47 lines
830 B
Go
47 lines
830 B
Go
package dd
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import (
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"image"
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"image/png"
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"io/ioutil"
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"os"
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"github.com/golang/freetype/truetype"
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"golang.org/x/image/font"
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"golang.org/x/image/math/fixed"
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)
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func writeToPNG(path string, im image.Image) error {
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file, err := os.Create(path)
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if err != nil {
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return err
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}
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defer file.Close()
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return png.Encode(file, im)
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}
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func fp(x, y float64) fixed.Point26_6 {
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return fixed.Point26_6{fixed.Int26_6(x * 64), fixed.Int26_6(y * 64)}
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}
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func fi(x float64) fixed.Int26_6 {
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return fixed.Int26_6(x * 64)
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}
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func loadFontFace(path string, size float64) font.Face {
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fontBytes, err := ioutil.ReadFile(path)
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if err != nil {
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panic(err)
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}
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f, err := truetype.Parse(fontBytes)
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if err != nil {
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panic(err)
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}
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return truetype.NewFace(f, &truetype.Options{
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Size: size,
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DPI: 96,
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Hinting: font.HintingFull,
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})
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}
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