android.graphics

Class Matrix

java.lang.Object

android.graphics.Matrix

public class Matrix
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	Matrix.ScaleToFit

Field Summary

Fields

Modifier and Type	Field and Description
static int	MPERSP_0
static int	MPERSP_1
static int	MPERSP_2
static int	MSCALE_X
static int	MSCALE_Y
static int	MSKEW_X
static int	MSKEW_Y
static int	MTRANS_X
static int	MTRANS_Y

Constructor Summary

Constructors

Constructor and Description
Matrix()
Matrix(Matrix src)

Method Summary

Methods

Modifier and Type	Method and Description
boolean	equals(Object obj)
protected void	finalize()
void	getValues(float[] values)
boolean	invert(Matrix inverse)
boolean	isIdentity()
void	mapPoints(float[] pts)
void	mapPoints(float[] dst, float[] src)
void	mapPoints(float[] dst, int dstIndex, float[] src, int srcIndex, int pointCount)
float	mapRadius(float radius)
boolean	mapRect(RectF rect)
boolean	mapRect(RectF dst, RectF src)
void	mapVectors(float[] vecs)
void	mapVectors(float[] dst, float[] src)
void	mapVectors(float[] dst, int dstIndex, float[] src, int srcIndex, int vectorCount)
boolean	postConcat(Matrix other)
boolean	postRotate(float degrees)
boolean	postRotate(float degrees, float px, float py)
boolean	postScale(float sx, float sy)
boolean	postScale(float sx, float sy, float px, float py)
boolean	postSkew(float kx, float ky)
boolean	postSkew(float kx, float ky, float px, float py)
boolean	postTranslate(float dx, float dy)
boolean	preConcat(Matrix other)
boolean	preRotate(float degrees)
boolean	preRotate(float degrees, float px, float py)
boolean	preScale(float sx, float sy)
boolean	preScale(float sx, float sy, float px, float py)
boolean	preSkew(float kx, float ky)
boolean	preSkew(float kx, float ky, float px, float py)
boolean	preTranslate(float dx, float dy)
boolean	rectStaysRect()
void	reset()
void	set(Matrix src)
boolean	setConcat(Matrix a, Matrix b)
boolean	setPolyToPoly(float[] src, int srcIndex, float[] dst, int dstIndex, int pointCount)
boolean	setRectToRect(RectF src, RectF dst, Matrix.ScaleToFit stf)
void	setRotate(float degrees)
void	setRotate(float degrees, float px, float py)
void	setScale(float sx, float sy)
void	setScale(float sx, float sy, float px, float py)
void	setSinCos(float sinValue, float cosValue)
void	setSinCos(float sinValue, float cosValue, float px, float py)
void	setSkew(float kx, float ky)
void	setSkew(float kx, float ky, float px, float py)
void	setTranslate(float dx, float dy)
void	setValues(float[] values)
String	toShortString()
String	toString()

Methods inherited from class java.lang.Object

clone, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

MSCALE_X

public static final int MSCALE_X

See Also:

Constant Field Values

MSKEW_X

public static final int MSKEW_X

See Also:

Constant Field Values

MTRANS_X

public static final int MTRANS_X

See Also:

Constant Field Values

MSKEW_Y

public static final int MSKEW_Y

See Also:

Constant Field Values

MSCALE_Y

public static final int MSCALE_Y

See Also:

Constant Field Values

MTRANS_Y

public static final int MTRANS_Y

See Also:

Constant Field Values

MPERSP_0

public static final int MPERSP_0

See Also:

Constant Field Values

MPERSP_1

public static final int MPERSP_1

See Also:

Constant Field Values

MPERSP_2

public static final int MPERSP_2

See Also:

Constant Field Values

Constructor Detail

Matrix

public Matrix()

Matrix

public Matrix(Matrix src)

Method Detail

isIdentity

public boolean isIdentity()

rectStaysRect

public boolean rectStaysRect()

set

public void set(Matrix src)

equals

public boolean equals(Object obj)

Overrides:

equals in class Object

reset

public void reset()

setTranslate

public void setTranslate(float dx,
                float dy)

setScale

public void setScale(float sx,
            float sy,
            float px,
            float py)

setScale

public void setScale(float sx,
            float sy)

setRotate

public void setRotate(float degrees,
             float px,
             float py)

setRotate

public void setRotate(float degrees)

setSinCos

public void setSinCos(float sinValue,
             float cosValue,
             float px,
             float py)

setSinCos

public void setSinCos(float sinValue,
             float cosValue)

setSkew

public void setSkew(float kx,
           float ky,
           float px,
           float py)

setSkew

public void setSkew(float kx,
           float ky)

setConcat

public boolean setConcat(Matrix a,
                Matrix b)

preTranslate

public boolean preTranslate(float dx,
                   float dy)

preScale

public boolean preScale(float sx,
               float sy,
               float px,
               float py)

preScale

public boolean preScale(float sx,
               float sy)

preRotate

public boolean preRotate(float degrees,
                float px,
                float py)

preRotate

public boolean preRotate(float degrees)

preSkew

public boolean preSkew(float kx,
              float ky,
              float px,
              float py)

preSkew

public boolean preSkew(float kx,
              float ky)

preConcat

public boolean preConcat(Matrix other)

postTranslate

public boolean postTranslate(float dx,
                    float dy)

postScale

public boolean postScale(float sx,
                float sy,
                float px,
                float py)

postScale

public boolean postScale(float sx,
                float sy)

postRotate

public boolean postRotate(float degrees,
                 float px,
                 float py)

postRotate

public boolean postRotate(float degrees)

postSkew

public boolean postSkew(float kx,
               float ky,
               float px,
               float py)

postSkew

public boolean postSkew(float kx,
               float ky)

postConcat

public boolean postConcat(Matrix other)

setRectToRect

public boolean setRectToRect(RectF src,
                    RectF dst,
                    Matrix.ScaleToFit stf)

setPolyToPoly

public boolean setPolyToPoly(float[] src,
                    int srcIndex,
                    float[] dst,
                    int dstIndex,
                    int pointCount)

invert

public boolean invert(Matrix inverse)

mapPoints

public void mapPoints(float[] dst,
             int dstIndex,
             float[] src,
             int srcIndex,
             int pointCount)

mapVectors

public void mapVectors(float[] dst,
              int dstIndex,
              float[] src,
              int srcIndex,
              int vectorCount)

mapPoints

public void mapPoints(float[] dst,
             float[] src)

mapVectors

public void mapVectors(float[] dst,
              float[] src)

mapPoints

public void mapPoints(float[] pts)

mapVectors

public void mapVectors(float[] vecs)

mapRect

public boolean mapRect(RectF dst,
              RectF src)

mapRect

public boolean mapRect(RectF rect)

mapRadius

public float mapRadius(float radius)

getValues

public void getValues(float[] values)

setValues

public void setValues(float[] values)

toString

public String toString()

Overrides:

toString in class Object

toShortString

public String toShortString()

finalize

protected void finalize()
                 throws Throwable

Overrides:

finalize in class Object

Throws:

Throwable