virtual void create_painter(painter_ptr & p_out)
{
if (p_wnd->get_wnd())
{
p_out = new painter_impl(p_wnd.get_ptr());
}
}
void file::g_transfer_object(service_ptr_t<file> p_src,service_ptr_t<file> p_dst,t_filesize p_bytes,abort_callback & p_abort) {
if (p_bytes > 1024) /* don't bother on small objects */
{
t_filesize oldsize = p_dst->get_size(p_abort);
if (oldsize != filesize_invalid) {
t_filesize newpos = p_dst->get_position(p_abort) + p_bytes;
if (newpos > oldsize) p_dst->resize(newpos ,p_abort);
}
}
g_transfer_object(pfc::implicit_cast<stream_reader*>(p_src.get_ptr()),pfc::implicit_cast<stream_writer*>(p_dst.get_ptr()),p_bytes,p_abort);
}
void readbox(service_ptr_t<file> & p_file, abort_callback & p_abort)
{
readbox(p_file.get_ptr(), p_file->get_remaining(p_abort), p_abort);
}
t_filesize file::g_transfer(service_ptr_t<file> p_src,service_ptr_t<file> p_dst,t_filesize p_bytes,abort_callback & p_abort) {
return g_transfer(pfc::implicit_cast<stream_reader*>(p_src.get_ptr()),pfc::implicit_cast<stream_writer*>(p_dst.get_ptr()),p_bytes,p_abort);
}