JavaTM 2 Platform
Standard Ed. 5.0

java.awt
Ŭ·¡½º AlphaComposite

java.lang.Object 
  »óÀ§¸¦ È®Àå java.awt.AlphaComposite
¸ðµç ±¸ÇöµÈ ÀÎÅÍÆäÀ̽º:
Composite

public final class AlphaComposite
extends Object
implements Composite

ÀÌ AlphaComposite Ŭ·¡½º´Â ±×·¡ÇÈ°ú À̹ÌÁöÀÇ È¥ÇÕÀÇ È¿°ú ¹× Åõ¸íÈ¿°ú¸¦ ½ÇÇöÇϱâ À§Çؼ­ Àü¼Û¿øÀÇ »ö°ú Àü¼ÛóÀÇ »öÀ» °áÇÕÇϱâ À§ÇÑ ±âº»ÀûÀÎ ¾ËÆÄ ÇÕ¼º ±ÔÄ¢À» ±¸ÇöÇÕ´Ï´Ù. ÀÌ Å¬·¡½º¿¡¼­ ±¸ÇöµÇ´Â ƯÁ¤ÀÇ ±ÔÄ¢Àº T. Porter ¹× T. Duff °øÀúÀÇ ¡¸Compositing Digital Images¡¹(SIGGRAPH 84, 253~259)¿¡ ±â¼úµÇ°í ÀÖ´Â ÀÏ·ÃÀÇ ±âº»ÀûÀÎ 12 ±ÔÄ¢ÀÔ´Ï´Ù. ÀÌ ¹®¼­¿¡¼­´Â ±× Àú¼­·Î ¼³¸íµÇ°í ÀÖ´Â Á¤ÀÇ ¹× °³³ä¿¡ ´ëÇØ, ¾î´À Á¤µµÀÇ Áö½ÄÀÌ ÀÖ´Â °ÍÀ» ÀüÁ¦·Î ÇÏ°í ÀÖ½À´Ï´Ù.

ÀÌ Å¬·¡½º´Â Porter¿Í Duff¿¡ ÀÇÇØ Á¤ÀÇµÈ Ç¥ÁØÀÇ ½ÄÀ» È®ÀåÇØ, °è¼ö¸¦ 1°³ Ãß°¡ÇÏ°í ÀÖ½À´Ï´Ù. AlphaComposite Ŭ·¡½ºÀÇ ÀνºÅϽº¿¡´Â ÇÕ¼º½Ä¿¡¼­ »ç¿ëÇϱâ Àü¿¡ Àü¼Û¿øÀÇ Çȼ¿ÀÇ Åõ¸íµµ³ª ¹üÀ§¸¦ º¯°æÇÒ ¼ö ÀÖ´Â ¾ËÆÄ°ªÀ» Æ÷ÇÔÇÒ ¼ö ÀÖ½À´Ï´Ù.

Porter¿Í Duff Àú¼­·Î Á¤ÀÇµÈ ½ÄÀº ¸ðµÎ, ´ëÀÀÇÏ´Â ¾ËÆÄ ¼ººÐ¿¡ ÀÇÇØ ¹Ì¸® °ö¼ÀµÈ »ö¼ººÐÀ» ó¸®Çϵµ·Ï Á¤Àǵǰí ÀÖ½À´Ï´Ù. ColorModel Ŭ·¡½º ¹× Raster Ŭ·¡½º¿¡¼­´Â Çȼ¿ µ¥ÀÌÅ͸¦ ¹Ì¸® °ö¼ÀµÈ Çü½Ä¿¡¼­µµ, °ö¼ÀµÇ¾î ÀÖÁö ¾ÊÀº Çü½Ä¿¡¼­µµ º¸Á¸ÇÒ ¼ö Àֱ⠶§¹®¿¡ ½ÄÀ» Àû¿ëÇϱâ Àü¿¡ ¸ðµç ÀÔ·Â µ¥ÀÌÅ͸¦ ¹Ì¸® °ö¼ÀµÈ Çü½Ä¿¡ Á¤±ÔÈ­ÇÒ ÇÊ¿ä°¡ ÀÖ¾î, Çȼ¿Ä¡¸¦ Æ÷ÇÔÇϱâ Àü¿¡ ¸ðµç °á°ú¸¦ Àü¼Û ¸ÕÀú µû¶ó ¿ä±¸µÈ Çü½Ä¿¡ Á¶Á¤ÇØ µÇµ¹¸®Áö ¾ÊÀ¸¸é ¾È µÉ °¡´É¼ºÀÌ ÀÖ½À´Ï´Ù.

ÀÌ Å¬·¡½º¿¡¼­ Á¤ÀÇÇÏ´Â °ÍÀº ¼ø¼öÇÑ ¼öÇÐÀû °ü³ä¿¡ À־ÀÇ »ö°ú ¾ËÆÄ°ª ÀÇ ÇÕ¼ºÀÇ ½Ä »ÓÀÔ´Ï´Ù. ÀÌ ½ÄÀÇ Á¤È®ÇÑ Àû¿ëÀº µ¥ÀÌÅ͸¦ Àü¼Û¿øÀ¸·ÎºÎÅÍ ÃëµæÇØ, Àü¼Û ¸ÕÀú º¸ÀÇÁ¸µÈ ¹æ¹ý¿¡ µû¶ó¼­ ´Ù¸¨´Ï´Ù. ÀÚ¼¼ÇÑ °ÍÀº¡¸±¸ÇöÀÇ ÁÖÀÇ¡¹¸¦ ÂüÁ¶ÇϽʽÿÀ.

