protected override void Render(string[] sourcePathList, IDevice device)
{
FileStream[] streams = sourcePathList.Select <string, FileStream>(
path => new FileStream(path, FileMode.Open, FileAccess.Read))
.ToArray();
try
{
var conf = new Aspose.Html.Configuration();
//conf.
using (MhtmlRenderer renderer = new MhtmlRenderer())
{
renderer.Render(device, streams);
}
}
catch (Exception ex)
{
throw ex;
}
finally
{
foreach (var str in streams)
{
str.Dispose();
}
}
}
public static void CustomMessageHandler()
{
//ExStart: CustomMessageHandler
// Prepare an HTML code with missing image file
var code = @"<img src='missing.jpg'>";
System.IO.File.WriteAllText("document.html", code);
// Create an instance of Configuration
using (var configuration = new Aspose.Html.Configuration())
{
// Add ErrorMessageHandler to the chain of existing message handlers
var network = configuration.GetService <Aspose.Html.Services.INetworkService>();
network.MessageHandlers.Add(new LogMessageHandler());
// Initialize an HTML document with specified configuration
// During the document loading, the application will try to load the image and we will see the result of this operation in the console.
using (var document = new Aspose.Html.HTMLDocument("document.html", configuration))
{
// Convert HTML to PNG
Aspose.Html.Converters.Converter.ConvertHTML(document, new Aspose.Html.Saving.ImageSaveOptions(), "output.png");
}
}
//ExEnd: CustomMessageHandler
}
public static void SpecifyUserStyleSheet()
{
//ExStart: SpecifyUserStyleSheet
// Prepare an HTML code and save it to the file.
var code = @"<span>Hello World!!!</span>";
System.IO.File.WriteAllText("document.html", code);
// Create an instance of Configuration
using (var configuration = new Aspose.Html.Configuration())
{
// Get the IUserAgentService
var userAgent = configuration.GetService <Aspose.Html.Services.IUserAgentService>();
// Set the custom color to the SPAN element
userAgent.UserStyleSheet = "span { color: green; }";
// Initialize an HTML document with specified configuration
using (var document = new Aspose.Html.HTMLDocument("document.html", configuration))
{
// Convert HTML to PDF
Aspose.Html.Converters.Converter.ConvertHTML(document, new Aspose.Html.Saving.PdfSaveOptions(), "output.pdf");
}
}
//ExEnd: SpecifyUserStyleSheet
}
public static void DisableScriptsExecution()
{
//ExStart: DisableScriptsExecution
// Prepare an HTML code and save it to the file.
var code = "<span>Hello World!!</span> " +
"<script>document.write('Have a nice day!');</script>";
System.IO.File.WriteAllText("document.html", code);
// Create an instance of Configuration
using (var configuration = new Aspose.Html.Configuration())
{
// Mark 'scripts' as an untrusted resource
configuration.Security |= Aspose.Html.Sandbox.Scripts;
// Initialize an HTML document with specified configuration
using (var document = new Aspose.Html.HTMLDocument("document.html", configuration))
{
// Convert HTML to PDF
Aspose.Html.Converters.Converter.ConvertHTML(document, new Aspose.Html.Saving.PdfSaveOptions(), "output.pdf");
}
}
//ExEnd: DisableScriptsExecution
}
public static void JavaScriptExecutionTimeout()
{
//ExStart: JavaScriptExecutionTimeout
// Prepare an HTML code with endless loop
var code = @"<script>while(true){}</script>";
System.IO.File.WriteAllText("document.html", code);
// Create an instance of Configuration
using (var configuration = new Aspose.Html.Configuration())
{
// Limit JS execution time to 10 seconds
var runtime = configuration.GetService <Aspose.Html.Services.IRuntimeService>();
runtime.JavaScriptTimeout = TimeSpan.FromSeconds(10);
// Initialize an HTML document with specified configuration
using (var document = new Aspose.Html.HTMLDocument("document.html", configuration))
{
// Wait until all scripts are finished/canceled and convert HTML to PNG
Aspose.Html.Converters.Converter.ConvertHTML(document, new Aspose.Html.Saving.ImageSaveOptions(), "output.png");
}
}
//ExEnd: JavaScriptExecutionTimeout
}
