/// <summary>
/// Renders the graph document as bitmap with default PixelFormat.Format32bppArgb.
/// </summary>
/// <param name="document">The graph document used.</param>
/// <param name="renderingOptions">The embedded rendering export options.</param>
/// <param name="pixelFormat">The pixel format for the bitmap. Default is PixelFormat.Format32bppArgb.</param>
/// <returns>The rendered enhanced metafile.</returns>
public static System.Drawing.Bitmap RenderAsBitmap(GraphDocumentBase document, EmbeddedObjectRenderingOptions renderingOptions, PixelFormat pixelFormat)
{
if (document is Gdi.GraphDocument)
{
return(Gdi.GraphDocumentExportActions.RenderAsBitmap((Gdi.GraphDocument)document, renderingOptions, pixelFormat));
}
else
{
return(Graph3D.GraphDocumentExportActions.RenderAsBitmap((Graph3D.GraphDocument)document, renderingOptions, pixelFormat));
}
}
public static void ShowFileExportSpecificDialog(this GraphDocumentBase doc)
{
object resopt = _graphExportOptionsToFile;
if (Current.Gui.ShowDialog(ref resopt, "Choose export options"))
{
_graphExportOptionsToFile = (GraphExportOptions)resopt;
}
else
{
return;
}
ShowFileExportDialog(doc, _graphExportOptionsToFile);
}
public static void ShowFileExportDialog(this GraphDocumentBase doc, GraphExportOptions graphExportOptions)
{
var saveOptions = new Altaxo.Gui.SaveFileOptions();
var list = GetFileFilterString(graphExportOptions.ImageFormat);
foreach (var entry in list)
{
saveOptions.AddFilter(entry.Key, entry.Value);
}
saveOptions.FilterIndex = 0;
saveOptions.RestoreDirectory = true;
if (Current.Gui.ShowSaveFileDialog(saveOptions))
{
using (Stream myStream = new FileStream(saveOptions.FileName, FileMode.Create, FileAccess.ReadWrite, FileShare.Read)) // we need FileAccess.ReadWrite when exporting to EMF/WMF format
{
var exporter = Current.ProjectService.GetProjectItemImageExporter(doc);
exporter?.ExportAsImageToStream(doc, graphExportOptions, myStream);
myStream.Close();
} // end openfile ok
} // end dlgresult ok
}
/// <summary>
/// Renders the graph document as enhanced metafile image in vector format with the options given in <paramref name="renderingOptions"/>
/// </summary>
/// <param name="document">The graph document used.</param>
/// <param name="renderingOptions">The embedded rendering export options.</param>
/// <returns>The rendered enhanced metafile.</returns>
public static System.Drawing.Imaging.Metafile RenderAsEnhancedMetafileVectorFormat(GraphDocumentBase document, EmbeddedObjectRenderingOptions renderingOptions)
{
if (document is Gdi.GraphDocument)
{
return(Gdi.GraphDocumentExportActions.RenderAsEnhancedMetafileVectorFormat((Gdi.GraphDocument)document, renderingOptions));
}
else
{
throw new NotImplementedException("Render as metafile is not supported for graph documents of type " + document.GetType());
}
}