From 84599f1fdac0d9723c7f02a2e66b0e909ad911d7 Mon Sep 17 00:00:00 2001
From: KKSU <15274802129@163.com>
Date: Thu, 30 May 2024 09:44:11 +0800
Subject: [PATCH] 图片上传
---
src/main/java/cc/mrbird/febs/mall/test/PixelateImage.java | 190 +++++++++++++++++++++++-----------------------
1 files changed, 95 insertions(+), 95 deletions(-)
diff --git a/src/main/java/cc/mrbird/febs/mall/test/PixelateImage.java b/src/main/java/cc/mrbird/febs/mall/test/PixelateImage.java
index a1d2709..150d765 100644
--- a/src/main/java/cc/mrbird/febs/mall/test/PixelateImage.java
+++ b/src/main/java/cc/mrbird/febs/mall/test/PixelateImage.java
@@ -1,95 +1,95 @@
-package cc.mrbird.febs.mall.test;
-
-import com.sun.image.codec.jpeg.JPEGCodec;
-import com.sun.image.codec.jpeg.JPEGEncodeParam;
-import com.sun.image.codec.jpeg.JPEGImageEncoder;
-
-import javax.imageio.ImageIO;
-import java.awt.*;
-import java.awt.image.BufferedImage;
-import java.io.File;
-import java.io.FileOutputStream;
-import java.io.IOException;
-
-public class PixelateImage {
-
- public static void main(String[] args) {
- handleDpi(new File("D:\\image\\inputDpi.png"),50,50);
- getPixel("D:\\image\\input.png");
- try {
- resizeImage("D:\\image\\input.png","D:\\image\\output.png",360);//将图片压缩至100宽
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
-
- /**
- * 功能：获取图片像素
- * * @param filePath 图片路径
- */
- public static void getPixel(String filePath){
- File file = new File(filePath);
- BufferedImage bi = null;
- try {
- bi = ImageIO.read(file);
- } catch (Exception e) {
- e.printStackTrace();
- }
- int width = bi.getWidth(); // 像素
- int height = bi.getHeight(); // 像素
- System.out.println("width=" + width + ",height=" + height + ".");
- }
-
-
- /**
- * @param inputPath 源图片路径
- * @param outputPath 修改大小后图片路径
- * @param scaleSize 图片的修改比例，目标宽度
- */
- public static void resizeImage(String inputPath, String outputPath,int scaleSize) throws IOException {
-
- File srcFile = new File(inputPath);
- Image srcImg = ImageIO.read(srcFile);
- BufferedImage bi = null;
- try {
- bi = ImageIO.read(srcFile);
- } catch (Exception e) {
- e.printStackTrace();
- }
- float width = bi.getWidth(); // 像素
- float height = bi.getHeight(); // 像素
- float scale = width/scaleSize;
- BufferedImage buffImg = null;
- buffImg = new BufferedImage(scaleSize, (int)(height/scale), BufferedImage.TYPE_INT_RGB);
- //使用TYPE_INT_RGB修改的图片会变色
- buffImg.getGraphics().drawImage(
- srcImg.getScaledInstance(scaleSize, (int)(height/scale), Image.SCALE_SMOOTH), 0,
- 0, null);
-
- ImageIO.write(buffImg, "JPEG", new File(outputPath));
- }
-
- /**
- * 改变图片DPI
- *
- * @param file
- * @param xDensity
- * @param yDensity
- */
- public static void handleDpi(File file, int xDensity, int yDensity) {
- try {
- BufferedImage image = ImageIO.read(file);
- JPEGImageEncoder jpegEncoder = JPEGCodec.createJPEGEncoder(new FileOutputStream(file));
- JPEGEncodeParam jpegEncodeParam = jpegEncoder.getDefaultJPEGEncodeParam(image);
- jpegEncodeParam.setDensityUnit(JPEGEncodeParam.DENSITY_UNIT_DOTS_INCH);
- jpegEncoder.setJPEGEncodeParam(jpegEncodeParam);
- jpegEncodeParam.setQuality(0.1f, false);
