JavaTM 2 Platform
Standard Ed. 5.0

javax.imageio.spi
Ŭ·¡½º ImageWriterSpi

java.lang.Object 
  »óÀ§¸¦ È®Àå javax.imageio.spi.IIOServiceProvider 
      »óÀ§¸¦ È®Àå javax.imageio.spi.ImageReaderWriterSpi 
          »óÀ§¸¦ È®Àå javax.imageio.spi.ImageWriterSpi
¸ðµç ±¸ÇöµÈ ÀÎÅÍÆäÀ̽º:
RegisterableService

public abstract class ImageWriterSpi
extends ImageReaderWriterSpi

ImageWriter ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ ÀÎÅÍÆäÀ̽º (SPI)ÀÔ´Ï´Ù. ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ Ŭ·¡½ºÀÇÀÚ¼¼ÇÑ ³»¿ëÀº IIORegistry Ŭ·¡½ºÀÇ Å¬·¡½º ÄÚ¸àÆ®¸¦ ÂüÁ¶ÇϽʽÿÀ.

°¢ ImageWriterSpi´Â °ü·ÃµÈ ImageWriter Ŭ·¡½º¿¡ °üÇÑ º¹¼öÀÇ Á¤º¸ ŸÀÔÀ» Á¦°øÇÕ´Ï´Ù.

SPI Ŭ·¡½º¸¦ Á¤ÀÇÇÏ´Â vender¸íÀ¸·Î Ŭ·¡½ºÀÇ °£°áÇÑ ¼³¸íÀº, getVendorName, getDescription ¹× getVersion ¸Þ¼­µå·Î ÃëµæÇÒ ¼ö ÀÖ½À´Ï´Ù. ÀÌ·¯ÇÑ ¸Þ¼­µå´Â ±¹Á¦È­ÀÇÇØ ·ÎÄÉÀÏ °íÀ¯ÀÇ Ãâ·ÂÀ» ½Ç½ÃÇÏ´Â °ÍÀÌ °¡´ÉÇÕ´Ï´Ù. ÀÌ·¯ÇÑ ¸Þ¼­µåÀÇ ÁÖµÈ ¸ñÀûÀº pop-up menuµîÀÇ ¸®½ºÆ® Æí¼ºÇϴµ¥ »ç¿ë °¡´ÉÇØ, °£°áÇÏ°í »ç¶÷ÀÌ Ãâ·Â°¡´ÉÇÑ Á¤º¸¸¦ Á¦°øÇÏ´Â °ÍÀÔ´Ï´Ù.

¼­ºñ½º¿¡ °ü·ÃÇÑ Çü½Ä¸í, ÆÄÀÏÁ¢¹Ì¸» ¹× MIME ŸÀÔÀÇ ¸®½ºÆ®´Â °¢°¢ getFormatNames, getFileSuffixes ¹× getMIMETypes ¸Þ¼­µå·Î ÃëµæÇÒ ¼ö ÀÖ½À´Ï´Ù. ÀÌ·¯ÇÑ ¸Þ¼­µå´Â ¼öµ¿ÀÇ Çü½Ä ¼±ÅÃ, ÆÄÀÏÀÇ ¸í¸í, ¶Ç´Â MIME °ü·ÃÁö¾î¿¡ ±â¹ÝÇØ Æ¯Á¤ÀÇ ÆÄÀÏ ¶Ç´Â ½ºÆ®¸²¿¡ Ãâ·ÂÇϱâ À§ÇÑ È帰¡ µÇ´Â ImageWriter ½Äº°·Î »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù .

ƯÁ¤ÀÇ µ¥ÀÌÅÍ ½ºÆ®¸²À» ±¸¹® ºÐ¼® ÇÒ ¼ö ÀÖÀ» °¡´É¼ºÀÇ ³ôÀº ImageWriter¸¦ ÆÇÁ¤Çϱâ À§ÇÑ, º¸´Ù ½Å·Ú¼ºÀÇ ³ôÀº ¼ö´ÜÀÌ canEncodeImage ¸Þ¼­µå¿¡ ÁغñµÇ¾î ÀÖ½À´Ï´Ù. ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ´Â ÀÌ ¸Þ¼­µå¸¦ »ç¿ëÇØ ½ÇÁ¦ÀÇ À̹ÌÁö ³»¿ëÀ» °ËÁõÇÒ ¼ö ÀÖ½À´Ï´Ù.

ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter Ŭ·¡½ºÀÇ ÀνºÅϽº´Â createWriterInstance ¸Þ¼­µå¸¦ È£ÃâÇÏ´Â °ÍÀ¸·Î ÃëµæÇÒ ¼ö ÀÖ½À´Ï´Ù. ³×ÀÌƼºê ¶óÀ̺귯¸®ÀÇ ·Îµå³ª ´ë±Ô¸ð Å×À̺í ÀÛ¼ºµîÀÇ ºÎÇÏÀÇ ³ôÀº ÃʱâÈ­´Â Àû¾îµµ ÀÌ ¸Þ¼­µå°¡ ÃÖÃÊ·Î ºÒ·Á °¥ ¶§±îÁö ¿¬±âÇÒ ÇÊ¿ä°¡ ÀÖ½À´Ï´Ù.

°ü·Ã Ç׸ñ:
IIORegistry, ImageTypeSpecifier, ImageWriter

ÇÊµå °³¿ä
protected  Class [] outputTypes
          getOutputTypes·Î ºÎÅÍ ¸®ÅÏµÈ Class °´Ã¼ÀÇ ¹è¿­·Î óÀ½Àº null ÀÔ´Ï´Ù.
protected  String [] readerSpiNames
          getImageReaderSpiNames ·ÎºÎÅÍ ¸®ÅÏµÈ Ä³¸¯ÅÍ ¶óÀÎÀÇ ¹è¿­·Î óÀ½Àº null ÀÔ´Ï´Ù.
static Class [] STANDARD_OUTPUT_TYPE
          getInputTypes·Î ºÎÅÍ ¸®ÅÏµÈ ´ÜÀÏ ¿ä¼ÒÀÇ ¹è¿­·Î óÀ½Àº ImageInputStream.class°¡ Æ÷ÇԵǾî ÀÖ½À´Ï´Ù.
 
Ŭ·¡½º javax.imageio.spi. ImageReaderWriterSpi ·ÎºÎÅÍ »ó¼ÓµÈ Çʵå
extraImageMetadataFormatClassNames, extraImageMetadataFormatNames, extraStreamMetadataFormatClassNames, extraStreamMetadataFormatNames, MIMETypes, names, nativeImageMetadataFormatClassName, nativeImageMetadataFormatName, nativeStreamMetadataFormatClassName, nativeStreamMetadataFormatName, pluginClassName, suffixes, supportsStandardImageMetadataFormat, supportsStandardStreamMetadataFormat
 
Ŭ·¡½º javax.imageio.spi. IIOServiceProvider ·ÎºÎÅÍ »ó¼ÓµÈ Çʵå
vendorName, version
 
»ý¼ºÀÚ °³¿ä
protected ImageWriterSpi ()
          °ø¹éÀÇ ImageWriterSpi¸¦ ±¸ÃàÇÕ´Ï´Ù.
  ImageWriterSpi (String  vendorName, String  version, String [] names, String [] suffixes, String [] MIMETypes, String  writerClassName, Class [] outputTypes, String [] readerSpiNames, boolean supportsStandardStreamMetadataFormat, String  nativeStreamMetadataFormatName, String  nativeStreamMetadataFormatClassName, String [] extraStreamMetadataFormatNames, String [] extraStreamMetadataFormatClassNames, boolean supportsStandardImageMetadataFormat, String  nativeImageMetadataFormatName, String  nativeImageMetadataFormatClassName, String [] extraImageMetadataFormatNames, String [] extraImageMetadataFormatClassNames)
          ÁöÁ¤µÈ °ª¼¼Æ®¸¦ »ç¿ëÇØ ImageWriterSpi¸¦ ±¸ÃàÇÕ´Ï´Ù.
 
