GuiButton.cs

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using Microsoft.Xna.Framework;
using Microsoft.Xna.Framework.Graphics;

namespace Loot.UI.Common.Controls.Button
{
    internal class GuiButton : GuiFramedElement
    {
        protected const int WIDTH = 50;
        protected const int HEIGHT = 50;

        internal enum ButtonType
        {
            StoneInnerBevel,
            StoneOuterBevel,
            Parchment,
            None
        }

        private static Texture2D _texture => Assets.Textures.GUI.ButtonTexture;
        protected ButtonType _buttonType;

        internal GuiButton(ButtonType buttonType) : base(new Vector2(WIDTH, HEIGHT), new Vector2(10, 10))
        {
            _buttonType = buttonType;
        }

        private Rectangle GetDrawRectangle()
        {
            switch (_buttonType)
            {
                case ButtonType.StoneInnerBevel:
                    return new Rectangle(0, 0, WIDTH, HEIGHT);
                case ButtonType.StoneOuterBevel:
                    return new Rectangle(WIDTH, 0, WIDTH, HEIGHT);
                case ButtonType.Parchment:
                default:
                    return new Rectangle(2 * WIDTH, 0, WIDTH, HEIGHT);
            }
        }

        protected override void DrawSelf(SpriteBatch spriteBatch)
        {
            //base.DrawSelf(spriteBatch);
            if (_buttonType != ButtonType.None)
            {
                spriteBatch.Draw(
                    _texture,
                    GetOuterDimensions().Position(),
                    GetDrawRectangle(),
                    Color.White
                );
            }

            //#if DEBUG
            //          spriteBatch.Draw(
            //              Main.magicPixel,
            //              GetOuterDimensions().ToRectangle(),
            //              Color.Blue * 0.4f
            //          );
            //#endif
        }
    }
}