Known Issues and Important Information

The following items are either currently under investigation by the Accusoft Engineering organization or provide further information regarding the ImageGear products and samples. Should you require an updated status on any of these items, please contact the Accusoft Customer Support Department.

NOTE: For the latest release notes and other ImageGear documentation, go to http://www.accusoft.com/products/imagegear-professional/documentation/.

ImageGear for Windows Important Information

• A correction has been made to the font selection logic for vector image display. In ImageGear v17 and earlier, if a font name specified in the image contained words "Times", "Arial", "Helvetica", or "Courier", ImageGear instead used "Times New Roman", "Arial", "Helvetica", and "Courier New" fonts, respectively. For example, if "Arial Unicode MS" font was specified, ImageGear replaced it with "Arial". Now, if the specified font exists on the system, ImageGear uses this font to display text objects. Otherwise, ImageGear falls back to the old logic. If the font does not contain the aforementioned words and does not exist on the system, the system chooses a replacement font automatically.

• Support for WinGDI rendering engine has been deprecated. It will be discontinued in a future release of ImageGear Professional.

• The FreqIP component has been deprecated and will be removed from the public API in a future release.

• Visual Studio .NET 2003 SP1 or later (with ATL security update KB971089 applied) is required to build ImageGear ActiveX VS7 projects.
  Updates may be downloaded from Microsoft:

  • Visual Studio .NET 2003 Service Pack 1. http://www.microsoft.com/en-us/download/details.aspx?id=703

  • Visual Studio .NET 2003 Service Pack 1 ATL Security Update. http://www.microsoft.com/en-us/download/details.aspx?id=23288

• When using ActiveX with Delphi5, the compiled package is provided for you with the ImageGear installation. You need to add it to Delphi before you can use any of the ImageGear functionality. This can be done by going to 'Component'|'Install Packages' menu, clicking the 'Add' button in the presented dialog, and selecting C:\Program Files\AccuSoft\ImageGear\Professional\ActiveX\Samples\Delphi5\Package\ImageGearXX.bpl". The path can be different depending on where you have installed ImageGear.

• Vista and Visual Studio 2005/2008: Microsoft recommends running Visual Studio 2005/2008 with administrator privileges under Vista. To properly use the ImageGear Samples please run Visual Studio 2005/2008 with elevated permissions. To run Visual Studio 2005/2008 with elevated administrator permissions first confirm you are a member of the "Administrators" group on the local machine. Then right-click the Visual Studio 2005/2008 shortcut and select the "Run as administrator" option from the context menu. Click ‘Continue’ to the UAC prompt. To ensure you have the latest updates, after running Visual Studio 2005/2008 choose ‘Check for Updates’ from the Help Menu.

ImageGear for Windows Known Issues

• IGPRO-5154: Users of VB6 may see issues when running with ImageGear controls in the VisualStudio 6 (VB6) IDE. This is not unique to ImageGear, and further details and suggested workarounds can be found here:

  • http://microsoft.public.vb.general.discussion.narkive.com/kYiVPjVj/since-31-march-2013-i-get-messages-like-control-xxx-was-not-a-loaded-control-class

  • http://www.vbforums.com/showthread.php?716089-Windows-7-64-bit-Library-Not-Registered-problem/page2

• IGPRO-5149: ImageGear does not support the reading of SVG images that are encoded using UTF-16 encoding and use any character sets other than Latin-1.

• IGPRO-4942: If XPS file size exceeds several megabytes, ImageGear may fail reading it and will instead return an error.

• The ImageGear PSD reader reports PackedBits compressed files as RLE.

• (ActiveX) There is a known issue with running projects attaching the ImageGear ActiveX PDF from the PowerBuilder 10 Development environment. If that project is run from PowerBuilder 10, halted, and run again, an error will be reported, and further execution will not be possible without restarting the PowerBuilder IDE.
  