¸Þ¼­µå °³¿ä
abstract  boolean canEncodeImage (ImageTypeSpecifier  type)
          ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter ±¸ÇöÀÌ ÁöÁ¤µÈ ·¹À̾ƿôÀ¸·Î À̹ÌÁö¸¦ encode ÇÒ ¼ö ÀÖ´Â °æ¿ì´Â true¸¦ ¸®ÅÏÇÕ´Ï´Ù.
 boolean canEncodeImage (RenderedImage  im)
          ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter ±¸ÇöÀÌ, ÁöÁ¤µÈ RenderedImageÀνºÅϽº¸¦ encode ÇÒ ¼ö ÀÖ´Â °æ¿ì´Â true¸¦ ¸®ÅÏÇÕ´Ï´Ù.
 ImageWriter createWriterInstance ()
          ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter ±¸ÇöÀÇ ÀνºÅϽº¸¦ ¸®ÅÏÇÕ´Ï´Ù.
abstract  ImageWriter createWriterInstance (Object  extension)
          ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter ±¸ÇöÀÇ ÀνºÅϽº¸¦ ¸®ÅÏÇÕ´Ï´Ù.
 String [] getImageReaderSpiNames ()
          ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter°¡ »ç¿ëÇÏ´Â ³»ºÎ ¸ÞŸµ¥ÀÌŸ Ç¥ÇöÀ» ÀÎ½Ä °¡´ÉÇÑ ImageReaderSpi Ŭ·¡½ºÀÇ ¸ðµç ¿ÏÀü ÁöÁ¤¸íÀ» Æ÷ÇÔÇÑ String ¹è¿­À» ¸®ÅÏÇÕ´Ï´Ù.
 Class [] getOutputTypes ()
          ¶óÀÌÅÍÀÇ setOutput ¸Þ¼­µåÀÇ Àμö¿¡ »ç¿ë °¡´ÉÇÑ °´Ã¼ÀÇ ÇüŸ¦ ³ªÅ¸³»´Â Class °´Ã¼ÀÇ ¹è¿­À» ¸®ÅÏÇÕ´Ï´Ù.
 boolean isFormatLossless ()
          ÀÌ ¶óÀÌÅÍ°¡ Ãâ·ÂÇÏ´Â Çü½ÄÀÌ Çȼ¿ µ¥ÀÌÅ͸¦ ºñÆ® Á¤¹Ðµµ·Î º¸°ü À¯ÁöÇÏ´Â °æ¿ì´Â true¸¦ ¸®ÅÏÇÕ´Ï´Ù.
 boolean isOwnWriter (ImageWriter  writer)
          °Ç³×¹ÞÀº ImageWriter °´Ã¼°¡ ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter ÀνºÅϽºÀÇ °æ¿ì´Â true¸¦ ¸®ÅÏÇÕ´Ï´Ù.
 
Ŭ·¡½º javax.imageio.spi. ImageReaderWriterSpi ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
getExtraImageMetadataFormatNames, getExtraStreamMetadataFormatNames, getFileSuffixes, getFormatNames, getImageMetadataFormat, getMIMETypes, getNativeImageMetadataFormatName, getNativeStreamMetadataFormatName, getPluginClassName, getStreamMetadataFormat, isStandardImageMetadataFormatSupported, isStandardStreamMetadataFormatSupported
 
Ŭ·¡½º javax.imageio.spi. IIOServiceProvider ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
getDescription, getVendorName, getVersion, onDeregistration, onRegistration
 
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

ÇʵåÀÇ »ó¼¼

STANDARD_OUTPUT_TYPE

public static final Class [] STANDARD_OUTPUT_TYPE
getInputTypes·Î ºÎÅÍ ¸®ÅÏµÈ ´ÜÀÏ ¿ä¼ÒÀÇ ¹è¿­·Î óÀ½Àº ImageInputStream.class°¡ Æ÷ÇԵǾî ÀÖ½À´Ï´Ù.


outputTypes

protected Class [] outputTypes
getOutputTypes·Î ºÎÅÍ ¸®ÅÏµÈ Class °´Ã¼ÀÇ ¹è¿­·Î óÀ½Àº null ÀÔ´Ï´Ù.


readerSpiNames

protected String [] readerSpiNames
getImageReaderSpiNames ·ÎºÎÅÍ ¸®ÅÏµÈ Ä³¸¯ÅÍ ¶óÀÎÀÇ ¹è¿­·Î óÀ½Àº null ÀÔ´Ï´Ù.

»ý¼ºÀÚ »ó¼¼

ImageWriterSpi

protected ImageWriterSpi()
°ø¹éÀÇ ImageWriterSpi¸¦ ±¸ÃàÇÕ´Ï´Ù. ¸ðµç ¸Þ¼­µåÀÇ ÀÛ¾÷ ¹öÀüÀ» Á¦°øÇϱâ À§ÇÑ ÀνºÅϽº º¯¼öÀÇ ÃʱâÈ­³ª ¸Þ¼­µå ±¸ÇöÀÇ ¿À¹ö¶óÀ̵å(override)´Â ¼­ºê Ŭ·¡½º¿¡¼­ ½Ç½ÃÇÒ ÇÊ¿ä°¡ ÀÖ½À´Ï´Ù.


