OutputSocket *KeyingNode::setupFeather(ExecutionSystem *graph, CompositorContext *context,
OutputSocket *featherInput, int falloff, int distance)
{
/* this uses a modified gaussian blur function otherwise its far too slow */
CompositorQuality quality = context->getQuality();
/* initialize node data */
NodeBlurData *data = &this->m_alpha_blur;
memset(data, 0, sizeof(*data));
data->filtertype = R_FILTER_GAUSS;
if (distance > 0) {
data->sizex = data->sizey = distance;
}
else {
data->sizex = data->sizey = -distance;
}
GaussianAlphaXBlurOperation *operationx = new GaussianAlphaXBlurOperation();
operationx->setData(data);
operationx->setQuality(quality);
operationx->setSize(1.0f);
operationx->setSubtract(distance < 0);
operationx->setFalloff(falloff);
operationx->setbNode(this->getbNode());
graph->addOperation(operationx);
GaussianAlphaYBlurOperation *operationy = new GaussianAlphaYBlurOperation();
operationy->setData(data);
operationy->setQuality(quality);
operationy->setSize(1.0f);
operationy->setSubtract(distance < 0);
operationy->setFalloff(falloff);
operationy->setbNode(this->getbNode());
graph->addOperation(operationy);
addLink(graph, featherInput, operationx->getInputSocket(0));
addLink(graph, operationx->getOutputSocket(), operationy->getInputSocket(0));
return operationy->getOutputSocket();
}
