Files
novafarma/remove_backgrounds.py
2025-12-12 00:13:55 +01:00

79 lines
2.3 KiB
Python

from PIL import Image
import os
# Lista slik za procesiranje
images_to_process = [
'assets/tree_purple.png',
'assets/tree_apple.png',
'assets/tree_pear.png',
'assets/tree_cherry.png'
]
def remove_background(image_path):
"""Odstrani ozadje iz slike - naredi transparentno"""
try:
# Naloži sliko
img = Image.open(image_path).convert('RGBA')
data = img.getdata()
new_data = []
for item in data:
r, g, b, a = item
# Izračunaj brightness in grayscale
brightness = (r + g + b) / 3
is_grayscale = abs(r - g) < 20 and abs(g - b) < 20 and abs(r - b) < 20
# Odstrani:
# 1. Vse sive barve (šahovsko ozadje)
# 2. Vse svetle barve (brightness > 150)
# 3. Bele barve
# 4. Pastelne barve (nizka saturacija)
should_remove = False
# Sive barve
if is_grayscale and brightness > 80:
should_remove = True
# Svetle barve
if brightness > 150:
should_remove = True
# Bele
if r > 240 and g > 240 and b > 240:
should_remove = True
# Pastelne (nizka saturacija)
max_rgb = max(r, g, b)
min_rgb = min(r, g, b)
saturation = 0 if max_rgb == 0 else (max_rgb - min_rgb) / max_rgb
if saturation < 0.3 and brightness > 120:
should_remove = True
if should_remove:
new_data.append((r, g, b, 0)) # Transparentno
else:
new_data.append(item) # Ohrani original
# Posodobi sliko
img.putdata(new_data)
# Shrani
img.save(image_path)
print(f'✅ Processed: {image_path}')
except Exception as e:
print(f'❌ Error processing {image_path}: {e}')
# Procesiraj vse slike
print('🎨 Removing backgrounds from tree sprites...')
for img_path in images_to_process:
if os.path.exists(img_path):
remove_background(img_path)
else:
print(f'⚠️ File not found: {img_path}')
print('✅ Done! All backgrounds removed.')