/* GNUPLOT - gp_types.h */

/*[
 * Copyright 2000, 2004   Thomas Williams, Colin Kelley
 *
 * Permission to use, copy, and distribute this software and its
 * documentation for any purpose with or without fee is hereby granted,
 * provided that the above copyright notice appear in all copies and
 * that both that copyright notice and this permission notice appear
 * in supporting documentation.
 *
 * Permission to modify the software is granted, but not the right to
 * distribute the complete modified source code.  Modifications are to
 * be distributed as patches to the released version.  Permission to
 * distribute binaries produced by compiling modified sources is granted,
 * provided you
 *   1. distribute the corresponding source modifications from the
 *    released version in the form of a patch file along with the binaries,
 *   2. add special version identification to distinguish your version
 *    in addition to the base release version number,
 *   3. provide your name and address as the primary contact for the
 *    support of your modified version, and
 *   4. retain our contact information in regard to use of the base
 *    software.
 * Permission to distribute the released version of the source code along
 * with corresponding source modifications in the form of a patch file is
 * granted with same provisions 2 through 4 for binary distributions.
 *
 * This software is provided "as is" without express or implied warranty
 * to the extent permitted by applicable law.
]*/

#ifndef GNUPLOT_GPTYPES_H
#define GNUPLOT_GPTYPES_H

#include "syscfg.h"

#define MAX_ID_LEN 50		/* max length of an identifier */
#define MAX_LINE_LEN 1024	/* maximum number of chars allowed on line */

#define DEG2RAD (M_PI / 180.0)

/* type_udv() will return 0 rather than type if udv does not exist */
enum DATA_TYPES {
	INTGR=1,
	CMPLX,
	STRING,
	DATABLOCK,
	FUNCTIONBLOCK,
	ARRAY,
			/* ARRAY subcategories are marked in array->value_array[0].type */
	COLORMAP_ARRAY,	/*    Array containing packed ARGB values */
	TEMP_ARRAY,	/*    Array with lifetime limited to evaluation stack */
	LOCAL_ARRAY,	/*    Array declared local (function block or bracketed clause) */
	VOXELGRID,
	NOTDEFINED,	/* exists, but value is currently undefined */
	INVALID_VALUE,	/* used only for error return by external functions */
	INVALID_NAME	/* used only to trap errors in linked axis function definition */
			/* or a format specifier that does not match a variable type */
};

enum MODE_PLOT_TYPE {
	MODE_QUERY, MODE_PLOT, MODE_SPLOT
};

enum PLOT_TYPE {
	FUNC, DATA, FUNC3D, DATA3D, NODATA, KEYENTRY, VOXELDATA
};

/* we explicitly assign values to the types, such that we can
 * perform bit tests to see if the style involves points and/or lines
 * bit 0 (val 1) = line, bit 1 (val 2) = point, bit 2 (val 4)= error
 * This allows rapid decisions about the sample drawn into the key,
 * for example.
 */
/* HBB 20010610: new enum, to make mnemonic names for these flags
 * accessible everywhere */
typedef enum e_PLOT_STYLE_FLAGS {
    PLOT_STYLE_HAS_LINE      = (1