func renderPreview(filename string) {
data, err := Probe(filename)
if err != nil {
panic(err)
}
d := data.Format.Duration()
const PreviewSize = 128
canvas := image.NewRGBA(image.Rect(0, 0, int(PreviewSize*d/time.Second), PreviewSize))
for x := canvas.Bounds().Min.X; x < canvas.Bounds().Max.X; {
img, err := Frame(filename, time.Duration(x)*time.Second/PreviewSize, "-vf", fmt.Sprintf("scale=-1:%d", PreviewSize))
if err != nil {
break
}
draw.Draw(canvas, img.Bounds().Add(image.Point{x, 0}), img, image.ZP, draw.Src)
x += img.Bounds().Dx()
}
go ui.Do(func() {
showPreview(canvas)
})
}
func main() {
go ui.Do(initGUI)
err := ui.Go()
if err != nil {
panic(err)
}
}
func main() {
go ui.Do(func() {
name := ui.NewTextField()
button := ui.NewButton("greet")
greeting := ui.NewLabel("")
stack := ui.NewVerticalStack(
ui.NewLabel("name:"),
name,
button,
greeting)
window = ui.NewWindow("hello world", 200, 100, stack)
button.OnClicked(func() {
greeting.SetText("hello, " + name.Text() + "!")
})
window.OnClosing(func() bool {
ui.Stop()
return true
})
window.Show()
})
err := ui.Go()
if err != nil {
panic(err)
}
}
func main() {
go ui.Do(gui)
err := ui.Go()
if err != nil {
log.Print(err)
}
}
func main() {
// This runs the code that displays our GUI.
// All code that interfaces with package ui (except event handlers) must be run from within a ui.Do() call.
go ui.Do(gui)
err := ui.Go()
if err != nil {
log.Print(err)
}
}
func main() {
var err error
current, err = fetchLatest()
if err != nil {
log.Fatalf("Error : %v\n", err)
}
go ui.Do(initGui)
err = ui.Go()
if err != nil {
log.Fatalf("Error : %v\n", err)
}
}
func main() {
if len(os.Args) != 1 {
t := getJSON(getWords())
fmt.Println(simple(t))
} else {
go ui.Do(gui)
err := ui.Go()
if err != nil {
panic(err)
}
}
}
func main() {
simulation.Init()
timer_10ms := time.Tick(10 * time.Millisecond)
go ui.Do(func() {
widthFloat := float64(inWidth * dpi)
heightFloat := float64(inHeight * dpi)
width := int(widthFloat)
height := int(heightFloat)
// Give ourselves a drawable canvas:
canvas := &canvasArea{
img: image.NewRGBA(image.Rect(0, 0, width, height)),
}
area := ui.NewArea(width, height, canvas)
w := ui.NewWindow("e-minor v2", width+8*2, height+28*2, area)
w.SetMargined(false)
w.OnClosing(func() bool {
ui.Stop()
return true
})
w.Show()
// This *should* be in the main UI message loop, but the 'ui' package does not expose the message loop.
go func() {
for {
select {
case <-timer_10ms:
simulation.Timer_10msec()
default:
simulation.Handle()
}
}
}()
})
err := ui.Go()
if err != nil {
panic(err)
}
}
func main() {
go ui.Do(func() {
textview := ui.NewTextbox()
textview.SetText("asd")
window = ui.NewWindow("Hello", 300, 300, textview)
window.OnClosing(func() bool {
ui.Stop()
return true
})
window.Show()
})
go startListen()
err := ui.Go()
if err != nil {
panic(err)
}
}