52 lines
2.0 KiB
C++
52 lines
2.0 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_KD_TREE_ATTRIBUTES_ENCODER_H_
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#define DRACO_COMPRESSION_ATTRIBUTES_KD_TREE_ATTRIBUTES_ENCODER_H_
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#include "draco/attributes/attribute_quantization_transform.h"
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#include "draco/compression/attributes/attributes_encoder.h"
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#include "draco/compression/config/compression_shared.h"
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namespace draco {
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// Encodes all attributes of a given PointCloud using one of the available
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// Kd-tree compression methods.
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// See compression/point_cloud/point_cloud_kd_tree_encoder.h for more details.
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class KdTreeAttributesEncoder : public AttributesEncoder {
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public:
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KdTreeAttributesEncoder();
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explicit KdTreeAttributesEncoder(int att_id);
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uint8_t GetUniqueId() const override { return KD_TREE_ATTRIBUTE_ENCODER; }
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protected:
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bool TransformAttributesToPortableFormat() override;
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bool EncodePortableAttributes(EncoderBuffer *out_buffer) override;
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bool EncodeDataNeededByPortableTransforms(EncoderBuffer *out_buffer) override;
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private:
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std::vector<AttributeQuantizationTransform>
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attribute_quantization_transforms_;
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// Min signed values are used to transform signed integers into unsigned ones
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// (by subtracting the min signed value for each component).
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std::vector<int32_t> min_signed_values_;
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std::vector<std::unique_ptr<PointAttribute>> quantized_portable_attributes_;
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int num_components_;
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};
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} // namespace draco
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#endif // DRACO_COMPRESSION_ATTRIBUTES_KD_TREE_ATTRIBUTES_ENCODER_H_
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