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add color

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Looly
2022-09-15 12:28:23 +08:00
parent 08a829cf6d
commit 790315f839
18 changed files with 263 additions and 18 deletions
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2
hutool-swing/src/main/java/cn/hutool/swing/captcha/CircleCaptcha.java
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@@ -2,7 +2,7 @@ package cn.hutool.swing.captcha;
import cn.hutool.core.util.ObjUtil;
import cn.hutool.core.util.RandomUtil;
import cn.hutool.swing.img.ColorUtil;
import cn.hutool.swing.img.color.ColorUtil;
import cn.hutool.swing.img.GraphicsUtil;
import java.awt.Color;

2
hutool-swing/src/main/java/cn/hutool/swing/captcha/LineCaptcha.java
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@@ -2,7 +2,7 @@ package cn.hutool.swing.captcha;
import cn.hutool.core.util.ObjUtil;
import cn.hutool.core.util.RandomUtil;
import cn.hutool.swing.img.ColorUtil;
import cn.hutool.swing.img.color.ColorUtil;
import cn.hutool.swing.img.GraphicsUtil;
import java.awt.Color;

2
hutool-swing/src/main/java/cn/hutool/swing/captcha/ShearCaptcha.java
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@@ -2,7 +2,7 @@ package cn.hutool.swing.captcha;
import cn.hutool.core.util.ObjUtil;
import cn.hutool.core.util.RandomUtil;
import cn.hutool.swing.img.ColorUtil;
import cn.hutool.swing.img.color.ColorUtil;
import cn.hutool.swing.img.GraphicsUtil;
import java.awt.Color;

1
hutool-swing/src/main/java/cn/hutool/swing/img/BackgroundRemoval.java
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@@ -3,6 +3,7 @@ package cn.hutool.swing.img;
import cn.hutool.core.io.FileTypeUtil;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.text.StrUtil;
import cn.hutool.swing.img.color.ColorUtil;
import javax.imageio.ImageIO;
import javax.swing.ImageIcon;

1
hutool-swing/src/main/java/cn/hutool/swing/img/GraphicsUtil.java
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@@ -1,6 +1,7 @@
package cn.hutool.swing.img;
import cn.hutool.core.util.ObjUtil;
import cn.hutool.swing.img.color.ColorUtil;
import java.awt.AlphaComposite;
import java.awt.Color;

34
hutool-swing/src/main/java/cn/hutool/swing/img/color/Ansi4bitMapping.java Normal file
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@@ -0,0 +1,34 @@
package cn.hutool.swing.img.color;
import cn.hutool.core.lang.ansi.Ansi4BitColor;
import java.util.LinkedHashMap;
/**
* ANSI 4bit 颜色和Lab颜色映射关系
*
* @author Tom Xin
*/
public class Ansi4bitMapping extends AnsiLabMapping {
public static final Ansi4bitMapping INSTANCE = new Ansi4bitMapping();
public Ansi4bitMapping() {
ansiLabMap = new LinkedHashMap<>(16, 1);
ansiLabMap.put(Ansi4BitColor.BLACK, new LabColor(0x000000));
ansiLabMap.put(Ansi4BitColor.RED, new LabColor(0xAA0000));
ansiLabMap.put(Ansi4BitColor.GREEN, new LabColor(0x00AA00));
ansiLabMap.put(Ansi4BitColor.YELLOW, new LabColor(0xAA5500));
ansiLabMap.put(Ansi4BitColor.BLUE, new LabColor(0x0000AA));
ansiLabMap.put(Ansi4BitColor.MAGENTA, new LabColor(0xAA00AA));
ansiLabMap.put(Ansi4BitColor.CYAN, new LabColor(0x00AAAA));
ansiLabMap.put(Ansi4BitColor.WHITE, new LabColor(0xAAAAAA));
ansiLabMap.put(Ansi4BitColor.BRIGHT_BLACK, new LabColor(0x555555));
ansiLabMap.put(Ansi4BitColor.BRIGHT_RED, new LabColor(0xFF5555));
ansiLabMap.put(Ansi4BitColor.BRIGHT_GREEN, new LabColor(0x55FF00));
ansiLabMap.put(Ansi4BitColor.BRIGHT_YELLOW, new LabColor(0xFFFF55));
ansiLabMap.put(Ansi4BitColor.BRIGHT_BLUE, new LabColor(0x5555FF));
ansiLabMap.put(Ansi4BitColor.BRIGHT_MAGENTA, new LabColor(0xFF55FF));
ansiLabMap.put(Ansi4BitColor.BRIGHT_CYAN, new LabColor(0x55FFFF));
ansiLabMap.put(Ansi4BitColor.BRIGHT_WHITE, new LabColor(0xFFFFFF));
}
}

