graphics.hlp (
Topic list)
Important Notice
The pages on this site contain documentation for very old MS-DOS software,
purely for historical purposes.
If you're looking for up-to-date documentation, particularly for programming,
you should not rely on the information found here, as it will be woefully
out of date.
BAR.C
◄Up► ◄Contents► ◄Index► ◄Back►
────────────────────────────────────────────────────────────────────────────
/* BAR.C: Create sample bar chart. */
#include <conio.h>
#include <string.h>
#include <graph.h>
#include <pgchart.h>
#define MONTHS 12
typedef enum {FALSE, TRUE} boolean;
float far value[MONTHS] =
{
33.0, 27.0, 42.0, 64.0,106.0,157.0,
182.0,217.0,128.0, 62.0, 43.0, 36.0
};
char far *category[MONTHS] =
{
"Jan", "Feb", "Mar", "Apr",
"May", "Jun", "Jly", "Aug",
"Sep", "Oct", "Nov", "Dec"
};
main()
{
chartenv env;
int mode = _VRES16COLOR;
/* Set highest video mode available */
while(!_setvideomode( mode ))
mode--;
if(mode == _TEXTMONO)
return(0);
/* Initialize chart library and a default bar chart */
_pg_initchart();
_pg_defaultchart( &env, _PG_BARCHART, _PG_PLAINBARS
);
/* Add titles and some chart options */
strcpy( env.maintitle.title, "Good Neighbor Grocery" );
env.maintitle.titlecolor = 6;
env.maintitle.justify = _PG_RIGHT;
strcpy( env.subtitle.title, "Orange Juice Sales" );
env.subtitle.titlecolor = 6;
env.subtitle.justify = _PG_RIGHT;
strcpy( env.yaxis.axistitle.title, "Months" );
strcpy( env.xaxis.axistitle.title, "Quantity (cases)" );
env.chartwindow.border = FALSE;
/* Parameters for call to _pg_chart are:
* env - Environment variable
* category - Category labels
* value - Data to chart
* MONTHS - Number of data values */
if(_pg_chart( &env, category, value, MONTHS ))
{
_setvideomode( _DEFAULTMODE );
_outtext( "Error: can't draw chart" );
}
else
{
getch();
_setvideomode( _DEFAULTMODE );
}
return(0);
}