Called by implementations of GdkPaintable to invalidate their size.
As long as the size is not invalidated, @paintable must return the same values for its intrinsic width, height and aspect ratio.
This function will emit the [signal@Gdk.Paintable::invalidate-size] signal.
If a @paintable reports the %GDK_PAINTABLE_STATIC_SIZE flag, it must not call this function.
See Implementation
Called by implementations of GdkPaintable to invalidate their size.
As long as the size is not invalidated, @paintable must return the same values for its intrinsic width, height and aspect ratio.
This function will emit the [signal@Gdk.Paintable::invalidate-size] signal.
If a @paintable reports the %GDK_PAINTABLE_STATIC_SIZE flag, it must not call this function.