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更改验证器类名

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天爱有情
2022-04-25 16:20:32 +08:00
parent a14cf2d28d
commit 4b6eef77eb
4 changed files with 193 additions and 17 deletions
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src/main/java/cloud/tianai/captcha/template/slider/common/util/CaptchaImageUtils.java
+98 -17
View File
@@ -175,23 +175,6 @@ public class CaptchaImageUtils {
return image;
}
// /**
// * 旋转图片
// *
// * @param bufferedImage 图片
// * @param degree 旋转xx度
// */
// public static void rotateImage(BufferedImage bufferedImage, int degree) {
// // 创建Graphics2D对象，用在底图对象上绘图
// Graphics2D g2d = bufferedImage.createGraphics();
// // 绘制
// g2d.rotate(Math.toRadians(degree), bufferedImage.getWidth() / 2, bufferedImage.getHeight()/2);
// g2d.drawImage(bufferedImage, 0, 0, bufferedImage.getWidth(), bufferedImage.getHeight(), null);
// // 释放图形上下文使用的系统资源
// g2d.dispose();
// }
public static BufferedImage rotateImage(final BufferedImage bufferedimage,
final double degree) {
// 得到图片宽度。
@@ -225,4 +208,102 @@ public class CaptchaImageUtils {
overlayImage(baseBufferedImage, coverBufferedImage, bw / 2 - cw / 2, bh / 2 - ch / 2);
}
/**
* 通过x和y轴截取图片
*
* @param x x
* @param y y
* @param width 宽度
* @param height 高度
* @param img 截取的图片
* @return BufferedImage
*/
public static BufferedImage subImage(int x, int y, int width, int height, BufferedImage img) {
int[] simgRgb = new int[width * height];
img.getRGB(x, y, width, height, simgRgb, 0, width);
// 得到图片透明度。
int type = img.getColorModel().getTransparency();
BufferedImage newImage = new BufferedImage(width, height, type);
newImage.setRGB(0, 0, width, height, simgRgb, 0, width);
return newImage;
}
/**
* 分隔图片
*
* @param pos 分隔点
* @param direction true为水平方向， false为垂直方向
* @param img 待分割的图片
* @return BufferedImage[]
*/
public static BufferedImage[] splitImage(int pos, boolean direction, BufferedImage img) {
int startImageWidth;
int startImageHeight;
int endImageWidth;
int endImageHeight;
int endScanX;
int endScanY;
if (direction) {
startImageHeight = img.getHeight() - pos;
startImageWidth = img.getWidth();
endImageWidth = img.getWidth();
endImageHeight = pos;
endScanX = 0;
endScanY = startImageHeight;
} else {
startImageWidth = pos;
startImageHeight = img.getHeight();
endImageWidth = img.getWidth() - startImageWidth;
endImageHeight = img.getHeight();
endScanX = pos;
endScanY = 0;
}
// start
int[] rgbArr = new int[startImageWidth * startImageHeight];
img.getRGB(0, 0, startImageWidth, startImageHeight, rgbArr, 0, startImageWidth);
int type = img.getColorModel().getTransparency();
BufferedImage startImg = new BufferedImage(startImageWidth, startImageHeight, type);
startImg.setRGB(0, 0, startImageWidth, startImageHeight, rgbArr, 0, startImageWidth);
// end
rgbArr = new int[endImageWidth * endImageHeight];
img.getRGB(endScanX, endScanY, endImageWidth, endImageHeight, rgbArr, 0, endImageWidth);
BufferedImage endImg = new BufferedImage(endImageWidth, endImageHeight, type);
endImg.setRGB(0, 0, endImageWidth, endImageHeight, rgbArr, 0, endImageWidth);
BufferedImage[] splitImageArr = new BufferedImage[2];
splitImageArr[0] = startImg;
splitImageArr[1] = endImg;
return splitImageArr;
}
/**
* 拼接图片
*
* @param direction rue为水平方向， false为垂直方向
* @param width 拼接后图片宽度
* @param height 拼接后图片高度
* @param imgArr 拼接的图片数组
* @return BufferedImage
*/
public static BufferedImage concatImage(boolean direction, int width, int height, BufferedImage... imgArr) {
int pos = 0;
BufferedImage newImage = new BufferedImage(width, height, imgArr[0].getColorModel().getTransparency());
for (BufferedImage img : imgArr) {
int[] rgbArr = new int[width * height];
img.getRGB(0, 0, img.getWidth(), img.getHeight(), rgbArr, 0, img.getWidth());
if (direction) {
newImage.setRGB(pos, 0, img.getWidth(), img.getHeight(), rgbArr, 0, img.getWidth());
pos += img.getWidth();
// 水平方向
} else {
// 垂直方向
newImage.setRGB(0, pos, img.getWidth(), img.getHeight(), rgbArr, 0, img.getWidth());
pos += img.getHeight();
}
}
return newImage;
}
}
src/main/java/cloud/tianai/captcha/template/slider/generator/common/constant/CaptchaTypeConstant.java
+2
View File
@@ -11,4 +11,6 @@ public interface CaptchaTypeConstant {
String SLIDER = "SLIDER";
/** 旋转. */
String ROTATE = "ROTATE";
/** 拼接.*/
String CONCAT = "CONCAT";
}
src/main/java/cloud/tianai/captcha/template/slider/generator/impl/MultiImageCaptchaGenerator.java
+4
View File
@@ -31,8 +31,12 @@ public class MultiImageCaptchaGenerator extends AbstractImageCaptchaGenerator {
