forked from chromium/chromium
-
Notifications
You must be signed in to change notification settings - Fork 0
/
paint_info_unittest.cc
280 lines (238 loc) · 9.95 KB
/
paint_info_unittest.cc
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
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
// Copyright 2017 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/views/paint_info.h"
#include <memory>
#include <vector>
#include "base/memory/ref_counted.h"
#include "cc/base/region.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/compositor/compositor_switches.h"
#include "ui/compositor/paint_context.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
namespace views {
namespace {
using PaintInfos = std::vector<std::unique_ptr<PaintInfo>>;
// Device scale factors
constexpr float DSF100 = 1.f;
constexpr float DSF125 = 1.25f;
constexpr float DSF150 = 1.5f;
constexpr float DSF160 = 1.6f;
constexpr float DSF166 = 1.66f;
const std::vector<float> kDsfList = {DSF100, DSF125, DSF150, DSF160, DSF166};
constexpr gfx::Size kLayerSize(123, 456);
// ___________
// | 1 |
// |___________|
// | 3 | 4 | 5 | <-- 2 (encapsulates 3, 4 and 5)
// |___|___|___|
// | 7 | 8 | <-- 6 (encapsulates 7 and 8)
// |_______|___|
//
// |r_0| encapsulates 1, 2 and 6.
const gfx::Rect r_0(kLayerSize);
constexpr gfx::Rect r_1(0, 0, 123, 152);
constexpr gfx::Rect r_2(0, 152, 123, 152);
constexpr gfx::Rect r_3(0, 0, 41, 152);
constexpr gfx::Rect r_4(41, 0, 41, 152);
constexpr gfx::Rect r_5(82, 0, 41, 152);
constexpr gfx::Rect r_6(0, 304, 123, 152);
constexpr gfx::Rect r_7(0, 0, 82, 152);
constexpr gfx::Rect r_8(82, 0, 41, 152);
// Verifies that the child recording bounds completely cover the parent
// recording bounds.
void VerifyChildBoundsCoversParent(const PaintInfo* parent_paint_info,
const std::vector<PaintInfo*>& info_list) {
cc::Region remaining(gfx::Rect(parent_paint_info->paint_recording_size()));
int times_empty = 0;
for (auto* const paint_info : info_list) {
const gfx::Rect& child_recording_bounds =
paint_info->paint_recording_bounds() -
parent_paint_info->paint_recording_bounds().OffsetFromOrigin();
EXPECT_TRUE(remaining.Contains(child_recording_bounds))
<< "Remaining: " << remaining.ToString()
<< " paint recording bounds: " << child_recording_bounds.ToString();
remaining.Subtract(child_recording_bounds);
times_empty += remaining.IsEmpty();
}
EXPECT_EQ(times_empty, 1);
}
void VerifyPixelCanvasCornerScaling(const PaintInfos& info_list) {
// child 1, child 2 and child 6 should completely cover child 0.
std::vector<PaintInfo*> child_info_list;
child_info_list.push_back(info_list[1].get());
child_info_list.push_back(info_list[2].get());
child_info_list.push_back(info_list[6].get());
VerifyChildBoundsCoversParent(info_list[0].get(), child_info_list);
child_info_list.clear();
// Child 3,4 and 5 should completely cover child 2.
child_info_list.push_back(info_list[3].get());
child_info_list.push_back(info_list[4].get());
child_info_list.push_back(info_list[5].get());
VerifyChildBoundsCoversParent(info_list[2].get(), child_info_list);
child_info_list.clear();
// Child 7 and 8 should completely cover child 6.
