chore(v2): vendor dependencies for offline/China builds
go mod vendor pins onnxruntime_go v1.12.1, Gio and the rest into v2/vendor so go run/build work without hitting proxy.golang.org (blocked/slow in China). Verified: CGO_ENABLED=1 go build -mod=vendor ./internal/spike and GOOS=windows go build -mod=vendor ./internal/ui both pass. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
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// SPDX-License-Identifier: Unlicense OR MIT
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package clip
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import (
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"image"
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"math"
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"gioui.org/f32"
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f32internal "gioui.org/internal/f32"
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"gioui.org/internal/ops"
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"gioui.org/op"
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)
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// Rect represents the clip area of a pixel-aligned rectangle.
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type Rect image.Rectangle
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// Op returns the op for the rectangle.
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func (r Rect) Op() Op {
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return Op{
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outline: true,
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path: r.Path(),
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}
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}
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// Push the clip operation on the clip stack.
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func (r Rect) Push(ops *op.Ops) Stack {
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return r.Op().Push(ops)
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}
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// Path returns the PathSpec for the rectangle.
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func (r Rect) Path() PathSpec {
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return PathSpec{
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shape: ops.Rect,
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bounds: image.Rectangle(r),
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}
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}
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// UniformRRect returns an RRect with all corner radii set to the
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// provided radius.
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func UniformRRect(rect image.Rectangle, radius int) RRect {
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return RRect{
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Rect: rect,
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SE: radius,
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SW: radius,
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NE: radius,
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NW: radius,
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}
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}
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// RRect represents the clip area of a rectangle with rounded
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// corners.
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//
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// Specify a square with corner radii equal to half the square size to
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// construct a circular clip area.
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type RRect struct {
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Rect image.Rectangle
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// The corner radii.
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SE, SW, NW, NE int
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}
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// Op returns the op for the rounded rectangle.
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func (rr RRect) Op(ops *op.Ops) Op {
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if rr.SE == 0 && rr.SW == 0 && rr.NW == 0 && rr.NE == 0 {
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return Rect(rr.Rect).Op()
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}
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return Outline{Path: rr.Path(ops)}.Op()
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}
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// Push the rectangle clip on the clip stack.
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func (rr RRect) Push(ops *op.Ops) Stack {
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return rr.Op(ops).Push(ops)
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}
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// Path returns the PathSpec for the rounded rectangle.
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func (rr RRect) Path(ops *op.Ops) PathSpec {
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var p Path
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p.Begin(ops)
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// https://pomax.github.io/bezierinfo/#circles_cubic.
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const q = 4 * (math.Sqrt2 - 1) / 3
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const iq = 1 - q
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se, sw, nw, ne := float32(rr.SE), float32(rr.SW), float32(rr.NW), float32(rr.NE)
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rrf := f32internal.FRect(rr.Rect)
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w, n, e, s := rrf.Min.X, rrf.Min.Y, rrf.Max.X, rrf.Max.Y
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p.MoveTo(f32.Point{X: w + nw, Y: n})
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p.LineTo(f32.Point{X: e - ne, Y: n}) // N
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p.CubeTo( // NE
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f32.Point{X: e - ne*iq, Y: n},
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f32.Point{X: e, Y: n + ne*iq},
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f32.Point{X: e, Y: n + ne})
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p.LineTo(f32.Point{X: e, Y: s - se}) // E
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p.CubeTo( // SE
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f32.Point{X: e, Y: s - se*iq},
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f32.Point{X: e - se*iq, Y: s},
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f32.Point{X: e - se, Y: s})
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p.LineTo(f32.Point{X: w + sw, Y: s}) // S
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p.CubeTo( // SW
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f32.Point{X: w + sw*iq, Y: s},
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f32.Point{X: w, Y: s - sw*iq},
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f32.Point{X: w, Y: s - sw})
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p.LineTo(f32.Point{X: w, Y: n + nw}) // W
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p.CubeTo( // NW
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f32.Point{X: w, Y: n + nw*iq},
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f32.Point{X: w + nw*iq, Y: n},
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f32.Point{X: w + nw, Y: n})
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return p.End()
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}
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// Ellipse represents the largest axis-aligned ellipse that
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// is contained in its bounds.
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type Ellipse image.Rectangle
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// Op returns the op for the filled ellipse.
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func (e Ellipse) Op(ops *op.Ops) Op {
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return Outline{Path: e.Path(ops)}.Op()
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}
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// Push the filled ellipse clip op on the clip stack.
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func (e Ellipse) Push(ops *op.Ops) Stack {
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return e.Op(ops).Push(ops)
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}
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// Path constructs a path for the ellipse.
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func (e Ellipse) Path(o *op.Ops) PathSpec {
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bounds := image.Rectangle(e)
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if bounds.Dx() == 0 || bounds.Dy() == 0 {
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return PathSpec{shape: ops.Rect}
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}
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var p Path
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p.Begin(o)
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bf := f32internal.FRect(bounds)
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center := bf.Max.Add(bf.Min).Mul(.5)
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diam := bf.Dx()
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r := diam * .5
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// We'll model the ellipse as a circle scaled in the Y
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// direction.
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scale := bf.Dy() / diam
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// https://pomax.github.io/bezierinfo/#circles_cubic.
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const q = 4 * (math.Sqrt2 - 1) / 3
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curve := r * q
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top := f32.Point{X: center.X, Y: center.Y - r*scale}
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p.MoveTo(top)
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p.CubeTo(
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f32.Point{X: center.X + curve, Y: center.Y - r*scale},
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f32.Point{X: center.X + r, Y: center.Y - curve*scale},
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f32.Point{X: center.X + r, Y: center.Y},
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)
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p.CubeTo(
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f32.Point{X: center.X + r, Y: center.Y + curve*scale},
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f32.Point{X: center.X + curve, Y: center.Y + r*scale},
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f32.Point{X: center.X, Y: center.Y + r*scale},
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)
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p.CubeTo(
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f32.Point{X: center.X - curve, Y: center.Y + r*scale},
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f32.Point{X: center.X - r, Y: center.Y + curve*scale},
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f32.Point{X: center.X - r, Y: center.Y},
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)
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p.CubeTo(
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f32.Point{X: center.X - r, Y: center.Y - curve*scale},
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f32.Point{X: center.X - curve, Y: center.Y - r*scale},
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top,
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)
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ellipse := p.End()
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ellipse.shape = ops.Ellipse
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return ellipse
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}
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