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authorWalter Bender <walter.bender@gmail.com>2011-11-05 19:55:39 (GMT)
committer Walter Bender <walter.bender@gmail.com>2011-11-05 19:55:39 (GMT)
commit60239ed7cd42d294f71d824d6c4d39acebd16a8e (patch)
tree1b01a0790952604f730e0a95d0b7ca86f85f69e5 /TurtleArt
parentcbc9ad3e653823224c06d9a86d1b450408ade58a (diff)
centered rotation on image
Diffstat (limited to 'TurtleArt')
-rw-r--r--TurtleArt/tacanvas.py5
1 files changed, 3 insertions, 2 deletions
diff --git a/TurtleArt/tacanvas.py b/TurtleArt/tacanvas.py
index 72814a9..8474c87 100644
--- a/TurtleArt/tacanvas.py
+++ b/TurtleArt/tacanvas.py
@@ -532,9 +532,10 @@ class TurtleGraphics:
# the set_source_pixbuf attribute.
cr = gtk.gdk.CairoContext(self.canvas)
cr.save()
- cr.translate(x, y) # center the rotation on x, y
+ # center the rotation on the center of the image
+ cr.translate(x + w / 2., y + h / 2.)
cr.rotate(self.heading * DEGTOR)
- cr.translate(-x, -y) # reset the position
+ cr.translate(-x - w / 2., -y - h / 2.)
cr.set_source_pixbuf(pixbuf, x, y)
cr.rectangle(x, y, w, h)
cr.fill()