From c3e259f4d29e9bdcb73617ad8e4d71f117b4d289 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Sat, 30 Oct 2021 13:28:39 +0800
Subject: +freetype

---
 Runtime/GUI/TextGenerator.h | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

(limited to 'Runtime/GUI/TextGenerator.h')

diff --git a/Runtime/GUI/TextGenerator.h b/Runtime/GUI/TextGenerator.h
index 8bd9dc8..eacc99c 100644
--- a/Runtime/GUI/TextGenerator.h
+++ b/Runtime/GUI/TextGenerator.h
@@ -1,10 +1,32 @@
 #pragma once 
 
 #include "Runtime/Utilities/Singleton.h"
+#include <string>
+#include <unordered_map>
+
+//https://learnopengl.com/In-Practice/Text-Rendering
+
+struct Character {
+	unsigned int        textureID;  // ID handle of the glyph texture
+	Internal::Vector2   size;       // Size of glyph
+	Internal::Vector2   bearing;    // Offset from baseline to left/top of glyph
+	unsigned int        advance;    // Offset to advance to next glyph
+};
+
+namespace character
+{
+	typedef wchar_t unicode;
+	typedef unsigned int hash;
+}
 
 class TextGenerator : public Singleton<TextGenerator>
 {
 public:
 
 
+private: 
+	std::unordered_map<character::hash, Character> m_Characters;
+
+	character::hash GetCharacterHash(character::unicode unicode, int pixelSize);
+
 };
-- 
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