ImageWriterSpi

public ImageWriterSpi(String  vendorName,
                      String  version,
                      String [] names,
                      String [] suffixes,
                      String [] MIMETypes,
                      String  writerClassName,
                      Class [] outputTypes,
                      String [] readerSpiNames,
                      boolean supportsStandardStreamMetadataFormat,
                      String  nativeStreamMetadataFormatName,
                      String  nativeStreamMetadataFormatClassName,
                      String [] extraStreamMetadataFormatNames,
                      String [] extraStreamMetadataFormatClassNames,
                      boolean supportsStandardImageMetadataFormat,
                      String  nativeImageMetadataFormatName,
                      String  nativeImageMetadataFormatClassName,
                      String [] extraImageMetadataFormatNames,
                      String [] extraImageMetadataFormatClassNames)
ÁöÁ¤µÈ °ª¼¼Æ®¸¦ »ç¿ëÇØ ImageWriterSpi¸¦ ±¸ÃàÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
vendorName - º¥´õ¸í (null ÀÌ¿ÜÀÇ String)
version - ¹öÀü ½Äº°ÀÚ (null ÀÌ¿ÜÀÇ String)
names - Çü½Ä¸íÀ» ³ªÅ¸³»´Â null ÀÌ¿ÜÀÇ String ¹è¿­. 1°³ ÀÌ»óÀÇ ¿£Æ®¸®°¡ Á¸ÀçÇÒ ÇÊ¿ä°¡ ÀÖ´Â
suffixes - °øÅëÀÇ ÆÄÀÏÁ¢¹Ì¸»À» ³ªÅ¸³»´Â String ¹è¿­. Á¢¹Ì¸»ÀÌ Á¤ÀǵǾî ÀÖÁö ¾ÊÀº °æ¿ì´Â nullÀ» ÁöÁ¤ÇÑ´Ù. ±æÀÌ 0 ¹è¿­Àº null¿¡ Á¤±ÔÈ­µÇ´Â
MIMETypes - Çü½ÄÀÇ MIME ŸÀÔÀ» ³ªÅ¸³»´Â String ¹è¿­. Á¢¹Ì¸»ÀÌ Á¤ÀǵǾî ÀÖÁö ¾ÊÀº °æ¿ì´Â nullÀ» ÁöÁ¤ÇÑ´Ù. ±æÀÌ 0 ¹è¿­Àº null¿¡ Á¤±ÔÈ­µÇ´Â
writerClassName - °ü·ÃµÈ ImageWriterSpi Ŭ·¡½ºÀÇ ¿ÏÀü ÁöÁ¤¸í (null ÀÌ¿ÜÀÇ String)
outputTypes - Á¤´çÇÑ Ãâ·Â ŸÀÔÀ» ³ªÅ¸³»´Â ±æÀÌ 1 ÀÌ»óÀÇ Class °´Ã¼ÀÇ ¹è¿­
