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Color management & 16 bits TIFF Options
Syphos
Posted: Wednesday, January 30, 2008 8:52:59 AM
Rank: Member
Groups: Member

Joined: 9/26/2007
Posts: 3
Points: 3
I can convert 8 bit TIFF image without any problem using ConvertToContinuous, but when I try the same code with a 16 bit TIFF image, I get an unexpected exception asnd I am asked to contact Aurigma's support... If I try to dispose of the image after that, everything freezes. And yes, I do have IsExtended as true in the function.
Alex Kon
Posted: Friday, February 01, 2008 1:26:02 AM
Rank: Advanced Member
Groups: Administration , Member

Joined: 1/31/2005
Posts: 386
Points: 403
Hello,

I've tried the following code with the latest release:

Code:
Aurigma.GraphicsMill.Bitmap bmp = new Aurigma.GraphicsMill.Bitmap();
bmp.Load(@"x:/allformats/64bppArgb.tif");
bmp.ColorManagement.ConvertToContinuous(
      Aurigma.GraphicsMill.ColorSpace.Cmyk,
      bmp.HasAlpha,
      bmp.IsExtended);
bmp.ColorManagement.ConvertToContinuous(
      Aurigma.GraphicsMill.ColorSpace.Rgb,
      bmp.HasAlpha,
      bmp.IsExtended);
bmp.ColorManagement.ConvertToContinuous(
      Aurigma.GraphicsMill.ColorSpace.GrayScale,
      bmp.HasAlpha,
      bmp.IsExtended);
bmp.ColorManagement.ConvertToContinuous(
      Aurigma.GraphicsMill.ColorSpace.Cmyk,
      bmp.HasAlpha,
      bmp.IsExtended);
bmp.ColorManagement.ConvertToContinuous(
      Aurigma.GraphicsMill.ColorSpace.GrayScale,
      bmp.HasAlpha,
      bmp.IsExtended);


It works as it should. So, the problem is more complicated. Could you post here (or submit case) code sample which reproduces the problem and test TIFF file?

Best wishes, Alex.
Dmitry
Posted: Wednesday, February 06, 2008 1:33:14 AM
Rank: Advanced Member
Groups: Administration , Member

Joined: 8/3/2003
Posts: 510
Points: 360
Hello,

We worked out the problem. The exception was thrown if you convert an image with extended pixel format (16 bits per channel) to another pixel format using color management.
The problem is resolved in the current release 4.5.17. You can download it from our site.

Sincerely yours,
Dmitry Sevostjanov.
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