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// 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.
//
#ifndef DRACO_COMPRESSION_ATTRIBUTES_SEQUENTIAL_QUANTIZATION_ATTRIBUTE_ENCODER_H_
#define DRACO_COMPRESSION_ATTRIBUTES_SEQUENTIAL_QUANTIZATION_ATTRIBUTE_ENCODER_H_
#include "draco/attributes/attribute_quantization_transform.h"
#include "draco/compression/attributes/sequential_integer_attribute_encoder.h"
namespace draco {
class MeshEncoder;
// Attribute encoder that quantizes floating point attribute values. The
// quantized values can be optionally compressed using an entropy coding.
class SequentialQuantizationAttributeEncoder
: public SequentialIntegerAttributeEncoder {
public:
SequentialQuantizationAttributeEncoder();
uint8_t GetUniqueId() const override {
return SEQUENTIAL_ATTRIBUTE_ENCODER_QUANTIZATION;
}
bool Init(PointCloudEncoder *encoder, int attribute_id) override;
bool IsLossyEncoder() const override { return true; }
bool EncodeDataNeededByPortableTransform(EncoderBuffer *out_buffer) override;
protected:
// Put quantized values in portable attribute for sequential encoding.
bool PrepareValues(const std::vector<PointIndex> &point_ids,
int num_points) override;
private:
// Used for the quantization.
AttributeQuantizationTransform attribute_quantization_transform_;
};
} // namespace draco
#endif // DRACO_COMPRESSION_ATTRIBUTES_SEQUENTIAL_QUANTIZATION_ATTRIBUTE_ENCODER_H_
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