QgsComposition::~QgsComposition()
{
removePaperItems();
deleteAndRemoveMultiFrames();
// make sure that all composer items are removed before
// this class is deconstructed - to avoid segfaults
// when composer items access in destructor composition that isn't valid anymore
clear();
delete mActiveItemCommand;
delete mActiveMultiFrameCommand;
}
QgsComposition::~QgsComposition()
{
removePaperItems();
QSet<QgsComposerMultiFrame*>::iterator multiFrameIt = mMultiFrames.begin();
for ( ; multiFrameIt != mMultiFrames.end(); ++multiFrameIt )
{
delete *multiFrameIt;
}
mMultiFrames.clear();
// make sure that all composer items are removed before
// this class is deconstructed - to avoid segfaults
// when composer items access in destructor composition that isn't valid anymore
clear();
delete mActiveItemCommand;
delete mActiveMultiFrameCommand;
}
bool QgsComposition::readXML( const QDomElement& compositionElem, const QDomDocument& doc )
{
Q_UNUSED( doc );
if ( compositionElem.isNull() )
{
return false;
}
//create pages
bool widthConversionOk, heightConversionOk;
mPageWidth = compositionElem.attribute( "paperWidth" ).toDouble( &widthConversionOk );
mPageHeight = compositionElem.attribute( "paperHeight" ).toDouble( &heightConversionOk );
int numPages = compositionElem.attribute( "numPages", "1" ).toInt();
if ( widthConversionOk && heightConversionOk )
{
removePaperItems();
for ( int i = 0; i < numPages; ++i )
{
addPaperItem();
}
}
//snapping
if ( compositionElem.attribute( "snapping" ) == "0" )
{
mSnapToGrid = false;
}
else
{
mSnapToGrid = true;
}
mSnapGridResolution = compositionElem.attribute( "snapGridResolution" ).toDouble();
mSnapGridOffsetX = compositionElem.attribute( "snapGridOffsetX" ).toDouble();
mSnapGridOffsetY = compositionElem.attribute( "snapGridOffsetY" ).toDouble();
mPrintAsRaster = compositionElem.attribute( "printAsRaster" ).toInt();
mPrintResolution = compositionElem.attribute( "printResolution", "300" ).toInt();
updatePaperItems();
return true;
}
