Hi everyone!
I'm trying to learn PyCairo, and using the following code, I created a
window with a scale of 200 x 200
CODE:-------------------------------------
#!/usr/bin/python
import gtk
class Window():
def __init__(self):
self.window = gtk.Window()
self.drwArea = gtk.DrawingArea()
self.window.add(self.drwArea)
self.window.show_all()
# Events-----
self.drwArea.add_events(gtk.gdk.POINTER_MOTION_MASK)
# Signals-----
self.window.connect("destroy", lambda e:gtk.main_quit())
self.drwArea.connect("expose-event", expose, self)
self.drwArea.connect("motion-notify-event", motion_notify,
self)
def expose(widget, event, self):
cr = widget.window.cairo_create()
cr.scale(200,200)
def motion_notify(widget, event, self):
print "x=%d y=%d" % (event.x, event.y)
Window()
gtk.main()
-CODE:---------------------------------------------------
The problem is the coordinate system, leaving the point (0.0) in:
______________________________
|(0,0) |
| |
| |
| |
| |
| |
|______________________________|
and I want to stay well:
_______________________________
| |
| |
| |
| |
| |
| |
|(0,0)_________________________|
I tested with cr.translate (-200, -200), but does not work.
I appreciate any suggestions.
Regards.
Craf.
DATES:
Python 2.6.4
Ubuntu 9.10
Gnome 2.28.0
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