JavaTM 2 Platform
Standard Ed. 5.0

javax.imageio.stream
Ŭ·¡½º MemoryCacheImageOutputStream

java.lang.Object 
  »óÀ§¸¦ È®Àå javax.imageio.stream.ImageInputStreamImpl 
      »óÀ§¸¦ È®Àå javax.imageio.stream.ImageOutputStreamImpl 
          »óÀ§¸¦ È®Àå javax.imageio.stream.MemoryCacheImageOutputStream
¸ðµç ±¸ÇöµÈ ÀÎÅÍÆäÀ̽º:
DataInput, DataOutput, ImageInputStream, ImageOutputStream

public class MemoryCacheImageOutputStream
extends ImageOutputStreamImpl

Ãâ·ÂÀ» º¸Åë ÀÇ OutputStream ¿¡ ±âÀÔÇÏ´Â ImageOutputStream ±¸ÇöÀÔ´Ï´Ù. ¸Þ¸ð¸®¹åÆÄ¿¡´Â Àû¾îµµ ÆÄ±â À§Ä¡¿Í ÇöÀçÀÇ ±âÀÔ À§Ä¡¿ÍÀÇ »çÀÌÀÇ µ¥ÀÌÅͰ¡ ij½¬µË´Ï´Ù. OutputStream¸¦ »ç¿ëÇÏ´Â °ÍÀº »ý¼ºÀÚ ¸¸À̹ǷΠÀÌ Å¬·¡½º´Â Àоîµé¿©, º¯°æ, ¶Ç´Â ±âÀÔÇØ Á¶ÀÛ¿¡ »ç¿ëÇÒ ¼ö ¾ø´Â °æ¿ì°¡ ÀÖ½À´Ï´Ù. read´Â ij½¬¿¡ ±âÀÔÀÌ ³¡³­ »óÅ·Π¾ÆÁ÷ Ç÷¡½ÃµÇ¾î ÀÖÁö ¾ÊÀº ½ºÆ®¸² ºÎºÐ¿¡ ´ëÇÑ º¸°í ½Ç½ÃÇÒ ¼ö°¡ ÀÖ½À´Ï´Ù.


ÇÊµå °³¿ä
 
Ŭ·¡½º javax.imageio.stream. ImageInputStreamImpl ·ÎºÎÅÍ »ó¼ÓµÈ Çʵå
bitOffset, byteOrder, flushedPos, streamPos
 
»ý¼ºÀÚ °³¿ä
MemoryCacheImageOutputStream (OutputStream  stream)
          ÁöÁ¤µÈ outputStream ¿¡ ±âÀÔÇÏ´Â MemoryCacheImageOutputStream¸¦ ±¸ÃàÇÕ´Ï´Ù.
 
¸Þ¼­µå °³¿ä
 void close ()
          ÀÌ MemoryCacheImageOutputStream¸¦ ´Ý½À´Ï´Ù.
 void flushBefore (long pos)
          Áö½Ã¹ÞÀº À§Ä¡º¸´Ù ÀüÀÇ ÃʱâÀÇ ½ºÆ®¸² ºÎºÐÀ» ÆÄ±âÇÕ´Ï´Ù.
 boolean isCached ()
          ÈĹ濡ÀÇ ½ÃÅ©¸¦ °¡´ÉÇÏ°Ô Çϱâ À§Çؼ­, ÀÌ ImageOutputStream °¡ µ¥ÀÌÅ͸¦ ij½¬Çϱâ À§ÇØ,true °¡ µ¹·ÁÁÖ°íÁý´Ï´Ù.
 boolean isCachedFile ()
          ÀÌ mageOutputStream´Â ÆÄÀÏ Ä³½¬¸¦ À¯ÁöÇÏÁö ¾Ê±â ¶§¹®¿¡ false °¡ µ¹·ÁÁÖ°íÁý´Ï´Ù.
 boolean isCachedMemory ()
          ÀÌ ImageOutputStream´Â ¸ÞÀÎ ¸Þ¸ð¸® ij½¬¸¦ À¯ÁöÇϱâ À§ÇØ,true °¡ µ¹·ÁÁÖ°íÁý´Ï´Ù.
 long length ()
          ½ºÆ®¸²ÀÌ ¹ÌÁöÀÇ ±æÀÌÀÎ °ÍÀ» ³ªÅ¸³½´Ù -1L¸¦ µ¹·ÁÁÝ´Ï´Ù.
 int read ()
          ½ºÆ®¸²·ÎºÎÅÍ 1 ¹ÙÀÌÆ®¸¦ Àоîµé¿©, ±×°ÍÀ» 0 ¿¡¼­ 255 ±îÁöÀÇ Á¤¼ö·Î¼­ µ¹·ÁÁÝ´Ï´Ù.
 int read (byte[] b, int off, int len)
          ½ºÆ®¸²·ÎºÎÅÍ len ¹ÙÀÌÆ®±îÁö Àоîµé¿©,b ¿¡ À妽º off ·ÎºÎÅÍ Æ÷ÇÔÇÕ´Ï´Ù.
 void write (byte[] b, int off, int len)
          ¹è¿­ b ·ÎºÎÅÍ len ¹ÙÀÌÆ®¸¦ Â÷·Ê·Î Ãâ·Â ½ºÆ®¸²¿¡ ±âÀÔÇÕ´Ï´Ù.
 void write (int b)
          Àμö b ÇÏÀ§ 8 ºñÆ®¸¦ Ãâ·Â ½ºÆ®¸²¿¡ ±âÀÔÇÕ´Ï´Ù.
 
