void QgsComposerLegend::paint( QPainter* painter, const QStyleOptionGraphicsItem* itemStyle, QWidget* pWidget )
{
Q_UNUSED( itemStyle );
Q_UNUSED( pWidget );
if ( mComposition )
mSettings.setUseAdvancedEffects( mComposition->useAdvancedEffects() );
if ( mComposerMap )
mSettings.setMmPerMapUnit( mComposerMap->mapUnitsToMM() );
if ( !painter )
return;
drawBackground( painter );
painter->save();
//antialiasing on
painter->setRenderHint( QPainter::Antialiasing, true );
painter->setPen( QPen( QColor( 0, 0, 0 ) ) );
QgsLegendRenderer legendRenderer( &mLegendModel, mSettings );
legendRenderer.setLegendSize( rect().size() );
legendRenderer.drawLegend( painter );
painter->restore();
//draw frame and selection boxes if necessary
drawFrame( painter );
if ( isSelected() )
{
drawSelectionBoxes( painter );
}
}
QSizeF QgsComposerLegend::paintAndDetermineSize( QPainter* painter )
{
QgsLegendRenderer legendRenderer( &mLegendModel, mSettings );
QSizeF size = legendRenderer.minimumSize();
if ( !painter )
legendRenderer.drawLegend( painter );
return size;
}
void QgsComposerLegend::adjustBoxSize()
{
QgsLegendRenderer legendRenderer( &mLegendModel, mSettings );
QSizeF size = legendRenderer.minimumSize();
QgsDebugMsg( QString( "width = %1 height = %2" ).arg( size.width() ).arg( size.height() ) );
if ( size.isValid() )
{
setSceneRect( QRectF( pos().x(), pos().y(), size.width(), size.height() ) );
}
}
void QgsComposerLegend::adjustBoxSize()
{
QgsLegendRenderer legendRenderer( mLegendModel2, mSettings );
QSizeF size = legendRenderer.minimumSize();
QgsDebugMsg( QString( "width = %1 height = %2" ).arg( size.width() ).arg( size.height() ) );
if ( size.isValid() )
{
QRectF targetRect = QRectF( pos().x(), pos().y(), size.width(), size.height() );
//set new rect, respecting position mode and data defined size/position
setSceneRect( evalItemRect( targetRect, true ) );
}
}
QSizeF QgsComposerLegend::paintAndDetermineSize( QPainter *painter )
{
if ( mFilterAskedForUpdate )
{
mFilterAskedForUpdate = false;
doUpdateFilterByMap();
}
QgsLegendRenderer legendRenderer( mLegendModel.get(), mSettings );
QSizeF size = legendRenderer.minimumSize();
if ( painter )
legendRenderer.drawLegend( painter );
return size;
}
void QgsComposerLegend::paint( QPainter* painter, const QStyleOptionGraphicsItem* itemStyle, QWidget* pWidget )
{
Q_UNUSED( itemStyle );
Q_UNUSED( pWidget );
if ( !painter )
return;
int dpi = painter->device()->logicalDpiX();
double dotsPerMM = dpi / 25.4;
if ( mComposition )
{
mSettings.setUseAdvancedEffects( mComposition->useAdvancedEffects() );
mSettings.setDpi( dpi );
}
if ( mComposerMap )
{
mSettings.setMmPerMapUnit( mComposerMap->mapUnitsToMM() );
// use a temporary QgsMapSettings to find out real map scale
QgsMapSettings ms = mComposerMap->composition()->mapSettings();
ms.setOutputSize( QSizeF( mComposerMap->rect().width() * dotsPerMM, mComposerMap->rect().height() * dotsPerMM ).toSize() );
ms.setExtent( *mComposerMap->currentMapExtent() );
ms.setOutputDpi( dpi );
mSettings.setMapScale( ms.scale() );
}
drawBackground( painter );
painter->save();
//antialiasing on
painter->setRenderHint( QPainter::Antialiasing, true );
painter->setPen( QPen( QColor( 0, 0, 0 ) ) );
QgsLegendRenderer legendRenderer( mLegendModel2, mSettings );
legendRenderer.setLegendSize( rect().size() );
legendRenderer.drawLegend( painter );
painter->restore();
//draw frame and selection boxes if necessary
drawFrame( painter );
if ( isSelected() )
{
drawSelectionBoxes( painter );
}
}
void QgsComposerLegend::adjustBoxSize()
{
if ( !mSizeToContents )
return;
if ( !mInitialMapScaleCalculated )
{
// this is messy - but until we have painted the item we have no knowledge of the current DPI
// and so cannot correctly calculate the map scale. This results in incorrect size calculations
// for marker symbols with size in map units, causing the legends to initially expand to huge
// sizes if we attempt to calculate the box size first.
