Method

AravisEvaluatorset_sub_expression

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 const char*
 

Sub-expression name.

 The data is owned by the caller of the function.
 The string is a NUL terminated UTF-8 string.
expression const char*
 

Sub-pexression formula.

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