(Ruby) Compress Bytes

Demonstrates how to compress binary data.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

# This example assumes the Chilkat API to have been previously unlocked.
# See Global Unlock Sample for sample code.

fac = Chilkat::CkFileAccess.new()

fileBytes = Chilkat::CkByteData.new()
success = fac.ReadEntireFile("qa_data/bmp/big.bmp",fileBytes)
if (fac.get_LastMethodSuccess() != true)
    print fac.lastErrorText() + "\n";
    exit
end

compress = Chilkat::CkCompression.new()
compress.put_Algorithm("deflate")

compressedBytes = Chilkat::CkByteData.new()
success = compress.CompressBytes(fileBytes,compressedBytes)
if (compress.get_LastMethodSuccess() != true)
    print compress.lastErrorText() + "\n";
    exit
end

success = fac.WriteEntireFile("qa_output/compressedBmp.dat",compressedBytes)
if (fac.get_LastMethodSuccess() != true)
    print fac.lastErrorText() + "\n";
    exit
end