return;
}
QgsLegendRenderer legendRenderer( mLegendModel.get(), mSettings );
QSizeF size = legendRenderer.minimumSize();
QgsDebugMsg( QString( "width = %1 height = %2" ).arg( size.width() ).arg( size.height() ) );
if ( size.isValid() )
{
QRectF targetRect = QRectF( pos().x(), pos().y(), size.width(), size.height() );
//set new rect, respecting position mode and data defined size/position
setSceneRect( evalItemRect( targetRect, true ) );
}
}
void QgsLayoutItemLegend::adjustBoxSize()
{
if ( !mSizeToContents )
return;
if ( !mInitialMapScaleCalculated )
{
// this is messy - but until we have painted the item we have no knowledge of the current DPI
// and so cannot correctly calculate the map scale. This results in incorrect size calculations
// for marker symbols with size in map units, causing the legends to initially expand to huge
// sizes if we attempt to calculate the box size first.
return;
}
QgsLegendRenderer legendRenderer( mLegendModel.get(), mSettings );
QSizeF size = legendRenderer.minimumSize();
QgsDebugMsg( QStringLiteral( "width = %1 height = %2" ).arg( size.width() ).arg( size.height() ) );
if ( size.isValid() )
{
QgsLayoutSize newSize = mLayout->convertFromLayoutUnits( size, sizeWithUnits().units() );
//set new rect, respecting position mode and data defined size/position
attemptResize( newSize );
}
}
void QgsLayoutItemLegend::draw( QgsLayoutItemRenderContext &context )
{
QPainter *painter = context.renderContext().painter();
painter->save();
// painter is scaled to dots, so scale back to layout units
painter->scale( context.renderContext().scaleFactor(), context.renderContext().scaleFactor() );
painter->setPen( QPen( QColor( 0, 0, 0 ) ) );
if ( !mSizeToContents )
{
// set a clip region to crop out parts of legend which don't fit
QRectF thisPaintRect = QRectF( 0, 0, rect().width(), rect().height() );
painter->setClipRect( thisPaintRect );
}
QgsLegendRenderer legendRenderer( mLegendModel.get(), mSettings );
legendRenderer.setLegendSize( mSizeToContents ? QSize() : rect().size() );
legendRenderer.drawLegend( painter );
painter->restore();
}
void QgsComposerLegend::paint( QPainter *painter, const QStyleOptionGraphicsItem *itemStyle, QWidget *pWidget )
{
Q_UNUSED( itemStyle );
Q_UNUSED( pWidget );
if ( !painter )
return;
if ( !shouldDrawItem() )
{
return;
}
if ( mFilterAskedForUpdate )
{
mFilterAskedForUpdate = false;
doUpdateFilterByMap();
}
int dpi = painter->device()->logicalDpiX();
double dotsPerMM = dpi / 25.4;
if ( mComposition )
{
mSettings.setUseAdvancedEffects( mComposition->useAdvancedEffects() );
mSettings.setDpi( dpi );
}
if ( mComposerMap )
{
mSettings.setMmPerMapUnit( mComposerMap->mapUnitsToMM() );
// use a temporary QgsMapSettings to find out real map scale
QSizeF mapSizePixels = QSizeF( mComposerMap->rect().width() * dotsPerMM, mComposerMap->rect().height() * dotsPerMM );
QgsRectangle mapExtent = *mComposerMap->currentMapExtent();
QgsMapSettings ms = mComposerMap->mapSettings( mapExtent, mapSizePixels, dpi );
mSettings.setMapScale( ms.scale() );
}
mInitialMapScaleCalculated = true;
QgsLegendRenderer legendRenderer( mLegendModel.get(), mSettings );
legendRenderer.setLegendSize( mForceResize && mSizeToContents ? QSize() : rect().size() );
//adjust box if width or height is too small
if ( mSizeToContents )
{
QSizeF size = legendRenderer.minimumSize();
if ( mForceResize )
{
mForceResize = false;
//set new rect, respecting position mode and data defined size/position
QRectF targetRect = QRectF( pos().x(), pos().y(), size.width(), size.height() );
setSceneRect( evalItemRect( targetRect, true ) );
}
else if ( size.height() > rect().height() || size.width() > rect().width() )
{
//need to resize box
QRectF targetRect = QRectF( pos().x(), pos().y(), rect().width(), rect().height() );
if ( size.height() > targetRect.height() )
targetRect.setHeight( size.height() );
if ( size.width() > rect().width() )
targetRect.setWidth( size.width() );
//set new rect, respecting position mode and data defined size/position
setSceneRect( evalItemRect( targetRect, true ) );
}
}
drawBackground( painter );
painter->save();
//antialiasing on
painter->setRenderHint( QPainter::Antialiasing, true );
painter->setPen( QPen( QColor( 0, 0, 0 ) ) );
if ( !mSizeToContents )
{
