Ann: Generic Image Decoder v.01
in [ADA]
|
Prev: Java methods invoking operations in the VDM models+ How to import in eclipse
Next: Gnat GPL 2010 available soon (conditional expressions)
From: Gautier write-only on 26 Jun 2010 05:49 Hello, I have the pleasure to announce the first release of the Generic Image Decoder. The Generic Image Decoder (GID) is an Ada package for decoding a broad variety of image formats, from any data stream, to any kind of medium, be it an in-memory bitmap, a GUI object, some other stream, arrays of floating-point initial data for scientific calculations, a browser element, a device,... Animations are supported. Currently supported formats are: BMP, GIF, JPEG, PNG, TGA. URL: http://gen-img-dec.sf.net/ Enjoy Gautier
From: deadlyhead on 26 Jun 2010 12:56 On Jun 26, 2:49 am, Gautier write-only <gautier_niou...(a)hotmail.com> wrote: > Hello, > I have the pleasure to announce the first release of the Generic Image > Decoder. > > The Generic Image Decoder (GID) is an Ada package for decoding a broad > variety of image formats, from any data stream, to any kind of medium, > be it an in-memory bitmap, a GUI object, some other stream, arrays of > floating-point initial data for scientific calculations, a browser > element, a device,... > Animations are supported. > > Currently supported formats are: BMP, GIF, JPEG, PNG, TGA. > > URL:http://gen-img-dec.sf.net/ > > Enjoy > Gautier Quite excellent. No bindings, eh? I'm impressed. Is it mostly translations? For instance, did you translate the libpng for the PNG encoding? I'll try it out soon. --deadlyhead
From: Gautier write-only on 26 Jun 2010 16:47 On 26 juin, 18:56, deadlyhead <deadlyh...(a)gmail.com> wrote: > Quite excellent. Thanks - but try it first ;-) > No bindings, eh? I'm impressed. Is it mostly translations? For > instance, did you translate the libpng for the PNG encoding? JPEG is mostly translated from NanoJPEG; the rest has been written from scratch, with a good part of re-use from other Ada sources. For instance the PNG decompression is taken from the Zip-Ada sources; the GIF decompression is a contribution. > I'll try it out soon. I'd be glad to have some feedbacks. G.
From: deadlyhead on 27 Jun 2010 15:29 On Jun 26, 1:47 pm, Gautier write-only <gautier_niou...(a)hotmail.com> wrote: > I'd be glad to have some feedbacks. > > G. A quick note. I just tried compiling this package with a GNAT compiler built from the gcc 4.4.2 sources and the GNU binutils package and got the classic `cannot find libaddr2line.a' error. I understand that this library comes with the binutils supplied by AdaCore with their binaries and sources, but I prefer to build my compilers from the actual GNU sources if at all possible. Searching comp.lang.ada, I've come to understand that in more recent GNAT versions (later than GNAT 2009?), and hopefully more recent GCCs (i.e. gcc 4.5.0), GNAT no longer needs libaddr2line[1]. I'm compiling a new gcc right now. Hopefully this will fix the problem. I'll let you know. -- deadlyhead [1] http://groups.google.com/group/comp.lang.ada/msg/b9e4af2e1e4b55b6
From: Simon Wright on 27 Jun 2010 17:09
deadlyhead <deadlyhead(a)gmail.com> writes: > Searching comp.lang.ada, I've come to understand that in more recent > GNAT versions (later than GNAT 2009?), and hopefully more recent GCCs > (i.e. gcc 4.5.0), GNAT no longer needs libaddr2line[1]. I'm compiling > a new gcc right now. Hopefully this will fix the problem. I'll let > you know. On Mac OS X, GCC 4.5.0's GNAT.Traceback.Symbolic says -- Version used on unimplemented targets -- Run-time symbolic traceback is currently supported on the -- following targets: -- HP-UX -- IRIX -- GNU/Linux x86 -- AIX -- Solaris sparc -- Tru64 -- OpenVMS/Alpha -- Windows NT/XP/Vista -- This version is used on all other targets, it generates a warning -- at compile time if it is with'ed, and the bodies generate -- messages saying that the functions are not implemented. The working version (g-trasym.adb) in the 4.5.0 sources includes package body GNAT.Traceback.Symbolic is pragma Linker_Options ("-laddr2line"); pragma Linker_Options ("-lbfd"); pragma Linker_Options ("-liberty"); and hasn't changed on trunk. Maybe GNAT GPL 2010 will have the promised change ... Anyway, you should be able to find where GNAT.Traceback.Symbolic is referenced, usually in the main program, and revert to plain (hex) tracebacks. |