GroupDocsGists

// Extract Metadata of WAV files in C#
using (Metadata metadata = new Metadata("audio.wav"))
{
    var root = metadata.GetRootPackage<WavRootPackage>();
    Console.WriteLine("Bits per Sample: "   + root.WavPackage.BitsPerSample); // Bits per Sample
    Console.WriteLine("Block Align: "       + root.WavPackage.BlockAlign); // Bock Align
    Console.WriteLine("Byte Rate: "         + root.WavPackage.ByteRate); // Byte Rate
    Console.WriteLine("Number of Channels: " + root.WavPackage.NumberOfChannels); // Number of Channels
    Console.WriteLine("Audio Format: "      + root.WavPackage.AudioFormat); // Audio Format 
    Console.WriteLine("Sample Rate: "       + root.WavPackage.SampleRate); // Sample Rate

GroupDocsGists

// Render APNG To HTML with Play and Pause Option
using (Viewer viewer = new Viewer("animation.apng"))
{
    HtmlViewOptions options = HtmlViewOptions.ForEmbeddedResources("Web-Page-with-APNG.html");
    viewer.View(options);
}

GroupDocsGists

// Parse eBooks to Extract Images from EPUB, FB2, CHM file and save to disk in C#
using (Parser parser = new Parser("ebook.epub"))
{
    // Extract images from the eBook
    IEnumerable<PageImageArea> images = parser.GetImages();
    ImageOptions options = new ImageOptions(ImageFormat.Jpeg);
    int imageNumber = 0;
    // Iterate over extracted images
    foreach (PageImageArea image in images)
    {

GroupDocsGists

// Change Appearance of QR code in Java
// Setting background color, forecolor, transparency, etc.
Background background = new Background();
background.setColor(Color.BLACK);
background.setTransparency(0.5);

options.setBackground(background);
options.setForeColor(Color.WHITE);

GroupDocsGists

// Convert consecutive slides of presentation to PDF in Java
Converter converter = new Converter("presentation.pptx");
PdfConvertOptions options = new PdfConvertOptions();
options.setPageNumber(2);
options.setPagesCount(3);
converter.convert("PptConsecutiveSlidesToPDF.pdf", options);

GroupDocsGists

// Generate PDF Report from JSON data using TXT template in Java with GroupDocs.Assembly API
// Define datasource, template, and output report files.
String jsonFilePath = "dataPath/ManagerData.json";
String templateFilePath = "templatePath/template.txt";
String reportFilePath = "reportsPath/reportFromJSON.pdf";				
// Instantiate JSON data source
JsonDataSource datasource= new JsonDataSource(jsonFilePath);			  
DataSourceInfo dataSourceInfo = new DataSourceInfo(datasource,"managers");
// Generate Report
DocumentAssembler assembler = new DocumentAssembler();

GroupDocsGists

// Create Template to Parse Data from Invoice using Java
// First create Template Items
TemplateItem[] templateItems = new TemplateItem[]
{
    new TemplateField(new TemplateFixedPosition(new Rectangle(new Point(35, 135), new Size(100, 10))), "FromCompany"),
    new TemplateField(new TemplateFixedPosition(new Rectangle(new Point(35, 150), new Size(100, 35))), "FromAddress"),
    new TemplateField(new TemplateFixedPosition(new Rectangle(new Point(35, 190), new Size(150, 2))), "FromEmail"),
    new TemplateField(new TemplateFixedPosition(new Rectangle(new Point(35, 250), new Size(100, 2))), "ToCompany"),
    new TemplateField(new TemplateFixedPosition(new Rectangle(new Point(35, 260), new Size(100, 15))), "ToAddress"),
    new TemplateField(new TemplateFixedPosition(new Rectangle(new Point(35, 290), new Size(150, 2))), "ToEmail"),

GroupDocsGists

// Convert WebP to JPG in Java using GroupDocs.Conversion API
Converter converter = new Converter("filePath/WebPImage.webp");
ImageConvertOptions options = new ImageConvertOptions();
options.setFormat(ImageFileType.Jpg);
converter.convert("path/WebPToJPG.jpg", options);

GroupDocsGists

// Compare JPG, PNG, GIF, BMP image formats using .NET Image Comparison API in C#
using (Comparer comparer = new Comparer("filepath/soureImage.jpg"))
{
    CompareOptions options = new CompareOptions();
    options.GenerateSummaryPage = false; // To get the difference summary, set it 'true'

    comparer.Add("filepath/targetImage.jpg");
    comparer.Compare("filepath/comparisonResultImage.jpg", options);
}

GroupDocsGists

// Remove the metadata properties from documents and images that satisfies the customized filter using C#
using (Metadata metadata = new Metadata("filePath/document.docx"))
{
	// Remove all the properties that:
	// contains the name of the document author OR
	// it refers to the last editor OR 
	// the property value is a string AND equal to the given string "GroupDocs"
	var affected = metadata.RemoveProperties(
		p => p.Tags.Contains(Tags.Person.Creator) ||
			 p.Tags.Contains(Tags.Person.Editor) ||