Continue adding opengl font support.

src/visual_elements/TextData.h

@@ -0,0 +1,16 @@
+#pragma once
+
+#include "DiscretePoint.h"
+#include "Color.h"
+#include "FontItem.h"
+
+class TextData
+{
+public:
+    TextData() = default;
+    DiscretePoint mLocation;
+    std::string mContent;
+    Color mFillColor;
+    Color mStrokeColor;
+    FontItem mFont;
+};