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
|
// Copyright (c) 2012 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 <Cocoa/Cocoa.h>
#include "base/logging.h"
#include "base/memory/scoped_nsobject.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/gfx/image/image.h"
#include "ui/gfx/image/image_skia.h"
#include "ui/gfx/image/image_unittest_util.h"
namespace {
class ImageMacTest : public testing::Test {
public:
void CreateBitmapImageRep(int width, int height, NSImageRep** image_rep) {
scoped_nsobject<NSImage> image(
[[NSImage alloc] initWithSize:NSMakeSize(width, height)]);
[image lockFocus];
[[NSColor redColor] set];
NSRectFill(NSMakeRect(0, 0, width, height));
[image unlockFocus];
EXPECT_TRUE([[[image representations] lastObject]
isKindOfClass:[NSImageRep class]]);
*image_rep = [[image representations] lastObject];
}
};
namespace gt = gfx::test;
TEST_F(ImageMacTest, MultiResolutionNSImageToImageSkia) {
const int width1x = 10;
const int height1x = 12;
const int width2x = 20;
const int height2x = 24;
NSImageRep* image_rep_1;
CreateBitmapImageRep(width1x, height1x, &image_rep_1);
NSImageRep* image_rep_2;
CreateBitmapImageRep(width2x, height2x, &image_rep_2);
scoped_nsobject<NSImage> ns_image(
[[NSImage alloc] initWithSize:NSMakeSize(width1x, height1x)]);
[ns_image addRepresentation:image_rep_1];
[ns_image addRepresentation:image_rep_2];
gfx::Image image(ns_image.release());
EXPECT_EQ(1u, image.RepresentationCount());
const gfx::ImageSkia* image_skia = image.ToImageSkia();
EXPECT_EQ(2u, image_skia->bitmaps().size());
float scale_factor;
const SkBitmap& bitmap1x = image_skia->GetBitmapForScale(1.0f, 1.0f,
&scale_factor);
EXPECT_TRUE(!bitmap1x.isNull());
EXPECT_EQ(1.0f, scale_factor);
EXPECT_EQ(width1x, bitmap1x.width());
EXPECT_EQ(height1x, bitmap1x.height());
const SkBitmap& bitmap2x = image_skia->GetBitmapForScale(2.0f, 2.0f,
&scale_factor);
EXPECT_TRUE(!bitmap2x.isNull());
EXPECT_EQ(2.0f, scale_factor);
EXPECT_EQ(width2x, bitmap2x.width());
EXPECT_EQ(height2x, bitmap2x.height());
// ToImageSkia should create a second representation.
EXPECT_EQ(2u, image.RepresentationCount());
}
TEST_F(ImageMacTest, MultiResolutionImageSkiaToNSImage) {
const int width1x = 10;
const int height1x= 12;
const int width2x = 20;
const int height2x = 24;
gfx::ImageSkia image_skia;
image_skia.AddBitmapForScale(gt::CreateBitmap(width1x, height1x), 1.0f);
image_skia.AddBitmapForScale(gt::CreateBitmap(width2x, height2x), 2.0f);
gfx::Image image(image_skia);
EXPECT_EQ(1u, image.RepresentationCount());
EXPECT_EQ(2u, image.ToImageSkia()->bitmaps().size());
NSImage* ns_image = image;
EXPECT_TRUE(ns_image);
// Image size should be the same as the 1x bitmap.
EXPECT_EQ([ns_image size].width, width1x);
EXPECT_EQ([ns_image size].height, height1x);
EXPECT_EQ(2u, [[image representations] count]);
NSImageRep* image_rep_1 = [[image representations] objectAtIndex:0];
NSImageRep* image_rep_2 = [[image representations] objectAtIndex:1];
if ([image_rep_1 size].width == width1x) {
EXPECT_EQ([image_rep_1 size].width, width1x);
EXPECT_EQ([image_rep_1 size].height, height1x);
EXPECT_EQ([image_rep_2 size].width, width2x);
EXPECT_EQ([image_rep_2 size].height, height2x);
} else {
EXPECT_EQ([image_rep_1 size].width, width2x);
EXPECT_EQ([image_rep_1 size].height, height2x);
EXPECT_EQ([image_rep_2 size].width, width1x);
EXPECT_EQ([image_rep_2 size].height, height1x);
}
// Cast to NSImage* should create a second representation.
EXPECT_EQ(2u, image.RepresentationCount());
}
} // namespace
|
