java/src/main/com/google/appengine/api/images/ImagesServiceFactoryImpl.java

   1 // Copyright 2012 Google Inc. All rights reserved.
   2
   3 package com.google.appengine.api.images;
   4
   5 import com.google.appengine.api.blobstore.BlobKey;
   6 import com.google.appengine.api.blobstore.BlobstoreServiceFactory;
   7
   8 import java.util.Collection;
   9
  10 /**
  11  * Factory for creating an {@link ImagesService}, {@link Image}s and
  12  * {@link Transform}s.
  13  *
  14  */
  15 final class ImagesServiceFactoryImpl implements IImagesServiceFactory {
  16
  17   @Override
  18   public ImagesService getImagesService() {
  19     return new ImagesServiceImpl();
  20   }
  21
  22   @Override
  23   public Image makeImage(byte[] imageData) {
  24     return new ImageImpl(imageData);
  25   }
  26
  27   @Override
  28   public Image makeImageFromBlob(BlobKey blobKey) {
  29     return new ImageImpl(blobKey);
  30   }
  31
  32   @Override
  33   public Image makeImageFromFilename(String filename) {
  34     BlobKey blobKey = BlobstoreServiceFactory.getBlobstoreService().createGsBlobKey(filename);
  35     return new ImageImpl(blobKey);
  36   }
  37
  38   @Override
  39   public Transform makeResize(int width, int height) {
  40     return new Resize(width, height, false, 0.0f, 0.0f);
  41   }
  42
  43   @Override
  44   public Transform makeResize(int width, int height, boolean allowStretch) {
  45     return new Resize(width, height, allowStretch);
  46   }
  47
  48   @Override
  49   public Transform makeResize(int width, int height, float cropOffsetX, float cropOffsetY) {
  50     return new Resize(width, height, true, cropOffsetX, cropOffsetY);
  51   }
  52
  53   @Override
  54   public Transform makeResize(int width, int height, double cropOffsetX,
  55                                      double cropOffsetY) {
  56     return new Resize(width, height, true, (float) cropOffsetX, (float) cropOffsetY);
  57   }
  58
  59   @Override
  60   public Transform makeCrop(float leftX, float topY, float rightX,
  61                                    float bottomY) {
  62     return new Crop(leftX, topY, rightX, bottomY);
  63   }
  64
  65   @Override
  66   public Transform makeCrop(double leftX, double topY,
  67                                    double rightX, double bottomY) {
  68     return makeCrop((float) leftX, (float) topY, (float) rightX, (float) bottomY);
  69   }
  70
  71   @Override
  72   public Transform makeVerticalFlip() {
  73     return new VerticalFlip();
  74   }
  75
  76   @Override
  77   public Transform makeHorizontalFlip() {
  78     return new HorizontalFlip();
  79   }
  80
  81   @Override
  82   public Transform makeRotate(int degrees) {
  83     return new Rotate(degrees);
  84   }
  85
  86   @Override
  87   public Transform makeImFeelingLucky() {
  88     return new ImFeelingLucky();
  89   }
  90
  91   @Override
  92   public CompositeTransform makeCompositeTransform(
  93       Collection<Transform> transforms) {
  94     return new CompositeTransform(transforms);
  95   }
  96
  97   @Override
  98   public CompositeTransform makeCompositeTransform() {
  99     return new CompositeTransform();
 100   }
 101
 102   @Override
 103   public Composite makeComposite(Image image, int xOffset, int yOffset,
 104                                         float opacity,
 105                                         Composite.Anchor anchor) {
 106     return new CompositeImpl(image, xOffset, yOffset, opacity, anchor);
 107   }
 108
 109 }