content: /*
   * Copyright (C) 2006 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.internal.telephony.cat;
  
  /**
   * {@hide}
   */
  public class ImageDescriptor {
      // members
      int mWidth;
      int mHeight;
      int mCodingScheme;
      int mImageId;
      int mHighOffset;
      int mLowOffset;
      int mLength;
  
      // constants
      static final int CODING_SCHEME_BASIC = 0x11;
      static final int CODING_SCHEME_COLOUR = 0x21;
  
      // public static final int ID_LENGTH = 9;
      // ID_LENGTH substituted by IccFileHandlerBase.GET_RESPONSE_EF_IMG_SIZE_BYTES
  
      ImageDescriptor() {
          mWidth = 0;
          mHeight = 0;
          mCodingScheme = 0;
          mImageId = 0;
          mHighOffset = 0;
          mLowOffset = 0;
          mLength = 0;
      }
  
      /**
       * Extract descriptor information about image instance.
       *
       * @param rawData
       * @param valueIndex
       * @return ImageDescriptor
       */
      static ImageDescriptor parse(byte[] rawData, int valueIndex) {
          ImageDescriptor d = new ImageDescriptor();
          try {
              d.mWidth = rawData[valueIndex++] & 0xff;
              d.mHeight = rawData[valueIndex++] & 0xff;
              d.mCodingScheme = rawData[valueIndex++] & 0xff;
  
              // parse image id
              d.mImageId = (rawData[valueIndex++] & 0xff) << 8;
              d.mImageId |= rawData[valueIndex++] & 0xff;
              // parse offset
              d.mHighOffset = (rawData[valueIndex++] & 0xff); // high byte offset
              d.mLowOffset = rawData[valueIndex++] & 0xff; // low byte offset
  
              d.mLength = ((rawData[valueIndex++] & 0xff) << 8 | (rawData[valueIndex++] & 0xff));
              CatLog.d("ImageDescriptor", "parse; Descriptor : " + d.mWidth + ", " + d.mHeight +
                      ", " + d.mCodingScheme + ", 0x" + Integer.toHexString(d.mImageId) + ", " +
                      d.mHighOffset + ", " + d.mLowOffset + ", " + d.mLength);
          } catch (IndexOutOfBoundsException e) {
              CatLog.d("ImageDescriptor", "parse; failed parsing image descriptor");
              d = null;
          }
          return d;
      }
  }
  