home *** CD-ROM | disk | FTP | other *** search
- /* Copyright (C) 1992, 1993 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.
- */
-
- /* gscolor2.h */
- /* Client interface to Level 2 color facilities */
- /* (requires gscspace.h, gsmatrix.h) */
- #include "gsccolor.h"
- #include "gsuid.h" /* for pattern template */
-
- /* Note: clients should use rc_alloc_struct_0 (in gsrefct.h) to allocate */
- /* CIE color spaces or rendering structures; makepattern uses */
- /* rc_alloc_struct_1 to allocate pattern instances. */
-
- /* General color routines */
- const gs_color_space *gs_currentcolorspace(P1(const gs_state *));
- int gs_setcolorspace(P2(gs_state *, gs_color_space *));
- const gs_client_color *gs_currentcolor(P1(const gs_state *));
- int gs_setcolor(P2(gs_state *, const gs_client_color *));
- int gs_currentoverprint(P1(const gs_state *));
- void gs_setoverprint(P2(gs_state *, int));
-
- /* CIE-specific routines */
- #ifndef gs_cie_render_DEFINED
- # define gs_cie_render_DEFINED
- typedef struct gs_cie_render_s gs_cie_render;
- #endif
- const gs_cie_render *gs_currentcolorrendering(P1(const gs_state *));
- int gs_setcolorrendering(P2(gs_state *, gs_cie_render *));
-
- /* Pattern template */
- typedef struct gs_client_pattern_s {
- gs_uid uid; /* XUID or nothing */
- int PaintType;
- int TilingType;
- gs_rect BBox;
- float XStep;
- float YStep;
- int (*PaintProc)(P2(const gs_client_color *, gs_state *));
- void *client_data; /* additional client data */
- } gs_client_pattern;
- #define private_st_client_pattern() /* in gspcolor.c */\
- gs_private_st_ptrs1(st_client_pattern, gs_client_pattern,\
- "client pattern", client_pattern_enum_ptrs, client_pattern_reloc_ptrs,\
- client_data)
- #define st_client_pattern_max_ptrs 1
-
- /* Pattern-specific routines */
- int gs_makepattern(P4(gs_client_color *, const gs_client_pattern *, const gs_matrix *, gs_state *));
- int gs_setpattern(P2(gs_state *, const gs_client_color *));
- int gs_setpatternspace(P1(gs_state *));
- const gs_client_pattern *gs_getpattern(P1(const gs_client_color *));
-