private ImageRequest getImageRequest(LDraweeView view, Uri uri) {
switch (mImageFormat) {
case JPEG:
case PNG:
return ImageRequestBuilder.newBuilderWithSource(uri)
.setImageType(view.getImageType())
.setLowestPermittedRequestLevel(view.getLowestPermittedRequestLevel())
.setPostprocessor(view.getPostProcessor()) // 修改图片
.setResizeOptions(view.getResizeOptions())
.setAutoRotateEnabled(true)
.setLocalThumbnailPreviewsEnabled(true)
.setProgressiveRenderingEnabled(false)
.build();
case GIF:
if (uri.getScheme().toLowerCase().contains("file") && isCutGif()) {
// 针对本地Gif预览时做特殊处理，裁剪出第一帧并显示
File file = new File(uri.getPath());
// File cutFile = Utils.getCopyFile(file);
Uri newUri = new Uri.Builder().scheme("file").path(file.getAbsolutePath()).build();
return ImageRequestBuilder.newBuilderWithSource(newUri)
.setLowestPermittedRequestLevel(view.getLowestPermittedRequestLevel())
.setPostprocessor(view.getPostProcessor())
.setResizeOptions(view.getResizeOptions())
.setAutoRotateEnabled(true)
.build();
} else {
return ImageRequestBuilder.newBuilderWithSource(uri)
.setLowestPermittedRequestLevel(view.getLowestPermittedRequestLevel())
.setAutoRotateEnabled(true)
.build();
}
}
throw new RuntimeException("must have a ImageRequest");
}
public void maybeUpdateView() {
if (!mIsDirty) {
return;
}
boolean doResize = shouldResize(mUri);
if (doResize && (getWidth() <= 0 || getHeight() <= 0)) {
// If need a resize and the size is not yet set, wait until the layout pass provides one
return;
}
GenericDraweeHierarchy hierarchy = getHierarchy();
hierarchy.setActualImageScaleType(mScaleType);
boolean usePostprocessorScaling =
mScaleType != ScalingUtils.ScaleType.CENTER_CROP
&& mScaleType != ScalingUtils.ScaleType.FOCUS_CROP;
float hierarchyRadius = usePostprocessorScaling ? 0 : mBorderRadius;
RoundingParams roundingParams = hierarchy.getRoundingParams();
roundingParams.setCornersRadius(hierarchyRadius);
roundingParams.setBorder(mBorderColor, mBorderWidth);
hierarchy.setRoundingParams(roundingParams);
hierarchy.setFadeDuration(
mFadeDurationMs >= 0 ? mFadeDurationMs : mIsLocalImage ? 0 : REMOTE_IMAGE_FADE_DURATION_MS);
Postprocessor postprocessor = usePostprocessorScaling ? mRoundedCornerPostprocessor : null;
ResizeOptions resizeOptions = doResize ? new ResizeOptions(getWidth(), getHeight()) : null;
ImageRequest imageRequest =
ImageRequestBuilder.newBuilderWithSource(mUri)
.setPostprocessor(postprocessor)
.setResizeOptions(resizeOptions)
.setProgressiveRenderingEnabled(mProgressiveRenderingEnabled)
.build();
// This builder is reused
mDraweeControllerBuilder.reset();
mDraweeControllerBuilder
.setAutoPlayAnimations(true)
.setCallerContext(mCallerContext)
.setOldController(getController())
.setImageRequest(imageRequest);
if (mControllerListener != null && mControllerForTesting != null) {
ForwardingControllerListener combinedListener = new ForwardingControllerListener();
combinedListener.addListener(mControllerListener);
combinedListener.addListener(mControllerForTesting);
mDraweeControllerBuilder.setControllerListener(combinedListener);
} else if (mControllerForTesting != null) {
mDraweeControllerBuilder.setControllerListener(mControllerForTesting);
} else if (mControllerListener != null) {
mDraweeControllerBuilder.setControllerListener(mControllerListener);
}
setController(mDraweeControllerBuilder.build());
mIsDirty = false;
}
public static void getBitmapFromUri(
Context context, Uri imageUri, final ImageUtilCallback callback) {
ImagePipeline imagePipeline = Fresco.getImagePipeline();
ImageRequest imageRequest =
ImageRequestBuilder.newBuilderWithSource(imageUri)
.setRequestPriority(Priority.HIGH)
.setLowestPermittedRequestLevel(ImageRequest.RequestLevel.FULL_FETCH)
.build();
DataSource<CloseableReference<CloseableImage>> dataSource =
imagePipeline.fetchDecodedImage(imageRequest, context);
try {
dataSource.subscribe(
new BaseBitmapDataSubscriber() {
@Override
public void onNewResultImpl(@Nullable Bitmap bitmap) {
if (bitmap == null) {
// Log.d(TAG, "Bitmap data source returned success, but bitmap null.");
return;
}
// The bitmap provided to this method is only guaranteed to be around
// for the lifespan of this method. The image pipeline frees the
// bitmap's memory after this method has completed.
