop );
if ( radioAboveRight->isChecked() ) myLabelAttributes->setAlignment( Qt::AlignLeft | Qt::AlignBottom );
if ( radioBelowRight->isChecked() ) myLabelAttributes->setAlignment( Qt::AlignLeft | Qt::AlignTop );
if ( radioLeft->isChecked() ) myLabelAttributes->setAlignment( Qt::AlignRight | Qt::AlignVCenter );
if ( radioRight->isChecked() ) myLabelAttributes->setAlignment( Qt::AlignLeft | Qt::AlignVCenter );
if ( radioAbove->isChecked() ) myLabelAttributes->setAlignment( Qt::AlignBottom | Qt::AlignHCenter );
if ( radioBelow->isChecked() ) myLabelAttributes->setAlignment( Qt::AlignTop | Qt::AlignHCenter );
if ( radioOver->isChecked() ) myLabelAttributes->setAlignment( Qt::AlignCenter );
myLabelAttributes->setMultilineEnabled( chkUseMultiline->isChecked() );
myLabelAttributes->setSelectedOnly( chkSelectedOnly->isChecked() );
myLabelAttributes->setBufferEnabled( chkUseBuffer->isChecked() );
myLabelAttributes->setBufferColor( mBufferColor );
myTypeInt = cboBufferSizeUnits->currentIndex() == 0 ? QgsLabelAttributes::PointUnits : QgsLabelAttributes::MapUnits;
myLabelAttributes->setBufferSize( spinBufferSize->value(), myTypeInt );
//TODO - transparency attributes for buffers
//set the label props that are data bound to a field in the attributes tbl
mLabel->setLabelField( QgsLabel::Text, fieldIndexFromName( cboLabelField->currentText() ) );
mLabel->setLabelField( QgsLabel::Family, fieldIndexFromName( cboFontField->currentText() ) );
mLabel->setLabelField( QgsLabel::Bold, fieldIndexFromName( cboBoldField->currentText() ) );
mLabel->setLabelField( QgsLabel::Italic, fieldIndexFromName( cboItalicField->currentText() ) );
mLabel->setLabelField( QgsLabel::Underline, fieldIndexFromName( cboUnderlineField->currentText() ) );
mLabel->setLabelField( QgsLabel::StrikeOut, fieldIndexFromName( cboStrikeOutField->currentText() ) );
mLabel->setLabelField( QgsLabel::Size, fieldIndexFromName( cboFontSizeField->currentText() ) );
mLabel->setLabelField( QgsLabel::SizeType, fieldIndexFromName( cboFontSizeTypeField->currentText() ) );
mLabel->setLabelField( QgsLabel::Color, fieldIndexFromName( cboFontColorField->currentText() ) );
mLabel->setLabelField( QgsLabel::BufferSize, fieldIndexFromName( cboBufferSizeField->currentText() ) );
//mLabel->setLabelField( QgsLabel::BufferTransparency, cboBufferTransparencyField->currentText() );
mLabel->setLabelField( QgsLabel::XCoordinate, fieldIndexFromName( cboXCoordinateField->currentText() ) );
mLabel->setLabelField( QgsLabel::YCoordinate, fieldIndexFromName( cboYCoordinateField->currentText() ) );
mLabel->setLabelField( QgsLabel::XOffset, fieldIndexFromName( cboXOffsetField->currentText() ) );
mLabel->setLabelField( QgsLabel::YOffset, fieldIndexFromName( cboYOffsetField->currentText() ) );
mLabel->setLabelField( QgsLabel::Alignment, fieldIndexFromName( cboAlignmentField->currentText() ) );
mLabel->setLabelField( QgsLabel::Angle, fieldIndexFromName( cboAngleField->currentText() ) );
// set up the scale based layer visibility stuff....
mLabel->setScaleBasedVisibility( chkUseScaleDependentRendering->isChecked() );
mLabel->setMinScale( leMinimumScale->text().toFloat() );
mLabel->setMaxScale( leMaximumScale->text().toFloat() );
}