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java.awt
interface Paint
- All Superinterfaces:
- Transparency
- All Known Implementing Classes:
- Color, ColorUIResource, SystemColor, GradientPaint, MultipleGradientPaint, LinearGradientPaint, RadialGradientPaint, TexturePaint
public interface Paint
extends Transparency
This Paint interface defines how color patterns
can be generated for {@link Graphics2D} operations. A class
implementing the Paint interface is added to the
Graphics2D context in order to define the color
pattern used by the draw and fill methods.
Instances of classes implementing Paint must be
read-only because the Graphics2D does not clone
these objects when they are set as an attribute with the
setPaint method or when the Graphics2D
object is itself cloned.
| Method Summary |
PaintContext |
Creates and returns a java.awt.PaintContext used to
generate the color pattern.
|
createContext
public PaintContext createContext(ColorModel cm,
Rectangle deviceBounds,
Rectangle2D userBounds,
AffineTransform xform,
RenderingHints hints)
-
Creates and returns a {@link PaintContext} used to
generate the color pattern.
Since the ColorModel argument to createContext is only a
hint, implementations of Paint should accept a null argument
for ColorModel. Note that if the application does not
prefer a specific ColorModel, the null ColorModel argument
will give the Paint implementation full leeway in using the
most efficient ColorModel it prefers for its raster processing.
Since the API documentation was not specific about this in
releases before 1.4, there may be implementations of
Paint that do not accept a null
ColorModel argument.
If a developer is writing code which passes a null
ColorModel argument to the
createContext method of Paint
objects from arbitrary sources it would be wise to code defensively
by manufacturing a non-null ColorModel for those
objects which throw a NullPointerException.
- Parameters:
cm - the {@link ColorModel} that receives the
Paint data. This is used only as a hint.deviceBounds - the device space bounding box
of the graphics primitive being rendereduserBounds - the user space bounding box
of the graphics primitive being renderedxform - the {@link AffineTransform} from user
space into device spacehints - the hint that the context object uses to
choose between rendering alternatives- Returns:
- the
PaintContext for
generating color patterns
This documentation differs from the official API.
Jadeite adds
extra features to the API including:
variable font sizes,
constructions examples,
placeholders for classes and methods, and auto-generated “See Also” links.
Additionally it
is missing some items found in standard Javadoc documentation, including:
generics type information,
“Deprecated” tags and comments,
“See Also” links,
along with other minor differences.
Please send any questions or feedback to
bam@cs.cmu.edu.
This page displays the
Jadeite version of the documention, which is derived from the offical documentation that contains this copyright notice:
The official Sun™ documentation can be found here at
http://java.sun.com/javase/6/docs/api/.