本项目为个人学习使用参考dromara / image-combiner
生产环境建议使用dromara / image-combiner
版本要求：JDK17
<dependency>
<groupId>io.github.xuefm</groupId>
<artifactId>img-combiner</artifactId>
<version>1.1.1</version>
</dependency>以下是测试方法
package io.github.xuefm;
import io.github.xuefm.combiner.DefaultImageCombiner;
import io.github.xuefm.combiner.ImageCombiner;
import io.github.xuefm.element.*;
import io.github.xuefm.enums.AlignType;
import io.github.xuefm.enums.LineWrapType;
import io.github.xuefm.enums.OutputFormat;
import org.junit.BeforeClass;
import org.junit.Test;
import java.awt.*;
import java.io.File;
import java.io.IOException;
import java.time.LocalTime;
public class ImgTest {
private static String filePath = "file:///" + System.getProperty("user.dir") + "/test_file/";
private static String generateFilePath = System.getProperty("user.dir") + "/test_file/generate/";
private static OutputFormat outputFormat = OutputFormat.PNG;
@BeforeClass
public static void init() {
File file = new File(generateFilePath);
if (!file.exists()) {
file.mkdirs();
} else {
File[] files = file.listFiles();
assert files != null;
for (File file1 : files) {
file1.delete();
}
}
}
@Test
public void canvasRoundCorner() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 700, outputFormat, 100, 0f);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "画布圆角01." + outputFormat.getName());
}
/**
* 图片测试(主要测试横向对齐)
*
* @throws IOException
*/
@Test
public void t01ImgTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 600, outputFormat, 0, 0f);
imageCombiner.addElement(
ImageElement.of(filePath + "cat.jpg", null, null, AlignType.TransverseAlign.LEFT, null, 100, 100)
.setRoundCorner(50)
.setRotate(45)
.setAlpha(0.25f),
ImageElement.of(filePath + "cat.jpg", null, null, AlignType.TransverseAlign.CENTER, null, 100, 100)
.setRoundCorner(50)
.setRotate(90)
.setAlpha(0.5f),
ImageElement.of(filePath + "cat.jpg", null, null, AlignType.TransverseAlign.RIGHT, null, 100, 100)
.setRoundCorner(50)
.setRotate(180)
.setAlpha(0.75f)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "图片01." + outputFormat.getName());
}
/**
* 图片测试(主要测试纵向对齐)
*
* @throws IOException
*/
@Test
public void t02ImgTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 600, outputFormat, 0, 0f);
imageCombiner.addElement(
ImageElement.of(filePath + "cat.jpg", null, null, null, AlignType.VerticalAlign.TOP, 100, 100)
.setRoundCorner(50)
.setRotate(45)
.setAlpha(0.25f),
ImageElement.of(filePath + "cat.jpg", null, null, null, AlignType.VerticalAlign.CENTER, 100, 100)
.setRoundCorner(50)
.setRotate(90)
.setAlpha(0.5f),
ImageElement.of(filePath + "cat.jpg", null, null, null, AlignType.VerticalAlign.BOTTOM, 100, 100)
.setRoundCorner(50)
.setRotate(180)
.setAlpha(0.75f)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "图片02." + outputFormat.getName());
}
/**
* 矩形测试(主要横向试纵向对齐)
*
* @throws IOException
*/
@Test
public void t01RectangleTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 600, outputFormat, 0, 0f);
imageCombiner.addElement(
RectangleElement.of(null, null, AlignType.TransverseAlign.LEFT, null, 0, 100)
.setRoundCorner(50)
.setRotate(30)
.setAlpha(0.25f)
.setColor(Color.RED)
,
RectangleElement.of(null, null, AlignType.TransverseAlign.CENTER, null, 100, 100)
.setRoundCorner(50)
.setRotate(60)
.setAlpha(0.5f)
.setColor(Color.GREEN),
RectangleElement.of(null, null, AlignType.TransverseAlign.RIGHT, null, 0, 100)
.setRoundCorner(50)
.setRotate(90)
.setAlpha(0.75f)
.setColor(Color.BLUE)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "矩形01." + outputFormat.getName());
}
/**
* 矩形测试(主要横向试纵向对齐)
*
* @throws IOException
*/
@Test
public void t02RectangleTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 600, outputFormat, 0, 0f);
imageCombiner.addElement(
RectangleElement.of(0, null, null, AlignType.VerticalAlign.TOP, 100, 100)
