System.Windows.Forms.CustomTabControl.GetTabImageRect C# (CSharp) Method

        private Rectangle GetTabImageRect(GraphicsPath tabBorderPath)
        {
            Rectangle imageRect = new Rectangle();
            RectangleF rect = tabBorderPath.GetBounds();

            //	Make it shorter or thinner to fit the height or width because of the padding added to the tab for painting
            switch (this.Alignment) {
                case TabAlignment.Top:
                    rect.Y += 4;
                    rect.Height -= 6;
                    break;
                case TabAlignment.Bottom:
                    rect.Y += 2;
                    rect.Height -= 6;
                    break;
                case TabAlignment.Left:
                    rect.X += 4;
                    rect.Width -= 6;
                    break;
                case TabAlignment.Right:
                    rect.X += 2;
                    rect.Width -= 6;
                    break;
            }

            //	Ensure image is fully visible
            if (this.Alignment <= TabAlignment.Bottom) {
                if ((this._StyleProvider.ImageAlign & NativeMethods.AnyLeftAlign) != ((ContentAlignment) 0)){
                    imageRect = new Rectangle((int)rect.X, (int)rect.Y + (int)Math.Floor((double)((int)rect.Height - 16)/2), 16, 16);
                    while (!tabBorderPath.IsVisible(imageRect.X, imageRect.Y)) {
                        imageRect.X += 1;
                    }
                    imageRect.X += 4;

                } else if ((this._StyleProvider.ImageAlign & NativeMethods.AnyCenterAlign) != ((ContentAlignment) 0)){
                    imageRect = new Rectangle((int)rect.X + (int)Math.Floor((double)(((int)rect.Right - (int)rect.X - (int)rect.Height + 2)/2)), (int)rect.Y + (int)Math.Floor((double)((int)rect.Height - 16)/2), 16, 16);
                } else {
                    imageRect = new Rectangle((int)rect.Right, (int)rect.Y + (int)Math.Floor((double)((int)rect.Height - 16)/2), 16, 16);
                    while (!tabBorderPath.IsVisible(imageRect.Right, imageRect.Y)) {
                        imageRect.X -= 1;
                    }
                    imageRect.X -= 4;

                    //	Move it in further to allow for the tab closer
                    if (this._StyleProvider.ShowTabCloser && !this.RightToLeftLayout){
                        imageRect.X -= 10;
                    }
                }
            } else {
                if ((this._StyleProvider.ImageAlign & NativeMethods.AnyLeftAlign) != ((ContentAlignment) 0)){
                    imageRect = new Rectangle((int)rect.X + (int)Math.Floor((double)((int)rect.Width - 16)/2), (int)rect.Y, 16, 16);
                    while (!tabBorderPath.IsVisible(imageRect.X, imageRect.Y)) {
                        imageRect.Y += 1;
                    }
                    imageRect.Y += 4;
                } else if ((this._StyleProvider.ImageAlign & NativeMethods.AnyCenterAlign) != ((ContentAlignment) 0)){
                    imageRect = new Rectangle((int)rect.X + (int)Math.Floor((double)((int)rect.Width - 16)/2), (int)rect.Y + (int)Math.Floor((double)(((int)rect.Bottom - (int)rect.Y - (int)rect.Width + 2)/2)), 16, 16);
                } else {
                    imageRect = new Rectangle((int)rect.X + (int)Math.Floor((double)((int)rect.Width - 16)/2), (int)rect.Bottom , 16, 16);
                    while (!tabBorderPath.IsVisible(imageRect.X, imageRect.Bottom)) {
                        imageRect.Y -= 1;
                    }
                    imageRect.Y -= 4;

                    //	Move it in further to allow for the tab closer
                    if (this._StyleProvider.ShowTabCloser && !this.RightToLeftLayout){
                        imageRect.Y -= 10;
                    }
                }
            }
            return imageRect;
        }