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- /* Copyright (C) 1997, 1998, 2000 Aladdin Enterprises. All rights reserved.
-
- This file is part of AFPL Ghostscript.
-
- AFPL Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author or
- distributor accepts any responsibility for the consequences of using it, or
- for whether it serves any particular purpose or works at all, unless he or
- she says so in writing. Refer to the Aladdin Free Public License (the
- "License") for full details.
-
- Every copy of AFPL Ghostscript must include a copy of the License, normally
- in a plain ASCII text file named PUBLIC. The License grants you the right
- to copy, modify and redistribute AFPL Ghostscript, but only under certain
- conditions described in the License. Among other things, the License
- requires that the copyright notice and this notice be preserved on all
- copies.
- */
-
- /*$Id: gstrap.h,v 1.3 2000/09/19 19:00:33 lpd Exp $ */
- /* Definitions for trapping parameters and zones */
-
- #ifndef gstrap_INCLUDED
- # define gstrap_INCLUDED
-
- #include "gsparam.h"
-
- /* ---------------- Types and structures ---------------- */
-
- /* Opaque type for a path */
- #ifndef gx_path_DEFINED
- # define gx_path_DEFINED
- typedef struct gx_path_s gx_path;
-
- #endif
-
- /* Define the placement of image traps. */
- typedef enum {
- tp_Center,
- tp_Choke,
- tp_Spread,
- tp_Normal
- } gs_trap_placement_t;
-
- #define gs_trap_placement_names\
- "Center", "Choke", "Spread", "Normal"
-
- /* Define a trapping parameter set. */
- typedef struct gs_trap_params_s {
- float BlackColorLimit; /* 0-1 */
- float BlackDensityLimit; /* > 0 */
- float BlackWidth; /* > 0 */
- /* ColorantZoneDetails; */
- bool Enabled;
- /* HalftoneName; */
- bool ImageInternalTrapping;
- bool ImagemaskTrapping;
- int ImageResolution;
- bool ImageToObjectTrapping;
- gs_trap_placement_t ImageTrapPlacement;
- float SlidingTrapLimit; /* 0-1 */
- float StepLimit; /* 0-1 */
- float TrapColorScaling; /* 0-1 */
- float TrapWidth; /* > 0 */
- } gs_trap_params_t;
-
- /* Define a trapping zone. ****** SUBJECT TO CHANGE ****** */
- typedef struct gs_trap_zone_s {
- gs_trap_params_t params;
- gx_path *zone;
- } gs_trap_zone_t;
-
- /* ---------------- Procedures ---------------- */
-
- int gs_settrapparams(P2(gs_trap_params_t * params, gs_param_list * list));
-
- #endif /* gstrap_INCLUDED */
-