bool NodeOperation::determineDependingAreaOfInterest(rcti *input,
ReadBufferOperation *readOperation,
rcti *output)
{
if (isInputOperation()) {
BLI_rcti_init(output, input->xmin, input->xmax, input->ymin, input->ymax);
return false;
}
else {
rcti tempOutput;
bool first = true;
for (int i = 0; i < getNumberOfInputSockets(); i++) {
NodeOperation *inputOperation = this->getInputOperation(i);
if (inputOperation &&
inputOperation->determineDependingAreaOfInterest(input, readOperation, &tempOutput)) {
if (first) {
output->xmin = tempOutput.xmin;
output->ymin = tempOutput.ymin;
output->xmax = tempOutput.xmax;
output->ymax = tempOutput.ymax;
first = false;
}
else {
output->xmin = min(output->xmin, tempOutput.xmin);
output->ymin = min(output->ymin, tempOutput.ymin);
output->xmax = max(output->xmax, tempOutput.xmax);
output->ymax = max(output->ymax, tempOutput.ymax);
}
}
}
return !first;
}
}
void OutputFileNode::convertToOperations(NodeConverter &converter, const CompositorContext &context) const
{
NodeImageMultiFile *storage = (NodeImageMultiFile *)this->getbNode()->storage;
if (!context.isRendering()) {
/* only output files when rendering a sequence -
* otherwise, it overwrites the output files just
* scrubbing through the timeline when the compositor updates.
*/
return;
}
if (storage->format.imtype == R_IMF_IMTYPE_MULTILAYER) {
/* single output operation for the multilayer file */
OutputOpenExrMultiLayerOperation *outputOperation = new OutputOpenExrMultiLayerOperation(
context.getRenderData(), context.getbNodeTree(), storage->base_path, storage->format.exr_codec);
converter.addOperation(outputOperation);
int num_inputs = getNumberOfInputSockets();
bool previewAdded = false;
for (int i = 0; i < num_inputs; ++i) {
NodeInput *input = getInputSocket(i);
NodeImageMultiFileSocket *sockdata = (NodeImageMultiFileSocket *)input->getbNodeSocket()->storage;
/* note: layer becomes an empty placeholder if the input is not linked */
outputOperation->add_layer(sockdata->layer, input->getDataType(), input->isLinked());
converter.mapInputSocket(input, outputOperation->getInputSocket(i));
if (!previewAdded) {
converter.addNodeInputPreview(input);
previewAdded = true;
}
}
}
else { /* single layer format */
int num_inputs = getNumberOfInputSockets();
bool previewAdded = false;
for (int i = 0; i < num_inputs; ++i) {
NodeInput *input = getInputSocket(i);
if (input->isLinked()) {
NodeImageMultiFileSocket *sockdata = (NodeImageMultiFileSocket *)input->getbNodeSocket()->storage;
ImageFormatData *format = (sockdata->use_node_format ? &storage->format : &sockdata->format);
char path[FILE_MAX];
/* combine file path for the input */
BLI_join_dirfile(path, FILE_MAX, storage->base_path, sockdata->path);
OutputSingleLayerOperation *outputOperation = new OutputSingleLayerOperation(
context.getRenderData(), context.getbNodeTree(), input->getDataType(), format, path,
context.getViewSettings(), context.getDisplaySettings());
converter.addOperation(outputOperation);
converter.mapInputSocket(input, outputOperation->getInputSocket(0));
if (!previewAdded) {
converter.addNodeInputPreview(input);
previewAdded = true;
}
}
}
}
}
