|
KDATA_ARRAY_ALLOC(3) |
Library Functions Manual |
KDATA_ARRAY_ALLOC(3) |
NAME
kdata_array_alloc — allocate array data for plotting
LIBRARY
library “libkplot”
SYNOPSIS
#include <cairo.h>
#include <kplot.h>
struct kdata *
kdata_array_alloc(
struct kpair *pairs,
size_t sz);
DESCRIPTION
The
kdata_array_alloc function creates a reference-counted data sources for
kplot(3). It is set to an array of data points
pairs unless passed a
NULL pointer, in which case x-values are set to the pair index from zero and y-values to zero. These values can be later reset with
kdata_array_fill(3), or directly modified with
kdata_array_add(3) or
kdata_array_set(3).
RETURN VALUES
kdata_array_alloc returns NULL if memory allocation failed.