Source/Ribbon/ButtonItemPainter.cs

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using System;
using System.Drawing;

namespace DevComponents.DotNetBar
{
	/// <summary>
	/// Summary description for ButtonItemPainter.
	/// </summary>
	internal abstract class ButtonItemPainter
	{
		public abstract void PaintButton(ButtonItem button, ItemPaintArgs pa);
        public abstract void PaintButtonBackground(ButtonItem button, ItemPaintArgs pa, CompositeImage image);
		public abstract void PaintButtonCheck(ButtonItem button, ItemPaintArgs pa, CompositeImage image, Rectangle r);
		public abstract void PaintButtonImage(ButtonItem button, ItemPaintArgs pa, CompositeImage image, Rectangle imagebounds);
		public abstract void PaintButtonMouseOver(ButtonItem button, ItemPaintArgs pa, CompositeImage image, Rectangle r);
		public abstract void PaintButtonText(ButtonItem button, ItemPaintArgs pa, Color textColor, CompositeImage image);
		public abstract void PaintCustomizeCheck(ButtonItem button, ItemPaintArgs pa, Rectangle r);
		public abstract void PaintExpandButton(ButtonItem button, ItemPaintArgs pa);

		public abstract Rectangle GetCheckRectangle(ButtonItem button, ItemPaintArgs pa, CompositeImage image);
		public abstract Rectangle GetCustomizeMenuCheckRectangle(ButtonItem button, ItemPaintArgs pa);
		public abstract Rectangle GetImageRectangle(ButtonItem button, ItemPaintArgs pa, CompositeImage image);
		public abstract Rectangle GetMouseOverRectangle(ButtonItem button, ItemPaintArgs pa, CompositeImage image);

		public abstract eTextFormat GetStringFormat(ButtonItem button, ItemPaintArgs pa, CompositeImage image);

		public static string GetDrawText(string text)
		{
			return text; //.Replace(@"\n",Environment.NewLine);
		}

		public static bool IsItemEnabled(BaseItem item, ItemPaintArgs pa)
		{
			return item.Enabled && pa.ContainerControl.Enabled;
		}

        public static Point[] GetExpandPolygon(Rectangle r, ePopupSide direction)
        {
            Point[] p = new Point[3];
            Size defaultSize = new Size(4, 3);
            switch (direction)
            {
                case ePopupSide.Right:
                    {
                        p[0].X = r.Left + 1;
                        p[0].Y = r.Top + (r.Height - defaultSize.Height) / 2 - 1;
                        p[1].X = p[0].X;
                        p[1].Y = p[0].Y + 6;
                        p[2].X = p[0].X + 3;
                        p[2].Y = p[0].Y + 3;
                        break;
                    }
                case ePopupSide.Left:
                    {
                        p[0].X = r.Left + 3;
                        p[0].Y = r.Top + (r.Height - defaultSize.Height) / 2 - 1;
                        p[1].X = p[0].X;
                        p[1].Y = p[0].Y + 6;
                        p[2].X = p[0].X - 3;
                        p[2].Y = p[0].Y + 3;