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/*
* Copyright 2012, 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
* Sergey Sharybin
*/
#include "COM_KeyingNode.h"
#include "COM_ExecutionSystem.h"
#include "COM_KeyingOperation.h"
#include "COM_KeyingBlurOperation.h"
#include "COM_KeyingDespillOperation.h"
#include "COM_KeyingClipOperation.h"
#include "COM_SeparateChannelOperation.h"
#include "COM_CombineChannelsOperation.h"
#include "COM_ConvertRGBToYCCOperation.h"
#include "COM_ConvertYCCToRGBOperation.h"
#include "COM_GaussianBokehBlurOperation.h"
#include "COM_SetValueOperation.h"
#include "COM_DilateErodeOperation.h"
#include "COM_SetAlphaOperation.h"
KeyingNode::KeyingNode(bNode *editorNode): Node(editorNode)
{
}
OutputSocket *KeyingNode::setupPreBlur(ExecutionSystem *graph, InputSocket *inputImage, int size, OutputSocket **originalImage)
{
ConvertRGBToYCCOperation *convertRGBToYCCOperation = new ConvertRGBToYCCOperation();
convertRGBToYCCOperation->setMode(0); /* ITU 601 */
inputImage->relinkConnections(convertRGBToYCCOperation->getInputSocket(0), 0, graph);
graph->addOperation(convertRGBToYCCOperation);
CombineChannelsOperation *combineOperation = new CombineChannelsOperation();
graph->addOperation(combineOperation);
for (int channel = 0; channel < 4; channel++) {
SeparateChannelOperation *separateOperation = new SeparateChannelOperation();
separateOperation->setChannel(channel);
addLink(graph, convertRGBToYCCOperation->getOutputSocket(0), separateOperation->getInputSocket(0));
graph->addOperation(separateOperation);
if (channel == 0 || channel == 3) {
addLink(graph, separateOperation->getOutputSocket(0), combineOperation->getInputSocket(channel));
}
else {
KeyingBlurOperation *blurOperation = new KeyingBlurOperation();
blurOperation->setSize(size);
addLink(graph, separateOperation->getOutputSocket(0), blurOperation->getInputSocket(0));
addLink(graph, blurOperation->getOutputSocket(0), combineOperation->getInputSocket(channel));
graph->addOperation(blurOperation);
}
}
ConvertYCCToRGBOperation *convertYCCToRGBOperation = new ConvertYCCToRGBOperation();
convertYCCToRGBOperation->setMode(0); /* ITU 601 */
addLink(graph, combineOperation->getOutputSocket(0), convertYCCToRGBOperation->getInputSocket(0));
graph->addOperation(convertYCCToRGBOperation);
*originalImage = convertRGBToYCCOperation->getInputSocket(0)->getConnection()->getFromSocket();
return convertYCCToRGBOperation->getOutputSocket(0);
}
OutputSocket *KeyingNode::setupPostBlur(ExecutionSystem *graph, OutputSocket *postBLurInput, int size)
{
KeyingBlurOperation *blurOperation = new KeyingBlurOperation();
blurOperation->setSize(size);
addLink(graph, postBLurInput, blurOperation->getInputSocket(0));
graph->addOperation(blurOperation);
return blurOperation->getOutputSocket();
}
OutputSocket *KeyingNode::setupDilateErode(ExecutionSystem *graph, OutputSocket *dilateErodeInput, int distance)
{
DilateStepOperation *dilateErodeOperation;
if (distance > 0) {
dilateErodeOperation = new DilateStepOperation();
dilateErodeOperation->setIterations(distance);
}
else {
dilateErodeOperation = new ErodeStepOperation();
dilateErodeOperation->setIterations(-distance);
}
addLink(graph, dilateErodeInput, dilateErodeOperation->getInputSocket(0));
graph->addOperation(dilateErodeOperation);
return dilateErodeOperation->getOutputSocket(0);
}
OutputSocket *KeyingNode::setupDespill(ExecutionSystem *graph, OutputSocket *despillInput, OutputSocket *inputScreen, float factor)
{
KeyingDespillOperation *despillOperation = new KeyingDespillOperation();
despillOperation->setDespillFactor(factor);
addLink(graph, despillInput, despillOperation->getInputSocket(0));
addLink(graph, inputScreen, despillOperation->getInputSocket(1));
graph->addOperation(despillOperation);
