Interface Paint
- 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.
- See Also:
-
Field Summary
Fields declared in interface java.awt.Transparency
BITMASK, OPAQUE, TRANSLUCENT
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Method Summary
Modifier and TypeMethodDescriptioncreateContext
(ColorModel cm, Rectangle deviceBounds, Rectangle2D userBounds, AffineTransform xform, RenderingHints hints) Creates and returns aPaintContext
used to generate the color pattern.Methods declared in interface java.awt.Transparency
getTransparency
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Method Details
-
createContext
PaintContext createContext(ColorModel cm, Rectangle deviceBounds, Rectangle2D userBounds, AffineTransform xform, RenderingHints hints) Creates and returns aPaintContext
used 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 thePaint
interface. A caller must pass non-null
values for all of the arguments except for theColorModel
argument which may benull
to indicate that no specificColorModel
type is preferred. Implementations of thePaint
interface are allowed to use or ignore any of the arguments as makes sense for their function, and are not constrained to use the specifiedColorModel
for the returnedPaintContext
, even if it is notnull
. Implementations are allowed to throwNullPointerException
for anynull
argument other than theColorModel
argument, but are not required to do so.- Parameters:
cm
- the preferredColorModel
which represents the most convenient format for the caller to receive the pixel data, ornull
if there is no preference.deviceBounds
- the device space bounding box of the graphics primitive being rendered. Implementations of thePaint
interface are allowed to throwNullPointerException
for anull deviceBounds
.userBounds
- the user space bounding box of the graphics primitive being rendered. Implementations of thePaint
interface are allowed to throwNullPointerException
for anull userBounds
.xform
- theAffineTransform
from user space into device space. Implementations of thePaint
interface are allowed to throwNullPointerException
for anull xform
.hints
- the set of hints that the context object can use to choose between rendering alternatives. Implementations of thePaint
interface are allowed to throwNullPointerException
for anull hints
.- Returns:
- the
PaintContext
for generating color patterns. - See Also:
-