func TweetDrawer(c chan<- draw.Image, pixel draw.Image, tweets <-chan *twitter.Tweet) {
counter := 0
bg := image.NewNRGBA(pixel.Bounds())
pixelutils.StretchCopy(bg, pixel)
c <- pixel
avatarArea := pixelutils.SubImage(pixel, image.Rectangle{
Min: pixel.Bounds().Min,
Max: pixel.Bounds().Min.Add(image.Point{85, 85}),
})
textArea := pixelutils.PixelSizeChanger(pixelutils.SubImage(pixel, image.Rectangle{
Min: pixel.Bounds().Min.Add(image.Point{90, 0}),
Max: pixel.Bounds().Max,
}), 2, 2)
for tweet := range tweets {
counter++
pixelutils.StretchCopy(pixel, bg)
pixelutils.StretchCopy(avatarArea, tweet.Author.ProfilePicture)
pixelutils.DrawText(pixelutils.PixelSizeChanger(avatarArea, 3, 3), pixelutils.Red, fmt.Sprintf("%03d", counter))
pixelutils.DrawText(textArea, pixelutils.White, tweet.Text)
c <- pixel
}
}
func main() {
wall, clicks := pixelutils.PixelPusher()
fullPixel := pixelutils.NewPixel()
subPixel := pixelutils.SubImage(fullPixel, image.Rect(margin, margin, 256-margin, 256-margin))
square := pixelutils.SubImage(fullPixel, image.Rect(256-margin, 0, 256, margin))
textSquare := pixelutils.DimensionChanger(square, 3, 5)
colors := []color.Color{pixelutils.Red, pixelutils.Green, pixelutils.Blue}
offset := []int{0, 1, 2}
drawSignal := make(chan bool)
go func() {
for i := 0; i < 5; i++ {
offset = rand.Perm(3)
drawSignal <- true
time.Sleep(200 * time.Millisecond)
}
for click := range clicks {
switch {
case click.Point().In(subPixel.Bounds()):
offset[1] = (offset[1] + 1) % len(colors)
case click.Point().In(square.Bounds()):
offset[2] = (offset[2] + 1) % len(colors)
default:
offset[0] = (offset[0] + 1) % len(colors)
}
drawSignal <- true
}
}()
for _ = range drawSignal {
pixelutils.Fill(fullPixel, colors[offset[0]])
pixelutils.Fill(subPixel, colors[offset[1]])
pixelutils.DrawText(textSquare, colors[offset[2]], "2")
wall <- fullPixel
}
}