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/*
* Copyright (C) 2009 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.camera.gallery;
import com.android.camera.BitmapManager;
import com.android.camera.Util;
import android.content.ContentResolver;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.ParcelFileDescriptor;
import android.provider.MediaStore.Images;
import android.util.Log;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
/**
* Represents a particular image and provides access to the underlying bitmap
* and two thumbnail bitmaps as well as other information such as the id, and
* the path to the actual image data.
*/
public abstract class BaseImage implements IImage {
private static final String TAG = "BaseImage";
private static final int UNKNOWN_LENGTH = -1;
protected ContentResolver mContentResolver;
// Database field
protected Uri mUri;
protected long mId;
protected String mDataPath;
protected long mMiniThumbMagic;
protected final int mIndex;
protected String mMimeType;
private final long mDateTaken;
private String mTitle;
private final String mDisplayName;
protected BaseImageList mContainer;
private int mWidth = UNKNOWN_LENGTH;
private int mHeight = UNKNOWN_LENGTH;
protected BaseImage(BaseImageList container, ContentResolver cr,
long id, int index, Uri uri, String dataPath, long miniThumbMagic,
String mimeType, long dateTaken, String title, String displayName) {
mContainer = container;
mContentResolver = cr;
mId = id;
mIndex = index;
mUri = uri;
mDataPath = dataPath;
mMiniThumbMagic = miniThumbMagic;
mMimeType = mimeType;
mDateTaken = dateTaken;
mTitle = title;
mDisplayName = displayName;
}
public String getDataPath() {
return mDataPath;
}
@Override
public boolean equals(Object other) {
if (other == null || !(other instanceof Image)) return false;
return mUri.equals(((Image) other).mUri);
}
@Override
public int hashCode() {
return mUri.hashCode();
}
public Bitmap fullSizeBitmap(int minSideLength, int maxNumberOfPixels) {
return fullSizeBitmap(minSideLength, maxNumberOfPixels,
IImage.ROTATE_AS_NEEDED, IImage.NO_NATIVE);
}
public Bitmap fullSizeBitmap(int minSideLength, int maxNumberOfPixels,
boolean rotateAsNeeded, boolean useNative) {
Uri url = mContainer.contentUri(mId);
if (url == null) return null;
Bitmap b = Util.makeBitmap(minSideLength, maxNumberOfPixels,
url, mContentResolver, useNative);
if (b != null && rotateAsNeeded) {
b = Util.rotate(b, getDegreesRotated());
}
return b;
}
public InputStream fullSizeImageData() {
try {
InputStream input = mContentResolver.openInputStream(mUri);
return input;
} catch (IOException ex) {
return null;
}
}
public Uri fullSizeImageUri() {
return mUri;
}
public IImageList getContainer() {
return mContainer;
}
public long getDateTaken() {
return mDateTaken;
}
public int getDegreesRotated() {
return 0;
}
public String getMimeType() {
return mMimeType;
}
public String getTitle() {
return mTitle;
}
public String getDisplayName() {
return mDisplayName;
}
private void setupDimension() {
ParcelFileDescriptor input = null;
try {
input = mContentResolver.openFileDescriptor(mUri, "r");
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = true;
BitmapManager.instance().decodeFileDescriptor(
input.getFileDescriptor(), options);
mWidth = options.outWidth;
mHeight = options.outHeight;
} catch (FileNotFoundException ex) {
mWidth = 0;
mHeight = 0;
} finally {
Util.closeSilently(input);
}
}
public int getWidth() {
if (mWidth == UNKNOWN_LENGTH) setupDimension();
return mWidth;
}
public int getHeight() {
if (mHeight == UNKNOWN_LENGTH) setupDimension();
return mHeight;
}
public Bitmap miniThumbBitmap() {
Bitmap b = null;
try {
long id = mId;
b = BitmapManager.instance().getThumbnail(mContentResolver, id,
Images.Thumbnails.MICRO_KIND, null, false);
} catch (Throwable ex) {
Log.e(TAG, "miniThumbBitmap got exception", ex);
return null;
}
if (b != null) {
b = Util.rotate(b, getDegreesRotated());
}
return b;
}
protected void onRemove() {
}
@Override
public String toString() {
return mUri.toString();
}
}
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