One thing to mention with this technique is that it is based on the
non-negative winding rule. This means that for complex shapes that
have paths that intersect internally it will depend on the order that
you draw your paths (clockwise or counter-clockwise) whether points
are considered inside the
First of all, I found that I'm not the only one who stumbled on this
bug. See
http://groups.google.com/group/google-web-toolkit/browse_thread/thread/96f842dd3a23fc3a/cb447e0aa23997f8
Second, I have reliable workaround, at least for rectangles (and
probably for lines, ovals, etc.). I've tested in
I'm working on a small canvas drawing program with GWT 2.3 and I'm
hitting a problem with IE9. After a user draws a rectangle to the
canvas, I want to allow dragging or resizing. To catch the mouse down
in the rectangle I'm using a technique similar to the one show in this
example:
