Updated up to the version 23.12

Author: Evgeniy Sidenko

Examples/data/RemoveBackground/golfer.emf

@@ -1,6 +1,8 @@
 # GROUP: MODIFYING_AND_CONVERTING_IMAGES
 import aspose.pycore as aspycore
 from aspose.imaging import Image, RasterImage, Point
+from aspose.imaging.imageoptions import PngOptions
+from aspose.imaging.fileformats.png import PngColorType
 import os
 
 
@@ -27,9 +29,11 @@ def get_data_root_dir_local():
 	with aspycore.as_of(Image.load(os.path.join(data_dir, "aspose_logo.png")), RasterImage) as overlay:
 		center = Point((background.width - overlay.width) // 2, (background.height - overlay.height) // 2)
 		background.blend(center, overlay, overlay.bounds, 127)
-		background.save(out_file)
+		options = PngOptions()
+		options.color_type = PngColorType.TRUECOLOR_WITH_ALPHA
+		background.save(out_file, options)
 
 if 'SAVE_OUTPUT' not in os.environ:
 	os.remove(out_file)
 
-print("Finished example ApplyFilterMethod")
+print("Finished example AddAlphaBlendingForImage")

Examples/src/modifyingandconvertingimages/png/AddAlphaBlendingForImage.py

@@ -0,0 +1,60 @@
+# GROUP: ADDITIONAL_FEATURES
+
+from aspose.imaging import Image, Color, VectorImage, RemoveBackgroundSettings, SizeF
+from aspose.imaging.imageoptions import VectorRasterizationOptions, PngOptions
+from aspose.imaging.fileformats.png import PngColorType
+from aspose.pycore import as_of, cast, is_assignable
+import os
+
+
+# Initialization
+def get_data_root_dir_local():
+	if 'BASE_DIR' in os.environ:
+		return os.environ["BASE_DIR"]
+	return "."
+
+
+if 'get_data_root_dir' not in dir():
+	get_data_root_dir = get_data_root_dir_local
+
+if 'get_output_dir' not in dir():
+	get_output_dir = get_data_root_dir_local
+
+data_dir = os.path.join(get_data_root_dir(), 'RemoveBackground')
+
+
+# Utility function
+def remove_background_example(file_name, settings):
+	input_file_path = os.path.join(data_dir, file_name)
+	out_file_path = os.path.join(get_output_dir(), "output")
+	if not os.path.exists(out_file_path):
+		os.makedirs(out_file_path)
+
+	output_file = os.path.join(out_file_path, file_name + ".png")
+	with Image.load(input_file_path) as image:
+		options = PngOptions()
+		vectors = VectorRasterizationOptions()
+		vectors.background_color = Color.transparent
+		vectors.page_size = cast(SizeF, image.size)
+		options.vector_rasterization_options = vectors
+		options.color_type = PngColorType.TRUECOLOR_WITH_ALPHA
+
+		if is_assignable(image, VectorImage):
+			vector_image = as_of(image, VectorImage)
+			vector_image.remove_background(settings)
+
+		image.save(output_file, options)
+
+	if 'SAVE_OUTPUT' not in os.environ:
+		os.remove(output_file)
+
+# Example code:
+# The path to the documents directory.
+file_names = ["golfer.emf"]
+
+obj1 = RemoveBackgroundSettings()
+obj1.detection_level = 30
+rbs = [ obj1 ]
+
+for i, file_name in enumerate(file_names):
+    remove_background_example(file_name, rbs[i])