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Captcha.setBackground为null时背景透明

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Looly 2024-04-24 14:48:40 +08:00
parent 4085d8d051
commit 1b4fb6d8e4
4 changed files with 10 additions and 14 deletions
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4
hutool-swing/src/main/java/org/dromara/hutool/swing/captcha/AbstractCaptcha.java
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@ -72,7 +72,7 @@ public abstract class AbstractCaptcha implements ICaptcha {
/** /**
* 背景色 * 背景色
*/ */
protected Color background; protected Color background = Color.WHITE;
/** /**
* 文字透明度 * 文字透明度
*/ */
@ -267,7 +267,7 @@ public abstract class AbstractCaptcha implements ICaptcha {
} }
/** /**
* 设置背景色 * 设置背景色，{@code null}表示透明背景
* *
* @param background 背景色 * @param background 背景色
* @since 4.1.22 * @since 4.1.22

8
hutool-swing/src/main/java/org/dromara/hutool/swing/captcha/CircleCaptcha.java
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@ -12,14 +12,12 @@
package org.dromara.hutool.swing.captcha; package org.dromara.hutool.swing.captcha;
import org.dromara.hutool.core.util.ObjUtil;
import org.dromara.hutool.core.util.RandomUtil; import org.dromara.hutool.core.util.RandomUtil;
import org.dromara.hutool.swing.captcha.generator.CodeGenerator; import org.dromara.hutool.swing.captcha.generator.CodeGenerator;
import org.dromara.hutool.swing.captcha.generator.RandomGenerator; import org.dromara.hutool.swing.captcha.generator.RandomGenerator;
import org.dromara.hutool.swing.img.color.ColorUtil;
import org.dromara.hutool.swing.img.GraphicsUtil; import org.dromara.hutool.swing.img.GraphicsUtil;
import org.dromara.hutool.swing.img.color.ColorUtil;
import java.awt.Color;
import java.awt.Graphics2D; import java.awt.Graphics2D;
import java.awt.Image; import java.awt.Image;
import java.awt.image.BufferedImage; import java.awt.image.BufferedImage;
@ -94,8 +92,8 @@ public class CircleCaptcha extends AbstractCaptcha {
@Override @Override
public Image createImage(final String code) { public Image createImage(final String code) {
final BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); final BufferedImage image = new BufferedImage(width, height, (null == this.background) ? BufferedImage.TYPE_4BYTE_ABGR : BufferedImage.TYPE_INT_RGB);
final Graphics2D g = GraphicsUtil.createGraphics(image, ObjUtil.defaultIfNull(this.background, Color.WHITE)); final Graphics2D g = GraphicsUtil.createGraphics(image, this.background);
try { try {
// 随机画干扰圈圈 // 随机画干扰圈圈

8
hutool-swing/src/main/java/org/dromara/hutool/swing/captcha/LineCaptcha.java
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@ -12,14 +12,12 @@
package org.dromara.hutool.swing.captcha; package org.dromara.hutool.swing.captcha;
import org.dromara.hutool.core.util.ObjUtil;
import org.dromara.hutool.core.util.RandomUtil; import org.dromara.hutool.core.util.RandomUtil;
import org.dromara.hutool.swing.captcha.generator.CodeGenerator; import org.dromara.hutool.swing.captcha.generator.CodeGenerator;
import org.dromara.hutool.swing.captcha.generator.RandomGenerator; import org.dromara.hutool.swing.captcha.generator.RandomGenerator;
import org.dromara.hutool.swing.img.color.ColorUtil;
import org.dromara.hutool.swing.img.GraphicsUtil; import org.dromara.hutool.swing.img.GraphicsUtil;
import org.dromara.hutool.swing.img.color.ColorUtil;
import java.awt.Color;
import java.awt.Graphics; import java.awt.Graphics;
import java.awt.Graphics2D; import java.awt.Graphics2D;
import java.awt.Image; import java.awt.Image;
@ -88,8 +86,8 @@ public class LineCaptcha extends AbstractCaptcha {
@Override @Override
public Image createImage(final String code) { public Image createImage(final String code) {
// 图像buffer // 图像buffer
final BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB); final BufferedImage image = new BufferedImage(width, height, (null == this.background) ? BufferedImage.TYPE_4BYTE_ABGR : BufferedImage.TYPE_INT_RGB);
final Graphics2D g = GraphicsUtil.createGraphics(image, ObjUtil.defaultIfNull(this.background, Color.WHITE)); final Graphics2D g = GraphicsUtil.createGraphics(image, this.background);
try { try {
// 干扰线 // 干扰线

4
hutool-swing/src/main/java/org/dromara/hutool/swing/captcha/ShearCaptcha.java
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@ -94,8 +94,8 @@ public class ShearCaptcha extends AbstractCaptcha {
@Override @Override
public Image createImage(final String code) { public Image createImage(final String code) {
final BufferedImage image = new BufferedImage(this.width, this.height, BufferedImage.TYPE_INT_RGB); final BufferedImage image = new BufferedImage(width, height, (null == this.background) ? BufferedImage.TYPE_4BYTE_ABGR : BufferedImage.TYPE_INT_RGB);
final Graphics2D g = GraphicsUtil.createGraphics(image, ObjUtil.defaultIfNull(this.background, Color.WHITE)); final Graphics2D g = GraphicsUtil.createGraphics(image, this.background);
try { try {
// 画字符串 // 画字符串