How to extract frames from a GIF file preserving frame dimensions

I have the following GIF image file:

I want to extract its frames (using PGM output format) using this imagemagick command:

convert brocoli.gif out%05d.pgm

But each frame has a different size.

How can I extract its frames while preserving the original gif file size?


Use the -coalesce option:

convert -coalesce brocoli.gif out%05d.pgm

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EnumProcesses() vs CreateToolhelp32Snapshot()

c++ c windows winapi

I was wondering if there are any differences - mostly performance wise - between the two Win32 API functions EnumProcesses() and CreateToolhelp32Snapshot() for enumerating all active processes and ...