blob: dc4dfffe9d5c756e32d1dc9dab7e3d14ceafbc4c (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
// Copyright 2016 The Draco Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#ifndef DRACO_COMPRESSION_ATTRIBUTES_LINEAR_SEQUENCER_H_
#define DRACO_COMPRESSION_ATTRIBUTES_LINEAR_SEQUENCER_H_
#include "draco/compression/attributes/points_sequencer.h"
namespace draco {
// A simple sequencer that generates a linear sequence [0, num_points - 1].
// I.e., the order of the points is preserved for the input data.
class LinearSequencer : public PointsSequencer {
public:
explicit LinearSequencer(int32_t num_points) : num_points_(num_points) {}
bool UpdatePointToAttributeIndexMapping(PointAttribute *attribute) override {
attribute->SetIdentityMapping();
return true;
}
protected:
bool GenerateSequenceInternal() override {
if (num_points_ < 0)
return false;
out_point_ids()->resize(num_points_);
for (int i = 0; i < num_points_; ++i) {
out_point_ids()->at(i) = PointIndex(i);
}
return true;
}
private:
int32_t num_points_;
};
} // namespace draco
#endif // DRACO_COMPRESSION_ATTRIBUTES_LINEAR_SEQUENCER_H_
|