Porter¿Í Duff Àú¼­¿¡¼­´Â ÇÕ¼º½ÄÀÇ ¼³¸íÀ¸·Î ´ÙÀ½ÀÇ °è¼ö°¡ »ç¿ëµÇ°í ÀÖ½À´Ï´Ù.

°è¼ö   Á¤ÀÇ
AsÀü¼Û¿øÇȼ¿ÀÇ ¾ËÆÄ ¼ººÐ
Cs¹Ì¸® °ö¼ÀµÈ Çü½Ä¿¡¼­ÀÇ Àü¼Û¿øÇȼ¿ÀÇ »ö¼ººÐ
AdÀü¼Ûó Çȼ¿ÀÇ ¾ËÆÄ ¼ººÐ
Cd¹Ì¸® °ö¼ÀµÈ Çü½Ä¿¡¼­ÀÇ Àü¼Ûó Çȼ¿ÀÇ »ö¼ººÐ
FsÀü¼Û¿øÇȼ¿ °¡¿îµ¥, Ãâ·Â¿¡ °ü°èµÈ ºÎºÐ
FdÀü¼Ûó Çȼ¿ °¡¿îµ¥, Ãâ·Â¿¡ °ü°èµÈ ºÎºÐ
Ar°á°úÀÇ ¾ËÆÄ ¼ººÐ
Cr¹Ì¸® °ö¼ÀµÈ Çü½Ä¿¡¼­ÀÇ °á°úÀÇ »ö¼ººÐ

ÀÌ»óÀÇ °è¼ö¸¦ »ç¿ëÇØ, Porter¿Í Duff´Â ÇÕ¼º °è¼ö Fs ¹× Fd¸¦ ¼±ÅÃÇØ, 12 Á¾·ùÀÇ ¸ñÀûÀÇ ½Ã°¢ È¿°ú¸¦ »ý¼ºÇÏ´Â 12 ¹æ¹ýÀÇ ¹æ¹ýÀ» Á¤ÀÇÇÏ°í ÀÖ½À´Ï´Ù. Fs ¹× Fd¸¦ °áÁ¤ÇÏ´Â ½ÄÀº ½Ã°¢ È¿°ú¸¦ ÁöÁ¤ÇÏ´Â 12 static ÇʵåÀÇ ±â¼ú·Î ÁöÁ¤ÇÕ´Ï´Ù. ¿¹¸¦ µé¾î, SRC_OVER ±â¼ú¿¡¼­´Â Fs = 1 ¹× Fd = (1-As)¸¦ ÁöÁ¤ÇÕ´Ï´Ù. ÇÕ¼º °è¼ö¸¦ °áÁ¤ÇÏ´Â ÀÏ·ÃÀÇ ½ÄÀ» ¾Ë ¼ö ÀÖÀ¸¸é, ±×°ÍµéÀ» °¢ Çȼ¿¿¡ Àû¿ëÇØ, ´ÙÀ½ÀÇ ÀÏ·ÃÀÇ ½ÄÀ» »ç¿ëÇØ, °á°ú¸¦ »ý¼ºÇÒ ¼ö ÀÖ½À´Ï´Ù.


        Fs = f(Ad)
        Fd = f(As)
        Ar = As*Fs + Ad*Fd
        Cr = Cs*Fs + Cd*Fd

¾Æ·¡ÀÇ °è¼ö¸¦ »ç¿ëÇØ, Porter¿Í Duff Àú¼­ÀÇ ÇÕ¼º½ÄÀÇ È®ÀåÀ» ¼³¸íÇÕ´Ï´Ù.

°è¼ö   Á¤ÀÇ
Csr Àü¼Û¿øÇȼ¿ÀÇ raw »ö¼ººÐÀÇ 1°³
Cdr Àü¼Ûó Çȼ¿ÀÇ raw »ö¼ººÐÀÇ 1°³
Aac AlphaComposite ÀνºÅϽºÀÇ ¡¸Æ¯¼ö¡¹¾ËÆÄ ¼ººÐ
Asr Àü¼Û¿øÇȼ¿ÀÇ raw ¾ËÆÄ ¼ººÐ
AdrÀü¼Ûó Çȼ¿ÀÇ raw ¾ËÆÄ ¼ººÐ
Adf Àü¼Û ¸ÕÀú º¸Á¸µÇ´Â ÃÖÁ¾ ¾ËÆÄ ¼ººÐ
Cdf Àü¼Û ¸ÕÀú º¸Á¸µÇ´Â ÃÖÁ¾ raw »ö¼ººÐ

