(Original) Bitmap tool class collection

Make a blog here, dedicated to some basic operation methods of Bitmap

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public static Bitmap ScaleBitmap(Bitmap bit,float sx,float sy){
        Matrix matrix=new Matrix();
        matrix.setScale(sx,sy);
        Bitmap newBmp =Bitmap.createBitmap(bit, 0,0,bit.getWidth(),bit.getHeight(),matrix,true);
        return newBmp;
    }