22 lines
408 B
Go
22 lines
408 B
Go
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package ui
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import (
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"github.com/minio/highwayhash"
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"opslag.de/schobers/geom"
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)
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type desiredSizeCache struct {
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sum [32]byte
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size geom.PointF32
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}
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func (c *desiredSizeCache) Update(ctx Context, data string, calcFn func(Context) geom.PointF32) geom.PointF32 {
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var key = [32]byte{}
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sum := highwayhash.Sum([]byte(data), key[:])
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if c.sum != sum {
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c.size = calcFn(ctx)
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c.sum = sum
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}
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return c.size
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}
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