image-converter/src/main.py

@@ -1,6 +1,26 @@
-from modules.raw_parser import (parse_raw_image)
-
+from modules.image_parser import (parse_image, parse_whole_directory)
+from modules.argument_parser import (generate_argument_parser)
 
+# NOTE: arguments
+# -H <height> : max height of vertical images
+# -W <width> : max width of horizontal images
+# -e <extension> : extension of the output files
+# -d <directory> : input directory path
+# -f <file/s> : file or list of files (paths) to parse
+# -o <directory> : output directory path
+# -h : help
 if __name__ == "__main__":
-	parse_raw_image("./src/assets/foo.CR2", 1900, "png")
+	arg_parser = generate_argument_parser()
+	args = arg_parser.parse_args()
+
+	print(args, args.extension)
+
+	# Parse directory
+	if (args.directory != None):
+		parse_whole_directory(args.directory, args.output, args.height, args.width, args.extension)
+
+	# Parse individual files
+	if (args.files != None):
+		for file in args.files:
+			parse_image(file, args.output, args.height, args.width, args.extension)
 

image-converter/src/modules/argument_parser.py

@@ -0,0 +1,11 @@
+import argparse
+
+def generate_argument_parser():
+	parser = argparse.ArgumentParser(prog="Image Processor", description="A simple image format convert and resize tool.", epilog="Use any combination of arguments.")
+	parser.add_argument("-H", "--height", type=int, help="max height for vertical images")
+	parser.add_argument("-W", "--width", type=int, help="max width for horizontal images")
+	parser.add_argument("-e", "--extension", type=str, default="png",help="extension of the processed files")
+	parser.add_argument("-d", "--directory", type=str, help="directory of files to process")
+	parser.add_argument("-f", "--files", nargs="+", type=list, help="list of files to process")
+	parser.add_argument("-o", "--output", type=str, default="./",help="directory for the output files")
+	return parser

image-converter/src/modules/image_parser.py

@@ -0,0 +1,44 @@
+from PIL import Image
+
+import os
+import math
+
+def parse_image(src: str, target_src: str, max_vertical_size_px: int, max_horizontal_size_px: int, target_extension: str):
+	if (src == None):
+		return
+	if (target_extension == None):
+		target_extension = "png"
+	rawImage = Image.open(src)
+
+	if (rawImage.height > rawImage.width):
+		if (max_vertical_size_px == None or max_vertical_size_px < 1):
+			max_vertical_size_px = rawImage.height
+		target_height = max_vertical_size_px
+		target_width = math.ceil(rawImage.width * max_vertical_size_px / rawImage.height)
+	else: 
+		if (max_horizontal_size_px == None or max_horizontal_size_px < 1):
+			max_horizontal_size_px = rawImage.width
+		target_width = max_horizontal_size_px
+		target_height = math.ceil(rawImage.height * max_horizontal_size_px / rawImage.width)
+
+	rawImage = rawImage.resize((target_width, target_height))
+
+	filename = os.path.basename(src)
+	last_dot = filename.rfind(".")
+	filename = filename[:last_dot] + "." + target_extension
+	if (target_src == None):
+		target_src = os.path.abspath(os.path.dirname(src))
+	else:
+		target_src = os.path.abspath(target_src)
+	full_path = os.path.join(target_src, filename)
+	print(">> Path: ", full_path)
+	# rawImage.save(full_path)
+
+def parse_whole_directory(dir_src: str, target_src: str, max_vertical_size_px: int, max_horizontal_size_px: int, target_extension: str):
+	for file_path in get_file_path_iter(dir_src):
+		parse_image(file_path,target_src, max_vertical_size_px, max_horizontal_size_px, target_extension)
+
+def get_file_path_iter(directory):
+    for dirpath,_,filenames in os.walk(directory):
+        for f in filenames:
+            yield os.path.abspath(os.path.join(dirpath, f))

image-converter/src/modules/raw_parser.py

@@ -1,17 +0,0 @@
-from PIL import Image
-import math
-
-def parse_raw_image(src: str, max_size_px: int, target_extension: str):
-	rawImage = Image.open(src)
-
-	if (rawImage.height > rawImage.width):
-		target_height = max_size_px
-		target_width = math.ceil(rawImage.width * max_size_px / rawImage.height)
-	else: 
-		target_width = max_size_px
-		target_height = math.ceil(rawImage.height * max_size_px / rawImage.width)
-	rawImage = rawImage.resize((target_width, target_height))
-
-	last_dot = src.rfind(".")
-	result_path = src[:last_dot]
-	rawImage.save(result_path + "." + target_extension)