49
hutool-swing/src/main/java/cn/hutool/swing/img/color/Ansi8bitMapping.java Normal file
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@@ -0,0 +1,49 @@
package cn.hutool.swing.img.color;
import cn.hutool.core.lang.ansi.Ansi8BitColor;
import java.util.LinkedHashMap;
/**
* ANSI 8bit 颜色和Lab颜色映射关系
*
* @author Tom Xin
*/
public class Ansi8bitMapping extends AnsiLabMapping {
public static final Ansi8bitMapping INSTANCE = new Ansi8bitMapping();
private static final int[] ANSI_8BIT_COLOR_CODE_LOOKUP = new int[] { 0x000000, 0x800000, 0x008000, 0x808000,
0x000080, 0x800080, 0x008080, 0xc0c0c0, 0x808080, 0xff0000, 0x00ff00, 0xffff00, 0x0000ff, 0xff00ff,
0x00ffff, 0xffffff, 0x000000, 0x00005f, 0x000087, 0x0000af, 0x0000d7, 0x0000ff, 0x005f00, 0x005f5f,
0x005f87, 0x005faf, 0x005fd7, 0x005fff, 0x008700, 0x00875f, 0x008787, 0x0087af, 0x0087d7, 0x0087ff,
0x00af00, 0x00af5f, 0x00af87, 0x00afaf, 0x00afd7, 0x00afff, 0x00d700, 0x00d75f, 0x00d787, 0x00d7af,
0x00d7d7, 0x00d7ff, 0x00ff00, 0x00ff5f, 0x00ff87, 0x00ffaf, 0x00ffd7, 0x00ffff, 0x5f0000, 0x5f005f,
0x5f0087, 0x5f00af, 0x5f00d7, 0x5f00ff, 0x5f5f00, 0x5f5f5f, 0x5f5f87, 0x5f5faf, 0x5f5fd7, 0x5f5fff,
0x5f8700, 0x5f875f, 0x5f8787, 0x5f87af, 0x5f87d7, 0x5f87ff, 0x5faf00, 0x5faf5f, 0x5faf87, 0x5fafaf,
0x5fafd7, 0x5fafff, 0x5fd700, 0x5fd75f, 0x5fd787, 0x5fd7af, 0x5fd7d7, 0x5fd7ff, 0x5fff00, 0x5fff5f,
0x5fff87, 0x5fffaf, 0x5fffd7, 0x5fffff, 0x870000, 0x87005f, 0x870087, 0x8700af, 0x8700d7, 0x8700ff,
0x875f00, 0x875f5f, 0x875f87, 0x875faf, 0x875fd7, 0x875fff, 0x878700, 0x87875f, 0x878787, 0x8787af,
0x8787d7, 0x8787ff, 0x87af00, 0x87af5f, 0x87af87, 0x87afaf, 0x87afd7, 0x87afff, 0x87d700, 0x87d75f,
0x87d787, 0x87d7af, 0x87d7d7, 0x87d7ff, 0x87ff00, 0x87ff5f, 0x87ff87, 0x87ffaf, 0x87ffd7, 0x87ffff,
0xaf0000, 0xaf005f, 0xaf0087, 0xaf00af, 0xaf00d7, 0xaf00ff, 0xaf5f00, 0xaf5f5f, 0xaf5f87, 0xaf5faf,
0xaf5fd7, 0xaf5fff, 0xaf8700, 0xaf875f, 0xaf8787, 0xaf87af, 0xaf87d7, 0xaf87ff, 0xafaf00, 0xafaf5f,
0xafaf87, 0xafafaf, 0xafafd7, 0xafafff, 0xafd700, 0xafd75f, 0xafd787, 0xafd7af, 0xafd7d7, 0xafd7ff,
0xafff00, 0xafff5f, 0xafff87, 0xafffaf, 0xafffd7, 0xafffff, 0xd70000, 0xd7005f, 0xd70087, 0xd700af,
0xd700d7, 0xd700ff, 0xd75f00, 0xd75f5f, 0xd75f87, 0xd75faf, 0xd75fd7, 0xd75fff, 0xd78700, 0xd7875f,
0xd78787, 0xd787af, 0xd787d7, 0xd787ff, 0xd7af00, 0xd7af5f, 0xd7af87, 0xd7afaf, 0xd7afd7, 0xd7afff,
0xd7d700, 0xd7d75f, 0xd7d787, 0xd7d7af, 0xd7d7d7, 0xd7d7ff, 0xd7ff00, 0xd7ff5f, 0xd7ff87, 0xd7ffaf,
0xd7ffd7, 0xd7ffff, 0xff0000, 0xff005f, 0xff0087, 0xff00af, 0xff00d7, 0xff00ff, 0xff5f00, 0xff5f5f,
0xff5f87, 0xff5faf, 0xff5fd7, 0xff5fff, 0xff8700, 0xff875f, 0xff8787, 0xff87af, 0xff87d7, 0xff87ff,
0xffaf00, 0xffaf5f, 0xffaf87, 0xffafaf, 0xffafd7, 0xffafff, 0xffd700, 0xffd75f, 0xffd787, 0xffd7af,
0xffd7d7, 0xffd7ff, 0xffff00, 0xffff5f, 0xffff87, 0xffffaf, 0xffffd7, 0xffffff, 0x080808, 0x121212,
0x1c1c1c, 0x262626, 0x303030, 0x3a3a3a, 0x444444, 0x4e4e4e, 0x585858, 0x626262, 0x6c6c6c, 0x767676,
0x808080, 0x8a8a8a, 0x949494, 0x9e9e9e, 0xa8a8a8, 0xb2b2b2, 0xbcbcbc, 0xc6c6c6, 0xd0d0d0, 0xdadada,
0xe4e4e4, 0xeeeeee };
public Ansi8bitMapping() {
ansiLabMap = new LinkedHashMap<>(256, 1);
for (int i = 0; i < ANSI_8BIT_COLOR_CODE_LOOKUP.length; i++) {
ansiLabMap.put(Ansi8BitColor.foreground(i), new LabColor(ANSI_8BIT_COLOR_CODE_LOOKUP[i]));
}
}
}