.setRoundCorner(50)
.setRotate(30)
.setAlpha(0.25f)
.setColor(Color.RED),
RectangleElement.of(0, null, null, AlignType.VerticalAlign.CENTER, 100, 100)
.setRoundCorner(50)
.setRotate(60)
.setAlpha(0.5f)
.setColor(Color.GREEN),
RectangleElement.of(0, null, null, AlignType.VerticalAlign.BOTTOM, 100, 100)
.setRoundCorner(50)
.setRotate(90)
.setAlpha(0.75f)
.setColor(Color.BLUE)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "矩形02." + outputFormat.getName());
}
@Test
public void t01TextTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 600, outputFormat, 0, 0f);
imageCombiner.addElement(
TextElement.of("汉字文本：你好世界", 0, 0, null, null).setFont(new Font("微软雅黑", Font.PLAIN, 36))
.setColor(Color.CYAN)
.setLineFeed(LineWrapType.BY_TEXT_COUNT, 3),
TextElement.of("English text:Hello world", 0, 200, null, null).setFont(new Font("微软雅黑", Font.PLAIN, 36))
.setColor(Color.GREEN)
.setLineFeed(LineWrapType.BY_PIXEL, 100)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "文本01." + outputFormat.getName());
}
@Test
public void t02TextTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 600, outputFormat, 0, 0f);
imageCombiner.addElement(
TextElement.of("汉字文本：你好世界", null, 0, AlignType.TransverseAlign.CENTER, null).setFont(new Font("微软雅黑", Font.PLAIN, 36))
.setColor(Color.CYAN)
.setLineFeed(LineWrapType.BY_TEXT_COUNT, 3),
TextElement.of("English text:Hello world", null, 200, AlignType.TransverseAlign.CENTER, null).setFont(new Font("微软雅黑", Font.PLAIN, 36))
.setColor(Color.GREEN)
.setLineFeed(LineWrapType.BY_PIXEL, 100)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "文本02." + outputFormat.getName());
}
@Test
public void t03TextTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 600, outputFormat, 0, 0f);
imageCombiner.addElement(
TextElement.of("汉字文本：你好世界", 0, null, null, AlignType.VerticalAlign.TOP).setFont(new Font("微软雅黑", Font.PLAIN, 36))
.setColor(Color.CYAN)
.setLineFeed(LineWrapType.BY_TEXT_COUNT, 3),
TextElement.of("English text:Hello world", 0, null, null, AlignType.VerticalAlign.BOTTOM).setFont(new Font("微软雅黑", Font.PLAIN, 36))
.setColor(Color.GREEN)
.setLineFeed(LineWrapType.BY_PIXEL, 100)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "文本03." + outputFormat.getName());
}
@Test
public void t04TextTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 600, outputFormat, 0, 0f);
imageCombiner.addElement(
TextElement.of("汉字文本：你好世界English text:Hello world", 0, 0, null, null).setFont(new Font("微软雅黑", Font.PLAIN, 36))
.setColor(Color.CYAN)
.setGradient(new Color[]{Color.RED, Color.GREEN, Color.BLUE},
new float[]{0.0f, 0.1f, 0.5f}),
TextElement.of("汉字文本：你好世界English text:Hello world", 0, 200, null, null).setFont(new Font("微软雅黑", Font.PLAIN, 36))
.setColor(Color.CYAN)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "文本04." + outputFormat.getName());
}
@Test
public void t05TextTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 600, outputFormat, 0, 0f);
imageCombiner.addElement(
TextElement.of("静夜思\n" +
"床前明月光，\n" +
"疑是地上霜。\n" +
"举头望明月，\n" +
"低头思故乡。", 0, null, null, AlignType.VerticalAlign.TOP).setFont(new Font("微软雅黑", Font.PLAIN, 36))
.setGradient(new Color[]{Color.RED, Color.GREEN, Color.BLUE},
new float[]{0.0f, 0.1f, 0.5f})
.setLineFeed(LineWrapType.BY_LINE_BREAKS, 0)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "文本05." + outputFormat.getName());
}
@Test
public void t01lineTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 700, outputFormat, 0, 0f);
imageCombiner.addElement(
LineElement.of(200, 300, 200, 400)
.setColor(Color.RED)
);
imageCombiner.addElement(
LineElement.of(200, 300, 200, 400)
.setColor(Color.RED)
.setRotate(90)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "线01." + outputFormat.getName());
}
@Test
