Function

VipsObjectmap

Declaration [src] 

void*
vips_object_map (
  VipsSListMap2Fn fn,
  void* a,
  void* b
)

Description [src]

Call a function for all alive objects. Stop when fn returns non-NULL and return that value.

This function is not directly available to language bindings.

Parameters

fn

Type: VipsSListMap2Fn

Function to call for all objects.

a

Type: void*

Client data.

The argument can be NULL.
The data is owned by the caller of the function.
b

Type: void*

Client data.

The argument can be NULL.
The data is owned by the caller of the function.

Return value

Type: void*

NULL if fn returns NULL for all arguments, otherwise the first non-NULL value from fn.

The data is owned by the called function.
The return value can be NULL.