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
|
/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "SkTypes.h"
#include "Resources.h"
#include "Test.h"
#if SK_SUPPORT_GPU
#include "GrContext.h"
#endif
#include "SkColorSpace_Base.h"
#include "SkImage.h"
#include "SkSurface.h"
#include "SkReadBuffer.h"
#include "SkWriteBuffer.h"
static void test_flatten(skiatest::Reporter* reporter, const SkImageInfo& info) {
// Need a safe amount of 4-byte aligned storage. Note that one of the test ICC profiles
// is ~7500 bytes.
const size_t storageBytes = 8000;
SkAutoTMalloc<uint32_t> storage(storageBytes / sizeof(uint32_t));
SkBinaryWriteBuffer wb(storage.get(), storageBytes);
info.flatten(wb);
SkASSERT(wb.bytesWritten() < storageBytes);
SkReadBuffer rb(storage.get(), wb.bytesWritten());
// pick a noisy byte pattern, so we ensure that unflatten sets all of our fields
SkImageInfo info2 = SkImageInfo::Make(0xB8, 0xB8, (SkColorType) 0xB8, (SkAlphaType) 0xB8);
info2.unflatten(rb);
REPORTER_ASSERT(reporter, rb.offset() == wb.bytesWritten());
REPORTER_ASSERT(reporter, info == info2);
}
DEF_TEST(ImageInfo_flattening, reporter) {
sk_sp<SkData> data =
SkData::MakeFromFileName(GetResourcePath("icc_profiles/HP_ZR30w.icc").c_str());
sk_sp<SkColorSpace> space0 = SkColorSpace::MakeICC(data->data(), data->size());
data = SkData::MakeFromFileName( GetResourcePath("icc_profiles/HP_Z32x.icc").c_str());
sk_sp<SkColorSpace> space1 = SkColorSpace::MakeICC(data->data(), data->size());
data = SkData::MakeFromFileName(GetResourcePath("icc_profiles/upperLeft.icc").c_str());
sk_sp<SkColorSpace> space2 = SkColorSpace::MakeICC(data->data(), data->size());
data = SkData::MakeFromFileName(GetResourcePath("icc_profiles/upperRight.icc").c_str());
sk_sp<SkColorSpace> space3 = SkColorSpace::MakeICC(data->data(), data->size());
sk_sp<SkColorSpace> spaces[] = {
nullptr,
SkColorSpace::MakeSRGB(),
SkColorSpace_Base::MakeNamed(SkColorSpace_Base::kAdobeRGB_Named),
space0,
space1,
space2,
space3,
};
for (int ct = 0; ct <= kLastEnum_SkColorType; ++ct) {
for (int at = 0; at <= kLastEnum_SkAlphaType; ++at) {
for (auto& cs : spaces) {
SkImageInfo info = SkImageInfo::Make(100, 200,
static_cast<SkColorType>(ct),
static_cast<SkAlphaType>(at),
cs);
test_flatten(reporter, info);
}
}
}
}
static void check_isopaque(skiatest::Reporter* reporter, const sk_sp<SkSurface>& surface,
bool expectedOpaque) {
sk_sp<SkImage> image(surface->makeImageSnapshot());
REPORTER_ASSERT(reporter, image->isOpaque() == expectedOpaque);
}
DEF_TEST(ImageIsOpaqueTest, reporter) {
SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5);
auto surfaceTransparent(SkSurface::MakeRaster(infoTransparent));
check_isopaque(reporter, surfaceTransparent, false);
SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
auto surfaceOpaque(SkSurface::MakeRaster(infoOpaque));
check_isopaque(reporter, surfaceOpaque, true);
}
#if SK_SUPPORT_GPU
DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageIsOpaqueTest_Gpu, reporter, ctxInfo) {
GrContext* context = ctxInfo.grContext();
SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5);
auto surfaceTransparent(SkSurface::MakeRenderTarget(context, SkBudgeted::kNo, infoTransparent));
check_isopaque(reporter, surfaceTransparent, false);
SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
auto surfaceOpaque(SkSurface::MakeRenderTarget(context,SkBudgeted::kNo, infoOpaque));
check_isopaque(reporter, surfaceOpaque, true);
}
#endif
///////////////////////////////////////////////////////////////////////////////////////////////////
#include "SkPictureRecorder.h"
static sk_sp<SkPicture> make_picture() {
SkPictureRecorder recorder;
SkCanvas* canvas = recorder.beginRecording({ 0, 0, 10, 10 });
canvas->drawColor(SK_ColorRED);
return recorder.finishRecordingAsPicture();
}
DEF_TEST(Image_isAlphaOnly, reporter) {
SkPMColor pmColors = 0;
SkPixmap pmap = {
SkImageInfo::MakeN32Premul(1, 1),
&pmColors,
sizeof(pmColors)
};
for (auto& image : {
SkImage::MakeRasterCopy(pmap),
GetResourceAsImage("mandrill_128.png"),
GetResourceAsImage("color_wheel.jpg"),
SkImage::MakeFromPicture(make_picture(), { 10, 10 }, nullptr, nullptr,
SkImage::BitDepth::kU8,
SkColorSpace::MakeSRGB()),
})
{
REPORTER_ASSERT(reporter, image->isAlphaOnly() == false);
}
REPORTER_ASSERT(reporter, SkImage::MakeRasterCopy({
SkImageInfo::MakeA8(1, 1), (uint8_t*)&pmColors, 1})->isAlphaOnly() == true);
}
|
