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Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Interface Transparency - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

JavaTM 2 Platform
Standard Edition

java.awt
Interface Transparency

All Known Subinterfaces:
Paint
All Known Implementing Classes:
ColorModel

public interface Transparency

The Transparency interface defines the common transparency modes for implementing classes.


Field Summary
static int BITMASK
          Represents image data that is guaranteed to be either completely opaque, with an alpha value of 1.0, or completely transparent, with an alpha value of 0.0.
static int OPAQUE
          Represents image data that is guaranteed to be completely opaque, meaning that all pixels have an alpha value of 1.0.
static int TRANSLUCENT
          Represents image data that contains or might contain arbitrary alpha values between and including 0.0 and 1.0.
 
Method Summary
 int getTransparency()
          Returns the type of this Transparency.
 

Field Detail

OPAQUE

public static final int OPAQUE
Represents image data that is guaranteed to be completely opaque, meaning that all pixels have an alpha value of 1.0.

BITMASK

public static final int BITMASK
Represents image data that is guaranteed to be either completely opaque, with an alpha value of 1.0, or completely transparent, with an alpha value of 0.0.

TRANSLUCENT

public static final int TRANSLUCENT
Represents image data that contains or might contain arbitrary alpha values between and including 0.0 and 1.0.
Method Detail

getTransparency

public int getTransparency()
Returns the type of this Transparency.
Returns:
the field type of this Transparency, which is either OPAQUE, BITMASK or TRANSLUCENT.

JavaTM 2 Platform
Standard Edition

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