child_info_list.push_back(info_list[7].get());
child_info_list.push_back(info_list[8].get());
VerifyChildBoundsCoversParent(info_list[6].get(), child_info_list);
child_info_list.clear();
}
void VerifyPixelSizesAreSameAsDIPSize(const PaintInfos& info_list) {
EXPECT_EQ(info_list[0]->paint_recording_size(), r_0.size());
EXPECT_EQ(info_list[1]->paint_recording_size(), r_1.size());
EXPECT_EQ(info_list[2]->paint_recording_size(), r_2.size());
EXPECT_EQ(info_list[3]->paint_recording_size(), r_3.size());
EXPECT_EQ(info_list[4]->paint_recording_size(), r_4.size());
EXPECT_EQ(info_list[5]->paint_recording_size(), r_5.size());
EXPECT_EQ(info_list[6]->paint_recording_size(), r_6.size());
EXPECT_EQ(info_list[7]->paint_recording_size(), r_7.size());
EXPECT_EQ(info_list[8]->paint_recording_size(), r_8.size());
}
} // namespace
class PaintInfoTest : public ::testing::Test {
public:
PaintInfoTest() = default;
~PaintInfoTest() override = default;
// ___________
// | 1 |
// |___________|
// | 3 | 4 | 5 | <-- 2 (encapsulates 3, 4 and 5)
// |___|___|___|
// | 7 | 8 | <-- 6 (encapsulates 7 and 8)
// |_______|___|
//
// |r_0| encapsulates 1, 2 and 6.
//
// Returns the following arrangement of paint recording bounds for the given
// |dsf|
PaintInfos GetPaintInfoSetup(const ui::PaintContext& context) {
PaintInfos info_list(9);
info_list[0].reset(new PaintInfo(context, kLayerSize));
info_list[1].reset(
new PaintInfo(*info_list[0], r_1, r_0.size(),
PaintInfo::ScaleType::kScaleWithEdgeSnapping, false));
info_list[2].reset(
new PaintInfo(*info_list[0], r_2, r_0.size(),
PaintInfo::ScaleType::kScaleWithEdgeSnapping, false));
info_list[3].reset(
new PaintInfo(*info_list[2], r_3, r_2.size(),
PaintInfo::ScaleType::kScaleWithEdgeSnapping, false));
info_list[4].reset(
new PaintInfo(*info_list[2], r_4, r_2.size(),
PaintInfo::ScaleType::kScaleWithEdgeSnapping, false));
info_list[5].reset(
new PaintInfo(*info_list[2], r_5, r_2.size(),
PaintInfo::ScaleType::kScaleWithEdgeSnapping, false));
info_list[6].reset(
new PaintInfo(*info_list[0], r_6, r_0.size(),
PaintInfo::ScaleType::kScaleWithEdgeSnapping, false));
info_list[7].reset(
new PaintInfo(*info_list[6], r_7, r_6.size(),
PaintInfo::ScaleType::kScaleWithEdgeSnapping, false));
info_list[8].reset(
new PaintInfo(*info_list[6], r_8, r_6.size(),
PaintInfo::ScaleType::kScaleWithEdgeSnapping, false));
return info_list;
}
void VerifyInvalidationRects(float dsf, bool pixel_canvas_enabled) {
std::vector<gfx::Rect> invalidation_rects = {
gfx::Rect(0, 0, 123, 41), // Intersects with 0 & 1.
gfx::Rect(0, 76, 60, 152), // Intersects 0, 1, 2, 3 & 4.
gfx::Rect(41, 152, 41, 152), // Intersects with 0, 2 & 4.
gfx::Rect(80, 320, 4, 4), // Intersects with 0, 6, 7 & 8.
gfx::Rect(40, 151, 43, 154), // Intersects all
gfx::Rect(82, 304, 1, 1), // Intersects with 0, 6 & 8.