}
protected void init() {
// 滑块验证码
addImageCaptchaGenerator(CaptchaTypeConstant.SLIDER, new StandardSliderImageCaptchaGenerator(imageCaptchaResourceManager, initDefaultResource));
// 旋转验证码
addImageCaptchaGenerator(CaptchaTypeConstant.ROTATE, new StandardRotateImageCaptchaGenerator(imageCaptchaResourceManager, initDefaultResource));
// 拼接验证码
addImageCaptchaGenerator(CaptchaTypeConstant.CONCAT, new StandardConcatImageCaptchaGenerator(imageCaptchaResourceManager, initDefaultResource));
}
public void addImageCaptchaGenerator(String key, ImageCaptchaGenerator captchaGenerator) {
src/main/java/cloud/tianai/captcha/template/slider/generator/impl/StandardConcatImageCaptchaGenerator.java
+89
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@@ -0,0 +1,89 @@
package cloud.tianai.captcha.template.slider.generator.impl;
import cloud.tianai.captcha.template.slider.generator.AbstractImageCaptchaGenerator;
import cloud.tianai.captcha.template.slider.generator.common.constant.CaptchaTypeConstant;
import cloud.tianai.captcha.template.slider.generator.common.model.dto.GenerateParam;
import cloud.tianai.captcha.template.slider.generator.common.model.dto.ImageCaptchaInfo;
import cloud.tianai.captcha.template.slider.resource.ImageCaptchaResourceManager;
import cloud.tianai.captcha.template.slider.resource.ResourceStore;
import cloud.tianai.captcha.template.slider.resource.common.model.dto.Resource;
import cloud.tianai.captcha.template.slider.resource.impl.provider.ClassPathResourceProvider;
import lombok.SneakyThrows;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collection;
import java.util.LinkedList;
import java.util.concurrent.ThreadLocalRandom;
import static cloud.tianai.captcha.template.slider.common.util.CaptchaImageUtils.*;
import static cloud.tianai.captcha.template.slider.generator.impl.StandardSliderImageCaptchaGenerator.DEFAULT_SLIDER_IMAGE_RESOURCE_PATH;
/**
* @Author: 天爱有情
* @date 2022/4/25 15:44
* @Description 图片拼接滑动验证码生成器
*/
public class StandardConcatImageCaptchaGenerator extends AbstractImageCaptchaGenerator {
protected final ImageCaptchaResourceManager imageCaptchaResourceManager;
public StandardConcatImageCaptchaGenerator(ImageCaptchaResourceManager imageCaptchaResourceManager, boolean initDefaultResource) {
this.imageCaptchaResourceManager = imageCaptchaResourceManager;
if (initDefaultResource) {
initDefaultResource();
}
}
public void initDefaultResource() {
ResourceStore resourceStore = imageCaptchaResourceManager.getResourceStore();
// 添加一些系统的资源文件
resourceStore.addResource(CaptchaTypeConstant.CONCAT, new Resource(ClassPathResourceProvider.NAME, DEFAULT_SLIDER_IMAGE_RESOURCE_PATH.concat("/1.jpg")));
}
@Override
public ImageCaptchaInfo generateCaptchaImage(GenerateParam param) {
// 拼接验证码不需要模板 只需要背景图
Collection<InputStream> inputStreams = new LinkedList<>();
try {
Resource resourceImage = imageCaptchaResourceManager.randomGetResource(param.getType());
InputStream resourceInputStream = imageCaptchaResourceManager.getResourceInputStream(resourceImage);
inputStreams.add(resourceInputStream);
BufferedImage bgImage = wrapFile2BufferedImage(resourceInputStream);
int spacing = bgImage.getHeight() / 4;
BufferedImage[] bgImageSplit = splitImage(ThreadLocalRandom.current().nextInt(spacing, bgImage.getHeight() - spacing), true, bgImage);
spacing = bgImage.getWidth() / 8;
int randomX = ThreadLocalRandom.current().nextInt(spacing, bgImage.getWidth() - spacing);
BufferedImage[] bgImageTopSplit = splitImage(randomX, false, bgImageSplit[0]);
BufferedImage sliderImage = concatImage(true,
bgImageTopSplit[0].getWidth()
+ bgImageTopSplit[1].getWidth()
+ bgImageSplit[0].getWidth(), bgImageTopSplit[1].getHeight(), bgImageSplit[0], bgImageTopSplit[0]);
return wrapConcatCaptchaInfo(randomX, bgImageSplit[1], sliderImage, param);
} finally {
// 使用完后关闭流
for (InputStream inputStream : inputStreams) {
try {
inputStream.close();
} catch (IOException e) {
// ignore
}
}
}
}
@SneakyThrows
private ImageCaptchaInfo wrapConcatCaptchaInfo(int randomX, BufferedImage bgImage, BufferedImage sliderImage, GenerateParam param) {
String backGroundImageBase64 = transform(bgImage, param.getBackgroundFormatName());
String sliderImageBase64 = transform(sliderImage, param.getSliderFormatName());
return ImageCaptchaInfo.of(backGroundImageBase64, sliderImageBase64, bgImage.getWidth(), bgImage.getHeight(), sliderImage.getWidth(), sliderImage.getHeight(), randomX);
}
@Override
public ImageCaptchaResourceManager getImageResourceManager() {
return imageCaptchaResourceManager;
}
}