diff options
Diffstat (limited to 'gs/src/gxistate.h')
| -rw-r--r-- | gs/src/gxistate.h | 151 |
1 files changed, 90 insertions, 61 deletions
diff --git a/gs/src/gxistate.h b/gs/src/gxistate.h index 4a76c141a..118c983db 100644 --- a/gs/src/gxistate.h +++ b/gs/src/gxistate.h @@ -1,28 +1,29 @@ -/* Copyright (C) 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. -*/ - -/* gxistate.h */ +/* Copyright (C) 1995, 1996, 1997, 1998 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. + */ + +/*Id: gxistate.h */ /* Imager state definition */ #ifndef gxistate_INCLUDED # define gxistate_INCLUDED #include "gscsel.h" +#include "gsrefct.h" #include "gsropt.h" #include "gxcvalue.h" #include "gxfixed.h" @@ -36,28 +37,28 @@ * as we come to understand better the boundary between the imager and * the interpreter. In particular, the imager state currently INCLUDES * the following: - * line parameters: cap, join, miter limit, dash pattern - * transformation matrix (CTM) - * logical operation: RasterOp, transparency - * color modification: alpha, rendering algorithm - * overprint flag - * rendering tweaks: flatness, fill adjustment, stroke adjust flag, - * accurate curves flag - * color rendering information: - * halftone, halftone phases - * transfer functions - * black generation, undercolor removal - * CIE rendering tables - * halftone and pattern caches + * line parameters: cap, join, miter limit, dash pattern + * transformation matrix (CTM) + * logical operation: RasterOp, transparency + * color modification: alpha, rendering algorithm + * overprint flag + * rendering tweaks: flatness, fill adjustment, stroke adjust flag, + * accurate curves flag, shading smoothness + * color rendering information: + * halftone, halftone phases + * transfer functions + * black generation, undercolor removal + * CIE rendering tables + * halftone and pattern caches * The imager state currently EXCLUDES the following: - * graphics state stack - * default CTM - * path - * clipping path - * color specification: color, color space - * font - * device - * caches for many of the above + * graphics state stack + * default CTM + * path + * clipping path + * color specification: color, color space + * font + * device + * caches for many of the above */ /* @@ -70,38 +71,41 @@ #ifndef gs_halftone_DEFINED # define gs_halftone_DEFINED typedef struct gs_halftone_s gs_halftone; + #endif #ifndef gx_device_color_DEFINED # define gx_device_color_DEFINED typedef struct gx_device_color_s gx_device_color; + #endif #ifndef gx_device_halftone_DEFINED # define gx_device_halftone_DEFINED typedef struct gx_device_halftone_s gx_device_halftone; + #endif /* * We need some special memory management for the components of a * c.r. state, as indicated by the following notations on the elements: - * (RC) means the element is reference-counted. - * (Shared) means the element is shared among an arbitrary number of - * c.r. states and is never freed. - * (Owned) means exactly one c.r. state references the element, - * and it is guaranteed that no references to it will outlive - * the c.r. state itself. + * (RC) means the element is reference-counted. + * (Shared) means the element is shared among an arbitrary number of + * c.r. states and is never freed. + * (Owned) means exactly one c.r. state references the element, + * and it is guaranteed that no references to it will outlive + * the c.r. state itself. */ /* Define the interior structure of a transfer function. */ typedef struct gx_transfer_colored_s { - /* The components must be in this order: */ - gx_transfer_map *red; /* (RC) */ - gx_transfer_map *green; /* (RC) */ - gx_transfer_map *blue; /* (RC) */ - gx_transfer_map *gray; /* (RC) */ + /* The components must be in this