Exemplo n.º 1
0
func loadImage(filename string) *sdl.Surface {
	// search res directory in following order
	// - ./res/
	// - $(GOPATH)/src/github.com/suapapa/whac-a-gopher/res/
	// - $(GOROOT)/src/pkg/github.com/suapapa/whac-a-gopher/res/
	var imagePath string
	for _, d := range resCandidates {
		tryPath := filepath.Join(d, filename)
		if _, err := os.Stat(tryPath); err == nil {
			imagePath = tryPath
			break
		}
	}

	if imagePath == "" {
		log.Fatalf("failed to find image, %s\n", imagePath)
	}

	if s := sdl.Load(imagePath); s != nil {
		log.Println(imagePath, "loaded")
		return s
	}

	log.Fatalf("failed to load image, %s\n", imagePath)
	return nil
}
Exemplo n.º 2
0
// Initializes a new board of the given size using the given ko rule.
func NewBoard(size BoardSize, ko KoType) (*Board, error) {
	b := new(Board)

	b.size = int(size)
	b.pieces = make([]*Piece, b.size*b.size)
	b.tmp = make([]*Piece, b.size*b.size)

	switch ko {
	case SimpleKo:
		b.ko = (*Board).simpleKo
	case SuperKo:
		b.ko = (*Board).superKo
	default:
		return nil, fmt.Errorf("Unknown ko type: %v", ko)
	}

	b.bg = sdl.Load(path.Join(BoardPath, fmt.Sprintf("%v.png", b.size)))
	if b.bg == nil {
		return nil, errors.New(sdl.GetError())
	}

	//b.img = sdl.CreateRGBSurface(sdl.HWSURFACE,
	//	int(b.bg.W),
	//	int(b.bg.H),
	//	int(b.bg.Format.BitsPerPixel),
	//	b.bg.Format.Rmask,
	//	b.bg.Format.Gmask,
	//	b.bg.Format.Bmask,
	//	b.bg.Format.Amask,
	//)
	//if b.img == nil {
	//	return nil, os.NewError(sdl.GetError())
	//}

	b.img = sdl.Load(path.Join(BoardPath, fmt.Sprintf("%v.png", b.size)))
	if b.img == nil {
		return nil, errors.New(sdl.GetError())
	}

	runtime.SetFinalizer(b, (*Board).free)

	return b, nil
}
Exemplo n.º 3
0
func loadImage(name string) *sdl.Surface {
	image := sdl.Load(name)

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

	return image

}
Exemplo n.º 4
0
// Load bitmap from path as GL texture
func LoadGLTexture(path string) {
	image := sdl.Load(path)
	if image == nil {
		panic(sdl.GetError())
	}

	// Check that the image's width is a power of 2
	if image.W&(image.W-1) != 0 {
		fmt.Println("warning:", path, "has a width that is not a power of 2")
	}

	// Also check if the height is a power of 2
	if image.H&(image.H-1) != 0 {
		fmt.Println("warning:", path, "has an height that is not a power of 2")
	}

	// get the number of channels in the SDL surface
	nOfColors := image.Format.BytesPerPixel
	var textureFormat gl.GLenum

	if nOfColors == 4 { // contains alpha channel
		if image.Format.Rmask == 0x000000ff {
			textureFormat = gl.RGBA
		} else {
			textureFormat = gl.BGRA
		}
	} else if nOfColors == 3 { // no alpha channel
		if image.Format.Rmask == 0x000000ff {
			textureFormat = gl.RGB
		} else {
			textureFormat = gl.BGR
		}
	} else {
		fmt.Println("warning:", path, "is not truecolor, this will probably break")
	}

	texture = gl.GenTexture()

	// Typical texture generation using data from the bitmap
	gl.BindTexture(gl.TEXTURE_2D, uint(texture))

	// Generate the texture
	gl.TexImage2D(gl.TEXTURE_2D, 0, int(image.Format.BytesPerPixel),
		int(image.W), int(image.H),
		0, textureFormat, gl.UNSIGNED_BYTE, image.Pixels,
	)

	// linear filtering
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)

