void GCoptimization::commonNonGridInitialization(PixelType nupixels, int num_labels)
{
terminateOnError( (nupixels <0) || (num_labels <0 ),"Illegal negative parameters");
m_nLabels = num_labels;
m_nPixels = nupixels;
m_grid_graph = 0;
m_neighbors = (LinkedBlockList *) new LinkedBlockList[nupixels];
terminateOnError(!m_neighbors,"Not enough memory");
}
GCoptimization::EnergyType Swap::alpha_beta_swap(LabelType alpha_label, LabelType beta_label)
{
terminateOnError( alpha_label < 0 || alpha_label >= m_nLabels || beta_label < 0 || beta_label >= m_nLabels,
"Illegal Label to Expand On");
perform_alpha_beta_swap(alpha_label,beta_label);
return(dataEnergy()+smoothnessEnergy());
}
GCoptimization::EnergyType Expansion::oneExpansionIteration()
{
int next;
terminateOnError( m_dataType == NONE,"You have to set up the data cost before running optimization");
terminateOnError( m_smoothType == NONE,"You have to set up the smoothness cost before running optimization");
if (m_random_label_order) scramble_label_table();
for (next = 0; next < m_nLabels; next++ )
perform_alpha_expansion(m_labelTable[next]);
return(dataEnergy()+smoothnessEnergy());
}
GCoptimization::EnergyType Expansion::alpha_expansion(LabelType label)
{
terminateOnError( label < 0 || label >= m_nLabels,"Illegal Label to Expand On");
perform_alpha_expansion(label);
return(dataEnergy()+smoothnessEnergy());
}
int
main(int argc, char** argv)
{
DBusConnection* bus = NULL;
DBusMessage* msg = NULL;
DBusError error;
DBusPendingCall* pending;
dbus_error_init(&error);
printf("Connecting to Session D-Bus\n");
bus = dbus_bus_get(DBUS_BUS_SESSION, &error);
terminateOnError("Failed to open Session bus\n", &error);
assert(bus != NULL);
printf("Creating a message object\n");
msg = dbus_message_new_method_call(
NOTIFY_TARGET,
NOTIFY_OBJ_PATH,
NOTIFY_INTERFACE,
NOTIFY_METHOD);
assert(msg != NULL);
printf("Appending arguments to the message\n");
fillArgs(msg);
#ifndef WAIT_FOR_REPLY
dbus_message_set_no_reply(msg, TRUE);
printf("Adding message to client send-queue\n");
dbus_connection_send(bus, msg, NULL);
printf("Waiting for send-queue to be send out\n");
dbus_connection_flush(bus);
printf("Cleaning up message\n");
dbus_message_unref(msg);
#else
printf("Adding message to client send-queue\n");
dbus_connection_send_with_reply(bus, msg, &pending, -1);
printf("Waiting for send-queue to be send out\n");
dbus_connection_flush(bus);
printf("Cleaning up message\n");
dbus_message_unref(msg);
recvReply(pending);
#endif
printf("Cleaning up connection\n");
dbus_connection_unref(bus);
return 0;
}
/* Use this constructor only for grid graphs */
GCoptimization::GCoptimization(PixelType width,PixelType height,LabelType nLabels,EnergyFunction *eng):MRF(width,height,nLabels,eng)
{
commonGridInitialization(width,height,nLabels);
m_labeling = (LabelType *) new LabelType[m_nPixels];
terminateOnError(!m_labeling,"out of memory");
for ( int i = 0; i < m_nPixels; i++ ) m_labeling[i] = (LabelType) 0;
commonInitialization();
}
void GCoptimization::initialize_memory()
{
m_lookupPixVar = (PixelType *) new PixelType[m_nPixels];
m_labelTable = (LabelType *) new LabelType[m_nLabels];
terminateOnError( !m_lookupPixVar || !m_labelTable ,"Not enough memory");
for ( int i = 0; i < m_nLabels; i++ )
m_labelTable[i] = i;
}
void GCoptimization::commonGridInitialization(PixelType width, PixelType height, int nLabels)
{
terminateOnError( (width < 0) || (height <0) || (nLabels <0 ),"Illegal negative parameters");
m_width = width;
m_height = height;
m_nPixels = width*height;
m_nLabels = nLabels;
m_grid_graph = 1;
}
static DBusHandlerResult
signal_filter (DBusConnection *connection, DBusMessage *message, void *user_data)
{/*类似一个侦听函数，收到的消息在message中*/
GMainLoop *loop = user_data;
/*一个断开连接的信号*/
if(dbus_message_is_signal(message, DBUS_INTERFACE_LOCAL, "Disconnected"))
{
/*终止循环*/
g_print("receive quit signal");
g_main_loop_quit (loop);
return DBUS_HANDLER_RESULT_HANDLED;
}
/*接收到调用print函数的消息*/
else if (dbus_message_is_method_call(message, "org.freedesktop.program2", "print"))
{
DBusError error;
char *s;
dbus_error_init (&error);
/*获得参数*/
if (dbus_message_get_args
(message, &error, DBUS_TYPE_STRING, &s, DBUS_TYPE_INVALID))
{
g_print("received args: %s\n", s);
/*难道远程调用只能这样调用么？*/
print(s);
/*此处如果释放则会出现异常所以暂时就不释放了！*/
//dbus_free (s);
}
else
{
g_print("received, but error getting message: %s\n", error.message);
terminateOnError (" received, but error getting message\n", & error );
dbus_error_free (&error);
}
return DBUS_HANDLER_RESULT_HANDLED;
}
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
Swap::Swap(PixelType nPixels, int num_labels, EnergyFunction *eng):GCoptimization(nPixels,num_labels,eng)
{
m_pixels = new PixelType[m_nPixels];
terminateOnError( !m_pixels ,"Not enough memory");
}