ImageView app: add support for grayscale images

ThomasFarstrike · ThomasFarstrike · commit 059e1e51eafd · 2025-11-30T15:29:20.000+01:00
diff --git a/internal_filesystem/apps/com.micropythonos.imageview/assets/imageview.py b/internal_filesystem/apps/com.micropythonos.imageview/assets/imageview.py
@@ -214,7 +214,9 @@ def show_image(self, name):
                 print(f"Raw image has width: {width}, Height: {height}, Color Format: {color_format}")
                 stride = width * 2
                 cf = lv.COLOR_FORMAT.RGB565
-                if color_format != "RGB565":
+                if color_format == "GRAY":
+                    cf = lv.COLOR_FORMAT.L8
+                else:
                     print(f"WARNING: unknown color format {color_format}, assuming RGB565...")
                 self.current_image_dsc = lv.image_dsc_t({
                     "header": {
