1 files changed, 18 insertions, 11 deletions

diff --git a/src/menu/background_color.cpp b/src/menu/background_color.cpp
index f55763b7..031ffe26 100644
--- a/src/menu/background_color.cpp
+++ b/src/menu/background_color.cpp
@@ -28,26 +28,33 @@
 namespace usdx
 {
 	BackgroundColor::BackgroundColor(const DrawableControl &control)
-		: Background(control), color(0,0,0)
+		: Background(control), color(0,0,0), size(0, 0)
 	{
 	}
 
 	BackgroundColor::BackgroundColor(const DrawableControl &control,
 									 const RgbColor &color) :
-		Background(control), color(color)
+		Background(control), color(color), size(0, 0)
 	{
 	}
 
-	void BackgroundColor::draw()
+	void BackgroundColor::updateVertices() {
+		vertices[0] = 0;
+		vertices[1] = get_parent().get_height();
+		vertices[2] = get_parent().get_width();
+		vertices[3] = get_parent().get_height();
+		vertices[4] = get_parent().get_width();
+		vertices[5] = 0;
+		vertices[6] = 0;
+		vertices[7] = 0;
+	}
+
+	void BackgroundColor::draw(void)
 	{
-		this->vertices[0] = 0;
-		this->vertices[1] = get_parent().get_height();
-		this->vertices[2] = get_parent().get_width();
-		this->vertices[3] = get_parent().get_height();
-		this->vertices[4] = get_parent().get_width();
-		this->vertices[5] = 0;
-		this->vertices[6] = 0;
-		this->vertices[7] = 0;
+		if (size != get_parent().get_size()) {
+			this->updateVertices();
+			size = get_parent().get_size();
+		}
 
 		glEnableClientState(GL_VERTEX_ARRAY);
 		glEnableClientState(GL_COLOR_ARRAY);