example/gophers: update gio version

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

example/go.mod

@@ -3,7 +3,7 @@ module gioui.org/example
 go 1.13
 
 require (
-	gioui.org v0.0.0-20191014143932-b30bf3cef8b1
+	gioui.org v0.0.0-20191014161730-8da2c9dbb4c4
 	github.com/google/go-github/v24 v24.0.1
 	golang.org/x/exp v0.0.0-20191002040644-a1355ae1e2c3
 	golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45

example/go.sum

@@ -1,7 +1,7 @@
 cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
-gioui.org v0.0.0-20191014143932-b30bf3cef8b1 h1:BhetOsT5IaDOb5cLxWNRBhUToU8C1/WI2nb5sTYKDQE=
-gioui.org v0.0.0-20191014143932-b30bf3cef8b1/go.mod h1:KqFFi2Dq5gYA3FJ0sDOt8OBXoMsuxMtE8v2f0JExXAY=
+gioui.org v0.0.0-20191014161730-8da2c9dbb4c4 h1:qPPb0TIQ5hVjk7XOg/E7nZL2ImiOgWAmWH9kATsaN3w=
+gioui.org v0.0.0-20191014161730-8da2c9dbb4c4/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=
 github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=

example/gophers/main.go

@@ -25,6 +25,7 @@ import (
 	"gioui.org/io/key"
 	"gioui.org/io/system"
 	"gioui.org/layout"
+	"gioui.org/op/paint"
 	"gioui.org/unit"
 
 	"github.com/google/go-github/v24/github"
@@ -191,7 +192,9 @@ func (a *App) fetchContributors() {
 		}()
 		go func() {
 			a, err := fetchImage(avatar)
-			u.avatar = a
+			if a != nil {
+				u.avatar = paint.NewImageOp(a)
+			}
 			userErrs <- err
 		}()
 	}
@@ -205,7 +208,7 @@ func (a *App) fetchContributors() {
 	}
 	// Drop users with no avatar or name.
 	for i := len(users) - 1; i >= 0; i-- {
-		if u := users[i]; u.name == "" || u.avatar == nil {
+		if u := users[i]; u.name == "" || u.avatar.Size() == (image.Point{}) {
 			users = append(users[:i], users[i+1:]...)
 		}
 	}

example/gophers/ui.go

@@ -61,7 +61,7 @@ type user struct {
 	name    string
 	login   string
 	company string
-	avatar  image.Image
+	avatar  paint.ImageOp
 }
 
 var theme *material.Theme