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extern/draco/draco/src/draco/core/data_buffer.cc
- This file was moved from extern/draco/dracoenc/src/draco/core/data_buffer.cc.
| // Copyright 2016 The Draco Authors. | // Copyright 2016 The Draco Authors. | ||||
| // | // | ||||
| // Licensed under the Apache License, Version 2.0 (the "License"); | // Licensed under the Apache License, Version 2.0 (the "License"); | ||||
| // you may not use this file except in compliance with the License. | // you may not use this file except in compliance with the License. | ||||
| // You may obtain a copy of the License at | // You may obtain a copy of the License at | ||||
| // | // | ||||
| // http://www.apache.org/licenses/LICENSE-2.0 | // http://www.apache.org/licenses/LICENSE-2.0 | ||||
| // | // | ||||
| // Unless required by applicable law or agreed to in writing, software | // Unless required by applicable law or agreed to in writing, software | ||||
| // distributed under the License is distributed on an "AS IS" BASIS, | // distributed under the License is distributed on an "AS IS" BASIS, | ||||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||||
| // See the License for the specific language governing permissions and | // See the License for the specific language governing permissions and | ||||
| // limitations under the License. | // limitations under the License. | ||||
| // | // | ||||
| #include "draco/core/data_buffer.h" | #include "draco/core/data_buffer.h" | ||||
| #include <algorithm> | #include <algorithm> | ||||
| namespace draco { | namespace draco { | ||||
| DataBuffer::DataBuffer() {} | DataBuffer::DataBuffer() {} | ||||
| bool DataBuffer::Update(const void *data, int64_t size) { | bool DataBuffer::Update(const void *data, int64_t size) { | ||||
| const int64_t offset = 0; | const int64_t offset = 0; | ||||
| return this->Update(data, size, offset); | return this->Update(data, size, offset); | ||||
| } | } | ||||
| bool DataBuffer::Update(const void *data, int64_t size, int64_t offset) { | bool DataBuffer::Update(const void *data, int64_t size, int64_t offset) { | ||||
| if (data == nullptr) { | if (data == nullptr) { | ||||
| if (size + offset < 0) | if (size + offset < 0) { | ||||
| return false; | return false; | ||||
| } | |||||
| // If no data is provided, just resize the buffer. | // If no data is provided, just resize the buffer. | ||||
| data_.resize(size + offset); | data_.resize(size + offset); | ||||
| } else { | } else { | ||||
| if (size < 0) | if (size < 0) { | ||||
| return false; | return false; | ||||
| if (size + offset > static_cast<int64_t>(data_.size())) | } | ||||
| if (size + offset > static_cast<int64_t>(data_.size())) { | |||||
| data_.resize(size + offset); | data_.resize(size + offset); | ||||
| } | |||||
| const uint8_t *const byte_data = static_cast<const uint8_t *>(data); | const uint8_t *const byte_data = static_cast<const uint8_t *>(data); | ||||
| std::copy(byte_data, byte_data + size, data_.data() + offset); | std::copy(byte_data, byte_data + size, data_.data() + offset); | ||||
| } | } | ||||
| descriptor_.buffer_update_count++; | descriptor_.buffer_update_count++; | ||||
| return true; | return true; | ||||
| } | } | ||||
| void DataBuffer::Resize(int64_t size) { | void DataBuffer::Resize(int64_t size) { | ||||
| data_.resize(size); | data_.resize(size); | ||||
| descriptor_.buffer_update_count++; | descriptor_.buffer_update_count++; | ||||
| } | } | ||||
| void DataBuffer::WriteDataToStream(std::ostream &stream) { | void DataBuffer::WriteDataToStream(std::ostream &stream) { | ||||
| if (data_.size() == 0) | if (data_.size() == 0) { | ||||
| return; | return; | ||||
| } | |||||
| stream.write(reinterpret_cast<char *>(data_.data()), data_.size()); | stream.write(reinterpret_cast<char *>(data_.data()), data_.size()); | ||||
| } | } | ||||
| } // namespace draco | } // namespace draco | ||||