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Java Source Code / Java Documentation » 6.0 JDK Modules » Java Advanced Imaging » javax.media.jai

Source Cross Reference Class Diagram Java Document (Java Doc)

java.lang .Object

javax.media.jai .ROI

javax.media.jai .ROIShape

ROIShape
public class ROIShape extends ROI (Code)
	A class representing a region of interest within an image as a `Shape`. Such regions are binary by definition. Using a `Shape` representation allows boolean operations to be performed quickly and with compact storage. If a `PropertyGenerator` responsible for generating the `ROI` property of a particular `OperationDescriptor` (e.g., a warp) cannot reasonably produce an `ROIShape` representing the region, it should call `getAsImage()` on its sources and produce its output `ROI` in image form.

Field Summary
transient Shape	theShape The internal Shape that defines this mask.

Constructor Summary
public	ROIShape(Shape s) Constructs an ROIShape from a Shape.
public	ROIShape(Area a) Constructs an ROIShape from an Area.

Method Summary
public ROI	add(ROI roi) Adds another mask to this one.
public boolean	contains(Point p) Returns `true` if the mask contains a given Point. Parameters: p - a Point specifying the coordinates of the pixel to be queried.
public boolean	contains(Point2D p) Returns `true` if the mask contains a given Point2D. Parameters: p - A Point2D specifying the coordinates of the pixelto be queried. throws: IllegalArgumentException - is p is null.
public boolean	contains(int x, int y) Returns `true` if the mask contains the point (x, y). Parameters: x - An int specifying the X coordinate of the pixel to be queried. Parameters: y - An int specifying the Y coordinate of the pixel to be queried.
public boolean	contains(double x, double y) Returns `true` if the mask contains the point (x, y). Parameters: x - A double specifying the X coordinate of the pixelto be queried. Parameters: y - A double specifying the Y coordinate of the pixelto be queried.
public boolean	contains(Rectangle rect) Returns `true` if a given `Rectangle` is entirely included within the mask. Parameters: rect - A `Rectangle` specifying the region tobe tested for inclusion.
public boolean	contains(Rectangle2D rect) Returns `true` if a given `Rectangle2D` is entirely included within the mask. Parameters: rect - A `Rectangle2D` specifying the region tobe tested for inclusion.
public boolean	contains(int x, int y, int w, int h) Returns `true` if a given rectangle (x, y, w, h) is entirely included within the mask. Parameters: x - The int X coordinate of the upper left corner of the region. Parameters: y - The int Y coordinate of the upper left corner of the region. Parameters: w - The int width of the region. Parameters: h - The int height of the region.
public boolean	contains(double x, double y, double w, double h) Returns `true` if a given rectangle (x, y, w, h) is entirely included within the mask. Parameters: x - The double X coordinate of the upper left corner of the region. Parameters: y - The double Y coordinate of the upper left corner of the region. Parameters: w - The double width of the region. Parameters: h - The double height of the region.
public ROI	exclusiveOr(ROI roi) Sets the mask to its exclusive-or with another mask.
public int[][]	getAsBitmask(int x, int y, int width, int height, int[][] mask) Returns a bitmask for a given rectangular region of the ROI indicating whether the pixel is included in the region of interest.
public PlanarImage	getAsImage() Returns the shape as a `PlanarImage`.
public LinkedList	getAsRectangleList(int x, int y, int width, int height) Returns a `LinkedList` of `Rectangle`s for a given rectangular region of the ROI.
protected LinkedList	getAsRectangleList(int x, int y, int width, int height, boolean mergeRectangles) Returns a `LinkedList` of `Rectangle`s for a given rectangular region of the ROI. Parameters: x - The X coordinate of the upper left corner of the rectangle. Parameters: y - The Y coordinate of the upper left corner of the rectangle. Parameters: width - The width of the rectangle. Parameters: height - The height of the rectangle. Parameters: mergeRectangles - `true` if the `Rectangle`sare to be merged into a minimal set.
public Shape	getAsShape() Returns the internal Shape representation or null if a shape representation is not possible.
public Rectangle	getBounds() Returns the bounds of the mask as a `Rectangle`.
public Rectangle2D	getBounds2D() Returns the bounds of the mask as a `Rectangle2D`.
public ROI	intersect(ROI roi) Sets the mask to its intersection with another mask.
public boolean	intersects(Rectangle r) Returns `true` if a given `Rectangle` intersects the mask. Parameters: r - A `Rectangle` specifying the region to be tested forinclusion.
public boolean	intersects(Rectangle2D r) Returns `true` if a given `Rectangle2D` intersects the mask. Parameters: r - A `Rectangle2D` specifying the region to betested for inclusion.
public boolean	intersects(int x, int y, int w, int h) Returns `true` if a given rectangle (x, y, w, h) intersects the mask. Parameters: x - The int X coordinate of the upper left corner of the region. Parameters: y - The int Y coordinate of the upper left corner of the region. Parameters: w - The int width of the region. Parameters: h - The int height of the region.
public boolean	intersects(double x, double y, double w, double h) Returns `true` if a given rectangle (x, y, w, h) intersects the mask. Parameters: x - The double X coordinate of the upper left corner of the region. Parameters: y - The double Y coordinate of the upper left corner of the region. Parameters: w - The double width of the region. Parameters: h - The double height of the region.
public ROI	subtract(ROI roi) Subtracts another mask from this one.
public ROI	transform(AffineTransform at) Transforms the current contents of the `ROI` by a given `AffineTransform`.

