001/*
002 *    Copyright 2024-2025, Warm-Flow (290631660@qq.com).
003 *
004 *    Licensed under the Apache License, Version 2.0 (the "License");
005 *    you may not use this file except in compliance with the License.
006 *    You may obtain a copy of the License at
007 *
008 *       https://www.apache.org/licenses/LICENSE-2.0
009 *
010 *    Unless required by applicable law or agreed to in writing, software
011 *    distributed under the License is distributed on an "AS IS" BASIS,
012 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *    See the License for the specific language governing permissions and
014 *    limitations under the License.
015 */
016package org.dromara.warm.flow.core.chart;
017
018import org.dromara.warm.flow.core.utils.DrawUtils;
019import org.dromara.warm.flow.core.utils.ObjectUtil;
020import org.dromara.warm.flow.core.utils.StringUtils;
021
022import java.awt.*;
023
024/**
025 * 流程图开始或者结束节点
026 */
027public class OvalChart implements FlowChart {
028    private int n;
029
030    private int xStartOval;
031
032    private int yStartOval;
033
034    private Color c;
035
036    private TextChart textChart;
037
038    public OvalChart() {
039    }
040
041    public OvalChart(int xStartOval, int yStartOval, Color c, TextChart textChart) {
042        this.xStartOval = xStartOval;
043        this.yStartOval = yStartOval;
044        this.c = c;
045        this.textChart = textChart;
046    }
047
048    public int getN() {
049        return n;
050    }
051
052    public OvalChart setN(int n) {
053        this.n = n;
054        return this;
055    }
056
057    public int getxStartOval() {
058        return xStartOval;
059    }
060
061    public OvalChart setxStartOval(int xStartOval) {
062        this.xStartOval = xStartOval;
063        return this;
064    }
065
066    public int getyStartOval() {
067        return yStartOval;
068    }
069
070    public OvalChart setyStartOval(int yStartOval) {
071        this.yStartOval = yStartOval;
072        return this;
073    }
074
075    public Color getC() {
076        return c;
077    }
078
079    public OvalChart setC(Color c) {
080        this.c = c;
081        return this;
082    }
083
084    public TextChart getTextChart() {
085        return textChart;
086    }
087
088    public OvalChart setTextChart(TextChart textChart) {
089        this.textChart = textChart;
090        return this;
091    }
092
093    @Override
094    public void draw(Graphics2D graphics) {
095        graphics.setColor(c);
096        graphics.drawOval((xStartOval - 20) * n, (yStartOval - 20) * n, 40 * n, 40 * n);
097        if (ObjectUtil.isNotNull(textChart) && StringUtils.isNotEmpty(textChart.getTitle())) {
098            textChart.setxText(textChart.getxText() - DrawUtils.stringWidth(graphics, textChart.getTitle()) / 2);
099            textChart.setyText(textChart.getyText() + 5);
100            // 填充文字说明
101            textChart.setN(n).draw(graphics);
102        }
103    }
104}