<html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body text="#000000" bgcolor="#FFFFFF"> Juan, To my drawing tools, I add pluggable buttons with icons. In that use case, in imageUnrotated:at: method the currentTransformation is a MorphicTranslation (I have no idea why) and it breaks: externalizeScalar: does not work with extent (a asFloat conversion) Not sure what is faulty.. I will try to investigate tomorrow. Thanks Hilaire <pre class="moz-signature" cols="72">-- GNU Dr. Geo <a class="moz-txt-link-freetext" href="http://drgeo.eu">http://drgeo.eu</a> <a class="moz-txt-link-freetext" href="http://blog.drgeo.eu">http://blog.drgeo.eu</a></pre> </body> </html>