void TransferFunctionProperty::setImageHandle(DataHandle imageHandle) {
cgtAssert(
imageHandle.getData() == 0 || dynamic_cast<const ImageData*>(imageHandle.getData()) != 0,
"The data in the image handle must either be 0 or point to a valid ImageData object!");
if (_autoFitWindowToData && imageHandle.getData() != 0) {
if (const ImageData* id = dynamic_cast<const ImageData*>(imageHandle.getData())) {
const ImageRepresentationLocal* localRep = id->getRepresentation<ImageRepresentationLocal>();
if (localRep != 0) {
const Interval<float>& ii = localRep->getNormalizedIntensityRange();
_transferFunction->setIntensityDomain(cgt::vec2(ii.getLeft(), ii.getRight()));
}
}
}
_imageHandle = imageHandle;
_dirtyHistogram = true;
s_imageHandleChanged.emitSignal();
}
/**
* Tests the concurrent access settings of the class.
*
* DataHandle of previously added data obtained with getData() should remains valid
* even if the data in the container is replaced with new data.
*/
TEST_F(DataContainerTest, concurrentAccessTest) {
this->_dc0->addData("data1", this->_data);
DataHandle dh = this->_dc0->getData("data1");
AbstractData *someData = new ImageData(2, cgt::svec3(1,2,1), 4);
this->_dc0->addData("data1", someData);
EXPECT_EQ(someData, this->_dc0->getData("data1").getData());
EXPECT_NE(_data, this->_dc0->getData("data1").getData());
EXPECT_EQ(_data, dh.getData());
}