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https://git.mirrors.martin98.com/https://github.com/google/draco
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52 lines
1.6 KiB
C++
52 lines
1.6 KiB
C++
// Copyright 2016 The Draco Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "core/data_buffer.h"
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namespace draco {
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DataBuffer::DataBuffer() {}
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void DataBuffer::Update(const void *data, int64_t size) {
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if (data == nullptr) {
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// If no data is provided, just resize the buffer.
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data_.resize(size);
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} else {
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const uint8_t *const byte_data = static_cast<const uint8_t *>(data);
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data_.assign(byte_data, byte_data + size);
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}
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descriptor_.buffer_update_count++;
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}
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void DataBuffer::Update(const void *data, int64_t size, int64_t offset) {
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if (data == nullptr) {
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// If no data is provided, just resize the buffer.
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data_.resize(size + offset);
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} else {
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if (size + offset > data_.size())
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data_.resize(size + offset);
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const uint8_t *const byte_data = static_cast<const uint8_t *>(data);
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std::copy(byte_data, byte_data + size, data_.data() + offset);
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}
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descriptor_.buffer_update_count++;
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}
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void DataBuffer::WriteDataToStream(std::ostream &stream) {
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if (data_.size() == 0)
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return;
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stream.write(reinterpret_cast<char *>(data_.data()), data_.size());
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}
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} // namespace draco
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