From f6a766d8ef40d4edbd5a8829651b3a8c93d7ceea Mon Sep 17 00:00:00 2001 From: pentakon Date: Thu, 28 Mar 2024 06:41:06 +0200 Subject: [PATCH] Example code for BAEL-6840: How to scale a BufferedImage in Java? (#16202) --- .../bufferedimageresize/Application.java | 24 +++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 image-processing/src/main/java/com/baeldung/imageprocessing/bufferedimageresize/Application.java diff --git a/image-processing/src/main/java/com/baeldung/imageprocessing/bufferedimageresize/Application.java b/image-processing/src/main/java/com/baeldung/imageprocessing/bufferedimageresize/Application.java new file mode 100644 index 0000000000..5f79a1a90b --- /dev/null +++ b/image-processing/src/main/java/com/baeldung/imageprocessing/bufferedimageresize/Application.java @@ -0,0 +1,24 @@ +package com.baeldung.image; + +import javax.imageio.ImageIO; +import java.awt.geom.AffineTransform; +import java.awt.image.AffineTransformOp; +import java.awt.image.BufferedImage; +import java.io.File; + +public class Application { + + public static void main(String[] args) throws Exception { + BufferedImage srcImg = ImageIO.read(new File("src/main/resources/images/sampleImage.jpg")); + float scaleW = 2.0f, scaleH = 2.0f; + int w = srcImg.getWidth() * (int) scaleW; + int h = srcImg.getHeight() * (int) scaleH; + BufferedImage dstImg = new BufferedImage(w, h, srcImg.getType()); + AffineTransform scalingTransform = new AffineTransform(); + scalingTransform.scale(scaleW, scaleH); + AffineTransformOp scaleOp = new AffineTransformOp(scalingTransform, AffineTransformOp.TYPE_BILINEAR); + dstImg = scaleOp.filter(srcImg, dstImg); + ImageIO.write(dstImg, "jpg", new File("src/main/resources/images/resized.jpg")); + } + +}