PDF 페이지를 .NET에서 JPEG 이미지로 변환하는 방법

PM> Install-Package Aspose.PDF

using Aspose.Pdf.Plugins;
using System.IO;

string inputPath = @"C:\Samples\sample.pdf";
string outputPath = @"C:\Samples\output.jpg";

var options = new JpegOptions();
options.AddInput(new FileDataSource(inputPath));
options.AddOutput(new FileDataSource(outputPath));
options.OutputResolution = 300; // DPI, e.g. 300 for print-quality
options.Quality = 90; // JPEG quality (1-100)
// options.PageList = new List<int> { 1, 2 }; // Uncomment to select specific pages

var converter = new Jpeg();
ResultContainer resultContainer = converter.Process(options);

foreach (FileResult operationResult in resultContainer.ResultCollection.Cast<FileResult>())
{
    Console.WriteLine(operationResult.Data.ToString());
}

try
{
    ResultContainer resultContainer = converter.Process(options);
    foreach (FileResult operationResult in resultContainer.ResultCollection.Cast<FileResult>())
    {
        Console.WriteLine($"Image generated: {operationResult.Data}");
    }
}
catch (Exception ex)
{
    Console.WriteLine($"Error during PDF to JPEG conversion: {ex.Message}");
}

using Aspose.Pdf.Plugins;
using System;
using System.Linq;

class Program
{
    static void Main()
    {
        string inputPath = @"C:\Samples\sample.pdf";
        string outputPath = @"C:\Samples\output.jpg";
        var options = new JpegOptions();
        options.AddInput(new FileDataSource(inputPath));
        options.AddOutput(new FileDataSource(outputPath));
        options.OutputResolution = 300;
        options.Quality = 90;
        // options.PageList = new List<int> { 1, 2 }; // Optional: convert only selected pages
        var converter = new Jpeg();
        try
        {
            ResultContainer resultContainer = converter.Process(options);
            foreach (FileResult operationResult in resultContainer.ResultCollection.Cast<FileResult>())
            {
                Console.WriteLine($"Image generated: {operationResult.Data}");
            }
        }
        catch (Exception ex)
        {
            Console.WriteLine($"Error during PDF to JPEG conversion: {ex.Message}");
        }
    }
}