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/*
* Copyright 2011, Blender Foundation.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Contributor:
* Jeroen Bakker
* Monique Dewanchand
*/
#include "COM_Socket.h"
#include "COM_Node.h"
#include "COM_SocketConnection.h"
#include "COM_NodeOperation.h"
OutputSocket::OutputSocket(DataType datatype) : Socket(datatype)
{
/* pass */
}
int OutputSocket::isOutputSocket() const { return true; }
const int OutputSocket::isConnected() const { return this->m_connections.size() != 0; }
void OutputSocket::determineResolution(unsigned int resolution[2], unsigned int preferredResolution[2])
{
NodeBase *node = this->getNode();
if (node->isOperation()) {
NodeOperation *operation = (NodeOperation *)node;
if (operation->isResolutionSet()) {
resolution[0] = operation->getWidth();
resolution[1] = operation->getHeight();
}
else {
operation->determineResolution(resolution, preferredResolution);
operation->setResolution(resolution);
}
}
}
void OutputSocket::addConnection(SocketConnection *connection)
{
this->m_connections.push_back(connection);
}
void OutputSocket::removeConnection(SocketConnection *connection)
{
for (vector<SocketConnection *>::iterator it = m_connections.begin(); it != m_connections.end(); ++it) {
if (*it == connection) {
m_connections.erase(it);
return;
}
}
}
void OutputSocket::relinkConnections(OutputSocket *relinkToSocket, bool single)
{
if (isConnected()) {
if (single) {
SocketConnection *connection = this->m_connections[0];
connection->setFromSocket(relinkToSocket);
relinkToSocket->addConnection(connection);
this->m_connections.erase(this->m_connections.begin());
}
else {
unsigned int index;
for (index = 0; index < this->m_connections.size(); index++) {
SocketConnection *connection = this->m_connections[index];
connection->setFromSocket(relinkToSocket);
relinkToSocket->addConnection(connection);
}
this->m_connections.clear();
}
}
}
void OutputSocket::removeFirstConnection()
{
SocketConnection *connection = this->m_connections[0];
InputSocket *inputSocket = connection->getToSocket();
if (inputSocket != NULL) {
inputSocket->setConnection(NULL);
}
this->m_connections.erase(this->m_connections.begin());
}
void OutputSocket::clearConnections()
{
while (this->isConnected()) {
removeFirstConnection();
}
}
WriteBufferOperation *OutputSocket::findAttachedWriteBufferOperation() const
{
unsigned int index;
for (index = 0; index < this->m_connections.size(); index++) {
SocketConnection *connection = this->m_connections[index];
NodeBase *node = connection->getToNode();
if (node->isOperation()) {
NodeOperation *operation = (NodeOperation *)node;
if (operation->isWriteBufferOperation()) {
return (WriteBufferOperation *)operation;
}
}
}
return NULL;
}
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