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Class quicktime.qd.QDRect

java.lang.Object
   |
   +----quicktime.util.QTByteObject
           |
           +----quicktime.qd.QDRect

public final class QDRect

extends QTByteObject

implements PrimitivesLib, Cloneable

The width and height values are the number of pixels that will be seen - thus if x == 1 and width is 3, the pixels drawn will be pixels at 1, 2, 3.

kIsFixedRect

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

kIsRect

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

QDRect()

Constructs a new rectangle, with (0, 0) origin and 0 width and height

QDRect(Dimension)

Constructs a rectangle at (0, 0) and initializes it to the specified width and height.

QDRect(float, float)

Constructs a rectangle and initializes it with the specified width and height parameters.

QDRect(float, float, float, float)

Constructs and initializes a rectangle with the specified parameters.

QDRect(int, int)

Constructs a rectangle and initializes it with the specified width and height parameters.

QDRect(int, int, int, int)

Constructs and initializes a rectangle with the specified parameters.

QDRect(Point)

Constructs a rectangle of 0 width and height and specified origin.

QDRect(Point, Dimension)

Constructs a rectangle and initializes it to a specified point and dimension.

QDRect(Rectangle)

Constructs a QDRect from a java.awt.Rectangle.

add(float, float)

Adds a point to the QDRect.

add(int, int)

Adds a point to the QDRect.

add(Point)

Adds a point to the QDRect.

clone()

Return a copy of the QDRect

copy()

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

equals(Object)

Checks whether two QDRects are equal.

fromArray(byte[], int)

Creates a QDRect from an array of bytes.

getEndianDescriptorFixedRect()

Returns the EndianDescriptor for FixedRect Rect.

getEndianDescriptorRect()

Returns the EndianDescriptor for QDRect Rect.

getFixedRect()

Returns the bytes for the FixedRect

getHeight()

Get the height of the QDRect.

getHeightF()

Get the height of the QDRect.

getRect()

Returns the bytes for the QDRect

getWidth()

Get the width of the QDRect.

getWidthF()

Get the width of the QDRect.

getX()

Get the x location of the rect.

getXF()

Get the x location of the rect.

getY()

Get the y location of the rect.

getYF()

Get the y location of the rect.

grow(float, float)

Grows the QDRect horizontally and vertically.

grow(int, int)

Grows the QDRect horizontally and vertically.

hashCode()

Returns the hashcode for this Rectangle.

inside(float, float)

Checks if the specified point lies inside a QDRect.

inside(int, int)

Checks if the specified point lies inside a QDRect.

intersection(QDRect)

Computes the intersection of two QDRects, returning the largets rect that encompasses both rects.

intersects(QDRect)

Checks if two QDRects intersect.

isDifferentOrigin(QDRect)

Returns true if the QDRect argument has a different origin.

isDifferentSize(QDRect)

Returns true if the QDRect argument is a different size.

isEmpty()

Determines whether the QDRect is empty.

move(float, float)

Moves the QDRect to x, y.

move(int, int)

Moves the QDRect to x, y.

reshape(float, float, float, float)

Reshapes the QDRect to x, y, width and height.

reshape(int, int, int, int)

Reshapes the QDRect to x, y, width and height.

resize(float, float)

Resizes the QDRect.

resize(int, int)

Resizes the QDRect.

setHeight(float)

Set the height of the QDRect.

setHeight(int)

Set the height of the QDRect.

setWidth(float)

Set the width of the QDRect.

setWidth(int)

Set the width of the QDRect.

setX(float)

Set the x location of the rect.

setX(int)

Set the x location of the rect.

setY(float)

Set the y location of the rect.

setY(int)

Set the y location of the rect.

toRectangle()

Returns a java.awt.Rectangle corresponding to the current state.

toString()

Returns the String representation of this QDRect's values.

translate(float, float)

Translates the QDRect deltaX and deltaY.

translate(int, int)

Translates the QDRect deltaX and deltaY.

union(QDRect)

Computes the union of two QDRects, returning the smallest Rect that is the union of the two QDRects.

 public static final int kIsRect

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 kIsFixedRect

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

 public QDRect()

Constructs a new rectangle, with (0, 0) origin and 0 width and height

 public QDRect(int x,
               int y,
               int width,
               int height)

Constructs and initializes a rectangle with the specified parameters. Int values will be cast to shorts.

Parameters:

x - the x coordinate

y - the y coordinate

width - the width of the rectangle

height - the height of the rectangle

 public QDRect(float x,
               float y,
               float width,
               float height)

Constructs and initializes a rectangle with the specified parameters.

Parameters:

x - the x coordinate

y - the y coordinate

width - the width of the rectangle

height - the height of the rectangle

 public QDRect(int width,
               int height)

Constructs a rectangle and initializes it with the specified width and height parameters.

Parameters:

width - the width of the rectangle

height - the height of the rectangle

 public QDRect(float width,
               float height)

Constructs a rectangle and initializes it with the specified width and height parameters.

Parameters:

width - the width of the rectangle

height - the height of the rectangle

 public QDRect(Point origin,
               Dimension size)

Constructs a rectangle and initializes it to a specified point and dimension.

Parameters:

origin - the origin

size - the size of the rectangle

 public QDRect(Point origin)

Constructs a rectangle of 0 width and height and specified origin.

Parameters:

origin - the origin

 public QDRect(Dimension size)

Constructs a rectangle at (0, 0) and initializes it to the specified width and height.

Parameters:

size - the value of the width and height

 public QDRect(Rectangle rect)

Constructs a QDRect from a java.awt.Rectangle.

