Add Font BoundingBox calculation

CopiumEngine/src/copium/sampler/Font.h

@@ -2,16 +2,13 @@
 
 #include "copium/sampler/Sampler.h"
 #include "copium/sampler/Glyph.h"
+#include "copium/util/BoundingBox.h"
 
 namespace Copium
 {
   class Font : public Sampler
   {
     CP_DELETE_COPY_AND_MOVE_CTOR(Font);
-    struct GlyphData
-    {
-
-    };
   private:
     VkImage image;
     VkDeviceMemory imageMemory;
@@ -27,6 +24,8 @@ namespace Copium
 
     const Glyph& GetGlyph(char c) const;
     float GetLineHeight() const;
+
+    BoundingBox GetTextBoundingBox(const std::string& str, float size) const;
   private:
     void InitializeTextureImageFromFile(const std::string& filename);
     void InitializeTextureImageFromData(const uint8_t* rgbaData, int width, int height);