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