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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/*
* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include "modules/desktop_capture/desktop_geometry.h"
#include <algorithm>
#include <cmath>
namespace webrtc {
bool DesktopRect::Contains(const DesktopVector& point) const {
return point.x() >= left() && point.x() < right() && point.y() >= top() &&
point.y() < bottom();
}
bool DesktopRect::ContainsRect(const DesktopRect& rect) const {
return rect.left() >= left() && rect.right() <= right() &&
rect.top() >= top() && rect.bottom() <= bottom();
}
void DesktopRect::IntersectWith(const DesktopRect& rect) {
left_ = std::max(left(), rect.left());
top_ = std::max(top(), rect.top());
right_ = std::min(right(), rect.right());
bottom_ = std::min(bottom(), rect.bottom());
if (is_empty()) {
left_ = 0;
top_ = 0;
right_ = 0;
bottom_ = 0;
}
}
void DesktopRect::UnionWith(const DesktopRect& rect) {
if (is_empty()) {
*this = rect;
return;
}
if (rect.is_empty()) {
return;
}
left_ = std::min(left(), rect.left());
top_ = std::min(top(), rect.top());
right_ = std::max(right(), rect.right());
bottom_ = std::max(bottom(), rect.bottom());
}
void DesktopRect::Translate(int32_t dx, int32_t dy) {
left_ += dx;
top_ += dy;
right_ += dx;
bottom_ += dy;
}
void DesktopRect::Extend(int32_t left_offset,
int32_t top_offset,
int32_t right_offset,
int32_t bottom_offset) {
left_ -= left_offset;
top_ -= top_offset;
right_ += right_offset;
bottom_ += bottom_offset;
}
void DesktopRect::Scale(double horizontal, double vertical) {
right_ += static_cast<int>(std::round(width() * (horizontal - 1)));
bottom_ += static_cast<int>(std::round(height() * (vertical - 1)));
}
} // namespace webrtc
|
