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/*
* Output Device Information
*
* This file contains definitions for output device interfaces
* to the graphing program xgraph.
*/
#ifndef _XGOUT_H_
#define _XGOUT_H_
/* Passed device option flags */
#define D_DOCU 0x01
/* Returned device capability flags */
#define D_COLOR 0x01
/* Text justifications */
#define T_CENTER 0
#define T_LEFT 1
#define T_UPPERLEFT 2
#define T_TOP 3
#define T_UPPERRIGHT 4
#define T_RIGHT 5
#define T_LOWERRIGHT 6
#define T_BOTTOM 7
#define T_LOWERLEFT 8
/* Text styles */
#define T_AXIS 0
#define T_TITLE 1
/* Line Styles */
#define L_AXIS 0
#define L_ZERO 1
#define L_VAR 2
/* Marker Styles */
#define P_PIXEL 0
#define P_DOT 1
#define P_MARK 2
/* Output device information returned by initialization routine */
typedef struct xg_out {
int dev_flags; /* Device characteristic flags */
int area_w, area_h; /* Width and height in pixels */
int bdr_pad; /* Padding from border */
int axis_pad; /* Extra space around axis labels */
int tick_len; /* Length of tick mark on axis */
int legend_pad; /* Top of legend text to legend line */
int axis_width; /* Width of big character of axis font */
int axis_height; /* Height of big character of axis font */
int title_width; /* Width of big character of title font */
int title_height; /* Height of big character of title font */
int max_segs; /* Maximum number of segments in group */
void (*xg_text)(); /* Draws text at a location */
void (*xg_seg)(); /* Draws a series of segments */
void (*xg_dot)(); /* Draws a dot or marker at a location */
void (*xg_end)(); /* Stops the drawing sequence */
char *user_state; /* User supplied data */
} xgOut;
#define ERRBUFSIZE 2048
#endif
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