我正在尝试从 Windows Azure 上的 html 页面生成屏幕截图。这是我在个人 IIS 上使用的代码,我知道它适用于每台测试机器。
using System.Drawing;
using System.Drawing.Imaging;
using System.Linq;
using System.Text;
using System.Threading;
using System.Windows.Forms;
class Program
{
static void Main(string[] args)
{
new WebsiteToImage("http://www.google.com", "C:\\screenshot.jpg");
}
// Define other methods and classes here
public class WebsiteToImage
{
internal string _url;
internal string _fileName;
public WebsiteToImage(string url, string fileName)
{
_url = url;
_fileName = fileName;
// Thread
var thread = new Thread(Generate);
thread.SetApartmentState(ApartmentState.STA);
thread.Start();
thread.Join();
}
private void Generate()
{
using (var browser = new WebBrowser { ScrollBarsEnabled = false })
{
browser.Navigate(_url);
browser.DocumentCompleted += WebBrowser_DocumentCompleted;
while (browser.ReadyState != WebBrowserReadyState.Complete)
{
Application.DoEvents();
}
browser.Dispose();
}
}
private void WebBrowser_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e)
{
// Capture
using (var bmp = new Bitmap(1280, 800))
{
var browser = (WebBrowser)sender;
browser.ClientSize = new Size(1280, 800);
browser.ScrollBarsEnabled = false;
browser.BringToFront();
browser.DrawToBitmap(bmp, browser.Bounds);
var encoderParameters = new EncoderParameters(1);
encoderParameters.Param[0] = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, 100L);
bmp.Save(_fileName, ImageCodecInfo.GetImageDecoders().FirstOrDefault(c => c.FormatID.Equals(ImageFormat.Jpeg.Guid)), encoderParameters);
}
}
}
}
现在,在 Azure 上,我知道我不能使用 GDI+,而且我很确定我也不能使用 WebBrowser。任何想法或替代解决方案?甚至是第三方组件。