ÀÔ·ÂÀÇ Áغñ

AlphaComposite Ŭ·¡½º´Â Àü¼Û¿øÀÇ ¾ËÆÄ¿¡ Àû¿ëÇÏ´Â Ãß°¡ÀÇ ¾ËÆÄ°ªÀ» Á¤ÀÇÇÕ´Ï´Ù. ÀÌ °ªÀº, AlphaComposite ¾ËÆÄ¿¡ ÀÇÇØ raw Àü¼Û¿ø¾ËÆÄ¿Í raw Àü¼Û¿ø»öÀÇ ¾çÂÊ ¸ðµÎ¸¦ °ö¼ÀÇØ ÁöÁ¤µÈ ¾ËÆĸ¦ °¡Áö´Â Çȼ¿¿¡ ´ëÇؼ­ ÃÖÃÊ·Î ¾Ï¹¬ÀûÀÎ SRC_IN ±ÔÄ¢À» Àü¼Û¿øÇȼ¿¿¡ Àû¿ëÇÏ°í ÀÖ´Â°Í °°ÀÌ Àû¿ëÇÕ´Ï´Ù. ÀÌ°ÍÀº Porter¿Í Duff ÇÕ¼º½Ä¿¡¼­ »ç¿ëµÇ´Â ¾ËÆĸ¦ »ý¼ºÇÏ´Â ´ÙÀ½°ú °°Àº ½ÄÀÌ µË´Ï´Ù.


        As = Asr * Aac 
Àü¼Û¿ø raw »ö¼ººÐÀº ¸ðµÎ AlphaCompositeÀνºÅϽºÀÇ ¾ËÆÄ¿¡¼­ °ö¼ÀÇÒ ÇÊ¿ä°¡ ÀÖ½À´Ï´Ù. °Ô´Ù°¡ Àü¼Û¿øÀÌ ¹Ì¸® °ö¼ÀµÈ Çü½ÄÀÌ ¾Æ´Ñ °æ¿ì¿¡ »ö¼ººÐÀ» Àü¼Û¿ø¾ËÆÄ¿¡¼­ °ö¼ÀÇÒ ÇÊ¿ä°¡ ÀÖ½À´Ï´Ù. ±× ¶§¹®¿¡ Porter¿Í Duff ½ÄÀÇ Àü¼Û¿ø»ö¼ººÐÀ» »ý¼ºÇÏ´Â ½ÄÀº Àü¼Û¿øÇȼ¿ÀÌ ¹Ì¸® °ö¼ÀµÇ°í ÀÖ´ÂÁö ¾î¶²Áö¿¡ µû¶ó¼­ ´Ù¸¨´Ï´Ù.

        Cs = Csr * Asr * Aac     (Àü¼Û¿øÀÌ ¹Ì¸® °ö¼ÀµÇ¾î ÀÖÁö ¾ÊÀº °æ¿ì) 
        Cs = Csr * Aac           (Àü¼Û¿øÀÌ ¹Ì¸® °ö¼ÀµÇ°í ÀÖ´Â °æ¿ì) 
Àü¼Û¿ø¾ËÆĸ¦ Á¶Á¤ÇÒ ÇÊ¿ä´Â ¾ø½À´Ï´Ù.

        Ad = Adr 

Àü¼ÛóÀÇ »ö¼ººÐÀº ¹Ì¸® °ö¼ÀµÈ Çü½ÄÀÌ ¾Æ´Ñ °æ¿ì¿¡°Ô¸¸ Á¶Á¤ÇÒ ÇÊ¿ä°¡ ÀÖ½À´Ï´Ù.


        Cd = Cdr * Ad    (Àü¼Ûó°¡ ¹Ì¸® °ö¼ÀµÇ¾î ÀÖÁö ¾ÊÀº °æ¿ì) 
        Cd = Cdr          (Àü¼Ûó°¡ ¹Ì¸® °ö¼ÀµÇ°í ÀÖ´Â °æ¿ì) 

ÇÕ¼º½ÄÀÇ Àû¿ë

Á¶Á¤ÇÊ º¸°íÀÇ As, Ad, Cs ¹× Cd¸¦ Ç¥ÁØ Porter¿Í Duff ½Ä¿¡¼­ »ç¿ëÇØ, ÇÕ¼º °è¼ö Fs ¹× Fd¸¦ °è»êÇØ, ´ÙÀ½¿¡ °á°úÀÇ ¹Ì¸® °ö¼ÀµÇ°í ÀÖ´Â ¼ººÐ Ar ¹× Cr¸¦ °è»êÇÕ´Ï´Ù.

°á°úÀÇ Áغñ

°á°ú´Â ¹Ì¸® °ö¼ÀµÇ¾î ÀÖÁö ¾ÊÀº µ¥ÀÌÅ͸¦ Æ÷ÇÔÇÏ´Â Àü¼Ûó ¹öÆÛ¿¡ µÇµ¹¸®´Â °æ¿ì¿¡°Ô¸¸, ´ÙÀ½ÀÇ ½ÄÀ» »ç¿ëÇØ Á¶Á¤ÇÒ ÇÊ¿ä°¡ ÀÖ½À´Ï´Ù.


