org.skia.jetski.Matrix Class Reference

Public Member Functions
	Matrix ()
	Matrix (float m0, float m4, float m8, float m12, float m1, float m5, float m9, float m13, float m2, float m6, float m10, float m14, float m3, float m7, float m11, float m15)
float	getAtRowCol (int r, int c)
float[]	getRowMajor ()
Matrix	preConcat (Matrix b)
Matrix	translate (float x, float y, float z)
Matrix	translate (float x, float y)
Matrix	scale (float x, float y, float z)
Matrix	scale (float x, float y)
Matrix	rotateX (float rad)
Matrix	rotateY (float rad)
Matrix	rotateZ (float rad)
Matrix	rotate (float x, float y, float z, float rad)
void	release ()

Static Public Member Functions
static Matrix	makeLookAt (float eyeX, float eyeY, float eyeZ, float coaX, float coaY, float coaZ, float upX, float upY, float upZ)
static Matrix	makePerspective (float near, float far, float angle)
static Matrix	makeInverse (Matrix m) throws RuntimeException
static Matrix	makeTranspose (Matrix m)
static Matrix	makeConcat (Matrix a, Matrix b)

Protected Member Functions
void	finalize () throws Throwable

Package Functions
	Matrix (long nativeInstance)
long	getNativeInstance ()

Detailed Description

Definition at line 13 of file Matrix.java.

Constructor & Destructor Documentation

Matrix() [1/3]

org.skia.jetski.Matrix.Matrix ( )

inline

Definition at line 19 of file Matrix.java.

                    {
        mNativeInstance = nCreate(1, 0, 0, 0,
                                  0, 1, 0, 0,
                                  0, 0, 1, 0,
                                  0, 0, 0, 1);
    }

Matrix() [2/3]

org.skia.jetski.Matrix.Matrix ( float  m0, float  m4, float  m8, float  m12, float  m1, float  m5, float  m9, float  m13, float  m2, float  m6, float  m10, float  m14, float  m3, float  m7, float  m11, float  m15  )

inline

Definition at line 29 of file Matrix.java.

                                                            {
        mNativeInstance = nCreate(m0, m4, m8,  m12,
                                  m1, m5, m9,  m13,
                                  m2, m6, m10, m14,
                                  m3, m7, m11, m15);
    }

Matrix() [3/3]

org.skia.jetski.Matrix.Matrix ( long  nativeInstance )

inlinepackage

Definition at line 39 of file Matrix.java.

                                {
        mNativeInstance = nativeInstance;
    }

Member Function Documentation

finalize()

void org.skia.jetski.Matrix.finalize ( ) throws Throwable

inlineprotected

Definition at line 185 of file Matrix.java.

                                               {
        release();
    }

getAtRowCol()

float org.skia.jetski.Matrix.getAtRowCol ( int  r, int  c  )

inline

Definition at line 85 of file Matrix.java.

                                           {
        float[] a = this.getRowMajor();
        return a[r*4 + c];
    }

getNativeInstance()

long org.skia.jetski.Matrix.getNativeInstance ( )

inlinepackage

Definition at line 190 of file Matrix.java.

{ return mNativeInstance; }

getRowMajor()

float[] org.skia.jetski.Matrix.getRowMajor ( )

inline

Definition at line 90 of file Matrix.java.

                                 {
        float[] vals = nGetRowMajor(this.mNativeInstance);
        if (vals == null) {
            throw new RuntimeException("Cannot make native float array, out of memory");
        }
        return nGetRowMajor(this.mNativeInstance);
    }

makeConcat()

static Matrix org.skia.jetski.Matrix.makeConcat ( Matrix  a, Matrix  b  )

inlinestatic

Definition at line 74 of file Matrix.java.

                                                        {
        long nativeA = a.mNativeInstance;
        long nativeB = b.mNativeInstance;
        long nativeC = nConcat(nativeA, nativeB);
        return new Matrix(nativeC);
    }

makeInverse()

static Matrix org.skia.jetski.Matrix.makeInverse ( Matrix  m ) throws RuntimeException

inlinestatic

Definition at line 55 of file Matrix.java.

