C++ OutputSocket::isConnected方法代码示例

void DistanceMatteNode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
	InputSocket *inputSocketImage = this->getInputSocket(0);
	InputSocket *inputSocketKey = this->getInputSocket(1);
	OutputSocket *outputSocketImage = this->getOutputSocket(0);
	OutputSocket *outputSocketMatte = this->getOutputSocket(1);

	DistanceMatteOperation *operation = new DistanceMatteOperation();
	bNode *editorsnode = getbNode();
	operation->setSettings((NodeChroma *)editorsnode->storage);

	inputSocketImage->relinkConnections(operation->getInputSocket(0), 0, graph);
	inputSocketKey->relinkConnections(operation->getInputSocket(1), 1, graph);

	if (outputSocketMatte->isConnected()) {
		outputSocketMatte->relinkConnections(operation->getOutputSocket());
	}

	graph->addOperation(operation);

	SetAlphaOperation *operationAlpha = new SetAlphaOperation();
	addLink(graph, operation->getInputSocket(0)->getConnection()->getFromSocket(), operationAlpha->getInputSocket(0));
	addLink(graph, operation->getOutputSocket(), operationAlpha->getInputSocket(1));

	graph->addOperation(operationAlpha);
	addPreviewOperation(graph, operationAlpha->getOutputSocket());

	if (outputSocketImage->isConnected()) {
		outputSocketImage->relinkConnections(operationAlpha->getOutputSocket());
	}
}

void DistanceMatteNode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
	InputSocket *inputSocketImage = this->getInputSocket(0);
	InputSocket *inputSocketKey = this->getInputSocket(1);
	OutputSocket *outputSocketImage = this->getOutputSocket(0);
	OutputSocket *outputSocketMatte = this->getOutputSocket(1);

	NodeOperation *operation;
	bNode *editorsnode = getbNode();
	NodeChroma *storage = (NodeChroma *)editorsnode->storage;

	/* work in RGB color space */
	if (storage->channel == 1) {
		operation = new DistanceRGBMatteOperation();
		((DistanceRGBMatteOperation *) operation)->setSettings(storage);

		inputSocketImage->relinkConnections(operation->getInputSocket(0), 0, graph);
		inputSocketKey->relinkConnections(operation->getInputSocket(1), 1, graph);
	}
	/* work in YCbCr color space */
	else {
		operation = new DistanceYCCMatteOperation();
		((DistanceYCCMatteOperation *) operation)->setSettings(storage);

		ConvertRGBToYCCOperation *operationYCCImage = new ConvertRGBToYCCOperation();
		inputSocketImage->relinkConnections(operationYCCImage->getInputSocket(0), 0, graph);
		addLink(graph, operationYCCImage->getOutputSocket(), operation->getInputSocket(0));
		graph->addOperation(operationYCCImage);

		ConvertRGBToYCCOperation *operationYCCMatte = new ConvertRGBToYCCOperation();
		inputSocketKey->relinkConnections(operationYCCMatte->getInputSocket(0), 1, graph);
		addLink(graph, operationYCCMatte->getOutputSocket(), operation->getInputSocket(1));
		graph->addOperation(operationYCCMatte);
	}

	if (outputSocketMatte->isConnected()) {
		outputSocketMatte->relinkConnections(operation->getOutputSocket());
	}

	graph->addOperation(operation);

	SetAlphaOperation *operationAlpha = new SetAlphaOperation();
	addLink(graph, operation->getInputSocket(0)->getConnection()->getFromSocket(), operationAlpha->getInputSocket(0));
	addLink(graph, operation->getOutputSocket(), operationAlpha->getInputSocket(1));

	graph->addOperation(operationAlpha);
	addPreviewOperation(graph, context, operationAlpha->getOutputSocket());

	if (outputSocketImage->isConnected()) {
		outputSocketImage->relinkConnections(operationAlpha->getOutputSocket());
	}
}

void RenderLayersNode::testSocketConnection(ExecutionSystem *system, CompositorContext *context, int outputSocketNumber, RenderLayersBaseProg *operation)
{
	OutputSocket *outputSocket = this->getOutputSocket(outputSocketNumber);
	Scene *scene = (Scene *)this->getbNode()->id;
	short layerId = this->getbNode()->custom1;