Ŭ·¡½º javax.imageio.stream. ImageOutputStreamImpl ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
flushBits, write, writeBit, writeBits, writeBoolean, writeByte, writeBytes, writeChar, writeChars, writeChars, writeDouble, writeDoubles, writeFloat, writeFloats, writeInt, writeInts, writeLong, writeLongs, writeShort, writeShorts, writeUTF
 
Ŭ·¡½º javax.imageio.stream. ImageInputStreamImpl ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
checkClosed, finalize, flush, getBitOffset, getByteOrder, getFlushedPosition, getStreamPosition, mark, read, readBit, readBits, readBoolean, readByte, readBytes, readChar, readDouble, readFloat, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedInt, readUnsignedShort, readUTF, reset, seek, setBitOffset, setByteOrder, skipBytes, skipBytes
 
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
ÀÎÅÍÆäÀ̽º javax.imageio.stream. ImageInputStream ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
flush, getBitOffset, getByteOrder, getFlushedPosition, getStreamPosition, mark, read, readBit, readBits, readBoolean, readByte, readBytes, readChar, readDouble, readFloat, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedInt, readUnsignedShort, readUTF, reset, seek, setBitOffset, setByteOrder, skipBytes, skipBytes
 

»ý¼ºÀÚ »ó¼¼

MemoryCacheImageOutputStream

public MemoryCacheImageOutputStream(OutputStream  stream)
ÁöÁ¤µÈ outputStream ¿¡ ±âÀÔÇÏ´Â MemoryCacheImageOutputStream¸¦ ±¸ÃàÇÕ´Ï´Ù.

ÆÄ¶ó¹ÌÅÍ:
stream - ±âÀÔóÀÇ OutputStream
¿¹¿Ü:
IllegalArgumentException - stream °¡ null °æ¿ì
¸Þ¼­µåÀÇ »ó¼¼

read

public int read()
         throws IOException 
ÀÎÅÍÆäÀ̽º ImageInputStream ±â¼ú:
½ºÆ®¸²·ÎºÎÅÍ 1 ¹ÙÀÌÆ®¸¦ Àоîµé¿©, ±×°ÍÀ» 0 ¿¡¼­ 255 ±îÁöÀÇ Á¤¼ö·Î¼­ µ¹·ÁÁÝ´Ï´Ù. ½ºÆ®¸²ÀÇ ¸¶Áö¸·¿¡ À̸£¸é -1¸¦ µ¹·ÁÁÝ´Ï´Ù.

½ºÆ®¸²³»ÀÇ ºñÆ® ¿ÀÇÁ¼Â(offset)´Â read¸¦ ½Ç½ÃÇϱâ Àü¿¡ 0 ¿¡ ¸®¼ÂÆ® µË´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º ImageInputStream ³»ÀÇ read
Á¤ÀÇ:
Ŭ·¡½º ImageInputStreamImpl ³»ÀÇ read
¹Ýȯ°ª:
½ºÆ®¸²·ÎºÎÅÍÀÇ ¹ÙÀÌÆ®Ä¡ (int), ¶Ç´Â -1 (EOF¸¦ ³ªÅ¸³½´Ù)
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

read

public int read(byte[] b,
                int off,
                int len)
         throws IOException 
Ŭ·¡½º ImageInputStreamImpl ±â¼ú:
½ºÆ®¸²·ÎºÎÅÍ len ¹ÙÀÌÆ®±îÁö Àоîµé¿©,b ¿¡ À妽º off ·ÎºÎÅÍ Æ÷ÇÔÇÕ´Ï´Ù. ÀоîµéÀÎ ¹ÙÀÌÆ®¼ö¸¦ µ¹·ÁÁÝ´Ï´Ù. ½ºÆ®¸²ÀÇ ³¡¿¡ À̸£·¶±â ¶§¹®¿¡ ¹ÙÀÌÆ®¸¦ ÀоîµéÀÏ ¼ö ¾ø´Â °æ¿ì´Â -1À» µ¹·ÁÁÝ´Ï´Ù.

