package com.ots.project.tool.exam;
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import com.ots.common.utils.StringUtils;
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import com.ots.framework.config.EssConfig;
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import com.ots.framework.shiro.realm.UserRealm;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import javax.imageio.ImageIO;
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import java.awt.*;
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import java.awt.image.BufferedImage;
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import java.io.File;
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import java.io.IOException;
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import java.util.Objects;
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public class ImageUtil {
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public static int widthPic = 0;
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public static int heigthPic = 0;
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public static String profile = EssConfig.getProfile();
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public static String reportTemplates = EssConfig.getReportTemplates();
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private static final Logger log = LoggerFactory.getLogger(UserRealm.class);
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public static BufferedImage waterMarkByText(int width, int heigth, String text, Color color,
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Font font, Double degree, float alpha) {
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BufferedImage buffImg = new BufferedImage(width, heigth, BufferedImage.TYPE_INT_RGB);
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Graphics2D g2d = buffImg.createGraphics();
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buffImg = g2d.getDeviceConfiguration()
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.createCompatibleImage(width, heigth, Transparency.TRANSLUCENT);
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g2d.dispose();
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g2d = buffImg.createGraphics();
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g2d.setRenderingHint(RenderingHints.KEY_INTERPOLATION,
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RenderingHints.VALUE_INTERPOLATION_BILINEAR);
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if (null != degree) {
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g2d.rotate(Math.toRadians(degree), (double) buffImg.getWidth() / 2,
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(double) buffImg.getHeight() / 2);
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}
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g2d.setColor(color);
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g2d.setFont(font);
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g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, alpha));
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float realWidth = getRealFontWidth(text);
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float fontSize = font.getSize();
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float x = 0.5f * width - 0.5f * fontSize * realWidth;
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float y = 0.5f * heigth + 0.5f * fontSize;
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g2d.drawString(text, x, y);
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g2d.dispose();
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return buffImg;
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}
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public static BufferedImage waterMarkByText(int width, int heigth, String text, Color color, float alpha) {
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Font font = new Font("Dialog", Font.ROMAN_BASELINE, 33);
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return waterMarkByText(width, heigth, text, color, font, -30d, alpha);
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}
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public static BufferedImage waterMarkByText(int width, int heigth, String text, float alpha) {
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return waterMarkByText(width, heigth, text, Color.GRAY, alpha);
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}
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public static BufferedImage waterMarkByText(int width, int heigth, String text) {
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return waterMarkByText(width, heigth, text, 0.2f);
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}
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public static BufferedImage waterMarkByText(String text) {
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return waterMarkByText(200, 150, text);
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}
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private static float getRealFontWidth(String text) {
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int len = text.length();
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float width = 0f;
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for (int i = 0; i < len; i++) {
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if (text.charAt(i) < 256) {
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width += 0.5f;
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} else {
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width += 1.0f;
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}
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}
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return width;
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}
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public static void creteWaterDropPic(String key, String waterDrop, float scorceF, String member_id, String suffixDate) {
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int CANVAS_W = 1000;
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int CANVAS_H = 96;
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int waterDropImageX = 6;
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int waterDropImageY = 0;
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int scorce100 = 825;
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int barImageX = 0;
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int barImageY = 30;
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float scorce = scorceF / 100;
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if (key.indexOf("ResponseFidelityDiagnosis") != -1) {
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CANVAS_H = 105;
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waterDropImageX = 2;
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scorce100 = 812;
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barImageY = 5;
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}
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if (key.indexOf("RuilinTestResultValidityDiagnosisContext") != -1) {
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CANVAS_H = 105;
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waterDropImageX = 2;
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scorce100 = 730;
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barImageY = 5;
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}
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if (key.indexOf("RuilinTestResultValidityDiagnosisContext") != -1) {
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CANVAS_H = 105;
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waterDropImageX = 2;
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scorce100 = 730;
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barImageY = 5;
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}
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if (Objects.equals(key,"Combined_waterDrops") || Objects.equals(key,"P_Abstract_context_waterDrops") || Objects.equals(key,"P_Numeric_context_waterDrops") ) {
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CANVAS_H = 105;
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waterDropImageX = 2;
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scorce100 = 811;
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barImageY = 5;
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}
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String barName = "";
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if (StringUtils.isNotEmpty(ExamUtil.getBarPictureMap(key))) {
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barName = ExamUtil.getBarPictureMap(key);
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} else {