        Adf = Ar
        Cdf = Cr                (Àü¼Ûó°¡ ¹Ì¸® °ö¼ÀµÇ°í ÀÖ´Â °æ¿ì)
        Cdf = Cr / Ar            (Àü¼Ûó°¡ ¹Ì¸® °ö¼ÀµÇ¾î ÀÖÁö ¾ÊÀº °æ¿ì)
°á°úÀÇ ¾ËÆÄ°¡ Á¦·ÎÀÇ °æ¿ìÀÇ Á¦»êÀº Á¤ÀǵǾî ÀÖÁö ¾Ê±â ¶§¹®¿¡ ±× °æ¿ìÀÇ Á¦»êÀº ¹«½ÃÇØ ¡¸Á¦·Î·Î Á¦»ê¡¹À» ÇÇÇØ »ö¼ººÐÀº ¸ðµÎ Á¦·Î´ë·ÎÀÇÇØ µÓ´Ï´Ù.

ÆÛÆ÷¸Õ½º»óÀÇ Á¦¾à

ÆÛÆ÷¸Õ½º»óÀÇ ÀÌÀ¯À̱⠶§¹®¿¡ AlphaComposite Ŭ·¡½º¿¡ ÀÇÇØ ÀÛ¼ºµÇ´Â CompositeContext °´Ã¼ÀÇ compose ¸Þ¼­µå¿¡ °Ç³×ÁÖ´Â Raster °´Ã¼¿¡´Â ¹Ì¸® °ö¼ÀµÈ µ¥ÀÌÅ͸¦ »ç¿ëÇÏ´Â °ÍÀ» ÃßõÇÕ´Ï´Ù. Àü¼Û¿ø Raster ¶Ç´Â Àü¼Ûó Raster ¾î´À ÂÊÀÎÁö°¡ ¹Ì¸® °ö¼ÀµÇ¾î ÀÖÁö ¾ÊÀº °æ¿ì, ÇÕ¼º ó¸®ÀÇ ÀüÈÄ¿¡ ÀûÀýÇÑ º¯È¯À» ½Ç½ÃÇÕ´Ï´Ù.

±¸ÇöÀÇ ÁÖÀÇ

°ü·Ã Ç׸ñ:
Composite, CompositeContext

ÇÊµå °³¿ä
static AlphaComposite Clear
          1. 0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ CLEAR ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.
static int CLEAR
          Àü¼ÛóÀÇ »ö ¹× ¾ËÆÄÀÇ ¾çÂÊ ¸ðµÎ°¡ Ŭ¸®¾î µË´Ï´Ù (Porter-Duff Clear ±ÔÄ¢).
static AlphaComposite Dst
          1. 0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ DST ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.
static int DST
          Àü¼Ûó´Â º¯°æµÇÁö ¾Ê½À´Ï´Ù (Porter-Duff Destination ±ÔÄ¢).
static int DST_ATOP
          Àü¼ÛóÀÇ Àü¼Û¿ø³»ºÎ¿¡ ÀÖ´Â ºÎºÐÀÌ, Àü¼Û ¹ÙÅÁÀ¸·Î °ÅµìÇØ ¸ÂÃâ ¼ö ÀÖ¾î ÀÌ °á°ú »ý¼ºµÈ »öÀ¸·Î Àü¼Ûó¸¦ ¿Å°Ü³õÀ» ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Destination Atop Source ±ÔÄ¢).
static int DST_IN
          Àü¼ÛóÀÇ Àü¼Û¿øÀÇ ³»ºÎ¿¡ ÀÖ´Â ºÎºÐ¿¡¼­ Àü¼Ûó¸¦ ¿Å°Ü³õÀ» ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Destination In Source ±ÔÄ¢).
static int DST_OUT
          Àü¼ÛóÀÇ Àü¼Û¿øÀÇ ¹Û¿¡ ÀÖ´Â ºÎºÐ¿¡¼­ Àü¼Ûó¸¦ ¿Å°Ü³õÀ» ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Destination Held Out By Source ±ÔÄ¢).
static int DST_OVER
          Àü¼Ûó´Â Àü¼Û¿ø ¿ì¿¡¿¡ °ãÃÄ ¸ÂÃâ ¼ö ÀÖ¾î ÀÌ °á°ú »ý¼ºµÈ »öÀ¸·Î Àü¼Ûó¸¦ ¿Å°Ü³õÀ» ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Destination Over Source ±ÔÄ¢).
static AlphaComposite DstAtop
          1. 0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ DST_ATOP ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.
static AlphaComposite DstIn
          1. 0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ DST_IN ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.
static AlphaComposite DstOut
          1. 0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ DST_OUT ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.
static AlphaComposite DstOver
          1. 0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ DST_OVER ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.
static AlphaComposite Src
          1. 0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ SRC ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.
static int SRC
          Àü¼Û¿øÀÌ Àü¼Û ¸ÕÀú º¹»çµË´Ï´Ù (Porter-Duff Source ±ÔÄ¢).
static int SRC_ATOP
          Àü¼Û¿øÀÇ Àü¼Ûó ³»ºÎ¿¡ ÀÖ´Â ºÎºÐÀÌ, Àü¼Û ¸ÕÀú °ÅµìÇØ ¹èÇÕÇÒ ¼ö ÀÖ½À´Ï´Ù(Porter-Duff Source Atop Destination ±ÔÄ¢).
static int SRC_IN
          Àü¼Û¿øÀÇ Àü¼Ûó ³»ºÎ¿¡ ÀÖ´Â ºÎºÐ¿¡¼­ Àü¼Ûó¸¦ ¿Å°Ü³õÀ» ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Source In Destination ±ÔÄ¢).
static int SRC_OUT
          Àü¼Û¿øÀÇ Àü¼ÛóÀÇ ¹Û¿¡ ÀÖ´Â ºÎºÐ¿¡¼­ Àü¼Ûó¸¦ ¿Å°Ü³õÀ» ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Source Held Out By Destination ±ÔÄ¢).
static int SRC_OVER
          Àü¼Û¿ø·¡´Â Àü¼Ûó ¿ì¿¡¿¡ °ãÃÄ ¸ÂÃâ ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Source Over Destination ±ÔÄ¢).
static AlphaComposite SrcAtop
          1. 0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ SRC_ATOP ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.
static AlphaComposite SrcIn
          1. 0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ SRC_IN ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.
static AlphaComposite SrcOut
          1. 0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ SRC_OUT ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.
static AlphaComposite SrcOver
          1. 0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ SRC_OVER ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.
static AlphaComposite Xor
          1. 0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ XOR ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.
static int XOR
          Àü¼Û¿øÀÇ Àü¼ÛóÀÇ ¹Û¿¡ ÀÖ´Â ºÎºÐÀÌ, Àü¼ÛóÀÇ Àü¼Û¿øÀÇ ¹Û¿¡ ÀÖ´Â ºÎºÐ°ú È¥Çյ˴ϴ٠(Porter-Duff Source Xor Destination ±ÔÄ¢).
 
