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/* This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
Copyright (C) 2002-2018 by Jin-Hwan Cho and Shunsaku Hirata,
the dvipdfmx project team.
Copyright (C) 1998, 1999 by Mark A. Wicks <mwicks@kettering.edu>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#ifndef _PDF_COLOR_H_
#define _PDF_COLOR_H_
#include "pdfobj.h"
#define PDF_COLORSPACE_TYPE_DEVICECMYK -4
#define PDF_COLORSPACE_TYPE_DEVICERGB -3
#define PDF_COLORSPACE_TYPE_SPOT -2
#define PDF_COLORSPACE_TYPE_DEVICEGRAY -1
#define PDF_COLORSPACE_TYPE_INVALID 0
#define PDF_COLORSPACE_TYPE_CALGRAY 1
#define PDF_COLORSPACE_TYPE_CIELAB 2
#define PDF_COLORSPACE_TYPE_CALRGB 3
#define PDF_COLORSPACE_TYPE_ICCBASED 4
#define PDF_COLORSPACE_TYPE_CMYK PDF_COLORSPACE_TYPE_DEVICECMYK
#define PDF_COLORSPACE_TYPE_RGB PDF_COLORSPACE_TYPE_DEVICERGB
#define PDF_COLORSPACE_TYPE_GRAY PDF_COLORSPACE_TYPE_DEVICEGRAY
#define PDF_COLOR_COMPONENT_MAX 4
typedef struct
{
int num_components;
char* spot_color_name;
double values[PDF_COLOR_COMPONENT_MAX];
} pdf_color;
extern int pdf_color_rgbcolor (pdf_color *color,
double r, double g, double b);
extern int pdf_color_cmykcolor (pdf_color *color,
double c, double m, double y, double k);
extern int pdf_color_graycolor (pdf_color *color, double g);
extern int pdf_color_spotcolor (pdf_color *color, char* color_name, double c);
extern void pdf_color_copycolor (pdf_color *color1, const pdf_color *color2);
#define pdf_color_black(c) pdf_color_graycolor(c, 0.0);
#define pdf_color_white(c) pdf_color_graycolor(c, 1.0);
extern void pdf_color_brighten_color (pdf_color *dst, const pdf_color *src, double f);
extern int pdf_color_type (const pdf_color *color);
extern int pdf_color_compare (const pdf_color *color1, const pdf_color *color2);
extern int pdf_color_to_string (const pdf_color *color, char *buffer, char mask);
extern int pdf_color_is_white (const pdf_color *color);
extern int pdf_color_is_valid (const pdf_color *color);
/* Not check size */
extern pdf_obj *iccp_get_rendering_intent (const void *profile, int proflen);
extern int iccp_check_colorspace (int colortype,
const void *profile, int proflen);
/* returns colorspace ID */
extern int iccp_load_profile (const char *ident,
const void *profile, int proflen);
extern void pdf_init_colors (void);
extern void pdf_close_colors (void);
extern pdf_obj *pdf_get_colorspace_reference (int cspc_id);
#if 0
extern int pdf_get_colorspace_num_components (int cspc_id);
extern int pdf_get_colorspace_subtype (int cspc_id);
/* Not working */
extern int pdf_colorspace_load_ICCBased (const char *ident,
const char *profile_filename);
#endif
/* Color special
* See remark in spc_color.c.
*/
extern void pdf_color_set (pdf_color *sc, pdf_color *fc);
extern void pdf_color_push (pdf_color *sc, pdf_color *fc);
extern void pdf_color_pop (void);
/* Color stack
*/
extern void pdf_color_clear_stack (void);
extern void pdf_color_get_current (pdf_color **sc, pdf_color **fc);
#if 0
/* Reinstall color */
extern void pdf_dev_preserve_color(void);
#endif
#endif /* _PDF_COLOR_H_ */
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