eFORTH utilise l'élément HTML <canvas> pour gérer des formes graphiques. Cet élément est activé en exécutant
le mot gr qui est défini dans le vocabulaire web:
Notice: Undefined variable: Eforth in /home/arduinofom/eforth/articles/pages/installation/web/startGraphics.phtml on line 56
Fatal error: Uncaught Error: Call to a member function sourceForView() on null in /home/arduinofom/eforth/articles/pages/installation/web/startGraphics.phtml:56
Stack trace:
#0 /home/arduinofom/eforth/application/views/scripts/article/index.phtml(7): include()
#1 /home/arduinofom/vendors/ZendFramework-1.12.20/library/Zend/View.php(157): include('/home/arduinofo...')
#2 /home/arduinofom/vendors/ZendFramework-1.12.20/library/Zend/View/Abstract.php(888): Zend_View->_run('/home/arduinofo...')
#3 /home/arduinofom/vendors/ZendFramework-1.12.20/library/Zend/Controller/Action/Helper/ViewRenderer.php(912): Zend_View_Abstract->render(NULL)
#4 /home/arduinofom/vendors/ZendFramework-1.12.20/library/Zend/Controller/Action/Helper/ViewRenderer.php(933): Zend_Controller_Action_Helper_ViewRenderer->renderScript('article/index.p...', NULL)
#5 /home/arduinofom/vendors/ZendFramework-1.12.20/library/Zend/Controller/Action/Helper/ViewRenderer.php(972): Zend_Controller_Action_Helper_ViewRenderer->render()
#6 /home/arduinofom/vendors/ZendFramewo in /home/arduinofom/eforth/articles/pages/installation/web/startGraphics.phtml on line 56