using System;

using System.Drawing;

using System.Drawing.Imaging;

using System.IO;

using System.Reflection;

 

using Aspose.Words;

using Aspose.Words.Drawing;

 

namespace ImageToPdf

{

    class Program

    {

        public static void Main(string[] args)

        {

            // Sample infrastructure.

            string exeDir = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location) + Path.DirectorySeparatorChar;

            string dataDir = new Uri(new Uri(exeDir), @"../../Data/").LocalPath;

 

            ConvertImageToPdf(dataDir + "Test.jpg", dataDir + "TestJpg Out.pdf");

            ConvertImageToPdf(dataDir + "Test.png", dataDir + "TestPng Out.pdf");

            ConvertImageToPdf(dataDir + "Test.wmf", dataDir + "TestWmf Out.pdf");

            ConvertImageToPdf(dataDir + "Test.tiff", dataDir + "TestTiff Out.pdf");

            ConvertImageToPdf(dataDir + "Test.gif", dataDir + "TestGif Out.pdf");

        }

 

        /// <summary>

        /// Converts an image to PDF using Aspose.Words for .NET.

        /// </summary>

        /// <param name="inputFileName">File name of input image file.</param>

        /// <param name="outputFileName">Output PDF file name.</param>

        public static void ConvertImageToPdf(string inputFileName, string outputFileName)

        {

            // Create Aspose.Words.Document and DocumentBuilder.

            // The builder makes it simple to add content to the document.

            Document doc = new Document();

            DocumentBuilder builder = new DocumentBuilder(doc);

 

            // Read the image from file, ensure it is disposed.

            using (Image image = Image.FromFile(inputFileName))

            {

                // Find which dimension the frames in this image represent. For example 

                // the frames of a BMP or TIFF are "page dimension" whereas frames of a GIF image are "time dimension". 

                FrameDimension dimension = new FrameDimension(image.FrameDimensionsList[0]); 

 

                 // Get the number of frames in the image.

                int framesCount = image.GetFrameCount(dimension);

 

                // Get the number of frames in the image.

                int framesCount = image.GetFrameCount(FrameDimension.Page);

 

                // Loop through all frames.

                for (int frameIdx = 0; frameIdx < framesCount; frameIdx++)

                {

                    // Insert a section break before each new page, in case of a multi-frame TIFF.

                    if (frameIdx != 0)

                        builder.InsertBreak(BreakType.SectionBreakNewPage);

 

                    // Select active frame.

                    image.SelectActiveFrame(dimension, frameIdx);

 

                    // We want the size of the page to be the same as the size of the image.

                    // Convert pixels to points to size the page to the actual image size.

                    PageSetup ps = builder.PageSetup;

                    ps.PageWidth = ConvertUtil.PixelToPoint(image.Width, image.HorizontalResolution);

                    ps.PageHeight = ConvertUtil.PixelToPoint(image.Height, image.VerticalResolution);

 

                    // Insert the image into the document and position it at the top left corner of the page.

                    builder.InsertImage(

                        image,

                        RelativeHorizontalPosition.Page,

                        0,

                        RelativeVerticalPosition.Page,

                        0,

                        ps.PageWidth,

                        ps.PageHeight,

                        WrapType.None);

                }

            }

 

            // Save the document to PDF.

            doc.Save(outputFileName);

        }

    }

}