Java 类com.facebook.imagepipeline.common.ResizeOptions 实例源码

项目：GitHub 文件：BitmapMemoryCacheKey.java

public BitmapMemoryCacheKey(
    String sourceString,
    @Nullable ResizeOptions resizeOptions,
    RotationOptions rotationOptions,
    ImageDecodeOptions imageDecodeOptions,
    @Nullable CacheKey postprocessorCacheKey,
    @Nullable String postprocessorName,
    Object callerContext) {
  mSourceString = Preconditions.checkNotNull(sourceString);
  mResizeOptions = resizeOptions;
  mRotationOptions = rotationOptions;
  mImageDecodeOptions = imageDecodeOptions;
  mPostprocessorCacheKey = postprocessorCacheKey;
  mPostprocessorName = postprocessorName;
  mHash = HashCodeUtil.hashCode(
      sourceString.hashCode(),
      (resizeOptions != null) ? resizeOptions.hashCode() : 0,
      rotationOptions.hashCode(),
      mImageDecodeOptions,
      mPostprocessorCacheKey,
      postprocessorName);
  mCallerContext = callerContext;
  mCacheTime = RealtimeSinceBootClock.get().now();
}

项目：GitHub 文件：ResizeAndRotateProducer.java

@VisibleForTesting static float determineResizeRatio(
    ResizeOptions resizeOptions,
    int width,
    int height) {

  if (resizeOptions == null) {
    return 1.0f;
  }

  final float widthRatio = ((float) resizeOptions.width) / width;
  final float heightRatio = ((float) resizeOptions.height) / height;
  float ratio = Math.max(widthRatio, heightRatio);

  if (width * ratio > resizeOptions.maxBitmapSize) {
    ratio = resizeOptions.maxBitmapSize / width;
  }
  if (height * ratio > resizeOptions.maxBitmapSize) {
    ratio = resizeOptions.maxBitmapSize / height;
  }
  return ratio;
}

项目：GitHub 文件：ImageRequestTest.java

@Test
public void testCreatingRequestFromExistingRequest() {
  ImageRequest original = ImageRequestBuilder
      .newBuilderWithSource(Uri.parse("http://frescolib.org/image.jpg"))
          .setCacheChoice(ImageRequest.CacheChoice.SMALL)
      .setImageDecodeOptions(new ImageDecodeOptionsBuilder().build())
      .setLocalThumbnailPreviewsEnabled(true)
      .setLowestPermittedRequestLevel(ImageRequest.RequestLevel.DISK_CACHE)
      .setMediaVariations(MediaVariations.forMediaId("A113"))
      .setPostprocessor(new BasePostprocessor() {
        @Override
        public String getName() {
          return super.getName();
        }
      })
      .setProgressiveRenderingEnabled(true)
      .setRequestListener(new RequestLoggingListener())
      .setResizeOptions(new ResizeOptions(20, 20))
      .setRotationOptions(RotationOptions.forceRotation(RotationOptions.ROTATE_90))
      .setRequestPriority(Priority.HIGH)
      .build();

  ImageRequest copy = ImageRequestBuilder.fromRequest(original).build();

  assertThat(copy).isEqualTo(original);
}

项目：GitHub 文件：ThumbnailSizeCheckerTest.java

private static void testWithImageNotBigEnoughForResizeOptions(
    int[] imageWidths,
    int[] imageHeights,
    int startRotation,
    int additionalRequestWidth,
    int additionalRequestHeight) {
  for (int rotation = startRotation; rotation < 360; rotation += 180) {
    for (int i = 0; i < TEST_COUNT; i++) {
      ResizeOptions resizeOptions = new ResizeOptions(
          REQUEST_WIDTHS[i] + additionalRequestWidth,
          REQUEST_HEIGHTS[i] + additionalRequestHeight);
      EncodedImage encodedImage = mockImage(imageWidths[i], imageHeights[i], rotation);
      assertFalse(ThumbnailSizeChecker.isImageBigEnough(encodedImage, resizeOptions));
    }
  }
}

项目：GitHub 文件：DecodeProducerTest.java

@Test
public void testDecode_WhenSmartResizingEnabledAndLocalUri_ThenPerformDownsampling()
    throws Exception {
  int resizedWidth = 10;
  int resizedHeight = 10;
  when(mExperimentalResizingEnabledSupplier.get()).thenReturn(true);
  setupLocalUri(ResizeOptions.forDimensions(resizedWidth, resizedHeight));

  produceResults();
  JobScheduler.JobRunnable jobRunnable = getJobRunnable();

  jobRunnable.run(mEncodedImage, Consumer.IS_LAST);

  // The sample size was modified, which means Downsampling has been performed
  assertNotEquals(mEncodedImage.getSampleSize(), EncodedImage.DEFAULT_SAMPLE_SIZE);
}

项目：GitHub 文件：DecodeProducerTest.java

@Test
public void testDecode_WhenSmartResizingEnabledAndNetworkUri_ThenPerformNoDownsampling()
    throws Exception {
  int resizedWidth = 10;
  int resizedHeight = 10;
  when(mExperimentalResizingEnabledSupplier.get()).thenReturn(true);
  setupNetworkUri(ResizeOptions.forDimensions(resizedWidth, resizedHeight));

  produceResults();
  JobScheduler.JobRunnable jobRunnable = getJobRunnable();

  jobRunnable.run(mEncodedImage, Consumer.IS_LAST);

  // The sample size was not modified, which means Downsampling has not been performed
  assertEquals(mEncodedImage.getSampleSize(), EncodedImage.DEFAULT_SAMPLE_SIZE);
}