Do nothing when idle
When you're programming inefficient crap, you're programming climate change.
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parent
64bc680f07
commit
9c269f2612
2 changed files with 34 additions and 28 deletions
18
image.go
18
image.go
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@ -15,10 +15,10 @@ const (
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LedpanelHeight = 48
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)
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func Listen() (chan image.Image, chan error) {
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func Listen() (<-chan BitvisImage, chan error) {
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errs := make(chan error, 1)
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out := make(chan image.Image, 1)
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out <- bitvisImage{}
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out := make(chan BitvisImage, 1)
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out <- BitvisImage{}
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go func() {
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defer close(errs)
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defer close(out)
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@ -43,7 +43,7 @@ func Listen() (chan image.Image, chan error) {
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return out, errs
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}
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func handleConnection(conn net.Conn, out chan<- image.Image) error {
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func handleConnection(conn net.Conn, out chan<- BitvisImage) error {
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for {
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if err := conn.SetReadDeadline(time.Now().Add(time.Second * 4)); err != nil {
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return err
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@ -58,7 +58,7 @@ func handleConnection(conn net.Conn, out chan<- image.Image) error {
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}
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io.CopyN(ioutil.Discard, conn, 2)
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var img bitvisImage
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var img BitvisImage
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if _, err := io.ReadFull(conn, img[:]); err != nil {
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return err
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}
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@ -69,20 +69,20 @@ func handleConnection(conn net.Conn, out chan<- image.Image) error {
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}
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}
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type bitvisImage [LedpanelWidth * LedpanelHeight / 4]uint8
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type BitvisImage [LedpanelWidth * LedpanelHeight / 4]uint8
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func (img bitvisImage) ColorModel() color.Model {
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func (img BitvisImage) ColorModel() color.Model {
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return color.RGBAModel
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}
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func (img bitvisImage) Bounds() image.Rectangle {
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func (img BitvisImage) Bounds() image.Rectangle {
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return image.Rectangle{
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Min: image.Point{X: 0, Y: 0},
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Max: image.Point{X: LedpanelWidth, Y: LedpanelHeight},
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}
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}
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func (img bitvisImage) At(x, y int) color.Color {
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func (img BitvisImage) At(x, y int) color.Color {
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return bitvisColor(img[y*LedpanelWidth/4+x/4] >> ((3 - uint(x)%4) * 2))
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}
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