initial implementation for animated_image_generator.py

Author: SeminKim

ImageProcessingScripts/Animated Image Generator/animated_image_generator.py

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+import argparse
+import os
+from glob import glob
+
+from PIL import Image
+
+IMG_EXTENSIONS = ['jpg', 'jpeg', 'png']  # Supported Image Extensions
+OUTPUT_EXTENSIONS = ['gif', 'webp', 'png']  # Supported Animated Image Extensions
+
+# Argument parsing
+parser = argparse.ArgumentParser()
+parser.add_argument('--target', help='Target directory which contains frame images.')
+parser.add_argument('--output_extension', default='gif',
+                    help='Output file extension. GIF(default), WEBP or APNG(animated png).')
+parser.add_argument('--speed', default=25, type=int, help='Milliseconds per frame. Smaller means faster.')
+parser.add_argument('--output', default=None, help='Output file name. This overrides `format` argument.')
+
+args = parser.parse_args() # parse all args.
+
+# Find all valid image files.
+frames = []
+for ext in IMG_EXTENSIONS:
+    frames.extend(glob(os.path.join(args.target, f'*.{ext}')))
+
+# Open all images
+frames = [Image.open(path).convert('RGB') for path in frames]
+print(f'{len(frames)} files found')
+
+# Save as an animation
+output_path = os.path.join(args.target, f"result.{args.output_extension}")
+if args.output is not None:
+    output_path = args.output
+
+
+frames[0].save(output_path, save_all=True, append_images=frames[1:], loop=0,
+               duration=args.speed)
+print(f'Save success for {output_path}')