The Generic Image Library (GIL) is a C++ library that abstracts image representations from algorithms and allows writing code that can work on a variety of images with performance similar to hand-writing for a specific image type.

Sample files

x_gradient.cpp: Writing an algorithm that operates on generic images
dynamic_image.cpp: Using images whose properties (color space, channel type) are specified at run time
histogram.cpp: Creating a histogram
interleaved_ptr.cpp, interleaved_ptr.hpp, interleaved_ref.hpp: Creating your own pixel reference and pixel iterator
mandelbrot.cpp: Creating a synthetic image defined by a function
packed_pixel.cpp: Defining bitmasks and images whose channels or pixels are not byte-aligned
resize.cpp: Rescaling an image using bilinear sampling (requires the optional Numeric extension)
affine.cpp: Applying an affine transformation to an image (requires the optional Numeric extension)
convolution.cpp: Blurring images (requires the optional Numeric extension)