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968996: Added filled form fields from HTML to PDF. #189

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25 changes: 25 additions & 0 deletions ...ields-from-HTML-to-PDF-Converter/.NET/Fillable-form-fields-from-HTML-to-PDF-Converter.sln
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.14.36221.1 d17.14
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Fillable-form-fields-from-HTML-to-PDF-Converter", "Fillable-form-fields-from-HTML-to-PDF-Converter\Fillable-form-fields-from-HTML-to-PDF-Converter.csproj", "{70A501A7-093A-4E77-AE84-1EDFE2A5243F}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{70A501A7-093A-4E77-AE84-1EDFE2A5243F}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{70A501A7-093A-4E77-AE84-1EDFE2A5243F}.Debug|Any CPU.Build.0 = Debug|Any CPU
{70A501A7-093A-4E77-AE84-1EDFE2A5243F}.Release|Any CPU.ActiveCfg = Release|Any CPU
{70A501A7-093A-4E77-AE84-1EDFE2A5243F}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {FC5888A1-82B1-4C5C-AA60-36BBCD924490}
EndGlobalSection
EndGlobal
62 changes: 62 additions & 0 deletions ...TML-to-PDF-Converter/.NET/Fillable-form-fields-from-HTML-to-PDF-Converter/Data/Input.html
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<!-- template.html -->
<html>
<head>
<meta charset="utf-8">
<style>
body {
font-size: 18px; /* Increase base font size */
min-height: 100vh;
margin: 0;
display: flex;
align-items: center;
justify-content: center;
background: #fff; /* Set background to white */
font-family: Arial, sans-serif;
}
.center-rectangle {
background: #fff;
border: 2.5px solid #313163;
border-radius: 12px;
padding: 48px 62px 46px 62px;
min-width: 420px;
max-width: 650px;
box-shadow: 0 4px 30px rgba(49,49,99,0.10);
display: flex;
flex-direction: column;
align-items: center;
}
.center-rectangle h1 {
font-size: 2.8em; /* Big headline */
font-weight: 800;
margin-top: 0;
margin-bottom: 38px;
color: #313163;
letter-spacing: 1.4px;
}
.center-rectangle p {
font-size: 1.5em; /* Larger paragraph text */
margin: 22px 0 0 0;
width: 100%;
text-align: left;
color: #222;
font-weight: 500;
letter-spacing: 0.7px;
}
.center-rectangle p:last-child {
margin-top: 56px;
text-align: center;
color: #757575;
font-size: 1.23em;
font-weight: 400;
}
</style>
</head>
<body>
<div class="center-rectangle">
<h1>Welcome, {{name}}</h1>
<p>Date: {{date}}</p>
<p>Signature: {{signature}}</p>
<p>Thank you for using our service.</p>
</div>
</body>
</html>
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Binary file added ...nverter/.NET/Fillable-form-fields-from-HTML-to-PDF-Converter/Data/signature.png
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16 changes: 16 additions & 0 deletions ...-fields-from-HTML-to-PDF-Converter/Fillable-form-fields-from-HTML-to-PDF-Converter.csproj
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<Project Sdk="Microsoft.NET.Sdk">

<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<RootNamespace>Fillable_form_fields_from_HTML_to_PDF_Converter</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>

<ItemGroup>
<PackageReference Include="Syncfusion.HtmlToPdfConverter.Net.Windows" Version="*" />
<PackageReference Include="Syncfusion.Pdf.Imaging.Net.Core" Version="*" />
</ItemGroup>