¸Þ¼­µå °³¿ä
 CompositeContext createContext (ColorModel  srcColorModel, ColorModel  dstColorModel, RenderingHints  hints)
          ÇÕ¼º Á¶ÀÛÀÇ ÄÁÅؽºÆ®¸¦ ÀÛ¼ºÇÕ´Ï´Ù.
 boolean equals (Object  obj)
          ÁöÁ¤ÇÑ °´Ã¼°¡ ÀÌ AlphaComposite¿Í °°ÀºÁö ¾î¶²Áö¸¦ ÆÇÁ¤ÇÕ´Ï´Ù.
 float getAlpha ()
          ÀÌ AlphaComposiste ¾ËÆÄ°ªÀ» ¸®ÅÏÇÕ´Ï´Ù.
static AlphaComposite getInstance (int rule)
          ÁöÁ¤µÈ ±ÔÄ¢À» »ç¿ëÇØ AlphaComposite °´Ã¼¸¦ »ý¼ºÇÕ´Ï´Ù.
static AlphaComposite getInstance (int rule, float alpha)
          ÁöÁ¤µÈ ±ÔÄ¢°ú Àü¼Û¿øÀÇ ¾ËÆÄ¿¡ °Å´Â Á¤¼ö ¾ËÆĸ¦ »ç¿ëÇØ AlphaComposite °´Ã¼¸¦ »ý¼ºÇÕ´Ï´Ù.
 int getRule ()
          ÀÌ AlphaComposite ÇÕ¼º ±ÔÄ¢À» ¸®ÅÏÇÕ´Ï´Ù.
 int hashCode ()
          ÀÌ ÇÕ¼ºÀÇ Çؽà Äڵ带 ¸®ÅÏÇÕ´Ï´Ù.
 
Ŭ·¡½º java.lang. Object ·ÎºÎÅÍ »ó¼ÓµÈ ¸Þ¼­µå
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

ÇʵåÀÇ »ó¼¼

CLEAR

public static final int CLEAR
Àü¼ÛóÀÇ »ö ¹× ¾ËÆÄÀÇ ¾çÂÊ ¸ðµÎ°¡ Ŭ¸®¾î µË´Ï´Ù (Porter-Duff Clear ±ÔÄ¢). Àü¼Û¿ø°ú Àü¼ÛóÀÇ ¾î´ÀÂÊÀ̳ª ÀÔ·ÂÀ¸·Î¼­ »ç¿ëµÇÁö ¾Ê½À´Ï´Ù.

Fs = 0, Fd = 0ÀÎ °æ¿ì, ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.

        Ar = 0      Cr = 0

°ü·Ã Ç׸ñ:
Á¤¼ö Çʵ尪

SRC

public static final int SRC
Àü¼Û¿øÀÌ Àü¼Û ¸ÕÀú º¹»çµË´Ï´Ù (Porter-Duff Source ±ÔÄ¢). Àü¼Ûó´Â ÀÔ·ÂÀ¸·Î¼­ »ç¿ëµÇÁö ¾Ê½À´Ï´Ù.

Fs = 1, Fd = 0ÀÎ °æ¿ì, ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.

        Ar = As         Cr = Cs

°ü·Ã Ç׸ñ:
Á¤¼ö Çʵ尪

DST

public static final int DST
Àü¼Ûó´Â º¯°æµÇÁö ¾Ê½À´Ï´Ù (Porter-Duff Destination ±ÔÄ¢).

