Package com.gaia3d.util

Class JpegAntiRinging

java.lang.Object

com.gaia3d.util.JpegAntiRinging

public class JpegAntiRinging
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	JpegAntiRinging.Options

Constructor Summary

Constructors

Constructor	Description
JpegAntiRinging()

Method Summary

Modifier and Type	Method	Description
static BufferedImage	gentlePreBlur3x3(BufferedImage src)	약한 3x3 가우시안 근사 블러 (σ≈0.6)
static void	main(String[] args)
static BufferedImage	resize(BufferedImage src, int targetW, int targetH, boolean multistep)	Bicubic 리사이즈: 큰 폭 축소는 멀티스텝(1/2씩) → 최종 크기
static BufferedImage	toSRGBWithoutAlpha(BufferedImage src, Color bg)	sRGB로 변환 + 알파 제거(배경 합성)
static void	writeAntiRingingJPEG(BufferedImage src, File out, JpegAntiRinging.Options opt)	메인 진입: BufferedImage -> (전처리/리사이즈) -> JPEG 파일 저장
static void	writeJpegImageIO(BufferedImage img, File out, float quality, boolean progressive)	표준 ImageIO로 JPEG 저장 (quality / progressive)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

JpegAntiRinging

public JpegAntiRinging()

Method Details

writeAntiRingingJPEG

public static void writeAntiRingingJPEG(BufferedImage src,
 File out,
 JpegAntiRinging.Options opt)
                                 throws IOException

메인 진입: BufferedImage -> (전처리/리사이즈) -> JPEG 파일 저장

Throws:

IOException

toSRGBWithoutAlpha

public static BufferedImage toSRGBWithoutAlpha(BufferedImage src,
 Color bg)

sRGB로 변환 + 알파 제거(배경 합성)

gentlePreBlur3x3

public static BufferedImage gentlePreBlur3x3(BufferedImage src)

약한 3x3 가우시안 근사 블러 (σ≈0.6)

resize

public static BufferedImage resize(BufferedImage src,
 int targetW,
 int targetH,
 boolean multistep)

Bicubic 리사이즈: 큰 폭 축소는 멀티스텝(1/2씩) → 최종 크기

writeJpegImageIO

public static void writeJpegImageIO(BufferedImage img,
 File out,
 float quality,
 boolean progressive)
                             throws IOException

표준 ImageIO로 JPEG 저장 (quality / progressive)

Throws:

IOException

main

public static void main(String[] args)
                 throws Exception

Throws:

Exception