Smalltalk/X supports black & white, greyscale and color images with resoulutions of 1, 2, 4, 8 or 24 bits per pixel (*).
For display, images are approximated (i.e. dithered) of the displays capabilities force this. For example, conversion of color images to dithered black & white or greyscale images is done automatically.
Images can be imported in a number of formats; among others, the common formats are supported:
Some image manipulation functionality is already provided by these classes; for example, flip, shrink and magnify (by arbitrary factors).
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