Conversion to RGB
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Conversion to RGB
This step is applied only if the format is LUMINANCE or
LUMINANCE_ALPHA.
If the format is LUMINANCE, then each group of one element is
converted to a group of R, G, and B (three) elements by copying the
original single element into each of the three new elements.
If the format is LUMINANCE_ALPHA,
then each group of two elements is
converted to a group of R, G, B, and A (four) elements by copying the
first original element into each of the first three new elements and
copying the second original element to the A (fourth) new element.
David Blythe
Sat Mar 29 02:23:21 PST 1997
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