<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">Hi,<div> I found out the reason why, I had to explicitly specify the full path to the image file name and it worked.</div><div><br></div><div><span class="Apple-style-span" style="color: rgb(196, 26, 22); font-family: Monaco; font-size: 10px; "><span style="color: rgb(0, 0, 0); ">imageReader-></span><span style="color: rgb(46, 13, 110); ">SetFileName</span><span style="color: rgb(0, 0, 0); ">(</span>"/Users/elvis/Image/sample.jpg"<span style="color: rgb(0, 0, 0); ">);</span></span></div><div><span class="Apple-style-span" style="color: rgb(196, 26, 22); font-family: Monaco; font-size: 10px; "><span style="color: rgb(0, 0, 0); ">imageReader-><span style="color: rgb(46, 13, 110); ">Update</span>();</span></span></div><div><br></div><div>Best regards,</div><div><br></div><div>Elvis Dowson</div><div><br></div><div><div><div><br></div></div></div></body></html>