</Project>
Empty file added ...-to-PDF-Converter/.NET/Fillable-form-fields-from-HTML-to-PDF-Converter/Output/gitkeep.txt
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112 changes: 112 additions & 0 deletions ...rom-HTML-to-PDF-Converter/.NET/Fillable-form-fields-from-HTML-to-PDF-Converter/Program.cs
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using Syncfusion.HtmlConverter;
using Syncfusion.Pdf;
using Syncfusion.Pdf.Graphics;
using Syncfusion.Pdf.Interactive;
using Syncfusion.Pdf.Parsing;
using Syncfusion.Pdf.Redaction;
using Syncfusion.Pdf.Security;

class Program
{
static void Main(string[] args)
{
// Initialize HTML to PDF converter and load HTML
HtmlToPdfConverter htmlConverter = new HtmlToPdfConverter();
string htmlFilePath = Path.GetFullPath(@"Data/Input.html");
PdfDocument document = htmlConverter.Convert(htmlFilePath);

// Save the PDF to a memory stream
using (MemoryStream memoryStream = new MemoryStream())
{
document.Save(memoryStream);
document.Close(true);

// Load back the PDF for further processing
memoryStream.Position = 0;
PdfLoadedDocument loadedDocument = new PdfLoadedDocument(memoryStream);

// This will collect (pageIndex, word) for each form field
List<(int pageIdx, TextWord word)> fieldData = new List<(int pageIdx, TextWord word)>();

// Pass 1: Locate each placeholder and add a redaction on its bound
for (int i = 0; i < loadedDocument.Pages.Count; i++)
{
PdfLoadedPage page = loadedDocument.Pages[i] as PdfLoadedPage;
page.ExtractText(out TextLineCollection lines);
if (lines == null) continue;
foreach (TextLine line in lines.TextLine)
{
foreach (TextWord word in line.WordCollection)
{
if (word == null) continue;
if (word.Text == "{{name}}" ||
word.Text == "{{date}}" ||
word.Text == "{{signature}}")
{
page.AddRedaction(new PdfRedaction(word.Bounds));
fieldData.Add((i, word));
}
}
}
}
loadedDocument.Redact();

// Pass 2: Add form fields exactly over the bounds
foreach (var (pageIdx, word) in fieldData)
{
PdfPageBase page = loadedDocument.Pages[pageIdx];

if (word.Text == "{{name}}")
{
PdfTextBoxField textBox = new PdfTextBoxField(page, "FirstName")
{
Bounds = word.Bounds,
ToolTip = "First Name",
Text = "John"
};
loadedDocument.Form.Fields.Add(textBox);
}
else if (word.Text == "{{date}}")
{
PdfTextBoxField dateField = new PdfTextBoxField(page, "DateField")
{
Bounds = word.Bounds
};
dateField.Actions.KeyPressed = new PdfJavaScriptAction("AFDate_KeystrokeEx(\"m/d/yy\")");
dateField.Actions.Format = new PdfJavaScriptAction("AFDate_FormatEx(\"m/d/yy\")");
loadedDocument.Form.Fields.Add(dateField);
}
else if (word.Text == "{{signature}}")
{
PdfSignatureField sigField = new PdfSignatureField(page, "SignatureField")
{
Bounds = word.Bounds,
Signature = new PdfSignature()
};
// Optionally draw a signature image in the field area
FileStream imageStream = new FileStream(Path.GetFullPath("Data/signature.png"), FileMode.Open, FileAccess.Read);
PdfBitmap image = new PdfBitmap(imageStream);
(page as PdfLoadedPage).Graphics.DrawImage(image, word.Bounds);
imageStream.Dispose();

// Optional: add digital certificate
using (FileStream certStream = new FileStream(Path.GetFullPath(@"Data/PDF.pfx"), FileMode.Open, FileAccess.Read))
{
sigField.Signature.Certificate = new PdfCertificate(certStream, "syncfusion");
sigField.Signature.Reason = "I am author of this document";
}
loadedDocument.Form.Fields.Add(sigField);
}
}
//Create file stream.
using (FileStream outputFileStream = new FileStream(Path.GetFullPath(@"Output/Output.pdf"), FileMode.Create, FileAccess.ReadWrite))
{
//Save the PDF document to file stream.
loadedDocument.Save(outputFileStream);
}

//Close the document.
loadedDocument.Close(true);
}
}
}
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