public void t02lineTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 700, outputFormat, 0, 0f);
imageCombiner.addElement(
LineElement.of(100, 100, 100, 100, 200, 200, null, null),
LineElement.of(200, 200, 200, 300)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "线02." + outputFormat.getName());
}
@Test
public void oval1() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 300, outputFormat, 0, 0f);
imageCombiner.addElement(OvalElement.of(0, 0, AlignType.TransverseAlign.CENTER, AlignType.VerticalAlign.CENTER, 200, 100)
.setColor(Color.RED));
imageCombiner.generate();
imageCombiner.save(generateFilePath + "椭圆01." + outputFormat.getName());
}
@Test
public void t01MixingTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 600, outputFormat, 0, 0f);
imageCombiner.addElement(
ImageElement.of(filePath + "cat.jpg", null, null, AlignType.TransverseAlign.CENTER, AlignType.VerticalAlign.TOP, 100, 100)
.setRoundCorner(50)
.setRotate(45),
RectangleElement.of(null, null, AlignType.TransverseAlign.CENTER, AlignType.VerticalAlign.CENTER, 100, 100)
.setRoundCorner(50)
.setColor(Color.RED),
TextElement.of("汉字文本：你好世界", null, null, AlignType.TransverseAlign.CENTER, AlignType.VerticalAlign.BOTTOM).setFont(new Font("微软雅黑", Font.PLAIN, 32))
.setAlpha(1f)
.setColor(Color.CYAN)
.setLineFeed(LineWrapType.BY_TEXT_COUNT, 3)
.setStrikethrough(true)
,
TextElement.of("汉字文本：你好世界", 0, 0, null, null).setFont(new Font("宋体", Font.PLAIN, 32))
.setAlpha(1f)
.setColor(Color.CYAN)
.setLineFeed(LineWrapType.BY_TEXT_COUNT, 3)
.setUnderline(true)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "混合01." + outputFormat.getName());
}
@Test
public void clockTest() throws IOException {
ImageCombiner imageCombiner = DefaultImageCombiner.of(400, 700, outputFormat, 0, 0f);
imageCombiner.addElement(
TextElement.of("你好啊", null, 100, AlignType.TransverseAlign.CENTER, null)
.setColor(new Color(0, 255, 255))
.setFont(new Font("宋体", Font.PLAIN, 72))
.setAlpha(0.35f)
);
//表盘
imageCombiner.addElement(
RectangleElement.of(null, null, AlignType.TransverseAlign.CENTER, AlignType.VerticalAlign.CENTER, 200, 200)
.setColor(new Color(30, 31, 34))
.setRoundCorner(200)
);
//时间刻度
for (int i = 0; i < 12; i++) {
imageCombiner.addElement(
LineElement.of(200, 251, 200, (i % 3 == 0 ? 270 : 260))
.setColor(Color.WHITE)
.setRotate(30 * i, 200, 350)
);
}
//时针、分针、秒针
LocalTime localTime = LocalTime.now();
int hour = localTime.getHour();
int minute = localTime.getMinute();
int second = localTime.getSecond();
double hourAngle = (hour % 12 + minute / 60.0 + second / 3600.0) * 30;
double minuteAngle = (minute + second / 60.0) * 6;
double secondAngle = second * 6;
imageCombiner.addElement(
LineElement.of(200, 330, 200, 350)
.setColor(Color.WHITE)
.setRotate((int) hourAngle, 200, 350)
);
imageCombiner.addElement(
LineElement.of(200, 310, 200, 350)
.setColor(Color.WHITE)
.setRotate((int) minuteAngle, 200, 350)
);
imageCombiner.addElement(
LineElement.of(200, 300, 200, 350)
.setColor(Color.RED)
.setRotate((int) secondAngle, 200, 350)
);
imageCombiner.addElement(
TextElement.of("你好啊", null, 600, AlignType.TransverseAlign.CENTER, null)
.setColor(new Color(255, 0, 255))
.setFont(new Font("宋体", Font.PLAIN, 72))
.setAlpha(0.35f)
);
imageCombiner.addElement(
LineElement.of(200, 500, 200, 600)
.setColor(Color.RED)
);
imageCombiner.addElement(
LineElement.of(200, 500, 200, 600)
.setColor(Color.RED)
.setRotate(90)
);
imageCombiner.generate();
imageCombiner.save(generateFilePath + "时钟02." + outputFormat.getName());
}
}| 元素类 | 元素介绍 | |
|---|---|---|
| ImageElement | 图片元素 | |
| TextElement | 文本元素 | |
| RectangleElement | 矩形元素 | |
| LineElement | 线形元素 |
如果提供的元素不能满足或有更好的实现可按一下方式进行扩展
1.创建XxxElement并继承Element
2.创建XxxPainter并继承IPainter(或实现AbstractPainter)
3.在配置中添加对应配置ImageCombinerConfig.setPainter(XxxElement.class,new XxxPainter());