protected void ConvertToImage(MailMessage message)
{
var datePrefix = DateTime.UtcNow.ToString("yyyyMMddHHmmss");
var typePrefix = GetType().Name.ToLower().Replace(".", "");
System.Drawing.Image image = null;
var byteStream = RIFF.Interfaces.Formats.HTML.RFHTMLRenderer.Render(message.Body, out image);
if (byteStream != null && byteStream.Length > 0)
{
if (image.Height > 1000) // auto-split long images into parts
{
var images = new List <Image>();
var bitmap = new Bitmap(image);
for (int i = 0; i < image.Height; i += 1000)
{
var imagePart = bitmap.Clone(new Rectangle {
X = 0, Y = i, Width = image.Width, Height = Math.Min(1000, image.Height - i)
}, System.Drawing.Imaging.PixelFormat.DontCare);
if (imagePart != null)
{
var tag = String.Format("Image{0}{1}{2}", datePrefix, typePrefix, i);
imagePart.Tag = tag;
images.Add(imagePart);
}
}
RenderImageList(images, message, null, null);
}
else
{
var imageAttachment = new Attachment(new MemoryStream(byteStream), "Image.png", "image/png");
imageAttachment.ContentId = "Image";
message.Attachments.Add(imageAttachment);
message.Body = RFRazor.RunTemplate(typeof(ImageEmail), image);
}
}
else
{
throw new RFSystemException(this, "Unable to reder email to image.");
}
}
protected void RenderImageList(List <Image> images, MailMessage message, string headerHTML = null, string footerHTML = null)
{
foreach (var image in images)
{
using (var memoryStream = new MemoryStream())
{
image.Save(memoryStream, System.Drawing.Imaging.ImageFormat.Png);
var bytes = memoryStream.ToArray();
var tag = image.Tag.ToString();
var imageAttachment = new Attachment(new MemoryStream(bytes), tag + ".png", "image/png");
imageAttachment.ContentId = image.Tag.ToString();
message.Attachments.Add(imageAttachment);
}
}
message.Body = RFRazor.RunTemplate(typeof(ImageListEmail), new RFImageListEmailModel
{
Images = images.ToArray(),
HeaderHTML = headerHTML,
FooterHTML = footerHTML
});
}
protected virtual string GenerateBody()
{
return(RFRazor.RunTemplate(typeof(T), this));
}
