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- /* Copyright (C) 1992, 1993 Aladdin Enterprises. All rights reserved.
-
- This file is part of Ghostscript.
-
- Ghostscript is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
- to anyone for the consequences of using it or for whether it serves any
- particular purpose or works at all, unless he says so in writing. Refer
- to the Ghostscript General Public License for full details.
-
- Everyone is granted permission to copy, modify and redistribute
- Ghostscript, but only under the conditions described in the Ghostscript
- General Public License. A copy of this license is supposed to have been
- given to you along with Ghostscript so you can know your rights and
- responsibilities. It should be in a file named COPYING. Among other
- things, the copyright notice and this notice must be preserved on all
- copies. */
-
- /* gxcolor.h */
- /* Client color structure definition */
- #include "gxfrac.h"
- #include "gsuid.h"
-
- struct gs_client_color_s;
- typedef struct gs_client_color_s gs_client_color;
-
- /* Paint (non-pattern) colors (Device, CIE, Indexed, Separation) */
- typedef struct gs_paint_color_s {
- float values[4];
- } gs_paint_color;
-
- /* Pattern */
- typedef struct gs_pattern_s {
- gs_uid uid; /* XUID or nothing */
- int PaintType;
- int TilingType;
- gs_rect BBox;
- float XStep;
- float YStep;
- int (*PaintProc)(P2(gs_client_color *, gs_state *));
- } gs_pattern;
-
- /* General colors */
- struct gs_client_color_s {
- gs_paint_color paint; /* also color for uncolored pattern */
- gs_pattern pattern;
- };
-
- /* Color representation conversion routines */
- void color_hsb_to_rgb(P4(floatp h, floatp s, floatp b, float rgb[3]));
- void color_rgb_to_hsb(P4(floatp r, floatp g, floatp b, float hsb[3]));
- /* Color space conversion routines */
- frac color_rgb_to_gray(P4(frac r, frac g, frac b,
- const gs_state *pgs));
- void color_rgb_to_cmyk(P5(frac r, frac g, frac b,
- const gs_state *pgs, frac cmyk[4]));
- frac color_cmyk_to_gray(P5(frac c, frac m, frac y, frac k,
- const gs_state *pgs));
- void color_cmyk_to_rgb(P6(frac c, frac m, frac y, frac k,
- const gs_state *pgs, frac rgb[3]));
-