45 lines
1.2 KiB
Python
45 lines
1.2 KiB
Python
#!/usr/bin/env python3
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import gi, io, base64
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from gi.repository import Gdk, GLib, GdkPixbuf
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from PIL import Image, ImageFilter
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def pixbuf_to_pil(pixbuf):
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data = pixbuf.get_pixels()
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w = pixbuf.get_width()
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h = pixbuf.get_height()
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stride = pixbuf.get_rowstride()
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mode = "RGBA" if pixbuf.get_has_alpha() else "RGB"
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img = Image.frombytes(mode, (w, h), data, "raw", mode, stride)
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return img
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def pil_to_pixbuf(img):
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data = []
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for p in img.getdata():
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data.extend(p)
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data = bytes(data)
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alpha = img.mode == 'RGBA'
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w, h = img.size
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rowstride = w * 4
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return GdkPixbuf.Pixbuf.new_from_bytes(GLib.Bytes.new(data), GdkPixbuf.Colorspace.RGB, alpha, 8, w, h, rowstride)
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def base64_to_pixbuf(base64_str):
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# 解码base64
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decoded = base64.b64decode(base64_str)
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# 创建输入流
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input_stream = io.BytesIO(decoded)
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# 从输入流创建pixbuf
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pixbuf = GdkPixbuf.Pixbuf.new_from_stream(input_stream, None)
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return pixbuf
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def blur_image(pixbuf):
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# 加载图片并确认该图片为RGBA模式，保证透明度
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img = pixbuf_to_pil(pixbuf).convert('RGBA')
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mask = Image.new('RGBA', img.size, (64, 64, 64, 160))
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img = img.filter(ImageFilter.GaussianBlur(radius = 32))
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img.alpha_composite(mask)
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return pil_to_pixbuf(img) |