	if (outputSocket->isConnected()) {
		operation->setScene(scene);
		operation->setLayerId(layerId);
		operation->setRenderData(context->getRenderData());
		outputSocket->relinkConnections(operation->getOutputSocket());
		system->addOperation(operation);
		if (outputSocketNumber == 0) { // only do for image socket if connected
			addPreviewOperation(system, context, operation->getOutputSocket());
		}
	}
	else {
		if (outputSocketNumber == 0) {
			system->addOperation(operation);
			operation->setScene(scene);
			operation->setLayerId(layerId);
			operation->setRenderData(context->getRenderData());
			addPreviewOperation(system, context, operation->getOutputSocket());
		}
		else {
			delete operation;
		}
	}
}

void MuteNode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
	vector<OutputSocket *> &outputsockets = this->getOutputSockets();

	for (unsigned int index = 0; index < outputsockets.size(); index++) {
		OutputSocket *output = outputsockets[index];
		if (output->isConnected()) {
			reconnect(graph, output);
		}
	}
}

void ChromaMatteNode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
	InputSocket *inputSocketImage = this->getInputSocket(0);
	InputSocket *inputSocketKey = this->getInputSocket(1);
	OutputSocket *outputSocketImage = this->getOutputSocket(0);
	OutputSocket *outputSocketMatte = this->getOutputSocket(1);

	ConvertRGBToYCCOperation *operationRGBToYCC_Image = new ConvertRGBToYCCOperation();
	ConvertRGBToYCCOperation *operationRGBToYCC_Key = new ConvertRGBToYCCOperation();
	operationRGBToYCC_Image->setMode(0); /* BLI_YCC_ITU_BT601 */
	operationRGBToYCC_Key->setMode(0); /* BLI_YCC_ITU_BT601 */

	ChromaMatteOperation *operation = new ChromaMatteOperation();
	bNode *editorsnode = getbNode();
	operation->setSettings((NodeChroma *)editorsnode->storage);

	inputSocketImage->relinkConnections(operationRGBToYCC_Image->getInputSocket(0), 0, graph);
	inputSocketKey->relinkConnections(operationRGBToYCC_Key->getInputSocket(0), 0, graph);

	addLink(graph, operationRGBToYCC_Image->getOutputSocket(), operation->getInputSocket(0));
	addLink(graph, operationRGBToYCC_Key->getOutputSocket(), operation->getInputSocket(1));

	graph->addOperation(operationRGBToYCC_Image);
	graph->addOperation(operationRGBToYCC_Key);
	graph->addOperation(operation);

	if (outputSocketMatte->isConnected()) {
		outputSocketMatte->relinkConnections(operation->getOutputSocket());
	}

	SetAlphaOperation *operationAlpha = new SetAlphaOperation();
	addLink(graph, operationRGBToYCC_Image->getInputSocket(0)->getConnection()->getFromSocket(), operationAlpha->getInputSocket(0));
	addLink(graph, operation->getOutputSocket(), operationAlpha->getInputSocket(1));

	graph->addOperation(operationAlpha);
	addPreviewOperation(graph, context, operationAlpha->getOutputSocket());

	if (outputSocketImage->isConnected()) {
		outputSocketImage->relinkConnections(operationAlpha->getOutputSocket());
	}
}

void SeparateRGBANode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
	InputSocket *imageSocket = this->getInputSocket(0);
	OutputSocket *outputRSocket = this->getOutputSocket(0);
	OutputSocket *outputGSocket = this->getOutputSocket(1);
	OutputSocket *outputBSocket = this->getOutputSocket(2);
	OutputSocket *outputASocket = this->getOutputSocket(3);

