/* GDCHART 0.10.0dev GDCHART.H 2 Nov 2000 */
/* Copyright Bruce Verderaime 1998-2004 */
#ifndef _GDCHART_H
#define _GDCHART_H
#ifndef _GDC_H
#include "gdc.h"
#endif
#define MAX_NOTE_LEN 19
#define GDC_INTERP_VALUE (GDC_NOVALUE/2.0) /* must set GDC_interpolations */
#define GDC_INTERP ((GDC_interpolations=TRUE),GDC_INTERP_VALUE)
typedef enum {
GDC_LINE,
GDC_AREA,
GDC_BAR,
GDC_FLOATINGBAR,
GDC_HILOCLOSE,
GDC_COMBO_LINE_BAR, /* aka, VOL[ume] */
GDC_COMBO_HLC_BAR,
GDC_COMBO_LINE_AREA,
GDC_COMBO_LINE_LINE,
GDC_COMBO_HLC_AREA,
GDC_3DHILOCLOSE,
GDC_3DCOMBO_LINE_BAR,
GDC_3DCOMBO_LINE_AREA,
GDC_3DCOMBO_LINE_LINE,
GDC_3DCOMBO_HLC_BAR,
GDC_3DCOMBO_HLC_AREA,
GDC_3DBAR,
GDC_3DFLOATINGBAR,
GDC_3DAREA,
GDC_3DLINE
} GDC_CHART_T;
typedef enum {
GDC_STACK_DEPTH, /* "behind" (even non-3D) */
GDC_STACK_SUM,
GDC_STACK_BESIDE,
GDC_STACK_LAYER
} GDC_STACK_T; /* applies only to num_lines > 1 */
typedef enum {
GDC_HLC_DIAMOND = 1,
GDC_HLC_CLOSE_CONNECTED = 2, /* can't be used w/ CONNECTING */
GDC_HLC_CONNECTING = 4, /* can't be used w/ CLOSE_CONNECTED */
GDC_HLC_I_CAP = 8
} GDC_HLC_STYLE_T; /* can be OR'd */
/* only 1 annotation allowed */
typedef struct
{
float point; /* 0 <= point < num_points */
unsigned long color;
char note[MAX_NOTE_LEN+1]; /* NLs ok here */
} GDC_ANNOTATION_T;
typedef enum {
GDC_SCATTER_TRIANGLE_DOWN,
GDC_SCATTER_TRIANGLE_UP,
GDC_SCATTER_CIRCLE
} GDC_SCATTER_IND_T;
typedef struct
{
float point; /* 0 <= point < num_points */
float val;
unsigned short width; /* % (1-100) */
unsigned long color;
GDC_SCATTER_IND_T ind;
} GDC_SCATTER_T;
typedef enum {
GDC_TICK_LABELS = -2, /* only at labels */
GDC_TICK_POINTS = -1, /* each num_points */
GDC_TICK_NONE = 0
/* > GDC_TICK_NONE */ /* points & inter-point */
} GDC_TICK_T;
typedef enum { /* backward compatible w/ FALSE/TRUE */
GDC_BORDER_NONE = 0,
GDC_BORDER_ALL = 1, /* should be GDC_BORDER_Y|Y2|X|TOP */
GDC_BORDER_X = 2,
GDC_BORDER_Y = 4,
GDC_BORDER_Y2 = 8,
GDC_BORDER_TOP = 16
} GDC_BORDER_T;
/****************************************************/
/********** USER CHART OPTIONS w/ defaults **********/
/****************************************************/
EXTERND char *GDC_ytitle;
EXTERND char *GDC_xtitle;
EXTERND char *GDC_ytitle2; /* ostesibly: volume label */
EXTERND char *GDC_title; /* NLs ok here */
EXTERND enum GDC_font_size GDC_title_size DEFAULTO( GDC_MEDBOLD );
EXTERND enum GDC_font_size GDC_ytitle_size DEFAULTO( GDC_MEDBOLD );
EXTERND enum GDC_font_size GDC_xtitle_size DEFAULTO( GDC_MEDBOLD );
EXTERND enum GDC_font_size GDC_yaxisfont_size DEFAULTO( GDC_SMALL );
EXTERND enum GDC_font_size GDC_xaxisfont_size DEFAULTO( GDC_SMALL );
EXTERND double GDC_xaxis_angle DEFAULTO( 90.0 ); /* 0,90. FT: 0-90 */
#ifdef HAVE_LIBFREETYPE
EXTERND char *GDC_title_font DEFAULTO( NULL );
EXTERND char *GDC_ytitle_font DEFAULTO( NULL );
EXTERND char *GDC_xtitle_font DEFAULTO( NULL );
EXTERND char *GDC_yaxis_font DEFAULTO( NULL );