readerSpiNames - °ü·ÃµÈ ¸ðµç ImageReader Ŭ·¡½º¸¦ ¸í¸íÇÏ´Â ±æÀÌ 1 ÀÌ»óÀÇ String ¹è¿­, ¶Ç´Â null. ±æÀÌ 0 ¹è¿­Àº null¿¡ Á¤±ÔÈ­µÇ´Â
supportsStandardStreamMetadataFormat - ½ºÆ®¸²¸ÞŸµ¥ÀÌŸ¿ÀºêÁ¦Å©Æ®°¡ Ç¥ÁØ ¸ÞŸµ¥ÀÌŸ Çü½Ä¿¡¼­ ±â¼úµÈ Æ®¸®¸¦ »ç¿ë °¡´ÉÇÑ°¡ ¾î¶²°¡¸¦ ³ªÅ¸³»´Â boolean
nativeStreamMetadataFormatName - getNativeStreamMetadataFormatName·Î ºÎÅÍ ¸®ÅÏµÈ String, ¶Ç´Â null
nativeStreamMetadataFormatClassName - getNativeStreamMetadataFormat À¸·ÎºÎÅÍ ¸®ÅÏµÈ ¸ÞŸµ¥ÀÌŸ Çü½Ä °´Ã¼ÀÇ ÀνºÅϽºÈ­·Î »ç¿ëÇÏ´Â String, ¶Ç´Â null
extraStreamMetadataFormatNames - getExtraStreamMetadataFormatNames·Î ºÎÅÍ ¸®ÅÏµÈ String ¹è¿­, ¶Ç´Â null. ±æÀÌ 0 ¹è¿­Àº null¿¡ Á¤±ÔÈ­µÇ´Â
extraStreamMetadataFormatClassNames - getStreamMetadataFormat·Î ºÎÅÍ ¸®ÅÏµÈ ¸ÞŸµ¥ÀÌŸ Çü½Ä °´Ã¼ÀÇ ÀνºÅϽºÈ­·Î »ç¿ëÇÏ´Â String¹è¿­, ¶Ç´Â null. ±æÀÌ 0 ¹è¿­Àº null¿¡ Á¤±ÔÈ­µÇ´Â
supportsStandardImageMetadataFormat - À̸ÞÀÌÁö¸ÞŸµ¥ÀÌŸ¿ÀºêÁ¦Å©Æ®°¡ Ç¥ÁØÀÇ ¸ÞŸµ¥ÀÌŸ Çü½Ä¿¡¼­ ±â¼úµÈ Æ®¸®¸¦ »ç¿ëÇÒ ¼ö ÀÖÀ»Áö ¾î¶³Áö¸¦ ³ªÅ¸³»´Â boolean
nativeImageMetadataFormatName - getNativeImageMetadataFormatName·Î ºÎÅÍ ¸®ÅÏµÈ String, ¶Ç´Â null
nativeImageMetadataFormatClassName - getNativeImageMetadataFormat À¸·ÎºÎÅÍ ¸®ÅÏµÈ ¸ÞŸµ¥ÀÌŸ Çü½Ä °´Ã¼ÀÇ ÀνºÅϽºÈ­·Î »ç¿ëÇÏ´Â String, ¶Ç´Â null
extraImageMetadataFormatNames - getExtraImageMetadataFormatNames ·ÎºÎÅÍ ¸®ÅÏµÈ String ¹è¿­. ±æÀÌ 0 ¹è¿­Àº null¿¡ Á¤±ÔÈ­µÇ´Â
extraImageMetadataFormatClassNames - getImageMetadataFormat·Î ºÎÅÍ ¸®ÅÏµÈ ¸ÞŸµ¥ÀÌŸ Çü½Ä °´Ã¼ÀÇ ÀνºÅϽºÈ­·Î »ç¿ëÇÏ´Â String¹è¿­, ¶Ç´Â null. ±æÀÌ 0 ¹è¿­Àº null¿¡ Á¤±ÔÈ­µÈ´Ù
¿¹¿Ü:
IllegalArgumentException - vendorName°¡ nullÀÎ °æ¿ì
IllegalArgumentException - version°¡ nullÀÎ °æ¿ì
IllegalArgumentException - names°¡ null ¶Ç´Â ±æÀÌ 0ÀÎ °æ¿ì
IllegalArgumentException - writerClassName°¡ nullÀÎ °æ¿ì
IllegalArgumentException - outputTypes°¡ null ¶Ç´Â ±æÀÌ 0ÀÎ °æ¿ì
¸Þ¼­µåÀÇ »ó¼¼

