content: /*
   * Copyright (C) 2011 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 android.filterfw.core;
  
  import android.filterfw.core.Frame;
  import android.filterfw.core.FrameFormat;
  import android.filterfw.core.FrameManager;
  import android.graphics.Bitmap;
  
  import java.nio.ByteBuffer;
  
  /**
   * @hide
   */
  public class VertexFrame extends Frame {
  
      private int vertexFrameId = -1;
  
      VertexFrame(FrameFormat format, FrameManager frameManager) {
          super(format, frameManager);
          if (getFormat().getSize() <= 0) {
              throw new IllegalArgumentException("Initializing vertex frame with zero size!");
          } else {
              if (!nativeAllocate(getFormat().getSize())) {
                  throw new RuntimeException("Could not allocate vertex frame!");
              }
          }
      }
  
      @Override
      protected synchronized boolean hasNativeAllocation() {
          return vertexFrameId != -1;
      }
  
      @Override
      protected synchronized void releaseNativeAllocation() {
          nativeDeallocate();
          vertexFrameId = -1;
      }
  
      @Override
      public Object getObjectValue() {
          throw new RuntimeException("Vertex frames do not support reading data!");
      }
  
      @Override
      public void setInts(int[] ints) {
          assertFrameMutable();
          if (!setNativeInts(ints)) {
              throw new RuntimeException("Could not set int values for vertex frame!");
          }
      }
  
      @Override
      public int[] getInts() {
          throw new RuntimeException("Vertex frames do not support reading data!");
      }
  
      @Override
      public void setFloats(float[] floats) {
          assertFrameMutable();
          if (!setNativeFloats(floats)) {
              throw new RuntimeException("Could not set int values for vertex frame!");
          }
      }
  
      @Override
      public float[] getFloats() {
          throw new RuntimeException("Vertex frames do not support reading data!");
      }
  
      @Override
      public void setData(ByteBuffer buffer, int offset, int length) {
          assertFrameMutable();
          byte[] bytes = buffer.array();
          if (getFormat().getSize() != bytes.length) {
              throw new RuntimeException("Data size in setData does not match vertex frame size!");
          } else if (!setNativeData(bytes, offset, length)) {
              throw new RuntimeException("Could not set vertex frame data!");
          }
      }
  
      @Override
      public ByteBuffer getData() {
          throw new RuntimeException("Vertex frames do not support reading data!");
      }
  
      @Override
      public void setBitmap(Bitmap bitmap) {
          throw new RuntimeException("Unsupported: Cannot set vertex frame bitmap value!");
      }
  
      @Override
      public Bitmap getBitmap() {
          throw new RuntimeException("Vertex frames do not support reading data!");
      }
  
      @Override
      public void setDataFromFrame(Frame frame) {
          // TODO: Optimize
          super.setDataFromFrame(frame);
      }
  
      public int getVboId() {
          return getNativeVboId();
      }
  
      @Override
      public String toString() {
          return "VertexFrame (" + getFormat() + ") with VBO ID " + getVboId();
      }
  
      static {
          System.loadLibrary("filterfw");
      }
  
      private native boolean nativeAllocate(int size);
  
      private native boolean nativeDeallocate();
  
      private native boolean setNativeData(byte[] data, int offset, int length);
  
      private native boolean setNativeInts(int[] ints);
  
      private native boolean setNativeFloats(float[] floats);
  
      private native int getNativeVboId();
  }
  