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- /* Copyright (C) 1989, 1995, 1996, 1997, 1998, 1999 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: gzstate.h,v 1.3 2000/09/19 19:00:41 lpd Exp $ */
- /* Private graphics state definition for Ghostscript library */
-
- #ifndef gzstate_INCLUDED
- # define gzstate_INCLUDED
-
- #include "gscpm.h"
- #include "gscspace.h"
- #include "gsrefct.h"
- #include "gxdcolor.h"
- #include "gxistate.h"
- #include "gsstate.h"
- #include "gxstate.h"
-
- /* Opaque types referenced by the graphics state. */
- #ifndef gx_path_DEFINED
- # define gx_path_DEFINED
- typedef struct gx_path_s gx_path;
- #endif
- #ifndef gx_clip_path_DEFINED
- # define gx_clip_path_DEFINED
- typedef struct gx_clip_path_s gx_clip_path;
- #endif
- #ifndef gx_clip_stack_DEFINED
- # define gx_clip_stack_DEFINED
- typedef struct gx_clip_stack_s gx_clip_stack_t;
- #endif
- #ifndef gs_color_space_DEFINED
- # define gs_color_space_DEFINED
- typedef struct gs_color_space_s gs_color_space;
- #endif
- #ifndef gs_client_color_DEFINED
- # define gs_client_color_DEFINED
- typedef struct gs_client_color_s gs_client_color;
- #endif
- #ifndef gs_font_DEFINED
- # define gs_font_DEFINED
- typedef struct gs_font_s gs_font;
- #endif
- #ifndef gs_transparency_group_DEFINED
- # define gs_transparency_group_DEFINED
- typedef struct gs_transparency_group_s gs_transparency_group_t;
- #endif
-
- /* Graphics state structure. */
-
- struct gs_state_s {
- gs_imager_state_common; /* imager state, must be first */
- gs_state *saved; /* previous state from gsave */
-
- /* Transformation: */
-
- gs_matrix ctm_inverse;
- bool ctm_inverse_valid; /* true if ctm_inverse = ctm^-1 */
- gs_matrix ctm_default;
- bool ctm_default_set; /* if true, use ctm_default; */
- /* if false, ask device */
-
- /* Paths: */
-
- gx_path *path;
- gx_clip_path *clip_path;
- gx_clip_stack_t *clip_stack; /* (LanguageLevel 3 only) */
- gx_clip_path *view_clip; /* (may be 0, or have rule = 0) */
- bool clamp_coordinates; /* if true, clamp out-of-range */
- /* coordinates; if false, */
- /* report a limitcheck */
- /* Effective clip path cache */
- gs_id effective_clip_id; /* (key) clip path id */
- gs_id effective_view_clip_id; /* (key) view clip path id */
- gx_clip_path *effective_clip_path; /* (value) effective clip path, */
- /* possibly = clip_path or view_clip */
- bool effective_clip_shared; /* true iff e.c.p. = c.p. or v.c. */
-
- /* Color (device-independent): */
-
- gs_color_space_index /* before substitution */
- orig_cspace_index, orig_base_cspace_index;
- gs_color_space *color_space; /* after substitution */
- gx_device_color_spaces_t device_color_spaces; /* substituted spaces */
- gs_client_color *ccolor;
-
- /* Color caches: */
-
- gx_device_color *dev_color;
-
- /* Font: */
-
- gs_font *font;
- gs_font *root_font;
- gs_matrix_fixed char_tm; /* font matrix * ctm */
- #define char_tm_only(pgs) *(gs_matrix *)&(pgs)->char_tm
- bool char_tm_valid; /* true if char_tm is valid */
- gs_in_cache_device_t in_cachedevice; /* (see gscpm.h) */
- gs_char_path_mode in_charpath; /* (see gscpm.h) */
- gs_state *show_gstate; /* gstate when show was invoked */
- /* (so charpath can append to path) */
-
- /* Other stuff: */
-
- int level; /* incremented by 1 per gsave */
- gx_device *device;
- #undef gs_currentdevice_inline
- #define gs_currentdevice_inline(pgs) ((pgs)->device)
- gs_transparency_group_t *transparency_group_stack; /* (PDF 1.4 only) */
-
- /* Client data: */
-
- /*void *client_data;*/ /* in imager state */
- #define gs_state_client_data(pgs) ((pgs)->client_data)
- gs_state_client_procs client_procs;
- };
-
- #define public_st_gs_state() /* in gsstate.c */\
- gs_public_st_composite(st_gs_state, gs_state, "gs_state",\
- gs_state_enum_ptrs, gs_state_reloc_ptrs)
-
- #endif /* gzstate_INCLUDED */
-