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)
}
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)
}
