java 画图 绘制图片

其他 2020-01-17 11:28:48 阅读次数: 0 
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;

import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.util.Random;
import javax.imageio.ImageIO;

public class FontImage {
	private static Font MAXFONT = new Font("宋体", Font.BOLD, 30);
	private static Font MIDDLEFONT = new Font("宋体", Font.BOLD, 20);
	private static Font SMALLFONT = new Font("宋体", Font.PLAIN, 12);

	private static int PICTURE_WIDTH = 1200;// 图形的宽所占据的像素点（圆形的直径）
	private static int PICTURE_HEIGTH = 300;// 图形的宽所占据的像素点（圆形的直径）


	private static int SHAPE_WIDTH = 40;// 图形的宽所占据的像素点（圆形的直径）
	private static int SHAPE_HEIGTH = 40;// 图形的高所占据的像素点（圆形的直径）
	private static int LINE_LENGTH = 60;// 图形之间的连接线的长度
	private static int OPERATION_NAME_LENGTH = 8;//圆形下面名称的长度

	private static int tempX = 0;


	public static void main(String[] args) throws Exception {
		JSONArray array = new JSONArray();
		Random rd = new Random();
//		int count = rd.nextInt(8) + 1;
		int count = 7;

		for (int i = 0; i < count; i++) {
			JSONObject json = new JSONObject();
			json.put("operationIndex", i + 1);
			json.put("name", "2222222222222" + 1);
			array.add(json);
		}
		createImage( new File("C:\\Users\\hly00\\Desktop\\a.png"), array);
	}


	/**
	* @Description: 绘制图片
	* @params      * @param null
	* @return      
	* @exception   
	* @date        2019/8/24 14:15
	*/
	private void createAllControlPlanShape(File outFile, JSONArray array){
		
	}

	/**
	* @Description: 创建图片
	* @params      * @param null
	* @return      
	* @exception   
	* @date        2019/8/24 14:14
	*/
	public static void createImage(File outFile, JSONArray array) throws Exception {

		BasicStroke bs = new BasicStroke(2);

		// 创建图片
		BufferedImage image = new BufferedImage(PICTURE_WIDTH, PICTURE_HEIGTH,
				BufferedImage.TYPE_INT_BGR);

		Graphics2D g2d = (Graphics2D) image.getGraphics();
		//设置线的宽
		g2d.setStroke(bs);
		// 抗锯齿
		g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);

		g2d.setClip(0, 0, PICTURE_WIDTH, PICTURE_HEIGTH);
		g2d.setColor(Color.WHITE);
		g2d.fillRect(0, 0, PICTURE_WIDTH, PICTURE_HEIGTH);// 先用黑色填充整张图片,也就是背景
		g2d.setColor(Color.BLACK);// 在换成黑色
		g2d.setFont(MAXFONT);// 设置画笔字体


		//图形的中线 距离左上角 的y轴的距离
		int lineY = PICTURE_HEIGTH / 2;
//		System.out.println("lineY = " + lineY);

		int size = array.size();
//		System.out.println("size = " + size);
		int startXPosition = getStartXPosition(size);
//		System.out.println("startXPosition = " + startXPosition);


		//绘制 开始的三角形
		Polygon polygon1 = new Polygon();
		//三角形的顶点坐标
		int x = startXPosition + SHAPE_WIDTH / 2;
		int y = lineY - SHAPE_HEIGTH / 2;
		polygon1.addPoint(x, y);

		//三角形的右点坐标
		x = startXPosition + SHAPE_WIDTH;
		y = lineY + SHAPE_HEIGTH / 2;
		polygon1.addPoint(x, y);

		//三角形的左点坐标
		x = startXPosition;
		y = lineY + SHAPE_HEIGTH / 2;
		polygon1.addPoint(x, y);
		//绘制
		g2d.drawPolygon(polygon1);

		//获取到现在绘图的位置开始的X坐标
		int tempX = getTempX(startXPosition);

		for (int a = 0; a < 3; a++) {
			JSONObject json = JSONObject.fromObject(array.get(a));
			crateShape(json, g2d, lineY);
		}


		//绘制一条横线
		createLine(g2d, lineY);
		JSONObject json3 = JSONObject.fromObject(array.get(3));
		//绘制一条子弹
		createBullet(g2d, lineY, json3);


		//绘制一条横线
		createLine(g2d, lineY);
		JSONObject json4 = JSONObject.fromObject(array.get(4));
		//绘制一条空心箭头
		createArrow(g2d, lineY, json4);


		//绘制一条横线
		createLine(g2d, lineY);
		JSONObject json5 = JSONObject.fromObject(array.get(5));
		//绘制一条矩形
		createDrawRect(g2d, lineY, json5);

		//绘制一条横线
		createBranchLine(g2d, lineY);
		JSONObject json6 = JSONObject.fromObject(array.get(6));
		//绘制一条菱形
		createDiamond(g2d, lineY, json6);

		g2d.dispose();
		ImageIO.write(image, "png", outFile);// 输出png图片
	}

	/**
	 * @return
	 * @throws
	 * @Description: 创建图形
	 * @params * @param null
	 * @date 2019/8/22 15:41
	 */
	private static void crateShape(JSONObject json, Graphics2D g2d, int lineY) {
		//绘制一条横线
		createLine(g2d, lineY);
		//绘制一个圆形 并添加文字
		createRoundAddFont(g2d, lineY, json);


