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added support for zero-sized buffers

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This commit is contained in:
Timon Ringwald 2022-04-02 17:33:52 +02:00
parent 157e4f302d
commit 3e2be025b3
1 changed files with 2 additions and 2 deletions
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4
buffer.go
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@ -102,8 +102,8 @@ func (b *Buffer[T]) Sub(x, y, w, h int) *Buffer[T] {
// sanitize inputs // sanitize inputs
x = limit(x, 0, b.width-1) x = limit(x, 0, b.width-1)
y = limit(y, 0, b.height-1) y = limit(y, 0, b.height-1)
w = limit(w, 1, b.width-x) w = limit(w, 0, b.width-x)
h = limit(h, 1, b.height-y) h = limit(h, 0, b.height-y)
// make slice references // make slice references
data := make([][]T, h) data := make([][]T, h)