private void CreateObjectIdBitmapButton_OnClick(object sender, RoutedEventArgs e)
{
if (_objectIdRenderingStep == null)
{
return;
}
_objectIdRenderingStep.IsEnabled = true;
MainDXViewportView.DXScene.DefaultRenderObjectsRenderingStep.IsEnabled = false;
try
{
var renderToBitmap = MainDXViewportView.RenderToBitmap(MainDXViewportView.DXScene.Width, MainDXViewportView.DXScene.Height, preferedMultisampling: 0);
string fileName = System.IO.Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.DesktopDirectory), "ObjectIds.png");
SaveBitmap(renderToBitmap, fileName);
System.Diagnostics.Process.Start(new System.Diagnostics.ProcessStartInfo(fileName)
{
UseShellExecute = true
}); // For .Net CORE projects we need to set UseShellExecute to true
}
finally
{
_objectIdRenderingStep.IsEnabled = false;
MainDXViewportView.DXScene.DefaultRenderObjectsRenderingStep.IsEnabled = true;
}
}
private BitmapSource RenderObjectIdBitmap()
{
if (_objectIdRenderingStep == null)
{
return(null);
}
BitmapSource objectIdBitmap;
// Now enable our custom rendering step that will be used only for RenderToBitmap
_objectIdRenderingStep.IsEnabled = true;
MainDXViewportView.DXScene.DefaultRenderObjectsRenderingStep.IsEnabled = false;
try
{
// Render to the same size as seen on the screen but without multi-sampling and super-sampling
objectIdBitmap = MainDXViewportView.RenderToBitmap(MainDXViewportView.DXFinalPixelSize.Width,
MainDXViewportView.DXFinalPixelSize.Height,
preferedMultisampling: 0,
supersamplingCount: 1);
if (objectIdBitmap != null)
{
int bitmapSize = objectIdBitmap.PixelHeight * objectIdBitmap.PixelWidth * 4; // 4 bytes per pixel
// Try to reuse the _objectIdPixelsArray
if (_objectIdPixelsArray == null || _objectIdPixelsArray.Length < bitmapSize)
{
_objectIdPixelsArray = new byte[bitmapSize];
}
objectIdBitmap.CopyPixels(_objectIdPixelsArray, objectIdBitmap.PixelWidth * 4, 0);
_objectIdBitmapWidth = objectIdBitmap.PixelWidth;
_objectIdBitmapHeight = objectIdBitmap.PixelHeight;
}
}
finally
{
_objectIdRenderingStep.IsEnabled = false;
MainDXViewportView.DXScene.DefaultRenderObjectsRenderingStep.IsEnabled = true;
}
return(objectIdBitmap);
}
