PDFの編集のためのiTextSharpとIronPDFの比較

using System.IO;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;

class Program
{
    static void Main(string[] args)
    {
        var pdfGenerator = new PdfGenerator();
        byte[] pdfBytes = pdfGenerator.GeneratePdfWithIText7();
        // Save the PDF to a file
        File.WriteAllBytes("output.pdf", pdfBytes);
    }
}

class PdfGenerator
{
    public byte[] GeneratePdfWithIText7()
    {
        using (var ms = new MemoryStream())
        {
            var writer = new PdfWriter(ms);
            var pdf = new iText.Kernel.Pdf.PdfDocument(writer);
            var doc = new Document(pdf);

            doc.Add(new Paragraph("Hello from iText 7 for .NET!"));

            doc.Close(); // Always close the document to finalize content  
            return ms.ToArray();
        }
    }
}

Imports System.IO
Imports iText.Kernel.Pdf
Imports iText.Layout
Imports iText.Layout.Element

Friend Class Program
	Shared Sub Main(ByVal args() As String)
		Dim pdfGenerator As New PdfGenerator()
		Dim pdfBytes() As Byte = pdfGenerator.GeneratePdfWithIText7()
		' Save the PDF to a file
		File.WriteAllBytes("output.pdf", pdfBytes)
	End Sub
End Class

Friend Class PdfGenerator
	Public Function GeneratePdfWithIText7() As Byte()
		Using ms = New MemoryStream()
			Dim writer = New PdfWriter(ms)
			Dim pdf = New iText.Kernel.Pdf.PdfDocument(writer)
			Dim doc = New Document(pdf)

			doc.Add(New Paragraph("Hello from iText 7 for .NET!"))

			doc.Close() ' Always close the document to finalize content
			Return ms.ToArray()
		End Using
	End Function
End Class

using IronPdf;
using System.IO;

class Program
{
    static void Main(string[] args)
    {
        var pdfGenerator = new PdfGenerator();
        byte[] pdfBytes = pdfGenerator.GeneratePdfWithIronPdf();
        // Save the PDF to a file
        File.WriteAllBytes("output.pdf", pdfBytes);
    }
}

class PdfGenerator
{
    public byte[] GeneratePdfWithIronPdf()
    {
        var renderer = new ChromePdfRenderer();
        var pdfDoc = renderer.RenderHtmlAsPdf("<h1>Hello from IronPDF!</h1>");
        return pdfDoc.BinaryData;
    }
}

Imports IronPdf
Imports System.IO

Friend Class Program
	Shared Sub Main(ByVal args() As String)
		Dim pdfGenerator As New PdfGenerator()
		Dim pdfBytes() As Byte = pdfGenerator.GeneratePdfWithIronPdf()
		' Save the PDF to a file
		File.WriteAllBytes("output.pdf", pdfBytes)
	End Sub
End Class

Friend Class PdfGenerator
	Public Function GeneratePdfWithIronPdf() As Byte()
		Dim renderer = New ChromePdfRenderer()
		Dim pdfDoc = renderer.RenderHtmlAsPdf("<h1>Hello from IronPDF!</h1>")
		Return pdfDoc.BinaryData
	End Function
End Class

using IronPdf;
using System.IO;

class Program
{
    static void Main(string[] args)
    {
        var pdfGenerator = new PdfGenerator();
        byte[] pdfBytes = pdfGenerator.GeneratePdfFromUrlWithIronPdf();

        // Save the PDF to a file
        File.WriteAllBytes("ironpdf-from-url.pdf", pdfBytes);
    }
}

class PdfGenerator
{
    public byte[] GeneratePdfFromUrlWithIronPdf()
    {
        var renderer = new ChromePdfRenderer();
        renderer.RenderingOptions.EnableJavaScript = true;
        renderer.RenderingOptions.WaitForJavaScript(5000);
        renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Print;

        var pdf = renderer.RenderUrlAsPdf("https://www.apple.com");
        return pdf.BinaryData;
    }
}

Imports IronPdf
Imports System.IO

Friend Class Program
	Shared Sub Main(ByVal args() As String)
		Dim pdfGenerator As New PdfGenerator()
		Dim pdfBytes() As Byte = pdfGenerator.GeneratePdfFromUrlWithIronPdf()

		' Save the PDF to a file
		File.WriteAllBytes("ironpdf-from-url.pdf", pdfBytes)
	End Sub
End Class

Friend Class PdfGenerator
	Public Function GeneratePdfFromUrlWithIronPdf() As Byte()
		Dim renderer = New ChromePdfRenderer()
		renderer.RenderingOptions.EnableJavaScript = True
		renderer.RenderingOptions.WaitForJavaScript(5000)
		renderer.RenderingOptions.CssMediaType = IronPdf.Rendering.PdfCssMediaType.Print

		Dim pdf = renderer.RenderUrlAsPdf("https://www.apple.com")
		Return pdf.BinaryData
	End Function
End Class

using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using System.Net.Http;
using System.Threading.Tasks;
using iText.Html2pdf;
using System.IO;

class Program
{
    static async Task Main(string[] args)
    {
        var pdfGenerator = new PdfGenerator();
        byte[] pdfBytes = await pdfGenerator.GeneratePdfFromUrlWithIText7Async();

