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Diffstat (limited to 'base/spsdf.h')
| -rw-r--r-- | base/spsdf.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/base/spsdf.h b/base/spsdf.h new file mode 100644 index 000000000..0d30cde2c --- /dev/null +++ b/base/spsdf.h @@ -0,0 +1,82 @@ +/* Copyright (C) 2001-2012 Artifex Software, Inc. + All Rights Reserved. + + This software is provided AS-IS with no warranty, either express or + implied. + + This software is distributed under license and may not be copied, + modified or distributed except as expressly authorized under the terms + of the license contained in the file LICENSE in this distribution. + + Refer to licensing information at http://www.artifex.com or contact + Artifex Software, Inc., 7 Mt. Lassen Drive - Suite A-134, San Rafael, + CA 94903, U.S.A., +1(415)492-9861, for further information. +*/ + + +/* Common output syntax and parameters for PostScript and PDF writers */ + +#ifndef spsdf_INCLUDED +# define spsdf_INCLUDED + +#include "gsparam.h" + +/* Define an opaque type for streams. */ +#ifndef stream_DEFINED +# define stream_DEFINED +typedef struct stream_s stream; +#endif + +/* ---------------- Symbolic data printing ---------------- */ + +/* Print a PostScript string in the most efficient form. */ +#define PRINT_BINARY_OK 1 +#define PRINT_ASCII85_OK 2 +#define PRINT_HEX_NOT_OK 4 +void s_write_ps_string(stream * s, const byte * str, uint size, int print_ok); + +/* + * Create a stream that just keeps track of how much has been written + * to it. We use this for measuring data that will be stored rather + * than written to an actual stream. + */ +int s_alloc_position_stream(stream ** ps, gs_memory_t * mem); + +/* + * Create/release a parameter list for printing (non-default) filter + * parameters. This should probably migrate to a lower level.... + */ +typedef struct param_printer_params_s { + const char *prefix; /* before entire object, if any params */ + const char *suffix; /* after entire object, if any params */ + const char *item_prefix; /* before each param */ + const char *item_suffix; /* after each param */ + int print_ok; +} param_printer_params_t; +/* + * The implementation structure should be opaque, but there are a few + * clients that need to be able to stack-allocate it. + */ +typedef struct printer_param_list_s { + gs_param_list_common; + stream *strm; + param_printer_params_t params; + bool any; +} printer_param_list_t; +#define private_st_printer_param_list() /* in spsdf.c */\ + gs_private_st_ptrs1(st_printer_param_list, printer_param_list_t,\ + "printer_param_list_t", printer_plist_enum_ptrs, printer_plist_reloc_ptrs,\ + strm) + +#define param_printer_params_default_values 0, 0, 0, "\n", 0 +extern const param_printer_params_t param_printer_params_default; +int s_alloc_param_printer(gs_param_list ** pplist, + const param_printer_params_t * ppp, stream * s, + gs_memory_t * mem); +void s_free_param_printer(gs_param_list * plist); +/* Initialize or release a list without allocating or freeing it. */ +int s_init_param_printer(printer_param_list_t *prlist, + const param_printer_params_t * ppp, stream * s); +void s_release_param_printer(printer_param_list_t *prlist); + +#endif /* spsdf_INCLUDED */ |