	}

	/**
	 * @return
	 * @throws
	 * @Description: 绘制虚线
	 * @params * @param null
	 * @date 2019/8/22 18:09
	 */
	private static void createBranchLine(Graphics2D g2d, int lineY) {
		int temp_length = LINE_LENGTH / 22;
		//绘制虚线
		g2d.drawLine(tempX, lineY, tempX + temp_length * 4, lineY);//画一条线段
		g2d.drawLine(tempX + temp_length * 6, lineY, tempX + temp_length * 10, lineY);//画一条线段
		g2d.drawLine(tempX + temp_length * 12, lineY, tempX + temp_length * 16, lineY);//画一条线段
		g2d.drawLine(tempX + temp_length * 18, lineY, tempX + temp_length * 22, lineY);//画一条线段
		g2d.drawLine(tempX + temp_length * 24, lineY, tempX + LINE_LENGTH, lineY);//画一条线段
		tempX += LINE_LENGTH;
	}

	/**
	 * @return
	 * @throws
	 * @Description: 绘制子弹并添加序号和图形下面的文字
	 * @params * @param null
	 * @date 2019/8/22 18:09
	 */
	private static void createBullet(Graphics2D g2d, int lineY, JSONObject json) {
		//画出一个闭合多边形(子弹)
		//竖线
		g2d.drawLine(tempX, lineY - SHAPE_HEIGTH / 2, tempX, lineY + SHAPE_HEIGTH / 2);
		//上横线
		g2d.drawLine(tempX, lineY - SHAPE_HEIGTH / 2, tempX + SHAPE_WIDTH / 2, lineY - SHAPE_HEIGTH / 2);
		//下横线
		g2d.drawLine(tempX, lineY + SHAPE_HEIGTH / 2, tempX + SHAPE_WIDTH / 2, lineY + SHAPE_HEIGTH / 2);
		//圆弧
		g2d.drawArc(tempX, lineY - SHAPE_HEIGTH / 2, SHAPE_WIDTH, SHAPE_HEIGTH, -90, 180);


		//获取编号
		String operationIndexStr = json.getString("operationIndex");
		//添加图形里面的序号
		g2d.drawString(operationIndexStr, tempX + (SHAPE_WIDTH / 2) - 9, lineY + 10);
		//添加图形下面的名称
		addShapeUnderStandFont(g2d, json, lineY);
		//更新最新X轴坐标
		tempX += SHAPE_HEIGTH;
	}

	/**
	 * @return
	 * @throws
	 * @Description: 绘制空心箭头并添加序号和图形下面的文字
	 * @params * @param null
	 * @date 2019/8/22 18:09
	 */
	private static void createArrow(Graphics2D g2d, int lineY, JSONObject json) {
		//画出一个闭合多边形(空心箭头)
		int[] xPoints = {tempX, tempX + SHAPE_WIDTH / 2, tempX + SHAPE_WIDTH / 2, tempX + SHAPE_WIDTH, tempX + SHAPE_WIDTH / 2, tempX + SHAPE_WIDTH / 2, tempX};
		int[] yPoints = {lineY - SHAPE_HEIGTH / 4, lineY - SHAPE_HEIGTH / 4, lineY - SHAPE_HEIGTH / 2, lineY, lineY + SHAPE_HEIGTH / 2, lineY + SHAPE_HEIGTH / 4, lineY + SHAPE_HEIGTH / 4};
		g2d.drawPolygon(xPoints, yPoints, 7);

		//获取编号
		String operationIndexStr = json.getString("operationIndex");
		//添加图形里面的序号
		g2d.drawString(operationIndexStr, tempX + (SHAPE_WIDTH / 2) - 9, lineY + 10);
		//添加图形下面的名称
		addShapeUnderStandFont(g2d, json, lineY);
		//更新最新X轴坐标
		tempX += SHAPE_HEIGTH;
	}


	/**
	 * @return
	 * @throws
	 * @Description: 绘制菱形并添加序号和图形下面的文字
	 * @params * @param null
	 * @date 2019/8/22 18:09
	 */
	private static void createDiamond(Graphics2D g, int lineY, JSONObject json) {
		//画出一个闭合多边形(菱形)
		int[] xPoints = {tempX, tempX + SHAPE_WIDTH / 2, tempX + SHAPE_WIDTH, tempX + SHAPE_WIDTH / 2};
		int[] yPoints = {lineY, lineY - SHAPE_HEIGTH / 2, lineY, lineY + SHAPE_HEIGTH / 2};
		g.drawPolygon(xPoints, yPoints, 4);

		//获取编号
		String operationIndexStr = json.getString("operationIndex");
		//添加图形里面的序号
		g.drawString(operationIndexStr, tempX + (SHAPE_WIDTH / 2) - 9, lineY + 10);
		//添加图形下面的名称
		addShapeUnderStandFont(g, json, lineY);
		//更新最新X轴坐标
		tempX += SHAPE_HEIGTH;
	}