	// free up memory we have used.
	image.Free()
}
Exemplo n.º 5
0
// Initializes a new piece.
func NewPiece(t string) (*Piece, error) {
	p := new(Piece)

	p.img = sdl.Load(path.Join(PiecePath, t+".png"))
	if p.img == nil {
		return nil, errors.New(sdl.GetError())
	}

	runtime.SetFinalizer(p, (*Piece).free)

	return p, nil
}
Exemplo n.º 6
0
func CreateImage(path string) *Surface {
	gopaths := strings.Split(os.Getenv("GOPATH"), ":")

	var img *sdl.Surface
	for _, gopath := range gopaths {
		img = sdl.Load(gopath + "/src/github.com/manveru/raptgo/" + path)
		if img != nil {
			return &Surface{img}
		}
	}

	panic(sdl.GetError())
}
Exemplo n.º 7
0
func LoadImage(path string) (image *sdl.Surface, format gl.GLenum) {
	image = sdl.Load(path)
	if image == nil {
		panic(sdl.GetError())
	}

	// Check that the image's width is a power of 2
	if image.W&(image.W-1) != 0 {
		fmt.Println("warning:", path, "has a width that is not a power of 2")
	}

	// Also check if the height is a power of 2
	if image.H&(image.H-1) != 0 {
		fmt.Println("warning:", path, "has an height that is not a power of 2")
	}

	// get the number of channels in the SDL surface
	nOfColors := image.Format.BytesPerPixel
	if nOfColors == 4 { // contains alpha channel
		if image.Format.Rmask == 0x000000ff {
			format = gl.RGBA
		} else {
			format = gl.BGRA
		}
	} else if nOfColors == 3 { // no alpha channel
		if image.Format.Rmask == 0x000000ff {
			format = gl.RGB
		} else {
			format = gl.BGR
		}
	} else {
		fmt.Println("warning:", path, "is not truecolor, this will probably break")
	}

	return image, format
}
Exemplo n.º 8
0
// load in bitmap as a GL texture
func LoadGLTextures(path string) {
	image := sdl.Load(path)
	if image == nil {
		panic(sdl.GetError())
	}

	// Check that the image's width is a power of 2
	if image.W&(image.W-1) != 0 {
		fmt.Println("warning:", path, "has a width that is not a power of 2")
	}

	// Also check if the height is a power of 2
	if image.H&(image.H-1) != 0 {
		fmt.Println("warning:", path, "has an height that is not a power of 2")
	}

	// get the number of channels in the SDL surface
	nOfColors := image.Format.BytesPerPixel
	var textureFormat gl.GLenum

	if nOfColors == 4 { // contains alpha channel
		if image.Format.Rmask == 0x000000ff {
			textureFormat = gl.RGBA
		} else {
			textureFormat = gl.BGRA
		}
	} else if nOfColors == 3 { // no alpha channel
		if image.Format.Rmask == 0x000000ff {
			textureFormat = gl.RGB
		} else {
			textureFormat = gl.BGR
		}
	} else {
		fmt.Println("warning:", path, "is not truecolor, this will probably break")
	}

	// Create the textures
	gl.GenTextures(textures[:])

	// First texture
	gl.BindTexture(gl.TEXTURE_2D, uint(textures[0]))
	gl.TexImage2D(
		gl.TEXTURE_2D,
		0,
		3,
		int(image.W),
		int(image.H),
		0,
		textureFormat,
		gl.UNSIGNED_BYTE,
		image.Pixels,
	)

	// linear filtering
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.NEAREST)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.NEAREST)

	// Second texture
	gl.BindTexture(gl.TEXTURE_2D, uint(textures[1]))
	gl.TexImage2D(gl.TEXTURE_2D, 0,
		3,
		int(image.W),
		int(image.H),
		0, textureFormat, gl.UNSIGNED_BYTE,
		image.Pixels,
	)

	// Mipmapped filtering
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)

	// Third texture
	gl.BindTexture(gl.TEXTURE_2D, uint(textures[2]))
	gl.TexImage2D(gl.TEXTURE_2D, 0,
		3,
		int(image.W),
		int(image.H),
		0, textureFormat, gl.UNSIGNED_BYTE,
		image.Pixels,
	)

