content: /*
   * Copyright (C) 2009 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.renderscript;
  
  
  /**
   * Class for exposing the native RenderScript byte3 type back to the Android system.
   *
   **/
  public class Byte3 {
      public byte x;
      public byte y;
      public byte z;
  
      public Byte3() {
      }
  
      public Byte3(byte initX, byte initY, byte initZ) {
          x = initX;
          y = initY;
          z = initZ;
      }
  
      /** @hide */
      public Byte3(Byte3 source) {
          this.x = source.x;
          this.y = source.y;
          this.z = source.z;
      }
  
      /** @hide
       * Vector add
       *
       * @param a
       */
      public void add(Byte3 a) {
          this.x += a.x;
          this.y += a.y;
          this.z += a.z;
      }
  
      /** @hide
       * Vector add
       *
       * @param a
       * @param b
       * @return
       */
      public static Byte3 add(Byte3 a, Byte3 b) {
          Byte3 result = new Byte3();
          result.x = (byte)(a.x + b.x);
          result.y = (byte)(a.y + b.y);
          result.z = (byte)(a.z + b.z);
  
          return result;
      }
  
      /** @hide
       * Vector add
       *
       * @param value
       */
      public void add(byte value) {
          x += value;
          y += value;
          z += value;
      }
  
      /** @hide
       * Vector add
       *
       * @param a
       * @param b
       * @return
       */
      public static Byte3 add(Byte3 a, byte b) {
          Byte3 result = new Byte3();
          result.x = (byte)(a.x + b);
          result.y = (byte)(a.y + b);
          result.z = (byte)(a.z + b);
  
          return result;
      }
  
      /** @hide
       * Vector subtraction
       *
       * @param a
       */
      public void sub(Byte3 a) {
          this.x -= a.x;
          this.y -= a.y;
          this.z -= a.z;
      }
  
      /** @hide
       * Vector subtraction
       *
       * @param a
       * @param b
       * @return
       */
      public static Byte3 sub(Byte3 a, Byte3 b) {
          Byte3 result = new Byte3();
          result.x = (byte)(a.x - b.x);
          result.y = (byte)(a.y - b.y);
          result.z = (byte)(a.z - b.z);
  
          return result;
      }
  
      /** @hide
       * Vector subtraction
       *
       * @param value
       */
      public void sub(byte value) {
          x -= value;
          y -= value;
          z -= value;
      }
  
      /** @hide
       * Vector subtraction
       *
       * @param a
       * @param b
       * @return
       */
      public static Byte3 sub(Byte3 a, byte b) {
          Byte3 result = new Byte3();
          result.x = (byte)(a.x - b);
          result.y = (byte)(a.y - b);
          result.z = (byte)(a.z - b);
  
          return result;
      }
  
      /** @hide
       * Vector multiplication
       *
       * @param a
       */
      public void mul(Byte3 a) {
          this.x *= a.x;
          this.y *= a.y;
          this.z *= a.z;
      }
  
      /** @hide
       * Vector multiplication
       *
       * @param a
       * @param b
       * @return
       */
      public static Byte3 mul(Byte3 a, Byte3 b) {
          Byte3 result = new Byte3();
          result.x = (byte)(a.x * b.x);
          result.y = (byte)(a.y * b.y);
          result.z = (byte)(a.z * b.z);
  
          return result;
      }
  
      /** @hide
       * Vector multiplication
       *
       * @param value
       */
      public void mul(byte value) {
          x *= value;
          y *= value;
          z *= value;
      }
  
      /** @hide
       * Vector multiplication
       *
       * @param a
       * @param b
       * @return
       */
      public static Byte3 mul(Byte3 a, byte b) {
          Byte3 result = new Byte3();
          result.x = (byte)(a.x * b);
          result.y = (byte)(a.y * b);
          result.z = (byte)(a.z * b);
  
          return result;
      }
  
      /** @hide
       * Vector division
       *
       * @param a
       */
      public void div(Byte3 a) {
          this.x /= a.x;
          this.y /= a.y;
          this.z /= a.z;
      }
  
