Golang sdl.SetVideoMode函数代码示例

func main() {
	if sdl.Init(sdl.INIT_VIDEO) < 0 {
		panic("Video initialization failed: " + sdl.GetError())
	}

	if sdl.EnableKeyRepeat(100, 25) != 0 {
		panic("Setting keyboard repeat failed: " + sdl.GetError())
	}

	videoFlags := sdl.OPENGL    // Enable OpenGL in SDL
	videoFlags |= sdl.DOUBLEBUF // Enable double buffering
	videoFlags |= sdl.HWPALETTE // Store the palette in hardware
	// FIXME: this causes segfault.
	// videoFlags |= sdl.RESIZABLE // Enable window resizing

	surface = sdl.SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, uint32(videoFlags))

	if surface == nil {
		panic("Video mode set failed: " + sdl.GetError())
	}

	sdl.GL_SetAttribute(sdl.GL_DOUBLEBUFFER, 1)
	initGL()
	resizeWindow(SCREEN_WIDTH, SCREEN_HEIGHT)

	SetupWorld("data/world.txt")

	// wait for events
	running := true
	isActive := true
	for running {
		for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
			switch e := ev.(type) {
			case *sdl.ActiveEvent:
				isActive = e.Gain != 0
			case *sdl.ResizeEvent:
				width, height := int(e.W), int(e.H)
				surface = sdl.SetVideoMode(width, height, SCREEN_BPP, uint32(videoFlags))
				if surface == nil {
					fmt.Println("Could not get a surface after resize:", sdl.GetError())
					Quit(1)
				}
				resizeWindow(width, height)
			case *sdl.KeyboardEvent:
				if e.Type == sdl.KEYDOWN {
					handleKeyPress(e.Keysym)
				}
			case *sdl.QuitEvent:
				running = false
			}
		}

		// draw the scene
		if isActive {
			drawGLScene(sector1)
		}
	}
}

func main() {

	flag.Parse()

	var done bool
	var keys []uint8

	sdl.Init(sdl.INIT_VIDEO)

	var screen = sdl.SetVideoMode(640, 480, 16, sdl.OPENGL|sdl.RESIZABLE)

	if screen == nil {
		sdl.Quit()
		panic("Couldn't set 300x300 GL video mode: " + sdl.GetError() + "\n")
	}

	sdl.WM_SetCaption("Gears", "gears")

	init_()
	reshape(int(screen.W), int(screen.H))
	done = false
	for !done {
		var event sdl.Event

		idle()
		for event.Poll() {
			switch event.Type {
			case sdl.VIDEORESIZE:
				screen = sdl.SetVideoMode(int(event.Resize().W), int(event.Resize().H), 16,
					sdl.OPENGL|sdl.RESIZABLE)
				if screen != nil {
					reshape(int(screen.W), int(screen.H))
				} else {
					panic("we couldn't set the new video mode??")
				}
				break

			case sdl.QUIT:
				done = true
				break
			}
		}
		keys = sdl.GetKeyState()

		handleKeyPress(keys)
		if keys[sdl.K_ESCAPE] != 0 {
			done = true
		}

		draw()
	}
	sdl.Quit()
	return

}

//=================================
//Initialize Lortet
//=================================
func main() {
	//INIT SDL
	if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
		panic(sdl.GetError())
	}

	screen = sdl.SetVideoMode(SCREENWIDTH, SCREENHEIGHT, BPP, sdl.SWSURFACE)
	if screen == nil {
		panic(sdl.GetError())
	}

	sdl.WM_SetCaption("MapMaker", "")

	if ttf.Init() != 0 {
		panic(sdl.GetError())
	}

	font = ttf.OpenFont("../Fontin Sans.otf", 15)

	if font == nil {
		panic(sdl.GetError())
	}

	objects = ScreenObjects{}

	//Load Media
	IM = LoadImages()

	MainLoop()

