private static IntPtr OnCreateTexturePreview(int serial_number, int x, int y, IntPtr pTexture)
{
RenderPlugIn p = LookUpBySerialNumber(serial_number) as RenderPlugIn;
if (p == null || x < 1 || y < 1 || pTexture == IntPtr.Zero)
{
HostUtils.DebugString("ERROR: Invalid input for OnCreateTexturePreview");
return IntPtr.Zero;
}
var texture = RenderContent.FromPointer(pTexture) as RenderTexture;
IntPtr pBitmap = IntPtr.Zero;
CreateTexture2dPreviewEventArgs args = new CreateTexture2dPreviewEventArgs(texture, new Size(x, y));
try
{
p.CreateTexture2dPreview(args);
if (args.PreviewImage != null)
pBitmap = args.PreviewImage.GetHbitmap();
}
catch (Exception ex)
{
HostUtils.ExceptionReport("OnCreateTexturePreview", ex);
pBitmap = IntPtr.Zero;
}
return pBitmap;
}
/// <summary>
/// Creates the preview bitmap that will appear in the content editor's
/// thumbnail display when previewing textures in 2d (UV) mode.
///
/// If this function is not overridden or the PreviewImage is not set on the
/// args, then the internal OpenGL renderer will generate a simulation.
/// </summary>
/// <param name="args">Event argument with several preview option state properties.</param>
protected virtual void CreateTexture2dPreview(CreateTexture2dPreviewEventArgs args) { }