Models [Pixel] Detailed Description Pixel models. Modules   bit_aligned_pixel_reference   A heterogeneous pixel reference used to represent non-byte-aligned pixels. Models PixelConcept.   packed_pixel   A heterogeneous pixel used to represent packed pixels with non-byte-aligned channels. Models PixelValueConcept.   pixel   A homogeneous pixel value. Models HomogeneousPixelValueConcept.   planar_pixel_reference   A reference proxy to a planar pixel. Models HomogeneousColorBaseConcept, HomogeneousPixelConcept.