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siti-image-convertor/utils/image_processing.py
2024-07-13 22:11:42 +02:00

72 lines
2.4 KiB
Python

import os
from wand.image import Image
from wand.color import Color
class ImageProcessor:
def __init__(
self, canvas_width=900, canvas_height=900, background_color="transparent"
):
"""
Initialize the ImageProcessor with default values.
"""
self.canvas_width = canvas_width
self.canvas_height = canvas_height
self.background_color = background_color
def set_canvas_size(self, width, height):
"""
Set the canvas size.
"""
self.canvas_width = int(width)
self.canvas_height = int(height)
def set_background_color(self, color):
"""
Set the background color.
"""
self.background_color = Color(color)
def resize_image(self, image_path, output_path, additional_name=None):
"""
Resize and process the image.
"""
# Normalize the paths to ensure consistency
image_path = os.path.normpath(image_path)
output_path = os.path.normpath(output_path)
print(image_path)
print(output_path)
with Image(filename=image_path) as img:
img.transform(resize=f"{self.canvas_width}x{self.canvas_height}>")
x_offset = int((self.canvas_width - img.width) / 2)
y_offset = int((self.canvas_height - img.height) / 2)
with Image(
width=self.canvas_width,
height=self.canvas_height,
background=self.background_color,
) as canvas:
canvas.composite(img, left=x_offset, top=y_offset)
# Create a new filename
new_filename = os.path.splitext(
os.path.basename(output_path))[0]
if additional_name:
new_filename += " - " + additional_name.strip()
new_filename += os.path.splitext(output_path)[1]
# Construct the final output path
final_output_path = os.path.join(
os.path.dirname(output_path), new_filename
)
# Save the image to the final output path
canvas.save(filename=final_output_path)
print(f"Saved to: {final_output_path}")
# Example usage
if __name__ == "__main__":
processor = ImageProcessor()
processor.set_canvas_size(900, 900)
processor.set_background_color("white")
processor.resize_image("input_image.jpg", "output_image.jpg", "example")