  This can be avoided by never running the app more than once, a bit inconvenient, or temporarily/permanently disabling PostScript support with the following code:
  
      // Set parameter to disable postscript.
      OLEObject postscriptParam
      postscriptParam = igcorectl.Settings.GetParamCopy("PDF.ENABLE_POSTSCRIPT")
      postscriptParam.Value.Boolean = false
      igcorectl.Settings.UpdateParamFrom(postscriptParam)

• Specific CGM files with tile arrays containing raster data compressed with different compression types are not supported. Ticket # 1-14750

• Multiple texture 3D PDFs are not fully supported. Ticket # 1-17931

• Cannot render some DWG images under Windows 2003 with Direct3D. Ticket # 1-16967

• Limited support for AFP files. Ticket # 1-17184

• Saving multistrip TIFFs results in large files. Ticket # 1-18268

• There is a known issue with excess memory usage when saving to TIF Deflate. However there is a work-around. If saving the source image as striped TIF deflate, the image saves successfully and without excessive memory consumption. Leaving the TIF filter parameter WRITE_CONFIG at its default of IG_TIF_STRIP_FIXED_COUNT (0) and setting NUMBER_OF_STRIPS to 10 reduces memory requirement by 10x.
  
      Example:
  
      C DLL
  
      IG_fltr_ctrl_set( IG_FORMAT_TIF, "WRITE_CONFIG", (LPVOID)IG_TIF_STRIP_FIXED_COUNT, sizeof(UINT));
      IG_fltr_ctrl_set( IG_FORMAT_TIF, "NUMBER_OF_STRIPS", (LPVOID)10, sizeof(UINT));
  
      VB6 ActiveX
  
      Dim currentFormat As IGFormatParams
      Dim currentParameter As IGControlParameter
  
      Set currentFormat = IGFormatsCtl1.Settings.GetFormatRef(IG_FORMAT_TIF)
      Set currentParameter = currentFormat.GetParamCopy("WRITE_CONFIG")
      currentParameter.Value.Long = 0
      currentFormat.UpdateParamFrom currentParameter
     
      Set currentParameter = currentFormat.GetParamCopy("NUMBER_OF_STRIPS")
      currentParameter.Value.Long = 10
      currentFormat.UpdateParamFrom currentParameter
   

• ImageGear support for the XPS file format depends upon libraries created and distributed by Microsoft Corporation. By default, support for the XPS format is disabled. If you enable support for XPS, the ImageGear installer will attempt to install the libraries required by running the Microsoft XML Paper Specification Essentials Pack installer.
  
  For some scenarios, installation of the Microsoft XML Paper Specification Essentials Pack does not complete successfully, resulting in a 1722 installation error. Should this occur, please try to install this package before running the ImageGear installation. You may obtain this package from Microsoft at:
  http://www.microsoft.com/downloads/details.aspx?FamilyID=b8dcffdd-e3a5-44cc-8021-7649fd37ffee&displaylang=en
  
  If you remain unable to install the Microsoft XML Paper Specification Essentials Pack, please contact Microsoft Corporation for further assistance. In the meantime, ImageGear can be installed with XPS support disabled.

• Saving to PS G3 and G4 creates extra Image element.

• Provided CGM files not displaying properly. Ticket # 1-14750

• When attempting to install the 32-bit version of the ImageGear XPS component on a clean machine with a 64-bit Operating System, the following error is given:
      "Error 1722: Problem with Windows Installer package..."
  For the XPS component to work on the 64-bit machine, you must install the 64-bit version of the dependency packages that come with the 64-bit product installer or can be downloaded directly from the Microsoft Web site. Those dependencies are: MS XPS Essentials Pack, MSXML 6.0, and MS Windows Desktop 4.0 Search Preview.

• ICC profile warning does not remember "Enable ICC" choice.

• 3D images colored by layer/block in AutoCAD don't appear colored.

• PSD layer mask information is not currently supported for read & write.