讲解
略
代码
from PIL import Image
def add_alpha_channel(img):
img = Image.open(img)
img = img.convert('RGBA')
# 更改图像透明度
# factor = 0.7
# img_blender = Image.new('RGBA', img.size, (0, 0, 0, 0))
# img = Image.blend(img_blender, img, factor)
return img
def image_together(image, layer1, layer2, save_path, save_name):
layer1 = layer1
layer2 = layer2
base = image
bands = list(layer1.split())
heigh, width = layer1.size
for i in range(heigh):
for j in range(width):
r, g, b, a = layer1.getpixel((i, j))
if r == 0:
layer1.putpixel((i, j), (0, 0, 0, 0)) # 背景透明显示
else:
layer1.putpixel((i, j), (0, 0, 256, 200)) # 非背景区域显示为红色
layer2.paste(layer1, (0, 0), layer1) # 贴图操作
base = image
bands = list(layer2.split())
heigh, width = layer2.size
for i in range(heigh):
for j in range(width):
r, g, b, a = layer2.getpixel((i, j))
if r == 0:
layer2.putpixel((i, j), (0, 0, 0, 0))
elif r == 128 and g == 128 and b == 128:
layer2.putpixel((i, j), (128, 128, 128, 200))
else:
layer2.putpixel((i, j), (255, 0, 0, 200))
base.paste(layer2, (0, 0), layer2) # 贴图操作
base.save(save_path + "/" + save_name + ".png") # 图片保存
if __name__ == "__main__":
image = add_alpha_channel(r"")
layer1 = add_alpha_channel(r"")
layer2 = add_alpha_channel(r"")
image_together(image, layer1, layer2, r"", "")
运行结果
运行前
运行后
