public void ZIPtoPDFTimeLoggingTest()
{
// Prepare path to a source zip file
string documentPath = Path.Combine(DataDir, "test.zip");
// Prepare path for converted file saving
string savePath = Path.Combine(OutputDir, "zip-to-pdf-duration.pdf");
// Create an instance of the Configuration class
using var configuration = new Configuration();
var service = configuration.GetService <INetworkService>();
var handlers = service.MessageHandlers;
// Custom Schema: ZIP. Add ZipFileSchemaMessageHandler to the end of the pipeline
handlers.Add(new ZipFileSchemaMessageHandler(new Archive(documentPath)));
// Duration Logging. Add the StartRequestDurationLoggingMessageHandler at the first place in the pipeline
handlers.Insert(0, new StartRequestDurationLoggingMessageHandler());
// Add the StopRequestDurationLoggingMessageHandler to the end of the pipeline
handlers.Add(new StopRequestDurationLoggingMessageHandler());
// Initialize an HTML document with specified configuration
using var document = new HTMLDocument("zip-file:///test.html", configuration);
// Create the PDF Device
using var device = new PdfDevice(savePath);
// Render ZIP to PDF
document.RenderTo(device);
Assert.True(File.Exists(savePath));
}
public void ConvertZIPtoPDFTest()
{
// Prepare path to a source zip file
string documentPath = Path.Combine(DataDir, "test.zip");
// Prepare path for converted file saving
string savePath = Path.Combine(OutputDir, "zip-to-pdf.pdf");
// Create an instance of ZipArchiveMessageHandler
using var zip = new ZipArchiveMessageHandler(documentPath);
// Create an instance of the Configuration class
using var configuration = new Configuration();
// Add ZipArchiveMessageHandler to the chain of existing message handlers
configuration
.GetService <INetworkService>()
.MessageHandlers.Add(zip);
// Initialize an HTML document with specified configuration
using var document = new HTMLDocument("zip:///test.html", configuration);
// Create the PDF Device
using var device = new PdfDevice(savePath);
// Render ZIP to PDF
document.RenderTo(device);
Assert.True(File.Exists(savePath));
}
public void ExternalCSSTest()
{
// Create an instance of HTML document with specified content
var htmlContent = "<link rel=\"stylesheet\" href=\"https://docs.aspose.com/html/net/editing-a-document/external.css\" type=\"text/css\" />\r\n" +
"<div class=\"rect1\" ></div>\r\n" +
"<div class=\"rect2\" ></div>\r\n" +
"<div class=\"frame\">\r\n" +
"<p style=\"font-size:2.5em; color:#ae4566;\"> External CSS </p>\r\n" +
"<p class=\"rect3\"> An external CSS can be created once and applied to multiple web pages</p></div>\r\n";
using (var document = new HTMLDocument(htmlContent, "."))
{
// Save the HTML document to a file
document.Save(Path.Combine(OutputDir, "external-css.html"));
// Create the instance of the PDF output device and render the document into this device
using (var device = new PdfDevice(Path.Combine(OutputDir, "external-css.pdf")))
{
// Render HTML to PDF
document.RenderTo(device);
}
Assert.True(document.QuerySelectorAll("link").Length > 0);
}
Assert.True(File.Exists(Path.Combine(OutputDir, "external-css.html")));
}
public void EditInlineCSSTest()
{
// Create an instance of an HTML document with specified content
var content = "<p>InlineCSS </p>";
using (var document = new HTMLDocument(content, "."))
{
// Find the paragraph element to set a style
var paragraph = (HTMLElement)document.GetElementsByTagName("p").First();
// Set the style attribute
paragraph.SetAttribute("style", "font-size:250%; font-family:verdana; color:#cd66aa");
// Save the HTML document to a file
document.Save(Path.Combine(OutputDir, "edit-inline-css.html"));
// Create an instance of PDF output device and render the document into this device
using (var device = new PdfDevice(Path.Combine(OutputDir, "edit-inline-css.pdf")))
{
// Render HTML to PDF
document.RenderTo(device);
}
Assert.True(File.Exists(Path.Combine(OutputDir, "edit-inline-css.pdf")));
}
}
public void EditInternalCSSTest()
{
// Create an instance of an HTML document with specified content
var content = "<div><p>Internal CSS</p><p>An internal CSS is used to define a style for a single HTML page</p></div>";
using (var document = new HTMLDocument(content, "."))
