/// <summary>
/// Renders the XAML contained within a file to the specified ImageFormat and writes it to the Stream
/// </summary>
/// <param name="xamlPath">The path of the XAML file to render</param>
/// <param name="dataContext">The DataContext to pass to the XAML control</param>
/// <param name="streamToWriteTo">The Stream to write the renderd image to</param>
/// <param name="imageFormat">The ImageFormat to encode the rendered image</param>
public static void RenderPath(string xamlPath, object dataContext, Stream streamToWriteTo, ImageFormat imageFormat)
{
using (var img = new XamlImage {
Path = xamlPath,
DataContext = dataContext,
ImageFormat = imageFormat
})
{
img.Render();
if (img.Stream != null)
{
img.Stream.WriteTo(streamToWriteTo);
}
}
}
public void Render(ViewContext viewContext, System.IO.TextWriter writer)
{
object dataContext = null;
if (viewContext.ViewData.Model != null)
{
dataContext = viewContext.ViewData.Model;
}
else
{
dataContext = (dynamic)(new DynamicDictionary(viewContext.ViewData));
}
var xamlPath = viewContext.HttpContext.Server.MapPath(this.ViewPath);
var response = viewContext.HttpContext.Response;
response.ContentType = GetContentType(this.ImageFormat);
XamlImage.RenderPath(xamlPath, dataContext, response.OutputStream, this.ImageFormat);
}
/// <summary>
/// Renders the XAML contained within a file to PNG format and writes it to the Stream
/// </summary>
/// <param name="xamlPath">The path of the XAML file to render</param>
/// <param name="dataContext">The DataContext to pass to the XAML control</param>
/// <param name="streamToWriteTo">The Stream to write the renderd image to</param>
public static void RenderPath(string xamlPath, object dataContext, Stream streamToWriteTo)
{
XamlImage.RenderPath(xamlPath, dataContext, streamToWriteTo, ImageFormat.Png);
}
/// <summary>
/// Renders the XAML contained within a file to PNG format and writes it to the Stream
/// </summary>
/// <param name="xamlPath">The path of the XAML file to render</param>
/// <param name="streamToWriteTo">The Stream to write the renderd image to</param>
public static void RenderPath(string xamlPath, Stream streamToWriteTo)
{
XamlImage.RenderPath(xamlPath, null, streamToWriteTo);
}