isFormatLossless

public boolean isFormatLossless()
ÀÌ ¶óÀÌÅÍ°¡ Ãâ·ÂÇÏ´Â Çü½ÄÀÌ Çȼ¿ µ¥ÀÌÅ͸¦ ºñÆ® Á¤¹Ðµµ·Î º¸°ü À¯ÁöÇÏ´Â °æ¿ì´Â true¸¦ ¸®ÅÏÇÕ´Ï´Ù. µðÆúÆ®ÀÇ ±¸Çö¿¡¼­´Â true¸¦ ¸®ÅÏÇÕ´Ï´Ù.

¹Ýȯ°ª:
Çü½ÄÀÌ ¿ÏÀüÇÑ Á¤¹Ðµµ·Î Çȼ¿À» º¸°ü À¯ÁöÇÏ´Â °æ¿ì´Â true

getOutputTypes

public Class [] getOutputTypes()
¶óÀÌÅÍÀÇ setOutput ¸Þ¼­µåÀÇ Àμö¿¡ »ç¿ë °¡´ÉÇÑ °´Ã¼ÀÇ ÇüŸ¦ ³ªÅ¸³»´Â Class °´Ã¼ÀÇ ¹è¿­À» ¸®ÅÏÇÕ´Ï´Ù.

ImageOutputStream¿¡ °Ô¸¸ Ãâ·ÂÇÏ´Â ´ëºÎºÐÀÇ ¶óÀÌÅÍÀÇ °æ¿ì, ImageOutputStream.class¸¦ Æ÷ÇÔÇÑ ´ÜÀÏ ¿ä¼ÒÀÇ ¹è¿­ÀÌ ¸®Åϵ˴ϴ٠.

¹Ýȯ°ª:
±æÀÌ 1 ÀÌ»óÀÇ Class °´Ã¼ÀÇ, null ÀÌ¿ÜÀÇ ¹è¿­

canEncodeImage

public abstract boolean canEncodeImage(ImageTypeSpecifier  type)
ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter ±¸ÇöÀÌ ÁöÁ¤µÈ ·¹À̾ƿôÀ¸·Î À̹ÌÁö¸¦ encode ÇÒ ¼ö ÀÖ´Â °æ¿ì´Â true¸¦ ¸®ÅÏÇÕ´Ï´Ù. ·¹À̾ƿô (Áï À̹ÌÁöÀÇ SampleModel¿Í ColorModel)Àº ImageTypeSpecifier °´Ã¼·Î ±â¼úµË´Ï´Ù.

true°¡ µ¹·ÁÁÖ°íÁ®µµ, ÀÎÄÚµùÀÌ ¼º°øÇÑ´Ù°í´Â ÇÒ ¼ö ¾ø½À´Ï´Ù. ÀÎÄÚµù 󸮷ΠÀÔÃâ·Â ¿¡·¯, ºÎÁ¤ÇÕ ¶Ç´Â ºÎÁ¤ÇÑ µ¥ÀÌÅÍ ±¸Á¶µî¿¡ ÀÇÇØ ¿¡·¯°¡ ¹ß»ýÇÏ´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù. ÀÌ ¸ñÀûÀº À̹ÌÁö°¡ ÀÎÄÚµù Çü½ÄÀÇ ½ºÄÚÇÁ³»ÀÏÁö ¾î¶³Áö¸¦ ÆÇÁ¤Çϱâ À§Çؼ­ À̹ÌÁöÀÇ ±âº» ±¸Á¶¸¦ ÀûÀýÈ÷ °ËÁõÇÏ´Â °ÍÀÔ´Ï´Ù. ¿¹¸¦ µé¾î ±×·¹ÀÌ ½ºÄÉÀϸ¸À» encode °¡´ÉÇÑ Çü½Ä¿ëÀÇ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ´Â RGB BufferedImage°¡ °Ç³×¹ÞÀ¸¸é false¸¦ ¸®ÅÏÇÕ´Ï´Ù. °°ÀÌ 8 ºñÆ® RGB À̹ÌÁö¸¦ encode ÇÒ ¼ö ÀÖ´Â ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ´Â °ü·ÃµÈ ¾ËÆÄ Ã¤³ÎÀ» °¡Áö´Â À̹ÌÁö¸¦ encode ÇÏÁö ¾Ê´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù.

ImageWriter (¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ)¾È¿¡´Â ´Ù¼Ò ¾ö°ÝÇÑ °ÍÀÌ ÀÖ½À´Ï´Ù. ¿¹¸¦ µé¾î Æ÷ÇÔÇϱâ À§Çؼ­ ¾î´À Á¤µµ Á¤¹Ðµµ¸¦ ÀúÇϽÃÄÑ °¢ Çȼ¿À» Á¦»êÇÒ ÇÊ¿ä°¡ À־, »çÀü¿¡ ¾ËÆĸ¦ °ö¼ÀÇÑ À̹ÌÁö¸¦ ¹Þ´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù.

