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

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Reduces ambiguity by introducing AffineId() for representing identity transformation matrices.

References: https://todo.sr.ht/~eliasnaur/gio/655
Signed-off-by: Walter Werner SCHNEIDER <contact@schnwalter.eu>
This commit is contained in:
Walter Werner SCHNEIDER
2025-07-09 13:38:17 +03:00
committed by Elias Naur
parent 3e601e73c4
commit d76b4272aa
15 changed files with 49 additions and 35 deletions
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f32/affine.go
+9
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@@ -30,6 +30,15 @@ func NewAffine2D(sx, hx, ox, hy, sy, oy float32) Affine2D {
}
}
// AffineId returns an identity transformation matrix that represents no transformation
// when applied.
func AffineId() Affine2D {
return NewAffine2D(
1, 0, 0,
0, 1, 0,
)
}
// Offset the transformation.
func (a Affine2D) Offset(offset Point) Affine2D {
return Affine2D{