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author | Mike Dodd <mdodd@google.com> | 2015-08-12 18:48:39 +0000 |
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committer | Mike Dodd <mdodd@google.com> | 2015-08-12 18:48:39 +0000 |
commit | ef8c7abbcfc9c770385d6609a4b4bc70240ebdc4 (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /src/com/android/messaging/util/exif/ExifData.java | |
parent | 461a34b466cb4b13dbbc2ec6330b31e217b2ac4e (diff) | |
download | android_packages_apps_Messaging-ef8c7abbcfc9c770385d6609a4b4bc70240ebdc4.tar.gz android_packages_apps_Messaging-ef8c7abbcfc9c770385d6609a4b4bc70240ebdc4.tar.bz2 android_packages_apps_Messaging-ef8c7abbcfc9c770385d6609a4b4bc70240ebdc4.zip |
Revert "Initial checkin of AOSP Messaging app."
This reverts commit 461a34b466cb4b13dbbc2ec6330b31e217b2ac4e.
Change-Id: Iac4ca77eeaa94989e91dead49a7959c905bd3078
Diffstat (limited to 'src/com/android/messaging/util/exif/ExifData.java')
-rw-r--r-- | src/com/android/messaging/util/exif/ExifData.java | 349 |
1 files changed, 0 insertions, 349 deletions
diff --git a/src/com/android/messaging/util/exif/ExifData.java b/src/com/android/messaging/util/exif/ExifData.java deleted file mode 100644 index 77ba4e9..0000000 --- a/src/com/android/messaging/util/exif/ExifData.java +++ /dev/null @@ -1,349 +0,0 @@ -/* - * Copyright (C) 2012 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.messaging.util.exif; - -import android.util.Log; -import com.android.messaging.util.LogUtil; - -import java.io.UnsupportedEncodingException; -import java.nio.ByteOrder; -import java.util.ArrayList; -import java.util.Arrays; -import java.util.List; - -/** - * This class stores the EXIF header in IFDs according to the JPEG - * specification. It is the result produced by {@link ExifReader}. - * - * @see ExifReader - * @see IfdData - */ -class ExifData { - private static final String TAG = LogUtil.BUGLE_TAG; - private static final byte[] USER_COMMENT_ASCII = { - 0x41, 0x53, 0x43, 0x49, 0x49, 0x00, 0x00, 0x00 - }; - private static final byte[] USER_COMMENT_JIS = { - 0x4A, 0x49, 0x53, 0x00, 0x00, 0x00, 0x00, 0x00 - }; - private static final byte[] USER_COMMENT_UNICODE = { - 0x55, 0x4E, 0x49, 0x43, 0x4F, 0x44, 0x45, 0x00 - }; - - private final IfdData[] mIfdDatas = new IfdData[IfdId.TYPE_IFD_COUNT]; - private byte[] mThumbnail; - private final ArrayList<byte[]> mStripBytes = new ArrayList<byte[]>(); - private final ByteOrder mByteOrder; - - ExifData(ByteOrder order) { - mByteOrder = order; - } - - /** - * Gets the compressed thumbnail. Returns null if there is no compressed - * thumbnail. - * - * @see #hasCompressedThumbnail() - */ - protected byte[] getCompressedThumbnail() { - return mThumbnail; - } - - /** - * Sets the compressed thumbnail. - */ - protected void setCompressedThumbnail(byte[] thumbnail) { - mThumbnail = thumbnail; - } - - /** - * Returns true it this header contains a compressed thumbnail. - */ - protected boolean hasCompressedThumbnail() { - return mThumbnail != null; - } - - /** - * Adds an uncompressed strip. - */ - protected void setStripBytes(int index, byte[] strip) { - if (index < mStripBytes.size()) { - mStripBytes.set(index, strip); - } else { - for (int i = mStripBytes.size(); i < index; i++) { - mStripBytes.add(null); - } - mStripBytes.add(strip); - } - } - - /** - * Gets the strip count. - */ - protected int getStripCount() { - return mStripBytes.size(); - } - - /** - * Gets the strip at the specified index. - * - * @exceptions #IndexOutOfBoundException - */ - protected byte[] getStrip(int index) { - return mStripBytes.get(index); - } - - /** - * Returns true if this header contains uncompressed strip. - */ - protected boolean hasUncompressedStrip() { - return mStripBytes.size() != 0; - } - - /** - * Gets the byte order. - */ - protected ByteOrder getByteOrder() { - return mByteOrder; - } - - /** - * Returns the {@link IfdData} object corresponding to a given IFD if it - * exists or null. - */ - protected IfdData getIfdData(int ifdId) { - if (ExifTag.isValidIfd(ifdId)) { - return mIfdDatas[ifdId]; - } - return null; - } - - /** - * Adds IFD data. If IFD data of the same type already exists, it will be - * replaced by the new data. - */ - protected void addIfdData(IfdData data) { - mIfdDatas[data.getId()] = data; - } - - /** - * Returns the {@link IfdData} object corresponding to a given IFD or - * generates one if none exist. - */ - protected IfdData getOrCreateIfdData(int ifdId) { - IfdData ifdData = mIfdDatas[ifdId]; - if (ifdData == null) { - ifdData = new