d6bab02386
git-svn-id: http://skia.googlecode.com/svn/trunk@12428 2bbb7eff-a529-9590-31e7-b0007b416f81
85 lines
2.5 KiB
C++
85 lines
2.5 KiB
C++
/*
|
|
* Copyright 2013 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "Test.h"
|
|
#include "SkScaledImageCache.h"
|
|
|
|
static void make_bm(SkBitmap* bm, int w, int h) {
|
|
bm->setConfig(SkBitmap::kARGB_8888_Config, w, h);
|
|
bm->allocPixels();
|
|
}
|
|
|
|
static void TestImageCache(skiatest::Reporter* reporter) {
|
|
static const int COUNT = 10;
|
|
static const int DIM = 256;
|
|
static const size_t defLimit = DIM * DIM * 4 * COUNT + 1024; // 1K slop
|
|
SkScaledImageCache cache(defLimit);
|
|
SkScaledImageCache::ID* id;
|
|
|
|
SkBitmap bm[COUNT];
|
|
|
|
SkScalar scale = 2;
|
|
for (int i = 0; i < COUNT; ++i) {
|
|
SkBitmap tmp;
|
|
|
|
make_bm(&bm[i], DIM, DIM);
|
|
id = cache.findAndLock(bm[i], scale, scale, &tmp);
|
|
REPORTER_ASSERT(reporter, NULL == id);
|
|
|
|
make_bm(&tmp, DIM, DIM);
|
|
id = cache.addAndLock(bm[i], scale, scale, tmp);
|
|
REPORTER_ASSERT(reporter, NULL != id);
|
|
|
|
SkBitmap tmp2;
|
|
SkScaledImageCache::ID* id2 = cache.findAndLock(bm[i], scale, scale,
|
|
&tmp2);
|
|
REPORTER_ASSERT(reporter, id == id2);
|
|
REPORTER_ASSERT(reporter, tmp.pixelRef() == tmp2.pixelRef());
|
|
REPORTER_ASSERT(reporter, tmp.width() == tmp2.width());
|
|
REPORTER_ASSERT(reporter, tmp.height() == tmp2.height());
|
|
cache.unlock(id2);
|
|
|
|
cache.unlock(id);
|
|
}
|
|
|
|
// stress test, should trigger purges
|
|
for (size_t i = 0; i < COUNT * 100; ++i) {
|
|
scale += 1;
|
|
|
|
SkBitmap tmp;
|
|
|
|
make_bm(&tmp, DIM, DIM);
|
|
id = cache.addAndLock(bm[0], scale, scale, tmp);
|
|
REPORTER_ASSERT(reporter, NULL != id);
|
|
cache.unlock(id);
|
|
}
|
|
|
|
cache.setByteLimit(0);
|
|
}
|
|
|
|
#include "TestClassDef.h"
|
|
DEFINE_TESTCLASS("ImageCache", TestImageCacheClass, TestImageCache)
|
|
|
|
DEF_TEST(ImageCache_doubleAdd, r) {
|
|
// Adding the same key twice should be safe.
|
|
SkScaledImageCache cache(1024);
|
|
|
|
SkBitmap original;
|
|
original.setConfig(SkBitmap::kARGB_8888_Config, 40, 40);
|
|
original.allocPixels();
|
|
|
|
SkBitmap scaled;
|
|
scaled.setConfig(SkBitmap::kARGB_8888_Config, 20, 20);
|
|
scaled.allocPixels();
|
|
|
|
SkScaledImageCache::ID* id1 = cache.addAndLock(original, 0.5f, 0.5f, scaled);
|
|
SkScaledImageCache::ID* id2 = cache.addAndLock(original, 0.5f, 0.5f, scaled);
|
|
// We don't really care if id1 == id2 as long as unlocking both works.
|
|
cache.unlock(id1);
|
|
cache.unlock(id2);
|
|
}
|