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Diffstat (limited to 'gallerycommon/src/com/android/gallery3d/jpegstream/StreamUtils.java')
-rw-r--r--gallerycommon/src/com/android/gallery3d/jpegstream/StreamUtils.java80
1 files changed, 0 insertions, 80 deletions
diff --git a/gallerycommon/src/com/android/gallery3d/jpegstream/StreamUtils.java b/gallerycommon/src/com/android/gallery3d/jpegstream/StreamUtils.java
deleted file mode 100644
index abd8f681e..000000000
--- a/gallerycommon/src/com/android/gallery3d/jpegstream/StreamUtils.java
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Copyright (C) 2013 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.gallery3d.jpegstream;
-
-import java.nio.ByteOrder;
-
-public class StreamUtils {
-
- private StreamUtils() {
- }
-
- /**
- * Copies the input byte array into the output int array with the given
- * endianness. If input is not a multiple of 4, ignores the last 1-3 bytes
- * and returns true.
- */
- public static boolean byteToIntArray(int[] output, byte[] input, ByteOrder endianness) {
- int length = input.length - (input.length % 4);
- if (output.length * 4 < length) {
- throw new ArrayIndexOutOfBoundsException("Output array is too short to hold input");
- }
- if (endianness == ByteOrder.BIG_ENDIAN) {
- for (int i = 0, j = 0; i < output.length; i++, j += 4) {
- output[i] = ((input[j] & 0xFF) << 24) | ((input[j + 1] & 0xFF) << 16)
- | ((input[j + 2] & 0xFF) << 8) | ((input[j + 3] & 0xFF));
- }
- } else {
- for (int i = 0, j = 0; i < output.length; i++, j += 4) {
- output[i] = ((input[j + 3] & 0xFF) << 24) | ((input[j + 2] & 0xFF) << 16)
- | ((input[j + 1] & 0xFF) << 8) | ((input[j] & 0xFF));
- }
- }
- return input.length % 4 != 0;
- }
-
- public static int[] byteToIntArray(byte[] input, ByteOrder endianness) {
- int[] output = new int[input.length / 4];
- byteToIntArray(output, input, endianness);
- return output;
- }
-
- /**
- * Uses native endianness.
- */
- public static int[] byteToIntArray(byte[] input) {
- return byteToIntArray(input, ByteOrder.nativeOrder());
- }
-
- /**
- * Returns the number of bytes in a pixel for a given format defined in
- * JpegConfig.
- */
- public static int pixelSize(int format) {
- switch (format) {
- case JpegConfig.FORMAT_ABGR:
- case JpegConfig.FORMAT_RGBA:
- return 4;
- case JpegConfig.FORMAT_RGB:
- return 3;
- case JpegConfig.FORMAT_GRAYSCALE:
- return 1;
- default:
- return -1;
- }
- }
-}