IfdData(ifdId); - mIfdDatas[ifdId] = ifdData; - } - return ifdData; - } - - /** - * Returns the tag with a given TID in the given IFD if the tag exists. - * Otherwise returns null. - */ - protected ExifTag getTag(short tag, int ifd) { - IfdData ifdData = mIfdDatas[ifd]; - return (ifdData == null) ? null : ifdData.getTag(tag); - } - - /** - * Adds the given ExifTag to its default IFD and returns an existing ExifTag - * with the same TID or null if none exist. - */ - protected ExifTag addTag(ExifTag tag) { - if (tag != null) { - int ifd = tag.getIfd(); - return addTag(tag, ifd); - } - return null; - } - - /** - * Adds the given ExifTag to the given IFD and returns an existing ExifTag - * with the same TID or null if none exist. - */ - protected ExifTag addTag(ExifTag tag, int ifdId) { - if (tag != null && ExifTag.isValidIfd(ifdId)) { - IfdData ifdData = getOrCreateIfdData(ifdId); - return ifdData.setTag(tag); - } - return null; - } - - protected void clearThumbnailAndStrips() { - mThumbnail = null; - mStripBytes.clear(); - } - - /** - * Removes the thumbnail and its related tags. IFD1 will be removed. - */ - protected void removeThumbnailData() { - clearThumbnailAndStrips(); - mIfdDatas[IfdId.TYPE_IFD_1] = null; - } - - /** - * Removes the tag with a given TID and IFD. - */ - protected void removeTag(short tagId, int ifdId) { - IfdData ifdData = mIfdDatas[ifdId]; - if (ifdData == null) { - return; - } - ifdData.removeTag(tagId); - } - - /** - * Decodes the user comment tag into string as specified in the EXIF - * standard. Returns null if decoding failed. - */ - protected String getUserComment() { - IfdData ifdData = mIfdDatas[IfdId.TYPE_IFD_0]; - if (ifdData == null) { - return null; - } - ExifTag tag = ifdData.getTag(ExifInterface.getTrueTagKey(ExifInterface.TAG_USER_COMMENT)); - if (tag == null) { - return null; - } - if (tag.getComponentCount() < 8) { - return null; - } - - byte[] buf = new byte[tag.getComponentCount()]; - tag.getBytes(buf); - - byte[] code = new byte[8]; - System.arraycopy(buf, 0, code, 0, 8); - - try { - if (Arrays.equals(code, USER_COMMENT_ASCII)) { - return new String(buf, 8, buf.length - 8, "US-ASCII"); - } else if (Arrays.equals(code, USER_COMMENT_JIS)) { - return new String(buf, 8, buf.length - 8, "EUC-JP"); - } else if (Arrays.equals(code, USER_COMMENT_UNICODE)) { - return new String(buf, 8, buf.length - 8, "UTF-16"); - } else { - return null; - } - } catch (UnsupportedEncodingException e) { - Log.w(TAG, "Failed to decode the user comment"); - return null; - } - } - - /** - * Returns a list of all {@link ExifTag}s in the ExifData or null if there - * are none. - */ - protected List<ExifTag> getAllTags() { - ArrayList<ExifTag> ret = new ArrayList<ExifTag>(); - for (IfdData d : mIfdDatas) { - if (d != null) { - ExifTag[] tags = d.getAllTags(); - if (tags != null) { - for (ExifTag t : tags) { - ret.add(t); - } - } - } - } - if (ret.size() == 0) { - return null; - } - return ret; - } - - /** - * Returns a list of all {@link ExifTag}s in a given IFD or null if there - * are none. - */ - protected List<ExifTag> getAllTagsForIfd(int ifd) { - IfdData d = mIfdDatas[ifd]; - if (d == null) { - return null; - } - ExifTag[] tags = d.getAllTags(); - if (tags == null) { - return null; - } - ArrayList<ExifTag> ret = new ArrayList<ExifTag>(tags.length); - for (ExifTag t : tags) { - ret.add(t); - } - if (ret.size() == 0) { - return null; - } - return ret; - } - - /** - * Returns a list of all {@link ExifTag}s with a given TID or null if there - * are none. - */ - protected List<ExifTag> getAllTagsForTagId(short tag) { - ArrayList<ExifTag> ret = new ArrayList<ExifTag>(); - for (IfdData d : mIfdDatas) { - if (d != null) { - ExifTag t = d.getTag(tag); - if (t != null) { - ret.add(t); - } - } - } - if (ret.size() == 0) { - return null; - } - return ret; - } - - @Override - public boolean equals(Object obj) { - if (this == obj) { - return true; - } - if (obj == null) { - return false; - } - if (obj instanceof ExifData) { - ExifData data = (ExifData) obj; - if (data.mByteOrder != mByteOrder || - data.mStripBytes.size() != mStripBytes.size() || - !Arrays.equals(data.mThumbnail, mThumbnail)) { - return false; - } - for (int i = 0; i < mStripBytes.size(); i++) { - if (!Arrays.equals(data.mStripBytes.get(i), mStripBytes.get(i))) { - return false; - } - } - for (int i = 0; i < IfdId.TYPE_IFD_COUNT; i++) { - IfdData ifd1 = data.getIfdData(i); - IfdData ifd2 = getIfdData(i); - if (ifd1 != ifd2 && ifd1 != null && !ifd1.equals(ifd2)) { - return false; - } - } - return true; - } - return false; - } - -} |