1 // Copyright 2016 The Draco Authors. 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // http://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 // 15 #ifndef DRACO_COMPRESSION_ATTRIBUTES_KD_TREE_ATTRIBUTES_DECODER_H_ 16 #define DRACO_COMPRESSION_ATTRIBUTES_KD_TREE_ATTRIBUTES_DECODER_H_ 17 18 #include "draco/attributes/attribute_quantization_transform.h" 19 #include "draco/compression/attributes/attributes_decoder.h" 20 21 namespace draco { 22 23 // Decodes attributes encoded with the KdTreeAttributesEncoder. 24 class KdTreeAttributesDecoder : public AttributesDecoder { 25 public: 26 KdTreeAttributesDecoder(); 27 28 protected: 29 bool DecodePortableAttributes(DecoderBuffer *in_buffer) override; 30 bool DecodeDataNeededByPortableTransforms(DecoderBuffer *in_buffer) override; 31 bool TransformAttributesToOriginalFormat() override; 32 33 private: 34 template <typename SignedDataTypeT> 35 bool TransformAttributeBackToSignedType(PointAttribute *att, 36 int num_processed_signed_components); 37 38 std::vector<AttributeQuantizationTransform> 39 attribute_quantization_transforms_; 40 std::vector<int32_t> min_signed_values_; 41 std::vector<std::unique_ptr<PointAttribute>> quantized_portable_attributes_; 42 }; 43 44 } // namespace draco 45 46 #endif // DRACO_COMPRESSION_ATTRIBUTES_KD_TREE_ATTRIBUTES_DECODER_H_ 47