2025年にMac用のベストPDFエディターを発見する

dotnet add package IronPdf
# Or in the NuGet Package Manager Console:
# Install-Package IronPdf

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE";

IronPdf.License.LicenseKey = "YOUR-LICENSE-KEY-HERE"

public class HeaderFooterEvent : PdfPageEventHelper
{
    private readonly Font headerFont = new Font(Font.FontFamily.HELVETICA, 12, Font.BOLD);
    private readonly Font footerFont = new Font(Font.FontFamily.HELVETICA, 10);

    public override void OnEndPage(PdfWriter writer, Document document)
    {
        PdfContentByte cb = writer.DirectContent;

        // Add header text -- requires precise Y coordinate calculation
        float headerY = document.PageSize.Height - 30;
        ColumnText.ShowTextAligned(cb, Element.ALIGN_CENTER,
            new Phrase("Company Report", headerFont),
            document.PageSize.Width / 2, headerY, 0);

        // Draw underline manually
        cb.MoveTo(40, headerY - 5);
        cb.LineTo(document.PageSize.Width - 40, headerY - 5);
        cb.Stroke();

        // Add footer with page number
        string footerText = $"Page {writer.PageNumber}";
        ColumnText.ShowTextAligned(cb, Element.ALIGN_RIGHT,
            new Phrase(footerText, footerFont),
            document.PageSize.Width - 40, 30, 0);

        // Add date on left side
        ColumnText.ShowTextAligned(cb, Element.ALIGN_LEFT,
            new Phrase(DateTime.Now.ToString("MM/dd/yyyy"), footerFont),
            40, 30, 0);
    }
}

// Usage
PdfWriter writer = PdfWriter.GetInstance(document, stream);
writer.PageEvent = new HeaderFooterEvent();

Imports iTextSharp.text
Imports iTextSharp.text.pdf

Public Class HeaderFooterEvent
    Inherits PdfPageEventHelper

    Private ReadOnly headerFont As Font = New Font(Font.FontFamily.HELVETICA, 12, Font.BOLD)
    Private ReadOnly footerFont As Font = New Font(Font.FontFamily.HELVETICA, 10)

    Public Overrides Sub OnEndPage(writer As PdfWriter, document As Document)
        Dim cb As PdfContentByte = writer.DirectContent

        ' Add header text -- requires precise Y coordinate calculation
        Dim headerY As Single = document.PageSize.Height - 30
        ColumnText.ShowTextAligned(cb, Element.ALIGN_CENTER, 
            New Phrase("Company Report", headerFont), 
            document.PageSize.Width / 2, headerY, 0)

        ' Draw underline manually
        cb.MoveTo(40, headerY - 5)
        cb.LineTo(document.PageSize.Width - 40, headerY - 5)
        cb.Stroke()

        ' Add footer with page number
        Dim footerText As String = $"Page {writer.PageNumber}"
        ColumnText.ShowTextAligned(cb, Element.ALIGN_RIGHT, 
            New Phrase(footerText, footerFont), 
            document.PageSize.Width - 40, 30, 0)

        ' Add date on left side
        ColumnText.ShowTextAligned(cb, Element.ALIGN_LEFT, 
            New Phrase(DateTime.Now.ToString("MM/dd/yyyy"), footerFont), 
            40, 30, 0)
    End Sub
End Class

' Usage
Dim writer As PdfWriter = PdfWriter.GetInstance(document, stream)
writer.PageEvent = New HeaderFooterEvent()

using IronPdf;

var renderer = new ChromePdfRenderer();

// Configure text header with multiple properties
renderer.RenderingOptions.TextHeader = new TextHeaderFooter
{
    CenterText = "Company Report",
    LeftText = "CONFIDENTIAL",
    RightText = DateTime.Now.ToString("MMMM yyyy"),
    DrawDividerLine = true,
    FontSize = 12,
    FontFamily = "Arial",
    Spacing = 5
};

// Configure text footer with dynamic placeholders
renderer.RenderingOptions.TextFooter = new TextHeaderFooter
{
    LeftText = "{date} {time}",
    CenterText = "© 2024 Company Name",
    RightText = "Page {page} of {total-pages}",
    DrawDividerLine = true,
    FontSize = 10,
    Spacing = 10
};

// Set margins to ensure proper spacing
renderer.RenderingOptions.MarginTop = 30;
renderer.RenderingOptions.MarginBottom = 25;

var pdf = renderer.RenderHtmlAsPdf(htmlContent);
pdf.SaveAs("report.pdf");

Imports IronPdf

Dim renderer As New ChromePdfRenderer()

' Configure text header with multiple properties
renderer.RenderingOptions.TextHeader = New TextHeaderFooter With {
    .CenterText = "Company Report",
    .LeftText = "CONFIDENTIAL",
    .RightText = DateTime.Now.ToString("MMMM yyyy"),
    .DrawDividerLine = True,
    .FontSize = 12,
    .FontFamily = "Arial",
    .Spacing = 5
}

