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Re: Changes in GraphicsMagick-1.3.8


From: Marco Atzeri
Subject: Re: Changes in GraphicsMagick-1.3.8
Date: Thu, 28 Jan 2010 09:57:33 +0000 (GMT)

--- Gio 28/1/10, Benjamin Lindner  ha scritto:

> > Hi,
> > testing GM 1.3.8 versus previous 1.3.7 with octave
> 3.2.4, 
> > I discovered that from this version:
> > 
> > "The InitializeMagick() function MUST be invoked
> before constructing any
> > Magick++ objects".
> > 
> > http://www.graphicsmagick.org/Magick++/index.html
> > http://www.graphicsmagick.org/api/api.html
> > 
> > Otherwise a nice crash will happen.
> > 
> > As I see no InitializeMagick call also in the hg
> source,
> > Where is the best place to put this call within
> __magick_read__.cc ?
> 
> If you build a Windows DLL, then InitializeMagick() is
> automatically 
> called within the DllMain() function when the library is
> loaded
> the first time.
> 
> Take a look at the source code in magick/nt_base.c
> 
> I don't know what will happen if you call it more than
> once, though.
> 
> benjamin

I think nt_base is not build on cygwin. 
magick_libGraphicsMagick_la-nt_base.Plo is just a dummy.

In any case the requirement is valid for the real Unix system.

I will ask the author for suggestion.

Regards
Marco




      




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