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27cf67cd0f
1. Fixed crasher when dependent attributes were encoded. 2. Improved documentation to PointCloud::AddAttribute() methods 3. Fixed some of the inconsistencies with int64_t vs size_t usage 4. Fixed potential IO problems when the input stream does not start from 0.
49 lines
1.7 KiB
C++
49 lines
1.7 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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#include "compression/attributes/attributes_encoder.h"
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namespace draco {
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AttributesEncoder::AttributesEncoder()
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: point_cloud_encoder_(nullptr), point_cloud_(nullptr) {}
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AttributesEncoder::AttributesEncoder(int att_id) : AttributesEncoder() {
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AddAttributeId(att_id);
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}
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bool AttributesEncoder::Initialize(PointCloudEncoder *encoder,
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const PointCloud *pc) {
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point_cloud_encoder_ = encoder;
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point_cloud_ = pc;
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return true;
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}
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bool AttributesEncoder::EncodeAttributesEncoderData(EncoderBuffer *out_buffer) {
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// Encode data about all attributes.
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out_buffer->Encode(num_attributes());
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for (int i = 0; i < num_attributes(); ++i) {
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const int32_t att_id = point_attribute_ids_[i];
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const PointAttribute *const pa = point_cloud_->attribute(att_id);
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out_buffer->Encode(static_cast<uint8_t>(pa->attribute_type()));
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out_buffer->Encode(static_cast<uint8_t>(pa->data_type()));
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out_buffer->Encode(static_cast<uint8_t>(pa->components_count()));
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out_buffer->Encode(static_cast<uint8_t>(pa->normalized()));
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out_buffer->Encode(static_cast<uint16_t>(pa->custom_id()));
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}
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return true;
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}
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} // namespace draco
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