1 files changed, 47 insertions, 0 deletions
diff --git a/src/main/java/cc/polyfrost/oneconfig/renderer/font/FontManager.java b/src/main/java/cc/polyfrost/oneconfig/renderer/font/FontManager.java
new file mode 100644
index 0000000..388911d
--- /dev/null
+++ b/src/main/java/cc/polyfrost/oneconfig/renderer/font/FontManager.java
@@ -0,0 +1,47 @@
+package cc.polyfrost.oneconfig.renderer.font;
+
+import cc.polyfrost.oneconfig.utils.IOUtils;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+
+import static org.lwjgl.nanovg.NanoVG.nvgCreateFontMem;
+
+public class FontManager {
+    public static FontManager INSTANCE = new FontManager();
+
+    /**
+     * Load all fonts in the Fonts class
+     *
+     * @param vg NanoVG context
+     */
+
+    public void initialize(long vg) {
+        for (Fonts fonts : Fonts.values()) {
+            loadFont(vg, fonts.font);
+        }
+    }
+
+    /**
+     * Load a font into NanoVG
+     *
+     * @param vg   NanoVG context
+     * @param font The font to be loaded
+     */
+    public void loadFont(long vg, Font font) {
+        if (font.isLoaded()) return;
+        int loaded = -1;
+        try {
+            ByteBuffer buffer = IOUtils.resourceToByteBuffer(font.getFileName());
+            loaded = nvgCreateFontMem(vg, font.getName(), buffer, 0);
+            font.setBuffer(buffer);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        if (loaded == -1) {
+            throw new RuntimeException("Failed to initialize font " + font.getName());
+        } else {
+            font.setLoaded(true);
+        }
+    }
+}