ÆĶó¹ÌÅÍ:
type - Ãâ·ÂÇØÁö´Â À̹ÌÁöÀÇ ·¹À̾ƿôÀ» ÁöÁ¤ÇÏ´Â ImageTypeSpecifier
¹Ýȯ°ª:
ÀÌ ¶óÀÌÅÍ°¡ ÁöÁ¤µÈ ·¹À̾ƿôÀ¸·Î À̹ÌÁö¸¦ encode ÇÒ ¼ö ÀÖÀ» °¡´É¼ºÀÌ ³ôÀº °æ¿ì´Â true
¿¹¿Ü:
IllegalArgumentException - type°¡ nullÀÎ °æ¿ì

canEncodeImage

public boolean canEncodeImage(RenderedImage  im)
ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter ±¸ÇöÀÌ, ÁöÁ¤µÈ RenderedImageÀνºÅϽº¸¦ encode ÇÒ ¼ö ÀÖ´Â °æ¿ì´Â true¸¦ ¸®ÅÏÇÕ´Ï´Ù. ÀÌ°Í¿¡´Â java.awt.image.BufferedImage ÀνºÅϽº°¡ Æ÷ÇԵ˴ϴÙ.

ÀÌ ¸Þ¼­µåÀÇ ½Ã¸àƽ½ºÀÇÀÚ¼¼ÇÑ ³»¿ëÀº canEncodeImage(ImageTypeSpecifier) ¼³¸íÀ» ÂüÁ¶ÇϽʽÿÀ.

ÆĶó¹ÌÅÍ:
im - encode µÇ´Â RenderedImage ÀνºÅϽº
¹Ýȯ°ª:
ÀÌ ¶óÀÌÅÍ°¡ ÀÌ À̹ÌÁö¸¦ encode ÇÒ ¼ö ÀÖÀ» °¡´É¼ºÀÌ ³ôÀº °æ¿ì´Â true
¿¹¿Ü:
IllegalArgumentException - im°¡ nullÀÎ °æ¿ì

createWriterInstance

public ImageWriter  createWriterInstance()
                                 throws IOException 
ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter ±¸ÇöÀÇ ÀνºÅϽº¸¦ ¸®ÅÏÇÕ´Ï´Ù. ¸®ÅÏµÈ °´Ã¼ÀÇ Ãʱ⠻óÅ´ reset ¸Þ¼­µåÀÇ È£Ãâ ÈÄ¿Í °°Àº »óÅÂÀÔ´Ï´Ù.

µðÆúÆ®ÀÇ ±¸Çö¿¡¼­´Â createWriterInstance(null)¸¦ µ¹·ÁÁÙ »ÓÀÔ´Ï´Ù.

¹Ýȯ°ª:
ImageWriterÀνºÅϽº
¿¹¿Ü:
IOException - ¶óÀÌÅÍ Å¬·¡½ºÀÇ ·Îµå³ª ÃʱâÈ­, ¶Ç´Â ¶óÀÌÅÍ °´Ã¼ÀÇ ÀνºÅϽºÈ­³ª ÃʱâÈ­·Î ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

createWriterInstance

public abstract ImageWriter  createWriterInstance(Object  extension)
                                          throws IOException 
ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter ±¸ÇöÀÇ ÀνºÅϽº¸¦ ¸®ÅÏÇÕ´Ï´Ù. ¸®ÅÏµÈ °´Ã¼ÀÇ Ãʱ⠻óÅ´ reset ¸Þ¼­µåÀÇ È£Ãâ ÈÄ¿Í °°Àº »óÅÂÀÔ´Ï´Ù.

±¸Ãà½Ã¿¡ Object¸¦ Ç÷¯±× Àο¡ Á¦°øÇÒ ¼ö ÀÖ½À´Ï´Ù. °´Ã¼ÀÇ Æ¯¼ºÀº Ç÷¯±× Àο¡ µû¶ó¼­ ´Ù¸¨´Ï´Ù.

º¸Åë, Ç÷¯±× ÀÎÀº return new MyImageWriter(this) µîÀÇ Äڵ带 »ç¿ëÇØ ÀÌ ¸Þ¼­µå¸¦ ±¸ÇöÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
extension - Ç÷¯±× ÀÎ °íÀ¯ÀÇ È®Àå °´Ã¼. nullµµ °¡´É
¹Ýȯ°ª:
ImageWriterÀνºÅϽº
¿¹¿Ü:
IOException - ¶óÀÌÅÍÀÇ ÀνºÅϽºÈ­¿¡ ½ÇÆÐÇßÀ» °æ¿ì
IllegalArgumentException - È®Àå °´Ã¼°¡ ÀûÀýÇÏÁö ¾ÊÀº °ÍÀ» ³ªÅ¸³»±â À§Çؼ­ ImageWriter »ý¼ºÀÚ°¡ IllegalArgumentExceptionÀ» Throw ÇÏ´Â °æ¿ì

