/* Portions Copyright (C) 2001 artofcode LLC.
   Portions Copyright (C) 1996, 2001 Artifex Software Inc.
   Portions Copyright (C) 1988, 2000 Aladdin Enterprises.
   This software is based in part on the work of the Independent JPEG Group.
   All Rights Reserved.

   This software is distributed under license and may not be copied, modified
   or distributed except as expressly authorized under the terms of that
   license.  Refer to licensing information at http://www.artifex.com/ or
   contact Artifex Software, Inc., 101 Lucas Valley Road #110,
   San Rafael, CA  94903, (415)492-9861, for further information. */
/*$Id: pcuptrn.h 1893 2003-05-02 05:44:20Z henrys $ */

/* pcuptrn.h - interface for PCL and GL/2 user defined patterns */

#ifndef pcuptrn_INCLUDED
#define pcuptrn_INCLUDED

#include "gx.h"
#include "pcommand.h"
#include "pcpatrn.h"

/*
 * Free routine for patterns. This is exported for the benefit of the code
 * that handles PCL built-in patterns.
 */
void pcl_pattern_free_pattern(
    gs_memory_t *   pmem,
    void *          pvptrn,
    client_name_t   cname
);

/*
 * Build a PCL pattern. This is exported for use by the routines supporting
 * built-in patterns.
 */
int pcl_pattern_build_pattern(
    pcl_pattern_t **        pppat_data,
    const gs_depth_bitmap * ppixmap,
    pcl_pattern_type_t      type,
    int                     xres,
    int                     yres,
    gs_memory_t *           pmem
);

/*
 * Get a PCL user-defined pattern. A null return indicates the pattern is
 * not defined.
 */
pcl_pattern_t * pcl_pattern_get_pcl_uptrn(pcl_state_t *pcs, int id);

/*
 * Get a GL/2 user defined pattern. A null return indicates there is no pattern
 * defined for the index.
 */
extern pcl_pattern_t * pcl_pattern_get_gl_uptrn(pcl_state_t *pcs, int indx);

/* pcl_pattern_RF is in pcpatrn.h */

/*
 * External access to the user defined pattern related operators.
 */
extern  const pcl_init_t    pcl_upattern_init;

#endif  	/* pcuptrn_INCLUDED */
