添加：获取ximea温度的函数getTemperature；

Source_Files/irisximeaimager.cpp

@@ -69,6 +69,14 @@ int Iris::IrisXimeaImager::getBufferSizeOfOneFrame()
     return static_cast<int>(m_image.bp_size);
 }
 
+float Iris::IrisXimeaImager::getTemperature()
+{
+    float temperature = 0.0;
+    CE(xiGetParamFloat(m_xiH, XI_PRM_TEMP, &temperature));
+
+    return temperature;
+}
+
 Iris::IrisXimeaImager::IrisXimeaImager()
 {
     m_xiH=NULL;