<div dir="ltr"><div class="gmail_default" style="font-family:courier new,monospace"></div><div class="gmail_default" style="font-family:courier new,monospace"><span id="result_box" class="" lang="en"><span class="">I am researching</span> <span class="">nginx</span> <span class="">module "</span><span>http_image_filter_module</span><span>"</span> <span class="">and</span> <span class="">use</span> <span class="">the crop</span> <span class="">function but I wonder how to check valid size of images before crop them.<br></span></span></div><div><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><font style="font-family:courier new,monospace;color:rgb(102,0,0)" size="2"><br><span style="color:rgb(153,102,51)">____________________</span>_<div class="gmail_default" style="font-family:courier new,monospace;display:inline">​​</div><br style="color:rgb(153,102,51)"><span style="color:rgb(153,102,51)">[E]: <a href="mailto:tinhcx@gmail.com" target="_blank">tinhcx@gmail.com</a></span></font><font size="2"><br style="font-family:courier new,monospace"><span style="font-family:courier new,monospace"></span></font><div style="font-family:courier new,monospace"></div><div style="font-family:courier new,monospace"></div></div></div></div></div></div>
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