private void OnGraphPanel_SizeChanged(PointD2D newSize)
{
if (!(newSize.X > 0 && newSize.Y > 0))
{
return;
}
if (null == _renderer)
{
_d3dCanvas.Source = new D3D10ImageSource(Controller?.Doc?.Name);
_renderer = new D3D10RendererToImageSource(_scene, (D3D10ImageSource)_d3dCanvas.Source, Controller?.Doc?.Name);
// invalidate the cached graph sizes in order to force a new rendering
_cachedGraphSize_Pixels = new System.Drawing.Size(0, 0);
_cachedGraphSize_96thInch = new PointD2D(0, 0);
}
if (newSize != _cachedGraphSize_96thInch)
{
_cachedGraphSize_96thInch = newSize;
var screenResolution = Current.Gui.ScreenResolutionDpi;
var graphSizePixels = screenResolution * _cachedGraphSize_96thInch / 96.0;
_cachedGraphSize_Pixels = new System.Drawing.Size((int)graphSizePixels.X, (int)graphSizePixels.Y);
_renderer.SetRenderSize(_cachedGraphSize_Pixels.Width, _cachedGraphSize_Pixels.Height);
Controller?.EhView_GraphPanelSizeChanged(); // inform controller
}
}
public void AnnounceContentVisibilityChanged(bool isVisible)
{
_isGraphVisible = isVisible;
// System.Diagnostics.Debug.WriteLine("Visibility of Graph {0} is now {1} Canvas: {2}x{3}", Controller?.Doc?.Name, _isGraphVisible, _guiCanvas.ActualWidth, _guiCanvas.ActualHeight);
if (_isGraphVisible)
{
OnGraphPanel_SizeChanged(new PointD2D(_guiCanvas.ActualWidth, _guiCanvas.ActualHeight));
}
else
{
var tempRenderer = _renderer;
_renderer = null;
tempRenderer?.Dispose();
var oldSource = (D3D10ImageSource)_d3dCanvas.Source;
_d3dCanvas.Source = null;
oldSource?.Dispose();
}
}
