Dimitri Schoolwerth 8529b0b909 Improved palette handling with saving PNG files. ... Instead of converting alpha to a mask an attempt is made to write a palettised PNG file with an ARGB palette using a maximum of 256 transparency values where formerly just up to one was supported. GIF images with 256 colours and transparency can now also be saved as a palettised PNG instead of true colour, making the image a lot smaller. Applied (modified) patch by troelsk. Closes #12850. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@67101 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775		2011-03-01 21:29:17 +00:00
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image.cpp	Improved palette handling with saving PNG files.	2011-03-01 21:29:17 +00:00
rawbmp.cpp	fix a bug in the test which was corrupting 1 byte beyond wxImage buffer	2008-07-23 23:23:23 +00:00