summaryrefslogtreecommitdiffstats
path: root/src/com/android/gallery3d/exif/ExifData.java
diff options
context:
space:
mode:
Diffstat (limited to 'src/com/android/gallery3d/exif/ExifData.java')
-rw-r--r--src/com/android/gallery3d/exif/ExifData.java261
1 files changed, 0 insertions, 261 deletions
diff --git a/src/com/android/gallery3d/exif/ExifData.java b/src/com/android/gallery3d/exif/ExifData.java
deleted file mode 100644
index 39eb57455..000000000
--- a/src/com/android/gallery3d/exif/ExifData.java
+++ /dev/null
@@ -1,261 +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.gallery3d.exif;
-
-import java.nio.ByteOrder;
-import java.util.ArrayList;
-import java.util.Arrays;
-
-/**
- * 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
- */
-public class ExifData {
- private final IfdData[] mIfdDatas = new IfdData[IfdId.TYPE_IFD_COUNT];
- private byte[] mThumbnail;
- private ArrayList<byte[]> mStripBytes = new ArrayList<byte[]>();
- private final ByteOrder mByteOrder;
-
- public ExifData(ByteOrder order) {
- mByteOrder = order;
- }
-
- IfdData getIfdData(int ifdId) {
- return mIfdDatas[ifdId];
- }
-
- /**
- * Adds IFD data. If IFD data of the same type already exists,
- * it will be replaced by the new data.
- */
- void addIfdData(IfdData data) {
- mIfdDatas[data.getId()] = data;
- }
-
- /**
- * Gets the compressed thumbnail. Returns null if there is no compressed thumbnail.
- *
- * @see #hasCompressedThumbnail()
- */
- public byte[] getCompressedThumbnail() {
- return mThumbnail;
- }
-
- /**
- * Sets the compressed thumbnail.
- */
- public void setCompressedThumbnail(byte[] thumbnail) {
- mThumbnail = thumbnail;
- }
-
- /**
- * Returns true it this header contains a compressed thumbnail.
- */
- public boolean hasCompressedThumbnail() {
- return mThumbnail != null;
- }
-
- /**
- * Adds an uncompressed strip.
- */
- public 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.
- */
- public int getStripCount() {
- return mStripBytes.size();
- }
-
- /**
- * Gets the strip at the specified index.
- * @exceptions #IndexOutOfBoundException
- */
- public byte[] getStrip(int index) {
- return mStripBytes.get(index);
- }
-
- /**
- * Gets the byte order.
- */
- public ByteOrder getByteOrder() {
- return mByteOrder;
- }
-
- /**
- * Returns true if this header contains uncompressed strip of thumbnail.
- */
- public boolean hasUncompressedStrip() {
- return mStripBytes.size() != 0;
- }
-
- @Override
- public boolean equals(Object obj) {
- if (obj instanceof ExifData) {
- ExifData data = (ExifData) obj;
- if (data.mByteOrder != mByteOrder
- || !Arrays.equals(data.mThumbnail, mThumbnail)
- || data.mStripBytes.size() != mStripBytes.size()) 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++) {
- if (!Util.equals(data.getIfdData(i), getIfdData(i))) return false;
- }
- return true;
- }
- return false;
- }
-
- /**
- * Adds {@link ExifTag#TAG_GPS_LATITUDE}, {@link ExifTag#TAG_GPS_LONGITUDE},
- * {@link ExifTag#TAG_GPS_LATITUDE_REF} and {@link ExifTag#TAG_GPS_LONGITUDE_REF} with the
- * given latitude and longitude.
