13 lines
280 B
Markdown
13 lines
280 B
Markdown
# orx-integral-image
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#### Usage
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```
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val image = colorBuffer( ... )
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image.shadow.download()
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val integralImage = IntegralImage.fromColorBufferShadow(image.shadow)
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// -- the sum for a given area can be queried using
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val sum = integralImage.sum(IntRectangle(20, 20, 100, 100))
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```
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