50 lines
1.1 KiB
Go
50 lines
1.1 KiB
Go
//go:build pybadge
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// +build pybadge
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package main
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import (
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"image/color"
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"machine"
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"time"
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"tinygo.org/x/tinyfont"
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"tinygo.org/x/tinyfont/freesans"
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qrcode "github.com/skip2/go-qrcode"
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)
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func Info() {
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qr, err := qrcode.New("https://tinygo.org", qrcode.Medium)
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if err != nil {
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println(err, 123)
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}
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qrbytes := qr.Bitmap()
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size := int16(len(qrbytes))
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factor := int16(displayHeight / len(qrbytes))
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bx := (displayWidth - size*factor) / 2
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by := (displayHeight - size*factor) / 2
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display.FillScreen(color.RGBA{109, 0, 140, 255})
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for y := int16(0); y < size; y++ {
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for x := int16(0); x < size; x++ {
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if qrbytes[y][x] {
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display.FillRectangle(bx+x*factor, by+y*factor, factor, factor, colorBlack)
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} else {
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display.FillRectangle(bx+x*factor, by+y*factor, factor, factor, colorWhite)
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}
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}
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}
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tinyfont.WriteLine(&display, &freesans.Bold9pt7b, 5, 12, "SCAN ME", colorWhite)
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for {
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time.Sleep(100 * time.Millisecond)
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pressed, _ := buttons.Read8Input()
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if pressed&machine.BUTTON_SELECT_MASK > 0 || pressed&machine.BUTTON_START_MASK > 0 {
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break
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}
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}
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}
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