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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
|
/*
* Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above
* copyright notice, this list of conditions and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
* OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
* THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include "third_party/blink/renderer/core/style/basic_shapes.h"
#include "third_party/blink/renderer/platform/geometry/length.h"
#include "third_party/blink/renderer/platform/geometry/length_functions.h"
#include "third_party/blink/renderer/platform/geometry/path.h"
#include "third_party/blink/renderer/platform/geometry/path_builder.h"
#include "ui/gfx/geometry/point_f.h"
#include "ui/gfx/geometry/rect_f.h"
#include "ui/gfx/geometry/size_f.h"
#include "ui/gfx/geometry/vector2d_f.h"
namespace blink {
gfx::PointF PointForCenterCoordinate(const BasicShapeCenterCoordinate& center_x,
const BasicShapeCenterCoordinate& center_y,
gfx::SizeF box_size) {
float x = FloatValueForLength(center_x.ComputedLength(), box_size.width());
float y = FloatValueForLength(center_y.ComputedLength(), box_size.height());
return gfx::PointF(x, y);
}
bool BasicShapeCircle::IsEqualAssumingSameType(const BasicShape& o) const {
const BasicShapeCircle& other = To<BasicShapeCircle>(o);
return center_x_ == other.center_x_ && center_y_ == other.center_y_ &&
radius_ == other.radius_;
}
float BasicShapeCircle::FloatValueForRadiusInBox(
const gfx::PointF& center,
const gfx::SizeF& box_size) const {
if (radius_.GetType() == BasicShapeRadius::kValue) {
return FloatValueForLength(
radius_.Value(),
hypotf(box_size.width(), box_size.height()) / sqrtf(2));
}
float width_delta = std::abs(box_size.width() - center.x());
float height_delta = std::abs(box_size.height() - center.y());
if (radius_.GetType() == BasicShapeRadius::kClosestSide) {
return std::min(std::min(std::abs(center.x()), width_delta),
std::min(std::abs(center.y()), height_delta));
}
// If radius.type() == BasicShapeRadius::kFarthestSide.
return std::max(std::max(center.x(), width_delta),
std::max(center.y(), height_delta));
}
Path BasicShapeCircle::GetPath(const gfx::RectF& bounding_box,
float /*zoom*/,
float path_scale) const {
const gfx::PointF center =
PointForCenterCoordinate(center_x_, center_y_, bounding_box.size());
return GetPathFromCenter(center, bounding_box, path_scale);
}
Path BasicShapeCircle::GetPathFromCenter(const gfx::PointF& center,
const gfx::RectF& bounding_box,
float path_scale) const {
const gfx::PointF scaled_center =
gfx::ScalePoint(center + bounding_box.OffsetFromOrigin(), path_scale);
const float scaled_radius =
FloatValueForRadiusInBox(center, bounding_box.size()) * path_scale;
return Path::MakeEllipse(scaled_center, scaled_radius, scaled_radius);
}
bool BasicShapeEllipse::IsEqualAssumingSameType(const BasicShape& o) const {
const BasicShapeEllipse& other = To<BasicShapeEllipse>(o);
return center_x_ == other.center_x_ && center_y_ == other.center_y_ &&
radius_x_ == other.radius_x_ && radius_y_ == other.radius_y_;
}
float BasicShapeEllipse::FloatValueForRadiusInBox(
const BasicShapeRadius& radius,
float center,
float box_width_or_height) const {
if (radius.GetType() == BasicShapeRadius::kValue) {
return FloatValueForLength(radius.Value(), box_width_or_height);
}
float width_or_height_delta = std::abs(box_width_or_height - center);
if (radius.GetType() == BasicShapeRadius::kClosestSide) {
return std::min(std::abs(center), width_or_height_delta);