//
// This is fine when passing the bitmap to a system process as
// Android automatically creates a copy.
//
// If you need to keep the bitmap around, look into using a
// BaseDataSubscriber instead of a BaseBitmapDataSubscriber.
callback.onBitmapLoaded(bitmap);
}
@Override
public void onFailureImpl(DataSource dataSource) {
// No cleanup required here
}
},
CallerThreadExecutor.getInstance());
} finally {
if (dataSource != null) {
dataSource.close();
}
}
}
public void bindRaw(String fileName) {
if (bindedFile != null) {
bindedFile.detach();
bindedFile = null;
}
currentId = 0;
ImageRequest request =
ImageRequestBuilder.newBuilderWithSource(Uri.fromFile(new File(fileName)))
.setResizeOptions(new ResizeOptions(size, size))
.setAutoRotateEnabled(true)
.build();
PipelineDraweeController controller =
(PipelineDraweeController)
Fresco.newDraweeControllerBuilder()
.setOldController(getController())
.setImageRequest(request)
.build();
setController(controller);
}
/**
* Submits a request for execution and returns a DataSource representing the pending encoded
* image(s).
*
* <p>The ResizeOptions in the imageRequest will be ignored for this fetch
*
* <p>The returned DataSource must be closed once the client has finished with it.
*
* @param imageRequest the request to submit
* @return a DataSource representing the pending encoded image(s)
*/
public DataSource<CloseableReference<PooledByteBuffer>> fetchEncodedImage(
ImageRequest imageRequest, Object callerContext) {
Preconditions.checkNotNull(imageRequest.getSourceUri());
try {
Producer<CloseableReference<PooledByteBuffer>> producerSequence =
mProducerSequenceFactory.getEncodedImageProducerSequence(imageRequest);
// The resize options are used to determine whether images are going to be downsampled during
// decode or not. For the case where the image has to be downsampled and it's a local image it
// will be kept as a FileInputStream until decoding instead of reading it in memory. Since
// this method returns an encoded image, it should always be read into memory. Therefore, the
// resize options are ignored to avoid treating the image as if it was to be downsampled
// during decode.
if (imageRequest.getResizeOptions() != null) {
imageRequest = ImageRequestBuilder.fromRequest(imageRequest).setResizeOptions(null).build();
}
return submitFetchRequest(
producerSequence, imageRequest, ImageRequest.RequestLevel.FULL_FETCH, callerContext);
} catch (Exception exception) {
return DataSources.immediateFailedDataSource(exception);
}
}
@Override
public View onCreateView(
LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
mContext = getActivity();
final View view = inflater.inflate(R.layout.fragment_detail_info, container, false);
Intent intent = getActivity().getIntent();
int hero_id = -2;
if (intent != null) {
hero_id = intent.getIntExtra(MainActivityFragment.TAG_HERO_ID, -1);
}
HeroesDBAdapter adapter = new HeroesDBAdapter(getActivity());
adapter.open();
try {
mCharacter = adapter.getItem(hero_id);
} catch (EmptyCursorException e) {
Log.e(LOG_TAG, " EmptyCursorException");
Crashlytics.log(Log.ERROR, LOG_TAG, " EmptyCursorException");
e.printStackTrace();
}
ImagePipeline imagePipeline = Fresco.getImagePipeline();
final ImageItem imageItem = mCharacter.getThumbnail();
Uri uri = Uri.parse(imageItem.toString());
ImageRequest imageRequest =
ImageRequestBuilder.newBuilderWithSource(uri)
.setRequestPriority(Priority.HIGH)
.setLowestPermittedRequestLevel(ImageRequest.RequestLevel.FULL_FETCH)
.build();
DataSource<CloseableReference<CloseableImage>> dataSource =
imagePipeline.fetchDecodedImage(imageRequest, getActivity());
try {
dataSource.subscribe(
new BaseBitmapDataSubscriber() {
@Override
public void onNewResultImpl(@Nullable Bitmap bitmap) {
if (bitmap == null) {
Crashlytics.log(
Log.ERROR, LOG_TAG, "Bitmap data source returned success, but bitmap null.");
return;
} else {
mBitmap = bitmap;
ImageView imageView = (ImageView) view.findViewById(R.id.imageView_detail);
imageView.setImageBitmap(mBitmap);
}
}
@Override
public void onFailureImpl(DataSource dataSource) {
Crashlytics.log(Log.ERROR, LOG_TAG, "Bitmap data source returned error");
}
},
CallerThreadExecutor.getInstance());
} finally {
if (dataSource != null) {
dataSource.close();
}
}
TextView textView = (TextView) view.findViewById(R.id.heroe_name);
textView.setText(mCharacter.getName());
textView = (TextView) view.findViewById(R.id.heroe_description);
textView.setText(mCharacter.getDescription());
adapter.close();
return view;
}