- */
- public void addGpsTags(double latitude, double longitude) {
- IfdData gpsIfd = getIfdData(IfdId.TYPE_IFD_GPS);
- if (gpsIfd == null) {
- gpsIfd = new IfdData(IfdId.TYPE_IFD_GPS);
- addIfdData(gpsIfd);
- }
- ExifTag latTag = new ExifTag(ExifTag.TAG_GPS_LATITUDE, ExifTag.TYPE_RATIONAL,
- 3, IfdId.TYPE_IFD_GPS);
- ExifTag longTag = new ExifTag(ExifTag.TAG_GPS_LONGITUDE, ExifTag.TYPE_RATIONAL,
- 3, IfdId.TYPE_IFD_GPS);
- ExifTag latRefTag = new ExifTag(ExifTag.TAG_GPS_LATITUDE_REF,
- ExifTag.TYPE_ASCII, 2, IfdId.TYPE_IFD_GPS);
- ExifTag longRefTag = new ExifTag(ExifTag.TAG_GPS_LONGITUDE_REF,
- ExifTag.TYPE_ASCII, 2, IfdId.TYPE_IFD_GPS);
- latTag.setValue(toExifLatLong(latitude));
- longTag.setValue(toExifLatLong(longitude));
- latRefTag.setValue(latitude >= 0
- ? ExifTag.GpsLatitudeRef.NORTH
- : ExifTag.GpsLatitudeRef.SOUTH);
- longRefTag.setValue(longitude >= 0
- ? ExifTag.GpsLongitudeRef.EAST
- : ExifTag.GpsLongitudeRef.WEST);
- gpsIfd.setTag(latTag);
- gpsIfd.setTag(longTag);
- gpsIfd.setTag(latRefTag);
- gpsIfd.setTag(longRefTag);
- }
-
- private static Rational[] toExifLatLong(double value) {
- // convert to the format dd/1 mm/1 ssss/100
- value = Math.abs(value);
- int degrees = (int) value;
- value = (value - degrees) * 60;
- int minutes = (int) value;
- value = (value - minutes) * 6000;
- int seconds = (int) value;
- return new Rational[] {
- new Rational(degrees, 1), new Rational(minutes, 1), new Rational(seconds, 100)};
- }
-
- private IfdData getOrCreateIfdData(int ifdId) {
- IfdData ifdData = mIfdDatas[ifdId];
- if (ifdData == null) {
- ifdData = new IfdData(ifdId);
- mIfdDatas[ifdId] = ifdData;
- }
- return ifdData;
- }
-
- /**
- * Gets the tag with the given tag ID. Returns null if the tag does not exist. For tags
- * related to interoperability or thumbnail, call {@link #getInteroperabilityTag(short)} and
- * {@link #getThumbnailTag(short)} respectively.
- */
- public ExifTag getTag(short tagId) {
- int ifdId = ExifTag.getIfdIdFromTagId(tagId);
- IfdData ifdData = mIfdDatas[ifdId];
- return (ifdData == null) ? null : ifdData.getTag(tagId);
- }
-
- /**
- * Gets the thumbnail-related tag with the given tag ID.
- */
- public ExifTag getThumbnailTag(short tagId) {
- IfdData ifdData = mIfdDatas[IfdId.TYPE_IFD_1];
- return (ifdData == null) ? null : ifdData.getTag(tagId);
- }
-
- /**
- * Gets the interoperability-related tag with the given tag ID.
- */
- public ExifTag getInteroperabilityTag(short tagId) {
- IfdData ifdData = mIfdDatas[IfdId.TYPE_IFD_INTEROPERABILITY];
- return (ifdData == null) ? null : ifdData.getTag(tagId);
- }
-
- /**
- * Adds a tag with the given tag ID. The original tag will be replaced by the new tag. For tags
- * related to interoperability or thumbnail, call {@link #addInteroperabilityTag(short)} or
- * {@link #addThumbnailTag(short)} respectively.
- * @exception IllegalArgumentException if the tag ID is invalid.
- */
- public ExifTag addTag(short tagId) {
- int ifdId = ExifTag.getIfdIdFromTagId(tagId);
- IfdData ifdData = getOrCreateIfdData(ifdId);
- ExifTag tag = ExifTag.buildTag(tagId);
- ifdData.setTag(tag);
- return tag;
- }
-
- /**
- * Adds a thumbnail-related tag with the given tag ID. The original tag will be replaced
- * by the new tag.
- * @exception IllegalArgumentException if the tag ID is invalid.
- */
- public ExifTag addThumbnailTag(short tagId) {
- IfdData ifdData = getOrCreateIfdData(IfdId.TYPE_IFD_1);
- ExifTag tag = ExifTag.buildThumbnailTag(tagId);
- ifdData.setTag(tag);
- return tag;
- }
-
- /**
- * Adds an interoperability-related tag with the given tag ID. The original tag will be
- * replaced by the new tag.
- * @exception IllegalArgumentException if the tag ID is invalid.
- */
- public ExifTag addInteroperabilityTag(short tagId) {
- IfdData ifdData = getOrCreateIfdData(IfdId.TYPE_IFD_INTEROPERABILITY);
- ExifTag tag = ExifTag.buildInteroperabilityTag(tagId);
- ifdData.setTag(tag);
- return tag;
- }
-
- public void removeThumbnailData() {
- mThumbnail = null;
- mStripBytes.clear();
- mIfdDatas[IfdId.TYPE_IFD_1] = null;
- }
-} \ No newline at end of file
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-13 09:34:40 +0000