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

        private static void CreateTabBorderPath(bool rtl,
                                                PaletteState state,
                                                bool forBorder,
                                                GraphicsPath borderPath,
                                                Rectangle rect,
                                                TabBorderStyle tabBorderStyle,
                                                VisualOrientation orientation)
        {
            // Correct drawing by reducing drawing rectangle
            switch (orientation)
            {
                case VisualOrientation.Top:
                    rect.Width--;
                    break;
                case VisualOrientation.Bottom:
                    rect.Y--;
                    rect.Width--;
                    break;
                case VisualOrientation.Left:
                    rect.Height--;
                    break;
                case VisualOrientation.Right:
                    rect.X--;
                    rect.Height--;
                    break;
            }

            // Add only the border for drawing
            switch (tabBorderStyle)
            {
                case TabBorderStyle.DockEqual:
                case TabBorderStyle.SquareEqualSmall:
                case TabBorderStyle.SquareEqualMedium:
                case TabBorderStyle.SquareEqualLarge:
                    AddSquarePath(borderPath, orientation, rect, forBorder);
                    break;
                case TabBorderStyle.DockOutsize:
                case TabBorderStyle.SquareOutsizeSmall:
                case TabBorderStyle.SquareOutsizeMedium:
                case TabBorderStyle.SquareOutsizeLarge:
                    rect = AdjustOutsizeTab(state, rect, orientation);
                    AddSquarePath(borderPath, orientation, rect, forBorder);
                    break;
                case TabBorderStyle.RoundedEqualSmall:
                case TabBorderStyle.RoundedEqualMedium:
                case TabBorderStyle.RoundedEqualLarge:
                    AddRoundedPath(borderPath, orientation, rect, forBorder);
                    break;
                case TabBorderStyle.RoundedOutsizeSmall:
                case TabBorderStyle.RoundedOutsizeMedium:
                case TabBorderStyle.RoundedOutsizeLarge:
                    rect = AdjustOutsizeTab(state, rect, orientation);
                    AddRoundedPath(borderPath, orientation, rect, forBorder);
                    break;
                case TabBorderStyle.SlantEqualNear:
                case TabBorderStyle.SlantOutsizeNear:
                    if (tabBorderStyle == TabBorderStyle.SlantOutsizeNear)
                        rect = AdjustOutsizeTab(state, rect, orientation);

                    if (rtl && ((orientation == VisualOrientation.Top) || (orientation == VisualOrientation.Bottom)))
                        AddSlantFarPath(borderPath, orientation, rect, forBorder);
                    else
                        AddSlantNearPath(borderPath, orientation, rect, forBorder);
                    break;
                case TabBorderStyle.SlantEqualFar:
                case TabBorderStyle.SlantOutsizeFar:
                    if (tabBorderStyle == TabBorderStyle.SlantOutsizeFar)
                        rect = AdjustOutsizeTab(state, rect, orientation);

                    if (rtl && ((orientation == VisualOrientation.Top) || (orientation == VisualOrientation.Bottom)))
                        AddSlantNearPath(borderPath, orientation, rect, forBorder);
                    else
                        AddSlantFarPath(borderPath, orientation, rect, forBorder);
                    break;
                case TabBorderStyle.SlantEqualBoth:
                case TabBorderStyle.SlantOutsizeBoth:
                    if (tabBorderStyle == TabBorderStyle.SlantOutsizeBoth)
                        rect = AdjustOutsizeTab(state, rect, orientation);

                    AddSlantBothPath(borderPath, orientation, rect, forBorder);
                    break;
                case TabBorderStyle.OneNote:
                    // Is the current tab selected?
                    bool selected = (state == PaletteState.CheckedNormal) ||
                                    (state == PaletteState.CheckedPressed) ||
                                    (state == PaletteState.CheckedTracking);

                    // The right padding depends on the selected state
                    int rp = (selected ? _spacingTabOneNoteRPS : _spacingTabOneNoteRPI);

                    // If not selected then need to make the tab shorter
                    if (!selected)
                        rect = AdjustOneNoteTab(rect, orientation);

                    if (rtl && ((orientation == VisualOrientation.Top) || (orientation == VisualOrientation.Bottom)))
                        AddOneNoteReversePath(borderPath, orientation, rect, forBorder, rp);
                    else
                        AddOneNotePath(borderPath, orientation, rect, forBorder, rp);
                    break;
                case TabBorderStyle.SmoothEqual:
                case TabBorderStyle.SmoothOutsize:
                    // Adjust the outsize tab variant
                    if (tabBorderStyle == TabBorderStyle.SmoothOutsize)
                        rect = AdjustSmoothTab(state, rect, orientation);

                    AddSmoothPath(borderPath, orientation, rect, forBorder);
                    break;
                default:
                    // Should never happen!
                    Debug.Assert(false);
                    break;
            }
        }