/*
* 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;
}
}
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