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