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- /* Copyright (C) 1989, 1995, 1996, 1997 Aladdin Enterprises. All rights reserved.
-
- This file is part of Aladdin Ghostscript.
-
- Aladdin 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 Ghostscript Free Public
- License (the "License") for full details.
-
- Every copy of Aladdin 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 Aladdin 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.
- */
-
- /* gzstate.h */
- /* Private graphics state definition for Ghostscript library */
- #include "gscpm.h"
- #include "gxdcolor.h"
- #include "gxistate.h"
- #include "gsstate.h"
- #include "gxstate.h"
-
- /* Opaque types referenced by the graphics state. */
- #ifndef gs_font_DEFINED
- # define gs_font_DEFINED
- typedef struct gs_font_s gs_font;
- #endif
-
- /*
- * We allocate a large subset of the graphics state as a single object.
- * Its type is opaque here, defined in gsstate.c.
- * The components marked with @ must be allocated in the contents.
- * (Consult gsstate.c for more details about gstate storage management.)
- */
- typedef struct gs_state_contents_s gs_state_contents;
-
- /* Graphics state structure. */
-
- struct gs_state_s {
- gs_imager_state_common; /* imager state, must be first */
- gs_state *saved; /* previous state from gsave */
- gs_state_contents *contents;
-
- /* 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: */
-
- struct gx_path_s *path;
- struct gx_clip_path_s *clip_path; /* @ */
- int clip_rule;
- bool clamp_coordinates; /* if true, clamp out-of-range */
- /* coordinates; if false, */
- /* report a limitcheck */
-
- /* Color (device-independent): */
-
- struct gs_color_space_s *color_space;
- struct gs_client_color_s *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 */
- byte in_cachedevice; /* 0 if not in setcachedevice, */
- /* 1 if in setcachedevice but not */
- /* actually caching, */
- /* 2 if in setcachedevice and */
- /* actually caching */
- 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)
-
- /* Client data: */
-
- void *client_data;
- #define gs_state_client_data(pgs) ((pgs)->client_data)
- gs_state_client_procs client_procs;
- };
- #define private_st_gs_state() /* in gsstate.c */\
- gs_private_st_composite(st_gs_state, gs_state, "gs_state",\
- gs_state_enum_ptrs, gs_state_reloc_ptrs)
-