func drawPiece(s *sdl.Surface, col, row int, p c4.Piece) { // Load images if redImage == nil { redImage = sdl.Load("red.png") } if blackImage == nil { blackImage = sdl.Load("black.png") } if noneImage == nil { noneImage = sdl.Load("empty.png") } // Select image var image *sdl.Surface if p == c4.Red { image = redImage } else if p == c4.Black { image = blackImage } else { image = noneImage } // Draw image s.Blit( &sdl.Rect{ int16(SCREEN_WIDTH * col / c4.MaxColumns), int16(SCREEN_HEIGHT * (c4.MaxRows - row - 1) / c4.MaxRows), 0, 0}, image, nil) }
func LoadImage(name string) *sdl.Surface { image := sdl.Load(name) if image == nil { panic(sdl.GetError()) } return image }
func initTest() { if sdl.Init(sdl.INIT_VIDEO) != 0 { panic(sdl.GetError()) } if ttf.Init() != 0 { panic(sdl.GetError()) } font = ttf.OpenFont("../testdata/VeraMono.ttf", 12) if font == nil { panic(sdl.GetError()) } appSurface = sdl.SetVideoMode(appSurfaceW, appSurfaceH, 32, 0) gopher = sdl.Load("../testdata/gopher.jpg") sdlrenderer := clingon.NewSDLRenderer(sdl.CreateRGBSurface(sdl.SRCALPHA, int(consoleW), int(consoleH), 32, 0, 0, 0, 0), font) sdlrenderer.GetSurface().SetAlpha(sdl.SRCALPHA, 0xaa) newRenderingLoop(sdlrenderer) console = clingon.NewConsole(&Echoer{}) console.SetRenderer(sdlrenderer) console.Print("Welcome to the CLIngon shell!\n\n") }
func load_image(filename string) *sdl.Surface { loadedImage := sdl.Load(filename) if loadedImage == nil { panic(sdl.GetError()) } optimizedImage := loadedImage.DisplayFormat() loadedImage.Free() return optimizedImage }
func main() { if sdl.Init(sdl.INIT_EVERYTHING) != 0 { panic(sdl.GetError()) } defer sdl.Quit() screen := sdl.SetVideoMode(640, 480, 32, sdl.SWSURFACE) if screen == nil { panic(sdl.GetError()) } hello := sdl.Load("hello.bmp") screen.Blit(nil, hello, nil) screen.Flip() sdl.Delay(2000) hello.Free() }
// Initialization boilerplate func initialize(config *configuration) *renderer { var bgImage, appSurface *sdl.Surface if sdl.Init(sdl.INIT_VIDEO) != 0 { panic(sdl.GetError()) } if ttf.Init() != 0 { panic(sdl.GetError()) } font := ttf.OpenFont(flag.Arg(0), 12) if font == nil { panic(sdl.GetError()) } sdl.EnableUNICODE(1) if config.fullscreen { flags := sdl.FULLSCREEN appSurface = sdl.SetVideoMode(640, 480, 32, uint32(flags)) sdl.ShowCursor(sdl.DISABLE) } else { appSurface = sdl.SetVideoMode(640, 480, 32, 0) } if config.bgImage != "" { bgImage = sdl.Load(config.bgImage) } sdlrenderer = clingon.NewSDLRenderer(sdl.CreateRGBSurface(sdl.SRCALPHA, int(config.consoleW), int(config.consoleH), 32, 0, 0, 0, 0), font) sdlrenderer.GetSurface().SetAlpha(sdl.SRCALPHA, 0xaa) return &renderer{ config: config, appSurface: appSurface, sdlRenderer: sdlrenderer, bgImageSurface: bgImage, } }
func main() { log.SetFlags(0) var resourcePath string { GOPATH := os.Getenv("GOPATH") if GOPATH == "" { log.Fatal("No such environment variable: GOPATH") } for _, gopath := range strings.Split(GOPATH, ":") { a := gopath + "/src/github.com/0xe2-0x9a-0x9b/Go-SDL/sdl-test" _, err := os.Stat(a) if err == nil { resourcePath = a break } } if resourcePath == "" { log.Fatal("Failed to find resource directory") } } var joy *sdl.Joystick if sdl.Init(sdl.INIT_EVERYTHING) != 0 { log.Fatal(sdl.GetError()) } if ttf.Init() != 0 { log.Fatal(sdl.GetError()) } if sdl.NumJoysticks() > 0 { // Open joystick joy = sdl.JoystickOpen(0) if joy != nil { println("Opened Joystick 0") println("Name: ", sdl.JoystickName(0)) println("Number of Axes: ", joy.NumAxes()) println("Number of Buttons: ", joy.NumButtons()) println("Number of Balls: ", joy.NumBalls()) } else { println("Couldn't open Joystick!") } } if mixer.OpenAudio(mixer.DEFAULT_FREQUENCY, mixer.DEFAULT_FORMAT, mixer.DEFAULT_CHANNELS, 4096) != 0 { log.Fatal(sdl.GetError()) } var screen = sdl.SetVideoMode(640, 480, 32, sdl.RESIZABLE) if screen == nil { log.Fatal(sdl.GetError()) } var video_info = sdl.GetVideoInfo() println("HW_available = ", video_info.HW_available) println("WM_available = ", video_info.WM_available) println("Video_mem = ", video_info.Video_mem, "kb") sdl.EnableUNICODE(1) sdl.WM_SetCaption("Go-SDL SDL Test", "") image := sdl.Load(resourcePath + "/test.png") if image == nil { log.Fatal(sdl.GetError()) } sdl.WM_SetIcon(image, nil) running := true font := ttf.OpenFont(resourcePath+"/Fontin Sans.otf", 72) if font == nil { log.Fatal(sdl.GetError()) } font.SetStyle(ttf.STYLE_UNDERLINE) white := sdl.Color{255, 255, 255, 0} text := ttf.RenderText_Blended(font, "Test (with music)", white) music := mixer.LoadMUS(resourcePath + "/test.ogg") sound := mixer.LoadWAV(resourcePath + "/sound.ogg") if music == nil || sound == nil { log.Fatal(sdl.GetError()) } music.PlayMusic(-1) if sdl.GetKeyName(270) != "[+]" { log.Fatal("GetKeyName broken") } 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 // Note: The following SDL code is highly ineffective. // It is eating too much CPU. If you intend to use Go-SDL, // you should to do better than this. for running { select { case <-ticker.C: screen.FillRect(nil, 0x302019) screen.Blit(&sdl.Rect{0, 0, 0, 0}, text, nil) loop: for { select { case p := <-draw: screen.Blit(&sdl.Rect{int16(p.x), int16(p.y), 0, 0}, image, nil) case <-out: default: break loop } } var p Point sdl.GetMouseState(&p.x, &p.y) worm_in <- p screen.Flip() case _event := <-sdl.Events: switch e := _event.(type) { case sdl.QuitEvent: running = false case sdl.KeyboardEvent: println("") println(e.Keysym.Sym, ": ", sdl.GetKeyName(sdl.Key(e.Keysym.Sym))) if e.Keysym.Sym == sdl.K_ESCAPE { running = false } fmt.Printf("%04x ", e.Type) for i := 0; i < len(e.Pad0); i++ { fmt.Printf("%02x ", e.Pad0[i]) } println() fmt.Printf("Type: %02x Which: %02x State: %02x Pad: %02x\n", e.Type, e.Which, e.State, e.Pad0[0]) fmt.Printf("Scancode: %02x Sym: %08x Mod: %04x Unicode: %04x\n", e.Keysym.Scancode, e.Keysym.Sym, e.Keysym.Mod, e.Keysym.Unicode) 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) sound.PlayChannel(-1, 0) } case sdl.JoyAxisEvent: println("Joystick Axis Event ->", "Type", e.Type, "Axis:", e.Axis, " Value:", e.Value, "Which:", e.Which) case sdl.JoyButtonEvent: println("Joystick Button Event ->", e.Button) println("State of button", e.Button, "->", joy.GetButton(int(e.Button))) case sdl.ResizeEvent: println("resize screen ", e.W, e.H) screen = sdl.SetVideoMode(int(e.W), int(e.H), 32, sdl.RESIZABLE) if screen == nil { log.Fatal(sdl.GetError()) } } } } // Close if opened if sdl.JoystickOpened(0) > 0 { joy.Close() } image.Free() music.Free() font.Close() ttf.Quit() sdl.Quit() }