python and firware code added

src/python/toQImage.py

@@ -0,0 +1,27 @@
+from PyQt5.QtGui import QImage, qRgb
+import numpy as np
+
+class NotImplementedException:
+    pass
+
+gray_color_table = [qRgb(i, i, i) for i in range(256)]
+
+def toQImage(im, copy=False):
+    if im is None:
+        return QImage()
+
+    if im.dtype == np.uint8:
+        if len(im.shape) == 2:
+            qim = QImage(im.data, im.shape[1], im.shape[0], im.strides[0], QImage.Format_Indexed8)
+            qim.setColorTable(gray_color_table)
+            return qim.copy() if copy else qim
+
+        elif len(im.shape) == 3:
+            if im.shape[2] == 3:
+                qim = QImage(im.data, im.shape[1], im.shape[0], im.strides[0], QImage.Format_RGB888);
+                return qim.copy() if copy else qim
+            elif im.shape[2] == 4:
+                qim = QImage(im.data, im.shape[1], im.shape[0], im.strides[0], QImage.Format_ARGB32);
+                return qim.copy() if copy else qim
+
+#raise NotImplementedException