Class RotateScaleOpBitmapImpl

java.lang.Object

VASSAL.tools.opcache.AbstractOpImpl<BufferedImage>

VASSAL.tools.imageop.AbstractOpImpl

VASSAL.tools.imageop.AbstractTileOpImpl

VASSAL.tools.imageop.RotateScaleOpBitmapImpl

All Implemented Interfaces:

ImageOp, RotateOp, RotateScaleOp, ScaleOp, Op<BufferedImage>

public class RotateScaleOpBitmapImpl
extends AbstractTileOpImpl
implements RotateScaleOp

An ImageOp which rotates and scales its source. Rotation is about the center of the source image, and scaling ranges from (0,Double.MAX_VALUE). If a source is to be both rotated and scaled, using one RotateScaleOp will produce better results than doing the rotation and scaling separately with one RotateOp and one ScaleOp.

Since:

3.1.0

Author:

Joel Uckelman

Field Summary

Fields inherited from class AbstractOpImpl

cache, size

Modifier and Type	Field	Description
protected static final OpCache	cache	The cache which contains calculated Images.
protected Dimension	size	The cached size of this operation's resulting Image.

Constructor Summary

Constructors

Constructor	Description
RotateScaleOpBitmapImpl(ImageOp sop, double angle, double scale)	Constructs an ImageOp which will rotate and scale the image produced by its source ImageOp.
RotateScaleOpBitmapImpl(ImageOp sop, double angle, double scale, RenderingHints hints)	Constructs an ImageOp which will rotate and scale the image produced by its source ImageOp.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
BufferedImage	eval()	Runs the Op.
protected void	fixSize()	Sets the size which is used by AbstractOpImpl.getSize(), AbstractOpImpl.getHeight(), and AbstractOpImpl.getWidth().
double	getAngle()	Returns the angle of rotation.
RenderingHints	getHints()
double	getScale()	Returns the scale factor.
List<Op<?>>	getSources()	Returns a list of Ops on which this Op depends.
int	hashCode()

Methods inherited from class AbstractTileOpImpl

getFutureTile, getNumXTiles, getNumYTiles, getTile, getTileHeight, getTileIndices, getTileOp, getTileSize, getTileWidth

Modifier and Type	Method	Description
Future<BufferedImage>	getFutureTile(int tileX, int tileY, ImageOpObserver obs)	Submits a request for tile (tileX,tileY), and returns a reference to that request.
int	getNumXTiles()	Returns the number of tiles along the x-axis.
int	getNumYTiles()	Returns the number of tiles along the y-axis.
BufferedImage	getTile(int tileX, int tileY, ImageOpObserver obs)	Calculates tile (tileX,tileY), and reports completion or failure to the specified ImageOpObserver.
int	getTileHeight()	Returns the standard height of the BufferedImage tiles which are returned by ImageOp.getTile(Point, ImageOpObserver).
Point[]	getTileIndices(Rectangle rect)	Returns an array of Points representing the tiles intersecting the given Rectangle.
ImageOp	getTileOp(int tileX, int tileY)	Returns an ImageOp which can produce the requested tile.
Dimension	getTileSize()	Returns the standard size of the BufferedImage tiles which are returned by ImageOp.getTile(Point, ImageOpObserver).
int	getTileWidth()	Returns the standard width of the BufferedImage tiles which are returned by ImageOp.getTile(Point, ImageOpObserver).

Methods inherited from class AbstractOpImpl

clearCache, getFutureImage, getFutureTile, getHeight, getImage, getImage, getSize, getSizeFromCache, getTile, getTileOp, getWidth

Modifier and Type	Method	Description
static void	clearCache()
Future<BufferedImage>	getFutureImage(ImageOpObserver obs)	Submits a request for the BufferedImage produced by this operation, and returns a reference to that request.
Future<BufferedImage>	getFutureTile(Point p, ImageOpObserver obs)	Submits a request for tile (tileX,tileY), and returns a reference to that request.
int	getHeight()	Returns the height of the BufferedImage which would be returned by ImageOp.getImage().
BufferedImage	getImage()	Calculates the BufferedImage produced by this operation.
BufferedImage	getImage(ImageOpObserver obs)	Calculates the BufferedImage produced by this operation, and reports completion or failure to the specified ImageOpObserver.
Dimension	getSize()	Returns the size of the BufferedImage which would be returned by ImageOp.getImage().
protected Dimension	getSizeFromCache()	A utility method for retrieving the size of the computed Image from the cache if the Image is cached.
BufferedImage	getTile(Point p, ImageOpObserver obs)	Calculates tile (p.x,p.y), and reports completion or failure to the specified ImageOpObserver.
ImageOp	getTileOp(Point p)	Returns an ImageOp which can produce the requested tile.
int	getWidth()	Returns the width of the BufferedImage which would be returned by ImageOp.getImage().

Methods inherited from class AbstractOpImpl

get, get, getFuture, newKey, update

Modifier and Type	Method	Description
BufferedImage	get()
BufferedImage	get(OpObserver<BufferedImage> obs)
Future<BufferedImage>	getFuture(OpObserver<BufferedImage> obs)
OpCache.Key<BufferedImage>	newKey()	Returns the current cache key for this Op.
void	update()	Invalidates the current cache key for this Op.

Methods inherited from class Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Details

RotateScaleOpBitmapImpl

public RotateScaleOpBitmapImpl(ImageOp sop,
 double angle,
 double scale)

Constructs an ImageOp which will rotate and scale the image produced by its source ImageOp.

Parameters:

sop - the source operation

angle - the angle of rotation, in degrees

scale - the scale factor

RotateScaleOpBitmapImpl

public RotateScaleOpBitmapImpl(ImageOp sop,
 double angle,
 double scale,
 RenderingHints hints)

Constructs an ImageOp which will rotate and scale the image produced by its source ImageOp.

Parameters:

sop - the source operation

angle - the angle of rotation, in degrees

scale - the scale factor

hints - rendering hints

Throws:

IllegalArgumentException - if sop == null.

Method Details

getSources

public List<Op<?>> getSources()

Description copied from class: AbstractOpImpl

Returns a list of Ops on which this Op depends.

Specified by:

getSources in interface Op<BufferedImage>

Specified by:

getSources in class AbstractOpImpl<BufferedImage>

Returns:

the Ops on which this Op depends

eval

public BufferedImage eval()
                   throws Exception

Runs the Op. This method should be called only by the caching framework.

Specified by:

eval in interface ImageOp

Specified by:

eval in interface Op<BufferedImage>

Specified by:

eval in class AbstractOpImpl

Returns:

the result of running this Op

Throws:

Exception - passed up from the source ImageOp.

fixSize

protected void fixSize()

Sets the size which is used by AbstractOpImpl.getSize(), AbstractOpImpl.getHeight(), and AbstractOpImpl.getWidth().

Specified by:

fixSize in class AbstractOpImpl

getAngle

public double getAngle()

Returns the angle of rotation.

Specified by:

getAngle in interface RotateOp

Returns:

the angle of rotation, in degrees.

getScale

public double getScale()

Returns the scale factor.

Specified by:

getScale in interface ScaleOp

Returns:

the scale factor, in the range (0,Double.MAX_VALUE].

getHints

public RenderingHints getHints()

Specified by:

getHints in interface RotateOp

Specified by:

getHints in interface ScaleOp

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object