FGFS-4.1/OpenSceneGraph
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Added handling of osgGA::GUIEventAdapter::getMouseYOrientation() in the orientation of mouse y position.

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Added updating of properties on both mouse move/drag and keydown.
This commit is contained in:
Robert Osfield
2011-11-10 15:50:22 +00:00
parent a548daa4be
commit 85418bf7ba
1 changed files with 46 additions and 35 deletions
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81
src/osgVolume/Property.cpp
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@@ -353,43 +353,14 @@ bool PropertyAdjustmentCallback::handle(const osgGA::GUIEventAdapter& ea,osgGA::
osgVolume::CollectPropertiesVisitor cpv;
property->accept(cpv);
bool passOnUpdates = false;
switch(ea.getEventType())
{
case(osgGA::GUIEventAdapter::MOVE):
case(osgGA::GUIEventAdapter::DRAG):
{
float v = (ea.getY()-ea.getYmin())/(ea.getYmax()-ea.getYmin());
float v2 = v*v;
float v4 = v2*v2;
if (_updateAlphaCutOff && cpv._isoProperty.valid())
{
OSG_INFO<<"Setting isoProperty to "<<v<<std::endl;
cpv._isoProperty->setValue(v);
}
if (_updateAlphaCutOff && cpv._afProperty.valid())
{
OSG_INFO<<"Setting afProperty to "<<v2<<std::endl;
cpv._afProperty->setValue(v2);
}
if (_updateTransparency && cpv._transparencyProperty.valid())
{
OSG_INFO<<"Setting transparency to "<<v2<<std::endl;
cpv._transparencyProperty->setValue(1.0f-v2);
}
if (_updateSampleDensity && cpv._sampleDensityProperty.valid())
{
OSG_INFO<<"Setting sample density to "<<v4<<std::endl;
cpv._sampleDensityProperty->setValue(v4);
}
if (_updateSampleDensity && cpv._sampleDensityWhenMovingProperty.valid())
{
OSG_INFO<<"Setting sample density when moving to "<<v4<<std::endl;
cpv._sampleDensityWhenMovingProperty->setValue(v4);
}
passOnUpdates = true;
}
case(osgGA::GUIEventAdapter::KEYDOWN):
{
@@ -403,9 +374,9 @@ bool PropertyAdjustmentCallback::handle(const osgGA::GUIEventAdapter& ea,osgGA::
tile->init();
}
}
else if (ea.getKey()==_transparencyKey) _updateTransparency = true;
else if (ea.getKey()==_alphaFuncKey) _updateAlphaCutOff = true;
else if (ea.getKey()==_sampleDensityKey) _updateSampleDensity = true;
else if (ea.getKey()==_transparencyKey) _updateTransparency = passOnUpdates = true;
else if (ea.getKey()==_alphaFuncKey) _updateAlphaCutOff = passOnUpdates = true;
else if (ea.getKey()==_sampleDensityKey) _updateSampleDensity = passOnUpdates = true;
break;
}
case(osgGA::GUIEventAdapter::KEYUP):
@@ -418,6 +389,46 @@ bool PropertyAdjustmentCallback::handle(const osgGA::GUIEventAdapter& ea,osgGA::
default:
break;
}
if (passOnUpdates)
{
float v = (ea.getY()-ea.getYmin())/(ea.getYmax()-ea.getYmin());
if (ea.getMouseYOrientation()==osgGA::GUIEventAdapter::Y_INCREASING_DOWNWARDS) v = 1.0f-v;
float v2 = v*v;
float v4 = v2*v2;
if (_updateAlphaCutOff && cpv._isoProperty.valid())
{
OSG_INFO<<"Setting isoProperty to "<<v<<std::endl;
cpv._isoProperty->setValue(v);
}
if (_updateAlphaCutOff && cpv._afProperty.valid())
{
OSG_INFO<<"Setting afProperty to "<<v2<<std::endl;
cpv._afProperty->setValue(v2);
}
if (_updateTransparency && cpv._transparencyProperty.valid())
{
OSG_INFO<<"Setting transparency to "<<v2<<std::endl;
cpv._transparencyProperty->setValue(1.0f-v2);
}
if (_updateSampleDensity && cpv._sampleDensityProperty.valid())
{
OSG_INFO<<"Setting sample density to "<<v4<<std::endl;
cpv._sampleDensityProperty->setValue(v4);
}
if (_updateSampleDensity && cpv._sampleDensityWhenMovingProperty.valid())
{
OSG_INFO<<"Setting sample density when moving to "<<v4<<std::endl;
cpv._sampleDensityWhenMovingProperty->setValue(v4);
}
}
return false;
}