Field Detail

theShape
transient Shape theShape(Code)
	The internal Shape that defines this mask.

Constructor Detail

ROIShape
public ROIShape(Shape s)(Code)
	Constructs an ROIShape from a Shape. Parameters: s - A Shape. throws: IllegalArgumentException - if s is null.

ROIShape
public ROIShape(Area a)(Code)
	Constructs an ROIShape from an Area. Parameters: a - An Area.

Method Detail

add
public ROI add(ROI roi)(Code)
	Adds another mask to this one. This operation may force this mask to be rendered. Parameters: roi - A ROI. throws: IllegalArgumentException - is roi is null.

contains
public boolean contains(Point p)(Code)
	Returns `true` if the mask contains a given Point. Parameters: p - a Point specifying the coordinates of the pixel to be queried. `true` if the pixel lies within the mask. throws: IllegalArgumentException - is p is null.

contains
public boolean contains(Point2D p)(Code)
	Returns `true` if the mask contains a given Point2D. Parameters: p - A Point2D specifying the coordinates of the pixelto be queried. throws: IllegalArgumentException - is p is null. `true` if the pixel lies within the mask.

contains
public boolean contains(int x, int y)(Code)
	Returns `true` if the mask contains the point (x, y). Parameters: x - An int specifying the X coordinate of the pixel to be queried. Parameters: y - An int specifying the Y coordinate of the pixel to be queried. `true` if the pixel lies within the mask.

contains
public boolean contains(double x, double y)(Code)
	Returns `true` if the mask contains the point (x, y). Parameters: x - A double specifying the X coordinate of the pixelto be queried. Parameters: y - A double specifying the Y coordinate of the pixelto be queried. `true` if the pixel lies within the mask.

contains
public boolean contains(Rectangle rect)(Code)
	Returns `true` if a given `Rectangle` is entirely included within the mask. Parameters: rect - A `Rectangle` specifying the region tobe tested for inclusion. `true` if the rectangle isentirely contained within the mask. throws: IllegalArgumentException - is rect is null.

contains
public boolean contains(Rectangle2D rect)(Code)
	Returns `true` if a given `Rectangle2D` is entirely included within the mask. Parameters: rect - A `Rectangle2D` specifying the region tobe tested for inclusion. `true` if the rectangle is entirelycontained within the mask. throws: IllegalArgumentException - is rect is null.

contains
public boolean contains(int x, int y, int w, int h)(Code)
	Returns `true` if a given rectangle (x, y, w, h) is entirely included within the mask. Parameters: x - The int X coordinate of the upper left corner of the region. Parameters: y - The int Y coordinate of the upper left corner of the region. Parameters: w - The int width of the region. Parameters: h - The int height of the region. `true` if the rectangle is entirelycontained within the mask.

contains
public boolean contains(double x, double y, double w, double h)(Code)
	Returns `true` if a given rectangle (x, y, w, h) is entirely included within the mask. Parameters: x - The double X coordinate of the upper left corner of the region. Parameters: y - The double Y coordinate of the upper left corner of the region. Parameters: w - The double width of the region. Parameters: h - The double height of the region. `true` if the rectangle is entirely containedwithin the mask.