Fs = 0, Fd = 1ÀÎ °æ¿ì, ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.

        Ar = Ad         Cr = Cd

µµÀÔµÈ ¹öÀü :
1.4
°ü·Ã Ç׸ñ:
Á¤¼ö Çʵ尪

SRC_OVER

public static final int SRC_OVER
Àü¼Û¿ø·¡´Â Àü¼Ûó ¿ì¿¡¿¡ °ãÃÄ ¸ÂÃâ ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Source Over Destination ±ÔÄ¢).

Fs = 1, Fd = (1-As)ÀÇ °æ¿ì, ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.

        Ar = As + Ad*(1-As)     Cr = Cs + Cd*(1-As)

°ü·Ã Ç׸ñ:
Á¤¼ö Çʵ尪

DST_OVER

public static final int DST_OVER
Àü¼Ûó´Â Àü¼Û¿ø ¿ì¿¡¿¡ °ãÃÄ ¸ÂÃâ ¼ö ÀÖ¾î ÀÌ °á°ú »ý¼ºµÈ »öÀ¸·Î Àü¼Ûó¸¦ ¿Å°Ü³õÀ» ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Destination Over Source ±ÔÄ¢).

Fs = (1-Ad), Fd = 1ÀÎ °æ¿ì, ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.

        Ar = As*(1-Ad) + Ad     Cr = Cs*(1-Ad) + Cd

°ü·Ã Ç׸ñ:
Á¤¼ö Çʵ尪

SRC_IN

public static final int SRC_IN
Àü¼Û¿øÀÇ Àü¼Ûó ³»ºÎ¿¡ ÀÖ´Â ºÎºÐ¿¡¼­ Àü¼Ûó¸¦ ¿Å°Ü³õÀ» ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Source In Destination ±ÔÄ¢).

Fs = Ad, Fd = 0ÀÎ °æ¿ì, ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.

        Ar = As*Ad  Cr = Cs*Ad

°ü·Ã Ç׸ñ:
Á¤¼ö Çʵ尪

DST_IN

public static final int DST_IN
Àü¼ÛóÀÇ Àü¼Û¿øÀÇ ³»ºÎ¿¡ ÀÖ´Â ºÎºÐ¿¡¼­ Àü¼Ûó¸¦ ¿Å°Ü³õÀ» ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Destination In Source ±ÔÄ¢).

Fs = 0, Fd = AsÀÎ °æ¿ì, ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.

        Ar = Ad*As  Cr = Cd*As

°ü·Ã Ç׸ñ:
Á¤¼ö Çʵ尪

SRC_OUT

public static final int SRC_OUT
Àü¼Û¿øÀÇ Àü¼ÛóÀÇ ¹Û¿¡ ÀÖ´Â ºÎºÐ¿¡¼­ Àü¼Ûó¸¦ ¿Å°Ü³õÀ» ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Source Held Out By Destination ±ÔÄ¢).

Fs = (1-Ad), Fd = 0ÀÎ °æ¿ì, ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.

        Ar = As*(1-Ad)      Cr = Cs*(1-Ad)

°ü·Ã Ç׸ñ:
Á¤¼ö Çʵ尪

DST_OUT

public static final int DST_OUT
Àü¼ÛóÀÇ Àü¼Û¿øÀÇ ¹Û¿¡ ÀÖ´Â ºÎºÐ¿¡¼­ Àü¼Ûó¸¦ ¿Å°Ü³õÀ» ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Destination Held Out By Source ±ÔÄ¢).

Fs = 0, Fd = (1-As)ÀÇ °æ¿ì, ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.

        Ar = Ad*(1-As)      Cr = Cd*(1-As)

°ü·Ã Ç׸ñ:
Á¤¼ö Çʵ尪

SRC_ATOP

public static final int SRC_ATOP
Àü¼Û¿øÀÇ Àü¼Ûó ³»ºÎ¿¡ ÀÖ´Â ºÎºÐÀÌ, Àü¼Û ¸ÕÀú °ÅµìÇØ ¹èÇÕÇÒ ¼ö ÀÖ½À´Ï´Ù(Porter-Duff Source Atop Destination ±ÔÄ¢).

Fs = Ad, Fd = (1-As)ÀÇ °æ¿ì, ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.

        Ar = As*Ad + Ad*(1-As) = Ad     Cr = Cs*Ad + Cd*(1-As)

µµÀÔµÈ ¹öÀü :
1.4
°ü·Ã Ç׸ñ:
Á¤¼ö Çʵ尪

DST_ATOP

public static final int DST_ATOP
Àü¼ÛóÀÇ Àü¼Û¿ø³»ºÎ¿¡ ÀÖ´Â ºÎºÐÀÌ, Àü¼Û ¹ÙÅÁÀ¸·Î °ÅµìÇØ ¸ÂÃâ ¼ö ÀÖ¾î ÀÌ °á°ú »ý¼ºµÈ »öÀ¸·Î Àü¼Ûó¸¦ ¿Å°Ü³õÀ» ¼ö ÀÖ½À´Ï´Ù (Porter-Duff Destination Atop Source ±ÔÄ¢).