	ExitProgram()
}

func main() {

	sdl.Init(sdl.INIT_VIDEO)

	var screen = sdl.SetVideoMode(640, 480, 32, sdl.OPENGL)

	if screen == nil {
		panic("sdl error")
	}

	if gl.Init() != 0 {
		panic("glew error")
	}

	pen := Pen{}

	gl.MatrixMode(gl.PROJECTION)

	gl.Viewport(0, 0, gl.GLsizei(screen.W), gl.GLsizei(screen.H))
	gl.LoadIdentity()
	gl.Ortho(0, gl.GLdouble(screen.W), gl.GLdouble(screen.H), 0, -1.0, 1.0)

	gl.ClearColor(1, 1, 1, 0)
	gl.Clear(gl.COLOR_BUFFER_BIT)

	var running = true

	for running {

		e := &sdl.Event{}

		for e.Poll() {
			switch e.Type {
			case sdl.QUIT:
				running = false
				break
			case sdl.KEYDOWN:
				running = false
				break
			case sdl.MOUSEMOTION:
				me := e.MouseMotion()
				if me.State != 0 {
					pen.lineTo(Point{int(me.X), int(me.Y)})
				} else {
					pen.moveTo(Point{int(me.X), int(me.Y)})
				}
				break
			}
		}

		sdl.GL_SwapBuffers()
		sdl.Delay(25)
	}

	sdl.Quit()

}

func reinitScreen(width, height int) {
	winWidth, winHeight = gl.Sizei(width), gl.Sizei(height)
	if sdlScreen != nil {
		sdlScreen.Free()
	}
	sdlScreen = sdl.SetVideoMode(width, height, 24, sdl.OPENGL|sdl.RESIZABLE)
	if sdlScreen == nil {
		panic("SDL video init error")
	}
}

func resize(width int, height int) {
	screen = sdl.SetVideoMode(width, height, 32, sdl.RESIZABLE)
	if screen == nil {
		panic(sdl.GetError())
	}

	gridSizePixels := min(width, height)
	cellSize = gridSizePixels / gridSize
	offsetX = (width - gridSizePixels) / 2
	offsetY = (height - gridSizePixels) / 2
}

func main() {

	sdl.Init(sdl.INIT_VIDEO)

	var screen = sdl.SetVideoMode(640, 480, 32, sdl.OPENGL)

	if screen == nil {
		panic("sdl error")
	}

	if gl.Init() != 0 {
		panic("gl error")
	}

	pen := Pen{}

	gl.MatrixMode(gl.PROJECTION)

	gl.Viewport(0, 0, int(screen.W), int(screen.H))
	gl.LoadIdentity()
	gl.Ortho(0, float64(screen.W), float64(screen.H), 0, -1.0, 1.0)

	gl.ClearColor(1, 1, 1, 0)
	gl.Clear(gl.COLOR_BUFFER_BIT)

	var running = true

	for running {

		for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
			switch ev := e.(type) {
			case *sdl.QuitEvent:
				running = false
			case *sdl.KeyboardEvent:
				if ev.Keysym.Sym == sdl.K_ESCAPE {
					running = false
				}
			case *sdl.MouseMotionEvent:
				if ev.State != 0 {
					pen.lineTo(Point{int(ev.X), int(ev.Y)})
				} else {
					pen.moveTo(Point{int(ev.X), int(ev.Y)})
				}
			}
		}

		sdl.GL_SwapBuffers()
		sdl.Delay(25)
	}

	sdl.Quit()

}

func SetupVideo() {

	if sdl.Init(sdl.INIT_VIDEO) < 0 {
		panic("Couldn't initialize sdl")
	}

	w := WinW
	h := WinH

	var screen = sdl.SetVideoMode(w, h, 32, SDL_FLAGS)

	//	var screen = sdl.SetVideoMode(w, h, 32, sdl.OPENGLBLIT | sdl.DOUBLEBUF | sdl.HWSURFACE)
	//	var screen = sdl.SetVideoMode(w, h, 32, sdl.OPENGL)

	if screen == nil {
		panic("sdl error")
	}

	if ttf.Init() != 0 {
		panic("ttf init error")
	}

	if gl.Init() != 0 {
		panic("Couldn't init gl")
	}

	ResizeWindow(screen.W, screen.H)

	gl.ClearColor(0, 0, 0, 0)
	//	gl.ClearColor(1, 1, 1, 0)
	gl.ClearDepth(1.0)
	gl.DepthFunc(gl.LEQUAL)
	gl.Enable(gl.DEPTH_TEST)
	gl.ShadeModel(gl.SMOOTH)
	gl.Hint(gl.PERSPECTIVE_CORRECTION_HINT, gl.NICEST)

	/*
		if gl.Init() != 0 {
			panic("glew error")
		}
	*/
	//	gl.Clear(gl.COLOR_BUFFER_BIT | gl.DEPTH_BUFFER_BIT )

	// gl.Clear(gl.COLOR_BUFFER_BIT)

