equipment-cs/LEDTest/src/com/fire/LightingTestingTask.java

package com.fire;

import java.awt.Color;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

public class LightingTestingTask {

	public static void main(String[] args) {
		String fileName = "D://yellow.jpg";
		LightingTestingTask t = new LightingTestingTask();
		t.readImage(fileName);
	}
	
	public void readImage(String path) {
		try {
//			driver.manage().window().maximize();
			int[] rgb = new int[3];
			BufferedImage img = ImageIO.read(new File(path));
			int width = img.getWidth();
			int height = img.getHeight();
			int minx = img.getMinX();
			int miny = img.getMinY();
			
			System.out.println("width=" + width + ",height=" + height + ".");
			System.out.println("minx=" + minx + ",miniy=" + miny + ".");
			int red = 0;
			int yellow = 0;
			int green = 0;
			for (int i = minx; i < width; i++) {
				for (int j = miny; j < height; j++) {
//					System.out.println(i+":"+j);
					int w=20;
					int h=20;
//					if(height-j<=h && width-i>=w) {
//						//高度超出图片范围，但是宽度未超出
//						
//					}else {
//						BufferedImage rect = img.getSubimage(i, j, w, h);
//					}
					
					
					int pixel = img.getRGB(i, j); // 下面三行代码将一个数字转换为RGB数字
//					Color c = new Color(pixel);
//			        int r = c.getRed();
//			        int g = c.getGreen();
//			        int b = c.getBlue();
//			        System.out.println(c + "\t红=" + r + "\t绿" + g + "\t蓝" + b);
//					int r1 = (pixel >> 16) & 0xFF;
//			        int g1 = (pixel >> 8) & 0xFF;
//			        int b1 = (pixel >> 0) & 0xFF;
//					System.out.println("红="+r1+"\t绿="+g1+"\t蓝="+b1);红=254	绿=167	蓝=186
					rgb[0] = (pixel & 0xff0000) >> 16;
					rgb[1] = (pixel & 0xff00) >> 8;
					rgb[2] = (pixel & 0xff);
					//黄  红=255	绿=250	蓝=194   红=255	绿=246	蓝=191  
					//红=250	 绿=248	蓝=191    红=247	绿=215	蓝=174   红=254	绿=216	蓝=179  
					//绿 红=119	绿=255	蓝=191  红=152	绿=222	蓝=188  红=141	绿=223	蓝=177  红=117	绿=253	蓝=189 红=136	绿=211	蓝=168
					
//							绿色i=251,j=203:(117,116,114)
//							绿色i=251,j=204:(116,115,113)
//							绿色i=251,j=205:(115,114,112)
//							绿色i=251,j=206:(115,114,112)
//							绿色i=251,j=207:(115,114,112)
//							绿色i=251,j=208:(116,115,113)
//							绿色i=251,j=209:(115,114,112)
//							绿色i=251,j=210:(115,114,112)
//							绿色i=251,j=211:(115,114,112)
//							绿色i=251,j=212:(115,114,112)
//							绿色i=251,j=213:(116,115,113)
//							绿色i=251,j=214:(117,116,114)
//							绿色i=251,j=215:(119,118,116)
					
					if(i==543 && j==483) {
						System.out.println("红="+rgb[0]+"\t绿="+rgb[1]+"\t蓝="+rgb[2]);
					}
					if (rgb[0] != 255 || rgb[1] != 255 || rgb[2] != 255) {
						
//						红色判断
						if (rgb[0]>=244 && rgb[1] <=170 && rgb[2] <= 186) {
							red++;
//							System.out.println("红色i=" + i + ",j=" + j + ":(" + rgb[0] + ","
//									+ rgb[1] + "," + rgb[2] + ")");
						} else if (rgb[0] <= 50 && rgb[1] >= 200 && rgb[2] <= 50) {
//							System.out.println("蓝色i=" + i + ",j=" + j + ":(" + rgb[0] + ","
//									+ rgb[1] + "," + rgb[2] + ")");
						} else if (rgb[0] >= 135 && rgb[1] >= 200 && rgb[2] >=165) {
							green++;
//							System.out.println("绿色i=" + i + ",j=" + j + ":(" + rgb[0] + ","
//									+ rgb[1] + "," + rgb[2] + ")");
						}else if(rgb[0] >= 244 && rgb[1] >= 215 && rgb[2] >=190) {
							yellow++;
							System.out.println("黄色i=" + i + ",j=" + j + ":(" + rgb[0] + ","
									+ rgb[1] + "," + rgb[2] + ")");
						}
					}
				}
			}
			System.out.println("red: "+red+"yellow: "+yellow+"green: "+green);
			String maxColor = getMaxColor(red, yellow,green);
			if("".equals(maxColor)) {
				return ;
			}else if("red".equals(maxColor)) {
				//此时是红色
				System.out.println(maxColor);
			}else if("yellow".equals(maxColor)){
				System.out.println(maxColor);
			}else if("green".equals(maxColor)){
				System.out.println(maxColor);
			}
			System.out.println("跑完了...");
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
	}
	
	private String getMaxColor(int red,int yellow,int green){
		String color = "";
		if(red>yellow && red>green) {
			color = "red";
		}else if(yellow>red && yellow>green) {
			color = "yellow";
		}else if(green>red && green>yellow) {
			color = "green";
		}
        return color;
    }
}