82 lines
1.4 KiB
Go
82 lines
1.4 KiB
Go
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package fonts
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import (
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"bytes"
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"log"
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_ "embed"
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"github.com/hajimehoshi/ebiten/v2/text/v2"
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"golang.org/x/image/font"
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"golang.org/x/image/font/opentype"
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"golang.org/x/image/font/sfnt"
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)
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const (
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FontDPI = 72
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FontSizeStandard = 16
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FontSizeLarge = 24
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)
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type FontStruct struct {
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Standard font.Face
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Large font.Face
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New *text.GoTextFaceSource
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Bitfont *text.GoTextFaceSource
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}
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var (
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//go:embed vcrmono.ttf
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vcrmono_ttf []byte
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//go:embed bitbybit.ttf
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bitbybit_ttf []byte
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LaunchyFont FontStruct
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)
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func LoadFontFatal(src []byte) *sfnt.Font {
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tt, err := opentype.Parse(src)
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if err != nil {
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log.Fatal(err)
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}
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return tt
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}
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func GetFaceFatal(fnt *sfnt.Font, dpi, size float64) font.Face {
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var face font.Face
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var err error
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if dpi > 0 && size > 0 && fnt != nil {
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face, err = opentype.NewFace(fnt, &opentype.FaceOptions{
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Size: size,
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DPI: dpi,
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Hinting: font.HintingVertical,
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})
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if err != nil {
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log.Fatal(err)
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}
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}
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return face
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}
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func init() {
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LaunchyFont = FontStruct{}
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fnt := LoadFontFatal(vcrmono_ttf)
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LaunchyFont.Standard = GetFaceFatal(fnt, FontDPI, FontSizeStandard)
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LaunchyFont.Large = GetFaceFatal(fnt, FontDPI, FontSizeLarge)
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s, err := text.NewGoTextFaceSource(bytes.NewReader(vcrmono_ttf))
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if err != nil {
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log.Fatal(err)
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}
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LaunchyFont.New = s
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s, err = text.NewGoTextFaceSource(bytes.NewReader(bitbybit_ttf))
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if err != nil {
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log.Fatal(err)
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}
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LaunchyFont.Bitfont = s
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}
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