Priority for accelerating this image. Subclasses are free to set different default priorities and applications are free to set the priority for specific images via the setAccelerationPriority(float) method.

since

1.5

Use the default image-scaling algorithm.

since

JDK1.1

Choose an image-scaling algorithm that gives higher priority to scaling speed than smoothness of the scaled image.

since

JDK1.1

Choose an image-scaling algorithm that gives higher priority to image smoothness than scaling speed.

since

JDK1.1

Use the image scaling algorithm embodied in the ReplicateScaleFilter class. The Image object is free to substitute a different filter that performs the same algorithm yet integrates more efficiently into the imaging infrastructure supplied by the toolkit.

since	JDK1.1
See also	java.awt.image.ReplicateScaleFilter

Use the Area Averaging image scaling algorithm. The image object is free to substitute a different filter that performs the same algorithm yet integrates more efficiently into the image infrastructure supplied by the toolkit.

since	JDK1.1
See also	java.awt.image.AreaAveragingScaleFilter

Sets a hint for this image about how important acceleration is. This priority hint is used to compare to the priorities of other Image objects when determining how to use scarce acceleration resources such as video memory. When and if it is possible to accelerate this Image, if there are not enough resources available to provide that acceleration but enough can be freed up by de-accelerating some other image of lower priority, then that other Image may be de-accelerated in deference to this one. Images that have the same priority take up resources on a first-come, first-served basis.

priority	a value between 0 and 1, inclusive, where higher values indicate more importance for acceleration. A value of 0 means that this Image should never be accelerated. Other values are used simply to determine acceleration priority relative to other Images.
Throws	IllegalArgumentException: if priority is less than zero or greater than 1.
since	1.5

Returns the current value of the acceleration priority hint.

return	value between 0 and 1, inclusive, which represents the current priority value
since	1.5
See also	setAccelerationPriority

Returns an ImageCapabilities object which can be inquired as to the capabilities of this Image on the specified GraphicsConfiguration. This allows programmers to find out more runtime information on the specific Image object that they have created. For example, the user might create a BufferedImage but the system may have no video memory left for creating an image of that size on the given GraphicsConfiguration, so although the object may be acceleratable in general, it is does not have that capability on this GraphicsConfiguration.

gc	a GraphicsConfiguration object. A value of null for this parameter will result in getting the image capabilities for the default GraphicsConfiguration.
return	an ImageCapabilities object that contains the capabilities of this Image on the specified GraphicsConfiguration.
since	1.5
See also	VolatileImage.getCapabilities()

Creates a graphics context for drawing to an off-screen image. This method can only be called for off-screen images.

return	a graphics context to draw to the off-screen image.
Throws	UnsupportedOperationException: if called for a non-off-screen image.
See also	java.awt.Graphics, createImage(int, int)

Determines the height of the image. If the height is not yet known, this method returns -1 and the specified ImageObserver object is notified later.

observer	an object waiting for the image to be loaded.
return	the height of this image, or -1 if the height is not yet known.
See also	getWidth, java.awt.image.ImageObserver

Gets a property of this image by name.

Individual property names are defined by the various image formats. If a property is not defined for a particular image, this method returns the UndefinedProperty object.

If the properties for this image are not yet known, this method returns null, and the ImageObserver object is notified later.

The property name "comment" should be used to store an optional comment which can be presented to the application as a description of the image, its source, or its author.

name	a property name.
observer	an object waiting for this image to be loaded.
return	the value of the named property.
Throws	NullPointerException: if the property name is null.
See also	java.awt.image.ImageObserver, UndefinedProperty

Creates a scaled version of this image. A new Image object is returned which will render the image at the specified width and height by default. The new Image object may be loaded asynchronously even if the original source image has already been loaded completely.

If either width or height is a negative number then a value is substituted to maintain the aspect ratio of the original image dimensions. If both width and height are negative, then the original image dimensions are used.

width	the width to which to scale the image.
height	the height to which to scale the image.
hints	flags to indicate the type of algorithm to use for image resampling.
return	a scaled version of the image.
Throws	IllegalArgumentException: if width or height is zero.
since	JDK1.1
See also	SCALE_DEFAULT, SCALE_FAST, SCALE_SMOOTH, SCALE_REPLICATE, SCALE_AREA_AVERAGING

Gets the object that produces the pixels for the image. This method is called by the image filtering classes and by methods that perform image conversion and scaling.

return	the image producer that produces the pixels for this image.
See also	java.awt.image.ImageProducer

Determines the width of the image. If the width is not yet known, this method returns -1 and the specified ImageObserver object is notified later.

observer	an object waiting for the image to be loaded.
return	the width of this image, or -1 if the width is not yet known.
See also	getHeight, java.awt.image.ImageObserver