added methods to get the image, width and height

cameras/cameraclient.py

@@ -77,6 +77,29 @@ class CameraClient:
     def clear_buffer(self):
         caput(self.name + ":CLEARMEM", 1) # Clear Buffer
 
+    def width(self):
+        res = caget(self.name + ":WIDTH")
+        if res is None:
+            raise RuntimeError("Could not caget width")
+        return int(res)
+
+    def height(self):
+        res = caget(self.name + ":HEIGHT")
+        if res is None:
+            raise RuntimeError("Could not caget height")
+        return int(res)
+
+    def get(self):
+        waveform = caget(self.name + ":FPICTURE")
+        if waveform is None:
+            raise RuntimeError("Could not caget waveform")
+        width = self.width()
+        height = self.height()
+        length = width * height
+        waveform = waveform[:length]
+        image = waveform.reshape(height, width)
+        return image
+
     def get_max_roi(self):
         current_roi = self.get_roi()
         self.reset_roi()