exclusiveOr
public ROI exclusiveOr(ROI roi)(Code)
	Sets the mask to its exclusive-or with another mask. This operation may force this mask to be rendered. Parameters: roi - A ROI. throws: IllegalArgumentException - is roi is null.

getAsBitmask
public int[][] getAsBitmask(int x, int y, int width, int height, int[][] mask)(Code)
	Returns a bitmask for a given rectangular region of the ROI indicating whether the pixel is included in the region of interest. The results are packed into 32-bit integers, with the MSB considered to lie on the left. The last entry in each row of the result may have bits that lie outside of the requested rectangle. These bits are guaranteed to be zeroed. The `mask` array, if supplied, must be of length equal to or greater than `height` and each of its subarrays must have length equal to or greater than (width + 31)/32. If `null` is passed in, a suitable array will be constructed. If the mask is non-null but has insufficient size, an exception will be thrown. Parameters: x - The X coordinate of the upper left corner of the rectangle. Parameters: y - The Y coordinate of the upper left corner of the rectangle. Parameters: width - The width of the rectangle. Parameters: height - The height of the rectangle. Parameters: mask - A two-dimensional array of ints at least(width + 31)/32 entries wide and (height) entries tall,or null. A reference to the `mask` parameter, orto a newly constructed array if `mask` is`null`.

getAsImage
public PlanarImage getAsImage()(Code)
	Returns the shape as a `PlanarImage`. This requires performing an antialiased rendering of the internal Shape. If the upper-left corner of the bounds of this`ROIShape` is (0, 0), the returned image is a`BufferedImage` of type TYPE_BYTE_BINARY wrapped asa `PlanarImage`. Otherwise, the returned image is a(bilevel) `TiledImage` whose `SampleModel`is an instance of `MultiPixelPackedSampleModel`.

getAsRectangleList
public LinkedList getAsRectangleList(int x, int y, int width, int height)(Code)
	Returns a `LinkedList` of `Rectangle`s for a given rectangular region of the ROI. The `Rectangle`s in the list are merged into a minimal set. Parameters: x - The X coordinate of the upper left corner of the rectangle. Parameters: y - The Y coordinate of the upper left corner of the rectangle. Parameters: width - The width of the rectangle. Parameters: height - The height of the rectangle. A `LinkedList` of `Rectangle`s.

getAsRectangleList
protected LinkedList getAsRectangleList(int x, int y, int width, int height, boolean mergeRectangles)(Code)
	Returns a `LinkedList` of `Rectangle`s for a given rectangular region of the ROI. Parameters: x - The X coordinate of the upper left corner of the rectangle. Parameters: y - The Y coordinate of the upper left corner of the rectangle. Parameters: width - The width of the rectangle. Parameters: height - The height of the rectangle. Parameters: mergeRectangles - `true` if the `Rectangle`sare to be merged into a minimal set. A `LinkedList` of `Rectangle`s.

getAsShape
public Shape getAsShape()(Code)
	Returns the internal Shape representation or null if a shape representation is not possible.

getBounds
public Rectangle getBounds()(Code)
	Returns the bounds of the mask as a `Rectangle`.

getBounds2D
public Rectangle2D getBounds2D()(Code)
	Returns the bounds of the mask as a `Rectangle2D`.

intersect
public ROI intersect(ROI roi)(Code)
	Sets the mask to its intersection with another mask. This operation may force this mask to be rendered. Parameters: roi - A ROI. throws: IllegalArgumentException - is roi is null.

intersects
public boolean intersects(Rectangle r)(Code)
	Returns `true` if a given `Rectangle` intersects the mask. Parameters: r - A `Rectangle` specifying the region to be tested forinclusion. `true` if the rectangle intersects the mask. throws: IllegalArgumentException - is r is null.

intersects
public boolean intersects(Rectangle2D r)(Code)
	Returns `true` if a given `Rectangle2D` intersects the mask. Parameters: r - A `Rectangle2D` specifying the region to betested for inclusion. `true` if the rectangle intersects the mask. throws: IllegalArgumentException - is r is null.

intersects
public boolean intersects(int x, int y, int w, int h)(Code)
	Returns `true` if a given rectangle (x, y, w, h) intersects the mask. Parameters: x - The int X coordinate of the upper left corner of the region. Parameters: y - The int Y coordinate of the upper left corner of the region. Parameters: w - The int width of the region. Parameters: h - The int height of the region. `true` if the rectangle intersects the mask.

