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-rw-r--r--src/sugar/graphics/animator.py148
1 files changed, 0 insertions, 148 deletions
diff --git a/src/sugar/graphics/animator.py b/src/sugar/graphics/animator.py
deleted file mode 100644
index 5d5b355..0000000
--- a/src/sugar/graphics/animator.py
+++ /dev/null
@@ -1,148 +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.
-
-"""
-STABLE.
-"""
-
-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, duration, fps=20, easing=EASE_OUT_EXPO):
- gobject.GObject.__init__(self)
- self._animations = []
- self._duration = duration
- self._interval = 1.0 / fps
- self._easing = easing
- self._timeout_sid = 0
- self._start_time = None
-
- def add(self, animation):
- """
- Parameter
- ---------
- animation :
-
- """
- self._animations.append(animation)
-
- def remove_all(self):
- """
- Parameters
- ----------
- None :
-
- Returns
- -------
- None :
-
- """
- self.stop()
- self._animations = []
-
- def start(self):
- """
- Parameters
- ----------
- None :
-
- Returns
- -------
- None
-
- """
- 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):
- """
- Parameters
- ----------
- None :
-
- Returns
- -------
- None :
-
- """
- 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._duration, time.time() - self._start_time)
- current_time = max(current_time, 0.0)
-
- for animation in self._animations:
- animation.do_frame(current_time, self._duration, self._easing)
-
- if current_time == self._duration:
- 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, t, duration, easing):
- """
- Parameters
- ----------
- t:
-
- duration:
-
- easing:
-
- Returns
- None:
-
- """
- start = self.start
- change = self.end - self.start
-
- if t == duration:
- # last frame
- frame = self.end
- else:
- if easing == EASE_OUT_EXPO:
- frame = change * (-pow(2, -10 * t / duration) + 1) + start
- elif easing == EASE_IN_EXPO:
- frame = change * pow(2, 10 * (t / duration - 1)) + start
-
- self.next_frame(frame)
-
- def next_frame(self, frame):
- pass