14.6 PKM
Bitmaps suitable for output to the PKM format are generated by drawing to
CMYK contone (with no alpha), and then halftoning down to give 1bpc
cmyk.
/* fz_save_bitmap_as_pkm: Save a 4bpp cmyk bitmap as a PAM image file. */ void fz_save_bitmap_as_pkm(fz_context *ctx, fz_bitmap *bitmap, char *filename); void fz_write_bitmap_as_pkm(fz_context *ctx, fz_output *out, fz_bitmap *bitmap); fz_band_writer *fz_new_pkm_band_writer(fz_context *ctx, fz_output *out);