	// Mipmapped filtering
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MIN_FILTER, gl.LINEAR_MIPMAP_NEAREST)
	gl.TexParameteri(gl.TEXTURE_2D, gl.TEXTURE_MAG_FILTER, gl.LINEAR)

	glu.Build2DMipmaps(
		gl.TEXTURE_2D,
		3,
		int(image.W),
		int(image.H),
		textureFormat,
		image.Pixels,
	)
}
Exemplo n.º 9
0
func loadTextures() {
	floorTexture = sdl.Load("floor.png")
	playerTexture = sdl.Load("a.gif")
}
Exemplo n.º 10
0
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 {
					println("Click:", e.X, e.Y)
					in = out
					out = make(chan Point)
					go worm(in, out, draw)
					sound.PlayChannel(-1, 0)
				}
			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 {
					panic(sdl.GetError())
				}
			}
		}

		screen.FillRect(nil, 0x302019)
		screen.Blit(&sdl.Rect{0, 0, 0, 0}, text, nil)

		loop := true

		for loop {

			select {
			case p := <-draw:
				screen.Blit(&sdl.Rect{int16(p.x), int16(p.y), 0, 0}, image, nil)
			case <-out:
			default:
				loop = false
			}

		}

		var p Point
		sdl.GetMouseState(&p.x, &p.y)
		worm_in <- p

		screen.Flip()
		sdl.Delay(25)
	}

	image.Free()
	music.Free()
	font.Close()

	ttf.Quit()
	sdl.Quit()
}
Exemplo n.º 11
0
func main() {
	if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
		panic(sdl.GetError())
	}
	defer sdl.Quit()

	image0 := sdl.Load(*file)
	if image0 == nil {
		panic(sdl.GetError())
	}

	factorx := float32(1)
	factory := float32(1)

	dstW := uint32(float32(image0.W) * factorx)
	dstH := uint32(float32(image0.H) * factory)

	screen := sdl.SetVideoMode(int(dstW), int(dstH), 32, sdl.DOUBLEBUF)

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

	image := sdl.DisplayFormat(image0)
	format := image.Format

	err := initAndPrepCL()
	check(err)

	order := cl.RGBA
	elemSize := 4

	src, err := c.NewImage2D(cl.MEM_READ_ONLY|cl.MEM_USE_HOST_PTR, order, cl.UNSIGNED_INT8,
		uint32(image.W), uint32(image.H), uint32(image.Pitch), image.Pixels)
	check(err)

	dst, err := c.NewImage2D(cl.MEM_WRITE_ONLY, order, cl.UNSIGNED_INT8,
		dstW, dstH, 0, nil)
	check(err)

	angle := float32(0)
	for running := true; running; angle += 0.001 {
		for e := sdl.PollEvent(); e != nil; e = sdl.PollEvent() {
			switch ev := e.(type) {
			case *sdl.QuitEvent:
				running = false
				break
			case *sdl.KeyboardEvent:
				if ev.Keysym.Sym == sdl.K_ESCAPE {
					running = false
					break
				}
			}
		}

		//pixels, err := imageCall(dstW, dstH, "image_recscale", src, dst, 1/factorx, 1/factory)

		//pixels, err := imageCall(dstW, dstH, "image_rotate", src, dst, angle)
		m := mul(S(1.2, 1.2), R(angle))
		off := []float32{float32(dstW / 2), float32(dstH / 2)}
		pixels, err := imageCall(dstW, dstH, "image_affine2", src, dst,
			[]float32(m[0:2]), []float32(m[2:4]),
			off, off)
		check(err)

		news := sdl.CreateRGBSurfaceFrom(pixels,
			int(dstW), int(dstH), int(elemSize*8), int(elemSize)*int(dstW),
			format.Rmask, format.Gmask, format.Bmask, format.Amask,
		)

		if news == nil {
			log.Fatal(sdl.GetError())
		}

		screen.FillRect(nil, 0)
		screen.Blit(&sdl.Rect{0, 0, 0, 0}, news, nil)
		screen.Flip()
		sdl.Delay(25)
	}
}