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Java GUI ขอคำแนะนำเรื่องการ ปรับขนาดรูปภาพที่เราเลือกมาครับ มีรูป |
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Code (Java)
import java.awt.AlphaComposite;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
import javax.imageio.ImageIO;
/*
* @author mkyong
*
*/
public class ImageTest {
private static final int IMG_WIDTH = 100;
private static final int IMG_HEIGHT = 100;
public static void main(String [] args){
try{
BufferedImage originalImage = ImageIO.read(new File("c:\\image\\mkyong.jpg"));
int type = originalImage.getType() == 0? BufferedImage.TYPE_INT_ARGB : originalImage.getType();
BufferedImage resizeImageJpg = resizeImage(originalImage, type);
ImageIO.write(resizeImageJpg, "jpg", new File("c:\\image\\mkyong_jpg.jpg"));
BufferedImage resizeImagePng = resizeImage(originalImage, type);
ImageIO.write(resizeImagePng, "png", new File("c:\\image\\mkyong_png.jpg"));
BufferedImage resizeImageHintJpg = resizeImageWithHint(originalImage, type);
ImageIO.write(resizeImageHintJpg, "jpg", new File("c:\\image\\mkyong_hint_jpg.jpg"));
BufferedImage resizeImageHintPng = resizeImageWithHint(originalImage, type);
ImageIO.write(resizeImageHintPng, "png", new File("c:\\image\\mkyong_hint_png.jpg"));
}catch(IOException e){
System.out.println(e.getMessage());
}
}
private static BufferedImage resizeImage(BufferedImage originalImage, int type){
BufferedImage resizedImage = new BufferedImage(IMG_WIDTH, IMG_HEIGHT, type);
Graphics2D g = resizedImage.createGraphics();
g.drawImage(originalImage, 0, 0, IMG_WIDTH, IMG_HEIGHT, null);
g.dispose();
return resizedImage;
}
private static BufferedImage resizeImageWithHint(BufferedImage originalImage, int type){
BufferedImage resizedImage = new BufferedImage(IMG_WIDTH, IMG_HEIGHT, type);
Graphics2D g = resizedImage.createGraphics();
g.drawImage(originalImage, 0, 0, IMG_WIDTH, IMG_HEIGHT, null);
g.dispose();
g.setComposite(AlphaComposite.Src);
g.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g.setRenderingHint(RenderingHints.KEY_RENDERING,
RenderingHints.VALUE_RENDER_QUALITY);
g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
return resizedImage;
}
}
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Date :
2015-01-31 08:35:51 |
By :
mr.win |
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Load balance : Server 04
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