图片过大进行缩放

最新推荐文章于 2023-07-19 17:57:13 发布

糖豆like

最新推荐文章于 2023-07-19 17:57:13 发布

阅读量251

点赞数

分类专栏：代码文章标签： java

本文链接：https://blog.youkuaiyun.com/calivnBao/article/details/126865750

版权

代码专栏收录该内容

23 篇文章

订阅专栏

private static Bitmap zoomImg(Bitmap bitmap,int traWith,int traHeight){
        int scWidth = bitmap.getWidth();
        int scHeight = bitmap.getHeight();
        float widthScale = traWith * 1.0f / scWidth;
        float heightScale = traHeight * 1.0f / scHeight;
        Matrix matrix = new Matrix();
        matrix.postScale(widthScale,heightScale,0,0);
        Bitmap bm = Bitmap.createBitmap(traWith,traHeight,
            Bitmap.Config.RGB_565);
        Canvas canvas = new Canvas(bm);
        Paint paint = new Paint();
        canvas.drawBitmap(bitmap,matrix,paint);
        return bm;
    }