Grayscale image: Difference between revisions
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=={{header|J}}== |
=={{header|J}}== |
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Color bitmap structure and basic |
Color bitmap structure and basic functions for manipulations with it are described [[Basic_bitmap_storage#J|here]]. |
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Grayscale image is stored as two-dimensional array of luminance values. Allowed |
Grayscale image is stored as two-dimensional array of luminance values. Allowed luminance scale is the same as for the color bitmap; the functions below are neutral to scale. |
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<lang j> |
<lang j> |
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