2 files changed, 49 insertions, 10 deletions

diff --git a/src/ui/paint.cc b/src/ui/paint.cc
index 7b8e43f..6dd85b8 100644
--- a/src/ui/paint.cc
+++ b/src/ui/paint.cc
@@ -58,6 +58,20 @@ void Paint::draw_rectangle(const math::Vector2f &global_location, const math::Ve
 	end();
 }
 
+void Paint::draw_rectangle_gradient(const math::Vector2f &global_location, const math::Vector2f &size, const math::Color & color_left, const math::Color & color_right)
+{
+	gl::begin(gl::Quads);
+	gl::color(color_left);
+	gl::vertex(global_location.x(), global_location.y());
+	gl::color(color_right);
+	gl::vertex(global_location.x() + size.width(), global_location.y());
+	gl::color(color_right);
+	gl::vertex(global_location.x() + size.width(), global_location.y() + size.height());
+	gl::color(color_left);
+	gl::vertex(global_location.x(), global_location.y() + size.height());
+	gl::end();
+}
+
 // draw a bitmap
 void Paint::draw_bitmap(const math::Vector2f &global_location, const math::Vector2f &size, const std::string &texture)
 {
diff --git a/src/ui/paint.h b/src/ui/paint.h
index d21aaa0..b2829ea 100644
--- a/src/ui/paint.h
+++ b/src/ui/paint.h
@@ -19,23 +19,40 @@ namespace ui {
 class Paint
 {
 public:
-	/// set paint color to RGB value
+	/**
+	 * @brief set paint color to RGB value
+	 * */
 	static void set_color(float r = 0.0f, float g = 0.0f, float b = 0.0f, float a = 1.0f);
 
-	/// set paint color to RGB value
+	/**
+	 * @brief set paint color to RGB value
+	 * */
 	static void set_color(math::Color const & color);
 
-	/// set paint color to system color code
+	/**
+	 * @brief set paint color to system color code
+	 * */
 	static void set_system_color(const char c);
 
-	/// assign system color code
+	/**
+	 * @brief assign system color code
+	 * */
 	static void assign_system_color(const char c, const math::Color &color);
 
-	/// draw a border
+	/**
+	 * @brief draw a border
+	 * */
 	static void draw_border(const math::Vector2f &global_location, const math::Vector2f &size);
 
-	/// draw a rectangle
+	/**
+	 * @brief draw a rectangle
+	 * */
 	static void draw_rectangle(const math::Vector2f &global_location, const math::Vector2f &size);
+	
+	/**
+	 * @brief draw a color gradient rectangle
+	 * */
+	static void draw_rectangle_gradient(const math::Vector2f &global_location, const math::Vector2f &size, const math::Color & color_left, const math::Color & color_right);
 
 	/**
 	 * @brief draw a rectangular bitmap
@@ -43,16 +60,24 @@ public:
 	 **/	
 	static void draw_bitmap(const math::Vector2f &global_location, const math::Vector2f &size, const std::string &texture);
 	
-	/// draw a rectangular bitmap and overrride material color
+	/**
+	 * @brief draw a rectangular bitmap and overrride material color
+	 * */
 	static void draw_bitmap(const math::Vector2f &global_location, const math::Vector2f &size, const math::Color & color, const std::string &texture);
 	
-	/// draw a tiled bitmap
+	/**
+	 * @brief draw a tiled bitmap
+	 * */
 	static void draw_material(const math::Vector2f &global_location, const math::Vector2f &size, const std::string &texture);
 
-	/// draw unaligned text
+	/**
+	 * @brief draw unaligned text
+	 * */
 	static void draw_text(const math::Vector2f &global_location, const Font *font, const std::string &text);
 	
-	/// draw aligned text
+	/**
+	 * @brief draw aligned text
+	 * */
 	static void draw_label(const math::Vector2f &global_location, const math::Vector2f &size, const Font *font, const std::string &text, const unsigned int alignment = AlignCenter);
 
 };