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
|
/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifdef SK_DEBUG
#include "SkBitmap.h"
#include "SkBitmapFactory.h"
#include "SkCanvas.h"
#include "SkColor.h"
#include "SkData.h"
#include "SkImageDecoder.h"
#include "SkImageEncoder.h"
#include "SkLazyPixelRef.h"
#include "SkLruImageCache.h"
#include "SkPaint.h"
#include "SkStream.h"
#include "SkTemplates.h"
#include "Test.h"
#ifdef SK_BUILD_FOR_ANDROID
#include "SkAshmemImageCache.h"
#endif
static SkBitmap* create_bitmap() {
SkBitmap* bm = SkNEW(SkBitmap);
const int W = 100, H = 100;
bm->setConfig(SkBitmap::kARGB_8888_Config, W, H);
bm->allocPixels();
bm->eraseColor(SK_ColorBLACK);
SkCanvas canvas(*bm);
SkPaint paint;
paint.setColor(SK_ColorBLUE);
canvas.drawRectCoords(0, 0, SkIntToScalar(W/2), SkIntToScalar(H/2), paint);
return bm;
}
static SkData* create_data_from_bitmap(const SkBitmap& bm) {
SkDynamicMemoryWStream stream;
if (SkImageEncoder::EncodeStream(&stream, bm, SkImageEncoder::kPNG_Type, 100)) {
return stream.copyToData();
}
return NULL;
}
static void assert_bounds_equal(skiatest::Reporter* reporter, const SkBitmap& bm1,
const SkBitmap& bm2) {
REPORTER_ASSERT(reporter, bm1.width() == bm2.width());
REPORTER_ASSERT(reporter, bm1.height() == bm2.height());
}
static void test_cache(skiatest::Reporter* reporter, SkImageCache* cache, SkData* encodedData,
const SkBitmap& origBitmap) {
SkBitmapFactory factory(&SkImageDecoder::DecodeMemoryToTarget);
factory.setImageCache(cache);
SkAutoTDelete<SkBitmap> bitmapFromFactory(SkNEW(SkBitmap));
bool success = factory.installPixelRef(encodedData, bitmapFromFactory.get());
// This assumes that if the encoder worked, the decoder should also work, so the above call
// should not fail.
REPORTER_ASSERT(reporter, success);
assert_bounds_equal(reporter, origBitmap, *bitmapFromFactory.get());
SkPixelRef* pixelRef = bitmapFromFactory->pixelRef();
REPORTER_ASSERT(reporter, pixelRef != NULL);
if (NULL == cache) {
// This assumes that installPixelRef called lockPixels.
REPORTER_ASSERT(reporter, bitmapFromFactory->readyToDraw());
} else {
// Lazy decoding
REPORTER_ASSERT(reporter, !bitmapFromFactory->readyToDraw());
SkLazyPixelRef* lazyRef = static_cast<SkLazyPixelRef*>(pixelRef);
int32_t cacheID = lazyRef->getCacheId();
REPORTER_ASSERT(reporter, cache->getCacheStatus(cacheID)
!= SkImageCache::kPinned_CacheStatus);
{
SkAutoLockPixels alp(*bitmapFromFactory.get());
REPORTER_ASSERT(reporter, bitmapFromFactory->readyToDraw());
cacheID = lazyRef->getCacheId();
REPORTER_ASSERT(reporter, cache->getCacheStatus(cacheID)
== SkImageCache::kPinned_CacheStatus);
}
REPORTER_ASSERT(reporter, !bitmapFromFactory->readyToDraw());
REPORTER_ASSERT(reporter, cache->getCacheStatus(cacheID)
!= SkImageCache::kPinned_CacheStatus);
bitmapFromFactory.free();
REPORTER_ASSERT(reporter, cache->getCacheStatus(cacheID)
== SkImageCache::kThrownAway_CacheStatus);
}
}
static void TestBitmapFactory(skiatest::Reporter* reporter) {
SkAutoTDelete<SkBitmap> bitmap(create_bitmap());
SkASSERT(bitmap.get() != NULL);
SkAutoDataUnref encodedBitmap(create_data_from_bitmap(*bitmap.get()));
if (encodedBitmap.get() == NULL) {
// Encoding failed.
return;
}
SkAutoTUnref<SkLruImageCache> lruCache(SkNEW_ARGS(SkLruImageCache, (1024 * 1024)));
test_cache(reporter, lruCache, encodedBitmap, *bitmap.get());
test_cache(reporter, NULL, encodedBitmap, *bitmap.get());
#ifdef SK_BUILD_FOR_ANDROID
test_cache(reporter, SkAshmemImageCache::GetAshmemImageCache(), encodedBitmap, *bitmap.get());
#endif
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("BitmapFactory", TestBitmapFactoryClass, TestBitmapFactory)
#endif // SK_DEBUG
|
