ptrcnull/watchface
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refactor: Clean up code

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ptrcnull 2022-01-02 07:08:11 +01:00
parent 9698a95f16
commit 3f9492b694
6 changed files with 163 additions and 102 deletions
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5
README.md Normal file
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@ -0,0 +1,5 @@
# watchface
Custom watch face for ~~Ticwatch C2+~~ any watch running Linux with RGBA /dev/fb0 and 360x360 resolution
**Warning: this code is ugly and might be unstable**

27
app_clock.go Normal file
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package main
import (
"git.ddd.rip/ptrcnull/watchface/system"
"time"
)
var ClockTime = Text(62, 162, 8, 36, LightGray)
var ClockBattery = Text(90, 240, 3, 24, LightGray)
type Clock struct{}
func (s Clock) Init(face *Face) {
s.draw(face, time.Now())
}
func (s Clock) Render(face *Face) {
t := time.Now()
if t.Second() == 0 {
s.draw(face, t)
}
}
func (Clock) draw(face *Face, t time.Time) {
face.Text(ClockTime, t.Format("15:04"))
face.Text(ClockBattery, system.GetBattery())
}

27
app_simpleclock.go Normal file
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package main
import (
"git.ddd.rip/ptrcnull/watchface/system"
"time"
)
var SimpleClockTime = Text(108, 162, 5, 36, LightGray)
var SimpleClockBattery = Text(90, 240, 3, 24, LightGray)
type SimpleClock struct{}
func (s SimpleClock) Init(face *Face) {
s.draw(face, time.Now())
}
func (s SimpleClock) Render(face *Face) {
t := time.Now()
if t.Second() == 0 {
s.draw(face, t)
}
}
func (SimpleClock) draw(face *Face, t time.Time) {
face.Text(SimpleClockTime, t.Format("15:04"))
face.Text(SimpleClockBattery, system.GetBattery())
}

125
main.go
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@ -3,16 +3,9 @@ package main
import (
"image"
"image/color"
"io/ioutil"
"strings"
"time"
"golang.org/x/image/draw"
"golang.org/x/image/font"
"golang.org/x/image/math/fixed"
"github.com/golang/freetype"
"github.com/golang/freetype/truetype"
"git.ddd.rip/ptrcnull/watchface/framebuffer"
)
@ -21,110 +14,38 @@ var Gray = color.RGBA{R: 60, G: 60, B: 60, A: 60}
var LightGray = color.RGBA{R: 150, G: 150, B: 150, A: 150}
var White = color.RGBA{R: 255, G: 255, B: 255, A: 255}
func addLabel(img draw.Image, face font.Face, rect image.Rectangle, label string) {
point := fixed.Point26_6{X: fixed.Int26_6(rect.Min.X * 64), Y: fixed.Int26_6(rect.Max.Y * 64)}
d := &font.Drawer{
Dst: img,
Src: image.NewUniform(LightGray),
Face: face,
Dot: point,
}
d.DrawString(label)
type App interface {
Init(*Face)
Render(*Face)
}
var SecondClock = image.Rect(62, 162, 298, 198)
var MinuteClock = image.Rect(108, 162, 253, 198)
var Battery = image.Rect(90, 240, 150, 240+32)
var notoSans *truetype.Font
func sized(size float64) font.Face {
return truetype.NewFace(notoSans, &truetype.Options{
Size: size,
Hinting: font.HintingFull,
DPI: 0,
})
}
func main() {
fontData, _ := ioutil.ReadFile("/usr/share/fonts/noto/NotoSansMono-Regular.ttf")
notoSans, _ = freetype.ParseFont(fontData)
fb, _ := framebuffer.Open("/dev/fb0")
Fill(fb, fb.Bounds(), color.RGBA{})
face := Face{
//tmp: &framebuffer.SimpleRGBA{
// Pixels: make([]uint8, fb.Xres*fb.Yres*4),
// Stride: fb.Yres * 4,
// Xres: fb.Xres,
// Yres: fb.Yres,
//},
tmp: image.NewRGBA(fb.Bounds()),
fb: fb.SimpleRGBA,
}
simple := true
go face.MinuteClock(time.Now())
go face.Battery()
ticker := time.NewTicker(time.Second)
for {
t := time.Now()
if simple {
if t.Second() == 0 {
go face.MinuteClock(t)
go face.Battery()
}
} else {
go face.SecondClock(t)
if t.Second() == 0 {
go face.Battery()
}
}
<-ticker.C
}
}
var app App = SimpleClock{}
var launch func(App)
type Face struct {
tmp draw.Image
fb draw.Image
}
func (f *Face) Battery() {
Fill(f.tmp, Battery, color.RGBA{})
addLabel(f.tmp, sized(32), Battery, getBattery())
Copy(f.fb, f.tmp, Battery)
}
func main() {
fb, _ := framebuffer.Open("/dev/fb0")
Fill(fb, fb.Bounds(), color.RGBA{})
func (f *Face) SecondClock(t time.Time) {
Fill(f.tmp, SecondClock, color.RGBA{})
addLabel(f.tmp, sized(48), SecondClock, t.Format("15:04:05"))
Copy(f.fb, f.tmp, SecondClock)
}
func (f *Face) MinuteClock(t time.Time) {
Fill(f.tmp, MinuteClock, color.RGBA{})
addLabel(f.tmp, sized(48), MinuteClock, t.Format("15:04"))
Copy(f.fb, f.tmp, MinuteClock)
}
//func Loop(duration time.Duration, handler func()) {
// for {
// go handler()
// time.Sleep(duration)
// }
//}
func getBattery() string {
res, _ := ioutil.ReadFile("/sys/class/power_supply/battery/capacity")
value := strings.Trim(string(res), "\n")
if len(value) == 1 {
value = "0" + value
face := Face{
tmp: image.NewRGBA(fb.Bounds()),
fb: fb.SimpleRGBA,
}
if value == "100" {
return "uwu"
launch = func(newApp App) {
app = newApp
app.Init(&face)
}
app.Init(&face)
ticker := time.NewTicker(time.Second)
for {
go app.Render(&face)
<-ticker.C
}
return value + "%"
}

