content: /*******************************************************************************
   * Copyright 2011-2013 Sergey Tarasevich
   *
   * 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.nostra13.universalimageloader.core.assist;
  
  /**
   * Type of image scaling during decoding.
   *
   * @author Sergey Tarasevich (nostra13[at]gmail[dot]com)
   * @since 1.5.0
   */
  public enum ImageScaleType {
  	/** Image won't be scaled */
  	NONE,
  	/**
  	 * Image will be scaled down only if image size is greater than
  	 * {@linkplain javax.microedition.khronos.opengles.GL10#GL_MAX_TEXTURE_SIZE maximum acceptable texture size}.
  	 * Usually it's 2048x2048.<br />
  	 * If Bitmap is expected to display than it must not exceed this size (otherwise you'll get the exception
  	 * "OpenGLRenderer: Bitmap too large to be uploaded into a texture".<br />
  	 * Image will be subsampled in an integer number of times (1, 2, 3, ...) to maximum texture size of device.
  	 */
  	NONE_SAFE,
  	/**
  	 * Image will be reduces 2-fold until next reduce step make image smaller target size.<br />
  	 * It's <b>fast</b> type and it's preferable for usage in lists/grids/galleries (and other
  	 * {@linkplain android.widget.AdapterView adapter-views}) .<br />
  	 * Relates to {@link android.graphics.BitmapFactory.Options#inSampleSize}<br />
  	 * Note: If original image size is smaller than target size then original image <b>won't</b> be scaled.
  	 */
  	IN_SAMPLE_POWER_OF_2,
  	/**
  	 * Image will be subsampled in an integer number of times (1, 2, 3, ...). Use it if memory economy is quite
  	 * important.<br />
  	 * Relates to {@link android.graphics.BitmapFactory.Options#inSampleSize}<br />
  	 * Note: If original image size is smaller than target size then original image <b>won't</b> be scaled.
  	 */
  	IN_SAMPLE_INT,
  	/**
  	 * Image will scaled-down exactly to target size (scaled width or height or both will be equal to target size;
  	 * depends on {@linkplain android.widget.ImageView.ScaleType ImageView's scale type}). Use it if memory economy is
  	 * critically important.<br />
  	 * <b>Note:</b> If original image size is smaller than target size then original image <b>won't</b> be scaled.<br />
  	 * <br />
  	 * <b>NOTE:</b> For creating result Bitmap (of exact size) additional Bitmap will be created with
  	 * {@link android.graphics.Bitmap#createBitmap(android.graphics.Bitmap, int, int, int, int, android.graphics.Matrix, boolean)
  	 * Bitmap.createBitmap(...)}.<br />
  	 * <b>Cons:</b> Saves memory by keeping smaller Bitmap in memory cache (comparing with IN_SAMPLE... scale types)<br />
  	 * <b>Pros:</b> Requires more memory in one time for creation of result Bitmap.
  	 */
  	EXACTLY,
  	/**
  	 * Image will scaled exactly to target size (scaled width or height or both will be equal to target size; depends on
  	 * {@linkplain android.widget.ImageView.ScaleType ImageView's scale type}). Use it if memory economy is critically
  	 * important.<br />
  	 * <b>Note:</b> If original image size is smaller than target size then original image <b>will be stretched</b> to
  	 * target size.<br />
  	 * <br />
  	 * <b>NOTE:</b> For creating result Bitmap (of exact size) additional Bitmap will be created with
  	 * {@link android.graphics.Bitmap#createBitmap(android.graphics.Bitmap, int, int, int, int, android.graphics.Matrix, boolean)
  	 * Bitmap.createBitmap(...)}.<br />
  	 * <b>Cons:</b> Saves memory by keeping smaller Bitmap in memory cache (comparing with IN_SAMPLE... scale types)<br />
  	 * <b>Pros:</b> Requires more memory in one time for creation of result Bitmap.
  	 */
  	EXACTLY_STRETCHED
  }
  