updated gio version

Signed-off-by: Elias Naur <mail@eliasnaur.com>

animatedclipping.go

@@ -9,6 +9,7 @@ import (
 	"gioui.org/f32"
 	"gioui.org/io/system"
 	"gioui.org/op"
+	"gioui.org/op/clip"
 	"gioui.org/op/paint"
 )
 
@@ -32,7 +33,12 @@ func main() {
 				// Color
 				paint.ColorOp{Color: color.RGBA{A: 0xff, G: 0xcc}}.Add(ops) // HLdraw
 				// Clip corners
-				roundRect(ops, 500, 500, radius, radius, radius, radius) // HLdraw
+				clip.RoundRect(ops, // HLdraw
+					f32.Rectangle{ // HLdraw
+						Max: f32.Point{X: 500, Y: 500}, // HLdraw
+					}, // HLdraw
+					radius, radius, radius, radius, // HLdraw
+				).Add(ops) // HLdraw
 				// Draw
 				paint.PaintOp{Rect: square}.Add(ops) // HLdraw
 				// Animate
@@ -47,24 +53,6 @@ func main() {
 	app.Main()
 }
 
-// START RR OMIT
-// https://pomax.github.io/bezierinfo/#circles_cubic.
-func roundRect(ops *op.Ops, width, height, se, sw, nw, ne float32) {
-	w, h := float32(width), float32(height)
-	const c = 0.55228475 // 4*(sqrt(2)-1)/3
-	var b paint.Path
-	b.Begin(ops)
-	b.Move(f32.Point{X: w, Y: h - se})
-	b.Cube(f32.Point{X: 0, Y: se * c}, f32.Point{X: -se + se*c, Y: se}, f32.Point{X: -se, Y: se})
-	b.Line(f32.Point{X: sw - w + se, Y: 0})
-	b.Cube(f32.Point{X: -sw * c, Y: 0}, f32.Point{X: -sw, Y: -sw + sw*c}, f32.Point{X: -sw, Y: -sw})
-	b.Line(f32.Point{X: 0, Y: nw - h + sw})
-	b.Cube(f32.Point{X: 0, Y: -nw * c}, f32.Point{X: nw - nw*c, Y: -nw}, f32.Point{X: nw, Y: -nw})
-	b.Line(f32.Point{X: w - ne - nw, Y: 0})
-	b.Cube(f32.Point{X: ne * c, Y: 0}, f32.Point{X: ne, Y: ne - ne*c}, f32.Point{X: ne, Y: ne})
-	b.End().Add(ops)
-}
-
 // END RR OMIT
 
 var start = time.Now()

go.mod

@@ -2,4 +2,4 @@ module gophercon2019
 
 go 1.13
 
-require gioui.org v0.0.0-20191107200801-f1d971268eb1
+require gioui.org v0.0.0-20191109184610-d8c9cb426c41

go.sum

@@ -1,6 +1,6 @@
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-gioui.org v0.0.0-20191107200801-f1d971268eb1 h1:Xp6py0emaiFCoiiz6tDXjErHnFMxtVcCnbh78KBm+6k=
-gioui.org v0.0.0-20191107200801-f1d971268eb1/go.mod h1:KqFFi2Dq5gYA3FJ0sDOt8OBXoMsuxMtE8v2f0JExXAY=
+gioui.org v0.0.0-20191109184610-d8c9cb426c41 h1:MC7OzV8nE8N1fBl3MgZLe8xquNkr+uezK0+1cnxrJFc=
+gioui.org v0.0.0-20191109184610-d8c9cb426c41/go.mod h1:KqFFi2Dq5gYA3FJ0sDOt8OBXoMsuxMtE8v2f0JExXAY=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=