	if (outputRSocket->isConnected()) {
		SeparateChannelOperation *operation = new SeparateChannelOperation();
		operation->setChannel(0);
		imageSocket->relinkConnectionsDuplicate(operation->getInputSocket(0), 0, graph);
		outputRSocket->relinkConnections(operation->getOutputSocket(0));
		graph->addOperation(operation);
	}
	if (outputGSocket->isConnected()) {
		SeparateChannelOperation *operation = new SeparateChannelOperation();
		operation->setChannel(1);
		imageSocket->relinkConnectionsDuplicate(operation->getInputSocket(0), 0, graph);
		outputGSocket->relinkConnections(operation->getOutputSocket(0));
		graph->addOperation(operation);
	}
	if (outputBSocket->isConnected()) {
		SeparateChannelOperation *operation = new SeparateChannelOperation();
		operation->setChannel(2);
		imageSocket->relinkConnectionsDuplicate(operation->getInputSocket(0), 0, graph);
		outputBSocket->relinkConnections(operation->getOutputSocket(0));
		graph->addOperation(operation);
	}
	if (outputASocket->isConnected()) {
		SeparateChannelOperation *operation = new SeparateChannelOperation();
		operation->setChannel(3);
		imageSocket->relinkConnectionsDuplicate(operation->getInputSocket(0), 0, graph);
		outputASocket->relinkConnections(operation->getOutputSocket(0));
		graph->addOperation(operation);
	}
	
	/* remove the original connection to the node, this has been duplicated for all operations */
	imageSocket->unlinkConnections(graph);
}

void CombineYCCANode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
	ConvertYCCToRGBOperation *operation = new ConvertYCCToRGBOperation();
	OutputSocket *outputSocket = this->getOutputSocket(0);

	bNode *node = this->getbNode();
	operation->setMode(node->custom1);

	if (outputSocket->isConnected()) {
		outputSocket->relinkConnections(operation->getOutputSocket());
		addLink(graph, outputSocket, operation->getInputSocket(0));
	}

	graph->addOperation(operation);
	CombineRGBANode::convertToOperations(graph, context);
}

void SocketProxyNode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
	OutputSocket *outputsocket = this->getOutputSocket(0);
	InputSocket *inputsocket = this->getInputSocket(0);
	if (outputsocket->isConnected()) {
		if (inputsocket->isConnected()) {
			SocketProxyOperation *operation = new SocketProxyOperation(this->getOutputSocket()->getDataType());
			inputsocket->relinkConnections(operation->getInputSocket(0));
			outputsocket->relinkConnections(operation->getOutputSocket(0));
			graph->addOperation(operation);
		}
		else {
			/* If input is not connected, add a constant value operation instead */
			switch (outputsocket->getDataType()) {
				case COM_DT_VALUE:
				{
					SetValueOperation *operation = new SetValueOperation();
					bNodeSocketValueFloat *dval = (bNodeSocketValueFloat *)inputsocket->getbNodeSocket()->default_value;
					operation->setValue(dval->value);
					outputsocket->relinkConnections(operation->getOutputSocket(0));
					graph->addOperation(operation);
					break;
				}
				case COM_DT_COLOR:
				{
					SetColorOperation *operation = new SetColorOperation();
					bNodeSocketValueRGBA *dval = (bNodeSocketValueRGBA *)inputsocket->getbNodeSocket()->default_value;
					operation->setChannels(dval->value);
					outputsocket->relinkConnections(operation->getOutputSocket(0));
					graph->addOperation(operation);
					break;
				}
				case COM_DT_VECTOR:
				{
					SetVectorOperation *operation = new SetVectorOperation();
					bNodeSocketValueVector *dval = (bNodeSocketValueVector *)inputsocket->getbNodeSocket()->default_value;
					operation->setVector(dval->value);
					outputsocket->relinkConnections(operation->getOutputSocket(0));
					graph->addOperation(operation);
					break;
				}
			}
		}
	}
}

void ImageNode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
	/// Image output
	OutputSocket *outputImage = this->getOutputSocket(0);
	bNode *editorNode = this->getbNode();
	Image *image = (Image *)editorNode->id;
	ImageUser *imageuser = (ImageUser *)editorNode->storage;
	int framenumber = context->getFramenumber();
	int numberOfOutputs = this->getNumberOfOutputSockets();
	BKE_image_user_frame_calc(imageuser, context->getFramenumber(), 0);

