Implement static draw routines to RectBase to unify JUI's rectangle motifs.

include/JUI/Base/RectBase.hpp

@@ -18,6 +18,8 @@
 #include "JGL/types/RenderTarget.h"
 #include <JUI/DefaultStyle.hpp>
 
+#include "JGL/JGL.h"
+
 namespace JUI
 {
     enum class BorderMode
@@ -28,7 +30,7 @@ namespace JUI
     };
 
     enum class CornerRoundingMode {
-        None, Circular, Chamfer,
+        None, Rounded, Chamfer,
     };
 
     /// Base implementation for rendering rectangles with decorations.
@@ -72,9 +74,29 @@ namespace JUI
 
         void Draw(const Vector2& pos, const Vector2& size);
         void Draw(const Color4& bgColor, const Color4& fgColor, const Vector2& pos, const Vector2& size);
+
+        /// Core routine for drawing outline rects.
+        static void DrawOutline(const Color4& color,
+            const Vector2& pos, const Vector2& size,
+            float rounding, float borderWidth,
+            enum BorderMode borderMode, enum CornerRoundingMode cornerRoundingMode);
+
+        /// Core routine for drawing background rects.
+        static void DrawBG(const Color4& color,
+            const Vector2& pos, const Vector2& size,
+            float rounding,
+            enum CornerRoundingMode rounding_mode);
+
+        /// Core routine for drawing rect boxes, with background and outline.
+        static void Draw(const Color4& bgColor, const Color4& fgColor,
+            const Vector2& pos, const Vector2& size,
+            float rounding, float borderWidth,
+            enum BorderMode borderMode, enum CornerRoundingMode rounding_mode);
+
     protected:
 
         enum BorderMode border_mode = BorderMode::Middle;
+        enum CornerRoundingMode corner_mode = CornerRoundingMode::Rounded;
         bool mouse_press_debounce{};
         bool mouse_inside_debounce{};
         float border_width = Style::BorderLineWidth;