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feature: pdf field locations cached

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This commit is contained in:
Gary Sharp
2022-11-03 16:56:12 +11:00
parent e463a7361e
commit 96cccab958
9 changed files with 121 additions and 29 deletions
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Disco.BI/BI/Extensions/DocumentTemplateExtensions.cs
+15 -1
View File
@@ -10,6 +10,7 @@ using iTextSharp.text.pdf;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Linq;
@@ -31,8 +32,21 @@ namespace Disco.BI.Extensions
int pdfFieldOrdinal = 0;
foreach (string pdfFieldKey in pdfReader.AcroFields.Fields.Keys)
{
var pdfField = pdfReader.AcroFields.Fields[pdfFieldKey];
var pdfFieldPositions = pdfReader.AcroFields.GetFieldPositions(pdfFieldKey);
var pdfFieldFlags = pdfField.GetMerged(0).GetAsNumber(PdfName.FF)?.IntValue ?? 0;
var isRequired = (pdfFieldFlags & 2) == 2;
var isReadOnly = (pdfFieldFlags & 1) == 1;
var pdfFieldValue = pdfReader.AcroFields.GetField(pdfFieldKey);
ExpressionCache.SetValue(cacheModuleKey, pdfFieldKey, Expression.Tokenize(pdfFieldKey, pdfFieldValue, pdfFieldOrdinal));
var pdfFieldPosition = default(RectangleF?);
if (pdfFieldPositions != null && pdfFieldPositions.Count > 0)
{
var position = pdfFieldPositions.First().position;
pdfFieldPosition = new RectangleF(position.Left, position.Top, position.Width, position.Height);
}
ExpressionCache.SetValue(cacheModuleKey, pdfFieldKey, Expression.Tokenize(pdfFieldKey, pdfFieldValue, pdfFieldOrdinal, isRequired, isReadOnly, pdfFieldPosition));
pdfFieldOrdinal++;
}
pdfReader.Close();
Disco.BI/BI/Interop/Pdf/PdfGenerator.cs
+1
View File
@@ -290,6 +290,7 @@ namespace Disco.BI.Interop.Pdf
AcroFields.FieldPosition pdfFieldPosition = pdfFieldPositions[pdfFieldOrdinal];
iTextSharp.text.Image pdfImage = iTextSharp.text.Image.GetInstance(imageResult.GetImage((int)pdfFieldPosition.position.Width, (int)pdfFieldPosition.position.Height));
pdfImage.SetAbsolutePosition(pdfFieldPosition.position.Left, pdfFieldPosition.position.Bottom);
pdfImage.ScaleToFit(pdfFieldPosition.position.Width, pdfFieldPosition.position.Height);
pdfStamper.GetOverContent(pdfFieldPosition.page).AddImage(pdfImage);
}
if (!fieldExpressionResult.Item2 && !imageResult.ShowField)