create Image Resized Copy - Java 2D Graphics

Java examples for 2D Graphics:BufferedImage Create

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Description

create Image Resized Copy

Demo Code


//package com.java2s;
import java.awt.*;
import java.awt.image.BufferedImage;

public class Main {
    public static Image createResizedCopy(Image originalImage,
            int scaledWidth, int scaledHeight, boolean preserveAlpha) {
        int imageType = preserveAlpha ? BufferedImage.TYPE_INT_RGB
                : BufferedImage.TYPE_INT_ARGB;
        BufferedImage scaledBI = new BufferedImage(scaledWidth,
                scaledHeight, imageType);
        Graphics2D g = scaledBI.createGraphics();
        if (preserveAlpha) {
            g.setComposite(AlphaComposite.Src);
        }/*from   ww  w  . jav a 2s . com*/
        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
                RenderingHints.VALUE_ANTIALIAS_ON);
        g.setRenderingHint(RenderingHints.KEY_RENDERING,
                RenderingHints.VALUE_RENDER_QUALITY);
        g.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
                RenderingHints.VALUE_INTERPOLATION_BICUBIC);
        g.drawImage(originalImage, 0, 0, scaledWidth, scaledHeight, null);
        g.dispose();
        return scaledBI;
    }
}

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