This Gist contains the code snippet for JPG image to PNG conversion and also, JPEG to PDF conversion using C# .NET

readme.md

This Gist contains the code snippet for JPEG image to PNG conversion and also, JPEG to PDF conversion using C# .NET. Further details related to code snippet can be found over following blog post

• Convert JPG to PNG or PDF in C#

Convert JPG to PNG and PDF in CSharp

This Gist contains the code snippet for JPG image to PNG conversion and also, JPEG to PDF conversion using C# .NET 

Examples-DotNET-CSharp-JPG-to-PDF-1.cs

// create an object to initiate the license
Aspose.Imaging.License license = new Aspose.Imaging.License();

// provide path of license file
license.SetLicense("/Documents/Conholdate.Total.NET.lic");

// Load an existing image (of type JPEG ) in an instance of the Image class
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dataDir+"samsung_galaxy.jpg"))
{
  // create an instance of PdfOptions class
  Aspose.Imaging.ImageOptions.PdfOptions pdfOptions = new Aspose.Imaging.ImageOptions.PdfOptions();
  
  // create PdfDocumentInfo object and pass it to PdfOptions instance
  pdfOptions.PdfDocumentInfo = new Aspose.Imaging.FileFormats.Pdf.PdfDocumentInfo
  {
    // set author name for the resultant file
    Author = "Nayyer Shahbaz",
    Title = "JPEG converted to PDF",
    Subject = "Aspose.Imaging for .NET"
  };
  
  // set the PDF compliance as PDF/A-1a
  pdfOptions.PdfCoreOptions = new Aspose.Imaging.FileFormats.Pdf.PdfCoreOptions()
  {
    PdfCompliance = Aspose.Imaging.PdfComplianceVersion.PdfA1b
  };
  
  // save the resultant PDF document
  image.Save(dataDir + "_output.pdf", pdfOptions);
}

Examples-DotNET-CSharp-JPG-to-PNG-1.cs

// create an object to initiate the license
Aspose.Imaging.License license = new Aspose.Imaging.License();

// provide path of license file
license.SetLicense("/Documents/Conholdate.Total.NET.lic");

// Load an existing image (of type JPEG) in an instance of the Image class
using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load("/Documents/samsung_galaxy.jpg"))
{
  // create an object of PngOptions class
  Aspose.Imaging.ImageOptions.PngOptions options = new Aspose.Imaging.ImageOptions.PngOptions();
  
  // save resultant image and pass PngOptions as argument
  image.Save(dataDir + "_output.png", options);
}

Examples-DotNET-CSharp-JPG-to-PNG-Grayscale-1.cs

// create PngOptions object
Aspose.Imaging.ImageOptions.PngOptions options = new Aspose.Imaging.ImageOptions.PngOptions();

// set color type of resultant image as grayScale
options.ColorType = Aspose.Imaging.FileFormats.Png.PngColorType.Grayscale;

// set the compression level for resultant file as 4
options.CompressionLevel = 4;