lv_img_conf_py: add initial skeleton enough to be called with same args

img/lv_img_conv.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+import argparse
+import pathlib
+import sys
+
+parser = argparse.ArgumentParser()
+
+parser.add_argument("img",
+    help="Path to image to convert to C header file")
+parser.add_argument("-o", "--output-file",
+    help="output file path (for single-image conversion)",
+    required=True)
+parser.add_argument("-f", "--force",
+    help="allow overwriting the output file",
+    action="store_true")
+# --image-name, -i     name of image structure
+parser.add_argument("-c", "--color-format",
+    help="color format of image",
+    default="CF_TRUE_COLOR_ALPHA",
+    choices=[
+        "CF_ALPHA_1_BIT", "CF_ALPHA_2_BIT", "CF_ALPHA_4_BIT",
+        "CF_ALPHA_8_BIT", "CF_INDEXED_1_BIT", "CF_INDEXED_2_BIT", "CF_INDEXED_4_BIT",
+        "CF_INDEXED_8_BIT", "CF_RAW", "CF_RAW_CHROMA", "CF_RAW_ALPHA",
+        "CF_TRUE_COLOR", "CF_TRUE_COLOR_ALPHA", "CF_TRUE_COLOR_CHROMA", "CF_RGB565A8",
+    ],
+    required=True)
+parser.add_argument("-t", "--output-format",
+    help="output format of image",
+    default="bin", # default in original is 'c'
+    choices=["c", "bin"])
+parser.add_argument("--binary-format",
+    help="binary color format (needed if output-format is binary)",
+    default="ARGB8565_RBSWAP",
+    choices=["ARGB8332", "ARGB8565", "ARGB8565_RBSWAP", "ARGB8888"])
+#  --swap-endian, -s    swap endian of image                            [boolean]
+#  --dither, -d         enable dither                                   [boolean]
+args = parser.parse_args()
+
+img = pathlib.Path(args.img)
+out = pathlib.Path(args.output_file)
+if not img.is_file():
+    print(f"Input file is missing: '{args.img}'")
+    sys.exit(1)
+if out.exists():
+    if args.force:
+        print(f"overwriting existing output-file: '{args.output_file}'")
+    else:
+        print(f"output-file exists, set --force to allow overwriting of file")
+        sys.exit(0)
+out.touch()