text drawing using freetype

font.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#include "shader.h"
+
+typedef struct Size {
+  int width;
+  int height;
+} Size;
+
+typedef struct Character {
+  unsigned int texture_id;
+  Size size;
+  Size bearing;
+  unsigned int advance;
+} Character;
+
+int init_fonts(const char *font_path);
+void prepare_font(unsigned int *vao, unsigned int *vbo);
+Size calculate_text_size(const char *text, float scale);
+void draw_number(Shader shader, int text, int row, int column, float scale,unsigned int vao, unsigned int vbo, float* transform);
+void draw_text(Shader shader, const char *text, Size text_size, float scale, unsigned int vao, unsigned int vbo, float *projection);