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f32: replace Affine2D{} with AffineId() for identity transformations

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References: https://todo.sr.ht/~eliasnaur/gio/655
Signed-off-by: Walter Werner SCHNEIDER <contact@schnwalter.eu>
Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Walter Werner SCHNEIDER
2025-07-12 13:01:54 +03:00
committed by Elias Naur
parent 78b54615cc
commit 4e5a344cc2
5 changed files with 23 additions and 15 deletions
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internal/stroke/stroke.go
+4 -6
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@@ -581,12 +581,10 @@ func ArcTransform(p, f1, f2 f32.Point, angle float32) (transform f32.Affine2D, s
}
}
var (
θ = angle / float32(segments)
ref f32.Affine2D // transform from absolute frame to ellipse-based one
rot f32.Affine2D // rotation matrix for each segment
inv f32.Affine2D // transform from ellipse-based frame to absolute one
)
θ := angle / float32(segments)
ref := f32.AffineId() // transform from absolute frame to ellipse-based one
rot := f32.AffineId() // rotation matrix for each segment
inv := f32.AffineId() // transform from ellipse-based frame to absolute one
center := f32.Point{
X: 0.5 * (f1.X + f2.X),
Y: 0.5 * (f1.Y + f2.Y),