gfx::Rect(81, 303, 2, 2) // Intersects with 0, 2, 4, 5, 6, 7, 8
};
std::vector<std::vector<int>> repaint_indices = {
std::vector<int>{0, 1},
std::vector<int>{0, 1, 2, 3, 4},
std::vector<int>{0, 2, 4},
std::vector<int>{0, 6, 7, 8},
std::vector<int>{0, 1, 2, 3, 4, 5, 6, 7, 8},
std::vector<int>{0, 6, 8},
std::vector<int>{0, 2, 4, 5, 6, 7, 8}};
PaintInfos info_list;
EXPECT_EQ(repaint_indices.size(), invalidation_rects.size());
for (size_t i = 0; i < invalidation_rects.size(); i++) {
ui::PaintContext context(nullptr, dsf, invalidation_rects[i],
pixel_canvas_enabled);
info_list = GetPaintInfoSetup(context);
for (int repaint_index : repaint_indices[i]) {
EXPECT_TRUE(info_list[repaint_index]->context().IsRectInvalid(
gfx::Rect(info_list[repaint_index]->paint_recording_size())));
}
info_list.clear();
}
}
};
TEST_F(PaintInfoTest, CornerScalingPixelCanvasEnabled) {
PaintInfos info_list;
for (float dsf : kDsfList) {
ui::PaintContext context(nullptr, dsf, gfx::Rect(), true);
info_list = GetPaintInfoSetup(context);
VerifyPixelCanvasCornerScaling(info_list);
info_list.clear();
}
// More accurate testing for 1.25 dsf
ui::PaintContext context(nullptr, DSF125, gfx::Rect(), true);
info_list = GetPaintInfoSetup(context);
VerifyPixelCanvasCornerScaling(info_list);
EXPECT_EQ(info_list[0]->paint_recording_size(), gfx::Size(154, 570));
EXPECT_EQ(info_list[1]->paint_recording_size(), gfx::Size(154, 190));
EXPECT_EQ(info_list[2]->paint_recording_bounds(),
gfx::Rect(0, 190, 154, 190));
EXPECT_EQ(info_list[3]->paint_recording_size(), gfx::Size(51, 190));
EXPECT_EQ(info_list[4]->paint_recording_bounds(),
gfx::Rect(51, 190, 52, 190));
EXPECT_EQ(info_list[5]->paint_recording_bounds(),
gfx::Rect(103, 190, 51, 190));
EXPECT_EQ(info_list[6]->paint_recording_bounds(),
gfx::Rect(0, 380, 154, 190));
EXPECT_EQ(info_list[7]->paint_recording_size(), gfx::Size(103, 190));
EXPECT_EQ(info_list[8]->paint_recording_bounds(),
gfx::Rect(103, 380, 51, 190));
}
TEST_F(PaintInfoTest, ScalingWithPixelCanvasDisabled) {
for (float dsf : kDsfList) {
ui::PaintContext context(nullptr, dsf, gfx::Rect(), false);
PaintInfos info_list = GetPaintInfoSetup(context);
VerifyPixelCanvasCornerScaling(info_list);
VerifyPixelSizesAreSameAsDIPSize(info_list);
info_list.clear();
}
}
TEST_F(PaintInfoTest, Invalidation) {
for (float dsf : kDsfList) {
VerifyInvalidationRects(dsf, false);
VerifyInvalidationRects(dsf, true);
}
}
// Make sure the PaintInfo used for view's layer uses the
// corderedbounds.
TEST_F(PaintInfoTest, LayerPaintInfo) {
const gfx::Rect kViewBounds(15, 20, 7, 13);
struct TestData {
const float dsf;
const gfx::Size size;
};
const TestData kTestData[6]{
{1.0f, {7, 13}}, // rounded enclosing (if these scaling is appleid)
{1.25f, {9, 16}}, // 9x16 10x17
{1.5f, {10, 20}}, // 11x20 11x20
{1.6f, {11, 21}}, // 11x21 12x21
{1.75f, {13, 23}}, // 12x23 13x23
{2.f, {14, 26}}, // 14x26 14x26
};
for (const TestData& data : kTestData) {
SCOPED_TRACE(testing::Message() << "dsf:" << data.dsf);
ui::PaintContext context(nullptr, data.dsf, gfx::Rect(), true);
PaintInfo parent_paint_info(context, gfx::Size());
PaintInfo paint_info = PaintInfo::CreateChildPaintInfo(
parent_paint_info, kViewBounds, gfx::Size(),
PaintInfo::ScaleType::kScaleWithEdgeSnapping, true);
EXPECT_EQ(gfx::Rect(data.size), paint_info.paint_recording_bounds());
}
}
} // namespace views