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62 lines
2.2 KiB
C++
62 lines
2.2 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_ATTRIBUTES_DECODER_H_
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#define DRACO_COMPRESSION_ATTRIBUTES_ATTRIBUTES_DECODER_H_
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#include <vector>
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#include "core/decoder_buffer.h"
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#include "point_cloud/point_cloud.h"
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namespace draco {
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class PointCloudDecoder;
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// Base class for decoding one or more attributes that were encoded with a
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// matching AttributesEncoder. This base class provides only the basic interface
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// that is used by the PointCloudDecoder. The actual encoding must be
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// implemented in derived classes using the DecodeAttributes() method.
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class AttributesDecoder {
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public:
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AttributesDecoder();
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virtual ~AttributesDecoder() = default;
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// Called after all attribute decoders are created. It can be used to perform
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// any custom initialization.
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virtual bool Initialize(PointCloudDecoder *decoder, PointCloud *pc);
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// Decodes any attribute decoder specific data from the |in_buffer|.
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virtual bool DecodeAttributesDecoderData(DecoderBuffer *in_buffer);
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// Decode attribute data from the source buffer. Needs to be implmented by the
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// derived classes.
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virtual bool DecodeAttributes(DecoderBuffer *in_buffer) = 0;
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int32_t GetAttributeId(int i) const { return point_attribute_ids_[i]; }
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int32_t num_attributes() const { return point_attribute_ids_.size(); }
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PointCloudDecoder *decoder() const { return point_cloud_decoder_; }
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private:
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// List of attribute ids that need to be decoded with this decoder.
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std::vector<int32_t> point_attribute_ids_;
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PointCloudDecoder *point_cloud_decoder_;
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PointCloud *point_cloud_;
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};
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} // namespace draco
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#endif // DRACO_COMPRESSION_ATTRIBUTES_ATTRIBUTES_DECODER_H_
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