main( )
{
/* set data - can be loaded from anywhere, e.g., a DB */
float data[6] = { 20.0, 40.0, 25.0, 15.0, 9.0, 11.0 }; /* data array */
char *lbls[6] = { "Radio", "Print", "Internet", "TV", "Cable", "other" }; /* label array */
/* optional data */
int expl[6] = { 0, 0, 18, 0, 0, 21 }; /* explode each slice */
unsigned long clrs[6] = { 0xFF0000, 0x00FF00, 0x0000FF, 0xFF00FF, 0xFFFF00, 0x00FFFF }; /* color for each slice */
/* open FILE* (can be stdout e.g. CGI use) */
FILE *fp = fopen( "3dpie.gif", "wb" );
/* set some options - not required */
GDCPIE_explode = expl; /* default - no explosion */
GDCPIE_Color = clrs; /* default - gray */
GDCPIE_EdgeColor = 0xFFFFFFL; /* default - no edging */
/* call the lib */
pie_gif( 200, /* width */
175, /* height */
fp, /* open file pointer */
GDC_3DPIE, /* or GDC_2DPIE */
6, /* number of slices */
lbls, /* slice labels */
data ); /* data array */
fclose( fp );
exit( 0 );
}
main( int argc, char *argv[] )
{
/* labels */
char *lbl[] = { "CPQ\n(DEC)",
"HP",
"SCO",
"IBM",
"SGI",
"SUN\nSPARC",
"other" };
/* values to chart */
float p[] = { 12.5,
20.1,
2.0,
22.0,
5.0,
18.0,
13.0 };
FILE *fp = fopen( "pie.gif", "wb" );
/* set which slices to explode, and by how much */
int expl[] = { 0, 0, 0, 0, 0, 20, 0 };
/* set missing slices */
unsigned char missing[] = { FALSE, FALSE, FALSE, FALSE, FALSE, FALSE, TRUE };
/* colors */
unsigned long clr[] = { 0xFF4040L, 0x80FF80L, 0x8080FFL, 0xFF80FFL, 0xFFFF80L, 0x80FFFFL, 0x0080FFL };
/* set options */
/* a lot of options are set here for illustration */
/* none need be - see gdcpie.h for defaults */
GDCPIE_title = "Sample\nPIE";
GDCPIE_label_line = TRUE;
GDCPIE_label_dist = 15; /* dist. labels to slice edge */
/* can be negative */
GDCPIE_LineColor = 0x000000L;
GDCPIE_label_size = GDC_SMALL;
/* GDCPIE_3d_depth = 25; */
/* GDCPIE_3d_angle = 45; 0 - 359 */
GDCPIE_explode = expl; /* default: NULL - no explosion */
GDCPIE_Color = clr;
GDCPIE_BGColor = 0xFFFFFFL;
GDCPIE_EdgeColor = 0x000000L; /* default is GDCPIE_NOCOLOR */
/* for no edging */
GDCPIE_missing = missing; /* default: NULL - none missing */
/* add percentage to slice label */
/* below the slice label */
GDCPIE_percent_labels = GDCPIE_PCT_RIGHT;
/* call the lib */
pie_gif( 480, /* width */
360, /* height */
fp, /* open file pointer */
GDC_3DPIE, /* or GDC_2DPIE */
7, /* number of slices */
lbl, /* slice labels (unlike out_gif(), can be NULL */
p ); /* data array */
fclose( fp );
exit( 0 );
}
