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Don't load all of the point symbols if the layer is not of point

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type (saves time)


git-svn-id: http://svn.osgeo.org/qgis/trunk/qgis@3217 c8812cc2-4d05-0410-92ff-de0c093fc19c
This commit is contained in:
g_j_m 2005-04-24 11:46:31 +00:00
parent 1c65ea53b5
commit 12bc020ce8
1 changed files with 28 additions and 15 deletions
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43
src/qgssisydialog.cpp
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@ -52,10 +52,17 @@ QgsSiSyDialog::QgsSiSyDialog(QgsVectorLayer * layer):QgsSiSyDialogBase(), mVecto
#ifdef QGISDEBUG
qWarning("constructor QgsSiSyDialog called WITH a layer");
#endif
//
//set point symbol combo box
//
// If this layer doesn't have points, break out of the following
// two loops after the first iteration. This gives one point
// symbol in the dialog, etc so that other code can rely on such a
// fact, but avoids the long time required to load all of the
// available symbols when they are not needed.
QStringList ml = QgsMarkerCatalogue::instance()->list();
mMarkers.clear();
@ -67,29 +74,35 @@ QgsSiSyDialog::QgsSiSyDialog(QgsVectorLayer * layer):QgsSiSyDialogBase(), mVecto
// Get maximum symbol width - this is probably slow
for ( QStringList::iterator it = ml.begin(); it != ml.end(); ++it ) {
QPicture pic = QgsMarkerCatalogue::instance()->marker ( *it, size,
pen, brush, QgsSVGCache::instance().getOversampling() );
QPicture pic = QgsMarkerCatalogue::instance()->marker ( *it, size,
pen, brush, QgsSVGCache::instance().getOversampling() );
QRect br = pic.boundingRect();
QRect br = pic.boundingRect();
if ( br.width() > maxwidth ) maxwidth = br.width();
if ( br.width() > maxwidth ) maxwidth = br.width();
if (layer->vectorType() != QGis::Point)
break;
}
for ( QStringList::iterator it = ml.begin(); it != ml.end(); ++it ) {
mMarkers.push_back ( *it );
mMarkers.push_back ( *it );
QPicture pic = QgsMarkerCatalogue::instance()->marker ( *it, size,
pen, brush, QgsSVGCache::instance().getOversampling() );
QPicture pic = QgsMarkerCatalogue::instance()->marker ( *it, size,
pen, brush, QgsSVGCache::instance().getOversampling() );
QRect br = pic.boundingRect();
QRect br = pic.boundingRect();
QPixmap pm( 10+maxwidth, 10+br.height() );
pm.fill(QColor(255,255,255));
QPainter p;
p.begin(&pm);
p.drawPicture ( 5-br.x()+(maxwidth-br.width())/2 , 5-br.y(), pic);
p.end();
mPointSymbolComboBox->insertItem ( pm );
QPixmap pm( 10+maxwidth, 10+br.height() );
pm.fill(QColor(255,255,255));
QPainter p;
p.begin(&pm);
p.drawPicture ( 5-br.x()+(maxwidth-br.width())/2 , 5-br.y(), pic);
p.end();
mPointSymbolComboBox->insertItem ( pm );
if (layer->vectorType() != QGis::Point)
break;
}
//