feat(file): 添加四通道波形图生成功能

- 增加 Objects 工具类导入用于对象比较
- 实现四通道波形图的处理逻辑，支持 4 个数据详情的绘制
- 添加 getTitle2 方法用于生成电压电流标题
- 实现 composeImage 方法用于合成四张图片为一张
- 扩展波形图生成逻辑以支持瞬时数据和有效值数据的四通道显示

pqs-common/common-event/src/main/java/com/njcn/event/file/component/WavePicComponent.java

@@ -22,6 +22,7 @@ import java.io.ByteArrayInputStream;
 import java.util.Base64;
 import java.util.List;
 import java.util.Map;
+import java.util.Objects;
 
 /**
  * @author hongawen
@@ -206,6 +207,37 @@ public class WavePicComponent {
                     waveDataDetail.getColors(), waveDataDetail.getIsOpen()
             );
             picPath = composeImage(firstPic, secondPic);
+        } else if (waveDataDetails.size() == 4) {
+            WaveDataDetail waveDataDetail1 = waveDataDetails.get(0);
+            String pic1 = drawPicUtil.drawWavePic(getTitle2(waveDataDetail1.getChannelName(),time), waveDataDetail1.getInstantData().getAValue(),
+                    waveDataDetail1.getInstantData().getBValue(), waveDataDetail1.getInstantData().getCValue(),
+                    waveDataDetail1.getUnit(), waveDataDetail1.getInstantData().getMax(), waveDataDetail1.getInstantData().getMin(),
+                    waveDataDetail1.getA(), waveDataDetail1.getB(), waveDataDetail1.getC(),
+                    waveDataDetail1.getColors(), waveDataDetail1.getIsOpen()
+            );
+
+            WaveDataDetail waveDataDetail2 = waveDataDetails.get(1);
+            String pic2 = drawPicUtil.drawWavePic(getTitle2(waveDataDetail2.getChannelName(),time), waveDataDetail2.getInstantData().getAValue(),
+                    waveDataDetail2.getInstantData().getBValue(), waveDataDetail2.getInstantData().getCValue(),
+                    waveDataDetail2.getUnit(), waveDataDetail2.getInstantData().getMax(), waveDataDetail2.getInstantData().getMin(),
+                    waveDataDetail2.getA(), waveDataDetail2.getB(), waveDataDetail2.getC(),
+                    waveDataDetail2.getColors(), waveDataDetail2.getIsOpen());
+
+            WaveDataDetail waveDataDetail3 = waveDataDetails.get(2);
+            String pic3 = drawPicUtil.drawWavePic(getTitle2(waveDataDetail3.getChannelName(),time), waveDataDetail3.getInstantData().getAValue(),
+                    waveDataDetail3.getInstantData().getBValue(), waveDataDetail3.getInstantData().getCValue(),
+                    waveDataDetail3.getUnit(), waveDataDetail3.getInstantData().getMax(), waveDataDetail3.getInstantData().getMin(),
+                    waveDataDetail3.getA(), waveDataDetail3.getB(), waveDataDetail3.getC(),
+                    waveDataDetail3.getColors(), waveDataDetail3.getIsOpen());
+
+            WaveDataDetail waveDataDetail4 = waveDataDetails.get(3);
+            String pic4 = drawPicUtil.drawWavePic(getTitle2(waveDataDetail4.getChannelName(),time), waveDataDetail4.getInstantData().getAValue(),
+                    waveDataDetail4.getInstantData().getBValue(), waveDataDetail4.getInstantData().getCValue(),
+                    waveDataDetail4.getUnit(), waveDataDetail4.getInstantData().getMax(), waveDataDetail4.getInstantData().getMin(),
+                    waveDataDetail4.getA(), waveDataDetail4.getB(), waveDataDetail4.getC(),
+                    waveDataDetail4.getColors(), waveDataDetail4.getIsOpen()
+            );
+            picPath = composeImageZl(pic1, pic2, pic3, pic4);
         }
         return picPath;
     }
@@ -286,10 +318,55 @@ public class WavePicComponent {
