func main() {
var cx, cy, cw, ch, midy int
message := "Now is the time for all good men to come to the aid of the party"
w, h := openvg.Init()
var speed openvg.VGfloat = 0.5
var x openvg.VGfloat = 0
midy = (h / 2)
fontsize := w / 50
cx = 0
ch = fontsize * 2
cw = w
cy = midy - (ch / 2)
rx, ry, rw, rh := openvg.VGfloat(cx), openvg.VGfloat(cy), openvg.VGfloat(cw), openvg.VGfloat(ch)
// scroll the text, only in the clipping rectangle
for x = 0; x < rw+speed; x += speed {
openvg.Start(w, h)
openvg.Background(255, 255, 255)
openvg.FillRGB(0, 0, 0, .2)
openvg.Rect(rx, ry, rw, rh)
openvg.ClipRect(cx, cy, cw, ch)
openvg.Translate(x, ry+openvg.VGfloat(fontsize/2))
openvg.FillRGB(0, 0, 0, 1)
openvg.Text(0, 0, message, "sans", fontsize)
openvg.ClipEnd()
openvg.End()
}
bufio.NewReader(os.Stdin).ReadBytes('\n')
openvg.Finish()
os.Exit(0)
}
// rotext draws text, rotated around the center of the screen, progressively faded
func rotext(w, h, n int, s string) {
fade := (100.0 / openvg.VGfloat(n)) / 100.0
deg := 360.0 / openvg.VGfloat(n)
x := openvg.VGfloat(w) / 2.0
y := openvg.VGfloat(h) / 2.0
alpha := openvg.VGfloat(1.0)
size := w / 8
openvg.Start(w, h)
openvg.Background(0, 0, 0)
openvg.Translate(x, y)
for i := 0; i < n; i++ {
openvg.FillRGB(255, 255, 255, alpha)
openvg.Text(0, 0, s, "serif", size)
alpha -= fade // fade
size += n // enlarge
openvg.Rotate(deg)
}
openvg.End()
}
func main() {
var sreenHeight, cx, cy, cw, ch, midy int
message := "Scrolling texts could be useful if the information does not fit on screen"
w, h := openvg.Init()
sreenHeight = h
var speed openvg.VGfloat = 0.5
var x openvg.VGfloat = 0
midy = (h / 2)
fontsize := w / 50
cx = 0
ch = fontsize * 2
cw = w
cy = midy - (ch / 2)
var jsonData SLData
for {
response, err := http.Get("http://localhost:8000")
if err == nil {
defer response.Body.Close()
contents, err := ioutil.ReadAll(response.Body)
if err != nil {
fmt.Printf("Error reading http data, %s", err)
} else {
fmt.Printf("Got: %s\n", string(contents))
if err := json.Unmarshal(contents, &jsonData); err != nil {
panic(err)
}
fmt.Println(jsonData)
}
}
openvg.Start(w, h)
imgw, imgh := 0, 0
openvg.Background(255, 255, 255)
//SLHeight = 60
var imgPosY = openvg.VGfloat(sreenHeight - 70)
openvg.Image(4, imgPosY, imgw, imgh, "SL.jpg")
var TAB1 = openvg.VGfloat(4 * w / 20)
var TAB2 = openvg.VGfloat(8 * w / 20)
rx1, rw1, rh1 := openvg.VGfloat(cx), openvg.VGfloat(cw), openvg.VGfloat(ch)
ty := 0
rix := 0
// Buses
for ty = sreenHeight - (80 + int(rh1)); ty > 0 && rix < len(jsonData.ResponseData.Buses); ty -= ch {
tempy := openvg.VGfloat(ty)
//ry := openvg.VGfloat(ty)
if rix%2 == 0 {
openvg.FillRGB(0, 0, 0, .2)
//openvg.Rect(rx1, tempy, rw1, rh1)
openvg.FillRGB(0, 0, 0, 1)
tempy = tempy + 6.0
} else {
openvg.FillRGB(0, 0, 0, .4)
openvg.Rect(rx1, tempy, rw1, rh1)
tempy = tempy + 6.0
openvg.FillRGB(0, 0, 0, 1)
}
openvg.Text(rx1, tempy, jsonData.ResponseData.Buses[rix].LineNumber, "sans", fontsize)
drawTypeOfTransport(rx1+60, tempy+2, rw1, ch-20, jsonData.ResponseData.Buses[rix].TransportMode)
openvg.Text(rx1+100, tempy, jsonData.ResponseData.Buses[rix].StopPointDesignation, "sans", fontsize)
openvg.Text(rx1+TAB1, tempy, jsonData.ResponseData.Buses[rix].DisplayTime, "sans", fontsize)
var dest = jsonData.ResponseData.Buses[rix].Destination
dest = replaceAO(dest)
openvg.Text(rx1+TAB2, tempy, dest, "sans", fontsize)
//openvg.Translate(x, ry+openvg.VGfloat(fontsize/2))
//openvg.Background(255,255,0)
rix = rix + 1
}
var trainIx = 0
for ty = ty - 20; ty > 0 && trainIx < len(jsonData.ResponseData.Trains); ty -= ch {
tempy := openvg.VGfloat(ty)
//ry := openvg.VGfloat(ty)
if rix%2 == 0 {
openvg.FillRGB(0, 0, 0, .2)
//openvg.Rect(rx1, tempy, rw1, rh1)
openvg.FillRGB(0, 0, 0, 1)
tempy = tempy + 6.0
} else {
openvg.FillRGB(0, 0, 0, .4)