	/* force a load, we assume iuser index will be set OK anyway */
	if (image && image->type == IMA_TYPE_MULTILAYER) {
		bool is_multilayer_ok = false;
		ImBuf *ibuf = BKE_image_acquire_ibuf(image, imageuser, NULL);
		if (image->rr) {
			RenderLayer *rl = (RenderLayer *)BLI_findlink(&image->rr->layers, imageuser->layer);
			if (rl) {
				OutputSocket *socket;
				int index;

				is_multilayer_ok = true;

				for (index = 0; index < numberOfOutputs; index++) {
					NodeOperation *operation = NULL;
					socket = this->getOutputSocket(index);
					if (socket->isConnected() || index == 0) {
						bNodeSocket *bnodeSocket = socket->getbNodeSocket();
						NodeImageLayer *storage = (NodeImageLayer *)bnodeSocket->storage;
						int passindex = storage->pass_index;
						
						RenderPass *rpass = (RenderPass *)BLI_findlink(&rl->passes, passindex);
						if (rpass) {
							imageuser->pass = passindex;
							switch (rpass->channels) {
								case 1:
									operation = doMultilayerCheck(graph, rl, image, imageuser, framenumber, index, passindex, COM_DT_VALUE);
									break;
								/* using image operations for both 3 and 4 channels (RGB and RGBA respectively) */
								/* XXX any way to detect actual vector images? */
								case 3:
									operation = doMultilayerCheck(graph, rl, image, imageuser, framenumber, index, passindex, COM_DT_VECTOR);
									break;
								case 4:
									operation = doMultilayerCheck(graph, rl, image, imageuser, framenumber, index, passindex, COM_DT_COLOR);
									break;
								default:
									/* dummy operation is added below */
									break;
							}

							if (index == 0 && operation) {
								addPreviewOperation(graph, context, operation->getOutputSocket());
							}
						}
					}

					/* incase we can't load the layer */
					if (operation == NULL) {
						convertToOperations_invalid_index(graph, index);
					}
				}
			}
		}
		BKE_image_release_ibuf(image, ibuf, NULL);

		/* without this, multilayer that fail to load will crash blender [#32490] */
		if (is_multilayer_ok == false) {
			convertToOperations_invalid(graph, context);
		}
	}
	else {
		if (numberOfOutputs >  0) {
			ImageOperation *operation = new ImageOperation();
			if (outputImage->isConnected()) {
				outputImage->relinkConnections(operation->getOutputSocket());
			}
			operation->setImage(image);
			operation->setImageUser(imageuser);
			operation->setFramenumber(framenumber);
			graph->addOperation(operation);
			addPreviewOperation(graph, context, operation->getOutputSocket());
		}
		
		if (numberOfOutputs > 1) {
			OutputSocket *alphaImage = this->getOutputSocket(1);
			if (alphaImage->isConnected()) {
				ImageAlphaOperation *alphaOperation = new ImageAlphaOperation();
				alphaOperation->setImage(image);
				alphaOperation->setImageUser(imageuser);
				alphaOperation->setFramenumber(framenumber);
				alphaImage->relinkConnections(alphaOperation->getOutputSocket());
				graph->addOperation(alphaOperation);
			}
		}
		if (numberOfOutputs > 2) {
			OutputSocket *depthImage = this->getOutputSocket(2);
			if (depthImage->isConnected()) {
				ImageDepthOperation *depthOperation = new ImageDepthOperation();
				depthOperation->setImage(image);
//.........这里部分代码省略.........

void MovieClipNode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
	OutputSocket *outputMovieClip = this->getOutputSocket(0);
	OutputSocket *alphaMovieClip = this->getOutputSocket(1);
	OutputSocket *offsetXMovieClip = this->getOutputSocket(2);
	OutputSocket *offsetYMovieClip = this->getOutputSocket(3);
	OutputSocket *scaleMovieClip = this->getOutputSocket(4);
	OutputSocket *angleMovieClip = this->getOutputSocket(5);
	
	bNode *editorNode = this->getbNode();
	MovieClip *movieClip = (MovieClip *)editorNode->id;
	MovieClipUser *movieClipUser = (MovieClipUser *)editorNode->storage;
	bool cacheFrame = !context->isRendering();

	ImBuf *ibuf = NULL;
	if (movieClip) {
		if (cacheFrame)
			ibuf = BKE_movieclip_get_ibuf(movieClip, movieClipUser);
		else
			ibuf = BKE_movieclip_get_ibuf_flag(movieClip, movieClipUser, movieClip->flag, MOVIECLIP_CACHE_SKIP);
	}
	
