初始项目

胡仁荣

2022-10-31 fe7381d6e8ec1f427408de0297ac7f41533202f6

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package com.qxueyou.scc.school.util;
 
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.RenderingHints;
import java.awt.Transparency;
import java.awt.geom.Ellipse2D;
import java.awt.image.BufferedImage;
import java.util.List;
import java.util.Map;
 
 
/**
 * Ñ§Ï°±¨¸æѧϰʱ¼ä·Ö²¼Í¼Éú³ÉÀàutils
 * @author xiadehu
 *
 */
public class StudyReportUtils {
 
    /**
     * 
     * @param width Í¼Æ¬¿í¶È
     * @param height Í¼Æ¬¸ß¶È
     * @param startHour1 ¿ªÊ¼Ð¡Ê±1
     * @param text1 ÏÔʾÎı¾1
     * @param startHour2 ¿ªÊ¼Ð¡Ê±2
     * @param text2 ÏÔʾÎı¾2
     * @return BufferedImage ¶ÔÏó
     */
    public static BufferedImage drawPng(int width,int height,List<Map<String,Object>> times){
        
        //³õʼ»¯»­²¼
        BufferedImage image = new BufferedImage(width, height,     BufferedImage.TYPE_INT_RGB);
        Graphics2D g2d = image.createGraphics();
        image = g2d.getDeviceConfiguration().createCompatibleImage(width, height, Transparency.TRANSLUCENT);
        g2d.dispose();
        g2d = image.createGraphics();
         
        //±³¾°
        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        g2d.setColor(new Color(248,197,116));
        double centerX = width/2;
        double centerY = height/2;
        double radius = width/2;
        Ellipse2D circle = new Ellipse2D.Double();
        circle.setFrameFromCenter(centerX, centerY, centerX + radius, centerY+ radius);
        g2d.draw(circle);
        g2d.fill(circle);
        
        //»æÖÆʱ¼äÎÄ×Ö
        for(Map<String,Object> time:times){
            drawStudyTimeArc(width, height, (Integer)time.get("timeFrom"),(Integer)time.get("timeTo"), g2d,new Color(255,255,255));
        }
        
        for(Map<String,Object> time:times){
            drawStudyTimeText(width, height, (Integer)time.get("timeFrom"), (String)time.get("name")+(String)time.get("percent"), g2d,new Color(255,0,0));
        }
        
        g2d.setColor(new Color(255,255,255));
        circle = new Ellipse2D.Double();
        circle.setFrameFromCenter(centerX, centerY, centerX + 6, centerY+ 6);
        g2d.draw(circle);
        g2d.setColor(new Color(248,197,116));
        circle = new Ellipse2D.Double();
        circle.setFrameFromCenter(centerX, centerY, centerX + 5, centerY+ 5);
        g2d.fill(circle);
        
        //ÊÍ·Å
        g2d.dispose();
         
        return image;
    }
 
    private static void drawStudyTimeArc(int width, int height, int startHour,int endHour,
             Graphics2D g2d,Color backGroundColor) {
        
        g2d.setColor(backGroundColor);
        g2d.drawArc(0, 0, width, height, -15*(startHour-5), 15*((24+endHour-startHour)%24));
        g2d.fillArc(0, 0, width, height, -15*(startHour-5), 15*((24+endHour-startHour)%24));
        
    }
    
    private static void drawStudyTimeText(int width, int height, int startHour1,
            String text1, Graphics2D g2d,Color textColor) {
        
        double sin = Math.sin(adjustStartIndex(startHour1)*15*Math.PI/180);
        double cos = Math.cos(adjustStartIndex(startHour1)*15*Math.PI/180);
        
        g2d.setColor(textColor);
        float x1 = (float)(adjustRadius(startHour1,width)/2.0d*sin);
        float x = x1+width/2;
        float y1=(float)(adjustRadius(startHour1,width)/2.0d*cos);
        float y = height/2-y1;
        g2d.setFont(new Font("ËÎÌå", Font.PLAIN, 12));
        g2d.drawString(text1, x, y);
    }
    
    private static float adjustStartIndex(int startHour){
        if(startHour<=3){
            return startHour;
        }
        if(startHour==5){
            return startHour+0.6f;
        }
        if(startHour==6||startHour==7){
            return startHour+0.9f;
        }
        if(startHour>=8&&startHour<=14){
            return startHour+1f;
        }
        if(startHour==15){
            return startHour+0.5f;
        }
        if(startHour==18){
            return startHour+0.3f;
        }
        if(startHour>=19&&startHour<=23){
            return startHour+0.2f;
        }
        return startHour+0.5f;
    }
    
    private static float adjustRadius(int startHour,int width){
        
        switch(startHour){
         case 2:return width-70;
         case 3:return width-70;
         case 4:return width-100;
         case 5:return width-100;
         case 6:return width-100;
         case 7:return width-100;
         case 8:return width-80;
         case 9:return width-70;
         case 11:return width-30;
         case 12:return width-70;
         case 13:return width-30;
         case 14:return width-10;
         case 15:return width-10;
         default :return width-50;
        }
    }
    
    public static void main(String[] args){
    }
}