' Configure text footer with dynamic placeholders
renderer.RenderingOptions.TextFooter = New TextHeaderFooter With {
    .LeftText = "{date} {time}",
    .CenterText = "© 2024 Company Name",
    .RightText = "Page {page} of {total-pages}",
    .DrawDividerLine = True,
    .FontSize = 10,
    .Spacing = 10
}

' Set margins to ensure proper spacing
renderer.RenderingOptions.MarginTop = 30
renderer.RenderingOptions.MarginBottom = 25

Dim pdf = renderer.RenderHtmlAsPdf(htmlContent)
pdf.SaveAs("report.pdf")

// iTextSharp approach with complete page numbering
public class CompleteHeaderFooterEvent : PdfPageEventHelper
{
    private readonly PdfTemplate totalPageCount;
    private readonly Font normalFont = new Font(Font.FontFamily.HELVETICA, 10);

    public CompleteHeaderFooterEvent(PdfWriter writer)
    {
        // Create placeholder for total page count
        totalPageCount = writer.DirectContent.CreateTemplate(30, 16);
    }

    public override void OnEndPage(PdfWriter writer, Document document)
    {
        PdfPTable footerTable = new PdfPTable(3);
        footerTable.TotalWidth = document.PageSize.Width - document.LeftMargin - document.RightMargin;
        footerTable.SetWidths(new float[] { 1, 1, 1 });

        PdfPCell leftCell = new PdfPCell(new Phrase(DateTime.Now.ToString("dd/MM/yyyy"), normalFont));
        leftCell.Border = Rectangle.NO_BORDER;
        leftCell.HorizontalAlignment = Element.ALIGN_LEFT;

        PdfPCell centerCell = new PdfPCell(new Phrase("Confidential", normalFont));
        centerCell.Border = Rectangle.NO_BORDER;
        centerCell.HorizontalAlignment = Element.ALIGN_CENTER;

        PdfPCell rightCell = new PdfPCell();
        rightCell.Border = Rectangle.NO_BORDER;
        rightCell.HorizontalAlignment = Element.ALIGN_RIGHT;

        Chunk pageNum = new Chunk($"Page {writer.PageNumber} of ", normalFont);
        rightCell.AddElement(pageNum);
        rightCell.AddElement(Image.GetInstance(totalPageCount));

        footerTable.AddCell(leftCell);
        footerTable.AddCell(centerCell);
        footerTable.AddCell(rightCell);

        footerTable.WriteSelectedRows(0, -1, document.LeftMargin,
            document.PageSize.GetBottom(document.BottomMargin), writer.DirectContent);
    }

    public override void OnCloseDocument(PdfWriter writer, Document document)
    {
        ColumnText.ShowTextAligned(totalPageCount, Element.ALIGN_LEFT,
            new Phrase(writer.PageNumber.ToString(), normalFont), 0, 0, 0);
    }
}

Imports System
Imports iTextSharp.text
Imports iTextSharp.text.pdf

' iTextSharp approach with complete page numbering
Public Class CompleteHeaderFooterEvent
    Inherits PdfPageEventHelper

    Private ReadOnly totalPageCount As PdfTemplate
    Private ReadOnly normalFont As Font = New Font(Font.FontFamily.HELVETICA, 10)

    Public Sub New(writer As PdfWriter)
        ' Create placeholder for total page count
        totalPageCount = writer.DirectContent.CreateTemplate(30, 16)
    End Sub

    Public Overrides Sub OnEndPage(writer As PdfWriter, document As Document)
        Dim footerTable As New PdfPTable(3)
        footerTable.TotalWidth = document.PageSize.Width - document.LeftMargin - document.RightMargin
        footerTable.SetWidths(New Single() {1, 1, 1})

        Dim leftCell As New PdfPCell(New Phrase(DateTime.Now.ToString("dd/MM/yyyy"), normalFont))
        leftCell.Border = Rectangle.NO_BORDER
        leftCell.HorizontalAlignment = Element.ALIGN_LEFT

        Dim centerCell As New PdfPCell(New Phrase("Confidential", normalFont))
        centerCell.Border = Rectangle.NO_BORDER
        centerCell.HorizontalAlignment = Element.ALIGN_CENTER

        Dim rightCell As New PdfPCell()
        rightCell.Border = Rectangle.NO_BORDER
        rightCell.HorizontalAlignment = Element.ALIGN_RIGHT

        Dim pageNum As New Chunk($"Page {writer.PageNumber} of ", normalFont)
        rightCell.AddElement(pageNum)
        rightCell.AddElement(Image.GetInstance(totalPageCount))

        footerTable.AddCell(leftCell)
        footerTable.AddCell(centerCell)
        footerTable.AddCell(rightCell)

        footerTable.WriteSelectedRows(0, -1, document.LeftMargin, document.PageSize.GetBottom(document.BottomMargin), writer.DirectContent)
    End Sub

