(* GdkPixbufModuleBeginLoadFunc) (
  GdkPixbufModuleSizeFunc size_func,
  GdkPixbufModulePreparedFunc prepared_func,
  GdkPixbufModuleUpdatedFunc updated_func,
  gpointer user_data,
  GError** error

Description [src]

Sets up the image loading state.

The image loader is responsible for storing the given function pointers and user data, and call them when needed.

The image loader should set up an internal state object, and return it from this function; the state object will then be updated from the GdkPixbufModuleIncrementLoadFunc callback, and will be freed by GdkPixbufModuleStopLoadFunc callback.

This function is not directly available to language bindings


size_func GdkPixbufModuleSizeFunc

The function to be called when the size is known.

prepared_func GdkPixbufModulePreparedFunc

The function to be called when the data has been prepared.

updated_func GdkPixbufModuleUpdatedFunc

The function to be called when the data has been updated.

user_data gpointer

The data to be passed to the functions.

 The argument can be NULL.
 The data is owned by the caller of the function.
error GError **
  The return location for a GError*, or NULL.

Return value

Returns: gpointer

The data to be passed to GdkPixbufModuleIncrementLoadFunc and GdkPixbufModuleStopLoadFunc, or NULL in case of error.

 The caller of the function takes ownership of the data, and is responsible for freeing it.
 The return value can be NULL.