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24 lines
620 B
Python
24 lines
620 B
Python
3 years ago
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import lib
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import math
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class BiLinear(lib.Interpolator):
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def get_pixel(self, pic, x, y, r, qx, qy):
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leftx = math.floor(x)
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rightx = math.ceil(x)
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topy = math.floor(y)
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bottomy = math.ceil(y)
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left = pic.at(leftx, topy)
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right = pic.at(leftx, topy)
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dist = x % 1
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top = (left * (1 - dist) + right * dist)
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left = pic.at(leftx, bottomy)
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right = pic.at(leftx, bottomy)
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bottom = (left * (1 - dist) + right * dist)
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dist = y % 1
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pix = (top * (1 - dist) + bottom * dist)
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return pix
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