	// initGL

	// gl.Ortho(0, gl.GLdouble(screen.W), gl.GLdouble(screen.H), 0, -1.0, 1.0)

}

func main() {
	if sdl.Init(sdl.INIT_VIDEO) != 0 {
		fmt.Println(sdl.GetError())
		return
	}
	defer sdl.Quit()

	if sdl.SetVideoMode(200, 200, 32, 0) == nil {
		fmt.Println(sdl.GetError())
		return
	}

	for e := new(sdl.Event); e.Wait() && e.Type != sdl.QUIT; {
	}
}

func main() {

	if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
		panic(sdl.GetError())
	}

	var screen = sdl.SetVideoMode(640, 480, 32, 0)

	if screen == nil {
		panic(sdl.GetError())
	}

	sdl.WM_SetCaption("Template", "")

	running := true

	for running {

		e := &sdl.Event{}

		for e.Poll() {
			switch e.Type {
			case sdl.QUIT:
				running = false
				break
			default:
			}
		}

		screen.FillRect(nil, 0x000000)

		//screen.Blit(&sdl.Rect{x,y, 0, 0}, image, nil)

		screen.Flip()
		sdl.Delay(25)

	}

	sdl.Quit()

}

func NewWindow(w, h, bpp int, flags uint32) (gui.Window, error) {
	win := new(window)

	err := initinc()
	if err != nil {
		return nil, err
	}

	win.screen = sdl.SetVideoMode(w, h, bpp, flags)
	if win.screen == nil {
		return nil, errors.New(sdl.GetError())
	}

	win.ec = make(chan interface{})
	win.events = true
	go win.eventLoop()

	runtime.SetFinalizer(win, func(subwin *window) {
		subwin.Close()
	})

	return win, nil
}

func (engine *SDLEngine) Init(settings *GraphicsSettings) os.Error {
	runtime.LockOSThread()

	if sdl.Init(sdl.INIT_VIDEO) != 0 {
		return os.NewError("unable to initialize sdl.")
	}

	if sdl.GL_SetAttribute(sdl.GL_DOUBLEBUFFER, 1) != 0 {
		sdl.Quit()
		return os.NewError("double buffering not available.")
	}

	engine.screen = sdl.SetVideoMode(settings.Width, settings.Height, 16, sdl.OPENGL|sdl.RESIZABLE)
	if engine.screen == nil {
		sdl.Quit()
		return os.NewError("unable to set video mode.")
	}

	sdl.WM_SetCaption(settings.Caption, settings.Caption)

	engine.gdevice = NewOpenGLGraphicsDevice()

	return nil
}

func main() {
	runtime.LockOSThread()
	flag.Parse()
	buildPalette()
	sdl.Init(sdl.INIT_VIDEO)
	defer sdl.Quit()

	sdl.GL_SetAttribute(sdl.GL_SWAP_CONTROL, 1)

	if sdl.SetVideoMode(512, 512, 32, sdl.OPENGL) == nil {
		panic("sdl error")
	}

	if gl.Init() != 0 {
		panic("gl error")
	}

	sdl.WM_SetCaption("Gomandel", "Gomandel")

	gl.Enable(gl.TEXTURE_2D)
	gl.Viewport(0, 0, 512, 512)
	gl.MatrixMode(gl.PROJECTION)
	gl.LoadIdentity()
	gl.Ortho(0, 512, 512, 0, -1, 1)

	gl.ClearColor(0, 0, 0, 0)

	//-----------------------------------------------------------------------------
	var dndDragging bool = false
	var dndStart Point
	var dndEnd Point
	var tex gl.Texture
	var tc TexCoords
	var lastProgress int
	initialRect := Rect{-1.5, -1.5, 3, 3}
	rect := initialRect

	rc := new(MandelbrotRequest)
	rc.MakeRequest(512, 512, rect)
	rc.WaitFor(Small, &tex, &tc)

	running := true
	e := new(sdl.Event)
	for running {
		for e.Poll() {
			switch e.Type {
			case sdl.QUIT:
				running = false
			case sdl.MOUSEBUTTONDOWN:
				dndDragging = true
				sdl.GetMouseState(&dndStart.X, &dndStart.Y)
				dndEnd = dndStart
			case sdl.MOUSEBUTTONUP:
				dndDragging = false
				sdl.GetMouseState(&dndEnd.X, &dndEnd.Y)
				if e.MouseButton().Button == 3 {
					rect = initialRect
				} else {
					rect = rectFromSelection(dndStart, dndEnd, 512, 512, rect)
					tc = texCoordsFromSelection(dndStart, dndEnd, 512, 512, tc)
				}

