392 lines
7.1 KiB
Java
392 lines
7.1 KiB
Java
/*
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* Copyright (C) 2009 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.renderscript;
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/**
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* Class for exposing the native RenderScript byte2 type back to the Android system.
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*
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**/
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public class Byte2 {
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public byte x;
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public byte y;
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public Byte2() {
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}
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public Byte2(byte initX, byte initY) {
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x = initX;
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y = initY;
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}
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/** @hide */
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public Byte2(Byte2 source) {
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this.x = source.x;
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this.y = source.y;
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}
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/** @hide
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* Vector add
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*
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* @param a
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*/
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public void add(Byte2 a) {
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this.x += a.x;
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this.y += a.y;
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}
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/** @hide
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* Vector add
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*
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* @param a
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* @param b
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* @return
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*/
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public static Byte2 add(Byte2 a, Byte2 b) {
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Byte2 result = new Byte2();
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result.x = (byte)(a.x + b.x);
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result.y = (byte)(a.y + b.y);
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return result;
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}
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/** @hide
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* Vector add
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*
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* @param value
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*/
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public void add(byte value) {
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x += value;
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y += value;
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}
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/** @hide
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* Vector add
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*
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* @param a
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* @param b
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* @return
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*/
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public static Byte2 add(Byte2 a, byte b) {
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Byte2 result = new Byte2();
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result.x = (byte)(a.x + b);
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result.y = (byte)(a.y + b);
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return result;
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}
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/** @hide
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* Vector subtraction
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*
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* @param a
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*/
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public void sub(Byte2 a) {
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this.x -= a.x;
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this.y -= a.y;
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}
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/** @hide
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* Vector subtraction
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*
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* @param a
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* @param b
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* @return
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*/
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public static Byte2 sub(Byte2 a, Byte2 b) {
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Byte2 result = new Byte2();
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result.x = (byte)(a.x - b.x);
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result.y = (byte)(a.y - b.y);
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return result;
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}
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/** @hide
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* Vector subtraction
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*
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* @param value
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*/
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public void sub(byte value) {
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x -= value;
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y -= value;
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}
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/** @hide
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* Vector subtraction
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*
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* @param a
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* @param b
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* @return
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*/
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public static Byte2 sub(Byte2 a, byte b) {
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Byte2 result = new Byte2();
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result.x = (byte)(a.x - b);
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result.y = (byte)(a.y - b);
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return result;
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}
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/** @hide
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* Vector multiplication
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*
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* @param a
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*/
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public void mul(Byte2 a) {
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this.x *= a.x;
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this.y *= a.y;
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}
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/** @hide
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* Vector multiplication
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*
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* @param a
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* @param b
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* @return
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*/
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public static Byte2 mul(Byte2 a, Byte2 b) {
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Byte2 result = new Byte2();
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result.x = (byte)(a.x * b.x);
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result.y = (byte)(a.y * b.y);
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return result;
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}
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/** @hide
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* Vector multiplication
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*
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* @param value
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*/
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public void mul(byte value) {
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x *= value;
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y *= value;
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}
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/** @hide
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* Vector multiplication
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*
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* @param a
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* @param b
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* @return
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*/
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public static Byte2 mul(Byte2 a, byte b) {
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Byte2 result = new Byte2();
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result.x = (byte)(a.x * b);
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result.y = (byte)(a.y * b);
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return result;
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}
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/** @hide
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* Vector division
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*
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* @param a
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*/
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public void div(Byte2 a) {
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this.x /= a.x;
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this.y /= a.y;
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}
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/** @hide
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* Vector division
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*
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* @param a
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* @param b
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* @return
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*/
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public static Byte2 div(Byte2 a, Byte2 b) {
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Byte2 result = new Byte2();
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result.x = (byte)(a.x / b.x);
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result.y = (byte)(a.y / b.y);
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return result;
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}
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/** @hide
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* Vector division
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*
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* @param value
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*/
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public void div(byte value) {
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x /= value;
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y /= value;
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}
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/** @hide
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* Vector division
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*
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* @param a
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* @param b
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* @return
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*/
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public static Byte2 div(Byte2 a, byte b) {
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Byte2 result = new Byte2();
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result.x = (byte)(a.x / b);
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result.y = (byte)(a.y / b);
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return result;
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}
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/** @hide
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* get vector length
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*
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* @return
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*/
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public byte length() {
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return 2;
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}
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/** @hide
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* set vector negate
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*/
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public void negate() {
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this.x = (byte)(-x);
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this.y = (byte)(-y);
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}
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/** @hide
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* Vector dot Product
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*
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* @param a
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* @return
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*/
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public byte dotProduct(Byte2 a) {
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return (byte)((x * a.x) + (y * a.y));
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}
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/** @hide
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* Vector dot Product
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*
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* @param a
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* @param b
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* @return
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*/
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public static byte dotProduct(Byte2 a, Byte2 b) {
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return (byte)((b.x * a.x) + (b.y * a.y));
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}
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/** @hide
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* Vector add Multiple
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*
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* @param a
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* @param factor
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*/
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public void addMultiple(Byte2 a, byte factor) {
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x += a.x * factor;
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y += a.y * factor;
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}
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/** @hide
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* set vector value by Byte2
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*
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* @param a
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*/
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public void set(Byte2 a) {
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this.x = a.x;
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this.y = a.y;
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}
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/** @hide
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* set the vector field value by Char
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*
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* @param a
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* @param b
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*/
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public void setValues(byte a, byte b) {
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this.x = a;
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this.y = b;
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}
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/** @hide
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* return the element sum of vector
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*
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* @return
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*/
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public byte elementSum() {
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return (byte)(x + y);
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}
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/** @hide
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* get the vector field value by index
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*
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* @param i
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* @return
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*/
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public byte get(int i) {
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switch (i) {
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case 0:
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return x;
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case 1:
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return y;
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default:
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throw new IndexOutOfBoundsException("Index: i");
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}
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}
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/** @hide
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* set the vector field value by index
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*
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* @param i
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* @param value
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*/
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public void setAt(int i, byte value) {
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switch (i) {
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case 0:
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x = value;
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return;
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case 1:
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y = value;
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return;
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default:
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throw new IndexOutOfBoundsException("Index: i");
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}
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}
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/** @hide
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* add the vector field value by index
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*
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* @param i
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* @param value
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*/
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public void addAt(int i, byte value) {
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switch (i) {
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case 0:
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x += value;
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return;
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case 1:
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y += value;
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return;
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default:
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throw new IndexOutOfBoundsException("Index: i");
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}
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}
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/** @hide
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* copy the vector to Char array
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*
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* @param data
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* @param offset
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*/
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public void copyTo(byte[] data, int offset) {
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data[offset] = x;
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data[offset + 1] = y;
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}
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}
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