expose event & pixmap question

[Christian Seberino <seberino spawar navy mil>]

gint exposeEventHandler(GtkWidget* widget, GdkEventExpose* event) {
   gdk_draw_pixmap(widget->window, widget->style->fg_gc[GTK_WIDGET_STATE(widget)],
      Pixmaps::myPicture, event->area.x, event->area.y,
      event->area.x, event->area.y, event->area.width, event->area.height);

   return FALSE;
};


Pixmaps make expose event handlers easy I think because you can just
redraw uncovered portion with a single function call as in function above.

WHY CAN'T WE REDRAW A PORTION OF THE DRAWING AREA THE SAME
WAY AND AVOID NEED FOR PIXMAP?

Chris

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