On Thursday 12 February 2004 2:03 pm, Andreas Raab wrote:
> This is now v3 which fixes a bad, bad CRC issue, adds CRC validation and
> hopefully fixes the byte-sex problems.

Some fixes for the PNG reading and writing enhancements from Andreas:

* don't crash Squeak when performing tests (fixed in Zlib writer).

* generate Adler32 checksum in compressed image chunks so other programs can 
read Squeak's PNG files.

* verify Adler32 checksum in compressed image chunks to detect corruption.

* modify test suite so that if you have the PngSuite.zip installed we also 
check for detection of corrupted files.

Passes all the tests, including the PngSuite.zip ones.

-- 
Ned Konz
http://bike-nomad.com/squeak/
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