void testWeakCache() {
WeakCache<std::string, CacheTestRef> cache;
debugAssert(CacheTest::count == 0);
CacheTestRef x = new CacheTest();
debugAssert(CacheTest::count == 1);
cache.set("x", x);
debugAssert(CacheTest::count == 1);
CacheTestRef y = new CacheTest();
CacheTestRef z = new CacheTest();
debugAssert(CacheTest::count == 3);
cache.set("y", y);
debugAssert(cache["x"] == x);
debugAssert(cache["y"] == y);
debugAssert(cache["q"].isNull());
x = NULL;
debugAssert(CacheTest::count == 2);
debugAssert(cache["x"].isNull());
cache.set("y", z);
y = NULL;
debugAssert(cache["y"] == z);
cache.remove("y");
}
shared_ptr<IconSet> IconSet::fromFile(const std::string& filename) {
shared_ptr<IconSet> set = cache[filename];
if (notNull(set)) {
return set;
}
BinaryInput b(filename, G3D_LITTLE_ENDIAN);
const std::string& header = b.readString();
alwaysAssertM(header == "ICON", "Corrupt icon file");
const float version = b.readFloat32();
alwaysAssertM(version == 1.0f, "Unsupported icon file version");
shared_ptr<IconSet> s(new IconSet());
s->m_icon.resize(b.readInt32());
for (int i = 0; i < s->m_icon.size(); ++i) {
Entry& e = s->m_icon[i];
e.filename = b.readString32();
float x, y, w, h;
x = b.readFloat32();
y = b.readFloat32();
w = b.readFloat32();
h = b.readFloat32();
e.rect = Rect2D::xywh(x, y, w, h);
s->m_index.set(e.filename, i);
}
shared_ptr<Image> image = Image::fromBinaryInput(b);
Texture::Settings settings;
settings.wrapMode = WrapMode::CLAMP;
settings.interpolateMode = Texture::BILINEAR_NO_MIPMAP;
s->m_texture = Texture::fromPixelTransferBuffer(filename, image->toPixelTransferBuffer(), ImageFormat::AUTO(), Texture::DIM_2D_NPOT, settings);
cache.set(filename, s);
return s;
}