// set a clip region to crop out parts of legend which don't fit
QRectF thisPaintRect = QRectF( 0, 0, rect().width(), rect().height() );
painter->setClipRect( thisPaintRect );
}
legendRenderer.drawLegend( painter );
painter->restore();
//draw frame and selection boxes if necessary
drawFrame( painter );
if ( isSelected() )
{
drawSelectionBoxes( painter );
}
}
void QgsLayoutItemLegend::paint( QPainter *painter, const QStyleOptionGraphicsItem *itemStyle, QWidget *pWidget )
{
if ( !painter )
return;
if ( mFilterAskedForUpdate )
{
mFilterAskedForUpdate = false;
doUpdateFilterByMap();
}
int dpi = painter->device()->logicalDpiX();
double dotsPerMM = dpi / 25.4;
if ( mLayout )
{
mSettings.setUseAdvancedEffects( mLayout->renderContext().flags() & QgsLayoutRenderContext::FlagUseAdvancedEffects );
mSettings.setDpi( dpi );
}
if ( mMap && mLayout )
{
mSettings.setMmPerMapUnit( mLayout->convertFromLayoutUnits( mMap->mapUnitsToLayoutUnits(), QgsUnitTypes::LayoutMillimeters ).length() );
// use a temporary QgsMapSettings to find out real map scale
QSizeF mapSizePixels = QSizeF( mMap->rect().width() * dotsPerMM, mMap->rect().height() * dotsPerMM );
QgsRectangle mapExtent = mMap->extent();
QgsMapSettings ms = mMap->mapSettings( mapExtent, mapSizePixels, dpi, false );
mSettings.setMapScale( ms.scale() );
}
mInitialMapScaleCalculated = true;
QgsLegendRenderer legendRenderer( mLegendModel.get(), mSettings );
legendRenderer.setLegendSize( mForceResize && mSizeToContents ? QSize() : rect().size() );
//adjust box if width or height is too small
if ( mSizeToContents )
{
QSizeF size = legendRenderer.minimumSize();
if ( mForceResize )
{
mForceResize = false;
//set new rect, respecting position mode and data defined size/position
QgsLayoutSize newSize = mLayout->convertFromLayoutUnits( size, sizeWithUnits().units() );
attemptResize( newSize );
}
else if ( size.height() > rect().height() || size.width() > rect().width() )
{
//need to resize box
QSizeF targetSize = rect().size();
if ( size.height() > targetSize.height() )
targetSize.setHeight( size.height() );
if ( size.width() > targetSize.width() )
targetSize.setWidth( size.width() );
QgsLayoutSize newSize = mLayout->convertFromLayoutUnits( targetSize, sizeWithUnits().units() );
//set new rect, respecting position mode and data defined size/position
attemptResize( newSize );
}
}
QgsLayoutItem::paint( painter, itemStyle, pWidget );
}
void QgsComposerLegend::paint( QPainter* painter, const QStyleOptionGraphicsItem* itemStyle, QWidget* pWidget )
{
Q_UNUSED( itemStyle );
Q_UNUSED( pWidget );
if ( !painter )
return;
if ( !shouldDrawItem() )
{
return;
}
int dpi = painter->device()->logicalDpiX();
double dotsPerMM = dpi / 25.4;
if ( mComposition )
{
mSettings.setUseAdvancedEffects( mComposition->useAdvancedEffects() );
mSettings.setDpi( dpi );
}
if ( mComposerMap )
{
mSettings.setMmPerMapUnit( mComposerMap->mapUnitsToMM() );
// use a temporary QgsMapSettings to find out real map scale
QgsMapSettings ms = mComposerMap->composition()->mapSettings();
ms.setOutputSize( QSizeF( mComposerMap->rect().width() * dotsPerMM, mComposerMap->rect().height() * dotsPerMM ).toSize() );
ms.setExtent( *mComposerMap->currentMapExtent() );
ms.setOutputDpi( dpi );
mSettings.setMapScale( ms.scale() );
}
drawBackground( painter );
painter->save();
//antialiasing on
painter->setRenderHint( QPainter::Antialiasing, true );
painter->setPen( QPen( QColor( 0, 0, 0 ) ) );
QgsLegendRenderer legendRenderer( mLegendModel2, mSettings );
legendRenderer.setLegendSize( rect().size() );
//adjust box if width or height is too small
QSizeF size = legendRenderer.minimumSize();
if ( size.height() > rect().height() || size.width() > rect().width() )
{
//need to resize box
QRectF targetRect = QRectF( pos().x(), pos().y(), rect().width(), rect().height() );
if ( size.height() > targetRect.height() )
targetRect.setHeight( size.height() );
if ( size.width() > rect().width() )
targetRect.setWidth( size.width() );
//set new rect, respecting position mode and data defined size/position
setSceneRect( evalItemRect( targetRect, true ) );
}
legendRenderer.drawLegend( painter );
painter->restore();
//draw frame and selection boxes if necessary
drawFrame( painter );
if ( isSelected() )
{
drawSelectionBoxes( painter );
}
}
