private protected virtual void Initialize()
{
if (IsReady)
{
DrawContext = DrawContext.CreateDrawContext(CreateTypeface(), FontSize, CultureInfo.CurrentCulture, FlowDirection, BrushTable, PenTable, hasCommentIcon: false, displayFocus: false);
ControllerView = LayoutControllerView.Create(Controller, TemplateSet, DrawContext);
InitializeProperties();
}
}
/// <summary>
/// Reads <paramref name="sourceStream"/> as an easly source code and from it create a bitmap using the BMP format in <paramref name="destinationStream"/>.
/// </summary>
/// <param name="sourceStream">The source code.</param>
/// <param name="destinationStream">The destination bitmap.</param>
/// <returns></returns>
private static int PreviewFile(FileStream sourceStream, FileStream destinationStream)
{
// Create a serializer than can read text or binary formats.
Serializer Serializer = new Serializer();
Serializer.Format = SerializationFormat.BinaryPreferred;
// Reads the source stream as an easly source code.
INode RootNode = Serializer.Deserialize(sourceStream) as INode;
// Create a controller for this source code.
ILayoutRootNodeIndex RootIndex = new LayoutRootNodeIndex(RootNode);
ILayoutController Controller = LayoutController.Create(RootIndex);
Size ViewSize;
// Create and open a visual on which to render.
DrawingVisual DrawingVisual = new DrawingVisual();
using (DrawingContext dc = DrawingVisual.RenderOpen())
{
// Create a draw context using default fonts and brushes.
DrawContext DrawContext = DrawContext.CreateDrawContext(new Typeface("Consolas"), 10, CultureInfo.CurrentCulture, System.Windows.FlowDirection.LeftToRight, null, null, hasCommentIcon: true, displayFocus: true);
// Create a view using custom frames (for how code is organized).
ILayoutControllerView ControllerView = LayoutControllerView.Create(Controller, EaslyEdit.CustomLayoutTemplateSet.LayoutTemplateSet, DrawContext);
ControllerView.SetCommentDisplayMode(EaslyController.Constants.CommentDisplayModes.All);
// Run the measure step to obtain the bitmap size.
ControllerView.MeasureAndArrange();
ViewSize = ControllerView.ViewSize;
// Draw a white background.
dc.DrawRectangle(Brushes.White, null, new System.Windows.Rect(0, 0, ViewSize.Width.Draw, ViewSize.Height.Draw));
// Draw the source code.
DrawContext.SetWpfDrawingContext(dc);
ControllerView.Draw(ControllerView.RootStateView);
}
// At this stage, the visual is ready with drawing data.
// Create a bitmap and renders the visual on it.
RenderTargetBitmap Bitmap = new RenderTargetBitmap((int)ViewSize.Width.Draw, (int)ViewSize.Height.Draw, Dpi, Dpi, PixelFormats.Default);
Bitmap.Render(DrawingVisual);
// Save the bitmap to the destination file with a BMP format encoder.
BmpBitmapEncoder Encoder = new BmpBitmapEncoder();
BitmapFrame Frame = BitmapFrame.Create(Bitmap);
Encoder.Frames.Add(Frame);
Encoder.Save(destinationStream);
return(0);
}