        // Save the PDF to a file
        File.WriteAllBytes("itext7-from-url.pdf", pdfBytes);
    }
}

class PdfGenerator
{
    public async Task<byte[]> GeneratePdfFromUrlWithIText7Async()
    {
        using var httpClient = new HttpClient();
        string html = await httpClient.GetStringAsync("https://www.apple.com");

        using var stream = new MemoryStream();
        HtmlConverter.ConvertToPdf(html, stream);
        return stream.ToArray();
    }
}

Imports iText.Kernel.Pdf
Imports iText.Layout
Imports iText.Layout.Element
Imports System.Net.Http
Imports System.Threading.Tasks
Imports iText.Html2pdf
Imports System.IO

Friend Class Program
	Shared Async Function Main(ByVal args() As String) As Task
		Dim pdfGenerator As New PdfGenerator()
		Dim pdfBytes() As Byte = Await pdfGenerator.GeneratePdfFromUrlWithIText7Async()

		' Save the PDF to a file
		File.WriteAllBytes("itext7-from-url.pdf", pdfBytes)
	End Function
End Class

Friend Class PdfGenerator
	Public Async Function GeneratePdfFromUrlWithIText7Async() As Task(Of Byte())
		Dim httpClient As New HttpClient()
		Dim html As String = Await httpClient.GetStringAsync("https://www.apple.com")

		Dim stream = New MemoryStream()
		HtmlConverter.ConvertToPdf(html, stream)
		Return stream.ToArray()
	End Function
End Class

using IronPdf;
using System.IO;

class Program
{
    static void Main(string[] args)
    {
        var pdfGenerator = new PdfGenerator();
        byte[] pdfBytes = pdfGenerator.CreatePdfWithImage();

        // Save the PDF to a file
        File.WriteAllBytes("ironpdf-with-image.pdf", pdfBytes);
    }
}

class PdfGenerator
{
    public byte[] CreatePdfWithImage()
    {
        var pdf = ImageToPdfConverter.ImageToPdf("example.png");
        return pdf.BinaryData;
    }
}

Imports IronPdf
Imports System.IO

Friend Class Program
	Shared Sub Main(ByVal args() As String)
		Dim pdfGenerator As New PdfGenerator()
		Dim pdfBytes() As Byte = pdfGenerator.CreatePdfWithImage()

		' Save the PDF to a file
		File.WriteAllBytes("ironpdf-with-image.pdf", pdfBytes)
	End Sub
End Class

Friend Class PdfGenerator
	Public Function CreatePdfWithImage() As Byte()
		Dim pdf = ImageToPdfConverter.ImageToPdf("example.png")
		Return pdf.BinaryData
	End Function
End Class

using iText.Kernel.Pdf;
using iText.Layout;
using iText.IO.Image;
using iText.Layout.Element;
using System.IO;

class Program
{
    static void Main(string[] args)
    {
        var pdfGenerator = new PdfGenerator();
        byte[] pdfBytes = pdfGenerator.CreatePdfWithImage();

        // Save the PDF to a file
        File.WriteAllBytes("iText-with-image.pdf", pdfBytes);
    }
}

class PdfGenerator
{
    public byte[] CreatePdfWithImage()
    {
        using var ms = new MemoryStream();
        using var writer = new PdfWriter(ms);
        using var pdfDoc = new iText.Kernel.Pdf.PdfDocument(writer);
        var document = new Document(pdfDoc);

        var img = new Image(ImageDataFactory.Create("https://itextpdf.com/sites/default/files/2018-11/iText%207%20Product%20software%20-%20webimages_509x339px_V2_iText%207%20Core.png"));
        document.Add(img);
        document.Close();

        return ms.ToArray();
    }
}

Imports iText.Kernel.Pdf
Imports iText.Layout
Imports iText.IO.Image
Imports iText.Layout.Element
Imports System.IO

Friend Class Program
	Shared Sub Main(ByVal args() As String)
		Dim pdfGenerator As New PdfGenerator()
		Dim pdfBytes() As Byte = pdfGenerator.CreatePdfWithImage()

		' Save the PDF to a file
		File.WriteAllBytes("iText-with-image.pdf", pdfBytes)
	End Sub
End Class

Friend Class PdfGenerator
	Public Function CreatePdfWithImage() As Byte()
		Dim ms = New MemoryStream()
		Dim writer = New PdfWriter(ms)
		Dim pdfDoc = New iText.Kernel.Pdf.PdfDocument(writer)
		Dim document As New Document(pdfDoc)

		Dim img = New Image(ImageDataFactory.Create("https://itextpdf.com/sites/default/files/2018-11/iText%207%20Product%20software%20-%20webimages_509x339px_V2_iText%207%20Core.png"))
		document.Add(img)
		document.Close()

