ComponentFactory.Krypton.Toolkit.RenderStandard.DrawGridSortGlyph C# (CSharp) Method

        public override Rectangle DrawGridSortGlyph(RenderContext context,
                                                    SortOrder sortOrder,
                                                    Rectangle cellRect,
                                                    IPaletteContent paletteContent,
                                                    PaletteState state,
                                                    bool rtl)
        {
            Debug.Assert(context != null);
            Debug.Assert(paletteContent != null);

            // Get the appropriate each to draw
            Image sortImage = _gridSortOrder.Images[(sortOrder == SortOrder.Ascending ? 0 : 1)];

            // Is there enough room to draw the image?
            if ((sortImage.Width < cellRect.Width) && (sortImage.Height < cellRect.Height))
            {
                // Find the drawing location of the image
                int y = cellRect.Top + (cellRect.Height - sortImage.Height) / 2;
                int x = (rtl ? cellRect.X : cellRect.Right - sortImage.Width);

                // Grab the foreground color to use for the image
                Color imageColor = paletteContent.GetContentShortTextColor1(state);

                // Draw the image with remapping the image color to the foreground color
                using (ImageAttributes attribs = new ImageAttributes())
                {
                    ColorMap cm = new ColorMap();
                    cm.OldColor = Color.Black;
                    cm.NewColor = CommonHelper.MergeColors(imageColor, 0.75f, Color.Transparent, 0.25f);
                    attribs.SetRemapTable(new ColorMap[] { cm }, ColorAdjustType.Bitmap);

                    context.Graphics.DrawImage(sortImage,
                                               new Rectangle(x, y, sortImage.Width, sortImage.Height),
                                               0, 0, sortImage.Width, sortImage.Height,
                                               GraphicsUnit.Pixel, attribs);
                }

                // Reduce the cell rect by that used up
                cellRect.Width -= sortImage.Width;

                // With rtl we need to move across to the right
                if (rtl)
                    cellRect.X += sortImage.Width;
            }

            return cellRect;
        }