openvg.Rect(rx1, tempy, rw1, rh1)
tempy = tempy + 6.0
openvg.FillRGB(0, 0, 0, 1)
}
openvg.Text(rx1, tempy, jsonData.ResponseData.Trains[trainIx].LineNumber, "sans", fontsize)
drawTypeOfTransport(rx1+55, tempy+4, rw1, ch-20, jsonData.ResponseData.Trains[trainIx].TransportMode)
openvg.Text(rx1+TAB1, tempy, jsonData.ResponseData.Trains[trainIx].DisplayTime, "sans", fontsize)
var dest = jsonData.ResponseData.Trains[trainIx].Destination
dest = replaceAO(dest)
openvg.Text(rx1+TAB2, tempy, dest, "sans", fontsize)
//openvg.Translate(x, ry+openvg.VGfloat(fontsize/2))
//openvg.Background(255,255,0)
trainIx = trainIx + 1
rix = rix + 1
}
//openvg.End()
openvg.SaveEnd("dump.raw")
time.Sleep(60 * time.Second)
}
bufio.NewReader(os.Stdin).ReadBytes('\n')
rx, ry, rw, rh := openvg.VGfloat(cx), openvg.VGfloat(cy), openvg.VGfloat(cw), openvg.VGfloat(ch)
// scroll the text, only in the clipping rectangle
for x = 0; x < rw+speed; x += speed {
openvg.Start(w, h)
openvg.Background(255, 255, 255)
openvg.FillRGB(0, 0, 0, .2)
openvg.Rect(rx, ry, rw, rh)
openvg.ClipRect(cx, cy, cw, ch)
openvg.Translate(x, ry+openvg.VGfloat(fontsize/2))
openvg.FillRGB(0, 0, 0, 1)
openvg.Text(0, 0, message, "sans", fontsize)
openvg.ClipEnd()
openvg.End()
}
bufio.NewReader(os.Stdin).ReadBytes('\n')
openvg.Finish()
os.Exit(0)
}
func main() {
var cy, ch, midy int
var message []string
message = []string{" Black", "cats", "skitter", "and", "ghouls", "patter", "Happy", "Halloween"}
w, h := openvg.Init()
//var speed openvg.VGfloat = 0.5
var x openvg.VGfloat = 0
var vw, vh openvg.VGfloat
var midxx openvg.VGfloat = openvg.VGfloat(w / 2)
midy = (h / 2)
fontsize := w / 8
//cx = 0
ch = fontsize * 2
//cw = w
cy = midy - (ch / 2)
var redness uint8
var index int
//rx , rw, rh := openvg.VGfloat(cx) , openvg.VGfloat(cw), openvg.VGfloat(ch)
ry := openvg.VGfloat(cy)
// scroll the text, only in the clipping rectangle
index = 0
for {
for redness = 255; redness > 16; redness -= 2 {
ch = fontsize * 2
//cw = w
cy = midy - (ch / 2)
openvg.Start(w, h)
openvg.Background(redness, 0, 0)
openvg.FillRGB(0, 0, 0, .2)
//openvg.Rect(rx, ry, rw, rh)
//openvg.ClipRect(cx, cy, cw, ch)
openvg.Translate(x, ry+openvg.VGfloat(fontsize/2))
openvg.FillRGB(0, 0, 0, 1)
var fsiz int
fsiz = int(255 - redness)
openvg.TextMid(midxx, 0, message[index], "shf", fsiz)
openvg.ClipEnd()
openvg.End()
}
index = (index + 1) % 8
if index == 0 {
vw = openvg.VGfloat(w) - 200
vh = openvg.VGfloat(h) - 200
openvg.Video(100.0, 100.0, vw, vh, "test.h264")
}
if index == 0 {
var test, oix int
var xpos [40]float32
var ypos [40]float32
var rotate [40]float32
var spdx [40]float32
var spdy [40]float32
// Init positions
for test = 0; test < 40; test++ {
var rot = rand.Float32()
var rax = rand.Float32()
rax = float32(w) * rax
var ray = rand.Float32()
ray = float32(h) * ray
spdx[test] = float32(test) * rand.Float32()
spdy[test] = float32(test) * rand.Float32()
ypos[test] = ray
xpos[test] = rax
rot = 0
rotate[test] = rot
}
// Move around
for oix = 0; oix < 100; oix++ {
openvg.Start(w, h)
openvg.Background(0, 0, 0)
openvg.FillColor("red")
for test = 0; test < 40; test++ {
var rot = rand.Float32()
var rax = rand.Float32()*float32(4.0) - float32(2.0)
var ray = float32(4.0)*rand.Float32() - float32(2.0)
spdy[test] += ray
spdx[test] += rax
xpos[test] = xpos[test] + spdx[test]
ypos[test] = ypos[test] + spdy[test]
rotate[test] = rotate[test] + float32(rot*4-2)
openvg.Rotate(openvg.VGfloat(rotate[test]))
openvg.Translate(openvg.VGfloat(xpos[test]), openvg.VGfloat(ypos[test]))
openvg.TextMid(0, 0, "Happy Halloween", "shf", 30)
openvg.Translate(-openvg.VGfloat(xpos[test]), -openvg.VGfloat(ypos[test]))
openvg.Rotate(-openvg.VGfloat(rotate[test]))
}
openvg.End()
}
}
}
bufio.NewReader(os.Stdin).ReadBytes('\n')
openvg.Finish()
os.Exit(0)
}