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NAME

       lqr_progress_set_update - execude custom code at regular steps during
       each rescaling operation

SYNOPSIS

       #include <lqr.h>

       LqrRetVal lqr_progress_set_update(LqrProgress* p,
                                         LqrProgressFuncUpdate update_func);

DESCRIPTION

       The function lqr_progress_set_update sets the hook update_func to the
       LqrProgress object pointed to by p.

       The function update_func is of type LqrProgressFuncUpdate, whose
       prototype is defined by:

           typedef LqrRetVal (*LqrProgressFuncUpdate) (gdouble completion_percentage);

       Each time that the function lqr_carver_resize(3) performs a rescale
       operation (recall that it can perform more than one rescale operation
       at each call) this function will be called at regular intervale, with
       the current completion percentage completion_percentage as an argument.

       The update step can be set with the function
       lqr_progress_set_update_step(3).

RETURN VALUE

       The return value follows the Liquid Rescale library signalling system.

SEE ALSO

       LqrRetVal(3), lqr_progress_new(3), lqr_progress_set_init(3),
       lqr_progress_set_end(3), lqr_progress_set_init_width_message(3),
       lqr_progress_set_init_height_message(3),
       lqr_progress_set_end_width_message(3),
       lqr_progress_set_end_height_message(3),
       lqr_progress_set_update_step(3), lqr_carver_set_progress(3)

COPYRIGHT

       Copyright © 2007-2009 Carlo Baldassi