display-epaper/font.go

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2024-09-15 09:01:13 +02:00
package main
import (
"fmt"
"github.com/golang/freetype/truetype"
"github.com/llgcode/draw2d"
)
type MyFontCache map[string]*truetype.Font
func (fc MyFontCache) Store(fd draw2d.FontData, font *truetype.Font) {
fc[fd.Name] = font
}
func (fc MyFontCache) Load(fd draw2d.FontData) (*truetype.Font, error) {
font, stored := fc[fd.Name]
if !stored {
return nil, fmt.Errorf("font %s is not stored in font cache", fd.Name)
}
return font, nil
}