Add Font BoundingBox calculation

CopiumEngine/src/copium/util/BoundingBox.cpp

@@ -0,0 +1,25 @@
+#include "copium/util/BoundingBox.h"
+
+namespace Copium
+{
+  BoundingBox::BoundingBox()
+    : l{0.0f}, b{0.0f}, r{0.0f}, t{0.0f}
+  {}
+
+  BoundingBox::BoundingBox(float all)
+    : l{all}, b{all}, r{all}, t{all}
+  {}
+
+  BoundingBox::BoundingBox(float l, float b, float r, float t)
+    : l{l}, b{b}, r{r}, t{t}
+  {}
+
+  BoundingBox::BoundingBox(glm::vec2 lb, glm::vec2 rt)
+    : lb{lb}, rt{rt}
+  {}
+
+  glm::vec2 BoundingBox::GetSize() const 
+  {
+    return rt - lb;
+  }
+}

CopiumEngine/src/copium/util/BoundingBox.h

@@ -0,0 +1,22 @@
+#pragma once
+
+#include <glm/glm.hpp>
+
+namespace Copium
+{
+  struct BoundingBox
+  {
+    union
+    {
+      struct { float l; float b; float r; float t; };
+      struct { glm::vec2 lb; glm::vec2 rt; };
+      struct { glm::vec4 lbrt; };
+    };
+    BoundingBox();
+    BoundingBox(float all);
+    BoundingBox(float l, float b, float r, float t);
+    BoundingBox(glm::vec2 lb, glm::vec2 rt);
+
+    glm::vec2 GetSize() const;
+  };
+}