Call the update_area callback depending on the number of rows loaded in
Call the update_area callback depending on the number of rows loaded in

1999-11-22  Havoc Pennington  <hp@pobox.com>

* src/io-png.c (image_load_increment): Call the update_area
callback depending on the number of rows loaded in this increment.

* src/testpixbuf.c (main): slow down the progressive load demo

YueLinHo/MB3Gdk-pixbuf,Distrotech/gdk-pixbuf,YueLinHo/MB3Gdk-pixbuf,GNOME/gdk-pixbuf,Distrotech/gdk-pixbuf,Distrotech/gdk-pixbuf,GNOME/gdk-pixbuf,GNOME/gdk-pixbuf,Distrotech/gdk-pixbuf,djdeath/gdk-pixbuf,djdeath/gdk-pixbuf,Distrotech/gdk-pixbuf,YueLinHo/MB3Gdk-pixbuf,GNOME/gdk-pixbuf,YueLinHo/MB3Gdk-pixbuf,djdeath/gdk-pixbuf,YueLinHo/MB3Gdk-pixbuf,djdeath/gdk-pixbuf