{
var style = document.CreateElement("style");
style.TextContent = ".frame1 { margin-top:50px; margin-left:50px; padding:20px; width:360px; height:90px; background-color:#a52a2a; font-family:verdana; color:#FFF5EE;} \r\n" +
".frame2 { margin-top:-90px; margin-left:160px; text-align:center; padding:20px; width:360px; height:100px; background-color:#ADD8E6;}";
// Find the document header element and append the style element to the header
var head = document.GetElementsByTagName("head").First();
head.AppendChild(style);
// Find the first paragraph element to inspect the styles
var paragraph = (HTMLElement)document.GetElementsByTagName("p").First();
paragraph.ClassName = "frame1";
// Find the last paragraph element to inspect the styles
var lastParagraph = (HTMLElement)document.GetElementsByTagName("p").Last();
lastParagraph.ClassName = "frame2";
// Set a color to the first paragraph
paragraph.Style.FontSize = "250%";
paragraph.Style.TextAlign = "center";
// Set a font-size to the last paragraph
lastParagraph.Style.Color = "#434343";
lastParagraph.Style.FontSize = "150%";
lastParagraph.Style.FontFamily = "verdana";
// Save the HTML document to a file
document.Save(Path.Combine(OutputDir, "edit-internal-css.html"));
// Create the instance of the PDF output device and render the document into this device
using (var device = new PdfDevice(Path.Combine(OutputDir, "edit-internal-css.pdf")))
{
// Render HTML to PDF
document.RenderTo(device);
}
Assert.True(document.QuerySelectorAll("style").Length > 0);
Assert.True(File.Exists(Path.Combine(OutputDir, "edit-internal-css.pdf")));
Assert.True(File.Exists(Path.Combine(OutputDir, "edit-internal-css.html")));
}
}
public static void AddTitleAndPageNumber()
{
//ExStart: AddTitleAndPageNumber
// Initialize configuration object and set up the page-margins for the document
using (Configuration configuration = new Configuration())
{
// Get the User Agent service
var userAgent = configuration.GetService <Aspose.Html.Services.IUserAgentService>();
// Set the style of custom margins and create marks on it
userAgent.UserStyleSheet = @"@page
{
/* Page margins should be not empty in order to write content inside the margin-boxes */
margin-top: 1cm;
margin-left: 2cm;
margin-right: 2cm;
margin-bottom: 2cm;
/* Page counter located at the bottom of the page */
@bottom-right
{
-aspose-content: ""Page "" currentPageNumber() "" of "" totalPagesNumber();
color: green;
}
/* Page title located at the top-center box */
@top-center
{
-aspose-content: ""Hello World Document Title!!!"";
vertical-align: bottom;
color: blue;
}
}";
// Initialize an HTML document
using (HTMLDocument document = new HTMLDocument("<div>Hello World!!!</div>", ".", configuration))
{
// Initialize an output device
using (Aspose.Html.Rendering.Xps.XpsDevice device = new Aspose.Html.Rendering.Xps.XpsDevice("output.xps"))
{
// Send the document to the output device
document.RenderTo(device);
}
}
}
//ExEnd: AddTitleAndPageNumber
}
public static void Run()
{
// ExStart:1
string dataDir = RunExamples.GetDataDir_Data();
// Initialize configuration object and set up the page-margins for the document
Configuration configuration = new Configuration();
configuration.GetService <IUserAgentService>().UserStyleSheet = @"
@page
{
/* Page margins should be not empty in order to write content inside the margin-boxes */
margin-top: 1cm;
margin-left: 2cm;
margin-right: 2cm;
margin-bottom: 2cm;
/* Page counter located at the bottom of the page */
@bottom-right
{
-aspose-content: ""Page "" currentPageNumber() "" of "" totalPagesNumber();
color: green;
}
/* Page title located at the top-center box */
@top-center
{
-aspose-content: ""Document's title"";
vertical-align: bottom;
}
}";
// Initialize an empty document
using (HTMLDocument document = new HTMLDocument(configuration))
{
// Initialize an output device
using (XpsDevice device = new XpsDevice(dataDir + "output_out.xps"))
{
// Send the document to the output device
document.RenderTo(device);
}
}
// ExEnd:1
}
public void UsingDOMTest()
{
// Create an instance of an HTML document
using (var document = new HTMLDocument())
{
// Create a style element and assign the green color for all elements with class-name equals 'gr'.
var style = document.CreateElement("style");
style.TextContent = ".gr { color: green }";
// Find the document header element and append style element to the header
var head = document.GetElementsByTagName("head").First();
head.AppendChild(style);
// Create a paragraph element with class-name 'gr'.
var p = (HTMLParagraphElement)document.CreateElement("p");
p.ClassName = "gr";
// Create a text node
var text = document.CreateTextNode("Hello World!!");
// Append the text node to the paragraph
p.AppendChild(text);
// Append the paragraph to the document body element
document.Body.AppendChild(p);
// Save the HTML document to a file
document.Save(Path.Combine(OutputDir, "using-dom.html"));
// Create an instance of the PDF output device and render the document into this device
using (var device = new PdfDevice(Path.Combine(OutputDir, "using-dom.pdf")))
{
// Render HTML to PDF
document.RenderTo(device);
}
Assert.True(File.Exists(Path.Combine(OutputDir, "using-dom.pdf")));
}
}
public void ConvertHTMLtoPDFTest()
{
// Prepare path to a source HTML file
string documentPath = Path.Combine(DataDir, "spring.html");
// Prepare path for converted file saving
string savePath = Path.Combine(OutputDir, "spring-output.pdf");
// Initialize an HTML document from the file
using var document = new HTMLDocument(documentPath);
// Create an instance of the PdfRenderingOptions class
var pdfOptions = new PdfRenderingOptions();
// Create the PDF Device and specify the output file to render
using var device = new PdfDevice(pdfOptions, savePath);
// Render HTML to PDF
document.RenderTo(device);
Assert.True(File.Exists(Path.Combine(OutputDir, "spring-output.pdf")));
}
public void ConvertZIPtoJPGTest()
{
// Prepare path to a source zip file
string documentPath = Path.Combine(DataDir, "test.zip");
// Prepare path for converted file saving
string savePath = Path.Combine(OutputDir, "zip-to-jpg.jpg");
// Create an instance of ZipArchiveMessageHandler
using var zip = new ZipArchiveMessageHandler(documentPath);
// Create an instance of the Configuration class
using var configuration = new Configuration();
// Add ZipArchiveMessageHandler to the chain of existing message handlers
configuration
.GetService <INetworkService>()
.MessageHandlers.Add(zip);
// Initialize an HTML document with specified configuration
using var document = new HTMLDocument("zip:///test.html", configuration);
// Create an instance of Rendering Options
var options = new ImageRenderingOptions()
{
Format = ImageFormat.Jpeg
};
// Create an instance of Image Device
using var device = new ImageDevice(options, savePath);
// Render ZIP to JPG
document.RenderTo(device);
Assert.True(File.Exists(Path.Combine(OutputDir, "zip-to-jpg_1.jpg")));
}