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third_party
skia
modules
bentleyottmann
include
BentleyOttmann1.h
Go to the documentation of this file.
1
// Copyright 2023 Google LLC
2
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3
4
#ifndef BentleyOttman1_DEFINED
5
#define BentleyOttman1_DEFINED
6
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#include "
include/core/SkSpan.h
"
8
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#include <optional>
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#include <vector>
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namespace
bentleyottmann
{
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struct
Crossing
;
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struct
Segment
;
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// Takes in a list of segments, and returns intersection points found in the list of segments.
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// A return value of nullopt means that the data are out of range. An empty vector means there
18
// are no self intersections.
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//
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// If nullopt is returned, you could divide all your points by 2, and try again.
21
std::optional<std::vector<Crossing>>
bentley_ottmann_1
(
SkSpan<const Segment>
segments);
22
}
// namespace bentleyottmann
23
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#endif
// BentleyOttman1_DEFINED
SkSpan.h
SkSpan
Definition:
SkSpan_impl.h:65
bentleyottmann
Definition:
BentleyOttmann1.h:12
bentleyottmann::bentley_ottmann_1
std::optional< std::vector< Crossing > > bentley_ottmann_1(SkSpan< const Segment > segments)
Definition:
BentleyOttmann1.cpp:16
bentleyottmann::Crossing
Definition:
Segment.h:32
bentleyottmann::Segment
Definition:
Segment.h:15
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