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barName = "";
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}
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BufferedImage barImage = getImage(reportTemplates + barName);
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BufferedImage waterDropImage = getImage(reportTemplates + waterDrop);
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CANVAS_H = barImage.getHeight() + waterDropImage.getHeight();
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CANVAS_H = CANVAS_H - (CANVAS_H - barImageY - barImage.getHeight());
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CANVAS_W = barImage.getWidth();
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BufferedImage image = new BufferedImage(CANVAS_W, CANVAS_H, BufferedImage.TYPE_USHORT_565_RGB);
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Graphics2D g2d = image.createGraphics();
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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image = g2d.getDeviceConfiguration().createCompatibleImage(CANVAS_W, CANVAS_H, Transparency.TRANSLUCENT);
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g2d.dispose();
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g2d = image.createGraphics();
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setBarPicture( barImageX, barImageY, g2d, barImage);
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int waterDropOffsetX = setWaterDrop(waterDrop, waterDropImageX, waterDropImageY, scorce100, scorce, g2d, waterDropImage);
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setText(String.valueOf(Math.round(scorceF)), g2d, waterDropOffsetX);
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g2d.dispose();
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outputBarWaterImage(key + "_" + member_id + "_" + String.valueOf(scorceF)+"_" + suffixDate, image);
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}
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private static void outputBarWaterImage(String key, BufferedImage image) {
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try {
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File file = new File( profile + "/" + key + ".png");
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ImageIO.write(image, "png", file);
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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private static void setText(String value, Graphics2D g2d, int waterDropOffsetX) {
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g2d.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING,RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
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g2d.setColor(Color.BLACK);
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Font font = new Font("", Font.BOLD, 14);
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g2d.setFont(font);
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int numX = 0;
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int numY = 19;
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if (value.length() == 2) {
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numX = 12;
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} else if (value.length() == 3) {
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numX = 8;
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} else if (value.length() == 1) {
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numX = 18;
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}
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g2d.drawString(value, numX + waterDropOffsetX, numY);
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}
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private static int setWaterDrop(String waterDrop, int waterDropImageX, int waterDropImageY, int scorce100, float scorce, Graphics2D g2d, BufferedImage waterDropImage) {
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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int waterDropOffsetX = (int) Math.round(scorce100 * scorce + waterDropImageX);
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g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1));
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g2d.drawImage(waterDropImage, waterDropOffsetX, waterDropImageY, waterDropImage.getWidth(), waterDropImage.getHeight(), null);
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return waterDropOffsetX;
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}
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private static void setBarPicture(int barImageX, int barImageY, Graphics2D g2d, BufferedImage barImage) {
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g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
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g2d.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 1));
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g2d.drawImage(barImage, barImageX, barImageY, barImage.getWidth(), barImage.getHeight(), null);
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}
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public static BufferedImage getImage(String path) {
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try {
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File file = new File(path);
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BufferedImage image = ImageIO.read(file);
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return image;
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} catch (IOException e) {
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log.info("异常图片：" + path);
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throw new RuntimeException("获取图片资源异常", e);
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}
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}
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public static void testSpliStr(){
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String str = "{start.png}0{start.png}2{start.png}{start.png}{start.png}5{start.png}";
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int position = 0;
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int poiter = 0;
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int end = str.length();
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int starLength = "{start.png}".length();
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while (position < end) {
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position = str.indexOf("{start.png}", position);
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String value = "";
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if (position == -1) {
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value = str.substring(poiter, end);
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System.out.println("最后文本：" + value);
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break;
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}
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if (poiter == position) {
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position = position + starLength;
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System.out.println("图片：" + str.substring(poiter, position));
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poiter = position;
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continue;
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} else {
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System.out.println("文本：" + str.substring(poiter, position));
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poiter = position;
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position = poiter + starLength;
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System.out.println("图片：" + str.substring(poiter, position));
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poiter = position;
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}
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}
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}
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public static void main(String[] args) {
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ImageUtil.creteWaterDropPic("P_Combined_waterDrops", "waterDropOrange.png", 0,"222","2020");
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ImageUtil.creteWaterDropPic("P_Abstract_waterDrops", "waterDropOrange.png", 50,"222","2020");
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ImageUtil.creteWaterDropPic("P_Numeric_waterDrops", "waterDropOrange.png", 100,"222","2020");
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testSpliStr();
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}
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}
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