	/**
	 * @return
	 * @throws
	 * @Description: 绘制矩形并添加序号和图形下面的文字
	 * @params * @param null
	 * @date 2019/8/22 18:03
	 */
	private static void createDrawRect(Graphics2D g2d, int lineY, JSONObject json) {
		//绘制矩形
		g2d.drawRect(tempX, lineY - SHAPE_HEIGTH / 2, SHAPE_WIDTH, SHAPE_HEIGTH);

		//获取编号
		String operationIndexStr = json.getString("operationIndex");
		//添加图形里面的序号
		g2d.drawString(operationIndexStr, tempX + (SHAPE_WIDTH / 2) - 9, lineY + 10);
		//添加图形下面的名称
		addShapeUnderStandFont(g2d, json, lineY);
		//更新最新X轴坐标
		tempX += SHAPE_HEIGTH;
	}


	/**
	 * @return
	 * @throws
	 * @Description: 绘制 圆形并添加序号和图形下面的文字
	 * @params * @param null
	 * @date 2019/8/22 15:40
	 */
	private static void createRoundAddFont(Graphics2D g2d, int lineY, JSONObject json) {
		//画圆
		g2d.drawRoundRect(tempX, lineY - SHAPE_HEIGTH / 2, SHAPE_WIDTH, SHAPE_HEIGTH, SHAPE_WIDTH, SHAPE_HEIGTH);//画圆
		//获取编号
		String operationIndexStr = json.getString("operationIndex");
		//添加图形里面的序号
		g2d.drawString(operationIndexStr, tempX + (SHAPE_WIDTH / 2) - 9, lineY + 10);
		//添加图形下面的名称
		addShapeUnderStandFont(g2d, json, lineY);
		//更新最新X轴坐标
		tempX += SHAPE_HEIGTH;
	}


	/**
	 * @return
	 * @throws
	 * @Description: 给图形下面添加的名称
	 * @params * @param null
	 * @date 2019/8/22 17:09
	 */
	private static void addShapeUnderStandFont(Graphics2D g2d, JSONObject json, int lineY) {
		//获取名称
		String operatioName = json.getString("name");

		//获取名称长度
		int operatioNameLength = operatioName.length();
//		System.out.println("operatioNameLength = "+operatioNameLength);

		//更换为小字体
		g2d.setFont(SMALLFONT);

		int operationNameY = lineY + SHAPE_HEIGTH;
		int subSize = operatioNameLength / OPERATION_NAME_LENGTH;
		int subLast = operatioNameLength % OPERATION_NAME_LENGTH;
		if (subLast > 0) {
			subSize++;
		}


		for (int i = 0; i < subSize - 1; i++) {
			String str = operatioName.substring(i * OPERATION_NAME_LENGTH, (i + 1) * OPERATION_NAME_LENGTH);
			int length = str.length();
//			System.out.println("str.length = " + length);
//			int operationNameX = tempX - LINE_LENGTH / 2 * length / 16;
			int operationNameX = tempX+SHAPE_WIDTH/2 - OPERATION_NAME_LENGTH/2*10;
//			System.out.println("operationNameX = " + operationNameX);
			g2d.drawString(str, operationNameX, operationNameY);
			operationNameY += SHAPE_HEIGTH / 2 * 2 / 3;
		}

		String str = operatioName.substring((subSize - 1) * OPERATION_NAME_LENGTH);
		final int length = str.length();
//		System.out.println("last.str.length = " + length);
//		int operationNameX = tempX - LINE_LENGTH / 2 * length / 16;
		int operationNameX = tempX+SHAPE_WIDTH/2 - OPERATION_NAME_LENGTH/2*10;
//		System.out.println("operationNameX = " + operationNameX);
		g2d.drawString(str, operationNameX, operationNameY);

		//更换为大字体
		g2d.setFont(MAXFONT);

	}


	/**
	 * @return
	 * @throws
	 * @Description: 绘制横线
	 * @params * @param null
	 * @date 2019/8/22 15:22
	 */
	private static void createLine(Graphics2D g2d, int lineY) {
		g2d.drawLine(tempX, lineY, tempX + LINE_LENGTH, lineY);//画一条线段
		tempX += LINE_LENGTH;
	}


	/**
	 * @return
	 * @throws
	 * @Description: 获取最开始的图形距离左上角 X 轴的距离s
	 * @params * @param int shapeSize 图形的个数
	 * @date 2019/8/22 14:48
	 */
	private static int getStartXPosition(int shapeSize) {
		int start_X = (PICTURE_WIDTH - (SHAPE_WIDTH / 4 * 3) - (SHAPE_WIDTH + LINE_LENGTH) * shapeSize) / 2;
		return start_X;
	}

	/**
	 * @return
	 * @throws
	 * @Description: 获取到现在绘图的位置开始的X坐标
	 * @params * @param null
	 * @date 2019/8/22 15:16
	 */
	private static int getTempX(int startXPosition) {
		tempX = startXPosition + SHAPE_WIDTH / 4 * 3;
		return tempX;
	}

}
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