                     waveDataDetail.getColors(), waveDataDetail.getIsOpen()
             );
             picPath = composeImage(firstPic, secondPic);
+        } else if (waveDataDetails.size() == 4) {
+            WaveDataDetail waveDataDetail1 = waveDataDetails.get(0);
+            String pic1 = drawPicUtil.drawWavePic(getTitle2(waveDataDetail1.getChannelName(),time), waveDataDetail1.getRmsData().getAValue(),
+                    waveDataDetail1.getRmsData().getBValue(), waveDataDetail1.getRmsData().getCValue(),
+                    waveDataDetail1.getUnit(), waveDataDetail1.getRmsData().getMax(), waveDataDetail1.getRmsData().getMin(),
+                    waveDataDetail1.getA(), waveDataDetail1.getB(), waveDataDetail1.getC(),
+                    waveDataDetail1.getColors(), waveDataDetail1.getIsOpen()
+            );
+
+            WaveDataDetail waveDataDetail2 = waveDataDetails.get(1);
+            String pic2 = drawPicUtil.drawWavePic(getTitle2(waveDataDetail2.getChannelName(),time), waveDataDetail2.getRmsData().getAValue(),
+                    waveDataDetail2.getRmsData().getBValue(), waveDataDetail2.getRmsData().getCValue(),
+                    waveDataDetail2.getUnit(), waveDataDetail2.getRmsData().getMax(), waveDataDetail2.getRmsData().getMin(),
+                    waveDataDetail2.getA(), waveDataDetail2.getB(), waveDataDetail2.getC(),
+                    waveDataDetail2.getColors(), waveDataDetail2.getIsOpen());
+
+            WaveDataDetail waveDataDetail3 = waveDataDetails.get(2);
+            String pic3 = drawPicUtil.drawWavePic(getTitle2(waveDataDetail3.getChannelName(),time), waveDataDetail3.getRmsData().getAValue(),
+                    waveDataDetail3.getRmsData().getBValue(), waveDataDetail3.getRmsData().getCValue(),
+                    waveDataDetail3.getUnit(), waveDataDetail3.getRmsData().getMax(), waveDataDetail3.getRmsData().getMin(),
+                    waveDataDetail3.getA(), waveDataDetail3.getB(), waveDataDetail3.getC(),
+                    waveDataDetail3.getColors(), waveDataDetail3.getIsOpen());
+
+            WaveDataDetail waveDataDetail4 = waveDataDetails.get(3);
+            String pic4 = drawPicUtil.drawWavePic(getTitle2(waveDataDetail4.getChannelName(),time), waveDataDetail4.getRmsData().getAValue(),
+                    waveDataDetail4.getRmsData().getBValue(), waveDataDetail4.getRmsData().getCValue(),
+                    waveDataDetail4.getUnit(), waveDataDetail4.getRmsData().getMax(), waveDataDetail4.getRmsData().getMin(),
+                    waveDataDetail4.getA(), waveDataDetail4.getB(), waveDataDetail4.getC(),
+                    waveDataDetail4.getColors(), waveDataDetail4.getIsOpen()
+            );
+            picPath = composeImageZl(pic1, pic2, pic3, pic4);
         }
         return picPath;
     }
 
+    public String getTitle2(String channelName, String time) {
+        String title;
+        if (channelName.toUpperCase().startsWith("SU")) {
+            title ="电压-电网侧" + " 发生时刻：" + time;
+        } else if (channelName.toUpperCase().startsWith("SI")) {
+            title ="电流-电网侧" + " 发生时刻：" + time;
+        } else if (channelName.toUpperCase().startsWith("LU")) {
+            title ="电压-负载侧" + " 发生时刻：" + time;
+        } else {
+            title ="电流-负载侧" + " 发生时刻：" + time;
+        }
+        return title;
+    }
+
     /***
      * 绘制RMS波形图 App端用来绘制图片，会去掉部分数据，只保留开始数据 结束数据
      * @author xy
@@ -364,6 +441,59 @@ public class WavePicComponent {
         }
     }
 
