diff options
Diffstat (limited to 'graphics/java/android/renderscript/Double2.java')
| -rw-r--r-- | graphics/java/android/renderscript/Double2.java | 369 |
1 files changed, 357 insertions, 12 deletions
diff --git a/graphics/java/android/renderscript/Double2.java b/graphics/java/android/renderscript/Double2.java index 6e1afe6..4c7319d 100644 --- a/graphics/java/android/renderscript/Double2.java +++ b/graphics/java/android/renderscript/Double2.java @@ -1,5 +1,5 @@ /* - * Copyright (C) 2011 The Android Open Source Project + * Copyright (C) 2013 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. @@ -16,25 +16,370 @@ package android.renderscript; - /** - * Class for exposing the native RenderScript double2 type back - * to the Android system. - * - **/ + * Vector version of the basic double type. + * Provides two double fields packed. + */ public class Double2 { + public double x; + public double y; + public Double2() { } - public Double2(double initX, double initY) { - x = initX; - y = initY; + /** @hide */ + public Double2(Double2 data) { + this.x = data.x; + this.y = data.y; } - public double x; - public double y; -} + public Double2(double x, double y) { + this.x = x; + this.y = y; + } + + /** @hide + * Vector add + * + * @param a + * @param b + * @return + */ + public static Double2 add(Double2 a, Double2 b) { + Double2 res = new Double2(); + res.x = a.x + b.x; + res.y = a.y + b.y; + + return res; + } + + /** @hide + * Vector add + * + * @param value + */ + public void add(Double2 value) { + x += value.x; + y += value.y; + } + + /** @hide + * Vector add + * + * @param value + */ + public void add(double value) { + x += value; + y += value; + } + + /** @hide + * Vector add + * + * @param a + * @param b + * @return + */ + public static Double2 add(Double2 a, double b) { + Double2 res = new Double2(); + res.x = a.x + b; + res.y = a.y + b; + return res; + } + + /** @hide + * Vector subtraction + * + * @param value + */ + public void sub(Double2 value) { + x -= value.x; + y -= value.y; + } + + /** @hide + * Vector subtraction + * + * @param a + * @param b + * @return + */ + public static Double2 sub(Double2 a, Double2 b) { + Double2 res = new Double2(); + res.x = a.x - b.x; + res.y = a.y - b.y; + + return res; + } + + /** @hide + * Vector subtraction + * + * @param value + */ + public void sub(double value) { + x -= value; + y -= value; + } + + /** @hide + * Vector subtraction + * + * @param a + * @param b + * @return + */ + public static Double2 sub(Double2 a, double b) { + Double2 res = new Double2(); + res.x = a.x - b; + res.y = a.y - b; + return res; + } + + /** @hide + * Vector multiplication + * + * @param value + */ + public void mul(Double2 value) { + x *= value.x; + y *= value.y; + } + /** @hide + * Vector multiplication + * + * @param a + * @param b + * @return + */ + public static Double2 mul(Double2 a, Double2 b) { + Double2 res = new Double2(); + res.x = a.x * b.x; + res.y = a.y * b.y; + + return res; + } + /** @hide + * Vector multiplication + * + * @param value + */ + public void mul(double value) { + x *= value; + y *= value; + } + + /** @hide + * Vector multiplication + * + * @param a + * @param b + * @return + */ + public static Double2 mul(Double2 a, double b) { + Double2 res = new Double2(); + res.x = a.x * b; + res.y = a.y * b; + + return res; + } + + /** @hide + * Vector division + * + * @param value + */ + public void div(Double2 value) { + x /= value.x; + y /= value.y; + } + + /** @hide + * Vector division + * + * @param a + * @param b + * @return + */ + public static Double2 div(Double2 a, Double2 b) { + Double2 res = new Double2(); + res.x = a.x / b.x; + res.y = a.y / b.y; + + return res; + } + + /** @hide + * Vector division + * + * @param value + */ + public void div(double value) { + x /= value; + y /= value; + } + + /** @hide + * Vector division + * + * @param a + * @param b + * @return + */ + public static Double2 div(Double2 a, double b) { + Double2 res = new Double2(); + res.x = a.x / b; + res.y = a.y / b; + + return res; + } + + /** @hide + * Vector dot Product + * + * @param a + * @return + */ + public double dotProduct(Double2 a) { + return (x * a.x) + (y * a.y); + } + + /** @hide + * Vector dot Product + * + * @param a + * @param b + * @return + */ + public static Double dotProduct(Double2 a, Double2 b) { + return (b.x * a.x) + (b.y * a.y); + } + + /** @hide + * Vector add Multiple + * + * @param a + * @param factor + */ + public void addMultiple(Double2 a, double factor) { + x += a.x * factor; + y += a.y * factor; + } + + /** @hide + * Set vector value by double2 + * + * @param a + */ + public void set(Double2 a) { + this.x = a.x; + this.y = a.y; + } + + /** @hide + * Set vector negate + */ + public void negate() { + x = -x; + y = -y; + } + + /** @hide + * Get vector length + * + * @return + */ + public int length() { + return 2; + } + + /** @hide + * Return the element sum of vector + * + * @return + */ + public double elementSum() { + return x + y; + } + + /** @hide + * Get the vector field value by index + * + * @param i + * @return + */ + public double get(int i) { + switch (i) { + case 0: + return x; + case 1: + return y; + default: + throw new IndexOutOfBoundsException("Index: i"); + } + } + + /** @hide + * Set the vector field value by index + * + * @param i + * @param value + */ + public void setAt(int i, double value) { + switch (i) { + case 0: + x = value; + return; + case 1: + y = 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, double value) { + switch (i) { + case 0: + x += value; + return; + case 1: + y += value; + return; + default: + throw new IndexOutOfBoundsException("Index: i"); + } + } + + /** @hide + * Set the vector field value + * + * @param x + * @param y + */ + public void setValues(double x, double y) { + this.x = x; + this.y = y; + } + + /** @hide + * Copy the vector to double array + * + * @param data + * @param offset + */ + public void copyTo(double[] data, int offset) { + data[offset] = x; + data[offset + 1] = y; + } +} |