Fs = (1-Ad), Fd = AsÀÎ °æ¿ì, ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.

        Ar = As*(1-Ad) + Ad*As = As     Cr = Cs*(1-Ad) + Cd*As

µµÀÔµÈ ¹öÀü :
1.4
°ü·Ã Ç׸ñ:
Á¤¼ö Çʵ尪

XOR

public static final int XOR
Àü¼Û¿øÀÇ Àü¼ÛóÀÇ ¹Û¿¡ ÀÖ´Â ºÎºÐÀÌ, Àü¼ÛóÀÇ Àü¼Û¿øÀÇ ¹Û¿¡ ÀÖ´Â ºÎºÐ°ú È¥Çյ˴ϴ٠(Porter-Duff Source Xor Destination ±ÔÄ¢).

Fs = (1-Ad), Fd = (1-As)ÀÇ °æ¿ì, ´ÙÀ½°ú °°ÀÌ µË´Ï´Ù.

        Ar = As*(1-Ad) + Ad*(1-As)  Cr = Cs*(1-Ad) + Cd*(1-As)

µµÀÔµÈ ¹öÀü :
1.4
°ü·Ã Ç׸ñ:
Á¤¼ö Çʵ尪

Clear

public static final AlphaComposite  Clear
1.0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ CLEAR ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.

°ü·Ã Ç׸ñ:
CLEAR

Src

public static final AlphaComposite  Src
1.0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ SRC ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.

°ü·Ã Ç׸ñ:
SRC

Dst

public static final AlphaComposite  Dst
1.0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ DST ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.

µµÀÔµÈ ¹öÀü :
1.4
°ü·Ã Ç׸ñ:
DST

SrcOver

public static final AlphaComposite  SrcOver
1.0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ SRC_OVER ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.

°ü·Ã Ç׸ñ:
SRC_OVER

DstOver

public static final AlphaComposite  DstOver
1.0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ DST_OVER ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.

°ü·Ã Ç׸ñ:
DST_OVER

SrcIn

public static final AlphaComposite  SrcIn
1.0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ SRC_IN ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.

°ü·Ã Ç׸ñ:
SRC_IN

DstIn

public static final AlphaComposite  DstIn
1.0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ DST_IN ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.

°ü·Ã Ç׸ñ:
DST_IN

SrcOut

public static final AlphaComposite  SrcOut
1.0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ SRC_OUT ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.

°ü·Ã Ç׸ñ:
SRC_OUT

DstOut

public static final AlphaComposite  DstOut
1.0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ DST_OUT ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.

°ü·Ã Ç׸ñ:
DST_OUT

SrcAtop

public static final AlphaComposite  SrcAtop
1.0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ SRC_ATOP ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.

µµÀÔµÈ ¹öÀü :
1.4
°ü·Ã Ç׸ñ:
SRC_ATOP

DstAtop

public static final AlphaComposite  DstAtop
1.0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ DST_ATOP ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.

µµÀÔµÈ ¹öÀü :
1.4
°ü·Ã Ç׸ñ:
DST_ATOP

Xor

public static final AlphaComposite  Xor
1.0f ¾ËÆĸ¦ °¡Áö´Â ºÒÅõ¸íÀÇ XOR ±ÔÄ¢À» ±¸ÇöÇÏ´Â AlphaComposite °´Ã¼ÀÔ´Ï´Ù.

µµÀÔµÈ ¹öÀü :
1.4
°ü·Ã Ç׸ñ:
XOR
¸Þ¼­µåÀÇ »ó¼¼

getInstance

public static AlphaComposite  getInstance(int rule)
ÁöÁ¤µÈ ±ÔÄ¢À» »ç¿ëÇØ AlphaComposite °´Ã¼¸¦ »ý¼ºÇÕ´Ï´Ù.

ÆĶó¹ÌÅÍ:
rule - ÇÕ¼º ±ÔÄ¢
¿¹¿Ü:
IllegalArgumentException - rule°¡ CLEAR, SRC, DST, SRC_OVER, DST_OVER, SRC_IN, DST_IN, SRC_OUT, DST_OUT, SRC_ATOP, DST_ATOP, ¶Ç´Â XOR ¾î¶² °Íµµ ¾Æ´Ñ °æ¿ì

getInstance

public static AlphaComposite  getInstance(int rule,
                                         float alpha)
ÁöÁ¤µÈ ±ÔÄ¢°ú Àü¼Û¿øÀÇ ¾ËÆÄ¿¡ °Å´Â Á¤¼ö ¾ËÆĸ¦ »ç¿ëÇØ AlphaComposite °´Ã¼¸¦ »ý¼ºÇÕ´Ï´Ù. Àü¼Ûó¿Í ÇÕ¼ºµÇ±â Àü¿¡ Àü¼Û¿ø·¡´Â ÁöÁ¤µÈ ¾ËÆÄ¿¡¼­ °ö¼ÀµË´Ï´Ù.