				// make request
				rc.MakeRequest(512, 512, rect)
			case sdl.MOUSEMOTION:
				if dndDragging {
					sdl.GetMouseState(&dndEnd.X, &dndEnd.Y)
				}
			}
		}

		// if we're waiting for a result, check if it's ready
		p := rc.Update(&tex, &tc)
		if p != -1 {
			lastProgress = p
		}

		gl.Clear(gl.COLOR_BUFFER_BIT)
		tex.Bind(gl.TEXTURE_2D)
		drawQuad(0, 0, 512, 512, tc.TX, tc.TY, tc.TX2, tc.TY2)
		gl.BindTexture(gl.TEXTURE_2D, 0)
		if dndDragging {
			drawSelection(dndStart, dndEnd)
		}
		drawProgress(512, 512, lastProgress, rc.Pending)
		sdl.GL_SwapBuffers()
	}
}

func main() {

	if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
		panic(sdl.GetError())
	}

	if ttf.Init() != 0 {
		panic(sdl.GetError())
	}

	if mixer.OpenAudio(mixer.DEFAULT_FREQUENCY, mixer.DEFAULT_FORMAT,
		mixer.DEFAULT_CHANNELS, 4096) != 0 {
		panic(sdl.GetError())
	}

	var screen = sdl.SetVideoMode(640, 480, 32, sdl.RESIZABLE)

	if screen == nil {
		panic(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("test.png")

	if image == nil {
		panic(sdl.GetError())
	}

	sdl.WM_SetIcon(image, nil)

	running := true

	font := ttf.OpenFont("Fontin Sans.otf", 72)

	if font == nil {
		panic(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("test.ogg")
	sound := mixer.LoadWAV("sound.ogg")

	if music == nil || sound == nil {
		panic(sdl.GetError())
	}

	music.PlayMusic(-1)

	if sdl.GetKeyName(270) != "[+]" {
		panic("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)

	for running {
		for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
			switch e := ev.(type) {
			case *sdl.QuitEvent:
				running = false
				break
			case *sdl.KeyboardEvent:
				println("")
				println(e.Keysym.Sym, ": ", sdl.GetKeyName(sdl.Key(e.Keysym.Sym)))

				if e.Keysym.Sym == 27 {
					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 {
//.........这里部分代码省略.........

func main() {
	// Initialize SDL
	if sdl.Init(sdl.INIT_VIDEO) < 0 {
		panic("Video initialization failed: " + sdl.GetError())
	}

	// flags to pass to sdl.SetVideoMode
	videoFlags := sdl.OPENGL    // Enable OpenGL in SDL
	videoFlags |= sdl.DOUBLEBUF // Enable double buffering
	videoFlags |= sdl.HWPALETTE // Store the palette in hardware
	// FIXME: this causes segfault.
	// videoFlags |= sdl.RESIZABLE // Enable window resizing

	// get a SDL surface
	surface = sdl.SetVideoMode(SCREEN_WIDTH, SCREEN_HEIGHT, SCREEN_BPP, uint32(videoFlags))

	// verify there is a surface
	if surface == nil {
		panic("Video mode set failed: " + sdl.GetError())
		Quit(1)
	}

	// When this function is finished, clean up and exit.
	defer Quit(0)

	// Sets up OpenGL double buffering
	sdl.GL_SetAttribute(sdl.GL_DOUBLEBUFFER, 1)

	// Execute everything needed for OpenGL
	initGL()

	// Resize the initial window
	resizeWindow(SCREEN_WIDTH, SCREEN_HEIGHT)

	// wait for events
	running := true
	isActive := true
	for running {
		for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
			switch e := ev.(type) {
			case *sdl.ActiveEvent:
				isActive = e.Gain != 0
			case *sdl.ResizeEvent:
				width, height := int(e.W), int(e.H)
				surface = sdl.SetVideoMode(width, height, SCREEN_BPP, uint32(videoFlags))

				if surface == nil {
					fmt.Println("Could not get a surface after resize:", sdl.GetError())
					Quit(1)
				}
				resizeWindow(width, height)
			case *sdl.KeyboardEvent:
				if e.Type == sdl.KEYDOWN {
					handleKeyPress(e.Keysym)
				}
			case *sdl.QuitEvent:
				running = false
			}
		}

		// draw the scene
		if isActive {
			drawGLScene()
		}
	}
}