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Class quicktime.qd.QDPoint

java.lang.Object
   |
   +----quicktime.qd.QDPoint

public final class QDPoint

extends Object

implements PrimitivesLib, Cloneable

kIsFixedPoint

These constants are used in the fromArray call to indicate which of the 2 formats the byte array is encoded in.

kIsGXPoint

These constants are used in the fromArray call to indicate which of the 2 formats the byte array is encoded in.

kIsQ3Point2D

These constants are used in the fromArray call to indicate which of the 2 formats the byte array is encoded in.

kIsQTVRFloatPoint

These constants are used in the fromArray call to indicate which of the 2 formats the byte array is encoded in.

QDPoint(float, float)

Create a QDPoint at specified location

QDPoint(int, int)

Create a QDPoint at specified location

QDPoint(Point)

Create a QDPoint at specified location

clone()

Return a copy of the QDPoint

copy()

Returns a copy of the QDPoint with the correct return type.

equals(Object)

Checks whether two int points are equal.

fromArray(byte[], int)

Creates a QDPoint from an array of bytes that represent a FixedPoint, so the byte array must be 8bytes long at least.

fromArray(byte[], int, int)

Creates a QDPoint from an array of bytes that represent a FixedPoint, so the byte array must be 8bytes long at least.

getEndianDescriptorFixedPoint()

Returns the EndianDescriptor for FixedPoint point.

getEndianDescriptorQTVRFloatPoint()

Returns the EndianDescriptor for TQ3Point2D point.

getEndianDescriptorTQ3Point2D()

Returns the EndianDescriptor for TQ3Point2D point.

getFixedPoint()

Returns a byte array that contains the packed value of a FixedPoint

getGXPoint()

Returns a byte array that contains the packed value of a GXPoint

getPoint()

Returns the QDPoint packed into a 32bit integer

getQ3Point2D()

Returns a byte array that contains the packed value of a 3Point2D

getQTVRFloatPoint()

Returns a byte array that contains the packed value of a QTVRFloatPoint

getX()

Get the x location of the point.

getXF()

Get the x location of the point.

getY()

Get the y location of the point.

getYF()

Get the y location of the point.

move(float, float)

Moves the point, to coordinates x, y.

move(int, int)

Moves the point, to coordinates x, y.

setX(float)

Set the x location of the point.

setX(int)

Set the x location of the point.

setY(float)

Set the y location of the point.

setY(int)

Set the y location of the point.

toPoint()

Convert to java.awt.Point

toString()

Returns the String representation of this QDPoint's coordinate.

translate(float, float)

Translates the point, by deltaX and deltaY.

translate(int, int)

Translates the point, by deltaX and deltaY.

 public static final int kIsFixedPoint

These constants are used in the fromArray call to indicate which of the 2 formats the byte array is encoded in.

 public static final int kIsGXPoint

These constants are used in the fromArray call to indicate which of the 2 formats the byte array is encoded in.

 public static final int kIsQ3Point2D

These constants are used in the fromArray call to indicate which of the 2 formats the byte array is encoded in.

 public static final int kIsQTVRFloatPoint

These constants are used in the fromArray call to indicate which of the 2 formats the byte array is encoded in.

 public QDPoint(int x,
                int y)

Create a QDPoint at specified location

Parameters:

x - x location

y - y location

 public QDPoint(float x,
                float y)

Create a QDPoint at specified location

Parameters:

x - x location

y - y location

 public QDPoint(Point origin)

Create a QDPoint at specified location

Parameters:

point - location of point

 public static final EndianDescriptor getEndianDescriptorFixedPoint()

Returns the EndianDescriptor for FixedPoint point.

Returns:

an EndianDescriptor

 public static final EndianDescriptor getEndianDescriptorTQ3Point2D()

Returns the EndianDescriptor for TQ3Point2D point.

Returns:

an EndianDescriptor

 public static final EndianDescriptor getEndianDescriptorQTVRFloatPoint()

Returns the EndianDescriptor for TQ3Point2D point.

Returns:

an EndianDescriptor

 public static QDPoint fromArray(byte ptBytes[],
                                 int ptType)

Creates a QDPoint from an array of bytes that represent a FixedPoint, so the byte array must be 8bytes long at least.

Parameters:

ptBytes - the byte array containing the packed point values

ptType - the type of point to be found in the array

Returns:

a QDPoint

Throws: IllegalArgumentException

if mismatch between minimum length of byte array and format flag

 public static QDPoint fromArray(byte ptBytes[],
                                 int ptType,
                                 int offset)

Creates a QDPoint from an array of bytes that represent a FixedPoint, so the byte array must be 8bytes long at least.

Parameters:

ptBytes - the byte array containing the packed point values

ptType - the type of point to be found in the array

offset - the offset in the array where the point is to be found

Returns:

a QDPoint

Throws: IllegalArgumentException

if mismatch between minimum length of byte array and format flag

 public int getPoint()

Returns the QDPoint packed into a 32bit integer

 public byte[] getGXPoint()

Returns a byte array that contains the packed value of a GXPoint

 public byte[] getFixedPoint()

Returns a byte array that contains the packed value of a FixedPoint

 public byte[] getQ3Point2D()

Returns a byte array that contains the packed value of a 3Point2D

 public byte[] getQTVRFloatPoint()

Returns a byte array that contains the packed value of a QTVRFloatPoint

 public int getX()

Get the x location of the point.

Returns:

the current x location

 public float getXF()

Get the x location of the point.

Returns:

the current x location

 public void setX(int x)

Set the x location of the point.

Parameters:

x - the new x location

 public void setX(float x)

Set the x location of the point.

Parameters:

x - the new x location

 public int getY()

Get the y location of the point.

Returns:

the current y location

 public float getYF()

Get the y location of the point.

Returns:

the current y location

 public void setY(int y)

Set the y location of the point.

Parameters:

y - the new y location

 public void setY(float y)

Set the y location of the point.

Parameters:

y - the new y location

 public void translate(int deltaX,
                       int deltaY)

Translates the point, by deltaX and deltaY.

 public void translate(float deltaX,
                       float deltaY)

Translates the point, by deltaX and deltaY.

 public void move(int x,
                  int y)

Moves the point, to coordinates x, y.

 public void move(float x,
                  float y)

Moves the point, to coordinates x, y.

 public boolean equals(Object obj)

Checks whether two int points are equal.

Overrides:

equals in class Object

 public String toString()

Returns the String representation of this QDPoint's coordinate.

Overrides:

toString in class Object

 public Point toPoint()

Convert to java.awt.Point

 public Object clone()

Return a copy of the QDPoint

Returns:

a QDPoint

Overrides:

clone in class Object

 public QDPoint copy()

Returns a copy of the QDPoint with the correct return type.

Returns:

a QDPoint

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