feat(script): add tool to view bin image (#5451)

Signed-off-by: Xu Xingliang <xuxingliang@xiaomi.com>

scripts/image_viewer.py

@@ -0,0 +1,31 @@
+#!/usr/bin/env python3
+from LVGLImage import LVGLImage
+import argparse
+import logging
+import os
+
+logging.basicConfig(level=logging.INFO)
+
+parser = argparse.ArgumentParser(description="LVGL Binary Image Viewer")
+parser.add_argument("file", help="the .bin image file")
+
+args = parser.parse_args()
+
+name, ext = os.path.splitext(args.file)
+if ext != ".bin":
+    raise ValueError("Only support LVGL .bin image file")
+
+output = name + ".png"
+img = LVGLImage().from_bin(args.file)
+img.to_png(output)
+logging.info(f"convert {args.file} to {output}")
+
+if os.name == "posix":
+    os.system(f"open {output}")
+else:
+    try:
+        from PIL import Image
+    except ImportError:
+        raise ImportError("Need pillow package, do `pip3 install pillow`")
+    image = Image.open(output)
+    image.show(title=output)