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bool get_chroma_key( int colour_idx, kdu_int32 & key_val)
Java: boolean Get_chroma_key( int colour_idx, int[] key_val)
[Declared in "../apps/compressed_io/jp2.h"]
Retrieves the chroma key value, if any, associated with the indicated colour intensity channel. For a discussion of chroma keys, their dangers and limitations, consult the comments appearing with the set_chroma_key function.
True if the colour description includes a chroma key. If so, all colour channels will have a chroma key value, and there will be no opacity or pre-multiplied opacity descriptions.
See the set_colour_mapping function for a description of this argument.
Used to return the chroma key value. See the set_chroma_key function for a description of the key value.
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