EXTERND char *GDC_xaxis_font DEFAULTO( NULL );
EXTERND double GDC_title_ptsize DEFAULTO( 0.0 );
EXTERND double GDC_ytitle_ptsize DEFAULTO( 0.0 );
EXTERND double GDC_xtitle_ptsize DEFAULTO( 0.0 );
EXTERND double GDC_yaxis_ptsize DEFAULTO( 0.0 );
EXTERND double GDC_xaxis_ptsize DEFAULTO( 0.0 );
#endif
EXTERND char *GDC_ylabel_fmt DEFAULTO( NULL ); /* printf fmt'ing, e.g.: "%.2f" */
EXTERND char *GDC_ylabel2_fmt DEFAULTO( NULL ); /* default: "%.0f" future: fractions */
EXTERND char *GDC_xlabel_ctl DEFAULTO( NULL ); /* num_points[] TRUE,FALSE */
EXTERND short GDC_xlabel_spacing DEFAULTO( 5 ); /* pixels SHRT_MAX means force all */
EXTERND char GDC_ylabel_density DEFAULTO( 80 ); /* % */
EXTERND char GDC_interpolations DEFAULTO( FALSE ); /* GDC_INTERP_VALUE in data */
EXTERND float GDC_requested_ymin DEFAULTO( GDC_NOVALUE );
EXTERND float GDC_requested_ymax DEFAULTO( GDC_NOVALUE );
EXTERND float GDC_requested_yinterval DEFAULTO( GDC_NOVALUE );
EXTERND char GDC_0Shelf DEFAULTO( TRUE ); /* if applicable */
EXTERND GDC_TICK_T GDC_grid DEFAULTO( GDC_TICK_LABELS );
EXTERND GDC_TICK_T GDC_ticks DEFAULTO( GDC_TICK_LABELS );
EXTERND char GDC_xaxis DEFAULTO( TRUE );
EXTERND char GDC_yaxis DEFAULTO( TRUE );
EXTERND char GDC_yaxis2 DEFAULTO( TRUE );
EXTERND char GDC_yval_style DEFAULTO( TRUE );
EXTERND GDC_STACK_T GDC_stack_type DEFAULTO( GDC_STACK_DEPTH );
EXTERND float GDC_3d_depth DEFAULTO( 5.0 ); /* % img size */
EXTERND unsigned char GDC_3d_angle DEFAULTO( 45 ); /* 1-89 */
EXTERND unsigned char GDC_bar_width DEFAULTO( 75 ); /* % (1-100) */
EXTERND GDC_HLC_STYLE_T GDC_HLC_style DEFAULTO( GDC_HLC_CLOSE_CONNECTED );
EXTERND unsigned char GDC_HLC_cap_width DEFAULTO( 25 ); /* % (1-100) */
EXTERND GDC_ANNOTATION_T *GDC_annotation DEFAULTO( (GDC_ANNOTATION_T*)NULL );
EXTERND enum GDC_font_size GDC_annotation_font_size DEFAULTO( GDC_SMALL );
#ifdef HAVE_LIBFREETYPE
EXTERND char *GDC_annotation_font DEFAULTO( NULL );
EXTERND double GDC_annotation_ptsize DEFAULTO( 0.0 );
#endif
EXTERND int GDC_num_scatter_pts DEFAULTO( 0 );
EXTERND GDC_SCATTER_T *GDC_scatter DEFAULTO( (GDC_SCATTER_T*)NULL );
EXTERND char GDC_thumbnail DEFAULTO( FALSE );
EXTERND char *GDC_thumblabel;
EXTERND float GDC_thumbval DEFAULTO( -FLT_MAX );
EXTERND GDC_BORDER_T GDC_border DEFAULTO( GDC_BORDER_ALL );
EXTERND unsigned long GDC_BGColor DEFAULTO( 0x000000L ); /* black */
EXTERND unsigned long GDC_GridColor DEFAULTO( 0xA0A0A0L ); /* gray */
EXTERND unsigned long GDC_LineColor DEFAULTO( GDC_DFLTCOLOR );
EXTERND unsigned long GDC_PlotColor DEFAULTO( GDC_DFLTCOLOR );
EXTERND unsigned long GDC_VolColor DEFAULTO( 0xA0A0FFL ); /* lgtblue1 */
EXTERND unsigned long GDC_TitleColor DEFAULTO( GDC_DFLTCOLOR ); /* "opposite" of BG */
EXTERND unsigned long GDC_XTitleColor DEFAULTO( GDC_DFLTCOLOR );
EXTERND unsigned long GDC_YTitleColor DEFAULTO( GDC_DFLTCOLOR );
EXTERND unsigned long GDC_YTitle2Color DEFAULTO( GDC_DFLTCOLOR );
