/*
 * 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_ColorRampNode.h"
#include "COM_ExecutionSystem.h"
#include "BKE_node.h"
#include "COM_ColorRampOperation.h"
#include "COM_SeparateChannelOperation.h"
#include "DNA_texture_types.h"

ColorRampNode::ColorRampNode(bNode *editorNode) : Node(editorNode)
{
	/* pass */
}

void ColorRampNode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
	InputSocket *inputSocket = this->getInputSocket(0);
	OutputSocket *outputSocket = this->getOutputSocket(0);
	OutputSocket *outputSocketAlpha = this->getOutputSocket(1);
	bNode *editorNode = this->getbNode();

	ColorRampOperation *operation = new ColorRampOperation();
	outputSocket->relinkConnections(operation->getOutputSocket(0));
	if (outputSocketAlpha->isConnected()) {
		SeparateChannelOperation *operation2 = new SeparateChannelOperation();
		outputSocketAlpha->relinkConnections(operation2->getOutputSocket());
		addLink(graph, operation->getOutputSocket(), operation2->getInputSocket(0));
		operation2->setChannel(3);
		graph->addOperation(operation2);
	}
	operation->setColorBand((ColorBand *)editorNode->storage);
	inputSocket->relinkConnections(operation->getInputSocket(0), 0, graph);
	graph->addOperation(operation);
}