59 lines
961 B
Go
59 lines
961 B
Go
package main
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import (
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"bytes"
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"fmt"
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"image"
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"image/color"
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"image/png"
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"golang.org/x/image/font"
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"golang.org/x/image/font/gofont/gobold"
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"golang.org/x/image/font/opentype"
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"golang.org/x/image/math/fixed"
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)
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var myFont, _ = opentype.Parse(gobold.TTF)
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var fontFace, _ = opentype.NewFace(myFont, &opentype.FaceOptions{
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Size: 160,
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DPI: 72,
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Hinting: font.HintingNone,
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})
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type myIcon struct {
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data *image.RGBA
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}
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func (m *myIcon) Name() string {
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return "icon.png"
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}
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func (m *myIcon) Content() []byte {
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buf := new(bytes.Buffer)
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_ = png.Encode(buf, m.data)
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return buf.Bytes()
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}
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func buildImage(db int) *myIcon {
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i := &myIcon{}
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size := 256
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i.data = image.NewRGBA(image.Rect(0, 0, size, size))
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co := color.RGBA{A: 255}
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d := &font.Drawer{
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Dst: i.data,
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Src: image.NewUniform(co),
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Face: fontFace,
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Dot: fixed.P(-3, 190),
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}
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r := []rune(fmt.Sprintf("%3s", fmt.Sprintf("%d", db)))
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l := string(r)
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d.DrawString(l)
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return i
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}
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