'IMAGE'에 해당되는 글 1건

  1. 2008.12.09 java image thumbnail (1)
분류없음2008.12.09 14:31
import java.awt.Image;
import java.awt.Graphics2D;
import java.awt.geom.AffineTransform;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.OutputStream;
import java.io.FileOutputStream;
import javax.swing.ImageIcon;
import com.sun.image.codec.jpeg.JPEGCodec;
import com.sun.image.codec.jpeg.JPEGImageEncoder;

public class EvinPotoSmall
{
private String orig; // 원본이미지 (패스와 파일명)
private String thumb; // 작게만들 이미지 (패스와 파일명)
private int maxDim; // 사이즈


// 작은 이미지를 만든다.(파일이저장된 실제경로, 새로운이름, 가로사이즈)
public void createThumbnail(String orig, String thumb, int maxDim)
{
try {
// Get the image from a file.
Image inImage = new ImageIcon(orig).getImage();

// Determine the scale.
double scale = (double)maxDim/(double)inImage.getHeight(null);
if (inImage.getWidth(null) > inImage.getHeight(null)) {
scale = (double)maxDim/(double)inImage.getWidth(null);
}

// Determine size of new image.
//One of them
// should equal maxDim.
int scaledW = (int)(scale*inImage.getWidth(null));
int scaledH = (int)(scale*inImage.getHeight(null));

// Create an image buffer in
//which to paint on.
BufferedImage outImage = new BufferedImage(scaledW, scaledH,BufferedImage.TYPE_INT_RGB);

// Set the scale.
AffineTransform tx = new AffineTransform();

// If the image is smaller than
// the desired image size,
// don't bother scaling.
if (scale < 1.0d) {
tx.scale(scale, scale);
}

// Paint image.
Graphics2D g2d = outImage.createGraphics();
g2d.setRenderingHints(Graphics2D.ANTIALIASING, Graphics2D.ANTIALIAS_ON); //이부분이 앤티얼리어싱적용부분
g2d.drawImage(inImage, tx, null);
g2d.dispose();

// JPEG-encode the image
//and write to file.
OutputStream os = new FileOutputStream(thumb);
JPEGImageEncoder encoder = JPEGCodec.createJPEGEncoder(os);
encoder.encode(outImage);
os.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}

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