绘制弧线比较图

原创

xcltapestry2 2023-01-31 09:30:04 博主文章分类：Android ©著作权

文章标签 弧线比较图 XCL-Charts android 图表引擎 arcline chart android 文章分类 虚拟化云计算

©著作权归作者所有：来自51CTO博客作者xcltapestry2的原创作品，请联系作者获取转载授权，否则将追究法律责任

弧线比较图最早是偶然在 ExcelPro的图表博客这里看到的。当时觉得很有意思图还可以这样摆，今天忽然翻到陈则编写的<<Excel可以这样用>>中又看到了这个图，

就冲动了下，花了一点时间把它加到我的开源图表库XCL-Charts中了。

先上上我放在Demo中的一个例子效果:

绘制弧线比较图_android 图表引擎

/**
 * Copyright 2014  XCL-Charts
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *  
 * @Project XCL-Charts 
 * @Description Android图表基类库
 * @author XiongChuanLiang<br/>(xcl_168@aliyun.com)
 * @license http://www.apache.org/licenses/  Apache v2 License
 * @version 1.5
 */
package com.demo.xclcharts.view;

import java.util.ArrayList;
import java.util.LinkedList;
import java.util.List;

import org.xclcharts.chart.ArcLineChart;
import org.xclcharts.chart.ArcLineData;
import org.xclcharts.renderer.XChart;
import org.xclcharts.renderer.XEnum;

import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.Paint.Align;
import android.util.AttributeSet;
import android.util.Log;


/**
 * @ClassName ArcLineChart01View
 * @Description  弧线比较图的例子
 * @author XiongChuanLiang<br/>(xcl_168@aliyun.com)
 */
public class ArcLineChart01View extends TouchView {
    
    private String TAG = "ArcLineChart01View";
    private ArcLineChart chart = new ArcLineChart();    
    private LinkedList<ArcLineData> chartData = new LinkedList<ArcLineData>();

    public ArcLineChart01View(Context context) {
        super(context);
        // TODO Auto-generated constructor stub
        initView();
    }
    
    public ArcLineChart01View(Context context, AttributeSet attrs){   
            super(context, attrs);   
            initView();
     }
     
     public ArcLineChart01View(Context context, AttributeSet attrs, int defStyle) {
            super(context, attrs, defStyle);
            initView();
     }
     
     private void initView()
     {
            chartDataSet(); 
            chartRender();
     }
            
    @Override  
    protected void onSizeChanged(int w, int h, int oldw, int oldh) {  
        super.onSizeChanged(w, h, oldw, oldh);  
       //图所占范围大小
        chart.setChartRange(w,h);
    }   
    
    
    private void chartRender()
    {
        try {                   
            
            //设置绘图区默认缩进px值
            int [] ltrb = getPieDefaultSpadding();
            chart.setPadding(ltrb[0], ltrb[1], ltrb[2], ltrb[3]);
            //背景
            chart.setApplyBackgroundColor(true);
            chart.setBackgroundColor(Color.WHITE);
            //边框
            chart.getBorder().getLinePaint().setColor(Color.rgb(83, 178, 50));
            chart.showRoundBorder();    
                
            //标题
            chart.setTitle("弧线比较图");
            chart.addSubtitle("(XCL-Charts Demo)");
            chart.setTitleVerticalAlign(XEnum.VerticalAlign.BOTTOM);                
            
            //显示图例
            chart.getPlotLegend().showLegend();
                                    
            //绑定数据源
            chart.setDataSource(chartData);
            
            //标签偏移
            chart.setLabelOffsetX(30f);
            //内环半径所占比例
            //chart.setInnerRadius(0.6f);       
            
            //设置附加信息
            addAttrInfo();
            
        } catch (Exception e) {
            // TODO Auto-generated catch block
            Log.e(TAG, e.toString());
        }
    }
    
    private void chartDataSet()
    {
        
        //设置图表数据源           
        chartData.add(new ArcLineData("closed","29% - closed" ,   (0.29*100),(int)Color.rgb(155, 187, 90)));
        chartData.add(new ArcLineData("inspect","53% - inspect" ,   (0.53*100),(int)Color.rgb(191, 79, 75)));
        chartData.add(new ArcLineData("open","76%" ,  (0.76*100),(int)Color.rgb(242, 167, 69)));
        chartData.add(new ArcLineData("workdone","86%" , (0.86*100),(int)Color.rgb(60, 173, 213)));
        chartData.add(new ArcLineData("dispute","36%" ,  (0.36*100),(int)Color.rgb(90, 79, 88)));   
    }
    
    private void addAttrInfo()
    {
        /
        //设置附加信息
        Paint paintLib = new Paint();
        paintLib.setColor(Color.rgb(46, 164, 212)); 
        paintLib.setTextAlign(Align.CENTER);
        paintLib.setTextSize(30);       
        paintLib.setAntiAlias(true);
        chart.getPlotAttrInfo().addAttributeInfo(XEnum.Location.TOP, "圆弧式条形图", 0.1f, paintLib);         
        chart.getPlotAttrInfo().addAttributeInfo(XEnum.Location.BOTTOM, "XCL-Charts", 0.4f, paintLib);
            
        Paint paintSrc = new Paint();       
        paintSrc.setTextAlign(Align.CENTER);
        paintSrc.setTextSize(25);
        paintSrc.setAntiAlias(true);
        paintSrc.setColor((int)Color.rgb(41, 34, 102));
        chart.getPlotAttrInfo().addAttributeInfo(XEnum.Location.BOTTOM, 
                                "ExcelPro", 0.2f, paintSrc);        
        /
    }
    

    @Override
    public void render(Canvas canvas) {
        try{
            chart.render(canvas);
        } catch (Exception e){
            Log.e(TAG, e.toString());
        }
    }

    @Override
    public List<XChart> bindChart() {
        // TODO Auto-generated method stub      
        List<XChart> lst = new ArrayList<XChart>();
        lst.add(chart);     
        return lst;
    }


}