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By
"non-texturizing" I mean those effects which,
first, do not move the pixels of the original
image around and, second, do not change a
pixel's state based on information from other
pixels. What these effects are allowed to do is
to change the color of a pixel as a function of
that same pixel's original color. This includes
adjusting image's hue, saturation, or
brightness, as well as cropping, cutting objects
out of the background, and other basic image
editing operations. If we take two source
images instead of one, then in this class also
belong various combinations of images, including
semi-transparent overlaying. As a rule, the
texture of the image is kept unchanged in these
transformations (except for the case when some
part of the image is completely "turned off,"
i.e. reduced to flat background color).
Remember that the two most common texture
types, flat color and photographic textures,
are readily available in the source elements
of your composition, so there's rarely a
need to additionally texturize them with
graphic effects
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