    Public Overrides Sub OnCloseDocument(writer As PdfWriter, document As Document)
        ColumnText.ShowTextAligned(totalPageCount, Element.ALIGN_LEFT, New Phrase(writer.PageNumber.ToString(), normalFont), 0, 0, 0)
    End Sub
End Class

using IronPdf;

var renderer = new ChromePdfRenderer();

renderer.RenderingOptions.HtmlHeader = new HtmlHeaderFooter
{
    HtmlFragment = @"
        <div style='width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 10px 0;'>
            <img src='logo.png' style='height: 40px;'>
            <div style='text-align: center;'>
                <h2 style='margin: 0; color: #2c3e50;'>Annual Report 2024</h2>
                <p style='margin: 0; font-size: 12px; color: #7f8c8d;'>Financial Performance &amp; Strategic Overview</p>
            </div>
            <div style='text-align: right; font-size: 11px; color: #95a5a6;'>
                Document ID: AR-2024-001<br>
                Classification: Public
            </div>
        </div>",
    MaxHeight = 80,
    DrawDividerLine = true,
    BaseUrl = new Uri(System.IO.Path.GetFullPath("assets/")).AbsoluteUri
};

renderer.RenderingOptions.HtmlFooter = new HtmlHeaderFooter
{
    HtmlFragment = @"
        <table style='width: 100%; font-size: 10px; color: #34495e;'>
            <tr>
                <td style='width: 33%; text-align: left;'>Generated: {date} at {time}</td>
                <td style='width: 34%; text-align: center;'>Page {page} of {total-pages}</td>
                <td style='width: 33%; text-align: right;'>Annual Report 2024</td>
            </tr>
        </table>",
    MaxHeight = 30,
    DrawDividerLine = true
};

var pdf = renderer.RenderHtmlAsPdf(htmlContent);
pdf.SaveAs("annual-report.pdf");

Imports IronPdf

Dim renderer As New ChromePdfRenderer()

renderer.RenderingOptions.HtmlHeader = New HtmlHeaderFooter With {
    .HtmlFragment = "
        <div style='width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 10px 0;'>
            <img src='logo.png' style='height: 40px;'>
            <div style='text-align: center;'>
                <h2 style='margin: 0; color: #2c3e50;'>Annual Report 2024</h2>
                <p style='margin: 0; font-size: 12px; color: #7f8c8d;'>Financial Performance &amp; Strategic Overview</p>
            </div>
            <div style='text-align: right; font-size: 11px; color: #95a5a6;'>
                Document ID: AR-2024-001<br>
                Classification: Public
            </div>
        </div>",
    .MaxHeight = 80,
    .DrawDividerLine = True,
    .BaseUrl = New Uri(System.IO.Path.GetFullPath("assets/")).AbsoluteUri
}

renderer.RenderingOptions.HtmlFooter = New HtmlHeaderFooter With {
    .HtmlFragment = "
        <table style='width: 100%; font-size: 10px; color: #34495e;'>
            <tr>
                <td style='width: 33%; text-align: left;'>Generated: {date} at {time}</td>
                <td style='width: 34%; text-align: center;'>Page {page} of {total-pages}</td>
                <td style='width: 33%; text-align: right;'>Annual Report 2024</td>
            </tr>
        </table>",
    .MaxHeight = 30,
    .DrawDividerLine = True
}

Dim pdf = renderer.RenderHtmlAsPdf(htmlContent)
pdf.SaveAs("annual-report.pdf")

using IronPdf;

public async Task GenerateReportsAsync(List<ReportData> reports)
{
    var renderer = new ChromePdfRenderer();

    renderer.RenderingOptions.TextHeader = new TextHeaderFooter
    {
        CenterText = "Monthly Report",
        DrawDividerLine = true
    };

    renderer.RenderingOptions.TextFooter = new TextHeaderFooter
    {
        RightText = "Page {page} of {total-pages}",
        DrawDividerLine = true
    };

    // Disable JavaScript if not required for faster rendering
    renderer.RenderingOptions.EnableJavaScript = false;
    renderer.RenderingOptions.CssMediaType = PdfCssMediaType.Print;

    var tasks = reports.Select(async report =>
    {
        string html = await GenerateHtmlAsync(report);
        return await renderer.RenderHtmlAsPdfAsync(html);
    });

    PdfDocument[] pdfs = await Task.WhenAll(tasks);
}

Imports IronPdf

Public Async Function GenerateReportsAsync(reports As List(Of ReportData)) As Task
    Dim renderer As New ChromePdfRenderer()

    renderer.RenderingOptions.TextHeader = New TextHeaderFooter With {
        .CenterText = "Monthly Report",
        .DrawDividerLine = True
    }

    renderer.RenderingOptions.TextFooter = New TextHeaderFooter With {
        .RightText = "Page {page} of {total-pages}",
        .DrawDividerLine = True
    }

    ' Disable JavaScript if not required for faster rendering
    renderer.RenderingOptions.EnableJavaScript = False
    renderer.RenderingOptions.CssMediaType = PdfCssMediaType.Print

    Dim tasks = reports.Select(Async Function(report)
                                   Dim html As String = Await GenerateHtmlAsync(report)
                                   Return Await renderer.RenderHtmlAsPdfAsync(html)
                               End Function)

    Dim pdfs As PdfDocument() = Await Task.WhenAll(tasks)
End Function