cachedFont

konstructor/entity.font.go

@@ -14,9 +14,13 @@ type FontLayout struct {
 	Size           float64
 	Color          color.Color
 	SelectedColor  color.Color
+	cachedFontFace font.Face
 }
 
 func (fl *FontLayout) GetFontFace() font.Face {
+	if fl.cachedFontFace != nil {
+		return fl.cachedFontFace
+	}
 	file, _ := ioutil.ReadFile(fl.Path)
 	true_type, _ := opentype.Parse(file)
 	font_face, _ := opentype.NewFace(true_type, &opentype.FaceOptions{
@@ -24,5 +28,6 @@ func (fl *FontLayout) GetFontFace() font.Face {
 		DPI:     fl.Size,
 		Hinting: font.HintingVertical,
 	})
+	fl.cachedFontFace = font_face
 	return font_face
 }