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
|
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "third_party/blink/renderer/platform/testing/picture_matchers.h"
#include <utility>
#include "third_party/blink/renderer/platform/wtf/text/wtf_string.h"
#include "third_party/blink/renderer/platform/wtf/vector.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkPicture.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/skia_conversions.h"
namespace blink {
namespace {
class DrawsRectangleCanvas : public SkCanvas {
public:
DrawsRectangleCanvas()
: SkCanvas(800, 600),
save_count_(0),
alpha_(255),
alpha_save_layer_count_(-1) {}
const Vector<RectWithColor>& RectsWithColor() const { return rects_; }
void onDrawRect(const SkRect& rect, const SkPaint& paint) override {
SkPoint quad[4];
getTotalMatrix().mapRectToQuad(quad, rect);
SkRect device_rect;
device_rect.setBounds(quad, 4);
SkIRect device_clip_bounds;
gfx::RectF clipped_rect;
if (getDeviceClipBounds(&device_clip_bounds) &&
device_rect.intersect(SkRect::Make(device_clip_bounds)))
clipped_rect = gfx::SkRectToRectF(device_rect);
unsigned paint_alpha = static_cast<unsigned>(paint.getAlpha());
SkPaint paint_with_alpha(paint);
paint_with_alpha.setAlpha(static_cast<U8CPU>(alpha_ * paint_alpha / 255));
// TODO(https://crbug.com/1351544): This class should use SkColor4f.
Color color = Color::FromSkColor(paint_with_alpha.getColor());
rects_.emplace_back(clipped_rect, color);
SkCanvas::onDrawRect(rect, paint);
}
SkCanvas::SaveLayerStrategy getSaveLayerStrategy(
const SaveLayerRec& rec) override {
save_count_++;
unsigned layer_alpha = static_cast<unsigned>(rec.fPaint->getAlpha());
if (layer_alpha < 255) {
DCHECK_EQ(alpha_save_layer_count_, -1);
alpha_save_layer_count_ = save_count_;
alpha_ = layer_alpha;
}
return SkCanvas::getSaveLayerStrategy(rec);
}
void willSave() override {
save_count_++;
SkCanvas::willSave();
}
void willRestore() override {
DCHECK_GT(save_count_, 0);
if (alpha_save_layer_count_ == save_count_) {
alpha_ = 255;
alpha_save_layer_count_ = -1;
}
save_count_--;
SkCanvas::willRestore();
}
private:
Vector<RectWithColor> rects_;
int save_count_;
unsigned alpha_;
int alpha_save_layer_count_;
};
class DrawsRectanglesMatcher
: public testing::MatcherInterface<const SkPicture&> {
public:
DrawsRectanglesMatcher(const Vector<RectWithColor>& rects_with_color)
: rects_with_color_(rects_with_color) {}
bool MatchAndExplain(const SkPicture& picture,
testing::MatchResultListener* listener) const override {
DrawsRectangleCanvas canvas;
picture.playback(&canvas);
const auto& actual_rects = canvas.RectsWithColor();
if (actual_rects.size() != rects_with_color_.size()) {
*listener << "which draws " << actual_rects.size() << " rects";
return false;
}
for (unsigned index = 0; index < actual_rects.size(); index++) {
const auto& actual_rect_with_color = actual_rects[index];
const auto& expect_rect_with_color = rects_with_color_[index];
if (gfx::ToEnclosingRect(actual_rect_with_color.rect) !=
gfx::ToEnclosingRect(expect_rect_with_color.rect) ||
actual_rect_with_color.color != expect_rect_with_color.color) {
if (listener->IsInterested()) {
*listener << "at index " << index << " which draws "
<< actual_rect_with_color.rect.ToString() << " with color "
<< actual_rect_with_color.color.SerializeAsCSSColor()
<< "\n";
}
return false;
}
}
return true;
}
void DescribeTo(::std::ostream* os) const override {
*os << "\n";
for (unsigned index = 0; index < rects_with_color_.size(); index++) {
const auto& rect_with_color = rects_with_color_[index];
*os << "at index " << index << " rect draws "
<< rect_with_color.rect.ToString() << " with color "
<< rect_with_color.color.SerializeAsCSSColor() << "\n";
}
}
private:
const Vector<RectWithColor> rects_with_color_;
};
} // namespace
testing::Matcher<const SkPicture&> DrawsRectangle(const gfx::RectF& rect,
Color color) {
Vector<RectWithColor> rects_with_color;
rects_with_color.push_back(RectWithColor(rect, color));
return testing::MakeMatcher(new DrawsRectanglesMatcher(rects_with_color));
}
testing::Matcher<const SkPicture&> DrawsRectangles(
const Vector<RectWithColor>& rects_with_color) {
return testing::MakeMatcher(new DrawsRectanglesMatcher(rects_with_color));
}
} // namespace blink
|
