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/*
* $Id: gp_types.h,v 1.32 2005/10/22 05:50:13 sfeam Exp $
*/
/* 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
#ifdef GP_STRING_VARS
, STRING
#endif
};
enum MODE_PLOT_TYPE {
MODE_QUERY, MODE_PLOT, MODE_SPLOT
};
enum PLOT_TYPE {
FUNC, DATA, FUNC3D, DATA3D, NODATA
};
/* 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<<0),
PLOT_STYLE_HAS_POINT = (1<<1),
PLOT_STYLE_HAS_ERRORBAR = (1<<2),
PLOT_STYLE_HAS_FILL = (1<<3),
PLOT_STYLE_BITS = (1<<4)
} PLOT_STYLE_FLAGS;
typedef enum PLOT_STYLE {
LINES = 0*PLOT_STYLE_BITS + PLOT_STYLE_HAS_LINE,
POINTSTYLE = 1*PLOT_STYLE_BITS + PLOT_STYLE_HAS_POINT,
IMPULSES = 2*PLOT_STYLE_BITS + PLOT_STYLE_HAS_LINE,
LINESPOINTS = 3*PLOT_STYLE_BITS + (PLOT_STYLE_HAS_POINT | PLOT_STYLE_HAS_LINE),
DOTS = 4*PLOT_STYLE_BITS + 0,
XERRORBARS = 5*PLOT_STYLE_BITS + (PLOT_STYLE_HAS_POINT | PLOT_STYLE_HAS_ERRORBAR),
YERRORBARS = 6*PLOT_STYLE_BITS + (PLOT_STYLE_HAS_POINT | PLOT_STYLE_HAS_ERRORBAR),
XYERRORBARS = 7*PLOT_STYLE_BITS + (PLOT_STYLE_HAS_POINT | PLOT_STYLE_HAS_ERRORBAR),
BOXXYERROR = 8*PLOT_STYLE_BITS + (PLOT_STYLE_HAS_LINE | PLOT_STYLE_HAS_FILL),
BOXES = 9*PLOT_STYLE_BITS + (PLOT_STYLE_HAS_LINE | PLOT_STYLE_HAS_FILL),
BOXERROR = 10*PLOT_STYLE_BITS + (PLOT_STYLE_HAS_LINE | PLOT_STYLE_HAS_FILL),
STEPS = 11*PLOT_STYLE_BITS + PLOT_STYLE_HAS_LINE,
FSTEPS = 12*PLOT_STYLE_BITS + PLOT_STYLE_HAS_LINE,
HISTEPS = 13*PLOT_STYLE_BITS + PLOT_STYLE_HAS_LINE,
VECTOR = 14*PLOT_STYLE_BITS + PLOT_STYLE_HAS_LINE,
CANDLESTICKS = 15*PLOT_STYLE_BITS + (PLOT_STYLE_HAS_ERRORBAR | PLOT_STYLE_HAS_FILL),
FINANCEBARS = 16*PLOT_STYLE_BITS + PLOT_STYLE_HAS_LINE,
XERRORLINES = 17*PLOT_STYLE_BITS + (PLOT_STYLE_HAS_LINE | PLOT_STYLE_HAS_POINT | PLOT_STYLE_HAS_ERRORBAR),
YERRORLINES = 18*PLOT_STYLE_BITS + (PLOT_STYLE_HAS_LINE | PLOT_STYLE_HAS_POINT | PLOT_STYLE_HAS_ERRORBAR),
XYERRORLINES = 19*PLOT_STYLE_BITS + (PLOT_STYLE_HAS_LINE | PLOT_STYLE_HAS_POINT | PLOT_STYLE_HAS_ERRORBAR)
, FILLEDCURVES = 21*PLOT_STYLE_BITS + PLOT_STYLE_HAS_LINE + PLOT_STYLE_HAS_FILL
, PM3DSURFACE = 22*PLOT_STYLE_BITS + 0
#ifdef EAM_DATASTRINGS
, LABELPOINTS = 23*PLOT_STYLE_BITS + 0
#endif
#ifdef EAM_HISTOGRAMS
, HISTOGRAMS = 24*PLOT_STYLE_BITS + PLOT_STYLE_HAS_FILL
#endif
#ifdef WITH_IMAGE
, IMAGE = 25*PLOT_STYLE_BITS + 0
, RGBIMAGE = 26*PLOT_STYLE_BITS + 0
#endif
} PLOT_STYLE;
typedef enum PLOT_SMOOTH {
SMOOTH_NONE,
SMOOTH_ACSPLINES,
SMOOTH_BEZIER,
SMOOTH_CSPLINES,
SMOOTH_SBEZIER,
SMOOTH_UNIQUE,
SMOOTH_FREQUENCY
} PLOT_SMOOTH;
/* FIXME HBB 20000521: 'struct value' and its part, 'cmplx', should go
* into one of scanner/internal/standard/util .h, but I've yet to
* decide which of them */
#if !(defined(ATARI)&&defined(__GNUC__)&&defined(_MATH_H)) && !(defined(MTOS)&&defined(__GNUC__)&&defined(_MATH_H)) /* FF's math.h has the type already */
struct cmplx {
double real, imag;
};
#endif
typedef struct value {
enum DATA_TYPES type;
union {
int int_val;
struct cmplx cmplx_val;
#ifdef GP_STRING_VARS
char *string_val;
#endif
} v;
} t_value;
/* Defines the type of a coordinate */
/* INRANGE and OUTRANGE points have an x,y point associated with them */
typedef enum coord_type {
INRANGE, /* inside plot boundary */
OUTRANGE, /* outside plot boundary, but defined */
UNDEFINED /* not defined at all */
} coord_type;
/* The field of 'struct coordinate' used for storing the color of 3D data
* points (if requested by NEED_PALETTE(this_plot), for instance).
*/
#define CRD_COLOR ylow
/* The field of 'struct coordinate' used for storing the point size in plot
* style POINTSTYLE with variable point size
*/
#define CRD_PTSIZE xlow
typedef struct coordinate {
enum coord_type type; /* see above */
coordval x, y, z;
coordval ylow, yhigh; /* ignored in 3d */
coordval xlow, xhigh; /* also ignored in 3d */
#if 0
/* color as a separate field can be only useful if colors are really
* used everywhere, but not in 3D, where CRD_COLOR maps it to the first
* 2D field unused by 3D. This saves 8 B, which may be finally a lot of
* memory for large surfaces.
* Another proposal is to completely separate 2d and 3d coordinates and
* change the data storage.
*/
coordval color; /* PM3D's color value to be used */
/* Note: accessed only if NEED_PALETTE(this_plot) */
#endif
#if defined(WIN16) || (defined(MSDOS) && defined(__TURBOC__))
/* FIXME HBB 20020301: addition of 'color' probably broke this */
char pad[2]; /* pad to 32 byte boundary */
#endif
} coordinate;
#endif /* GNUPLOT_GPTYPES_H */
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