- All Superinterfaces:
Transparency
- All Known Implementing Classes:
Color,ColorUIResource,GradientPaint,LinearGradientPaint,MultipleGradientPaint,RadialGradientPaint,SystemColor,TexturePaint
This
Paint interface defines how color patterns
can be generated for 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.
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Field Summary
Fields declared in interface java.awt.Transparency
BITMASK, OPAQUE, TRANSLUCENT -
Method Summary
Modifier and TypeMethodDescriptioncreateContext(ColorModel cm, Rectangle deviceBounds, Rectangle2D userBounds, AffineTransform xform, RenderingHints hints) Creates and returns aPaintContextused to generate the color pattern.Methods declared in interface java.awt.Transparency
getTransparency
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Method Details
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createContext
PaintContext createContext(ColorModel cm, Rectangle deviceBounds, Rectangle2D userBounds, AffineTransform xform, RenderingHints hints) Creates and returns aPaintContextused to generate the color pattern. The arguments to this method convey additional information about the rendering operation that may be used or ignored on various implementations of thePaintinterface. A caller must pass non-nullvalues for all of the arguments except for theColorModelargument which may benullto indicate that no specificColorModeltype is preferred. Implementations of thePaintinterface are allowed to use or ignore any of the arguments as makes sense for their function, and are not constrained to use the specifiedColorModelfor the returnedPaintContext, even if it is notnull. Implementations are allowed to throwNullPointerExceptionfor anynullargument other than theColorModelargument, but are not required to do so.- Parameters:
cm- the preferredColorModelwhich represents the most convenient format for the caller to receive the pixel data, ornullif there is no preference.deviceBounds- the device space bounding box of the graphics primitive being rendered. Implementations of thePaintinterface are allowed to throwNullPointerExceptionfor anull deviceBounds.userBounds- the user space bounding box of the graphics primitive being rendered. Implementations of thePaintinterface are allowed to throwNullPointerExceptionfor anull userBounds.xform- theAffineTransformfrom user space into device space. Implementations of thePaintinterface are allowed to throwNullPointerExceptionfor anull xform.hints- the set of hints that the context object can use to choose between rendering alternatives. Implementations of thePaintinterface are allowed to throwNullPointerExceptionfor anull hints.- Returns:
- the
PaintContextfor generating color patterns. - See Also:
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