}
DCHECK_EQ(radius.GetType(), BasicShapeRadius::kFarthestSide);
return std::max(center, width_or_height_delta);
}
Path BasicShapeEllipse::GetPath(const gfx::RectF& bounding_box,
float /*zoom*/,
float path_scale) const {
const gfx::PointF center =
PointForCenterCoordinate(center_x_, center_y_, bounding_box.size());
return GetPathFromCenter(center, bounding_box, path_scale);
}
Path BasicShapeEllipse::GetPathFromCenter(const gfx::PointF& center,
const gfx::RectF& bounding_box,
float path_scale) const {
const gfx::PointF scaled_center =
gfx::ScalePoint(center + bounding_box.OffsetFromOrigin(), path_scale);
const gfx::Vector2dF scaled_radius = gfx::ScaleVector2d(
gfx::Vector2dF(
FloatValueForRadiusInBox(radius_x_, center.x(), bounding_box.width()),
FloatValueForRadiusInBox(radius_y_, center.y(),
bounding_box.height())),
path_scale);
return Path::MakeEllipse(scaled_center, scaled_radius.x(), scaled_radius.y());
}
Path BasicShapePolygon::GetPath(const gfx::RectF& bounding_box,
float /*zoom*/,
float path_scale) const {
DCHECK(!(values_.size() % 2));
wtf_size_t length = values_.size();
PathBuilder builder;
builder.SetWindRule(wind_rule_);
if (!length) {
return builder.Finalize();
}
builder.MoveTo(gfx::ScalePoint(
gfx::PointF(FloatValueForLength(values_.at(0), bounding_box.width()) +
bounding_box.x(),
FloatValueForLength(values_.at(1), bounding_box.height()) +
bounding_box.y()),
path_scale));
for (wtf_size_t i = 2; i < length; i = i + 2) {
builder.LineTo(gfx::ScalePoint(
gfx::PointF(
FloatValueForLength(values_.at(i), bounding_box.width()) +
bounding_box.x(),
FloatValueForLength(values_.at(i + 1), bounding_box.height()) +
bounding_box.y()),
path_scale));
}
builder.Close();
return builder.Finalize();
}
bool BasicShapePolygon::IsEqualAssumingSameType(const BasicShape& o) const {
const BasicShapePolygon& other = To<BasicShapePolygon>(o);
return wind_rule_ == other.wind_rule_ && values_ == other.values_;
}
bool BasicShapeInset::IsEqualAssumingSameType(const BasicShape& o) const {
const auto& other = To<BasicShapeInset>(o);
return right_ == other.right_ && top_ == other.top_ &&
bottom_ == other.bottom_ && left_ == other.left_ &&
top_left_radius_ == other.top_left_radius_ &&
top_right_radius_ == other.top_right_radius_ &&
bottom_right_radius_ == other.bottom_right_radius_ &&
bottom_left_radius_ == other.bottom_left_radius_;
}
Path BasicShapeInset::GetPath(const gfx::RectF& bounding_box,
float /*zoom*/,
float path_scale) const {
const float left = FloatValueForLength(left_, bounding_box.width());
const float top = FloatValueForLength(top_, bounding_box.height());
const gfx::RectF scaled_rect = gfx::ScaleRect(
gfx::RectF(
left + bounding_box.x(), top + bounding_box.y(),
std::max<float>(bounding_box.width() - left -
FloatValueForLength(right_, bounding_box.width()),
0),
std::max<float>(
bounding_box.height() - top -
FloatValueForLength(bottom_, bounding_box.height()),
0)),
path_scale);
const gfx::SizeF box_size = bounding_box.size();
const auto scaled_radii = FloatRoundedRect::Radii(
gfx::ScaleSize(SizeForLengthSize(top_left_radius_, box_size), path_scale),
gfx::ScaleSize(SizeForLengthSize(top_right_radius_, box_size),
path_scale),
gfx::ScaleSize(SizeForLengthSize(bottom_left_radius_, box_size),
path_scale),
gfx::ScaleSize(SizeForLengthSize(bottom_right_radius_, box_size),
path_scale));
FloatRoundedRect final_rect(scaled_rect, scaled_radii);
final_rect.ConstrainRadii();
return Path::MakeRoundedRect(final_rect);
}
} // namespace blink
|
