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# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
import os
import cjson
import math
from theme import *
keys = []
class KeyFrame:
def empty(self):
return self.joints == None
def _setjoints(self, joints, sticks, middle):
if self.empty():
return
# have to traverse in order because
# parent joints must be set right
for stickname in STICKLIST:
(angle,len) = sticks[stickname]
jname = JOINTS[stickname]
(x,y) = getparentjoint(jname, joints, middle)
parents = getparentsticks(stickname)
panglesum = 0
for parentname in parents:
(pangle,plen) = sticks[parentname]
panglesum += pangle
(nx,ny) = self._getpoints(x,y,angle+panglesum,len)
joints[jname] = (nx,ny)
def _getpoints(self, x, y, angle, len):
nx = int(round(x + (len * math.cos(math.radians(angle)))))
ny = int(round(y - (len * math.sin(math.radians(angle)))))
return (nx,ny)
def _initjoints(self):
joints = {}
for stickname in JOINTS:
jname = JOINTS[stickname]
joints[jname] = (0,0)
return joints
class StoredFrame(KeyFrame):
def __init__(self, data=None):
if not data:
self.clear()
else:
def array2tuple(a):
return a and (a[0], a[1])
def hash2tuple(h):
if not h:
return None
out = {}
for i, j in h.items():
out[i] = array2tuple(j)
return out
self.x = scale_keyframe(data['x'])
self.middle = scale_middle(data['middle'])
self.parts = data['parts']
self.sticks = hash2tuple(data['sticks'])
self.joints = hash2tuple(data['joints'])
self._make_thumbs()
self.setjoints()
def collect(self):
return { 'x' : unscale_keyframe(self.x),
'middle' : unscale_middle(self.middle),
'parts' : self.parts,
'sticks' : self.sticks,
'joints' : self.joints }
def setjoints(self):
if not self.empty():
self._setjoints(self.joints, self.sticks, self.middle)
def clear(self):
self.middle = None
self.parts = None
self.sticks = None
self.scaled_sticks = None
self.joints = None
self.scaled_joints = None
def move(self, dx):
if self.scaled_joints:
for jname in self.scaled_joints:
(jx, jy) = self.scaled_joints[jname]
self.scaled_joints[jname] = (jx+dx, jy)
self.x += dx
def assign(self, x):
self.middle = x.middle
self.parts = x.parts.copy()
self.sticks = x.sticks.copy()
self.joints = x.joints.copy()
self._make_thumbs()
def _make_thumbs(self):
if self.empty():
self.scaled_sticks = None
self.scaled_joints = None
return
self.scaled_sticks = self.sticks.copy()
self.scaled_joints = self._initjoints()
for key in self.scaled_sticks:
(angle,len) = self.scaled_sticks[key]
newlen = int(len * .2)
self.scaled_sticks[key] = (angle,newlen)
self._setjoints(self.scaled_joints, self.scaled_sticks,
(self.x, KEYFRAMEHEIGHT/2))
def save(filename):
out = []
for i in keys:
out.append(i.collect())
file(filename, 'w').write(cjson.encode(out))
def load(filename):
inc = cjson.decode(file(filename, 'r').read())
for i, data in enumerate(inc):
keys[i] = StoredFrame(data)
def getparentsticks(stickname):
if stickname in ['RIGHT SHOULDER','LEFT SHOULDER','NECK','TORSO']:
return []
if stickname in ['HEAD']:
return ['NECK']
if stickname == 'UPPER RIGHT ARM':
return ['RIGHT SHOULDER']
if stickname == 'LOWER RIGHT ARM':
return ['UPPER RIGHT ARM','RIGHT SHOULDER']
if stickname == 'UPPER LEFT ARM':
return ['LEFT SHOULDER']
if stickname == 'LOWER LEFT ARM':
return ['UPPER LEFT ARM','LEFT SHOULDER']
if stickname == 'RIGHT HIP':
return ['TORSO']
if stickname == 'UPPER RIGHT LEG':
return ['RIGHT HIP','TORSO']
if stickname == 'LOWER RIGHT LEG':
return ['UPPER RIGHT LEG','RIGHT HIP','TORSO']
if stickname == 'RIGHT FOOT':
return ['LOWER RIGHT LEG','UPPER RIGHT LEG','RIGHT HIP','TORSO']
if stickname == 'LEFT HIP':
return ['TORSO']
if stickname == 'UPPER LEFT LEG':
return ['LEFT HIP','TORSO']
if stickname == 'LOWER LEFT LEG':
return ['UPPER LEFT LEG','LEFT HIP','TORSO']
if stickname == 'LEFT FOOT':
return ['LOWER LEFT LEG','UPPER LEFT LEG','LEFT HIP','TORSO']
def getparentjoint(jname, joints, middle):
if jname in ['rightshoulder','leftshoulder','groin','neck']:
return middle
parentjoints = {'rightelbow':'rightshoulder',
'righthand':'rightelbow',
'leftelbow':'leftshoulder',
'lefthand':'leftelbow',
'righthip':'groin',
'rightknee':'righthip',
'rightheel':'rightknee',
'righttoe':'rightheel',
'lefthip':'groin',
'leftknee':'lefthip',
'leftheel':'leftknee',
'lefttoe':'leftheel',
'head':'neck'}
return joints[parentjoints[jname]]
def screen_shot(pixbuf):
tmpdir = '/tmp'
filename = 'fp%03d.png' % i
filepath = os.path.join(tmpdir,filename)
pixbuf.save(filepath,'png')
from sugar.datastore import datastore
mediaObject = datastore.create()
mediaObject.metadata['title'] = 'FlipSticks PNG'
thumbData = _get_base64_pixbuf_data(pixbuf)
mediaObject.metadata['preview'] = thumbData
#medaiObject.metadata['icon-color'] = ''
mediaObject.metadata['mime_type'] = 'image/png'
mediaObject.file_path = filepath
datastore.write(mediaObject)
def _save_data_to_buffer_cb(buf, data):
data[0] += buf
return True
def _get_base64_pixbuf_data(pixbuf):
data = [""]
pixbuf.save_to_callback(_save_data_to_buffer_cb, "png", {}, data)
import base64
return base64.b64encode(str(data[0]))
for i in range(5):
key = StoredFrame()
keyframe_width = KEYFRAMEWIDTH/5
key.x = keyframe_width/2 + i*keyframe_width
keys.append(key)
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