GraphicsConfigTemplate (Java 2 Platform SE 5.0) - JDK 5 Documentation v1.5.0, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Ed. 5.0

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java.awt
Class GraphicsConfigTemplate

java.lang.Object
  java.awt.GraphicsConfigTemplate

All Implemented Interfaces:: Serializable

public abstract class GraphicsConfigTemplate
extends Object
implements Serializable
extends Object
implements Serializable

The GraphicsConfigTemplate class is used to obtain a valid GraphicsConfiguration. A user instantiates one of these objects and then sets all non-default attributes as desired. The GraphicsDevice.getBestConfiguration(java.awt.GraphicsConfigTemplate) method found in the GraphicsDevice class is then called with this GraphicsConfigTemplate. A valid GraphicsConfiguration is returned that meets or exceeds what was requested in the GraphicsConfigTemplate.

Since:: 1.2
See Also:: GraphicsDevice, GraphicsConfiguration, Serialized Form

Field Summary

static int PREFERRED
          Value used for "Enum" (Integer) type.

static int REQUIRED
          Value used for "Enum" (Integer) type.

static int UNNECESSARY
          Value used for "Enum" (Integer) type.

Constructor Summary

GraphicsConfigTemplate()
          This class is an abstract class so only subclasses can be instantiated.

Method Summary

abstract GraphicsConfiguration getBestConfiguration(GraphicsConfiguration[] gc)
          Returns the "best" configuration possible that passes the criteria defined in the GraphicsConfigTemplate.

abstract boolean isGraphicsConfigSupported(GraphicsConfiguration gc)
          Returns a boolean indicating whether or not the specified GraphicsConfiguration can be used to create a drawing surface that supports the indicated features.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Summary
`static int`	`PREFERRED` Value used for "Enum" (Integer) type.
`static int`	`REQUIRED` Value used for "Enum" (Integer) type.
`static int`	`UNNECESSARY` Value used for "Enum" (Integer) type.

Constructor Summary
`GraphicsConfigTemplate()` This class is an abstract class so only subclasses can be instantiated.

Method Summary
`abstract GraphicsConfiguration`	`getBestConfiguration(GraphicsConfiguration[] gc)` Returns the "best" configuration possible that passes the criteria defined in the `GraphicsConfigTemplate`.
`abstract boolean`	`isGraphicsConfigSupported(GraphicsConfiguration gc)` Returns a `boolean` indicating whether or not the specified `GraphicsConfiguration` can be used to create a drawing surface that supports the indicated features.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

REQUIRED

public static final int REQUIRED

Value used for "Enum" (Integer) type. States that this feature is required for the GraphicsConfiguration object. If this feature is not available, do not select the GraphicsConfiguration object.

See Also:: Constant Field Values

PREFERRED

public static final int PREFERRED

Value used for "Enum" (Integer) type. States that this feature is desired for the GraphicsConfiguration object. A selection with this feature is preferred over a selection that does not include this feature, although both selections can be considered valid matches.

See Also:: Constant Field Values

UNNECESSARY

public static final int UNNECESSARY

Value used for "Enum" (Integer) type. States that this feature is not necessary for the selection of the GraphicsConfiguration object. A selection without this feature is preferred over a selection that includes this feature since it is not used.

See Also:: Constant Field Values

Constructor Detail