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authorMarco Pesenti Gritti <marco@localhost.localdomain>2008-02-06 09:20:33 (GMT)
committer Marco Pesenti Gritti <marco@localhost.localdomain>2008-02-06 09:20:33 (GMT)
commit488402df7d37cf68d421229968632696a2a97bd7 (patch)
treeddc02e5244f67489658258c590bedfd076cc118d /lib/sugar/graphics/animator.py
parent44efc2a1315efe90eb2edc7a24b1372382222408 (diff)
Split sugar-toolkit out of sugar shell.
Diffstat (limited to 'lib/sugar/graphics/animator.py')
-rw-r--r--lib/sugar/graphics/animator.py94
1 files changed, 0 insertions, 94 deletions
diff --git a/lib/sugar/graphics/animator.py b/lib/sugar/graphics/animator.py
deleted file mode 100644
index 459851b..0000000
--- a/lib/sugar/graphics/animator.py
+++ /dev/null
@@ -1,94 +0,0 @@
-# Copyright (C) 2007, Red Hat, Inc.
-#
-# This library is free software; you can redistribute it and/or
-# modify it under the terms of the GNU Lesser General Public
-# License as published by the Free Software Foundation; either
-# version 2 of the License, or (at your option) any later version.
-#
-# This library is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-# Lesser General Public License for more details.
-#
-# You should have received a copy of the GNU Lesser General Public
-# License along with this library; if not, write to the
-# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-# Boston, MA 02111-1307, USA.
-
-import time
-
-import gobject
-
-EASE_OUT_EXPO = 0
-EASE_IN_EXPO = 1
-
-class Animator(gobject.GObject):
- __gsignals__ = {
- 'completed': (gobject.SIGNAL_RUN_FIRST,
- gobject.TYPE_NONE, ([])),
- }
-
- def __init__(self, time, fps=20, easing=EASE_OUT_EXPO):
- gobject.GObject.__init__(self)
- self._animations = []
- self._time = time
- self._interval = 1.0 / fps
- self._easing = easing
- self._timeout_sid = 0
-
- def add(self, animation):
- self._animations.append(animation)
-
- def remove_all(self):
- self.stop()
- self._animations = []
-
- def start(self):
- if self._timeout_sid:
- self.stop()
-
- self._start_time = time.time()
- self._timeout_sid = gobject.timeout_add(
- int(self._interval * 1000), self._next_frame_cb)
-
- def stop(self):
- if self._timeout_sid:
- gobject.source_remove(self._timeout_sid)
- self._timeout_sid = 0
- self.emit('completed')
-
- def _next_frame_cb(self):
- current_time = min(self._time, time.time() - self._start_time)
- current_time = max(current_time, 0.0)
-
- for animation in self._animations:
- animation.do_frame(current_time, self._time, self._easing)
-
- if current_time == self._time:
- self.stop()
- return False
- else:
- return True
-
-class Animation(object):
- def __init__(self, start, end):
- self.start = start
- self.end = end
-
- def do_frame(self, time, duration, easing):
- start = self.start
- change = self.end - self.start
-
- if time == duration:
- # last frame
- frame = self.end
- else:
- if easing == EASE_OUT_EXPO:
- frame = change * (-pow(2, -10 * time/duration) + 1) + start;
- elif easing == EASE_IN_EXPO:
- frame = change * pow(2, 10 * (time / duration - 1)) + start;
-
- self.next_frame(frame)
-
- def next_frame(self, frame):
- pass