isOwnWriter

public boolean isOwnWriter(ImageWriter  writer)
°Ç³×¹ÞÀº ImageWriter °´Ã¼°¡ ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter ÀνºÅϽºÀÇ °æ¿ì´Â true¸¦ ¸®ÅÏÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
writer - ImageWriterÀνºÅϽº
¹Ýȯ°ª:
writer°¡ ÀνĵǴ °æ¿ì´Â true
¿¹¿Ü:
IllegalArgumentException - writer°¡ nullÀÎ °æ¿ì

getImageReaderSpiNames

public String [] getImageReaderSpiNames()
ÀÌ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¿¡ °ü·ÃµÈ ImageWriter°¡ »ç¿ëÇÏ´Â ³»ºÎ ¸ÞŸµ¥ÀÌŸ Ç¥ÇöÀ» ÀÎ½Ä °¡´ÉÇÑ ImageReaderSpi Ŭ·¡½ºÀÇ ¸ðµç ¿ÏÀü ÁöÁ¤¸íÀ» Æ÷ÇÔÇÑ String ¹è¿­À» ¸®ÅÏÇÕ´Ï´Ù. ÀÌ·± Á¾·ùÀÇ ImageReaders°¡ ÁöÁ¤µÇ¾î ÀÖÁö ¾ÊÀº °æ¿ì´Â nullÀ» ¸®ÅÏÇÕ´Ï´Ù. null ÀÌ¿ÜÀÇ °ªÀÌ ¸®ÅϵÈÀÎ °æ¿ì´Â 0 ÀÌ¿ÜÀÇ ±æÀÌ°¡ µË´Ï´Ù.

¹è¿­ÀÇ ÃÖÃÊÀÇ Ç׸ñÀº, ImageIO.getImageReader(ImageWriter)·Î ºÎÅÍ ¸®ÅÏµÈ ImageReader ÀνºÅϽºÈ­·Î »ç¿ëµÇ±â ¶§¹®¿¡ ¡¸¿ì¼±µÈ´Ù¡¹¸®´õÀÇ ¼­ºñ½º ÇÁ·Î¹ÙÀÌ´õ¸íÀÌ ¾Æ´Ï¸é ¾ÈµË´Ï´Ù.

ÀÌ µµ±¸´Â ImageWriter°¡ ÀνÄÇÏ´Â ±¸Á¶³»¿¡¼­ Çȼ¿ ÀÌ¿ÜÀÇ ¸ÞŸµ¥ÀÌŸ (IIOExtraDataInfo¸¦ ÂüÁ¶)¸¦ »ý¼ºÇÏ´Â ImageReaders Ãëµæ¿¡ »ç¿ëÇÒ ¼ö ÀÖ½À´Ï´Ù. À̹ÌÁö¸¦ Àбâ, ÀÌ ¸Þ¼­µå·Î ÃëµæÇÏ°í ½ÍÀº Â÷ÀÌÀΰ¡ÀÇ ImageReaders·Î ºÎÅÍ ÀÌ µ¥ÀÌÅ͸¦ ÃëµæÇØ, ±×°ÍÀ» ImageWriter¿¡ °Ç³×ÁÖ¸é, Ŭ¶óÀ̾ðÆ® ÇÁ·Î±×·¥À¸·Î ¸ðµç ¸ÞŸµ¥ÀÌŸ¸¦ º¸°ü À¯ÁöÇϸ鼭, À̹ÌÁöÀÇ read³ª º¯°æ, ¾²±â ¹ÝȯÀ» ½Ç½ÃÇÒ ¼ö°¡ ÀÖ¾î ¸ÞŸµ¥ÀÌŸÀÇ ³»ºÎ ±¸Á¶³ª À̹ÌÁö Çü½ÄÁ¶Â÷ ¾Æ¹«°Íµµ ½ÄÇÒ ÇÊ¿ä´Â ¾ø½À´Ï´Ù.

¹Ýȯ°ª:
ImageReaderSpi À̸§À» Æ÷ÇÔÇÑ ±æÀÌ 1 ÀÌ»óÀÇ String ¹è¿­, ¶Ç´Â null
°ü·Ã Ç׸ñ:
ImageIO.getImageReader(ImageWriter), ImageReaderSpi.getImageWriterSpiNames()

JavaTM 2 Platform
Standard Ed. 5.0

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