		Return ms.ToArray()
	End Function
End Class

using IronPdf;
using System.IO;

class Program
{
    static void Main(string[] args)
    {
        var pdfGenerator = new PdfGenerator();
        byte[] pdfBytes = pdfGenerator.CreateStyledPdf();

        // Save the PDF to a file
        File.WriteAllBytes("ironpdf-styled-html.pdf", pdfBytes);
    }
}

class PdfGenerator
{
    public byte[] CreateStyledPdf()
    {
        string html = @"
        <html>
            <head>
                <style>
                    body { 
                        background-color: #f0f0f0; 
                        margin: 20px; 
                        padding: 20px; 
                        border-radius: 5px; 
                        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
                    }
                    h1 { 
                        color: navy;
                        font-size: 32px;   
                        text-align: center;
                       }
                    p { 
                        font-size: 16px; 
                        font-weight: bold;
                      }
                </style>
            </head>
            <body>
                <h1>Welcome to IronPDF</h1>
                <p>This is a simple PDF document generated using IronPDF.</p>
            </body>
        </html>";

        var pdf = new ChromePdfRenderer().RenderHtmlAsPdf(html);
        return pdf.BinaryData;
    }
}

Imports IronPdf
Imports System.IO

Friend Class Program
	Shared Sub Main(ByVal args() As String)
		Dim pdfGenerator As New PdfGenerator()
		Dim pdfBytes() As Byte = pdfGenerator.CreateStyledPdf()

		' Save the PDF to a file
		File.WriteAllBytes("ironpdf-styled-html.pdf", pdfBytes)
	End Sub
End Class

Friend Class PdfGenerator
	Public Function CreateStyledPdf() As Byte()
		Dim html As String = "
        <html>
            <head>
                <style>
                    body { 
                        background-color: #f0f0f0; 
                        margin: 20px; 
                        padding: 20px; 
                        border-radius: 5px; 
                        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
                    }
                    h1 { 
                        color: navy;
                        font-size: 32px;   
                        text-align: center;
                       }
                    p { 
                        font-size: 16px; 
                        font-weight: bold;
                      }
                </style>
            </head>
            <body>
                <h1>Welcome to IronPDF</h1>
                <p>This is a simple PDF document generated using IronPDF.</p>
            </body>
        </html>"

		Dim pdf = (New ChromePdfRenderer()).RenderHtmlAsPdf(html)
		Return pdf.BinaryData
	End Function
End Class

using iText.Kernel.Pdf;
using iText.Html2pdf;
using System.IO;

class Program
{
    static void Main(string[] args)
    {
        var pdfGenerator = new PdfGenerator();
        byte[] pdfBytes = pdfGenerator.CreateStyledPdf();

        // Save the new document to the specified file location
        File.WriteAllBytes("iText-styled-html.pdf", pdfBytes);
    }
}

class PdfGenerator
{
    public byte[] CreateStyledPdf()
    {
        string html = @"
        <html>
            <head>
                <style>
                    body { 
                        background-color: #f0f0f0; 
                        margin: 20px; 
                        padding: 20px; 
                        border-radius: 5px; 
                        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
                    }
                    h1 { 
                        color: navy;
                        font-size: 32px;   
                        text-align: center;
                       }
                    p { 
                        font-size: 16px; 
                        font-weight: bold;
                      }
                </style>
            </head>
            <body>
                <h1>Welcome to iText 7</h1>
                <p>This is a simple PDF document generated using iText 7 and pdfHTML.</p>
            </body>
        </html>";

        using var ms = new MemoryStream();
        ConverterProperties properties = new ConverterProperties();
        HtmlConverter.ConvertToPdf(new MemoryStream(System.Text.Encoding.UTF8.GetBytes(html)), ms, properties);
        return ms.ToArray();
    }
}

Imports iText.Kernel.Pdf
Imports iText.Html2pdf
Imports System.IO

Friend Class Program
	Shared Sub Main(ByVal args() As String)
		Dim pdfGenerator As New PdfGenerator()
		Dim pdfBytes() As Byte = pdfGenerator.CreateStyledPdf()

		' Save the new document to the specified file location
		File.WriteAllBytes("iText-styled-html.pdf", pdfBytes)
	End Sub
End Class

Friend Class PdfGenerator
	Public Function CreateStyledPdf() As Byte()
		Dim html As String = "
        <html>
            <head>
                <style>
                    body { 
                        background-color: #f0f0f0; 
                        margin: 20px; 
                        padding: 20px; 
                        border-radius: 5px; 
                        box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
                    }
                    h1 { 
                        color: navy;
                        font-size: 32px;   
                        text-align: center;
                       }
                    p { 
                        font-size: 16px; 
                        font-weight: bold;
                      }
                </style>
            </head>
            <body>
                <h1>Welcome to iText 7</h1>
                <p>This is a simple PDF document generated using iText 7 and pdfHTML.</p>
            </body>
        </html>"

		Dim ms = New MemoryStream()
		Dim properties As New ConverterProperties()
		HtmlConverter.ConvertToPdf(New MemoryStream(System.Text.Encoding.UTF8.GetBytes(html)), ms, properties)
		Return ms.ToArray()
	End Function
End Class