ÆĶó¹ÌÅÍ:
rule - ÇÕ¼º ±ÔÄ¢
alpha - Àü¼Û¿øÀÇ ¾ËÆÄ¿¡ °Å´Â Á¤¼ö ¾ËÆÄ. alpha´Â ¹üÀ§ [0.0,  1. 0] (¾ç´ÜÀ» Æ÷ÇÔÇÑ´Ù)ÀÇ ºÎµ¿ ¼Ò¼öÁ¡¼ö(½Ç¼ö)°ªÀÌ ¾Æ´Ï¸é ¾ÈµÈ´Ù
¿¹¿Ü:
IllegalArgumentException - alpha°¡ 0.0 ¹Ì¸¸ ¶Ç´Â 1.0 º¸´Ù Å«Áö, ¶Ç´Â rule°¡ CLEAR, SRC, DST, SRC_OVER, DST_OVER, SRC_IN, DST_IN, SRC_OUT, DST_OUT, SRC_ATOP, DST_ATOP, ¶Ç´Â XOR ¾î¶² °Íµµ ¾Æ´Ñ °æ¿ì

createContext

public CompositeContext  createContext(ColorModel  srcColorModel,
                                      ColorModel  dstColorModel,
                                      RenderingHints  hints)
ÇÕ¼º Á¶ÀÛÀÇ ÄÁÅؽºÆ®¸¦ ÀÛ¼ºÇÕ´Ï´Ù. ÄÁÅؽºÆ®¿¡ ´Â ÇÕ¼º Á¶ÀÛÀ» ½ÇÇàÇÏ´Â °æ¿ì »óÅ°¡ ¼³Á¤µË´Ï´Ù.

Á¤ÀÇ:
ÀÎÅÍÆäÀ̽º Composite ³»ÀÇ createContext
ÆĶó¹ÌÅÍ:
srcColorModel - Àü¼Û¿ø ColorModel
dstColorModel - Àü¼ÛóÀÇ ColorModel
hints - ÄÁÅؽºÆ® °´Ã¼°¡ ·»´õ¸µÀÇ ¼±ÅûçÇ×À» ¼±ÅÃÇÒ °æ¿ì¿¡ »ç¿ëÇÏ´Â ÈùÆ®
¹Ýȯ°ª:
ÇÕ¼º Á¶ÀÛÀ» ½ÇÇàÇϱâ À§Çؼ­ »ç¿ëµÇ´Â CompositeContext °´Ã¼

getAlpha

public float getAlpha()
ÀÌ AlphaComposiste ¾ËÆÄ°ªÀ» ¸®ÅÏÇÕ´Ï´Ù. ÀÌ AlphaComposiste°¡ ¾ËÆÄ°ªÀ» °¡ÁöÁö ¾Ê´Â °æ¿ì´Â 1.0 ÀÌ ¸®Åϵ˴ϴ٠.

¹Ýȯ°ª:
ÀÌ AlphaComposite ¾ËÆÄ°ª

getRule

public int getRule()
ÀÌ AlphaComposite ÇÕ¼º ±ÔÄ¢À» ¸®ÅÏÇÕ´Ï´Ù.

¹Ýȯ°ª:
ÀÌ AlphaComposite ÇÕ¼º ±ÔÄ¢

hashCode

public int hashCode()
ÀÌ ÇÕ¼ºÀÇ Çؽà Äڵ带 ¸®ÅÏÇÕ´Ï´Ù.

¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º Object ³»ÀÇ hashCode
¹Ýȯ°ª:
ÀÌ ÇÕ¼ºÀÇ Çؽà ÄÚµå
°ü·Ã Ç׸ñ:
Object.equals(java.lang.Object), Hashtable

equals

public boolean equals(Object  obj)
ÁöÁ¤ÇÑ °´Ã¼°¡ ÀÌ AlphaComposite¿Í °°ÀºÁö ¾î¶²Áö¸¦ ÆÇÁ¤ÇÕ´Ï´Ù.

Àμö°¡ nullÀÌ ¾Æ´Ï°í, ÀÌ °´Ã¼¿Í °°Àº ÇÕ¼º ±ÔÄ¢ ¹× ¾ËÆÄ°ªÀ» »ç¿ëÇÏ´Â AlphaComposite °´Ã¼ÀÎ °æ¿ì¸¸, °á°ú°¡ true°¡ µË´Ï´Ù.

¿À¹ö¶óÀ̵å(override):
Ŭ·¡½º Object ³»ÀÇ equals
ÆĶó¹ÌÅÍ:
obj - µ¿ÀÏÇÑÁö ¾î¶²Áö°¡ ÆÇÁ¤µÇ´Â Object
¹Ýȯ°ª:
obj°¡ ÀÌ AlphaComposite¿Í µ¿ÀÏÇÑ °æ¿ì´Â true, ±×·¸Áö ¾ÊÀº °æ¿ì´Â false
°ü·Ã Ç׸ñ:
Object.hashCode(), Hashtable

JavaTM 2 Platform
Standard Ed. 5.0

Copyright 2004 Sun Microsystems, Inc. All rights reserved. Use is subject to license terms . Documentation Redistribution Policy µµ ÂüÁ¶ÇϽʽÿÀ.