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+/* $Header: /home/cvsroot/dvipdfmx/src/pdfcolor.h,v 1.11 2008/12/11 16:03:04 matthias Exp $
+
+ This is dvipdfmx, an eXtended version of dvipdfm by Mark A. Wicks.
+
+ Copyright (C) 2002 by Jin-Hwan Cho and Shunsaku Hirata,
+ the dvipdfmx project team <dvipdfmx@project.ktug.or.kr>
+
+ 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_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;
+ double values[PDF_COLOR_COMPONENT_MAX];
+} pdf_color;
+
+extern void pdf_color_set_verbose (void);
+
+extern int pdf_color_type (const pdf_color *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);
+#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_copycolor (pdf_color *color1, const pdf_color *color2);
+extern void pdf_color_brighten_color (pdf_color *dst, const pdf_color *src, double f);
+
+extern int pdf_color_compare (const pdf_color *color1, const pdf_color *color2);
+
+extern int pdf_color_is_white (const pdf_color *color);
+extern int pdf_color_is_valid (const pdf_color *color);
+
+extern int pdf_color_to_string (const pdf_color *color, char *buffer);
+
+/* Not check size */
+extern pdf_obj *iccp_get_rendering_intent (const void *profile, long proflen);
+extern int iccp_check_colorspace (int colortype,
+ const void *profile, long proflen);
+
+/* returns colorspace ID */
+extern int iccp_load_profile (const char *ident,
+ const void *profile, long 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 specials & color stack
+ * 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);
+
+extern void pdf_color_clear_stack (void);
+extern void pdf_color_get_current (pdf_color **sc, pdf_color **fc);
+
+#endif /* _PDF_COLOR_H_ */