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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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app/os_macos.go
+1 -1
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@@ -893,7 +893,7 @@ func gio_firstRectForCharacterRange(h C.uintptr_t, crng C.NSRange, actual C.NSRa
// Transform to NSView local coordinates (lower left origin, undo backing scale).
scale := 1. / float32(C.getViewBackingScale(w.view))
height := float32(C.viewHeight(w.view))
local := f32.Affine2D{}.Scale(f32.Pt(0, 0), f32.Pt(scale, -scale)).Offset(f32.Pt(0, height))
local := f32.AffineId().Scale(f32.Pt(0, 0), f32.Pt(scale, -scale)).Offset(f32.Pt(0, height))
t := local.Mul(sel.Transform)
bounds := f32.Rectangle{
Min: t.Transform(sel.Pos.Sub(f32.Pt(0, sel.Ascent))),