Legacy ImageMagick Discussions Archive

As I mentioned in my initial post, the file can be opened by other programs just fine.

Does this mean that this will not be fixed?

Works fine for me, and for a friend with another dropbox account.

I am trying to convert a PNG file with the following command:

convert problematic.png test.jpg

My version is: (Output of "convert --version")

Version: ImageMagick 6.8.8-5 Q16 x64 2014-02-08 http://www.imagemagick.org
Copyright: Copyright (C) 1999-2014 ImageMagick Studio LLC
Features: DPC ...

It relies on a function in the Windows API called SetErrorMode. I don't know if other OS's have something similar. (Or even a problem that is similar)

Perfect! Thank you very much!

On a sidenote: Is there an overview of all environment variables somewhere?

dlemstra: I agree with you that fixing bugs are important, which is why I sent you those files. Good work on fixing the bug! However you don't seem to have understood what my real problem is. I want to be absolutely sure that a windows crash dialogue requiring user interaction does not pop up ...

Yes, I can share the images but you are totally missing the point. Even if this specific crash should be fixed, there is no guarantee that I will not find another file that causes another crash due to another bug.

I do not agree that it would cause even stranger behavior to suppress the Windows ...

Yes, that is the problem I am trying to solve.

Ideally no ImageMagick component would ever crash, but that is not the case. (I have several files that causes crashes and displays windows crash dialogues) I doubt there will ever be a version that is guaranteed not to crash under any circumstances ...

In windows, you can alter the behavior when your program crashes by calling the SetErrorMode function in the windows API. See: http://msdn.microsoft.com/en-us/library/windows/desktop/ms680621(v=vs.85).aspx

The only way to set this on another process is by inheritance.

Sometimes I would like to ...

Awsome, thanks a bunch!

In what version of IM will this be included? And when can I expect a windows build to be found that includes this?

Hi!

I'm using ImageMagick to read info and convert images in an automated process, and sometimes the reading / conversion fails. This can happen for a number of reasons out of my control, such as corrupt files, corrupt media, access restrictions. Why it fails in the first place is not really ...

magick wrote:Consider calling the JPEG delegate library API directly to extract the JPEG quantization tables. ImageMagick accesses them in the coder/jpeg.c module but they are not exported.

Where can I find this library?

I would like to extract the quantization tables (also referred to as quantization matrices) from JPEG files, is it possible to do this with some imagemagick component?