// imgtest draws images at the corners and center
func imagetest(w, h int) {
openvg.Start(w, h)
imgw := 422
imgh := 238
fiw := openvg.VGfloat(imgw)
fih := openvg.VGfloat(imgh)
fw := openvg.VGfloat(w)
fh := openvg.VGfloat(h)
vgzero := openvg.VGfloat(0.0)
cx := (fw / 2) - (fiw / 2)
cy := (fh / 2) - (fih / 2)
ulx := vgzero
uly := fh - fih
urx := fw - fiw
ury := uly
llx := vgzero
lly := vgzero
lrx := urx
lry := lly
openvg.Start(w, h)
openvg.Background(0, 0, 0)
openvg.Image(cx, cy, imgw, imgh, "desert1.jpg")
openvg.Image(ulx, uly, imgw, imgh, "desert2.jpg")
openvg.Image(urx, ury, imgw, imgh, "desert3.jpg")
openvg.Image(llx, lly, imgw, imgh, "desert4.jpg")
openvg.Image(lrx, lry, imgw, imgh, "desert5.jpg")
openvg.End()
}
func imagetable(w, h int) {
imgw, imgh := 422, 238
itable := []it{
{"desert0.jpg", imgw, imgh},
{"desert1.jpg", imgw, imgh},
{"desert2.jpg", imgw, imgh},
{"desert3.jpg", imgw, imgh},
{"desert4.jpg", imgw, imgh},
{"desert5.jpg", imgw, imgh},
{"desert6.jpg", imgw, imgh},
{"desert7.jpg", imgw, imgh},
//{"http://farm4.static.flickr.com/3546/3338566612_9c56bfb53e_m.jpg", 240, 164},
//{"http://farm4.static.flickr.com/3642/3337734413_e36baba755_m.jpg", 240, 164},
}
offset := openvg.VGfloat(50)
left := offset
bot := openvg.VGfloat(h-imgh) - offset
gutter := offset
x := left
y := bot
openvg.Start(w, h)
openvg.BackgroundColor("black")
for _, iname := range itable {
openvg.Image(x, y, iname.width, iname.height, iname.name)
openvg.FillRGB(255, 255, 255, 0.3)
openvg.Rect(x, y, openvg.VGfloat(imgw), 32)
openvg.FillRGB(0, 0, 0, 1)
openvg.TextMid(x+openvg.VGfloat(imgw/2), y+10, iname.name, "sans", 16)
x += openvg.VGfloat(iname.width) + gutter
if x > openvg.VGfloat(w) {
x = left
y -= openvg.VGfloat(iname.height) + gutter
}
}
y = openvg.VGfloat(h) * 0.1
openvg.FillRGB(128, 128, 128, 1)
openvg.TextMid(openvg.VGfloat(w/2), 100, "Joshua Tree National Park", "sans", 48)
openvg.End()
}
// advert is an ad for the package
func advert(w, h int) {
y := openvg.VGfloat(h) / 4
fontsize := (w * 4) / 100
f3 := fontsize / 3
s := "github.com/ajstarks/openvg"
a := "*****@*****.**"
imw := 110
imh := 110
rw := openvg.VGfloat(w / 4)
rh := (rw * 2) / 3
midx := openvg.VGfloat(w / 2)
openvg.Start(w, h)
makepi(midx-openvg.VGfloat(rw/2), openvg.VGfloat(h/2), rw, rh)
openvg.FillRGB(128, 0, 0, 1)
openvg.TextMid(midx, y-openvg.VGfloat(fontsize/4), s, "sans", fontsize)
y -= 100
openvg.FillRGB(128, 128, 128, 1)
openvg.TextMid(midx, y, a, "sans", f3)
openvg.Image(openvg.VGfloat(w/2)-openvg.VGfloat(imw/2), 20, imw, imh, "starx.jpg")
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 sreenHeight, cx, cy, cw, ch int
message := "Hej Sandra tack forden mysiga kramen ..... <3 <3 Puss puss"
w, h := openvg.Init()
sreenHeight = h
var speed openvg.VGfloat = 4.0
var x openvg.VGfloat = 0
//midy = (h / 2)
fontsize := w / 50
cx = 0
ch = fontsize * 2
cw = w
//cy = midy - (ch / 2)
cy = h - 80
var jsonData SLData
var lastmill = makeTimestamp()
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)
openvg.End()
go PlayVideo(w, h)
for {
openvg.Start(w, h)
//fmt.Println("W,H",w,h)
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 {
var mill = makeTimestamp()
var delta = (mill - lastmill) / 5
//fmt.Println("delta ", delta)
//speed
x = openvg.VGfloat(delta)
imgw, imgh := 0, 0
openvg.Background(0, 0, 0)
//SLHeight = 60
var imgPosY = openvg.VGfloat(sreenHeight - 120)
openvg.Image(8, imgPosY, imgw, imgh, "DA4FID.png")
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
// - (120 + int(rh1))
ty = sreenHeight - 140
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(255, 255, 255, .2)
//openvg.Rect(rx1, tempy, rw1, rh1)
tempy = tempy + 6.0
} else {
openvg.FillRGB(255, 255, 255, .4)
openvg.Rect(rx1, tempy, rw1/3, rh1)
tempy = tempy + 6.0
}
