content: /*
   * Copyright (C) 2010 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.gallery3d.glrenderer;
  
  import android.util.Log;
  
  import javax.microedition.khronos.opengles.GL11;
  
  public class RawTexture extends BasicTexture {
      private static final String TAG = "RawTexture";
  
      private final boolean mOpaque;
      private boolean mIsFlipped;
  
      public RawTexture(int width, int height, boolean opaque) {
          mOpaque = opaque;
          setSize(width, height);
      }
  
      @Override
      public boolean isOpaque() {
          return mOpaque;
      }
  
      @Override
      public boolean isFlippedVertically() {
          return mIsFlipped;
      }
  
      public void setIsFlippedVertically(boolean isFlipped) {
          mIsFlipped = isFlipped;
      }
  
      protected void prepare(GLCanvas canvas) {
          GLId glId = canvas.getGLId();
          mId = glId.generateTexture();
          canvas.initializeTextureSize(this, GL11.GL_RGBA, GL11.GL_UNSIGNED_BYTE);
          canvas.setTextureParameters(this);
          mState = STATE_LOADED;
          setAssociatedCanvas(canvas);
      }
  
      @Override
      protected boolean onBind(GLCanvas canvas) {
          if (isLoaded()) return true;
          Log.w(TAG, "lost the content due to context change");
          return false;
      }
  
      @Override
       public void yield() {
           // we cannot free the texture because we have no backup.
       }
  
      @Override
      protected int getTarget() {
          return GL11.GL_TEXTURE_2D;
      }
  }
  