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Transparency slider now working (allows up to full transparency). Percentage display of slider also working.

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git-svn-id: http://svn.osgeo.org/qgis/trunk@555 c8812cc2-4d05-0410-92ff-de0c093fc19c
This commit is contained in:
timlinux 2004-01-21 22:20:41 +00:00
parent a15fc4f248
commit 251d639f18
4 changed files with 16 additions and 1 deletions
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9
qgis/src/qgsrasterlayerproperties.cpp
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@ -49,6 +49,8 @@ QgsRasterLayerProperties::QgsRasterLayerProperties(QgsMapLayer * lyr) : QgsRaste
pixmapLegend->repaint(false);
//set the transparency slider
sliderTransparency->setValue(255-rasterLayer->getTransparency());
//update the transparency percentage label
sliderTransparency_valueChanged(255-rasterLayer->getTransparency());
//decide whether user can change rgb settings
if (rasterLayer->getBandCount() > 2)
{
@ -327,7 +329,12 @@ void QgsRasterLayerProperties::accept()
apply();
close();
}
void QgsRasterLayerProperties::sliderTransparency_valueChanged( int theValue )
{
//set the transparency percentage label to a suitable value
int myInt = static_cast<int>((theValue/255.0)*100); //255.0 to prevent integer division
lblTransparencyPercent->setText(QString::number(myInt)+"%");
}
void QgsRasterLayerProperties::sliderMaxRed_valueChanged( int )
{

1
qgis/src/qgsrasterlayerproperties.h
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@ -38,6 +38,7 @@ class QgsRasterLayerProperties : public QgsRasterLayerPropertiesBase
void apply();
void accept();
void sliderTransparency_valueChanged( int );
void sliderMaxRed_valueChanged( int );
void sliderMinRed_valueChanged( int );
void sliderMaxBlue_valueChanged( int );

6
qgis/src/qgsrasterlayerpropertiesbase.ui
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@ -976,6 +976,12 @@
<receiver>QgsRasterLayerPropertiesBase</receiver>
<slot>sliderTransparency_sliderMoved(int)</slot>
</connection>
<connection>
<sender>sliderTransparency</sender>
<signal>valueChanged(int)</signal>
<receiver>QgsRasterLayerPropertiesBase</receiver>
<slot>sliderTransparency_valueChanged(int)</slot>
</connection>
</connections>
<includes>
<include location="local" impldecl="in implementation">qgsrasterlayerpropertiesbase.ui.h</include>

1
qgis/src/qgsrasterlayerpropertiesbase.ui.h
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@ -1,4 +1,5 @@
/****************************************************************************
** ui.h extension file, included from the uic-generated form implementation.
**