84 lines
1.7 KiB
Go
84 lines
1.7 KiB
Go
package clock
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import (
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"image"
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"image/color"
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"image/png"
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"strconv"
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"io"
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"time"
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"git.niplace.ru/XoxJlopeZ_1488/clock/imageutils"
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"git.niplace.ru/XoxJlopeZ_1488/clock/letter"
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)
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func Check(err error) {
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if err != nil {
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panic(err)
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}
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}
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var img1, img2 = letter.Nums[6].Render(), letter.Nums[9].Render()
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func DownRightBlank(img image.Image) image.Image {
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clr := color.White
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img = letter.Blank(img, clr, imageutils.Down)
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return letter.Blank(img, clr, imageutils.Right)
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}
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func LeftUpBlank(img image.Image) image.Image {
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clr := color.White
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img = letter.Blank(img, clr, imageutils.Left)
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return letter.Blank(img, clr, imageutils.Up)
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}
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func RenderNum(n int) image.Image {
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var img image.Image = image.NewRGBA(image.Rect(0,0,0,0))
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s := strconv.Itoa(n)
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for i := range s {
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n, err := strconv.Atoi(string(s[i]))
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if err != nil {
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panic(err)
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}
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println(n)
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num := letter.Nums[n].Render()
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num = DownRightBlank(num)
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img = imageutils.Concat(img, num, imageutils.Right)
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}
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img = LeftUpBlank(img)
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return img
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}
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func RenderTime(t time.Time) image.Image {
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hour := RenderNum(t.Hour())
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if t.Hour() < 10 {
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hour = imageutils.Concat(
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DownRightBlank(letter.Empty), hour, imageutils.Right)
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}
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minute := RenderNum(t.Minute())
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if t.Minute() < 10 {
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minute = imageutils.Concat(
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DownRightBlank(letter.Empty), minute, imageutils.Right)
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}
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img := imageutils.Concat(hour, minute, imageutils.Down)
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return img
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}
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func Margin(img image.Image, length int) image.Image {
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for i := 0; i < length; i++ {
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img = LeftUpBlank(DownRightBlank(img))
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}
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return img
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}
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func Time(w io.Writer) {
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t := time.Now()
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img := RenderTime(t)
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img = Margin(img, 3)
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img = imageutils.Scale(img, 1<<6)
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Check(png.Encode(w, img))
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}
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