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dyyybek/twoPathsExample.py Secret

Created Apr 1, 2017
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twoPathsExample.py
import ui,ctypes,string
from ui import Path
from objc_util import *
UIFont=ObjCClass('UIFont')
import sys
c.CTFontCreatePathForGlyph.restype = c_void_p
c.CTFontCreatePathForGlyph.argtypes = [c_void_p, c_void_p, c_void_p]
createPath=c.CTFontCreatePathForGlyph
l = [[[[(265.0, -15.0), (348.0, -15.0), (405.0, 38.0), (438.0, 100.0)],
[(438.0, 100.0), (438.0, 0.0)],
[(438.0, 0.0), (488.0, 0.0)],
[(488.0, 0.0), (488.0, 460.0)],
[(488.0, 460.0), (438.0, 460.0)],
[(438.0, 460.0), (438.0, 362.0)],
[(438.0, 362.0), (406.0, 422.0), (350.0, 470.0), (265.0, 470.0)],
[(265.0, 470.0), (162.0, 470.0), (59.0, 388.0), (59.0, 226.0)],
[(59.0, 226.0), (59.0, 60.0), (168.0, -15.0), (265.0, -15.0)]],
[[(265.0, 31.0), (169.0, 31.0), (109.0, 116.0), (109.0, 225.0)],
[(109.0, 225.0), (109.0, 333.0), (169.0, 424.0), (265.0, 424.0)],
[(265.0, 424.0), (354.0, 424.0), (437.0, 342.0), (437.0, 225.0)],
[(437.0, 225.0), (437.0, 115.0), (354.0, 31.0), (265.0, 31.0)]]],
[[[(275.0, -20.0), (339.0, -20.0), (388.0, 11.0), (421.0, 54.0)],
[(421.0, 54.0), (421.0, 0.0)],
[(421.0, 0.0), (591.0, 0.0)],
[(591.0, 0.0), (591.0, 470.0)],
[(591.0, 470.0), (421.0, 470.0)],
[(421.0, 470.0), (421.0, 419.0)],
[(421.0, 419.0), (389.0, 460.0), (342.0, 490.0), (278.0, 490.0)],
[(278.0, 490.0), (162.0, 490.0), (53.0, 403.0), (53.0, 231.0)],
[(53.0, 231.0), (53.0, 61.0), (169.0, -20.0), (275.0, -20.0)]],
[[(324.0, 124.0), (265.0, 124.0), (227.0, 175.0), (227.0, 238.0)],
[(227.0, 238.0), (227.0, 300.0), (265.0, 351.0), (324.0, 351.0)],
[(324.0, 351.0), (377.0, 351.0), (421.0, 308.0), (421.0, 238.0)],
[(421.0, 238.0), (421.0, 170.0), (380.0, 124.0), (324.0, 124.0)]]]]
def make_glyph(glyphs):
tempPath = None
for paths in glyphs:
path = Path()
for segment in paths:
if len(segment) == 4:
start_x = segment[0][0]
start_y = segment[0][1]
cp1_x = segment[1][0]
cp1_y = segment[1][1]
cp2_x = segment[2][0]
cp2_y = segment[2][1]
end_x = segment[3][0]
end_y = segment[3][1]
if path.bounds.height == 0 and path.bounds.width == 0:
path.move_to(start_x, start_y)
path.add_curve(end_x, end_y, cp1_x, cp1_y, cp2_x, cp2_y)
else:
path.add_curve(end_x, end_y, cp1_x, cp1_y, cp2_x, cp2_y)
elif len(segment) == 2:
start_x = segment[0][0]
start_y = segment[0][1]
end_x = segment[1][0]
end_y = segment[1][1]
if path.bounds.height == 0 and path.bounds.width == 0:
path.move_to(start_x, start_y)
path.line_to(end_x, end_y)
else:
path.line_to(end_x, end_y)
if tempPath:
tempPath.append_path(path)
else:
tempPath = path
return tempPath
def glyphsListConstruct(list_of_glyphs=l):
return [make_glyph(glyphs) for glyphs in list_of_glyphs]
glyphs_list=[]
for g in glyphsListConstruct():
glyphs_list.append(ObjCInstance(g))
#choose any two glyphs, but must have same number of points, in same order
# this works very well with original glyphpath, not so much with ondevice generated ones
lastglyph = len(glyphs_list) - 1
glyphs_list=[glyphs_list[0],glyphs_list[lastglyph]]
def _get_CGColor(color):
"""Get a CGColor from a wide range of formats."""
return UIColor.colorWithRed_green_blue_alpha_(
*ui.parse_color(color)
).CGColor()
class AniPathView(ui.View):
'''animates a path based on touch'''
def __init__(self, path, color="#21abed",
line_width=1, line_color="#0f210f",
*args, **kwargs):
super().__init__(self, *args, **kwargs)
self.bg_color='white'
# Draw the full path on one layer
self._layer = ObjCClass("CAShapeLayer").new()
self._layer.setStrokeColor_(_get_CGColor(line_color))
self._layer.setFillColor_(_get_CGColor(color))
self._layer.setLineWidth_(line_width)
self._layer.path=path
self.setupani()
self._path=path
self.lasti=0
self.setup_layer()
def setup_layer(self):
ObjCInstance(self).layer().addSublayer_(self._layer)
b=ObjCInstance(self).layer().bounds()
b.size.height-=44
b.origin.y=44
self._layer.frame=b
def curpath(self):
try:
self._layer.presentationLayer().path()
except AttributeError:
return self._path
def touch_began(self,touch):
i=int(touch.location.x/self.width*len(glyphs_list))
p=glyphs_list[i%len(glyphs_list)]
#print(i)
self._layer.timeOffset=touch.location.x/self.width
#self.setPath(p.CGPath())
def touch_moved(self,touch):
i=int(touch.location.x/self.width*len(glyphs_list))
'''if not self.lasti == i:
self.lasti=i
p=glyphs_list[i%len(glyphs_list)]
self.setPath(p.CGPath(),0.2)'''
self._layer.timeOffset=(touch.location.x/self.width)
@on_main_thread
def setupani(self):
animation=ObjCClass('CABasicAnimation').animationWithKeyPath('path')
animation.fromValue = glyphs_list[0].CGPath()
animation.toValue = glyphs_list[1].CGPath()
animation.removedOnCompletion=False
animation.duration=1.
self._layer.speed=0.
self._layer.timeOffset=0.
self._layer.addAnimation(animation, forKey='a')
self.a=animation
#return self.curpath()
def setPath(self,path,duration=0.3):
animation=ObjCClass('CABasicAnimation').animationWithKeyPath('path')
animation.fromValue = self.curpath()
animation.duration=duration
self._path = path
self._layer.addAnimation(animation, forKey=None)
self._layer.path=self._path
#print(self._path)
pv=AniPathView(glyphs_list[0].CGPath())
pv.present()
#pv.setupani(0)
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