	// always connect the output image
	MovieClipOperation *operation = new MovieClipOperation();
	
	addPreviewOperation(graph, context, operation->getOutputSocket());
	if (outputMovieClip->isConnected()) {
		outputMovieClip->relinkConnections(operation->getOutputSocket());
	}

	operation->setMovieClip(movieClip);
	operation->setMovieClipUser(movieClipUser);
	operation->setFramenumber(context->getFramenumber());
	operation->setCacheFrame(cacheFrame);
	graph->addOperation(operation);

	if (alphaMovieClip->isConnected()) {
		MovieClipAlphaOperation *alphaOperation = new MovieClipAlphaOperation();
		alphaOperation->setMovieClip(movieClip);
		alphaOperation->setMovieClipUser(movieClipUser);
		alphaOperation->setFramenumber(context->getFramenumber());
		alphaOperation->setCacheFrame(cacheFrame);
		alphaMovieClip->relinkConnections(alphaOperation->getOutputSocket());
		graph->addOperation(alphaOperation);
	}

	MovieTrackingStabilization *stab = &movieClip->tracking.stabilization;
	float loc[2], scale, angle;
	loc[0] = 0.0f;
	loc[1] = 0.0f;
	scale = 1.0f;
	angle = 0.0f;

	if (ibuf) {
		if (stab->flag & TRACKING_2D_STABILIZATION) {
			int clip_framenr = BKE_movieclip_remap_scene_to_clip_frame(movieClip, context->getFramenumber());

			BKE_tracking_stabilization_data_get(&movieClip->tracking, clip_framenr, ibuf->x, ibuf->y, loc, &scale, &angle);
		}
	}

	if (offsetXMovieClip->isConnected()) {
		SetValueOperation *operationSetValue = new SetValueOperation();
		operationSetValue->setValue(loc[0]);
		offsetXMovieClip->relinkConnections(operationSetValue->getOutputSocket());
		graph->addOperation(operationSetValue);
	}
	if (offsetYMovieClip->isConnected()) {
		SetValueOperation *operationSetValue = new SetValueOperation();
		operationSetValue->setValue(loc[1]);
		offsetYMovieClip->relinkConnections(operationSetValue->getOutputSocket());
		graph->addOperation(operationSetValue);
	}
	if (scaleMovieClip->isConnected()) {
		SetValueOperation *operationSetValue = new SetValueOperation();
		operationSetValue->setValue(scale);
		scaleMovieClip->relinkConnections(operationSetValue->getOutputSocket());
		graph->addOperation(operationSetValue);
	}
	if (angleMovieClip->isConnected()) {
		SetValueOperation *operationSetValue = new SetValueOperation();
		operationSetValue->setValue(angle);
		angleMovieClip->relinkConnections(operationSetValue->getOutputSocket());
		graph->addOperation(operationSetValue);
	}

	if (ibuf) {
		IMB_freeImBuf(ibuf);
	}
}

void ImageNode::convertToOperations(ExecutionSystem *graph, CompositorContext *context)
{
	/// Image output
	OutputSocket *outputImage = this->getOutputSocket(0);
	bNode *editorNode = this->getbNode();
	Image *image = (Image *)editorNode->id;
	ImageUser *imageuser = (ImageUser *)editorNode->storage;
	int framenumber = context->getFramenumber();
	int numberOfOutputs = this->getNumberOfOutputSockets();
	bool outputStraightAlpha = (editorNode->custom1 & CMP_NODE_IMAGE_USE_STRAIGHT_OUTPUT) != 0;
	BKE_image_user_frame_calc(imageuser, context->getFramenumber(), 0);

