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EnigmA Amiga Run 1997 May
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EnigmA AMIGA RUN 18 (1997)(G.R. Edizioni)(IT)[!][issue 1997-05][EAR-CD II].iso
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ghost
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gs403src_gs.lha
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gs4.03
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gxcmap.h
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1996-09-01
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/* Copyright (C) 1989, 1995, 1996 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.
*/
/* gxcmap.h */
/* Private definition of color mapping for Ghostscript */
/* Requires gxdcolor.h, gxdevice.h. */
#include "gxfmap.h"
/* Procedures for rendering colors specified by fractions. */
#define cmap_proc_gray(proc)\
void proc(P3(frac, gx_device_color *, const gs_state *))
#define cmap_proc_rgb(proc)\
void proc(P5(frac, frac, frac, gx_device_color *, const gs_state *))
#define cmap_proc_cmyk(proc)\
void proc(P6(frac, frac, frac, frac, gx_device_color *, const gs_state *))
/* Because of a bug in the Watcom C compiler, */
/* we have to split the struct from the typedef. */
struct gx_color_map_procs_s {
cmap_proc_gray((*map_gray));
cmap_proc_rgb((*map_rgb));
cmap_proc_cmyk((*map_cmyk));
};
typedef struct gx_color_map_procs_s gx_color_map_procs;
/* Determine the color mapping procedures for a device. */
const gx_color_map_procs *gx_device_cmap_procs(P1(const gx_device *));
/* Set the color mapping procedures in the graphics state. */
/* This is only needed when switching devices. */
void gx_set_cmap_procs(P1(gs_state *));
/* Remap a concrete (frac) RGB or CMYK color. */
/* These cannot fail, and do not return a value. */
#define gx_remap_concrete_rgb(cr, cg, cb, pdc, pgs)\
(*pgs->cmap_procs->map_rgb)(cr, cg, cb, pdc, pgs)
#define gx_remap_concrete_cmyk(cc, cm, cy, ck, pdc, pgs)\
(*pgs->cmap_procs->map_cmyk)(cc, cm, cy, ck, pdc, pgs)
/* Map a color, with optional tracing if we are debugging. */
#ifdef DEBUG
/* Use procedures in gxcmap.c */
#include "gxcvalue.h"
gx_color_index gx_proc_map_rgb_color(P4(gx_device *,
gx_color_value, gx_color_value, gx_color_value));
gx_color_index gx_proc_map_rgb_alpha_color(P5(gx_device *,
gx_color_value, gx_color_value, gx_color_value, gx_color_value));
gx_color_index gx_proc_map_cmyk_color(P5(gx_device *,
gx_color_value, gx_color_value, gx_color_value, gx_color_value));
# define gx_map_rgb_color(dev, vr, vg, vb)\
gx_proc_map_rgb_color(dev, vr, vg, vb)
# define gx_map_rgb_alpha_color(dev, vr, vg, vb, va)\
gx_proc_map_rgb_alpha_color(dev, vr, vg, vb, va)
# define gx_map_cmyk_color(dev, vc, vm, vy, vk)\
gx_proc_map_cmyk_color(dev, vc, vm, vy, vk)
#else
# define gx_map_rgb_color(dev, vr, vg, vb)\
(*dev_proc(dev, map_rgb_color))(dev, vr, vg, vb)
# define gx_map_rgb_alpha_color(dev, vr, vg, vb, va)\
(*dev_proc(dev, map_rgb_alpha_color))(dev, vr, vg, vb, va)
# define gx_map_cmyk_color(dev, vc, vm, vy, vk)\
(*dev_proc(dev, map_cmyk_color))(dev, vc, vm, vy, vk)
#endif