first commit

xm

2024-06-14 722af26bc6fec32bb289b1df51a9016a4935610f

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package com.dl.flowable.config;
 
import org.flowable.bpmn.model.AssociationDirection;
import org.flowable.image.impl.DefaultProcessDiagramCanvas;
 
import java.awt.*;
import java.awt.geom.Line2D;
import java.awt.geom.RoundRectangle2D;
 
/**
 * @author XuanXuan
 * @date 2021-04-03
 */
public class MyDefaultProcessDiagramCanvas extends DefaultProcessDiagramCanvas {
    //设置高亮线的颜色  这里我设置成绿色
    protected static Color HIGHLIGHT_SEQUENCEFLOW_COLOR = Color.GREEN;
 
    public MyDefaultProcessDiagramCanvas(int width, int height, int minX, int minY, String imageType, String activityFontName, String labelFontName, String annotationFontName, ClassLoader customClassLoader) {
        super(width, height, minX, minY, imageType, activityFontName, labelFontName, annotationFontName, customClassLoader);
    }
 
    public MyDefaultProcessDiagramCanvas(int width, int height, int minX, int minY, String imageType) {
        super(width, height, minX, minY, imageType);
    }
 
 
    /**
     * 画线颜色设置
     */
    @Override
    public void drawConnection(int[] xPoints, int[] yPoints, boolean conditional, boolean isDefault, String connectionType,
                               AssociationDirection associationDirection, boolean highLighted, double scaleFactor) {
 
        Paint originalPaint = g.getPaint();
        Stroke originalStroke = g.getStroke();
 
        g.setPaint(CONNECTION_COLOR);
        if (connectionType.equals("association")) {
            g.setStroke(ASSOCIATION_STROKE);
        } else if (highLighted) {
            //设置线的颜色
            g.setPaint(originalPaint);
            g.setStroke(HIGHLIGHT_FLOW_STROKE);
        }
 
        for (int i = 1; i < xPoints.length; i++) {
            Integer sourceX = xPoints[i - 1];
            Integer sourceY = yPoints[i - 1];
            Integer targetX = xPoints[i];
            Integer targetY = yPoints[i];
            Line2D.Double line = new Line2D.Double(sourceX, sourceY, targetX, targetY);
            g.draw(line);
        }
 
        if (isDefault) {
            Line2D.Double line = new Line2D.Double(xPoints[0], yPoints[0], xPoints[1], yPoints[1]);
            drawDefaultSequenceFlowIndicator(line, scaleFactor);
        }
 
        if (conditional) {
            Line2D.Double line = new Line2D.Double(xPoints[0], yPoints[0], xPoints[1], yPoints[1]);
            drawConditionalSequenceFlowIndicator(line, scaleFactor);
        }
 
        if (associationDirection == AssociationDirection.ONE || associationDirection == AssociationDirection.BOTH) {
            Line2D.Double line = new Line2D.Double(xPoints[xPoints.length - 2], yPoints[xPoints.length - 2], xPoints[xPoints.length - 1], yPoints[xPoints.length - 1]);
            drawArrowHead(line, scaleFactor);
        }
        if (associationDirection == AssociationDirection.BOTH) {
            Line2D.Double line = new Line2D.Double(xPoints[1], yPoints[1], xPoints[0], yPoints[0]);
            drawArrowHead(line, scaleFactor);
        }
        g.setPaint(originalPaint);
        g.setStroke(originalStroke);
    }
 
    /**
     * 高亮节点设置
     */
    @Override
    public void drawHighLight(int x, int y, int width, int height) {
        Paint originalPaint = g.getPaint();
        Stroke originalStroke = g.getStroke();
        //设置高亮节点的颜色
        g.setPaint(HIGHLIGHT_COLOR);
        g.setStroke(THICK_TASK_BORDER_STROKE);
 
        RoundRectangle2D rect = new RoundRectangle2D.Double(x, y, width, height, 20, 20);
        g.draw(rect);
 
        g.setPaint(originalPaint);
        g.setStroke(originalStroke);
    }
}