Java 图片设置圆角(设置边框,旁白)

复制代码
/**
     * 图片设置圆角
     * @param srcImage
     * @param radius
     * @param border
     * @param padding
     * @return
     * @throws IOException
     */
    public static BufferedImage setRadius(BufferedImage srcImage, int radius, int border, int padding) throws IOException{
        int width = srcImage.getWidth();
        int height = srcImage.getHeight();
        int canvasWidth = width + padding * 2;
        int canvasHeight = height + padding * 2;
        
        BufferedImage image = new BufferedImage(canvasWidth, canvasHeight, BufferedImage.TYPE_INT_ARGB);
        Graphics2D gs = image.createGraphics();
        gs.setComposite(AlphaComposite.Src);
        gs.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        gs.setColor(Color.WHITE);
        gs.fill(new RoundRectangle2D.Float(0, 0, canvasWidth, canvasHeight, radius, radius));
        gs.setComposite(AlphaComposite.SrcAtop);
        gs.drawImage(setClip(srcImage, radius), padding, padding, null);
        if(border !=0){
            gs.setColor(Color.GRAY);
            gs.setStroke(new BasicStroke(border));
            gs.drawRoundRect(padding, padding, canvasWidth - 2 * padding, canvasHeight - 2 * padding, radius, radius);    
        }
        gs.dispose();
        return image;
    }
    
    /**
     * 图片设置圆角
     * @param srcImage
     * @return
     * @throws IOException
     */
    public static BufferedImage setRadius(BufferedImage srcImage) throws IOException{
        int radius = (srcImage.getWidth() + srcImage.getHeight()) / 6;
        return setRadius(srcImage, radius, 2, 5);
    }
    
    /**
     * 图片切圆角
     * @param srcImage
     * @param radius
     * @return
     */
    public static BufferedImage setClip(BufferedImage srcImage, int radius){
        int width = srcImage.getWidth();
        int height = srcImage.getHeight();
        BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
        Graphics2D gs = image.createGraphics();

        gs.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        gs.setClip(new RoundRectangle2D.Double(0, 0, width, height, radius, radius));
        gs.drawImage(srcImage, 0, 0, null);
        gs.dispose();
        return image;
    }
复制代码

 

posted @   rubekid  阅读(12414)  评论(0编辑  收藏  举报
编辑推荐:
· AI与.NET技术实操系列:基于图像分类模型对图像进行分类
· go语言实现终端里的倒计时
· 如何编写易于单元测试的代码
· 10年+ .NET Coder 心语,封装的思维:从隐藏、稳定开始理解其本质意义
· .NET Core 中如何实现缓存的预热?
阅读排行:
· 25岁的心里话
· 闲置电脑爆改个人服务器(超详细) #公网映射 #Vmware虚拟网络编辑器
· 基于 Docker 搭建 FRP 内网穿透开源项目(很简单哒)
· 零经验选手,Compose 一天开发一款小游戏!
· 通过 API 将Deepseek响应流式内容输出到前端
点击右上角即可分享
微信分享提示