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Fix Gio example and dependencies, fixes #337
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,45 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "log" | ||
| "os" | ||
|
|
||
| "gioui.org/app" | ||
| "gioui.org/layout" | ||
| "gioui.org/op" | ||
| "github.com/tdewolff/canvas" | ||
| "github.com/tdewolff/canvas/renderers/gio" | ||
| ) | ||
|
|
||
| func main() { | ||
| go func() { | ||
| w := new(app.Window) | ||
| if err := run(w); err != nil { | ||
| log.Fatal(err) | ||
| } | ||
| os.Exit(0) | ||
| }() | ||
| app.Main() | ||
| } | ||
|
|
||
| func run(window *app.Window) error { | ||
| var ops op.Ops | ||
| for { | ||
| switch e := window.Event().(type) { | ||
| case app.DestroyEvent: | ||
| return e.Err | ||
| case app.FrameEvent: | ||
| gtx := app.NewContext(&ops, e) | ||
|
|
||
| layout.Center.Layout(gtx, func(gtx layout.Context) layout.Dimensions { | ||
| c := gio.NewContain(gtx, 200.0, 100.0) | ||
| ctx := canvas.NewContext(c) | ||
| if err := canvas.DrawPreview(ctx); err != nil { | ||
| panic(err) | ||
| } | ||
| return c.Dimensions() | ||
| }) | ||
| e.Frame(gtx.Ops) | ||
| } | ||
| } | ||
| } |
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