ByteScout PDF Renderer SDK – C# – Make Thumbnail

ByteScout PDF Renderer SDK – C# – Make Thumbnail

Program.cs

using System.Drawing;
using System.Diagnostics;
using Bytescout.PDFRenderer;

namespace MakeThumbnail
{
static class Program
{
static void Main()
{
// Create an instance of Bytescout.PDFRenderer.RasterRenderer object and register it
RasterRenderer renderer = new RasterRenderer();
renderer.RegistrationName = “demo”;
renderer.RegistrationKey = “demo”;

// Load PDF document
renderer.LoadDocumentFromFile(“multipage.pdf”);

// Get size of the page in Points (standard PDF document units; 1 Point = 1/72″)
RectangleF rectangle = renderer.GetPageRectangle(0);

int width, height;

if (rectangle.Width < rectangle.Height) // portrait page orientation { width = -1; // width will be calculated from height keeping the aspect ratio height = 100; } else // landscape page orientation { width = 100; height = -1; // height will be calculated from width keeping the aspect ratio } // Render first page of the document to JPEG image file renderer.Save("thumbnail.jpg", RasterImageFormat.JPEG, 0, width, height); // Cleanup renderer.Dispose(); // Open result document in default associated application (for demo purpose) ProcessStartInfo processStartInfo = new ProcessStartInfo("thumbnail.jpg"); processStartInfo.UseShellExecute = true; Process.Start(processStartInfo); } } } [/csharp]

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