blob: ce2d700f89196c8a90b4a2a92ea89463938c0731 (
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
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/****************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt Design Tooling
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "keyframe.h"
#include <vector>
class QPointF;
namespace DesignTools {
class CurveSegment
{
public:
CurveSegment();
CurveSegment(const Keyframe &first, const Keyframe &last);
bool containsX(double x) const;
QPointF evaluate(double t) const;
std::vector<QPointF> extrema() const;
std::vector<double> yForX(double x) const;
std::vector<double> xForY(double y) const;
void setLeft(const Keyframe &frame);
void setRight(const Keyframe &frame);
private:
Keyframe m_left;
Keyframe m_right;
};
} // End namespace DesignTools.
|
