PDF 페이지를 .NET에서 PNG 이미지로 변환하는 방법

PM> Install-Package Aspose.PDF

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

// Create PNG conversion options
var options = new PngOptions();
options.AddInput(new FileDataSource(@"C:\Samples\sample.pdf"));
options.AddOutput(new FileDataSource(@"C:\Samples\output.png"));

// Create plugin instance and run conversion
using (var plugin = new Png())
{
    plugin.Process(options);
}

var options = new PngOptions {
    OutputResolution = 300, // DPI for higher quality
    PageList = new List<int> { 1, 3 } // Convert only page 1 and 3
};
options.AddInput(new FileDataSource("input.pdf"));
options.AddOutput(new FileDataSource("output_page1.png"));
// Repeat AddOutput for each page as needed
using (var plugin = new Png())
{
    plugin.Process(options);
}

string[] files = Directory.GetFiles(@"C:\PDFs", "*.pdf");
foreach (var file in files)
{
    var options = new PngOptions {
        OutputResolution = 150
    };
    options.AddInput(new FileDataSource(file));
    options.AddOutput(new FileDataSource($@"C:\PDFs\images\{Path.GetFileNameWithoutExtension(file)}.png"));
    using (var plugin = new Png())
    {
        plugin.Process(options);
    }
}

var options = new PngOptions {
    OutputResolution = 200,
    PageList = new List<int> { 1, 5 } // Convert cover and summary pages
};
options.AddInput(new FileDataSource("input.pdf"));
options.AddOutput(new FileDataSource("cover.png"));
options.AddOutput(new FileDataSource("summary.png"));
using (var plugin = new Png())
{
    plugin.Process(options);
}

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

class Program
{
    static void Main()
    {
        var options = new PngOptions {
            OutputResolution = 150,
            PageList = new List<int> { 1, 2, 3 }
        };
        options.AddInput(new FileDataSource(@"C:\PDFs\input.pdf"));
        options.AddOutput(new FileDataSource(@"C:\PDFs\out1.png"));
        options.AddOutput(new FileDataSource(@"C:\PDFs\out2.png"));
        options.AddOutput(new FileDataSource(@"C:\PDFs\out3.png"));
        using (var plugin = new Png())
        {
            plugin.Process(options);
        }
    }
}