jpview

Class Utils

java.lang.Object

jpview.Utils

public class Utils
extends java.lang.Object

Author:

Default

Constructor Summary

Constructors

Constructor and Description
Utils()

Method Summary

Methods

Modifier and Type	Method and Description
static java.lang.String	asString(double[] a) As string.
static java.lang.String	asString(float[] a) As string.
static java.lang.String	asString(int[] a) As string.
static java.awt.image.BufferedImage	blurImageSimple(java.awt.image.BufferedImage image, int kSize) Blur image simple.
static int	clamp(int i) clamp to 8-bit int
static java.awt.image.BufferedImage	createBufferedImage(int[] pixels, int scanline) Creates the buffered image.
static java.awt.image.BufferedImage	createBufferedImage(Vec3f[] pixels, int scanline) Creates the buffered image.
static double	dot3(double[] a, double[] b) Dot3.
static float	dot3(float[] a, float[] b) Dot3.
static java.awt.image.BufferedImage	gaussianBlur(java.awt.image.BufferedImage image, int kSize, float sigma) Gaussian blur.
static int[]	grabPixels(java.awt.image.BufferedImage image) Grab pixels.
static int	indexOfMax(double[] a) Index of max.
static Vec3f[]	intToVec(int[] a) Int to vec.
static void	main(java.lang.String[] args) The main method.
static float[]	normalize(float x, float y, float z) Normalize.
static double[]	normalize3(double[] a) Normalize3.
static float[]	normalize3(float[] a) Normalize3.
static java.awt.image.BufferedImage	readUnbuffered(java.io.InputStream is) Read unbuffered.
static double[]	reflect(double[] normal, double[] incedent) Reflect.
static float[]	reflect(float[] normal, float[] incedent) Reflect.
static double[]	scalarMult3(double[] a, double s) Scalar mult3.
static float[]	scalarMult3(float[] a, float s) Scalar mult3.
static float	translate(int i, int maxVal) Translate.
static int	unsignedByteToInt(byte b) Unsigned byte to int.
static double[]	vecSum3(double[] a, double[] b) Vec sum3.
static float[]	vecSum3(float[] a, float[] b) Vec sum3.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Utils

public Utils()

Method Detail

asString

public static java.lang.String asString(double[] a)

As string.

Parameters:

a - the a

Returns:

the string

asString

public static java.lang.String asString(float[] a)

As string.

Parameters:

a - the a

Returns:

the string

asString

public static java.lang.String asString(int[] a)

As string.

Parameters:

a - the a

Returns:

the string

blurImageSimple

public static java.awt.image.BufferedImage blurImageSimple(java.awt.image.BufferedImage image,
                                           int kSize)

Blur image simple.

Parameters:

image - the image

kSize - the k size

Returns:

the buffered image

clamp

public static int clamp(int i)

clamp to 8-bit int

createBufferedImage

public static java.awt.image.BufferedImage createBufferedImage(int[] pixels,
                                               int scanline)

Creates the buffered image.

Parameters:

pixels - the pixels

scanline - the scanline

Returns:

the buffered image

createBufferedImage

public static java.awt.image.BufferedImage createBufferedImage(Vec3f[] pixels,
                                               int scanline)

Creates the buffered image.

Parameters:

pixels - the pixels

scanline - the scanline

Returns:

the buffered image

dot3

public static double dot3(double[] a,
          double[] b)

Dot3.

Parameters:

a - the a

b - the b

Returns:

the double

dot3

public static float dot3(float[] a,
         float[] b)

Dot3.

Parameters:

a - the a

b - the b

Returns:

the float

gaussianBlur

public static java.awt.image.BufferedImage gaussianBlur(java.awt.image.BufferedImage image,
                                        int kSize,
                                        float sigma)

Gaussian blur.

Parameters:

image - the image

kSize - the k size

sigma - the sigma

Returns:

the buffered image

grabPixels

public static int[] grabPixels(java.awt.image.BufferedImage image)

Grab pixels.

Parameters:

image - the image

Returns:

the int[]

indexOfMax

public static int indexOfMax(double[] a)

Index of max.

Parameters:

a - the a

Returns:

the int

intToVec

public static Vec3f[] intToVec(int[] a)

Int to vec.

Parameters:

a - the a

Returns:

the vec3f[]

main

public static void main(java.lang.String[] args)

The main method.

Parameters:

args - the arguments

normalize

public static float[] normalize(float x,
                float y,
                float z)

Normalize.

Parameters:

x - the x

y - the y

z - the z

Returns:

the float[]

normalize3

public static double[] normalize3(double[] a)

Normalize3.

Parameters:

a - the a

Returns:

the double[]

normalize3

public static float[] normalize3(float[] a)

Normalize3.

Parameters:

a - the a

Returns:

the float[]

readUnbuffered

public static java.awt.image.BufferedImage readUnbuffered(java.io.InputStream is)
                                                   throws java.io.IOException

Read unbuffered.

Parameters:

is - the is

Returns:

the buffered image

Throws:

java.io.IOException - Signals that an I/O exception has occurred.

reflect

public static double[] reflect(double[] normal,
               double[] incedent)

Reflect.

Parameters:

normal - the normal

incedent - the incedent

Returns:

the double[]

reflect

public static float[] reflect(float[] normal,
              float[] incedent)

Reflect.

Parameters:

normal - the normal

incedent - the incedent

Returns:

the float[]

scalarMult3

public static double[] scalarMult3(double[] a,
                   double s)

Scalar mult3.

Parameters:

a - the a

s - the s

Returns:

the double[]

scalarMult3

public static float[] scalarMult3(float[] a,
                  float s)

Scalar mult3.

Parameters:

a - the a

s - the s

Returns:

the float[]

translate

public static float translate(int i,
              int maxVal)

Translate.

Parameters:

i - the i

maxVal - the max val

Returns:

the float

unsignedByteToInt

public static int unsignedByteToInt(byte b)

Unsigned byte to int.

Parameters:

b - the b

Returns:

the int

vecSum3

public static double[] vecSum3(double[] a,
               double[] b)

Vec sum3.

Parameters:

a - the a

b - the b

Returns:

the double[]

vecSum3

public static float[] vecSum3(float[] a,
              float[] b)

Vec sum3.

Parameters:

a - the a

b - the b

Returns:

the float[]