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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/geometry/resize_utils.h"
#include <string>
#include "base/strings/strcat.h"
#include "base/strings/string_number_conversions.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
namespace gfx {
namespace {
// Aspect ratio is defined by width / height.
constexpr float kAspectRatioSquare = 1.0f;
constexpr float kAspectRatioHorizontal = 2.0f;
constexpr float kAspectRatioVertical = 0.5f;
constexpr Size kMinSizeHorizontal(20, 10);
constexpr Size kMaxSizeHorizontal(50, 25);
constexpr Size kMinSizeVertical(10, 20);
constexpr Size kMaxSizeVertical(25, 50);
std::string HitTestToString(ResizeEdge resize_edge) {
switch (resize_edge) {
case ResizeEdge::kTop:
return "top";
case ResizeEdge::kTopRight:
return "top-righ";
case ResizeEdge::kRight:
return "right";
case ResizeEdge::kBottomRight:
return "bottom-right";
case ResizeEdge::kBottom:
return "bottom";
case ResizeEdge::kBottomLeft:
return "bottom-left";
case ResizeEdge::kLeft:
return "left";
case ResizeEdge::kTopLeft:
return "top-left";
}
}
} // namespace
struct SizingParams {
ResizeEdge resize_edge{};
float aspect_ratio = 0.0f;
Size min_size;
Size max_size;
Rect input_rect;
Rect expected_output_rect;
std::string ToString() const {
return base::StrCat({HitTestToString(resize_edge),
" ratio=", base::NumberToString(aspect_ratio), " [",
min_size.ToString(), "..", max_size.ToString(), "] ",
input_rect.ToString(), " -> ",
expected_output_rect.ToString()});
}
};
using ResizeUtilsTest = testing::TestWithParam<SizingParams>;
TEST_P(ResizeUtilsTest, SizeRectToAspectRatio) {
Rect rect = GetParam().input_rect;
SizeRectToAspectRatio(GetParam().resize_edge, GetParam().aspect_ratio,
GetParam().min_size, GetParam().max_size, &rect);
EXPECT_EQ(rect, GetParam().expected_output_rect) << GetParam().ToString();
}
const SizingParams kSizeRectToSquareAspectRatioTestCases[] = {
// Dragging the top resizer up.
{ResizeEdge::kTop, kAspectRatioSquare, kMinSizeHorizontal,
kMaxSizeHorizontal, Rect(100, 98, 22, 24), Rect(100, 98, 24, 24)},
// Dragging the bottom resizer down.
{ResizeEdge::kBottom, kAspectRatioSquare, kMinSizeHorizontal,
kMaxSizeHorizontal, Rect(100, 100, 22, 24), Rect(100, 100, 24, 24)},
// Dragging the left resizer right.
{ResizeEdge::kLeft, kAspectRatioSquare, kMinSizeHorizontal,
kMaxSizeHorizontal, Rect(102, 100, 22, 24), Rect(102, 102, 22, 22)},
// Dragging the right resizer left.
{ResizeEdge::kRight, kAspectRatioSquare, kMinSizeHorizontal,
kMaxSizeHorizontal, Rect(100, 100, 22, 24), Rect(100, 100, 22, 22)},
// Dragging the top-left resizer right.
{ResizeEdge::kTopLeft, kAspectRatioSquare, kMinSizeHorizontal,
kMaxSizeHorizontal, Rect(102, 100, 22, 24), Rect(102, 102, 22, 22)},
// Dragging the top-right resizer down.
{ResizeEdge::kTopRight, kAspectRatioSquare, kMinSizeHorizontal,
kMaxSizeHorizontal, Rect(100, 102, 24, 22), Rect(100, 102, 22, 22)},
// Dragging the bottom-left resizer right.
{ResizeEdge::kBottomLeft, kAspectRatioSquare, kMinSizeHorizontal,
kMaxSizeHorizontal, Rect(100, 102, 22, 24), Rect(100, 102, 22, 22)},
// Dragging the bottom-right resizer up.
{ResizeEdge::kBottomRight, kAspectRatioSquare, kMinSizeHorizontal,
kMaxSizeHorizontal, Rect(100, 100, 24, 22), Rect(100, 100, 22, 22)},
// Dragging the bottom-right resizer left.
