package com.xxxx.util;import com.madgag.gif.fmsware.AnimatedGifEncoder;
import com.madgag.gif.fmsware.GifDecoder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;import javax.swing.*;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.ByteArrayOutputStream;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;public class GifUtils {private static Logger logger = LoggerFactory.getLogger(GifUtils.class);public static void main(String[] args) throws Exception {long timestart = System.currentTimeMillis();InputStream inputStream1 = new FileInputStream("E:\\Workspace\\image\\gif_flag_test.gif");String dpath="E:\\Workspace\\image\\gif_flag_test_r.gif";//InputStream inputStream1 = new FileInputStream("E:\\Workspace\\image\\gif_flag_test_2.gif");//String dpath="E:\\Workspace\\image\\gif_flag_test_r_2.gif";String iconpath="E:\\Workspace\\tomcat\\webapps\\win_case_hover.png";GifUtils.getGifSticker(dpath,"测试",inputStream1,iconpath,0,155,156);long timeend = System.currentTimeMillis();logger.info("用时"+(timeend-timestart));}public static void getGifSticker(String desPath, InputStream inputStream, String iconPath)throws FontFormatException, IOException{getGifSticker(desPath,"测试",inputStream,iconPath,0,155,156);}public static void getGifSticker(String url,String markContent, InputStream inputStream, String iconPath,Integer degree, int srcWidth, int srcHeight) throws FontFormatException, IOException {ByteArrayOutputStream outputStream = new ByteArrayOutputStream();try {if(srcWidth < 131 || srcHeight < 18 ) {logger.info("图片尺寸小于水印尺寸，跳过！");return;}GifDecoder decoder = new GifDecoder();//读入gif数据流decoder.read(inputStream);//获取GIF的宽高Dimension dimension = decoder.getFrameSize();int height = (int)dimension.getHeight();//获取字体文件数据流，用于规范生成文字的字体格式//InputStream intput = GifUtils.class.getResourceAsStream(fontName);//生成字体Font font = new Font("宋体",Font.TRUETYPE_FONT,18);//Font.createFont(Font.TRUETYPE_FONT, intput);//要是想使用deriveFont设置字体大小必须重新指定Font，而且不支持整数型，只能使用浮点类型//Font font = font1.deriveFont(25.0f);//读取帧数int frameCount = decoder.getFrameCount();AnimatedGifEncoder encoder = new AnimatedGifEncoder();//String url = "C:\\Users\\TMP\\o\\" + + System.currentTimeMillis()+".gif";encoder.start(url);encoder.setRepeat(0);Graphics2D g = null;ImageIcon imgIcon = new ImageIcon(iconPath);// 得到Image对象。Image img = imgIcon.getImage();float alpha = 1f; // 透明度/*** 对GIF进行拆分* 每一帧进行文字处理* 组装*/for (int i = 0; i < frameCount; i++) {BufferedImage buffImg=decoder.getFrame(i);//g=buffImg.createGraphics();g=(Graphics2D) buffImg.getGraphics();//初始化图像//g = (Graphics2D) decoder.getFrame(i).getGraphics();/*** RenderingHint是对图片像素，锯齿等等做的优化，可保证生成的图片放大锯齿点阵也不会很明显*///g.setRenderingHint(SunHints.KEY_ANTIALIASING, SunHints.VALUE_ANTIALIAS_ON);//g.setRenderingHint(SunHints.KEY_TEXT_ANTIALIASING, SunHints.VALUE_TEXT_ANTIALIAS_DEFAULT);
// g.setRenderingHint(SunHints.KEY_STROKE_CONTROL, SunHints.VALUE_STROKE_PURE);
// g.setRenderingHint(SunHints.KEY_TEXT_ANTIALIAS_LCD_CONTRAST, 100);
// g.setRenderingHint(SunHints.KEY_FRACTIONALMETRICS, SunHints.VALUE_FRACTIONALMETRICS_OFF);
// g.setRenderingHint(SunHints.KEY_RENDERING, SunHints.VALUE_RENDER_DEFAULT);//g.setColor(Color.black);//g.setFont(font);// 设置对线段的锯齿状边缘处理g.setRenderingHint(RenderingHints.KEY_INTERPOLATION,RenderingHints.VALUE_INTERPOLATION_BILINEAR);g.setComposite(AlphaComposite.Src);g.drawImage(buffImg.getScaledInstance(buffImg.getWidth(null), buffImg.getHeight(null), Image.SCALE_SMOOTH), 0, 0, null);if (null != degree) {// 设置水印旋转g.rotate(Math.toRadians(degree),(double) buffImg.getWidth() / 2, (double) buffImg.getHeight() / 2);}g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_ATOP,alpha));
//表示水印图片的位置，叠加图层g.drawImage(img, 12, 10, null);;g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));//设置打印文字和坐标,此处应该和图片二选一if(StringUtils.isNotBlank(markContent)){//水印文字g.setColor(Color.black);g.setFont(font);g.drawString(markContent, 12, 22);}g.dispose();//组装每一帧encoder.addFrame(buffImg);//设置每帧的切换时间if (i != frameCount - 1) {encoder.setDelay(decoder.getDelay(i));}}encoder.finish();byte b[] = outputStream.toByteArray();}finally {try {if (null != outputStream)outputStream.close();} catch (IOException e) {}}}
}
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