func main() { if sdl.Init(sdl.INIT_VIDEO) != 0 { panic(sdl.GetError()) } defer sdl.Quit() window, rend := sdl.CreateWindowAndRenderer(640, 480, sdl.WINDOW_SHOWN| sdl.RENDERER_ACCELERATED| sdl.RENDERER_PRESENTVSYNC) if (window == nil) || (rend == nil) { fmt.Printf("%#v\n", sdl.GetError()) } window.SetTitle("Podcast Studio") running := true event := &sdl.Event{} for running { for event.Poll() { switch event.Type { case sdl.QUIT: running = false } } rend.SetDrawColor(sdl.Color{0x30, 0xff, 0x30, 0xFF, 0x00}) //rect := &sdl.Rect{0, 0, (uint16)(window.W), (uint16)(window.H)} //rend.FillRect(rect) rend.FillRect(nil) rend.Present() } }
func loadImage(name string) *sdl.Surface { image := sdl.Load(name) if image == nil { panic(sdl.GetError()) } return image }
func main() { if sdl.Init(sdl.INIT_EVERYTHING) != 0 { log.Fatal(sdl.GetError()) } defer sdl.Quit() if mixer.OpenAudio(mixer.DEFAULT_FREQUENCY, mixer.DEFAULT_FORMAT, mixer.DEFAULT_CHANNELS, 4096) != 0 { log.Fatal(sdl.GetError()) } window, rend := sdl.CreateWindowAndRenderer(640, 480, sdl.WINDOW_SHOWN) if window == nil { log.Println("nil window") log.Fatal(sdl.GetError()) } defer window.Destroy() if rend == nil { log.Println("nil rend") log.Fatal(sdl.GetError()) } defer rend.Destroy() if ttf.Init() != 0 { log.Fatal(sdl.GetError()) } defer ttf.Quit() window.SetTitle("First SDL2 Window") image := sdl.Load("./test.png") defer image.Free() if image == nil { log.Println("nil image") log.Fatal(sdl.GetError()) } window.SetIcon(image) tex := rend.CreateTextureFromSurface(image) defer tex.Destroy() font := ttf.OpenFont("./Fontin Sans.otf", 16) defer font.Close() txt_tex, _, _ := RenderTextToTexture(rend, font, "This is a test", sdl.Color{0x7F, 0xFF, 0x10, 0xFF}) defer txt_tex.Destroy() running := true worm_in := make(chan Point) draw := make(chan Point, 64) var out chan Point var in chan Point out = worm_in in = out out = make(chan Point) go worm(in, out, draw) // ticker := time.NewTicker(time.Second / 50) // 50 Hz window.ShowSimpleMessageBox(sdl.MESSAGEBOX_INFORMATION, "Test Message", "SDL2 supports message boxes!") event := &sdl.Event{} for running { // select { /* case <-ticker.C: rend.SetDrawColor(0x30, 0x20, 0x19, 0xFF) rend.FillRect(nil) if sdl.GetError() != "" { log.Fatalf(sdl.GetError()) } loop: for { select { case p := <-draw: rend.Clear() rend.Copy(tex, &sdl.Rect{int16(p.x), int16(p.y), 0, 0}, nil) case <-out: default: break loop } } var p Point sdl.GetMouseState(&p.x, &p.y) worm_in <- p rend.Present() */ for event.Poll() { switch e := event.Get().(type) { case sdl.QuitEvent: running = false case sdl.KeyboardEvent: println("") println(e.Keysym.Keycode, ": ", sdl.GetKeyName(e.Keysym.Keycode)) if e.Keysym.Keycode == sdl.K_ESCAPE { running = false } fmt.Printf("%04x ", e.Type) println() fmt.Printf("Type: %02x State: %02x\n", e.Type, e.State) fmt.Printf("Scancode: %02x Keycode: %02x Mod: %04x\n", e.Keysym.Scancode, e.Keysym.Keycode, e.Keysym.Mod) case sdl.MouseButtonEvent: if e.Type == sdl.MOUSEBUTTONDOWN { println("Click:", e.X, e.Y) in = out out = make(chan Point) go worm(in, out, draw) } } } rend.SetDrawColor(sdl.Color{0x30, 0x20, 0x19, 0xFF}) rend.FillRect(nil) rend.Copy(tex, nil, nil) rend.Copy(txt_tex, nil, nil) rend.Present() } }
func main() { runtime.LockOSThread() // Parse command line flag.Parse() tracks := []string{} if flag.NArg() > 0 { tracks = flag.Args()[0:] } log.Println("Tracks: ", tracks) // Init libSoX and SDL if !sox.Init() { log.Fatal("Failed to init sox") } defer sox.Quit() einfo := sox.GetEncodingsInfo() log.Println("Supported encodings:") for _, e := range einfo { log.Printf("%s: %s (%x)\n", e.Name, e.Desc, e.Flags) } effects := sox.GetEffectHandlers() log.Println("Supported effects:") for _, e := range effects { log.Printf("%s: %s (%x)\n", e.Name(), e.Usage(), e.Flags()) } if sdl.Init(sdl.INIT_NOPARACHUTE|sdl.INIT_VIDEO|sdl.INIT_EVENTS) != 0 { log.Fatal(sdl.GetError()) } defer sdl.Quit() gtk.Init(nil) //sdl.GL_SetAttribute(sdl.GL_CONTEXT_MAJOR_VERSION, 2) //sdl.GL_SetAttribute(sdl.GL_CONTEXT_MINOR_VERSION, 1) //sdl.GL_SetAttribute(sdl.GL_DOUBLEBUFFER, 1) //sdl.GL_SetAttribute(sdl.GL_DEPTH_SIZE, 24) window, renderer := sdl.CreateWindowAndRenderer(640, 480, sdl.WINDOW_SHOWN|sdl.WINDOW_OPENGL|sdl.RENDERER_ACCELERATED|sdl.RENDERER_PRESENTVSYNC) if (window == nil) || (renderer == nil) { log.Fatal(sdl.GetError()) } //window.GL_CreateContext() if ttf.Init() != 0 { log.Fatal(sdl.GetError()) } defer window.Destroy() defer renderer.Destroy() defer ttf.Quit() window.SetTitle("Podcast Studio") log.Println("Video Driver:", sdl.GetCurrentVideoDriver()) // Jump to studio.go //run_studio(window, renderer, tracks) screen := studioSetup(window, renderer, tracks) defer screen.rsc.Free() defer screen.Destroy() loop := glib.NewMainLoop(nil, false) glib.IdleAdd(func() bool { ret := studioUpdate(window, renderer, screen) if !ret { loop.Quit() return false } return true }) loop.Run() }