½ºÆ®¸²³»ÀÇ ºñÆ® ¿ÀÇÁ¼Â(offset)´Â read¸¦ ½Ç½ÃÇϱâ Àü¿¡ 0 ¿¡ ¸®¼ÂÆ® ÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù.

¼­ºê Ŭ·¡½º¿¡¼­ ÀÌ ¸Þ¼­µå¸¦ ±¸ÇöÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù. ¼­ºê Ŭ·¡½º ±¸ÇöÀ¸·Î Á¾·áÇϱâ Àü¿¡ ½ºÆ®¸² À§Ä¡¸¦ °»½ÅÇÕ´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º ImageInputStream ³»ÀÇ read
Á¤ÀÇ:
Ŭ·¡½º ImageInputStreamImpl ³»ÀÇ read
ÆÄ¶ó¹ÌÅÍ:
b - ±âÀÔÇØÁö´Â ¹ÙÀÌÆ® ¹è¿­
off - ±âÀÔóÀÇ b ³»ÀÇ °³½Ã À§Ä¡
len - ÀоîµéÀÌ´Â ÃÖ´ë ¹ÙÀÌÆ®¼ö
¹Ýȯ°ª:
½ÇÁ¦·Î ÀÐÈù ¹ÙÀÌÆ®¼ö, ¶Ç´Â EOF¸¦ ³ªÅ¸³½´Ù -1
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

write

public void write(int b)
           throws IOException 
ÀÎÅÍÆäÀ̽º DataOutput ±â¼ú:
Àμö b ÇÏÀ§ 8 ºñÆ®¸¦ Ãâ·Â ½ºÆ®¸²¿¡ ±âÀÔÇÕ´Ï´Ù. b »óÀ§ 24 ºñÆ®¿¡ ´ëÇØ¼­´Â ¹«½ÃµË´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º DataOutput ³»ÀÇ write
Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º ImageOutputStream ³»ÀÇ write
Á¤ÀÇ:
Ŭ·¡½º ImageOutputStreamImpl ³»ÀÇ write
ÆÄ¶ó¹ÌÅÍ:
b - ±âÀÔÇÏ´Â ¹ÙÀÌÆ®
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

write

public void write(byte[] b,
                  int off,
                  int len)
           throws IOException 
ÀÎÅÍÆäÀ̽º DataOutput ±â¼ú:
¹è¿­ b ·ÎºÎÅÍ len ¹ÙÀÌÆ®¸¦ Â÷·Ê·Î Ãâ·Â ½ºÆ®¸²¿¡ ±âÀÔÇÕ´Ï´Ù. b °¡ null °æ¿ì´Â NullPointerException °¡ Throw µË´Ï´Ù. off °¡ ºÎÀÇ °ªÀÇ °æ¿ì,len °¡ ºÎÀÇ °ªÀÇ °æ¿ì, ȤÀº off+len °¡ ¹è¿­ b ±æÀ̺¸´Ù Å« °æ¿ì¿¡´Â IndexOutOfBoundsException °¡ Throw µË´Ï´Ù. len °¡ Á¦·ÎÀÇ °æ¿ì, ±âÀÔÇØÁö´Â ¹ÙÀÌÆ®´Â ¾ø½À´Ï´Ù. ±×·¸Áö ¾ÊÀº °æ¿ì´Â ¿ì¼± ¹ÙÀÌÆ® b[off], ´ÙÀ½¿¡ b[off+1] ¿Í Â÷·ÊÂ÷·Ê ±âÀÔÇØÁ® ¸¶Áö¸·¿¡ ¹ÙÀÌÆ® b[off+len-1] °¡ ±âÀÔÇØÁý´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º DataOutput ³»ÀÇ write
Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º ImageOutputStream ³»ÀÇ write
Á¤ÀÇ:
Ŭ·¡½º ImageOutputStreamImpl ³»ÀÇ write
ÆÄ¶ó¹ÌÅÍ:
b - µ¥ÀÌÅÍ
off - µ¥ÀÌÅÍÀÇ °³½Ã ¿ÀÇÁ¼Â(offset)
len - ±âÀÔÇÏ´Â ¹ÙÀÌÆ®¼ö
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

length

public long length()
Ŭ·¡½º ImageInputStreamImpl ±â¼ú:
½ºÆ®¸²ÀÌ ¹ÌÁöÀÇ ±æÀÌÀÎ °ÍÀ» ³ªÅ¸³½´Ù -1L¸¦ µ¹·ÁÁÝ´Ï´Ù. ¼­ºê Ŭ·¡½º¿¡¼­ ÀÌ ¸Þ¼­µå¸¦ ¿À¹ö¶óÀ̵å(override) ÇØ, ½ÇÁ¦ÀÇ ±æÀÌÀÇ Á¤º¸¸¦ ÁöÁ¤ÇÒ Çʿ䰡 ÀÖ½À´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º ImageInputStream ³»ÀÇ length
¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º ImageInputStreamImpl ³»ÀÇ length
¹Ýȯ°ª:
¹ÌÁöÀÇ ±æÀ̸¦ ³ªÅ¸³½´Ù -1L

