Convert imagepipeline-base/src/main/java/com/facebook/imageutils

Reviewed By: oprisnik

Differential Revision: D59222625

fbshipit-source-id: 025e0c4e5a6d0a63864ed8431096e22ed81aa6d4

imagepipeline-base/src/main/java/com/facebook/imagepipeline/transcoder/ImageTranscoderFactory.kt

@@ -0,0 +1,27 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.imagepipeline.transcoder
+
+import com.facebook.imageformat.ImageFormat
+
+interface ImageTranscoderFactory {
+
+  /**
+   * Creates an [ImageTranscoder] that enables or disables resizing depending on
+   * `isResizingEnabled`. It can return null if the [ImageFormat] is not supported by this
+   * [ImageTranscoder].
+   *
+   * Note that if JPEG images are not supported, we will fallback to our native [ImageTranscoder]
+   * implementation.
+   *
+   * @param imageFormat the [ImageFormat] of the input images.
+   * @param isResizingEnabled true if resizing is allowed.
+   * @return The [ImageTranscoder] or null if the image format is not supported.
+   */
+  fun createImageTranscoder(imageFormat: ImageFormat, isResizingEnabled: Boolean): ImageTranscoder?
+}

imagepipeline-base/src/main/java/com/facebook/imagepipeline/transcoder/TranscodeStatus.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+package com.facebook.imagepipeline.transcoder
+
+import androidx.annotation.IntDef
+
+/** Status used by [ImageTranscodeResult] to supply additional information. */
+@Retention(AnnotationRetention.SOURCE)
+@IntDef(
+    TranscodeStatus.TRANSCODING_SUCCESS,
+    TranscodeStatus.TRANSCODING_NO_RESIZING,
+    TranscodeStatus.TRANSCODING_ERROR,
+)
+annotation class TranscodeStatus {
+  companion object {
+    /** Status flag to show that the image was transcoded successfully. */
+    /** Status flag to show that the image was transcoded successfully. */
+    const val TRANSCODING_SUCCESS: Int = 0
+
+    /** Status flag to show that the input image transcoded successfully without resizing. */
+    /** Status flag to show that the input image transcoded successfully without resizing. */
+    const val TRANSCODING_NO_RESIZING: Int = 1
+
+    /** Status flag to show that an error occurred while transcoding the image. */
+    /** Status flag to show that an error occurred while transcoding the image. */
+    const val TRANSCODING_ERROR: Int = 2
+  }
+}

imagepipeline-base/src/main/java/com/facebook/imageutils/StreamProcessor.kt

@@ -13,7 +13,7 @@ import java.io.InputStream
 /** Util for processing Stream. */
 internal object StreamProcessor {
   /**
-   * Consumes up to 4 bytes and returns them as int (taking into account endianess). Throws
+   * Consumes up to 4 bytes and returns them as int (taking into account endianness). Throws
    * exception if specified number of bytes cannot be consumed.
    *
    * @param stream the input stream to read bytes from

imagepipeline/src/main/java/com/facebook/imagepipeline/transcoder/MultiImageTranscoderFactory.kt

@@ -28,7 +28,7 @@ class MultiImageTranscoderFactory(
   override fun createImageTranscoder(
       imageFormat: ImageFormat,
       isResizingEnabled: Boolean
-  ): ImageTranscoder? {
+  ): ImageTranscoder {
     // Use custom ImageTranscoder, if any
     var imageTranscoder = getCustomImageTranscoder(imageFormat, isResizingEnabled)
     // Use ImageTranscoder based on type passed, if any

imagepipeline/src/main/java/com/facebook/imagepipeline/transcoder/SimpleImageTranscoderFactory.java

@@ -11,7 +11,7 @@
 import com.facebook.infer.annotation.Nullsafe;
 
 /** Factory class to create an {@link SimpleImageTranscoder} */
-@Nullsafe(Nullsafe.Mode.STRICT)
+@Nullsafe(Nullsafe.Mode.LOCAL)
 public class SimpleImageTranscoderFactory implements ImageTranscoderFactory {
 
   private final int mMaxBitmapSize;