                                                                       {
        long nativeMatrix = nInverse(m.getNativeInstance());
        if (nativeMatrix == 0){
            // extend generic exception?
            throw new RuntimeException("Matrix m was not an invertible Matrix");
        }
        return new Matrix(nativeMatrix);
    }

makeLookAt()

static Matrix org.skia.jetski.Matrix.makeLookAt ( float  eyeX, float  eyeY, float  eyeZ, float  coaX, float  coaY, float  coaZ, float  upX, float  upY, float  upZ  )

inlinestatic

Definition at line 43 of file Matrix.java.

                                                                 {
        return new Matrix(nCreateLookAt(eyeX, eyeY, eyeZ,
                                        coaX, coaY, coaZ,
                                        upX, upY, upZ));
    }

makePerspective()

static Matrix org.skia.jetski.Matrix.makePerspective ( float  near, float  far, float  angle  )

inlinestatic

Definition at line 51 of file Matrix.java.

                                                                             {
        return new Matrix(nCreatePerspective(near, far, angle));
    }

makeTranspose()

static Matrix org.skia.jetski.Matrix.makeTranspose ( Matrix  m )

inlinestatic

Definition at line 64 of file Matrix.java.

                                                 {
        long nativeTranspose = nTranspose(m.getNativeInstance());
        return new Matrix(nativeTranspose);
    }

preConcat()

Matrix org.skia.jetski.Matrix.preConcat ( Matrix  b )

inline

Definition at line 103 of file Matrix.java.

                                      {
        long nativeA = this.mNativeInstance;
        long nativeB = b.mNativeInstance;
        nPreConcat(nativeA, nativeB);
        return this;
    }

release()

void org.skia.jetski.Matrix.release ( )

inline

Releases any resources associated with this Matrix.

Definition at line 179 of file Matrix.java.

                          {
        nRelease(mNativeInstance);
        mNativeInstance = 0;
    }

rotate()

Matrix org.skia.jetski.Matrix.rotate ( float  x, float  y, float  z, float  rad  )

inline

Definition at line 171 of file Matrix.java.

                                                               {
        nRotate(this.mNativeInstance, x, y, z, rad);
        return this;
    }

rotateX()

Matrix org.skia.jetski.Matrix.rotateX ( float  rad )

inline

Definition at line 141 of file Matrix.java.

                                     {
        nRotate(this.mNativeInstance, 1, 0, 0, rad);
        return this;
    }

rotateY()

Matrix org.skia.jetski.Matrix.rotateY ( float  rad )

inline

Definition at line 151 of file Matrix.java.

                                     {
        nRotate(this.mNativeInstance, 0, 1, 0, rad);
        return this;
    }

rotateZ()

Matrix org.skia.jetski.Matrix.rotateZ ( float  rad )

inline

Definition at line 161 of file Matrix.java.

                                     {
        nRotate(this.mNativeInstance, 0, 0, 1, rad);
        return this;
    }

scale() [1/2]

Matrix org.skia.jetski.Matrix.scale ( float  x, float  y  )

inline

Definition at line 132 of file Matrix.java.

                                          {
        return scale(x, y, 1);
    }

scale() [2/2]

Matrix org.skia.jetski.Matrix.scale ( float  x, float  y, float  z  )

inline

Definition at line 128 of file Matrix.java.

                                                   {
        nScale(this.mNativeInstance, x, y, z);
        return this;
    }

translate() [1/2]

Matrix org.skia.jetski.Matrix.translate ( float  x, float  y  )

inline

Definition at line 119 of file Matrix.java.

                                              {
        return translate(x, y, 0);
    }

translate() [2/2]

Matrix org.skia.jetski.Matrix.translate ( float  x, float  y, float  z  )

inline

Definition at line 115 of file Matrix.java.

                                                       {
        nTranslate(this.mNativeInstance, x, y, z);
        return this;
    }

---

The documentation for this class was generated from the following file:

• third_party/skia/platform_tools/android/apps/jetski/src/main/java/org/skia/jetski/Matrix.java