63 lines
2.3 KiB
C++
63 lines
2.3 KiB
C++
// Copyright 2017 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_INTERFACE_H_
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#define DRACO_COMPRESSION_ATTRIBUTES_ATTRIBUTES_DECODER_INTERFACE_H_
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#include <vector>
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#include "draco/core/decoder_buffer.h"
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#include "draco/point_cloud/point_cloud.h"
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namespace draco {
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class PointCloudDecoder;
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// Interface class for decoding one or more attributes that were encoded with a
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// matching AttributesEncoder. It provides only the basic interface
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// that is used by the PointCloudDecoder. The actual decoding must be
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// implemented in derived classes using the DecodeAttributes() method.
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class AttributesDecoderInterface {
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public:
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AttributesDecoderInterface() = default;
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virtual ~AttributesDecoderInterface() = 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 Init(PointCloudDecoder *decoder, PointCloud *pc) = 0;
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// Decodes any attribute decoder specific data from the |in_buffer|.
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virtual bool DecodeAttributesDecoderData(DecoderBuffer *in_buffer) = 0;
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// Decode attribute data from the source buffer. Needs to be implemented by
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// the derived classes.
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virtual bool DecodeAttributes(DecoderBuffer *in_buffer) = 0;
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virtual int32_t GetAttributeId(int i) const = 0;
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virtual int32_t GetNumAttributes() const = 0;
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virtual PointCloudDecoder *GetDecoder() const = 0;
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// Returns an attribute containing data processed by the attribute transform.
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// (see TransformToPortableFormat() method). This data is guaranteed to be
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// same for encoder and decoder and it can be used by predictors.
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virtual const PointAttribute *GetPortableAttribute(
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int32_t /* point_attribute_id */) {
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return nullptr;
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}
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};
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} // namespace draco
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#endif // DRACO_COMPRESSION_ATTRIBUTES_ATTRIBUTES_DECODER_INTERFACE_H_
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