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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.camera.gallery;
     18 
     19 import android.graphics.Bitmap;
     20 import android.net.Uri;
     21 
     22 import java.io.InputStream;
     23 
     24 /**
     25  * The interface of all images used in gallery.
     26  */
     27 public interface IImage {
     28     static final int THUMBNAIL_TARGET_SIZE = 320;
     29     static final int MINI_THUMB_TARGET_SIZE = 96;
     30     static final int THUMBNAIL_MAX_NUM_PIXELS = 512 * 384;
     31     static final int MINI_THUMB_MAX_NUM_PIXELS = 128 * 128;
     32     static final int UNCONSTRAINED = -1;
     33 
     34     /** Get the image list which contains this image. */
     35     public abstract IImageList getContainer();
     36 
     37     /** Get the bitmap for the full size image. */
     38     public abstract Bitmap fullSizeBitmap(int minSideLength,
     39             int maxNumberOfPixels);
     40     public abstract Bitmap fullSizeBitmap(int minSideLength,
     41             int maxNumberOfPixels, boolean rotateAsNeeded, boolean useNative);
     42     public abstract int getDegreesRotated();
     43     public static final boolean ROTATE_AS_NEEDED = true;
     44     public static final boolean NO_ROTATE = false;
     45     public static final boolean USE_NATIVE = true;
     46     public static final boolean NO_NATIVE = false;
     47 
     48     /** Get the input stream associated with a given full size image. */
     49     public abstract InputStream fullSizeImageData();
     50     public abstract Uri fullSizeImageUri();
     51 
     52     /** Get the path of the (full size) image data. */
     53     public abstract String getDataPath();
     54 
     55     // Get the title of the image
     56     public abstract String getTitle();
     57 
     58     // Get metadata of the image
     59     public abstract long getDateTaken();
     60 
     61     public abstract String getMimeType();
     62 
     63     public abstract int getWidth();
     64 
     65     public abstract int getHeight();
     66 
     67     // Get property of the image
     68     public abstract boolean isReadonly();
     69     public abstract boolean isDrm();
     70 
     71     // Get the bitmap of the medium thumbnail
     72     public abstract Bitmap thumbBitmap(boolean rotateAsNeeded);
     73 
     74     // Get the bitmap of the mini thumbnail.
     75     public abstract Bitmap miniThumbBitmap();
     76 
     77     // Rotate the image
     78     public abstract boolean rotateImageBy(int degrees);
     79 
     80 }
     81