18
system/battery.go Normal file
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@ -0,0 +1,18 @@
package system
import (
"io/ioutil"
"strings"
)
func GetBattery() string {
res, _ := ioutil.ReadFile("/sys/class/power_supply/battery/capacity")
value := strings.Trim(string(res), "\n")
if len(value) == 1 {
value = "0" + value
}
if value == "100" {
return "uwu"
}
return value + "%"
}

63
text.go Normal file
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package main
import (
"image"
"image/color"
"io/ioutil"
"golang.org/x/image/font"
"golang.org/x/image/math/fixed"
"github.com/golang/freetype"
"github.com/golang/freetype/truetype"
)
const GlyphRatio = 0.85
var notoSans = loadNoto()
func sized(size float64) font.Face {
return truetype.NewFace(notoSans, &truetype.Options{
Size: size,
Hinting: font.HintingFull,
DPI: 100,
})
}
func loadNoto() *truetype.Font {
fontData, _ := ioutil.ReadFile("/usr/share/fonts/noto/NotoSansMono-Regular.ttf")
ttf, _ := freetype.ParseFont(fontData)
return ttf
}
func Text(x, y int, textLength, fontSize float64, color color.RGBA) *textData {
width := int(textLength * fontSize * GlyphRatio)
return &textData{
rect: image.Rect(x, y, x+width, y+int(fontSize)),
fontSize: fontSize,
color: color,
}
}
type textData struct {
rect image.Rectangle
fontSize float64
color color.RGBA
}
func (f *Face) Text(textData *textData, text string) {
Fill(f.tmp, textData.rect, color.RGBA{})
d := &font.Drawer{
Dst: f.tmp,
Src: image.NewUniform(textData.color),
Face: sized(textData.fontSize),
Dot: fixed.Point26_6{
X: fixed.Int26_6(textData.rect.Min.X * 64),
Y: fixed.Int26_6(textData.rect.Max.Y * 64),
},
}
d.DrawString(text)
Copy(f.fb, f.tmp, textData.rect)
}