Parameters:

rect - the java.awt.Rectangle

 public static final EndianDescriptor getEndianDescriptorFixedRect()

Returns the EndianDescriptor for FixedRect Rect.

Returns:

an EndianDescriptor

 public static final EndianDescriptor getEndianDescriptorRect()

Returns the EndianDescriptor for QDRect Rect.

Returns:

an EndianDescriptor

 public static QDRect fromArray(byte rectBytes[],
                                int flag)

Creates a QDRect from an array of bytes. The minimum length of the array must equate to the requirements of the size of the native structure to store the result.

• kIsRect, length == 8, top, left, right, bottom of 2 bytes each
• kIsFixedRect, length == 16, left, top, right, bottom of 4 bytes each (fixed format 16.16)

Parameters:

rectBytes - the byte array containing the rect values

flag - flag that describes the format of the byte array

Returns:

a QDRect

Throws: IllegalArgumentException

if mismatch between minimum length of byte array and format flag

 public byte[] getRect()

Returns the bytes for the QDRect

 public byte[] getFixedRect()

Returns the bytes for the FixedRect

 public int getX()

Get the x location of the rect.

Returns:

the current x location

 public float getXF()

Get the x location of the rect.

Returns:

the current x location

 public void setX(int x)

Set the x location of the rect.

Parameters:

x - the new x location

 public void setX(float x)

Set the x location of the rect.

Parameters:

x - the new x location

 public int getY()

Get the y location of the rect.

Returns:

the current y location

 public float getYF()

Get the y location of the rect.

Returns:

the current y location

 public void setY(int y)

Set the y location of the rect.

Parameters:

y - the new y location

 public void setY(float y)

Set the y location of the rect.

Parameters:

y - the new y location

 public boolean isDifferentSize(QDRect rect)

Returns true if the QDRect argument is a different size.

 public boolean isDifferentOrigin(QDRect rect)

Returns true if the QDRect argument has a different origin.

 public int getWidth()

Get the width of the QDRect.

Returns:

the current width

 public float getWidthF()

Get the width of the QDRect.

Returns:

the current width

 public void setWidth(int width)

Set the width of the QDRect.

Parameters:

width - the new width

 public void setWidth(float width)

Set the width of the QDRect.

Parameters:

width - the new width

 public int getHeight()

Get the height of the QDRect.

Returns:

the current height

 public float getHeightF()

Get the height of the QDRect.

Returns:

the current height

 public void setHeight(int height)

Set the height of the QDRect.

Parameters:

height - the new height

 public void setHeight(float height)

Set the height of the QDRect.

Parameters:

height - the new height

 public void reshape(int x,
                     int y,
                     int width,
                     int height)

Reshapes the QDRect to x, y, width and height.

 public void reshape(float x,
                     float y,
                     float width,
                     float height)

Reshapes the QDRect to x, y, width and height.

 public void move(int x,
                  int y)

Moves the QDRect to x, y.

 public void move(float x,
                  float y)

Moves the QDRect to x, y.

 public void translate(int deltaX,
                       int deltaY)

Translates the QDRect deltaX and deltaY.

 public void translate(float deltaX,
                       float deltaY)

Translates the QDRect deltaX and deltaY.

 public void resize(int width,
                    int height)

Resizes the QDRect.

 public void resize(float width,
                    float height)

Resizes the QDRect.

 public boolean inside(int x,
                       int y)

Checks if the specified point lies inside a QDRect.

Parameters:

x - the x coordinate

y - the y coordinate

 public boolean inside(float x,
                       float y)

Checks if the specified point lies inside a QDRect.

Parameters:

x - the x coordinate

y - the y coordinate

 public boolean intersects(QDRect r)

Checks if two QDRects intersect.

 public QDRect intersection(QDRect r)

Computes the intersection of two QDRects, returning the largets rect that encompasses both rects.

Parameters:

r - the rect to intersect with

Returns:

a QDRect

 public QDRect union(QDRect r)

Computes the union of two QDRects, returning the smallest Rect that is the union of the two QDRects.

Parameters:

r - the rect to unify with this

Returns:

a rect

 public void add(int newX,
                 int newY)

Adds a point to the QDRect. This results in the smallest QDRect that contains both the existing rectangle and the new point.

 public void add(float newX,
                 float newY)

Adds a point to the QDRect. This results in the smallest QDRect that contains both the existing rectangle and the new point.

 public void add(Point pt)

Adds a point to the QDRect. This results in the smallest QDRect that contains both the existing rectangle and the new point.

 public void grow(int h,
                  int v)

Grows the QDRect horizontally and vertically. This method modifies the QDRect so that it is h units larger on both the left and right side, and v units larger at both the top and bottom.

 public void grow(float h,
                  float v)

Grows the QDRect horizontally and vertically. This method modifies the QDRect so that it is h units larger on both the left and right side, and v units larger at both the top and bottom.

 public boolean isEmpty()

Determines whether the QDRect is empty.

 public int hashCode()

Returns the hashcode for this Rectangle.

Overrides:

hashCode in class Object

 public boolean equals(Object obj)

Checks whether two QDRects are equal.

Overrides:

equals in class QTByteObject

 public String toString()

Returns the String representation of this QDRect's values.

Overrides:

toString in class QTByteObject

 public Object clone()

Return a copy of the QDRect

Returns:

a QDRect

Overrides:

clone in class Object

 public QDRect copy()

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

Returns:

a QDRect

 public Rectangle toRectangle()

Returns a java.awt.Rectangle corresponding to the current state.

Returns:

the java.awt.Rectangle

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