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Bug Report T1253049
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PlatformNotSupportedException occurs while exporting report to PDF in WASM if report contains special characters

created 7 months ago

Steps to reproduce:

  1. Create a Blazor WASM application with DevExpress Reporting components.
  2. Add a report that displays some special characters in its labels. For example, use the ü character.
  3. Use the DxReportViewer component to preview this report.
  4. Export the previewed report to PDF.

Expected results:

A PDF file is generated from the previewed report.

Current results:

The following exception occurs:

Call Stack
System.PlatformNotSupportedException: Operation is not supported on this platform.
   at System.Globalization.Normalization.ValidateArguments(String strInput, NormalizationForm normalizationForm)
   at System.Globalization.Normalization.IcuNormalize(String strInput, NormalizationForm normalizationForm)
   at System.Globalization.Normalization.Normalize(String strInput, NormalizationForm normalizationForm)
   at System.String.Normalize(NormalizationForm normalizationForm)
   at DevExpress.Pdf.Native.PdfTextUtils.NormalizeAndDecompose(String text)
   at DevExpress.Pdf.ContentGeneration.PdfTextSubsetBuilder.AppendCluster(PdfExportFont font, DXCluster cluster)
   at DevExpress.Pdf.ContentGeneration.PdfTextBuilder.Append(DXTextLine line)
   at DevExpress.Pdf.ContentGeneration.PdfTextPainter.DrawLines(IReadOnlyList\\`1 lines, PdfExportFontInfo fontInfo, PdfStringPaintingStrategy strategy, PdfFontMetrics metrics, PdfStringClipper stringClipper, Boolean isolateAction)
   at DevExpress.Pdf.ContentGeneration.PdfTextPainter.DrawLines(IReadOnlyList\\`1 lines, PdfExportFontInfo fontInfo, PdfRectangle layoutRect, DXStringFormat format, PdfStringClipper stringClipper)
   at DevExpress.Pdf.ContentGeneration.PdfTextPainter.DrawLines(PdfCommandConstructor constructor, IReadOnlyList\\`1 lines, PdfExportFontInfo fontInfo, PdfRectangle layoutRect, DXStringFormat format)
   at DevExpress.Pdf.ContentGeneration.PdfGraphicsCommandConstructor.DrawString(String text, PdfExportFontInfo fontInfo, RectangleF layout, DXStringFormat format, DXLineFormatterOptions options, IDXLineBreakAnalyzer lineBreakAnalyzer)
   at DevExpress.Pdf.ContentGeneration.PdfGraphicsCommandConstructor.DrawString(String text, PdfExportFontInfo fontInfo, RectangleF layout, DXStringFormat format, DXLineFormatterOptions options)
   at DevExpress.Printing.Core.NativePdfExport.PdfPrintingGraphicsImplementation.<>c__DisplayClass11_0.<DrawCommonString>b__0()
   at DevExpress.Printing.Core.NativePdfExport.PdfGraphicsImplementation.PerformIsolatedAction(Action action)
   at DevExpress.Printing.Core.NativePdfExport.PdfPrintingGraphicsImplementation.DrawCommonString(DXSolidBrush solidBrush, RectangleF bounds, DXStringFormat format, DXStringFormat validFormat, String actualString, PdfExportFontInfo fontInfo, Boolean justifyText)
   at DevExpress.Printing.Core.NativePdfExport.PdfPrintingGraphicsImplementation.<>c__DisplayClass9_0.<DrawString>b__0(DXStringFormat validFormat)
   at DevExpress.XtraPrinting.Native.GraphicsBase.EnsureDXStringFormat(DXFont font, RectangleF bounds, DXGraphicsUnit unit, DXStringFormat dxFormat, IMeasurer measurer, Action\\`1 action)
   at DevExpress.Printing.Core.NativePdfExport.PdfPrintingGraphicsImplementation.DrawString(String s, DXFont font, DXBrush dxBrush, RectangleF bounds, DXStringFormat format, IMeasurer measurer, Boolean justifyText)
   at DevExpress.Printing.Core.NativePdfExport.PdfPrintingGraphicsImplementation.DrawString(String s, DXFont font, DXBrush dxBrush, RectangleF bounds, DXStringFormat dxFormat, IMeasurer measurer)
   at DevExpress.Printing.Core.NativePdfExport.PdfGraphics.DrawString(String s, DXFont font, DXBrush dxBrush, RectangleF bounds, DXStringFormat dxFormat)
   at DevExpress.XtraPrinting.BrickExporters.TextBrickExporter.DrawCore(IGraphics gr, RectangleF clientRectangle, DXStringFormat sf, DXBrush brush)
   at DevExpress.XtraPrinting.BrickExporters.TextBrickExporter.DrawText(IGraphics gr, RectangleF clientRectangle, DXStringFormat sf, DXBrush brush)
   at DevExpress.XtraPrinting.BrickExporters.LabelBrickExporter.DrawCore(IGraphics gr, RectangleF clientRectangle, DXStringFormat sf, DXBrush brush)
   at DevExpress.XtraPrinting.BrickExporters.LabelBrickExporter.DrawDeferred(IGraphics gr, BrickBase brick, RectangleF clientRectangle, DXStringFormat sf, DXBrush brush)
   at DevExpress.XtraPrinting.BrickExporters.LabelBrickExporter.DrawPdfCore(IPdfGraphics gr, RectangleF clientRectangle, DXStringFormat sf, DXBrush brush)
   at DevExpress.XtraPrinting.BrickExporters.LabelBrickExporter.DrawText(IGraphics gr, RectangleF clientRectangle, DXStringFormat sf, DXBrush brush)
   at DevExpress.XtraPrinting.BrickExporters.TextBrickExporter.DrawClientContent(IGraphics gr, RectangleF clientRect)
   at DevExpress.XtraPrinting.BrickExporters.VisualBrickExporter.DrawObjectCore(IGraphics gr, RectangleF rect)
   at DevExpress.XtraPrinting.BrickExporters.VisualBrickExporter.<>c__DisplayClass17_0.<DrawObjectCoreWithClipping>b__0()
   at DevExpress.XtraPrinting.Native.IGraphicsExtensions.ExecUsingClipBounds(IGraphics gr, Action action, RectangleF clipBounds, Boolean snapToDpi)
   at DevExpress.XtraPrinting.BrickExporters.VisualBrickExporter.DrawObjectCoreWithClipping(IGraphics gr, RectangleF rect)
   at DevExpress.XtraPrinting.BrickExporters.VisualBrickExporter.DrawObject

Additional information:

We forwarded this issue to our developer team for further research. We will update this thread as soon as we have made any progress on this issue.

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Answers approved by DevExpress Support

created 6 months ago

We have addressed the issue described in this ticket and will include a fix in our next maintenance update. Should you need to apply our fix prior to official release, you can request a hotfix here.

Important Notes:

  • Hotfixes may be unavailable for Early Access/Beta builds or updates set for release within a week.
  • .NET only: in the NuGet Package Manager, use your personal NuGet feed and check the "Include prerelease" option to view the hotfix package in the "Updates" tab.
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