Description
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GRwritelut writes a palette with the number of pixel components specified by the parameter ncomp, the data type of the palette data specified by the parameter data_type, the interlace mode specified by the parameter interlace_mode, and the number of entries in the palette specified by the parameter num_entries. The palette data itself is stored in the pal_data buffer. Currently only "old-style" palettes are supported, i.e ncomp = 3, num_entries = 256, data_type = uint8.
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