Method

AravisEvaluatorset_sub_expression

since: 0.6.0

Declaration [src] 

void
arv_evaluator_set_sub_expression (
  ArvEvaluator* evaluator,
  const char* name,
  const char* expression
)

Description [src]

Assign a formula to a sub-expression. If expression == NULL, the sub-expression previously assigned to name will be removed. A sub-expression may not reference another sub-expression.

Available since: 0.6.0

Parameters

name

Type: const char*

Sub-expression name.

The data is owned by the caller of the method.
The value is a NUL terminated UTF-8 string.
expression

Type: const char*

Sub-pexression formula.

The argument can be NULL.
The data is owned by the caller of the method.
The value is a NUL terminated UTF-8 string.