| 接口 | 描述 | 
|---|---|
| RegisterableService | 
           服务提供商对象提供的可选接口,将由ServiceRegistry 
           ServiceRegistry。 | 
| ServiceRegistry.Filter | 
           通过使用一个简单的过滤器接口 
           ServiceRegistry.getServiceProviders选择提供商任意条件匹配的。 | 
| 类 | 描述 | 
|---|---|
| IIORegistry | 
           服务提供商实例的注册表。 
          | 
| IIOServiceProvider | 
           所有Image I / O服务提供商接口(SPI)通用功能的超级界面。 
          | 
| ImageInputStreamSpi | 
           服务提供者接口(SPI)为 
           ImageInputStream秒。 | 
| ImageOutputStreamSpi | 
           服务提供者接口(SPI)为 
           ImageOutputStream秒。 | 
| ImageReaderSpi | 
           服务提供者接口(SPI)为 
           ImageReader秒。 | 
| ImageReaderWriterSpi | 
           包含实例变量的超类和 
           ImageReaderSpi和ImageWriterSpi共同的方法。 | 
| ImageTranscoderSpi | 
           服务提供者接口(SPI)为 
           ImageTranscoder秒。 | 
| ImageWriterSpi | 
           服务提供者接口(SPI)为 
           ImageWriter秒。 | 
| ServiceRegistry | 
           服务提供商实例的注册表。 
          | 
 The javax.imageio.spi package contains service provider interfaces for reading, writing, and transcoding images, and obtaining input and output streams, as well as a run-time registry that discovers installed service provider instances and allows new instances to be registered dynamically.
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