void QgsComposerItem::setItemRotation( const double r, const bool adjustPosition )
{
mItemRotation = r;
if ( mItemRotation >= 360.0 || mItemRotation <= -360.0 )
{
mItemRotation = std::fmod( mItemRotation, 360.0 );
}
QgsExpressionContext context = createExpressionContext();
refreshRotation( true, adjustPosition, context );
}
void QgsComposerItem::refreshDataDefinedProperty( const QgsComposerObject::DataDefinedProperty property, const QgsExpressionContext *context )
{
//maintain 2.10 API
//TODO QGIS 3.0 - remove this
const QgsExpressionContext* evalContext = context;
QScopedPointer< QgsExpressionContext > scopedContext;
if ( !evalContext )
{
scopedContext.reset( createExpressionContext() );
evalContext = scopedContext.data();
}
//update data defined properties and redraw item to match
if ( property == QgsComposerObject::PositionX || property == QgsComposerObject::PositionY ||
property == QgsComposerObject::ItemWidth || property == QgsComposerObject::ItemHeight ||
property == QgsComposerObject::AllProperties )
{
QRectF beforeRect = QRectF( pos().x(), pos().y(), rect().width(), rect().height() );
QRectF evaluatedRect = evalItemRect( beforeRect, false, evalContext );
if ( evaluatedRect != beforeRect )
{
setSceneRect( evaluatedRect );
}
}
if ( property == QgsComposerObject::ItemRotation || property == QgsComposerObject::AllProperties )
{
refreshRotation( false, true, *evalContext );
}
if ( property == QgsComposerObject::Transparency || property == QgsComposerObject::AllProperties )
{
refreshTransparency( false, *evalContext );
}
if ( property == QgsComposerObject::BlendMode || property == QgsComposerObject::AllProperties )
{
refreshBlendMode( *evalContext );
}
if ( property == QgsComposerObject::ExcludeFromExports || property == QgsComposerObject::AllProperties )
{
bool exclude = mExcludeFromExports;
//data defined exclude from exports set?
QVariant exprVal;
if ( dataDefinedEvaluate( QgsComposerObject::ExcludeFromExports, exprVal, *evalContext ) && !exprVal.isNull() )
{
exclude = exprVal.toBool();
}
mEvaluatedExcludeFromExports = exclude;
}
update();
}
void QgsComposerItem::setItemRotation( const double r, const bool adjustPosition )
{
if ( r >= 360 )
{
mItemRotation = ( static_cast< int >( r ) ) % 360;
}
else
{
mItemRotation = r;
}
QScopedPointer< QgsExpressionContext > context( createExpressionContext() );
refreshRotation( true, adjustPosition, *context.data() );
}
void QgsComposerItem::refreshDataDefinedProperty( const QgsComposerObject::DataDefinedProperty property, const QgsExpressionContext *context )
{
//maintain 2.10 API
//TODO QGIS 3.0 - remove this
QgsExpressionContext scopedContext = createExpressionContext();
const QgsExpressionContext *evalContext = context ? context : &scopedContext;
//update data defined properties and redraw item to match
if ( property == QgsComposerObject::PositionX || property == QgsComposerObject::PositionY ||
property == QgsComposerObject::ItemWidth || property == QgsComposerObject::ItemHeight ||
property == QgsComposerObject::AllProperties )
{
QRectF beforeRect = QRectF( pos().x(), pos().y(), rect().width(), rect().height() );
QRectF evaluatedRect = evalItemRect( beforeRect, false, evalContext );
if ( evaluatedRect != beforeRect )
{
setSceneRect( evaluatedRect );
}
}
if ( property == QgsComposerObject::ItemRotation || property == QgsComposerObject::AllProperties )
{
refreshRotation( false, true, *evalContext );
}
if ( property == QgsComposerObject::Opacity || property == QgsComposerObject::AllProperties )
{
refreshOpacity( false, *evalContext );
}
if ( property == QgsComposerObject::BlendMode || property == QgsComposerObject::AllProperties )
{
refreshBlendMode( *evalContext );
}
if ( property == QgsComposerObject::FrameColor || property == QgsComposerObject::AllProperties )
{
refreshFrameColor( false, *evalContext );
}
if ( property == QgsComposerObject::BackgroundColor || property == QgsComposerObject::AllProperties )
{
refreshBackgroundColor( false, *evalContext );
}
if ( property == QgsComposerObject::ExcludeFromExports || property == QgsComposerObject::AllProperties )
{
bool exclude = mExcludeFromExports;
//data defined exclude from exports set?
exclude = mDataDefinedProperties.valueAsBool( QgsComposerObject::ExcludeFromExports, *evalContext, exclude );
mEvaluatedExcludeFromExports = exclude;
}
update();
}