return despillOperation->getOutputSocket(0);
}
OutputSocket *KeyingNode::setupClip(ExecutionSystem *graph, OutputSocket *clipInput, int kernelRadius, float kernelTolerance,
float clipBlack, float clipWhite, bool edgeMatte)
{
KeyingClipOperation *clipOperation = new KeyingClipOperation();
clipOperation->setKernelRadius(kernelRadius);
clipOperation->setKernelTolerance(kernelTolerance);
clipOperation->setClipBlack(clipBlack);
clipOperation->setClipWhite(clipWhite);
clipOperation->setIsEdgeMatte(edgeMatte);
addLink(graph, clipInput, clipOperation->getInputSocket(0));
graph->addOperation(clipOperation);
return clipOperation->getOutputSocket(0);
}
void KeyingNode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
InputSocket *inputImage = this->getInputSocket(0);
InputSocket *inputScreen = this->getInputSocket(1);
InputSocket *inputGarbageMatte = this->getInputSocket(2);
InputSocket *inputCoreMatte = this->getInputSocket(3);
OutputSocket *outputImage = this->getOutputSocket(0);
OutputSocket *outputMatte = this->getOutputSocket(1);
OutputSocket *outputEdges = this->getOutputSocket(2);
OutputSocket *postprocessedMatte, *postprocessedImage, *originalImage, *edgesMatte;
bNode *editorNode = this->getbNode();
NodeKeyingData *keying_data = (NodeKeyingData *) editorNode->storage;
/* keying operation */
KeyingOperation *keyingOperation = new KeyingOperation();
keyingOperation->setScreenBalance(keying_data->screen_balance);
inputScreen->relinkConnections(keyingOperation->getInputSocket(1), 1, graph);
inputGarbageMatte->relinkConnections(keyingOperation->getInputSocket(2), 2, graph);
inputCoreMatte->relinkConnections(keyingOperation->getInputSocket(3), 3, graph);
if (keying_data->blur_pre) {
/* chroma preblur operation for input of keying operation */
OutputSocket *preBluredImage = setupPreBlur(graph, inputImage, keying_data->blur_pre, &originalImage);
addLink(graph, preBluredImage, keyingOperation->getInputSocket(0));
}
else {
inputImage->relinkConnections(keyingOperation->getInputSocket(0), 0, graph);
originalImage = keyingOperation->getInputSocket(0)->getConnection()->getFromSocket();
}
graph->addOperation(keyingOperation);
postprocessedMatte = keyingOperation->getOutputSocket();
if (keying_data->clip_black > 0.0f || keying_data->clip_white< 1.0f) {
postprocessedMatte = setupClip(graph, postprocessedMatte,
keying_data->edge_kernel_radius, keying_data->edge_kernel_tolerance,
keying_data->clip_black, keying_data->clip_white, false);
}
edgesMatte = setupClip(graph, postprocessedMatte,
keying_data->edge_kernel_radius, keying_data->edge_kernel_tolerance,
keying_data->clip_black, keying_data->clip_white, true);
/* apply blur on matte if needed */
if (keying_data->blur_post)
postprocessedMatte = setupPostBlur(graph, postprocessedMatte, keying_data->blur_post);
/* matte dilate/erode */
if (keying_data->dilate_distance != 0) {
postprocessedMatte = setupDilateErode(graph, postprocessedMatte, keying_data->dilate_distance);
}
/* set alpha channel to output image */
SetAlphaOperation *alphaOperation = new SetAlphaOperation();
addLink(graph, originalImage, alphaOperation->getInputSocket(0));
addLink(graph, postprocessedMatte, alphaOperation->getInputSocket(1));
postprocessedImage = alphaOperation->getOutputSocket();
/* despill output image */
if (keying_data->despill_factor > 0.0f) {
postprocessedImage = setupDespill(graph, postprocessedImage,
keyingOperation->getInputSocket(1)->getConnection()->getFromSocket(),
keying_data->despill_factor);
}
/* connect result to output sockets */
outputImage->relinkConnections(postprocessedImage);
outputMatte->relinkConnections(postprocessedMatte);
outputEdges->relinkConnections(edgesMatte);
graph->addOperation(alphaOperation);
}
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