intersects
public boolean intersects(double x, double y, double w, double h)(Code)
	Returns `true` if a given rectangle (x, y, w, h) intersects the mask. Parameters: x - The double X coordinate of the upper left corner of the region. Parameters: y - The double Y coordinate of the upper left corner of the region. Parameters: w - The double width of the region. Parameters: h - The double height of the region. `true` if the rectangle intersects the mask.

subtract
public ROI subtract(ROI roi)(Code)
	Subtracts another mask from this one. This operation may force this mask to be rendered. Parameters: roi - A ROI. throws: IllegalArgumentException - is roi is null.

transform
public ROI transform(AffineTransform at)(Code)
	Transforms the current contents of the `ROI` by a given `AffineTransform`. Parameters: at - An `AffineTransform` object. throws: IllegalArgumentException - if at is null.

Fields inherited from javax.media.jai.ROI

transient PlanarImage theImage(Code)(Java Doc)
int threshold(Code)(Java Doc)

Methods inherited from javax.media.jai.ROI

public ROI add(ROI roi)(Code)(Java Doc)
public boolean contains(Point p)(Code)(Java Doc)
public boolean contains(Point2D p)(Code)(Java Doc)
public boolean contains(int x, int y)(Code)(Java Doc)
public boolean contains(double x, double y)(Code)(Java Doc)
public boolean contains(Rectangle rect)(Code)(Java Doc)
public boolean contains(Rectangle2D rect)(Code)(Java Doc)
public boolean contains(int x, int y, int w, int h)(Code)(Java Doc)
public boolean contains(double x, double y, double w, double h)(Code)(Java Doc)
public ROI exclusiveOr(ROI roi)(Code)(Java Doc)
public int[][] getAsBitmask(int x, int y, int width, int height, int[][] mask)(Code)(Java Doc)
public PlanarImage getAsImage()(Code)(Java Doc)
public LinkedList getAsRectangleList(int x, int y, int width, int height)(Code)(Java Doc)
protected LinkedList getAsRectangleList(int x, int y, int width, int height, boolean mergeRectangles)(Code)(Java Doc)
public Shape getAsShape()(Code)(Java Doc)
public Rectangle getBounds()(Code)(Java Doc)
public Rectangle2D getBounds2D()(Code)(Java Doc)
public int getThreshold()(Code)(Java Doc)
public ROI intersect(ROI roi)(Code)(Java Doc)
public boolean intersects(Rectangle rect)(Code)(Java Doc)
public boolean intersects(Rectangle2D r)(Code)(Java Doc)
public boolean intersects(int x, int y, int w, int h)(Code)(Java Doc)
public boolean intersects(double x, double y, double w, double h)(Code)(Java Doc)
protected static LinkedList mergeRunLengthList(LinkedList rectList)(Code)(Java Doc)
public ROI performImageOp(RenderedImageFactory RIF, ParameterBlock paramBlock, int sourceIndex, RenderingHints renderHints)(Code)(Java Doc)
public ROI performImageOp(String name, ParameterBlock paramBlock, int sourceIndex, RenderingHints renderHints)(Code)(Java Doc)
public void setThreshold(int threshold)(Code)(Java Doc)
public ROI subtract(ROI roi)(Code)(Java Doc)
public ROI transform(AffineTransform at, Interpolation interp)(Code)(Java Doc)
public ROI transform(AffineTransform at)(Code)(Java Doc)

Methods inherited from java.lang.Object

native protected Object clone() throws CloneNotSupportedException(Code)(Java Doc)
public boolean equals(Object obj)(Code)(Java Doc)
protected void finalize() throws Throwable(Code)(Java Doc)
final native public Class getClass()(Code)(Java Doc)
native public int hashCode()(Code)(Java Doc)
final native public void notify()(Code)(Java Doc)
final native public void notifyAll()(Code)(Java Doc)
public String toString()(Code)(Java Doc)
final native public void wait(long timeout) throws InterruptedException(Code)(Java Doc)
final public void wait(long timeout, int nanos) throws InterruptedException(Code)(Java Doc)
final public void wait() throws InterruptedException(Code)(Java Doc)

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