Files
OpsLog/internal/qslcard/fonts.go
T
2026-06-13 01:34:45 +02:00

57 lines
2.0 KiB
Go

package qslcard
import (
"embed"
"os"
)
//go:embed assets/fonts/*.ttf assets/fonts/OFL-*.txt
var fontsFS embed.FS
// Font is one face the designer offers. Data is the raw TTF; the frontend
// registers it as a base64 @font-face (and inlines it into the SVG before
// rasterization so canvas export matches the live preview).
type Font struct {
Family string `json:"family"`
Kind string `json:"kind"` // "display" | "script" | "system"
Variable bool `json:"variable"`
Data []byte `json:"data"`
}
// fontFiles lists the embedded faces. All OFL-licensed (license texts ship
// alongside in assets/fonts).
var fontFiles = []struct {
family, kind, file string
variable bool
}{
{"Archivo Black", "display", "ArchivoBlack-Regular.ttf", false},
{"Lilita One", "display", "LilitaOne-Regular.ttf", false},
{"Baloo 2", "display", "Baloo2-Variable.ttf", true},
{"Oswald", "display", "Oswald-Variable.ttf", true},
{"Alfa Slab One", "display", "AlfaSlabOne-Regular.ttf", false}, // heavy slab serif (HS0ZLE-style)
{"Rye", "display", "Rye-Regular.ttf", false}, // Western slab
{"Great Vibes", "script", "GreatVibes-Regular.ttf", false},
{"Allura", "script", "Allura-Regular.ttf", false},
}
// cooperBlackPath is where MS Office installs Cooper Black; offered as a
// bonus display face when present (system font, not embedded).
const cooperBlackPath = `C:\Windows\Fonts\COOPBL.TTF`
// Fonts returns every available face: the embedded OFL set, plus Cooper
// Black when the machine has it.
func Fonts() ([]Font, error) {
out := make([]Font, 0, len(fontFiles)+1)
for _, f := range fontFiles {
data, err := fontsFS.ReadFile("assets/fonts/" + f.file)
if err != nil {
return nil, err // embedded read can only fail on a packaging bug
}
out = append(out, Font{Family: f.family, Kind: f.kind, Variable: f.variable, Data: data})
}
if data, err := os.ReadFile(cooperBlackPath); err == nil {
out = append(out, Font{Family: "Cooper Black", Kind: "system", Data: data})
}
return out, nil
}