projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| cee1d2b1 WJ |
1 | /* Copyright (C) 1989, 1990, 1991 Aladdin Enterprises. All rights reserved. |
| 2 | Distributed by Free Software Foundation, Inc. | |
| 3 | ||
| 4 | This file is part of Ghostscript. | |
| 5 | ||
| 6 | Ghostscript is distributed in the hope that it will be useful, but | |
| 7 | WITHOUT ANY WARRANTY. No author or distributor accepts responsibility | |
| 8 | to anyone for the consequences of using it or for whether it serves any | |
| 9 | particular purpose or works at all, unless he says so in writing. Refer | |
| 10 | to the Ghostscript General Public License for full details. | |
| 11 | ||
| 12 | Everyone is granted permission to copy, modify and redistribute | |
| 13 | Ghostscript, but only under the conditions described in the Ghostscript | |
| 14 | General Public License. A copy of this license is supposed to have been | |
| 15 | given to you along with Ghostscript so you can know your rights and | |
| 16 | responsibilities. It should be in a file named COPYING. Among other | |
| 17 | things, the copyright notice and this notice must be preserved on all | |
| 18 | copies. */ | |
| 19 | ||
| 20 | /* gzstate.h */ | |
| 21 | /* Private graphics state definition for Ghostscript library */ | |
| 22 | /* Requires gxmatrix.h and gxfixed.h */ | |
| 23 | #include "gsstate.h" | |
| 24 | ||
| 25 | /* Graphics state structure. See pp. 59-60 of the PostScript manual. */ | |
| 26 | struct gs_state_s { | |
| 27 | gs_state *saved; /* previous state from gsave */ | |
| 28 | gs_memory_procs memory_procs; | |
| 29 | /* Transformation: */ | |
| 30 | gs_matrix_fixed ctm; | |
| 31 | #define ctm_only(pgs) *(gs_matrix *)&(pgs)->ctm | |
| 32 | gs_matrix ctm_inverse; | |
| 33 | int inverse_valid; /* true if ctm_inverse = ctm^-1 */ | |
| 34 | /* Paths: */ | |
| 35 | struct gx_path_s *path; | |
| 36 | struct gx_clip_path_s *clip_path; | |
| 37 | int clip_rule; | |
| 38 | /* Lines: */ | |
| 39 | struct line_params_s *line_params; | |
| 40 | /* Halftone screen: */ | |
| 41 | struct halftone_params_s *halftone; | |
| 42 | float (*ht_proc)(P2(floatp, floatp)); | |
| 43 | gs_int_point ht_phase; | |
| 44 | gs_int_point phase_mod; /* negated phase mod tile size */ | |
| 45 | /* Colors: */ | |
| 46 | struct gs_color_s *color; | |
| 47 | struct gx_device_color_s *dev_color; | |
| 48 | struct gx_transfer_s *transfer; | |
| 49 | /* Font: */ | |
| 50 | struct gs_font_s *font; | |
| 51 | gs_matrix char_tm; /* font matrix * ctm */ | |
| 52 | int char_tm_valid; /* true if char_tm is valid */ | |
| 53 | byte in_cachedevice; /* true after a setcachedevice */ | |
| 54 | byte in_charpath; /* 0 if not in charpath, */ | |
| 55 | /* 1 if false charpath, */ | |
| 56 | /* 2 if true charpath */ | |
| 57 | /* (see charpath_flag in */ | |
| 58 | /* gs_show_enum_s) */ | |
| 59 | /* Other stuff: */ | |
| 60 | int level; /* incremented by 1 per gsave */ | |
| 61 | float flatness; | |
| 62 | int stroke_adjust; | |
| 63 | struct device_s *device; | |
| 64 | int device_is_shared; /* true if device is shared, */ | |
| 65 | /* so don't deallocate at grestore */ | |
| 66 | }; |