89 lines
2.2 KiB
Go
89 lines
2.2 KiB
Go
|
package fun
|
||
|
|
|
||
|
|
import "time"
|
||
|
|
import "math"
|
||
|
|
import "image"
|
||
|
|
import "git.tebibyte.media/sashakoshka/tomo"
|
||
|
|
import "git.tebibyte.media/sashakoshka/tomo/theme"
|
||
|
|
import "git.tebibyte.media/sashakoshka/tomo/artist"
|
||
|
|
import "git.tebibyte.media/sashakoshka/tomo/elements/core"
|
||
|
|
|
||
|
|
type AnalogClock struct {
|
||
|
|
*core.Core
|
||
|
|
core core.CoreControl
|
||
|
|
time time.Time
|
||
|
|
}
|
||
|
|
|
||
|
|
func NewAnalogClock (newTime time.Time) (element *AnalogClock) {
|
||
|
|
element = &AnalogClock { }
|
||
|
|
element.Core, element.core = core.NewCore(element)
|
||
|
|
element.core.SetMinimumSize(64, 64)
|
||
|
|
return
|
||
|
|
}
|
||
|
|
|
||
|
|
func (element *AnalogClock) Handle (event tomo.Event) {
|
||
|
|
switch event.(type) {
|
||
|
|
case tomo.EventResize:
|
||
|
|
resizeEvent := event.(tomo.EventResize)
|
||
|
|
element.core.AllocateCanvas (
|
||
|
|
resizeEvent.Width,
|
||
|
|
resizeEvent.Height)
|
||
|
|
element.draw()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (element *AnalogClock) SetTime (newTime time.Time) {
|
||
|
|
if newTime == element.time { return }
|
||
|
|
element.time = newTime
|
||
|
|
if element.core.HasImage() {
|
||
|
|
element.draw()
|
||
|
|
element.core.PushAll()
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (element *AnalogClock) draw () {
|
||
|
|
bounds := element.core.Bounds()
|
||
|
|
|
||
|
|
artist.ChiseledRectangle (
|
||
|
|
element.core,
|
||
|
|
theme.BackgroundProfile(true),
|
||
|
|
bounds)
|
||
|
|
|
||
|
|
for hour := 0; hour < 12; hour ++ {
|
||
|
|
element.radialLine (
|
||
|
|
theme.ForegroundImage(),
|
||
|
|
0.8, 0.9, float64(hour) / 6 * math.Pi)
|
||
|
|
}
|
||
|
|
|
||
|
|
element.radialLine (
|
||
|
|
theme.ForegroundImage(),
|
||
|
|
0, 0.5, float64(element.time.Hour() - 3) / 6 * math.Pi)
|
||
|
|
element.radialLine (
|
||
|
|
theme.ForegroundImage(),
|
||
|
|
0, 0.7, float64(element.time.Minute() - 15) / 30 * math.Pi)
|
||
|
|
element.radialLine (
|
||
|
|
theme.AccentImage(),
|
||
|
|
0, 0.7, float64(element.time.Second() - 15) / 30 * math.Pi)
|
||
|
|
// TODO: engraved background, draw lines with std foreground, draw the
|
||
|
|
// second hand with the accent color.
|
||
|
|
}
|
||
|
|
|
||
|
|
func (element *AnalogClock) radialLine (
|
||
|
|
source tomo.Image,
|
||
|
|
inner float64,
|
||
|
|
outer float64,
|
||
|
|
radian float64,
|
||
|
|
) {
|
||
|
|
bounds := element.core.Bounds()
|
||
|
|
width := float64(bounds.Dx()) / 2
|
||
|
|
height := float64(bounds.Dy()) / 2
|
||
|
|
min := image.Pt (
|
||
|
|
int(math.Cos(radian) * inner * width + width),
|
||
|
|
int(math.Sin(radian) * inner * height + height))
|
||
|
|
max := image.Pt (
|
||
|
|
int(math.Cos(radian) * outer * width + width),
|
||
|
|
int(math.Sin(radian) * outer * height + height))
|
||
|
|
// println(min.String(), max.String())
|
||
|
|
artist.Line(element.core, source, 1, min, max)
|
||
|
|
}
|