From 457d08080f5c3ce00ef1f2d39827b8cfe844fb3d Mon Sep 17 00:00:00 2001
From: Zsolt Tasnadi <rastasi@gmail.com>
Date: Thu, 6 Jul 2023 23:51:35 +0200
Subject: [PATCH] cachedFont

---
 konstructor/entity.font.go | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/konstructor/entity.font.go b/konstructor/entity.font.go
index ef1388c..7871c6c 100644
--- a/konstructor/entity.font.go
+++ b/konstructor/entity.font.go
@@ -9,14 +9,18 @@ import (
 )
 
 type FontLayout struct {
-	Path          string
-	DPI           float64
-	Size          float64
-	Color         color.Color
-	SelectedColor color.Color
+	Path           string
+	DPI            float64
+	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
 }