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
|
#include <mbgl/test/util.hpp>
#include <mbgl/text/get_anchors.hpp>
using namespace mbgl;
namespace mbgl {
constexpr inline bool operator==(const Anchor& rhs, const Anchor& lhs) {
return rhs.point == lhs.point && rhs.angle == lhs.angle && rhs.segment == lhs.segment;
}
} // namespace mbgl
namespace {
const auto makeLine = [](std::size_t shift = 0u) {
GeometryCoordinates line;
for (std::size_t i = shift; i < 10u + shift; ++i) {
line.push_back({1, static_cast<int16_t>(i)});
}
return line;
};
const GeometryCoordinates continuedLine = makeLine();
const GeometryCoordinates nonContinuedLine = makeLine(1u);
const float smallSpacing = 2.0f;
const float bigSpacing = 3.0f;
const float textLeft = -1.0f;
const float textRight = 1.0f;
const float iconLeft = -0.5f;
const float iconRight = 0.5f;
const float glyphSize = 0.1f;
const float boxScale = 1.0f;
const float overscaling = 1.0f;
} // namespace
TEST(getAnchors, NonContinuedLineShortLabels) {
const Anchors anchors = getAnchors(
nonContinuedLine, bigSpacing, M_PI, textLeft, textRight, iconLeft, iconRight, glyphSize, boxScale, overscaling);
const Anchors expected_anchors = {Anchor(1.0f, 2.0f, 1.570796371f, 1u),
Anchor(1.0f, 5.0f, 1.570796371f, 4u),
Anchor(1.0f, 8.0f, 1.570796371f, 7u)};
EXPECT_EQ(anchors, expected_anchors);
}
TEST(getAnchors, NonContinuedLineLongLabels) {
const Anchors anchors = getAnchors(nonContinuedLine,
smallSpacing,
M_PI,
textLeft,
textRight,
iconLeft,
iconRight,
glyphSize,
boxScale,
overscaling);
const Anchors expected_anchors = {Anchor(1.0f, 2.0f, 1.570796371f, 1u),
Anchor(1.0f, 5.0f, 1.570796371f, 3u),
Anchor(1.0f, 7.0f, 1.570796371f, 6u)};
EXPECT_EQ(anchors, expected_anchors);
}
TEST(getAnchors, ContinuedLineShortLabels) {
const Anchors anchors = getAnchors(
continuedLine, bigSpacing, M_PI, textLeft, textRight, iconLeft, iconRight, glyphSize, boxScale, overscaling);
const Anchors expected_anchors = {Anchor(1.0f, 2.0f, 1.570796371f, 1u),
Anchor(1.0f, 5.0f, 1.570796371f, 4u),
Anchor(1.0f, 8.0f, 1.570796371f, 7u)};
EXPECT_EQ(anchors, expected_anchors);
}
TEST(getAnchors, ContinuedLineLongLabels) {
const Anchors anchors = getAnchors(
continuedLine, smallSpacing, M_PI, textLeft, textRight, iconLeft, iconRight, glyphSize, boxScale, overscaling);
const Anchors expected_anchors = {Anchor(1.0f, 1.0f, 1.570796371f, 1u),
Anchor(1.0f, 4.0f, 1.570796371f, 3u),
Anchor(1.0f, 6.0f, 1.570796371f, 6u)};
EXPECT_EQ(anchors, expected_anchors);
}
TEST(getAnchors, OverscaledAnchorsInParent) {
const Anchors anchors = getAnchors(
nonContinuedLine, bigSpacing, M_PI, textLeft, textRight, iconLeft, iconRight, glyphSize, boxScale, overscaling);
const Anchors childAnchors = getAnchors(nonContinuedLine,
bigSpacing / 2,
M_PI,
textLeft,
textRight,
iconLeft,
iconRight,
glyphSize,
0.5f /*boxScale*/,
2.0f /*overscaling*/);
for (const auto& anchor : anchors) {
EXPECT_TRUE(std::find(childAnchors.begin(), childAnchors.end(), anchor) != childAnchors.end());
}
}
TEST(getAnchors, UseMidpointForShortLine) {
const GeometryCoordinates shortLine = {Point<int16_t>{1, 1}, Point<int16_t>{1, 3}};
const Anchors anchors = getAnchors(
shortLine, smallSpacing, M_PI, textLeft, textRight, iconLeft, iconRight, glyphSize, boxScale, overscaling);
const Anchors expected_anchors = {Anchor(1.0f, 2.0f, 1.570796371f, 0u)};
EXPECT_EQ(anchors, expected_anchors);
}
TEST(getAnchors, GetCenterAnchor) {
const GeometryCoordinates line = {
Point<int16_t>{1, 1}, Point<int16_t>{1, 3}, Point<int16_t>{3, 6}, Point<int16_t>{4, 7}};
const auto anchor = getCenterAnchor(line, M_PI, textLeft, textRight, iconLeft, iconRight, glyphSize, boxScale);
EXPECT_TRUE(anchor);
EXPECT_EQ(*anchor, Anchor(2.0f, 4.0f, .982793748f, 1u));
}
TEST(getAnchors, GetCenterAnchorOutsideTileBounds) {
const GeometryCoordinates line = {Point<int16_t>{-10, -10}, Point<int16_t>{5, 5}};
const auto anchor = getCenterAnchor(line, M_PI, textLeft, textRight, iconLeft, iconRight, glyphSize, boxScale);
EXPECT_TRUE(anchor);
EXPECT_EQ(*anchor, Anchor(-3.0f, -3.0f, .785398185f, 0u));
}
TEST(getAnchors, GetCenterAnchorFailMaxAngle) {
const GeometryCoordinates line = {Point<int16_t>{1, 1}, Point<int16_t>{1, 3}, Point<int16_t>{3, 3}};
const auto anchor = getCenterAnchor(line, M_PI / 4, textLeft, textRight, iconLeft, iconRight, glyphSize, boxScale);
EXPECT_FALSE(anchor);
}
|
