eg_pgcs.c

开放源码的编译器open watcom 1.6.0版的源代码

#include <graph.h>
#include <pgchart.h>
#include <string.h>
#include <conio.h>

#if defined ( __386__ )
    #define _FAR
#else
    #define _FAR    __far
#endif

#define NUM_VALUES 4
#define NUM_SERIES 2

char _FAR *labels[ NUM_SERIES ] = {
    "Jan", "Feb"
};

float x[ NUM_SERIES ][ NUM_VALUES ] = {
    5, 15, 30, 40, 10, 20, 30, 45
};

float y[ NUM_SERIES ][ NUM_VALUES ] = {
    10, 15, 30, 45, 40, 30, 15, 5
};

main()
{
    chartenv env;

    _setvideomode( _VRES16COLOR );
    _pg_initchart();
    _pg_defaultchart( &env,
		      _PG_SCATTERCHART, _PG_POINTANDLINE );
    strcpy( env.maintitle.title, "Scatter Chart" );
    _pg_chartscatterms( &env, x, y, NUM_SERIES,
			NUM_VALUES, NUM_VALUES, labels );
    getch();
    _setvideomode( _DEFAULTMODE );
}