/*
 * 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
 *		Lukas Toenne
 */

#include "COM_CombineColorNode.h"

#include "COM_ConvertOperation.h"


CombineColorNode::CombineColorNode(bNode *editorNode) :
    Node(editorNode)
{
}

void CombineColorNode::convertToOperations(NodeConverter &converter, const CompositorContext &context) const
{
	NodeInput *inputRSocket = this->getInputSocket(0);
	NodeInput *inputGSocket = this->getInputSocket(1);
	NodeInput *inputBSocket = this->getInputSocket(2);
	NodeInput *inputASocket = this->getInputSocket(3);
	NodeOutput *outputSocket = this->getOutputSocket(0);
	
	CombineChannelsOperation *operation = new CombineChannelsOperation();
	if (inputRSocket->isLinked()) {
		operation->setResolutionInputSocketIndex(0);
	}
	else if (inputGSocket->isLinked()) {
		operation->setResolutionInputSocketIndex(1);
	}
	else if (inputBSocket->isLinked()) {
		operation->setResolutionInputSocketIndex(2);
	}
	else {
		operation->setResolutionInputSocketIndex(3);
	}
	converter.addOperation(operation);
	
	converter.mapInputSocket(inputRSocket, operation->getInputSocket(0));
	converter.mapInputSocket(inputGSocket, operation->getInputSocket(1));
	converter.mapInputSocket(inputBSocket, operation->getInputSocket(2));
	converter.mapInputSocket(inputASocket, operation->getInputSocket(3));
	
	NodeOperation *color_conv = getColorConverter(context);
	if (color_conv) {
		converter.addOperation(color_conv);
		
		converter.addLink(operation->getOutputSocket(), color_conv->getInputSocket(0));
		converter.mapOutputSocket(outputSocket, color_conv->getOutputSocket());
	}
	else {
		converter.mapOutputSocket(outputSocket, operation->getOutputSocket());
	}
}


NodeOperation *CombineRGBANode::getColorConverter(const CompositorContext &context) const
{
	return NULL; /* no conversion needed */
}

NodeOperation *CombineHSVANode::getColorConverter(const CompositorContext &context) const
{
	return new ConvertHSVToRGBOperation();
}

NodeOperation *CombineYCCANode::getColorConverter(const CompositorContext &context) const
{
	ConvertYCCToRGBOperation *operation = new ConvertYCCToRGBOperation();
	bNode *editorNode = this->getbNode();
	operation->setMode(editorNode->custom1);
	return operation;
}

NodeOperation *CombineYUVANode::getColorConverter(const CompositorContext &context) const
{
	return new ConvertYUVToRGBOperation();
}