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op: change signature of Ops.Write

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By returning the allocated data buffer, Ops can become an interface
in a future change without forcing operations to allocate.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Elias Naur
2019-10-14 23:10:35 +02:00
parent 88208891de
commit fa00b53e13
6 changed files with 24 additions and 34 deletions
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op/paint/paint.go
+3 -6
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@@ -66,33 +66,30 @@ func (i ImageOp) Add(o *op.Ops) {
}.Add(o)
return
}
data := make([]byte, opconst.TypeImageLen)
data := o.Write(opconst.TypeImageLen, i.src)
data[0] = byte(opconst.TypeImage)
bo := binary.LittleEndian
bo.PutUint32(data[1:], uint32(i.size.X))
bo.PutUint32(data[5:], uint32(i.size.Y))
o.Write(data, i.src)
}
func (c ColorOp) Add(o *op.Ops) {
data := make([]byte, opconst.TypeColorLen)
data := o.Write(opconst.TypeColorLen)
data[0] = byte(opconst.TypeColor)
data[1] = c.Color.R
data[2] = c.Color.G
data[3] = c.Color.B
data[4] = c.Color.A
o.Write(data)
}
func (d PaintOp) Add(o *op.Ops) {
data := make([]byte, opconst.TypePaintLen)
data := o.Write(opconst.TypePaintLen)
data[0] = byte(opconst.TypePaint)
bo := binary.LittleEndian
bo.PutUint32(data[1:], math.Float32bits(d.Rect.Min.X))
bo.PutUint32(data[5:], math.Float32bits(d.Rect.Min.Y))
bo.PutUint32(data[9:], math.Float32bits(d.Rect.Max.X))
bo.PutUint32(data[13:], math.Float32bits(d.Rect.Max.Y))
o.Write(data)
}
// RectClip returns a ClipOp corresponding to a pixel aligned