harvey/sys/src/cmd/gs/src/sdcparam.h

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/*$Id: sdcparam.h,v 1.2 2000/09/19 19:00:49 lpd Exp $ */
/* DCT filter parameter setting and reading interface */

#ifndef sdcparam_INCLUDED
#  define sdcparam_INCLUDED

/*
 * All of these procedures are defined in sdcparam.c and are only for
 * internal use (by sddparam.c and sdeparam.c), so they are not
 * documented here.
 */

int s_DCT_get_params(P3(gs_param_list * plist, const stream_DCT_state * ss,
			const stream_DCT_state * defaults));
int s_DCT_get_quantization_tables(P4(gs_param_list * plist,
				     const stream_DCT_state * pdct,
				     const stream_DCT_state * defaults,
				     bool is_encode));
int s_DCT_get_huffman_tables(P4(gs_param_list * plist,
				const stream_DCT_state * pdct,
				const stream_DCT_state * defaults,
				bool is_encode));

int s_DCT_byte_params(P5(gs_param_list * plist, gs_param_name key, int start,
			 int count, UINT8 * pvals));
int s_DCT_put_params(P2(gs_param_list * plist, stream_DCT_state * pdct));
int s_DCT_put_quantization_tables(P3(gs_param_list * plist,
				     stream_DCT_state * pdct,
				     bool is_encode));
int s_DCT_put_huffman_tables(P3(gs_param_list * plist, stream_DCT_state * pdct,
				bool is_encode));

#endif /* sdcparam_INCLUDED */