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
|
// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/utility/cropping_util.h"
#include "base/logging.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "third_party/skia/include/core/SkColor.h"
#include "third_party/skia/include/core/SkRect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/image/image_unittest_util.h"
namespace ash {
namespace {
SkBitmap CreateTestImage(int width, int height) {
SkBitmap image = gfx::test::CreateBitmap(width, height);
uint32_t pixel_val = 0;
for (int y = 0; y < height; ++y) {
for (int x = 0; x < width; ++x, ++pixel_val) {
uint8_t color = pixel_val % std::numeric_limits<uint8_t>::max();
*(image.getAddr32(x, y)) = SkColorSetARGB(color, color, color, color);
}
}
return image;
}
} // namespace
TEST(CroppingUtilTest, CropsLargerPortraitToSmallerLandscape) {
SkBitmap image = CreateTestImage(600, 1200);
SkBitmap cropped_actual = CenterCropImage(image, gfx::Size(300, 200));
// Cropped dimensions: 600 x 400
SkBitmap cropped_expected;
ASSERT_TRUE(image.extractSubset(&cropped_expected,
SkIRect::MakeXYWH(0, 400, 600, 400)));
EXPECT_TRUE(gfx::test::AreBitmapsEqual(cropped_actual, cropped_expected));
}
TEST(CroppingUtilTest, CropsLargerLandscapeToSmallerPortrait) {
SkBitmap image = CreateTestImage(1200, 600);
SkBitmap cropped_actual = CenterCropImage(image, gfx::Size(200, 300));
// Cropped dimensions: 400 x 600
SkBitmap cropped_expected;
ASSERT_TRUE(image.extractSubset(&cropped_expected,
SkIRect::MakeXYWH(400, 0, 400, 600)));
EXPECT_TRUE(gfx::test::AreBitmapsEqual(cropped_actual, cropped_expected));
}
TEST(CroppingUtilTest, CropsSmallerPortraitToLargerLandscape) {
SkBitmap image = CreateTestImage(200, 300);
SkBitmap cropped_actual = CenterCropImage(image, gfx::Size(1200, 600));
// Cropped dimensions: 200 x 100
SkBitmap cropped_expected;
ASSERT_TRUE(image.extractSubset(&cropped_expected,
SkIRect::MakeXYWH(0, 100, 200, 100)));
EXPECT_TRUE(gfx::test::AreBitmapsEqual(cropped_actual, cropped_expected));
}
TEST(CroppingUtilTest, CropsSmallerLandscapeToLargerPortrait) {
SkBitmap image = CreateTestImage(300, 200);
SkBitmap cropped_actual = CenterCropImage(image, gfx::Size(600, 1200));
// Cropped dimensions: 100 x 200
SkBitmap cropped_expected;
ASSERT_TRUE(image.extractSubset(&cropped_expected,
SkIRect::MakeXYWH(100, 0, 100, 200)));
EXPECT_TRUE(gfx::test::AreBitmapsEqual(cropped_actual, cropped_expected));
}
TEST(CroppingUtilTest, CropsWithIdenticalAspectRatio) {
SkBitmap image = CreateTestImage(600, 1200);
SkBitmap cropped_actual = CenterCropImage(image, gfx::Size(300, 600));
EXPECT_TRUE(gfx::test::AreBitmapsEqual(cropped_actual, image));
}
} // namespace ash
|
