java 画图片

            BufferedImage source = new BufferedImage(750, 1334, BufferedImage.TYPE_INT_RGB);


            Font f1 = new Font("微软雅黑", Font.PLAIN, 21);

            //背景颜色
            Graphics2D backgroud = (Graphics2D) source.createGraphics();
            backgroud.setColor(new Color(254,198,21));
            backgroud.fillRect(0, 0, 750, 1334);//填充整个屏幕
            backgroud.dispose();

            //水印，工具类hutool
            ImageUtil.pressText(source, "文字", Color.white, f1, 240, 595, 1f);

            ImageIO.write(source, "png", new File("d:/new1.png"));