// Rect already as small as `kMinSizeHorizontal` allows.
{ResizeEdge::kBottomRight, kAspectRatioSquare, kMinSizeHorizontal,
kMaxSizeHorizontal,
Rect(100, 100, kMinSizeHorizontal.width(), kMinSizeHorizontal.width()),
Rect(100, 100, kMinSizeHorizontal.width(), kMinSizeHorizontal.width())},
// Dragging the top-left resizer left.
// Rect already as large as `kMaxSizeHorizontal` allows.
{ResizeEdge::kTopLeft, kAspectRatioSquare, kMinSizeHorizontal,
kMaxSizeHorizontal,
Rect(100, 100, kMaxSizeHorizontal.height(), kMaxSizeHorizontal.height()),
Rect(100, 100, kMaxSizeHorizontal.height(), kMaxSizeHorizontal.height())},
};
const SizingParams kSizeRectToHorizontalAspectRatioTestCases[] = {
// Dragging the top resizer down.
{ResizeEdge::kTop, kAspectRatioHorizontal, kMinSizeHorizontal,
kMaxSizeHorizontal, Rect(100, 102, 48, 22), Rect(100, 102, 44, 22)},
// Dragging the left resizer left.
{ResizeEdge::kLeft, kAspectRatioHorizontal, kMinSizeHorizontal,
kMaxSizeHorizontal, Rect(96, 100, 48, 22), Rect(96, 98, 48, 24)},
// Rect already as small as `kMinSizeHorizontal` allows.
{ResizeEdge::kTop, kAspectRatioHorizontal, kMinSizeHorizontal,
kMaxSizeHorizontal,
Rect(100, 100, kMinSizeHorizontal.width(), kMinSizeHorizontal.height()),
Rect(100, 100, kMinSizeHorizontal.width(), kMinSizeHorizontal.height())},
// Rect already as large as `kMaxSizeHorizontal` allows.
{ResizeEdge::kTop, kAspectRatioHorizontal, kMinSizeHorizontal,
kMaxSizeHorizontal,
Rect(100, 100, kMaxSizeHorizontal.width(), kMaxSizeHorizontal.height()),
Rect(100, 100, kMaxSizeHorizontal.width(), kMaxSizeHorizontal.height())},
};
const SizingParams kSizeRectToVerticalAspectRatioTestCases[] = {
// Dragging the bottom resizer up.
{ResizeEdge::kBottom, kAspectRatioVertical, kMinSizeVertical,
kMaxSizeVertical, Rect(100, 100, 24, 44), Rect(100, 100, 22, 44)},
// Dragging the right resizer right.
{ResizeEdge::kRight, kAspectRatioVertical, kMinSizeVertical,
kMaxSizeVertical, Rect(100, 100, 24, 44), Rect(100, 100, 24, 48)},
// Rect already as small as `kMinSizeVertical` allows.
{ResizeEdge::kTop, kAspectRatioVertical, kMinSizeVertical, kMaxSizeVertical,
Rect(100, 100, kMinSizeVertical.width(), kMinSizeVertical.height()),
Rect(100, 100, kMinSizeVertical.width(), kMinSizeVertical.height())},
// Rect already as large as `kMaxSizeVertical` allows.
{ResizeEdge::kTop, kAspectRatioVertical, kMinSizeVertical, kMaxSizeVertical,
Rect(100, 100, kMaxSizeVertical.width(), kMaxSizeVertical.height()),
Rect(100, 100, kMaxSizeVertical.width(), kMaxSizeVertical.height())},
};
INSTANTIATE_TEST_SUITE_P(
Square,
ResizeUtilsTest,
testing::ValuesIn(kSizeRectToSquareAspectRatioTestCases));
INSTANTIATE_TEST_SUITE_P(
Horizontal,
ResizeUtilsTest,
testing::ValuesIn(kSizeRectToHorizontalAspectRatioTestCases));
INSTANTIATE_TEST_SUITE_P(
Vertical,
ResizeUtilsTest,
testing::ValuesIn(kSizeRectToVerticalAspectRatioTestCases));
} // namespace gfx
|
