publicclassPNGUtils{publicstaticvoidinvertBlackWhite(StringinputPath,StringoutputPath)throwsIOException{// 加载PNG图片BufferedImageimage=ImageIO.read(newFile(inputPath));// 获取图片的宽度和高度intwidth=image.getWidth();intheight=image.getHeight();// 遍历每个像素点for(inty=0;y<height;y++){for(int...
// 在图片上绘制文本g=image.createGraphics();g.setColor(Color.BLACK);g.setFont(newFont("Arial",Font.PLAIN,20));g.drawString("Hello, World!",50,100);g.dispose();// 保存图片try{ImageIO.write(image,"PNG",newFile("transparent_with_text.png"));}catch(IOExceptione){e.printStackTrace();...
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g.drawImage(image, 0, 0, imgWidth, imgHeight, null); g.setBackground(Color.BLACK); //开始绘制水印 //水印字体 Font font = new Font("微软雅黑", Font.BOLD, fontSize); g.setFont(font); FontRenderContext frc = g.getFontRenderContext(); TextLayout tl = new TextLayout(text, font, frc)...
28*@paramwaterImg 水印图片路径,如:C://myPictrue//logo.png 29*@paramx 水印图片距离目标图片左侧的偏移量,如果x<0, 则在正中间 30*@paramy 水印图片距离目标图片上侧的偏移量,如果y<0, 则在正中间 31*@paramalpha 透明度(0.0 -- 1.0, 0.0为完全透明,1.0为完全不透明) ...
private static final int LogoPart = 4; public static void main(String[] args) throws WriterException { //二维码内容 String content = "IT技术分享社区,一个有态度的互联网社区交流平台"; String logoPath = "D:\\logo.png"; // 二维码中间的logo信息 非必须 ...
1、logo加文字2 、只logo3、无logo无文字4、只文字 1.png 2.png 3.png 4.png 四、文字在linux下得展示问题 在jdk中加入指定的字体(宋体) 在jdk目录(/usr/local/jdk1.8.0_331/jre/lib/fonts)下创建目录fallback 将window下的宋体字体放到此目录下 ...
private static final int LogoPart = 4; private static final int BLACK = 0xFF000000;//用于设置图案的颜色 private static final int WHITE = 0xFFFFFFFF; //用于背景色 String format = "png"; public static BufferedImage toBufferedImage(BitMatrix matrix) { ...
{} /** * 添加图片水印 * @param targetImg 目标图片路径,如:C://myPictrue//1.jpg * @param waterImg 水印图片路径,如:C://myPictrue//logo.png * @param x 水印图片距离目标图片左侧的偏移量,如果x<0, 则在正中间 * @param y 水印图片距离目标图片上侧的偏移量,如果y<0, 则在正中间 * @...
("fb-icon-32x32.png"); URL urlSmall = FileBrowser.getClass().getResource("fb-icon-16x16.png"); ArrayList<Image> images = new ArrayList<Image>(); images.add( ImageIO.read(urlBig) ); images.add( ImageIO.read(urlSmall) ); f.setIconImages(images); } catch(Exception weTried) {} ...