isCached

public boolean isCached()
ÈĹ濡ÀÇ ½ÃÅ©¸¦ °¡´ÉÇÏ°Ô Çϱâ À§Çؼ­, ÀÌ ImageOutputStream °¡ µ¥ÀÌÅ͸¦ ij½¬Çϱâ À§ÇØ,true °¡ µ¹·ÁÁÖ°íÁý´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º ImageInputStream ³»ÀÇ isCached
¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º ImageInputStreamImpl ³»ÀÇ isCached
¹Ýȯ°ª:
true
°ü·Ã Ç׸ñ:
isCachedMemory(), isCachedFile()

isCachedFile

public boolean isCachedFile()
ÀÌ mageOutputStream´Â ÆÄÀÏ Ä³½¬¸¦ À¯ÁöÇÏÁö ¾Ê±â ¶§¹®¿¡ false °¡ µ¹·ÁÁÖ°íÁý´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º ImageInputStream ³»ÀÇ isCachedFile
¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º ImageInputStreamImpl ³»ÀÇ isCachedFile
¹Ýȯ°ª:
false
°ü·Ã Ç׸ñ:
isCached(), isCachedMemory()

isCachedMemory

public boolean isCachedMemory()
ÀÌ ImageOutputStream´Â ¸ÞÀÎ ¸Þ¸ð¸® ij½¬¸¦ À¯ÁöÇϱâ À§ÇØ,true °¡ µ¹·ÁÁÖ°íÁý´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º ImageInputStream ³»ÀÇ isCachedMemory
¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º ImageInputStreamImpl ³»ÀÇ isCachedMemory
¹Ýȯ°ª:
true
°ü·Ã Ç׸ñ:
isCached(), isCachedFile()

close

public void close()
           throws IOException 
ÀÌ MemoryCacheImageOutputStream¸¦ ´Ý½À´Ï´Ù. º¸·ùÁßÀÇ µ¥ÀÌÅÍ´Â ¸ðµÎ Ãâ·Â¿¡ Ç÷¡½Ã µÇ¾î ij½¬´Â ÇØ¹æµË´Ï´Ù. Ãâ·Âó OutputStream´Â ´ÝÇôÁöÁö ¾Ê½À´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º ImageInputStream ³»ÀÇ close
¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º ImageInputStreamImpl ³»ÀÇ close
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

flushBefore

public void flushBefore(long pos)
                 throws IOException 
ÀÎÅÍÆäÀ̽º ImageInputStream ±â¼ú:
Áö½Ã¹ÞÀº À§Ä¡º¸´Ù ÀüÀÇ ÃʱâÀÇ ½ºÆ®¸² ºÎºÐÀ» ÆÄ±âÇÕ´Ï´Ù. ½ºÆ®¸²ÀÇ Ç÷¡½Ã µÈ ºÎºÐ³»ÀÇ ¿ÀÇÁ¼Â(offset)¿¡ ½ÃÅ© ÇÏ·Á°í Çϸé,IndexOutOfBoundsException ÀÌ Throw µË´Ï´Ù.

flushBefore¸¦ È£ÃâÇϸé, ÀÌ ÀÎÅÍÆäÀ̽º¸¦ ±¸ÇöÇϴ Ŭ·¡½º°¡, ½ºÆ®¸²·ÎºÎÅÍ µ¥ÀÌÅ͸¦ Æ÷ÇÔÇϴµ¥ »ç¿ëÇÏ´Â ¸Þ¸ð¸®³ª µð½ºÅ© ½ºÆäÀ̽ºµîÀÇ ÀÚ¿øÀ» ÇØ¹æÇÒ ¼ö ÀÖ½À´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º ImageInputStream ³»ÀÇ flushBefore
Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º ImageOutputStream ³»ÀÇ flushBefore
¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º ImageInputStreamImpl ³»ÀÇ flushBefore
ÆÄ¶ó¹ÌÅÍ:
pos - Ç÷¡½Ã µÇ´Â ÆÄÀÏ Á¢µÎ»çÀÇ ±æÀ̸¦ ³ªÅ¸³»´Â long
¿¹¿Ü:
IOException - ÀÔÃâ·Â ¿¡·¯°¡ ¹ß»ýÇßÀ» °æ¿ì

JavaTM 2 Platform
Standard Ed. 5.0

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