// Error wrapper.
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
flag.Parse()
if len(flag.Args()) < 1 {
usage()
os.Exit(0)
}
defer profile.Start(profile.CPUProfile).Stop()
// Count go routines.
osqChan := make(chan Osquarulda)
for _, name := range flag.Args() {
go errWrapLookup(name, osqChan)
}
// Download waitgroup.
wg := new(sync.WaitGroup)
for argc := flag.NArg(); argc > 0; argc-- {
osq := <-osqChan
// Ignore empty images.
if osq.ImgUrl == nil {
continue
}
go errWrapDownload(osq, wg)
wg.Add(1)
}
// Wait for downloads!
wg.Wait()
}
func main() {
runtime.GOMAXPROCS(runtime.NumCPU())
defer profile.Start(profile.CPUProfile).Stop()
err := renderMandelbrot()
if err != nil {
log.Fatalln(err)
}
}
// simple demonstrates how to draw images using the Draw and DrawRect methods.
// It also gives an example of a basic event loop.
func simple() (err error) {
runtime.GOMAXPROCS(runtime.NumCPU())
defer profile.Start(profile.CPUProfile).Stop()
// Open the window.
err = win.Open(width, height, win.Resizeable)
if err != nil {
return err
}
defer win.Close()
// Load image resources.
err = loadResources()
if err != nil {
return err
}
defer freeResources()
// start and frames will be used to calculate the average FPS of the
// application.
start := time.Now()
frames := 0
// Render the images onto the window.
err = render()
if err != nil {
return err
}
// Update and event loop.
for {
// Display window updates on screen.
err = win.Update()
if err != nil {
return err
}
frames++
// Poll events until the event queue is empty.
for e := win.PollEvent(); e != nil; e = win.PollEvent() {
fmt.Printf("%T event: %v\n", e, e)
switch obj := e.(type) {
case we.KeyPress:
r := obj.Key.String()
err = zz(r)
case we.KeyRepeat:
r := obj.Key.String()
err = zz(r)
case we.KeyRune:
r := obj.String()
err = zz(r)
}
if err != nil {
return err
}
switch e.(type) {
case we.Close:
displayFPS(start, frames)
// Close the application.
return nil
case we.Resize:
// Rerender the images onto the window after resize events.
err = render()
if err != nil {
return err
}
}
}
// Cap refresh rate at 30 FPS.
time.Sleep(time.Second / 30)
}
}