      /** @hide
       * Vector division
       *
       * @param a
       * @param b
       * @return
       */
      public static Byte3 div(Byte3 a, Byte3 b) {
          Byte3 result = new Byte3();
          result.x = (byte)(a.x / b.x);
          result.y = (byte)(a.y / b.y);
          result.z = (byte)(a.z / b.z);
  
          return result;
      }
  
      /** @hide
       * Vector division
       *
       * @param value
       */
      public void div(byte value) {
          x /= value;
          y /= value;
          z /= value;
      }
  
      /** @hide
       * Vector division
       *
       * @param a
       * @param b
       * @return
       */
      public static Byte3 div(Byte3 a, byte b) {
          Byte3 result = new Byte3();
          result.x = (byte)(a.x / b);
          result.y = (byte)(a.y / b);
          result.z = (byte)(a.z / b);
  
          return result;
      }
  
      /** @hide
       * get vector length
       *
       * @return
       */
      public byte length() {
          return 3;
      }
  
      /** @hide
       * set vector negate
       */
      public void negate() {
          this.x = (byte)(-x);
          this.y = (byte)(-y);
          this.z = (byte)(-z);
      }
  
      /** @hide
       * Vector dot Product
       *
       * @param a
       * @return
       */
      public byte dotProduct(Byte3 a) {
          return (byte)((byte)((byte)(x * a.x) + (byte)(y * a.y)) + (byte)(z * a.z));
      }
  
      /** @hide
       * Vector dot Product
       *
       * @param a
       * @param b
       * @return
       */
      public static byte dotProduct(Byte3 a, Byte3 b) {
          return (byte)((byte)((byte)(b.x * a.x) + (byte)(b.y * a.y)) + (byte)(b.z * a.z));
      }
  
      /** @hide
       * Vector add Multiple
       *
       * @param a
       * @param factor
       */
      public void addMultiple(Byte3 a, byte factor) {
          x += a.x * factor;
          y += a.y * factor;
          z += a.z * factor;
      }
  
      /** @hide
       * set vector value by Byte3
       *
       * @param a
       */
      public void set(Byte3 a) {
          this.x = a.x;
          this.y = a.y;
          this.z = a.z;
      }
  
      /** @hide
       * set the vector field value by Char
       *
       * @param a
       * @param b
       * @param c
       */
      public void setValues(byte a, byte b, byte c) {
          this.x = a;
          this.y = b;
          this.z = c;
      }
  
      /** @hide
       * return the element sum of vector
       *
       * @return
       */
      public byte elementSum() {
          return (byte)(x + y + z);
      }
  
      /** @hide
       * get the vector field value by index
       *
       * @param i
       * @return
       */
      public byte get(int i) {
          switch (i) {
          case 0:
              return x;
          case 1:
              return y;
          case 2:
              return z;
          default:
              throw new IndexOutOfBoundsException("Index: i");
          }
      }
  
      /** @hide
       * set the vector field value by index
       *
       * @param i
       * @param value
       */
      public void setAt(int i, byte value) {
          switch (i) {
          case 0:
              x = value;
              return;
          case 1:
              y = value;
              return;
          case 2:
              z = value;
              return;
          default:
              throw new IndexOutOfBoundsException("Index: i");
          }
      }
  
      /** @hide
       * add the vector field value by index
       *
       * @param i
       * @param value
       */
      public void addAt(int i, byte value) {
          switch (i) {
          case 0:
              x += value;
              return;
          case 1:
              y += value;
              return;
          case 2:
              z += value;
              return;
          default:
              throw new IndexOutOfBoundsException("Index: i");
          }
      }
  
      /** @hide
       * copy the vector to Char array
       *
       * @param data
       * @param offset
       */
      public void copyTo(byte[] data, int offset) {
          data[offset] = x;
          data[offset + 1] = y;
          data[offset + 2] = z;
      }
  }
  
  
  
  
  