[gs-bugs] [Bug 691451] Regression in pngalpha output between 8.71 and head (r11502)

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Sun Jul 11 23:52:24 UTC 2010


http://bugs.ghostscript.com/show_bug.cgi?id=691451

--- Comment #1 from pipitas at googlemail.com 2010-07-11 23:52:23 UTC ---
Created an attachment (id=6453)
 --> (http://bugs.ghostscript.com/attachment.cgi?id=6453)
This PDF can be used to reproduce a regression with output device pngalpha..

Using these commands to produce 2 different PNG files:

1. with GS release 8.71:
------------------------
   gswin32.exe ^
       -dNOPAUSE -dBATCH ^
       -sDEVICE=pngalpha ^
       -r72 ^
       -sOutputFile=release8.71-pngalpha-nobug.png ^
       -f svn-r11502-pngalpha-bug.pdf

2. with GS head (SVN r11502):
-----------------------------
   C:\downloads\svn.ghostscript.com.ghostpdl\gs\debugbin\gswin32.exe ^
       -dNOPAUSE -dBATCH ^
       -sDEVICE=pngalpha ^
       -r72 ^
       -sOutputFile=release8.71-pngalpha-nobug.png ^
       -f svn-r11502-pngalpha-bug.pdf

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