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/*
* 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.
*
* Copyright 2021, Blender Foundation.
*/
#include "COM_MetaData.h"
#include "BKE_image.h"
#include "RE_pipeline.h"
#include <string_view>
void MetaData::add(const blender::StringRef key, const blender::StringRef value)
{
entries_.add(key, value);
}
void MetaData::addCryptomatteEntry(const blender::StringRef layer_name,
const blender::StringRefNull key,
const blender::StringRef value)
{
add(blender::bke::cryptomatte::BKE_cryptomatte_meta_data_key(layer_name, key), value);
}
/* Replace the hash neutral cryptomatte keys with hashed versions.
*
* When a conversion happens it will also add the cryptomatte name key with the given
* `layer_name`.*/
void MetaData::replaceHashNeutralCryptomatteKeys(const blender::StringRef layer_name)
{
std::string cryptomatte_hash = entries_.pop_default(META_DATA_KEY_CRYPTOMATTE_HASH, "");
std::string cryptomatte_conversion = entries_.pop_default(META_DATA_KEY_CRYPTOMATTE_CONVERSION,
"");
std::string cryptomatte_manifest = entries_.pop_default(META_DATA_KEY_CRYPTOMATTE_MANIFEST, "");
if (cryptomatte_hash.length() || cryptomatte_conversion.length() ||
cryptomatte_manifest.length()) {
addCryptomatteEntry(layer_name, "name", layer_name);
}
if (cryptomatte_hash.length()) {
addCryptomatteEntry(layer_name, "hash", cryptomatte_hash);
}
if (cryptomatte_conversion.length()) {
addCryptomatteEntry(layer_name, "conversion", cryptomatte_conversion);
}
if (cryptomatte_manifest.length()) {
addCryptomatteEntry(layer_name, "manifest", cryptomatte_manifest);
}
}
void MetaData::addToRenderResult(RenderResult *render_result) const
{
for (blender::Map<std::string, std::string>::Item entry : entries_.items()) {
BKE_render_result_stamp_data(render_result, entry.key.c_str(), entry.value.c_str());
}
}
void MetaDataExtractCallbackData::addMetaData(blender::StringRef key, blender::StringRefNull value)
{
if (!meta_data) {
meta_data = std::make_unique<MetaData>();
}
meta_data->add(key, value);
}
void MetaDataExtractCallbackData::setCryptomatteKeys(blender::StringRef cryptomatte_layer_name)
{
manifest_key = blender::bke::cryptomatte::BKE_cryptomatte_meta_data_key(cryptomatte_layer_name,
"manifest");
hash_key = blender::bke::cryptomatte::BKE_cryptomatte_meta_data_key(cryptomatte_layer_name,
"hash");
conversion_key = blender::bke::cryptomatte::BKE_cryptomatte_meta_data_key(cryptomatte_layer_name,
"conversion");
}
void MetaDataExtractCallbackData::extract_cryptomatte_meta_data(void *_data,
const char *propname,
char *propvalue,
int UNUSED(len))
{
MetaDataExtractCallbackData *data = static_cast<MetaDataExtractCallbackData *>(_data);
blender::StringRefNull key(propname);
if (key == data->hash_key) {
data->addMetaData(META_DATA_KEY_CRYPTOMATTE_HASH, propvalue);
}
else if (key == data->conversion_key) {
data->addMetaData(META_DATA_KEY_CRYPTOMATTE_CONVERSION, propvalue);
}
else if (key == data->manifest_key) {
data->addMetaData(META_DATA_KEY_CRYPTOMATTE_MANIFEST, propvalue);
}
}
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