EXTERND unsigned long GDC_XLabelColor DEFAULTO( GDC_DFLTCOLOR );
EXTERND unsigned long GDC_YLabelColor DEFAULTO( GDC_DFLTCOLOR );
EXTERND unsigned long GDC_YLabel2Color DEFAULTO( GDC_DFLTCOLOR );
/* supercedes VolColor ulong_color[num_points] */
EXTERND unsigned long *GDC_ExtVolColor DEFAULTO( (unsigned long*)NULL );
/* supercedes LineColor ulong_color[num_sets] */
EXTERND unsigned long *GDC_SetColor DEFAULTO( (unsigned long*)NULL );
/* supercedes SetColor ulong_color[num_sets][num_points] */
EXTERND unsigned long *GDC_ExtColor DEFAULTO( (unsigned long*)NULL );
EXTERND char GDC_transparent_bg DEFAULTO( FALSE );
EXTERND char *GDC_BGImage DEFAULTO( (char*)NULL );
/* legends? separate img? */
/* auto-size fonts, based on image size? */
/* ----- following options are for expert users only ----- */
/* for alignment of multiple charts */
/* USE WITH CAUTION! */
EXTERND char GDC_hard_size DEFAULTO( FALSE );
EXTERND int GDC_hard_xorig DEFAULTO( 0 ); /* in/out */
EXTERND int GDC_hard_graphwidth DEFAULTO( 0 ); /* in/out */
EXTERND int GDC_hard_yorig DEFAULTO( 0 ); /* in/out */
EXTERND int GDC_hard_grapheight DEFAULTO( 0 ); /* in/out */
/**** COMMON OPTIONS ********************************/
/* NOTE: common options copy here for reference only! */
/* they live in gdc.h */
#ifndef _GDC_COMMON_OPTIONS
#define _GDC_COMMON_OPTIONS
EXTERND char GDC_generate_img DEFAULTO( TRUE );
EXTERND GDC_HOLD_IMAGE_T GDC_hold_img DEFAULTO( GDC_DESTROY_IMAGE );
EXTERND void *GDC_image DEFAULTO( (void*)NULL ); /* in/out */
#endif
/****************************************************/
#ifdef GDC_LIB
#define clrallocate( im, rawclr ) _clrallocate( im, rawclr, GDC_BGColor )
#define clrshdallocate( im, rawclr ) _clrshdallocate( im, rawclr, GDC_BGColor )
#endif
int GDC_out_graph( short IMGWIDTH, /* no check for a image that's too small to fit */
short IMGHEIGHT,
FILE *img_fptr, /* open file pointer (iamge out) stdout ok */
GDC_CHART_T type,
int num_points, /* points along x axis (even iterval) */
/* all arrays dependant on this */
char *xlbl[], /* array of xlabels */
int num_sets,
float *data, /* based on num_sets X num_points */
float *combo_data ); /* only used on COMBO chart types */
/* ----- backward compatible var arg interface ----- */
int out_graph( short imgwidth,
short imgheight,
FILE *img_fptr, /* open file pointer (image out) */
GDC_CHART_T type,
int num_points, /* points along x axis (even iterval) */
char *xlbl[],
int num_sets,
... );
/* expected params (...) for each chart type:
GDC_LINE
GDC_BAR
GDC_3DBAR
GDC_3DAREA
GDC_AREA float vals[], ...
multiple sets make sense for rest?
GDC_HILOCLOSE float high[],
float low[],
float close[]
GDC_COMBO_LINE_BAR
GDC_COMBO_LINE_AREA float val[],
float vol[]
GDC_COMBO_HLC_BAR
GDC_COMBO_HLC_AREA float high[],
float low[],
float close[],
float vol[]
*/
/* Notes:
GDC_thumbnail = TRUE
is equivelent to: GDC_grid = FALSE
GDC_xaxis = FALSE
GDC_yaxis = FALSE
*/
#endif /*!_GDCHART_H*/