How to change tiff compression method in 7.2.0?

[246246]

There was a CompressionMethod property in MagickImage 7.1.0.
But in 7.2.0, it is not, instead it looks Compression property exists.
However it is read only.

Then, how to copy single page tiff file with changing compression method?
I had do it before like the following:

Code: Select all

MagickReadSettings settings = new MagickReadSettings();
settings.SetDefine(MagickFormat.Tif, "ignore-layers", true);
using (var image = new MagickImage(File.ReadAllBytes(srcPath), settings))
{
   image.Format = MagickFormat.Tif;
   image.CompressionMethod = CompressionMethod.NoCompression;
   image.Write(dstPath);
}
 

Best Wishes,

[246246]

I just read https://www.imagemagick.org/discourse-s ... 22#p151883 .
So it shoud be:

Code: Select all

MagickReadSettings settings = new MagickReadSettings();
settings.SetDefine(MagickFormat.Tif, "ignore-layers", true);
settings.Compression = Compression.NoCompression;
using (var image = new MagickImage(File.ReadAllBytes(srcPath), settings))
{
        image.Format = MagickFormat.Tif;
        image.Write(dstPath);
}

RIght?

[dlemstra]

You should do the following:

Code: Select all

MagickReadSettings settings = new MagickReadSettings();
settings.SetDefine(MagickFormat.Tif, "ignore-layers", true);
using (var image = new MagickImage(File.ReadAllBytes(srcPath), settings))
{
   image.Format = MagickFormat.Tif;
   // You should set this property.
   image.Settings.CompressionMethod = CompressionMethod.NoCompression;
   image.Write(dstPath);
}

[246246]

Thank you.
If I understand correctly, this shoule be

Code: Select all

image.Settings.Compression = Compression.NoCompression;

since version 7.2.0.

[dlemstra]

Yes that is correct.