	/* force a load, we assume iuser index will be set OK anyway */
	if (image && image->type == IMA_TYPE_MULTILAYER) {
		bool is_multilayer_ok = false;
		ImBuf *ibuf = BKE_image_acquire_ibuf(image, imageuser, NULL);
		if (image->rr) {
			RenderLayer *rl = (RenderLayer *)BLI_findlink(&image->rr->layers, imageuser->layer);
			if (rl) {
				OutputSocket *socket;
				int index;

				is_multilayer_ok = true;

				for (index = 0; index < numberOfOutputs; index++) {
					NodeOperation *operation = NULL;
					socket = this->getOutputSocket(index);
					if (socket->isConnected() || index == 0) {
						bNodeSocket *bnodeSocket = socket->getbNodeSocket();
						/* Passes in the file can differ from passes stored in sockets (#36755).
						 * Look up the correct file pass using the socket identifier instead.
						 */
						#if 0
						NodeImageLayer *storage = (NodeImageLayer *)bnodeSocket->storage;*/
						int passindex = storage->pass_index;*/
						RenderPass *rpass = (RenderPass *)BLI_findlink(&rl->passes, passindex);
						#endif
						int passindex;
						RenderPass *rpass;
						for (rpass = (RenderPass *)rl->passes.first, passindex = 0; rpass; rpass = rpass->next, ++passindex)
							if (STREQ(rpass->name, bnodeSocket->identifier))
								break;
						if (rpass) {
							imageuser->pass = passindex;
							switch (rpass->channels) {
								case 1:
									operation = doMultilayerCheck(graph, rl, image, imageuser, framenumber, index, passindex, COM_DT_VALUE);
									break;
								/* using image operations for both 3 and 4 channels (RGB and RGBA respectively) */
								/* XXX any way to detect actual vector images? */
								case 3:
									operation = doMultilayerCheck(graph, rl, image, imageuser, framenumber, index, passindex, COM_DT_VECTOR);
									break;
								case 4:
									operation = doMultilayerCheck(graph, rl, image, imageuser, framenumber, index, passindex, COM_DT_COLOR);
									break;
								default:
									/* dummy operation is added below */
									break;
							}

							if (index == 0 && operation) {
								addPreviewOperation(graph, context, operation->getOutputSocket());
							}
						}
					}

					/* incase we can't load the layer */
					if (operation == NULL) {
						convertToOperations_invalid_index(graph, index);
					}
				}
			}

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 = NULL, *postprocessedImage = NULL, *originalImage = NULL, *edgesMatte = NULL;

	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);

	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();

	/* black / white clipping */
	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);
	}

	/* output edge matte */
	if (outputEdges->isConnected()) {
		edgesMatte = setupClip(graph, postprocessedMatte,
		                       keying_data->edge_kernel_radius, keying_data->edge_kernel_tolerance,
		                       keying_data->clip_black, keying_data->clip_white, true);
	}

	/* apply garbage matte */
	if (inputGarbageMatte->isConnected()) {
		SetValueOperation *valueOperation = new SetValueOperation();
		MathSubtractOperation *subtractOperation = new MathSubtractOperation();
		MathMinimumOperation *minOperation = new MathMinimumOperation();

		valueOperation->setValue(1.0f);

		addLink(graph, valueOperation->getOutputSocket(), subtractOperation->getInputSocket(0));
		inputGarbageMatte->relinkConnections(subtractOperation->getInputSocket(1), 0, graph);

		addLink(graph, subtractOperation->getOutputSocket(), minOperation->getInputSocket(0));
		addLink(graph, postprocessedMatte, minOperation->getInputSocket(1));

		postprocessedMatte = minOperation->getOutputSocket();

		graph->addOperation(valueOperation);
		graph->addOperation(subtractOperation);
		graph->addOperation(minOperation);
	}

	/* apply core matte */
	if (inputCoreMatte->isConnected()) {
		MathMaximumOperation *maxOperation = new MathMaximumOperation();

		inputCoreMatte->relinkConnections(maxOperation->getInputSocket(0), 0, graph);

		addLink(graph, postprocessedMatte, maxOperation->getInputSocket(1));

		postprocessedMatte = maxOperation->getOutputSocket();

		graph->addOperation(maxOperation);
	}

	/* 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);
	}

	/* matte feather */
	if (keying_data->feather_distance != 0) {
		postprocessedMatte = setupFeather(graph, context, postprocessedMatte, keying_data->feather_falloff,
		                                  keying_data->feather_distance);
	}

	/* set alpha channel to output image */
	SetAlphaOperation *alphaOperation = new SetAlphaOperation();
//.........这里部分代码省略.........