// Wrap the SDL into one single thread
func (s SdlWrap) wrap() {
runtime.LockOSThread()
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic("Unable to init SDL. Cause: " + sdl.GetError())
}
sdl.EnableUNICODE(1)
s.InitDone <- struct{}{}
for {
select {
case t := <-s.Title:
sdl.WM_SetCaption(t, t)
case <-s.Quit:
close(s.Events)
sdl.Quit()
case sz := <-s.Size:
s.Surface <- sdl.SetVideoMode(int(sz.X), int(sz.Y), 32, sdl.HWSURFACE|sdl.DOUBLEBUF|sdl.RESIZABLE)
default:
e := sdl.PollEvent()
if e != nil {
s.Events <- e
}
}
}
}
func sdlSetup() (world *World) {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
sdl.EnableUNICODE(1)
sdl.EnableKeyRepeat(25, 25)
return
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
if ttf.Init() != 0 {
panic(sdl.GetError())
}
var screen = sdl.SetVideoMode(1400, 300, 32, 0)
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)
font := ttf.OpenFont("euler.otf", 24)
if font == nil {
panic(sdl.GetError())
}
black := sdl.Color{0, 0, 0, 0}
text := ttf.RenderUTF8_Blended(font, "!!", black)
fmt.Println(text.Bounds())
sdl.WM_SetCaption("Go-SDL SDL Test", "")
running := true
num := NewNumberShower("b+c", "", "euler.otf", 24, 0)
denom := NewNumberShower("a", "", "euler.otf", 24, 0)
testy := NewFractionShower(num, denom, "euler.otf", 24, 0)
testy.CursorPosition = 3
testy.RenderEmptyIndextxt = true
str := ""
for running {
switch e := sdl.PollEvent().(type) {
case *sdl.QuitEvent:
running = false
break
case *sdl.KeyboardEvent:
if e.State == 1 {
str = handlekeypress2(e.Keysym, str)
fmt.Println("rendering string", str)
text = ttf.RenderUTF8_Blended(font, str, black)
}
}
screen.FillRect(nil, 0xFFFFFF)
screen.Blit(&sdl.Rect{23, 0, 0, 0}, testy.Render(), nil)
screen.Flip()
sdl.Delay(5)
}
}
func NewScreen(w, h int) *Screen {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
log.Fatal("failed to init sdl", sdl.GetError())
return nil
}
if ttf.Init() != 0 {
log.Fatal("failed to init ttf", sdl.GetError())
return nil
}
var ctx Screen
if err := ctx.setSurface(w, h); err != nil {
log.Fatal(err)
}
var vInfo = sdl.GetVideoInfo()
log.Println("HW_available = ", vInfo.HW_available)
log.Println("WM_available = ", vInfo.WM_available)
log.Println("Video_mem = ", vInfo.Video_mem, "kb")
/* title := "Subtitle Player" */
title := os.Args[0]
icon := "" // path/to/icon
sdl.WM_SetCaption(title, icon)
sdl.EnableUNICODE(1)
ctx.fps = opt.fps
err := ctx.setFont(opt.fontPath, opt.fontSize)
if err != nil {
log.Fatal("failed to set default font")
return nil
}
ctx.debugFont = ttf.OpenFont(DFLT_FONT_PATH, 20)
if ctx.debugFont == nil {
errMsg := fmt.Sprintf("failed to open debug font: %s",
sdl.GetError())
/* return errors.New(errMsg) */
log.Fatal(errMsg)
}
ctx.debugLineHeight = uint16(ctx.debugFont.LineSkip())
ctx.updateC = make(chan int)
return &ctx
}
func InitUI() *UI {
ui := &UI{
running: false,
}
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
if ttf.Init() != 0 {
panic(sdl.GetError())
}
ui.screen = sdl.SetVideoMode(300, 300, 32, sdl.OPENGL)
if ui.screen == nil {
panic("sdl error")
}
if gl.Init() != 0 {
panic("gl error")
}
gl.MatrixMode(gl.PROJECTION)
gl.Viewport(0, 0, int(ui.screen.W), int(ui.screen.H))
gl.LoadIdentity()
gl.Ortho(0, float64(ui.screen.W), float64(ui.screen.H), 0, -1.0, 1.0)
gl.ClearColor(1, 1, 1, 0)
gl.Clear(gl.COLOR_BUFFER_BIT)
// TTF
sdl.EnableUNICODE(1)
ui.font = ttf.OpenFont("FontinSans.otf", 20)
ui.font.SetStyle(ttf.STYLE_UNDERLINE)
if ui.font == nil {
panic(sdl.GetError())
}
ui.running = true
return ui
}
func main() {
if sdl.Init(sdl.INIT_EVERYTHING) != 0 {
panic(sdl.GetError())
}
// The actual resolution (screenspace)
W := 800
H := 600
// The virtual resolution (worldspace)
MAXX := 400
MAXY := 300
screen := sdl.SetVideoMode(W, H, 32, sdl.FULLSCREEN)
if screen == nil {
panic(sdl.GetError())
}
sdl.EnableUNICODE(1)
sdl.ShowCursor(0)
sdl.WM_SetCaption("Random Lines", "")
red := sdl.Color{255, 0, 0, 255}
color := red
rand.Seed(time.Now().UnixNano())
for {
color = sdl.Color{uint8(rand.Intn(255)), uint8(rand.Intn(255)), uint8(rand.Intn(255)), 255}
DoublePixelLine(screen, rand.Intn(MAXX), rand.Intn(MAXY), rand.Intn(MAXX), rand.Intn(MAXY), color)
if escPressed() {
break
}
screen.Flip()
sdl.PollEvent()
//sdl.Delay(10)
}
sdl.Quit()
}
func ui_main() {
if sdl.Init(sdl.INIT_VIDEO) != 0 {
panic(sdl.GetError())
}
if screen == nil {
panic(sdl.GetError())
}
sdl.EnableUNICODE(1)
sdl.WM_SetCaption("Go-SDL SDL Test", "")
running := true
for running {
for ev := sdl.PollEvent(); ev != nil; ev = sdl.PollEvent() {
switch e := ev.(type) {
case *sdl.QuitEvent:
running = false
break
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())
}
}
}
}
ttf.Quit()
sdl.Quit()
}
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()
}