public static void GenerateRunTimePhysicalImageTesting()
{
const string physicalImagePath = @"C:\ImageWarehouse";
try
{
var dirNormal = new DirectoryInfo(physicalImagePath);
if (!dirNormal.Exists)
{
dirNormal.Create();
}
var htmlToImageConverter = new HtmlToImage
{
SerialNumber = ConfigurationManager.AppSettings["PDFSerialNumber"],
BrowserWidth = 570,
HtmlLoadedTimeout = 15,
TransparentImage = false
};
const string snapshotfilePath = physicalImagePath + "/" + "Test.jpg";
var imageObjectSnapshot =
htmlToImageConverter.ConvertUrlToImage("file:///C:/ExportFeed/craigslist/index.html")[0];
imageObjectSnapshot.Save(snapshotfilePath, System.Drawing.Imaging.ImageFormat.Jpeg);
}
catch (Exception)
{
}
}
public ActionResult ConvertToImage(FormCollection collection)
{
m_formCollection = collection;
// create the HTML to Image converter
HtmlToImage htmlToImageConverter = new HtmlToImage();
// set a demo serial number
htmlToImageConverter.SerialNumber = "YCgJMTAE-BiwJAhIB-EhlWTlBA-UEBRQFBA-U1FOUVJO-WVlZWQ==";
// set browser width
htmlToImageConverter.BrowserWidth = int.Parse(collection["textBoxBrowserWidth"]);
// set browser height if specified, otherwise use the default
if (collection["textBoxBrowserHeight"].Length > 0)
{
htmlToImageConverter.BrowserHeight = int.Parse(collection["textBoxBrowserHeight"]);
}
// set HTML Load timeout
htmlToImageConverter.HtmlLoadedTimeout = int.Parse(collection["textBoxLoadHtmlTimeout"]);
// set whether the resulted image is transparent (has effect only when the output format is PNG)
htmlToImageConverter.TransparentImage = (collection["dropDownListImageFormat"] == "PNG") ?
collection["checkBoxTransparentImage"] != null : false;
// set triggering mode; for WaitTime mode set the wait time before convert
switch (collection["dropDownListTriggeringMode"])
{
case "Auto":
htmlToImageConverter.TriggerMode = ConversionTriggerMode.Auto;
break;
case "WaitTime":
htmlToImageConverter.TriggerMode = ConversionTriggerMode.WaitTime;
htmlToImageConverter.WaitBeforeConvert = int.Parse(collection["textBoxWaitTime"]);
break;
case "Manual":
htmlToImageConverter.TriggerMode = ConversionTriggerMode.Manual;
break;
default:
htmlToImageConverter.TriggerMode = ConversionTriggerMode.Auto;
break;
}
// convert to image
System.Drawing.Image imageObject = null;
string imageFormatName = collection["dropDownListImageFormat"].ToLower();
string imageFileName = String.Format("HtmlToImage.{0}", imageFormatName);
if (collection["UrlOrHtmlCode"] == "radioButtonConvertUrl")
{
// convert URL
string url = collection["textBoxUrl"];
imageObject = htmlToImageConverter.ConvertUrlToImage(url)[0];
}
else
{
// convert HTML code
string htmlCode = collection["textBoxHtmlCode"];
string baseUrl = collection["textBoxBaseUrl"];
imageObject = htmlToImageConverter.ConvertHtmlToImage(htmlCode, baseUrl)[0];
}
// get the image buffer in the selected image format
byte[] imageBuffer = GetImageBuffer(imageObject);
// the image object rturned by converter can be disposed
imageObject.Dispose();
// inform the browser about the binary data format
string mimeType = imageFormatName == "jpg" ? "jpeg" : imageFormatName;
FileResult fileResult = new FileContentResult(imageBuffer, "image/" + mimeType);
fileResult.FileDownloadName = imageFileName;
return(fileResult);
}
protected void buttonConvertToImage_Click(object sender, EventArgs e)
{
// create the HTML to Image converter
HtmlToImage htmlToImageConverter = new HtmlToImage();
// set a demo serial number
htmlToImageConverter.SerialNumber = "YCgJMTAE-BiwJAhIB-EhlWTlBA-UEBRQFBA-U1FOUVJO-WVlZWQ==";
// set browser width
htmlToImageConverter.BrowserWidth = int.Parse(textBoxBrowserWidth.Text);
// set browser height if specified, otherwise use the default
if (textBoxBrowserHeight.Text.Length > 0)
{
htmlToImageConverter.BrowserHeight = int.Parse(textBoxBrowserHeight.Text);
}
// set HTML Load timeout
htmlToImageConverter.HtmlLoadedTimeout = int.Parse(textBoxLoadHtmlTimeout.Text);
// set whether the resulted image is transparent (has effect only when the output format is PNG)
htmlToImageConverter.TransparentImage = (dropDownListImageFormat.SelectedValue == "PNG") ?
checkBoxTransparentImage.Checked : false;
// set triggering mode; for WaitTime mode set the wait time before convert
switch (dropDownListTriggeringMode.SelectedValue)
{
case "Auto":
htmlToImageConverter.TriggerMode = ConversionTriggerMode.Auto;
break;
case "WaitTime":
htmlToImageConverter.TriggerMode = ConversionTriggerMode.WaitTime;
htmlToImageConverter.WaitBeforeConvert = int.Parse(textBoxWaitTime.Text);
break;
case "Manual":
htmlToImageConverter.TriggerMode = ConversionTriggerMode.Manual;
break;
default:
htmlToImageConverter.TriggerMode = ConversionTriggerMode.Auto;
break;
}
// convert to image
System.Drawing.Image imageObject = null;
string imageFormatName = dropDownListImageFormat.SelectedValue.ToLower();
string imageFileName = String.Format("HtmlToImage.{0}", imageFormatName);
if (radioButtonConvertUrl.Checked)
{
// convert URL
string url = textBoxUrl.Text;
imageObject = htmlToImageConverter.ConvertUrlToImage(url)[0];
}
else
{
// convert HTML code
string htmlCode = textBoxHtmlCode.Text;
string baseUrl = textBoxBaseUrl.Text;
imageObject = htmlToImageConverter.ConvertHtmlToImage(htmlCode, baseUrl)[0];
}
// get the image buffer in the selected image format
byte[] imageBuffer = GetImageBuffer(imageObject);
// the image object rturned by converter can be disposed
imageObject.Dispose();
// inform the browser about the binary data format
string mimeType = imageFormatName == "jpg" ? "jpeg" : imageFormatName;
HttpContext.Current.Response.AddHeader("Content-Type", "image/" + mimeType);
// let the browser know how to open the image and the image name
HttpContext.Current.Response.AddHeader("Content-Disposition",
String.Format("attachment; filename={0}; size={1}", imageFileName, imageBuffer.Length.ToString()));
// write the image buffer to HTTP response
HttpContext.Current.Response.BinaryWrite(imageBuffer);
// call End() method of HTTP response to stop ASP.NET page processing
HttpContext.Current.Response.End();
}