order: */ + gx_transfer_map *red; /* (RC) */ + gx_transfer_map *green; /* (RC) */ + gx_transfer_map *blue; /* (RC) */ + gx_transfer_map *gray; /* (RC) */ } gx_transfer_colored; typedef union gx_transfer_s { - gx_transfer_map *indexed[4]; /* (RC) */ - gx_transfer_colored colored; + gx_transfer_map *indexed[4]; /* (RC) */ + gx_transfer_colored colored; } gx_transfer; #define gs_color_rendering_state_common\ @@ -138,7 +142,7 @@ typedef union gx_transfer_s { /* The contents of pattern_cache depend on the */\ /* the color space and the device's color_info and */\ /* resolution. */\ - struct gx_pattern_cache_s *pattern_cache /* (Shared) by all gstates */ + struct gx_pattern_cache_s *pattern_cache /* (Shared) by all gstates */ /* * Enumerate the reference-counted pointers in a c.r. state. Note that @@ -163,9 +167,31 @@ typedef union gx_transfer_s { m(14,cie_joint_caches) m(15,pattern_cache) #define st_cr_state_num_ptrs 16 +/* + * Define constant values that can be allocated once and shared among + * all imager states in an address space. + */ +#ifndef gs_color_space_DEFINED +# define gs_color_space_DEFINED +typedef struct gs_color_space_s gs_color_space; + +#endif +typedef struct gs_imager_state_shared_s { + rc_header rc; + gs_color_space *cs_DeviceGray; + gs_color_space *cs_DeviceRGB; + gs_color_space *cs_DeviceCMYK; +} gs_imager_state_shared_t; + +#define private_st_imager_state_shared() /* in gsstate.c */\ + gs_private_st_ptrs3(st_imager_state_shared, gs_imager_state_shared_t,\ + "gs_imager_state_shared", imager_state_shared_enum_ptrs,\ + imager_state_shared_reloc_ptrs, cs_DeviceGray, cs_DeviceRGB, cs_DeviceCMYK) + /* Define the imager state structure itself. */ #define gs_imager_state_common\ gs_memory_t *memory;\ + gs_imager_state_shared_t *shared;\ gx_line_params line_params;\ gs_matrix_fixed ctm;\ gs_logical_operation_t log_op;\ @@ -175,9 +201,11 @@ typedef union gx_transfer_s { gs_fixed_point fill_adjust; /* fattening for fill */\ bool stroke_adjust;\ bool accurate_curves;\ + float smoothness;\ gs_color_rendering_state_common +#define gs_imager_state_shared(pis, elt) ((pis)->shared->elt) #define st_imager_state_num_ptrs\ - (st_line_params_num_ptrs + st_cr_state_num_ptrs) + (st_line_params_num_ptrs + st_cr_state_num_ptrs + 1) /* Access macros */ #define ctm_only(pis) (*(const gs_matrix *)&(pis)->ctm) #define ctm_only_writable(pis) (*(gs_matrix *)&(pis)->ctm) @@ -188,18 +216,19 @@ typedef union gx_transfer_s { #ifndef gs_imager_state_DEFINED # define gs_imager_state_DEFINED typedef struct gs_imager_state_s gs_imager_state; + #endif struct gs_imager_state_s { - gs_imager_state_common; + gs_imager_state_common; }; /* Initialization for gs_imager_state */ #define gs_imager_state_initial(scale)\ - 0, { gx_line_params_initial },\ + 0, 0, { gx_line_params_initial },\ { scale, 0.0, 0.0, -(scale), 0.0, 0.0 },\ lop_default, gx_max_color_value, 0/*false*/, 1.0,\ - { fixed_half, fixed_half }, 0/*false*/, 0/*false*/ + { fixed_half, fixed_half }, 0/*false*/, 0/*false*/, 1.0 #define private_st_imager_state() /* in gsstate.c */\ gs_private_st_composite(st_imager_state, gs_imager_state, "gs_imager_state",\ @@ -208,9 +237,9 @@ struct gs_imager_state_s { /* Initialize an imager state, other than the parts covered by */ /* gs_imager_state_initial. */ /* The halftone, dev_ht, and ht_cache elements are not set or used. */ -int gs_imager_state_initialize(P2(gs_imager_state *pis, gs_memory_t *mem)); +int gs_imager_state_initialize(P2(gs_imager_state * pis, gs_memory_t * mem)); /* Release an imager state. */ -void gs_imager_state_release(P1(gs_imager_state *pis)); +void gs_imager_state_release(P1(gs_imager_state * pis)); -#endif /* gxistate_INCLUDED */ +#endif /* gxistate_INCLUDED */ |