openvg.FillRGB(255, 255, 255, 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, tempy, jsonData.ResponseData.Trains[trainIx].DisplayTime, "sans", fontsize)
var dest = jsonData.ResponseData.Trains[trainIx].Destination
dest = replaceAO(dest)
openvg.Text(rx1+TAB1, tempy, dest, "sans", fontsize)
//openvg.Translate(x, ry+openvg.VGfloat(fontsize/2))
//openvg.Background(255,255,0)
trainIx = trainIx + 1
rix = rix + 1
}
imgw = 20
imgh = 20
//openvg.Image(8, 100 , imgw, imgh, "no_smoking.png")
// openvg.Start(w, h)
//openvg.Background(255, 255, 255)
openvg.FillRGB(100, 0, 0, 1)
openvg.Rect(rx, ry, rw, rh)
//openvg.ClipRect(cx, cy, cw, ch)
//openvg.Translate(x, ry+openvg.VGfloat(fontsize/2))
openvg.FillRGB(255, 255, 255, 1)
var pxp openvg.VGfloat = openvg.VGfloat(w) - openvg.VGfloat(x)
var pyp openvg.VGfloat = openvg.VGfloat(h) - openvg.VGfloat(58)
openvg.Text(pxp, pyp, message, "sans", fontsize)
//openvg.ClipEnd()
openvg.End()
}
//openvg.SaveEnd("dump.raw")
//time.Sleep(60*time.Second);
}
bufio.NewReader(os.Stdin).ReadBytes('\n')
bufio.NewReader(os.Stdin).ReadBytes('\n')
openvg.Finish()
os.Exit(0)
}
// refcard shows a reference card of shapes
func refcard(width, height int) {
shapenames := []string{
"Circle",
"Ellipse",
"Rectangle",
"Rounded Rectangle",
"Line",
"Polyline",
"Polygon",
"Arc",
"Quadratic Bezier",
"Cubic Bezier",
"Image",
}
top := openvg.VGfloat(height) * .95
sx := openvg.VGfloat(width) * 0.10
sy := top
sw := openvg.VGfloat(width) * .05
sh := openvg.VGfloat(height) * .045
dotsize := openvg.VGfloat(7.0)
spacing := openvg.VGfloat(2.0)
fontsize := int(openvg.VGfloat(height) * .033)
shapecolor := Color{202, 225, 255, 1.0}
openvg.Start(width, height)
openvg.FillRGB(128, 0, 0, 1)
openvg.TextEnd(openvg.VGfloat(width-20), openvg.VGfloat(height/2),
"OpenVG on the Raspberry Pi", "sans", fontsize+(fontsize/2))
openvg.FillRGB(0, 0, 0, 1)
for _, s := range shapenames {
openvg.Text(sx+sw+sw/2, sy, s, "sans", fontsize)
sy -= sh * spacing
}
sy = top
cx := sx + (sw / 2)
ex := sx + sw
openvg.FillRGB(shapecolor.red, shapecolor.green, shapecolor.blue, shapecolor.alpha)
openvg.Circle(cx, sy, sw)
coordpoint(cx, sy, dotsize, shapecolor)
sy -= sh * spacing
openvg.Ellipse(cx, sy, sw, sh)
coordpoint(cx, sy, dotsize, shapecolor)
sy -= sh * spacing
openvg.Rect(sx, sy, sw, sh)
coordpoint(sx, sy, dotsize, shapecolor)
sy -= sh * spacing
openvg.Roundrect(sx, sy, sw, sh, 20, 20)
coordpoint(sx, sy, dotsize, shapecolor)
sy -= sh * spacing
openvg.StrokeWidth(1)
openvg.StrokeRGB(204, 204, 204, 1)
openvg.Line(sx, sy, ex, sy)
coordpoint(sx, sy, dotsize, shapecolor)
coordpoint(ex, sy, dotsize, shapecolor)
sy -= sh
px := []openvg.VGfloat{sx, sx + (sw / 4), sx + (sw / 2), sx + ((sw * 3) / 4), sx + sw}
py := []openvg.VGfloat{sy, sy - sh, sy, sy - sh, sy}
openvg.Polyline(px, py) // , 5)
coordpoint(px[0], py[0], dotsize, shapecolor)
coordpoint(px[1], py[1], dotsize, shapecolor)
coordpoint(px[2], py[2], dotsize, shapecolor)
coordpoint(px[3], py[3], dotsize, shapecolor)
coordpoint(px[4], py[4], dotsize, shapecolor)
sy -= sh * spacing
py[0] = sy
py[1] = sy - sh
py[2] = sy - (sh / 2)
py[3] = py[1] - (sh / 4)
py[4] = sy
openvg.Polygon(px, py) // , 5)
sy -= (sh * spacing) + sh
openvg.Arc(sx+(sw/2), sy, sw, sh, 0, 180)
coordpoint(sx+(sw/2), sy, dotsize, shapecolor)
sy -= sh * spacing
var cy, ey openvg.VGfloat
cy = sy + (sh / 2)
ey = sy
openvg.Qbezier(sx, sy, cx, cy, ex, ey)
coordpoint(sx, sy, dotsize, shapecolor)
coordpoint(cx, cy, dotsize, shapecolor)
coordpoint(ex, ey, dotsize, shapecolor)
sy -= sh * spacing
ey = sy
cy = sy + sh
openvg.Cbezier(sx, sy, cx, cy, cx, sy, ex, ey)
coordpoint(sx, sy, dotsize, shapecolor)
coordpoint(cx, cy, dotsize, shapecolor)
coordpoint(cx, sy, dotsize, shapecolor)
coordpoint(ex, ey, dotsize, shapecolor)
sy -= (sh * spacing * 1.5)
openvg.Image(sx, sy, 110, 110, "starx.jpg")
openvg.End()
}