+    private String composeImage(String firstPic, String secondPic, String thirdPic, String forthPic) {
+        try {
+            //第一张图片 base64截取删除前缀data:image/png;base64,
+            BufferedImage imageOne = ImgUtil.toBufferedImage(ImgUtil.toImage(firstPic.substring(22)), ImgUtil.IMAGE_TYPE_PNG);
+            int width = imageOne.getWidth();
+            int height = imageOne.getHeight();
+            int[] imageArrayOne = new int[width * height];
+            imageArrayOne = imageOne.getRGB(0, 0, width, height, imageArrayOne, 0, width);
+            //第二张图片 base64截取删除前缀data:image/png;base64,
+            BufferedImage imageTwo = ImgUtil.toBufferedImage(ImgUtil.toImage(secondPic.substring(22)), ImgUtil.IMAGE_TYPE_PNG);
+            int width2 = imageTwo.getWidth();
+            int height2 = imageTwo.getHeight();
+            int[] ImageArrayTwo = new int[width2 * height2];
+            ImageArrayTwo = imageTwo.getRGB(0, 0, width, height, ImageArrayTwo, 0, width);
+
+            int[] ImageArrayThree = null;
+            if (Objects.equals(thirdPic, "")) {
+                BufferedImage imageThree = ImgUtil.toBufferedImage(ImgUtil.toImage(thirdPic.substring(22)), ImgUtil.IMAGE_TYPE_PNG);
+                int width3 = imageThree.getWidth();
+                int height3 = imageThree.getHeight();
+                ImageArrayThree = new int[width3 * height3];
+                ImageArrayThree = imageThree.getRGB(0, 0, width, height, ImageArrayThree, 0, width);
+            }
+
+            int[] ImageArrayForth = null;
+            if (Objects.equals(forthPic, "")) {
+                BufferedImage imageForth = ImgUtil.toBufferedImage(ImgUtil.toImage(forthPic.substring(22)), ImgUtil.IMAGE_TYPE_PNG);
+                int width4 = imageForth.getWidth();
+                int height4 = imageForth.getHeight();
+                ImageArrayForth = new int[width4 * height4];
+                ImageArrayForth = imageForth.getRGB(0, 0, width, height, ImageArrayForth, 0, width);
+            }
+
+            //新图片
+            BufferedImage imageNew = new BufferedImage(width, height * 2, BufferedImage.TYPE_INT_RGB);
+            BufferedImageGraphicsConfig config = BufferedImageGraphicsConfig.getConfig(imageNew);
+            imageNew = config.createCompatibleImage(width, height * 2, Transparency.TRANSLUCENT);
+            imageNew.setRGB(0, 0, width, height, imageArrayOne, 0, width);
+            imageNew.setRGB(0, height, width, height, ImageArrayTwo, 0, width);
+            if (!Objects.isNull(ImageArrayThree)) {
+                imageNew.setRGB(0, height, width, height, ImageArrayThree, 0, width);
+            }
+            if (!Objects.isNull(ImageArrayForth)) {
+                imageNew.setRGB(0, height, width, height, ImageArrayForth, 0, width);
+            }
+            String resultImg = ImgUtil.toBase64(imageNew, ImgUtil.IMAGE_TYPE_PNG);
+            byte[] bytes = Base64.getDecoder().decode(resultImg);
+            return fileStorageUtil.uploadStream(new ByteArrayInputStream(bytes), OssPath.EVENT_WAVE_PIC, FileUtil.generateFileName("png"));
+        } catch (Exception e) {
+            throw new BusinessException(WaveFileResponseEnum.COMPOSE_PIC_ERROR);
+        }
+    }
+
     /**
      * app越限指标图
      * @param title