44
hutool-swing/src/main/java/cn/hutool/swing/img/color/AnsiLabMapping.java Normal file
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@@ -0,0 +1,44 @@
package cn.hutool.swing.img.color;
import cn.hutool.core.lang.ansi.AnsiElement;
import java.awt.Color;
import java.util.Map;
/**
* ANSI颜色和Lab颜色的对应查找表，
*
* @author Tom Xin
*/
public abstract class AnsiLabMapping {
protected Map<AnsiElement, LabColor> ansiLabMap;
/**
* 查找与给定LabColor最接近的AnsiElement颜色
*
* @param color {@link LabColor}
* @return 最接近的Ansi4BitColor
*/
public AnsiElement lookupClosest(Color color) {
return lookupClosest(new LabColor(color));
}
/**
* 查找与给定LabColor最接近的AnsiElement颜色
*
* @param color {@link LabColor}
* @return 最接近的Ansi4BitColor
*/
public AnsiElement lookupClosest(LabColor color) {
AnsiElement closest = null;
double closestDistance = Float.MAX_VALUE;
for (Map.Entry<AnsiElement, LabColor> entry : ansiLabMap.entrySet()) {
double candidateDistance = color.getDistance(entry.getValue());
if (closest == null || candidateDistance < closestDistance) {
closestDistance = candidateDistance;
closest = entry.getKey();
}
}
return closest;
}
}

29
hutool-swing/src/main/java/cn/hutool/swing/img/ColorUtil.java → hutool-swing/src/main/java/cn/hutool/swing/img/color/ColorUtil.java
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@@ -1,6 +1,9 @@
package cn.hutool.swing.img;
package cn.hutool.swing.img.color;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.lang.ansi.Ansi4BitColor;
import cn.hutool.core.lang.ansi.Ansi8BitColor;
import cn.hutool.core.lang.ansi.AnsiElement;
import cn.hutool.core.text.StrUtil;
import cn.hutool.core.util.ArrayUtil;
import cn.hutool.core.util.RandomUtil;
@@ -194,6 +197,30 @@ public class ColorUtil {
return new Color(random.nextInt(RGB_COLOR_BOUND), random.nextInt(RGB_COLOR_BOUND), random.nextInt(RGB_COLOR_BOUND));
}
/**
* AWT的{@link Color}颜色转换为ANSI颜色，由于取最接近颜色，故可能有色差
*
* @param color {@link Color}
* @param is8Bit 是否8bit的ANSI颜色
* @param isBackground 是否背景色
* @return ANSI颜色
*/
public static AnsiElement toAnsiColor(Color color, boolean is8Bit, boolean isBackground) {
if (is8Bit) {
final Ansi8BitColor ansiElement = (Ansi8BitColor) Ansi8bitMapping.INSTANCE.lookupClosest(color);
if (isBackground) {
return ansiElement.asBackground();
}
return ansiElement;
} else {
final Ansi4BitColor ansiElement = (Ansi4BitColor) Ansi4bitMapping.INSTANCE.lookupClosest(color);
if (isBackground) {
return ansiElement.asBackground();
}
return ansiElement;
}
}
/**
* 获取给定图片的主色调，背景填充用
*

2
hutool-swing/src/main/java/cn/hutool/swing/img/LabColor.java → hutool-swing/src/main/java/cn/hutool/swing/img/color/LabColor.java
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@@ -1,4 +1,4 @@
package cn.hutool.swing.img;
package cn.hutool.swing.img.color;
import cn.hutool.core.lang.Assert;

7
hutool-swing/src/main/java/cn/hutool/swing/img/color/package-info.java Normal file
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@@ -0,0 +1,7 @@
/**
* 颜色处理相关工具类封装
*
* @author looly
*
*/
package cn.hutool.swing.img.color;

1
hutool-swing/src/test/java/cn/hutool/swing/img/ImgUtilTest.java
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@@ -2,6 +2,7 @@ package cn.hutool.swing.img;
import cn.hutool.core.io.FileUtil;
import cn.hutool.core.io.IORuntimeException;
import cn.hutool.swing.img.color.ColorUtil;
import org.junit.Assert;
import org.junit.Ignore;
import org.junit.Test;