Samll additions to the text renderer

Author: ScriptCodex13

src/GUI/TextRenderer.cpp

@@ -166,6 +166,12 @@ namespace zap
 		i_scale_y = scale_y;
 	}
 
+	void Text::EnableRequriedOpenGLSettings()
+	{
+		glEnable(GL_BLEND);
+		glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+	}
+
 	void Text::SetTextureFilter(zap::TextureFilters filter)
 	{
 		i_texture_filter = filter;

src/GUI/TextRenderer.h

@@ -65,6 +65,8 @@ namespace zap
 		void SetColor(float RED, float GREEN, float BLUE);
 		void SetScale(float scale_x, float scale_y);
 
+		void EnableRequriedOpenGLSettings();
+
 		void SetTextureFilter(zap::TextureFilters filter);
 		void SetMipmapSettings(zap::MipmapSettings setting);