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Elias Naur
8cf35a1f97
Extract operation types from package ui into package op. Signed-off-by: Elias Naur <mail@eliasnaur.com>
24 lines
455 B
Go
24 lines
455 B
Go
// SPDX-License-Identifier: Unlicense OR MIT
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package ops
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import (
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"encoding/binary"
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"math"
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"gioui.org/f32"
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"gioui.org/internal/opconst"
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"gioui.org/op"
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)
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func DecodeTransformOp(d []byte) op.TransformOp {
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bo := binary.LittleEndian
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if opconst.OpType(d[0]) != opconst.TypeTransform {
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panic("invalid op")
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}
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return op.TransformOp{}.Offset(f32.Point{
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X: math.Float32frombits(bo.Uint32(d[1:])),
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Y: math.Float32frombits(bo.Uint32(d[5:])),
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})
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}
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