C++ OutputSocket::getDataType方法代码示例

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;
				}
			}
		}
	}
}

//.........这里部分代码省略.........
									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);
				depthOperation->setImageUser(imageuser);
				depthOperation->setFramenumber(framenumber);
				depthImage->relinkConnections(depthOperation->getOutputSocket());
				graph->addOperation(depthOperation);
			}
		}
		if (numberOfOutputs > 3) {
			/* happens when unlinking image datablock from multilayer node */
			for (int i = 3; i < numberOfOutputs; i++) {
				OutputSocket *output = this->getOutputSocket(i);
				NodeOperation *operation = NULL;
				switch (output->getDataType()) {
					case COM_DT_VALUE:
					{
						SetValueOperation *valueoperation = new SetValueOperation();
						valueoperation->setValue(0.0f);
						operation = valueoperation;
						break;
					}
					case COM_DT_VECTOR:
					{
						SetVectorOperation *vectoroperation = new SetVectorOperation();
						vectoroperation->setX(0.0f);
						vectoroperation->setY(0.0f);
						vectoroperation->setW(0.0f);
						operation = vectoroperation;
						break;
					}
					case COM_DT_COLOR:
					{
						SetColorOperation *coloroperation = new SetColorOperation();
						coloroperation->setChannel1(0.0f);
						coloroperation->setChannel2(0.0f);
						coloroperation->setChannel3(0.0f);
						coloroperation->setChannel4(0.0f);
						operation = coloroperation;
						break;
					}
				}

				if (operation) {
					output->relinkConnections(operation->getOutputSocket());
					graph->addOperation(operation);
				}
			}
		}
	}
}