- jpegEncodeParam.setXDensity(xDensity);
- jpegEncodeParam.setYDensity(yDensity);
- jpegEncoder.encode(image, jpegEncodeParam);
- image.flush();
- } catch (IOException e) {
- e.printStackTrace();
- }
- }
-}
+//package cc.mrbird.febs.mall.test;
+//
+//import com.sun.image.codec.jpeg.JPEGCodec;
+//import com.sun.image.codec.jpeg.JPEGEncodeParam;
+//import com.sun.image.codec.jpeg.JPEGImageEncoder;
+//
+//import javax.imageio.ImageIO;
+//import java.awt.*;
+//import java.awt.image.BufferedImage;
+//import java.io.File;
+//import java.io.FileOutputStream;
+//import java.io.IOException;
+//
+//public class PixelateImage {
+//
+// public static void main(String[] args) {
+// handleDpi(new File("D:\\image\\inputDpi.png"),50,50);
+// getPixel("D:\\image\\input.png");
+// try {
+// resizeImage("D:\\image\\input.png","D:\\image\\output.png",360);//将图片压缩至100宽
+// } catch (IOException e) {
+// e.printStackTrace();
+// }
+// }
+//
+// /**
+// * 功能：获取图片像素
+// * * @param filePath 图片路径
+// */
+// public static void getPixel(String filePath){
+// File file = new File(filePath);
+// BufferedImage bi = null;
+// try {
+// bi = ImageIO.read(file);
+// } catch (Exception e) {
+// e.printStackTrace();
+// }
+// int width = bi.getWidth(); // 像素
+// int height = bi.getHeight(); // 像素
+// System.out.println("width=" + width + ",height=" + height + ".");
+// }
+//
+//
+// /**
+// * @param inputPath 源图片路径
+// * @param outputPath 修改大小后图片路径
+// * @param scaleSize 图片的修改比例，目标宽度
+// */
+// public static void resizeImage(String inputPath, String outputPath,int scaleSize) throws IOException {
+//
+// File srcFile = new File(inputPath);
+// Image srcImg = ImageIO.read(srcFile);
+// BufferedImage bi = null;
+// try {
+// bi = ImageIO.read(srcFile);
+// } catch (Exception e) {
+// e.printStackTrace();
+// }
+// float width = bi.getWidth(); // 像素
+// float height = bi.getHeight(); // 像素
+// float scale = width/scaleSize;
+// BufferedImage buffImg = null;
+// buffImg = new BufferedImage(scaleSize, (int)(height/scale), BufferedImage.TYPE_INT_RGB);
+// //使用TYPE_INT_RGB修改的图片会变色
+// buffImg.getGraphics().drawImage(
+// srcImg.getScaledInstance(scaleSize, (int)(height/scale), Image.SCALE_SMOOTH), 0,
+// 0, null);
+//
+// ImageIO.write(buffImg, "JPEG", new File(outputPath));
+// }
+//
+// /**
+// * 改变图片DPI
+// *
+// * @param file
+// * @param xDensity
+// * @param yDensity
+// */
+// public static void handleDpi(File file, int xDensity, int yDensity) {
+// try {
+// BufferedImage image = ImageIO.read(file);
+// JPEGImageEncoder jpegEncoder = JPEGCodec.createJPEGEncoder(new FileOutputStream(file));
+// JPEGEncodeParam jpegEncodeParam = jpegEncoder.getDefaultJPEGEncodeParam(image);
+// jpegEncodeParam.setDensityUnit(JPEGEncodeParam.DENSITY_UNIT_DOTS_INCH);
+// jpegEncoder.setJPEGEncodeParam(jpegEncodeParam);
+// jpegEncodeParam.setQuality(0.1f, false);
+// jpegEncodeParam.setXDensity(xDensity);
+// jpegEncodeParam.setYDensity(yDensity);
+// jpegEncoder.encode(image, jpegEncodeParam);
+// image.flush();
+// } catch (IOException e) {
+// e.printStackTrace();
+// }
+// }
+//}
--
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