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This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Friday, November 17, 2006 5:16:11 AM(UTC)

sosoprince

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Posts: 23

I want to know can i create a mulit-page (single-stripe) tiff (old jpeg compression) image that can be opened by MS document Imaging image by using leadtools 14.5?

I know that document imaging only support a few tiff (jpeg compression) standard


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#2 Posted : Saturday, November 18, 2006 11:54:05 PM(UTC)

Bashar

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You can do that. Which programming interface are you using (e.g. COM, OCX, API, etc.)?

#3 Posted : Sunday, November 19, 2006 3:10:52 AM(UTC)

sosoprince

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Posts: 23

C#.Net 2003. Thanks

#4 Posted : Sunday, November 19, 2006 4:58:46 AM(UTC)

Bashar

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If you are using the .NET classes, then set the TileWidth property to a
value greater than the image width, and the TileHeight property to a
value greater than the height of the image. Refer to the .NET class library help file to see how to use those proeprties.

#5 Posted : Sunday, November 19, 2006 6:16:17 AM(UTC)

sosoprince

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Posts: 23

Sorry it seem to be not working. I also have to make the tiff to be single stripe. Here is my code

RasterCodecs.CodecsPath = @"C:\Program Files\LEAD Technologies, Inc\LEADTOOLS 14.5\Bin\Dotnet\v11";
codecs = new RasterCodecs();

codecs.Options.Load.TiledMemory = false;

image = codecs.Load(txtSrc.Text, 0, CodecsLoadByteOrder.BgrOrGray, 1, -1);

codecs.Options.Jpeg.Save.QualityFactor = 65;
codecs.Options.Jpeg.Save.Passes = 1;

codecs.Options.Jpeg.Save.SaveOldJtif = true;

   codecs.Options.Tiff.Save.NoSubFileType = true;
   codecs.Options.Tiff.Save.SavePlanar = false;

   codecs.Options.Tiff.Save.UseTileSize = true;
   codecs.Options.Tiff.Save.TileHeight = image.Height + 10;
   codecs.Options.Tiff.Save.TileWidth = image.Width * 2;

   codecs.Options.Tiff.Save.NoPageNumber = true;
   codecs.Options.Tiff.Save.UseImageFileDirectoryOffset = true;

codecs.Save(image, txtDst.Text, RasterImageFormat.TifJpeg422, 8, 1, image.PageCount, 1, Leadtools.Codecs.CodecsSavePageMode.Overwrite);

   byte[] byteArray = new byte[2];
   byteArray[0] = 0x1;

   RasterTagMetadata tag = new RasterTagMetadata(266, RasterTagMetadataDataType.UInt16, byteArray);

RasterTagMetadataCollection tags = new RasterTagMetadataCollection();
tags.Add(tag);

   for (int i = 1; i <= image.PageCount; i++)
   {
    codecs.DeleteTag(txtDst.Text, i, 254);
    codecs.DeleteTag(txtDst.Text, i, 274);
    codecs.DeleteTag(txtDst.Text, i, 277);
    codecs.DeleteTag(txtDst.Text, i, 284);
    codecs.DeleteTag(txtDst.Text, i, 297);

codecs.WriteTags(txtDst.Text, i, tags);
}

#6 Posted : Wednesday, November 22, 2006 6:36:10 AM(UTC)

Bashar

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It works for me. The following lines are enough to save a single stripe file:

codecs.Options.Tiff.Save.UseTileSize = true;
codecs.Options.Tiff.Save.TileHeight = image.Height + 10;
codecs.Options.Tiff.Save.TileWidth = image.Width * 2;

How are you checking that the file is tiled or striped? Can you please post the resulting file you got?

#7 Posted : Wednesday, November 22, 2006 7:39:50 PM(UTC)

sosoprince

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Posts: 23

The format is corrected when

codecs.Options.Jpeg.Save.SaveOldJtif = false;

The result is incorrect when .SaveOldJtif = true;

Actually i want to format to be old jpeg but the compression is new jpeg format. This is my client requirement

Do you have any idea on how to do that ??

#8 Posted : Wednesday, November 22, 2006 11:44:19 PM(UTC)

Bashar

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When I set SaveOldJtif to True I get a striped image. Do you get a tiled image?

#9 Posted : Thursday, November 23, 2006 1:18:29 AM(UTC)

sosoprince

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Posts: 23

But it cannot opened in MS Document Imaging

#10 Posted : Thursday, November 23, 2006 4:43:41 AM(UTC)

Bashar

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It doesn't seem that MS Document Imaging supports old-style
JTIFs. When I set SaveOldJtif to False MS Document Imaging opens the file.

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