流程图创建图片时箭头异常问题处理

com.actionsoft.apps.coe.pal/src/com/actionsoft/apps/coe/pal/pal/repository/designer/CoeDesignerShapeAPIManager.java

@@ -1182,4 +1182,45 @@ public class CoeDesignerShapeAPIManager {
 		return definition.toString();
 	}
 
+	/**
+	 * 处理连线箭头问题
+	 * @param define
+	 * @return
+	 */
+	public String updateLinkArrow(String define) {
+		JSONObject definition = JSONObject.parseObject(define);
+		JSONObject elements = definition.getJSONObject("elements");
+		Map<String, Map<String, PALMethodAttributeModel>> shapeAttrMap = new HashMap<>();
+		Iterator<String> it = elements.keySet().iterator();
+
+		while (it.hasNext()) {
+			String shapeId = it.next();
+			JSONObject shape = elements.getJSONObject(shapeId);
+			String shapeName = shape.getString("name");
+			if ("linker".equals(shapeName)) {
+				JSONArray points = shape.getJSONArray("points");
+				if (points == null) {
+					points = new JSONArray();
+				}
+				if (points.isEmpty()) {
+					JSONObject from = shape.getJSONObject("from");
+					JSONObject to = shape.getJSONObject("to");
+					if (from != null && to != null) {
+						int fromX = from.getInteger("x");
+						int fromY = from.getInteger("y");
+						int toX = to.getInteger("x");
+						int toY = to.getInteger("y");
+						JSONObject obj = new JSONObject();
+						obj.put("x", ((double) (fromX + toX)) /2);
+						obj.put("y", ((double) (fromY + toY)) /2);
+						points.add(obj);
+					}
+				}
+				shape.put("points", points);
+				elements.put(shapeId, shape);
+			}
+		}
+		return definition.toString();
+	}
+
 }

com.actionsoft.apps.coe.pal/src/com/actionsoft/apps/coe/pal/pal/repository/designer/io/image/CoeDesignerImage.java

@@ -1,5 +1,7 @@
 package com.actionsoft.apps.coe.pal.pal.repository.designer.io.image;
 
+import com.actionsoft.apps.coe.pal.pal.repository.designer.CoeDesignerShapeAPIManager;
+import com.actionsoft.apps.coe.pal.pal.repository.designer.manage.CoeDesignerAPIManager;
 import com.actionsoft.bpms.bpmn.modeler.util.draw.ChartGraphics;
 import com.actionsoft.bpms.util.UtilFile;
 import com.actionsoft.apps.coe.pal.pal.repository.designer.model.BaseModel;
@@ -33,10 +35,12 @@ public class CoeDesignerImage {
 		//保存图片
 		ChartGraphics brush = new ChartGraphics();
 		if (bigImage) {
+			// 处理连线箭头问题
+			String define = CoeDesignerShapeAPIManager.getInstance().updateLinkArrow(model.getDefinition());
 			String pathname =model.getPath()+model.getUUID()+".png";
 			byte[] desginerImg = null;
 			try {
-				desginerImg = brush.draw(model.getDefinition(), null, null); // 获得原图
+				desginerImg = brush.draw(define, null, null); // 获得原图
 				create(pathname, desginerImg);
 			} catch (Exception e) {
 				e.printStackTrace();