Chilkat Examples

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(PowerBuilder) Compress Bytes to Base64 (or any other encoding)

Compresses bytes to base64 or any other encoding. Also decompress to return the original.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

integer li_rc
integer li_Success
oleobject loo_BinData
integer i
oleobject loo_Compress
string ls_CompressedBase64
string ls_CompressedHex
oleobject loo_BinData2

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

// First create some binary data to compress.
loo_BinData = create oleobject
li_rc = loo_BinData.ConnectToNewObject("Chilkat_9_5_0.BinData")
if li_rc < 0 then
    destroy loo_BinData
    MessageBox("Error","Connecting to COM object failed")
    return
end if

for i = 1 to 16
    loo_BinData.AppendEncoded("000102030405060708090A0B0C0D0E0F","hex")
next

loo_Compress = create oleobject
li_rc = loo_Compress.ConnectToNewObject("Chilkat_9_5_0.Compression")

loo_Compress.Algorithm = "deflate"
loo_Compress.EncodingMode = "base64"

loo_UncompressedBytes = loo_BinData.GetBinary()

// Compress and return the compressed bytes in base64 format.
ls_CompressedBase64 = loo_Compress.CompressBytesENC(loo_UncompressedBytes)
Write-Debug "compressed and base64 encoded: " + ls_CompressedBase64

// Compress and return in hex format:
loo_Compress.EncodingMode = "hex"
ls_CompressedHex = loo_Compress.CompressBytesENC(loo_UncompressedBytes)
Write-Debug "compressed and hex encoded: " + ls_CompressedHex

// Now decompress..
loo_BinData2 = create oleobject
li_rc = loo_BinData2.ConnectToNewObject("Chilkat_9_5_0.BinData")

// Decompress the base64..
loo_Compress.EncodingMode = "base64"
loo_UncompressedBytes = loo_Compress.DecompressBytesENC(ls_CompressedBase64)
loo_BinData2.AppendBinary(loo_UncompressedBytes)
// Show the uncompressed bytes in hex format:
Write-Debug loo_BinData2.GetEncoded("hex")
Write-Debug "--"

// Decompress the hex..
loo_Compress.EncodingMode = "hex"
loo_UncompressedBytes = loo_Compress.DecompressBytesENC(ls_CompressedHex)
loo_BinData2.Clear()
loo_BinData2.AppendBinary(loo_UncompressedBytes)
// Show the uncompressed bytes in hex format:
Write-Debug loo_BinData2.GetEncoded("hex")
Write-Debug "--"


destroy loo_BinData
destroy loo_Compress
destroy loo_BinData2

 

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