Paint (Java Platform SE 7 )
Keywords: java.awt.Paint interface

java.awt

## Interface Paint

- All Superinterfaces:
    Transparency
  All Known Implementing Classes:
    Color, ColorUIResource, GradientPaint, LinearGradientPaint, MultipleGradientPaint, RadialGradientPaint, SystemColor, TexturePaint

      public interface Paint
      extends Transparency

  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:
    `PaintContext`, `Color`, `GradientPaint`, `TexturePaint`, `Graphics2D.setPaint(java.awt.Paint)`

- - ### Field Summary

    - ### Fields inherited from interface java.awt.Transparency

      `BITMASK, OPAQUE, TRANSLUCENT`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `PaintContext` | `createContext(ColorModel cm, Rectangle deviceBounds, Rectangle2D userBounds, AffineTransform xform, RenderingHints hints)` Creates and returns a `PaintContext` used to generate the color pattern.

    - ### Methods inherited from interface java.awt.Transparency

      `getTransparency`

- - ### Method Detail

    - #### createContext

          PaintContext createContext(ColorModel cm,
                                   Rectangle deviceBounds,
                                   Rectangle2D userBounds,
                                   AffineTransform xform,
                                   RenderingHints hints)

      Creates and returns a `PaintContext` 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 the `Paint` interface. A caller must pass non-`null` values for all of the arguments except for the `ColorModel` argument which may be `null` to indicate that no specific `ColorModel` type is preferred. Implementations of the `Paint` interface are allowed to use or ignore any of the arguments as makes sense for their function, and are not constrained to use the specified `ColorModel` for the returned `PaintContext`, even if it is not `null`. Implementations are allowed to throw `NullPointerException` for any `null` argument other than the `ColorModel` argument, but are not required to do so.
      Parameters:
        `cm` - the preferred `ColorModel` which represents the most convenient format for the caller to receive the pixel data, or `null` if there is no preference.
        `deviceBounds` - the device space bounding box of the graphics primitive being rendered. Implementations of the `Paint` interface are allowed to throw `NullPointerException` for a `null` `deviceBounds`.
        `userBounds` - the user space bounding box of the graphics primitive being rendered. Implementations of the `Paint` interface are allowed to throw `NullPointerException` for a `null` `userBounds`.
        `xform` - the `AffineTransform` from user space into device space. Implementations of the `Paint` interface are allowed to throw `NullPointerException` for a `null` `xform`.
        `hints` - the set of hints that the context object can use to choose between rendering alternatives. Implementations of the `Paint` interface are allowed to throw `NullPointerException` for a `null` `hints`.
      Returns:
        the `PaintContext` for generating color patterns.
      See Also:
        `PaintContext`, `ColorModel`, `Rectangle`, `Rectangle2D`, `AffineTransform`, `RenderingHints`

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