ImageView.Layout.cs

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namespace BioImager
{
    public partial class ImageView
    {
        private void InvalidateView()
        {
            UpdateRenderSurfaceMode();
            UpdateScrollBars();
            overviewPanel.Invalidate();
            if (SelectedIndex >= 0 && SelectedIndex < Images.Count && UsesSlideRenderer(Images[SelectedIndex]))
                gl.Invalidate();
            else
                viewpanel.Invalidate();
        }
 
        protected override void OnLayout(LayoutEventArgs e)
        {
            base.OnLayout(e);
            if (viewpanel == null || statusPanel == null || trackBarPanel == null ||
                hScrollBar == null || vScrollBar == null)
                return;
 
            int top = showStatus ? statusPanel.Bottom : 0;
            int bottom = showControls ? trackBarPanel.Top : ClientSize.Height;
            bool pyramidal = SelectedIndex >= 0 && SelectedIndex < Images.Count && UsesSlideRenderer(Images[SelectedIndex]);
            int width = Math.Max(0, ClientSize.Width - (pyramidal ? vScrollBar.Width : 0));
            int height = Math.Max(0, bottom - top - (pyramidal ? hScrollBar.Height : 0));
            viewpanel.Bounds = new System.Drawing.Rectangle(0, top, width, height);
            hScrollBar.SetBounds(0, top + height, width, hScrollBar.Height);
            vScrollBar.SetBounds(width, top, vScrollBar.Width, height);
            UpdateScrollBars();
        }
    }
}