use of com.facebook.imagepipeline.decoder.SimpleProgressiveJpegConfig in project DevRing by LJYcoder.
the class FrescoManager method init.
@Override
public void init(Context context, final ImageConfig imageConfig) {
mContext = context;
mImageConfig = imageConfig;
// 配置管理者
ImagePipelineConfig.Builder imagePipelineConfigBuilder = ImagePipelineConfig.newBuilder(context);
// 配置内存缓存(已解码部分的缓存)
if (imageConfig.getMemoryCacheSize() > 0) {
imagePipelineConfigBuilder.setBitmapMemoryCacheParamsSupplier(new Supplier<MemoryCacheParams>() {
public MemoryCacheParams get() {
MemoryCacheParams bitmapCacheParams = new //
MemoryCacheParams(// 可用最大内存数,以字节为单位
imageConfig.getMemoryCacheSize(), // 内存中允许的最多图片数量
Integer.MAX_VALUE, // 内存中准备清理但是尚未删除的总图片所可用的最大内存数,以字节为单位
imageConfig.getMemoryCacheSize(), // 内存中准备清除的图片最大数量
Integer.MAX_VALUE, // 内存中单图片的最大大小
Integer.MAX_VALUE);
return bitmapCacheParams;
}
});
}
// 配置磁盘缓存
if (imageConfig.getDiskCacheFile() != null) {
DiskCacheConfig.Builder diakBuilder = DiskCacheConfig.newBuilder(context);
// 磁盘缓存目录路径
diakBuilder.setBaseDirectoryPath(imageConfig.getDiskCacheFile().getParentFile());
// 磁盘缓存目录名
diakBuilder.setBaseDirectoryName(imageConfig.getDiskCacheFile().getName());
// 磁盘缓存大小
if (imageConfig.getDiskCacheSize() > 0)
diakBuilder.setMaxCacheSize(imageConfig.getDiskCacheSize());
imagePipelineConfigBuilder.setMainDiskCacheConfig(diakBuilder.build());
} else if (imageConfig.isDiskCacheExternal()) {
DiskCacheConfig.Builder diakBuilder = DiskCacheConfig.newBuilder(context);
// 磁盘缓存目录路径
diakBuilder.setBaseDirectoryPath(context.getExternalCacheDir());
// 磁盘缓存目录名
diakBuilder.setBaseDirectoryName("fresco_image_cache");
// 磁盘缓存大小
if (imageConfig.getDiskCacheSize() > 0)
diakBuilder.setMaxCacheSize(imageConfig.getDiskCacheSize());
imagePipelineConfigBuilder.setMainDiskCacheConfig(diakBuilder.build());
}
if (imageConfig.isUseOkhttp())
imagePipelineConfigBuilder.setNetworkFetcher(new OkHttpNetworkFetcher(DevRing.ringComponent().okHttpClient()));
// 当内存紧张时采取的措施
MemoryTrimmableRegistry memoryTrimmableRegistry = NoOpMemoryTrimmableRegistry.getInstance();
memoryTrimmableRegistry.registerMemoryTrimmable(new MemoryTrimmable() {
@Override
public void trim(MemoryTrimType trimType) {
final double suggestedTrimRatio = trimType.getSuggestedTrimRatio();
RingLog.e(String.format("onCreate suggestedTrimRatio : %f", suggestedTrimRatio));
if (MemoryTrimType.OnCloseToDalvikHeapLimit.getSuggestedTrimRatio() == suggestedTrimRatio || MemoryTrimType.OnSystemLowMemoryWhileAppInBackground.getSuggestedTrimRatio() == suggestedTrimRatio || MemoryTrimType.OnSystemLowMemoryWhileAppInForeground.getSuggestedTrimRatio() == suggestedTrimRatio) {
ImagePipelineFactory.getInstance().getImagePipeline().clearMemoryCaches();
}
}
});
imagePipelineConfigBuilder.setMemoryTrimmableRegistry(memoryTrimmableRegistry);
/**
* 在图片解码时根据ResizeOptions所设的宽高的像素进行解码,这样解码出来可以得到一个更小的Bitmap。
* 必须和ImageRequest的ResizeOptions一起使用,ResizeOptions和DownsampleEnabled参数都不影响原图片的大小,影响的是EncodeImage的大小,
* 进而影响Decode出来的Bitmap的大小,ResizeOptions须和此参数结合使用,
* 是因为单独使用ResizeOptions的话只支持JPEG图,所以需支持png、jpg、webp需要先设置此参数。
*/
imagePipelineConfigBuilder.setDownsampleEnabled(true);
// 配置渐进式显示(使用默认效果),仅支持文件类型为JPEG的网络图片
imagePipelineConfigBuilder.setProgressiveJpegConfig(new SimpleProgressiveJpegConfig());
// 设置调试时,显示图片加载的Log
FLog.setMinimumLoggingLevel(FLog.VERBOSE);
Set<RequestListener> requestListeners = new HashSet<>();
requestListeners.add(new RequestLoggingListener());
imagePipelineConfigBuilder.setRequestListeners(requestListeners);
// 进行初始化
Fresco.initialize(context, imagePipelineConfigBuilder.build());
}
use of com.facebook.imagepipeline.decoder.SimpleProgressiveJpegConfig in project fresco by facebook.
the class DecodeProducerTest method setUp.
@Before
public void setUp() throws Exception {
MockitoAnnotations.initMocks(this);
mProgressiveJpegConfig = new SimpleProgressiveJpegConfig(new SimpleProgressiveJpegConfig.DynamicValueConfig() {
public List<Integer> getScansToDecode() {
return Arrays.asList(PREVIEW_SCAN, GOOD_ENOUGH_SCAN);
}
public int getGoodEnoughScanNumber() {
return GOOD_ENOUGH_SCAN;
}
});
PowerMockito.mockStatic(ProgressiveJpegParser.class);
PowerMockito.whenNew(ProgressiveJpegParser.class).withAnyArguments().thenReturn(mProgressiveJpegParser);
PowerMockito.mockStatic(JobScheduler.class);
PowerMockito.whenNew(JobScheduler.class).withAnyArguments().thenReturn(mJobScheduler);
when(mConfig.getExperiments()).thenReturn(mPipelineExperiments);
mDecodeProducer = new DecodeProducer(mByteArrayPool, mExecutor, mImageDecoder, mProgressiveJpegConfig, false, /* Set downsampleEnabled to false */
false, /* Set resizeAndRotateForNetwork to false */
false, /* We don't cancel when the request is cancelled */
mInputProducer, MAX_BITMAP_SIZE, new CloseableReferenceFactory(new NoOpCloseableReferenceLeakTracker()), null, Suppliers.BOOLEAN_FALSE);
PooledByteBuffer pooledByteBuffer = mockPooledByteBuffer(IMAGE_SIZE);
mByteBufferRef = CloseableReference.of(pooledByteBuffer);
mEncodedImage = new EncodedImage(mByteBufferRef);
mEncodedImage.setImageFormat(DefaultImageFormats.JPEG);
mEncodedImage.setWidth(IMAGE_WIDTH);
mEncodedImage.setHeight(IMAGE_HEIGHT);
mEncodedImage.setRotationAngle(IMAGE_ROTATION_ANGLE);
mEncodedImage.setExifOrientation(IMAGE_EXIF_ORIENTATION);
}
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