Canvas troubleshooting: Difference between revisions

Canvas troubleshooting (view source)

1,005 bytes removed , 24 April 2016

m

→‎Canvas Status: https://forum.flightgear.org/viewtopic.php?f=4&t=28965&p=283392#p283392

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@@ Line 93: / Line 93: @@
 <syntaxhighlight lang="javascript">
-var (width,height) = (320,320);
+####################################
-var title = 'My new Window';
-# create a new window, dimensions are WIDTH x HEIGHT, using the dialog decoration (i.e. titlebar)
-var window = canvas.Window.new([width,height],"dialog")
- .set('title',title);
-##
+# change the background color
-# the del() function is the destructor of the Window
-# which will be called upon termination (dialog closing)
-# you can use this to do resource management (clean up timers, listeners or background threads)
-#window.del = func()
-#{
-#  print("Cleaning up window:",title,"\n");
-# explanation for the call() technique at: http://wiki.flightgear.org/Object_oriented_programming_in_Nasal#Making_safer_base-class_calls
-#  call(canvas.Window.del, [], me);
-#};
-# adding a canvas to the new window and setting up background colors/transparency
-var myCanvas = window.createCanvas().set("background", canvas.style.getColor("bg_color"));
-# Using specific css colors would also be possible:
 myCanvas.set("background", "#ffaac0");
-# creating the top-level/root group which will contain all other elements/group
-var root = myCanvas.createGroup();
-####################################
 var imgSize = 120;