Hi,
Hal V. Engel wrote:
I need to do some design work and also figure out what libraries will best
serve my needs. One thing I would like to find is a library that supports
loading image data of any type (with in reason jpeg, tiff, bmp, png...) into
a buffer and that has functions for getting the rgb values for each pixel in
the buffer as well as functions that will tell me things like the color depth
and size of the image. It would also be great if this library was commonly
available, widely used and it must be cross platform capable (Unix, BSD,
Linux, Windows and Mac). I would also like it to be light weight. Anyone
have any ideas about possible candidates that I can look into?
You might find the image loading code from my PhotoPrint application
useful (for reference if nothing else!)
http://www.blackfiveservices.co.uk/PhotoPrint/About.shtml
The "ImageSource" class and subclasses are wrappers for various image
libraries (libjpeg, libtiff, libpnm, a simple BMP loader and a GS
wrapper for PS/PDF). It won't allow you to detect the image's bit
depth; instead it promotes all data to 16-bit.
PNG is not yet supported, but if GdkPixBuf if available it can use that
to load "alien" formats.
I don't know you're reading the image data, but my loaders aren't really
intended for random access - they're optimised for sequential access of
extremely large images with a small memory footprint.
Feel free to take a look and ask if you want anything clarified :)
All the best,
--
Alastair M. Robinson
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