libgdchart-gd2-noxpm-dev 0.11.5-7.1ubuntu1 / usr / include / gdchart.h

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/* 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*/

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