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Location: light9/light8/Xfader.py - annotation
b0342f9ee328
2.6 KiB
text/x-python
attempts to save params, better loading behavior
f974a462133f 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 f974a462133f 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 45b12307c695 | from Tkinter import *
from __future__ import division
class Xfader(Canvas):
def __init__(self, scalelevelsIn):
global scalelevels
scalelevels=scalelevelsIn
self.checkbuttons={}
self.startcoord=None
def sub2(self,a,b):
return ( (a[0]-b[0]), (a[1]-b[1]))
def down(self,ev):
global scalelevels
self.startcoord=(ev.x,-ev.y)
self.startlevels = dict([(k,v.get()) for k,v in scalelevels.items()])
# find the channel names of the selected subs
self.onchannel = {
'x':[x for x in scalelevels.keys() if self.checkbuttons[x]['x'].get()],
'y':[x for x in scalelevels.keys() if self.checkbuttons[x]['y'].get()]
}
#self.create_line(0,0,100,100,tag='transient')
def getoriglevel(self,subname):
return self.startlevels[subname]
def up(self,ev):
self.startcoord=None
self.delete('transient')
# self.clearallbuttons()
def moved(self,ev):
if self.startcoord is None:
return
pos=(ev.x,-ev.y)
deltas= self.sub2(pos,self.startcoord)
for axis,delta in zip(('x','y'),deltas):
onchan=self.onchannel[axis]
for subn in onchan:
newlev = self.getoriglevel(subn) + 1.0*delta/75
newlev = int(newlev*1000)/1000.0
newlev = min(1.0,max(newlev,0.0))
scalelevels[subn].set( newlev )
def width(self):
return int(self['width'])
def height(self):
return int(self['height'])
def setupwidget(self,parent):
Canvas.__init__(self,parent,width=150,height=150,bg="#ff0000")
self.pack(side='bottom')
self.create_rectangle(5,5,self.width()-5,self.height()-5)
self.create_line(0,self.height()/2,150,self.height()/2)
self.create_line(self.width()/2,0,self.width()/2,self.height())
self.bind("<ButtonPress-1>",self.down)
self.bind("<ButtonRelease-1>",self.up)
self.bind("<B1-Motion>",self.moved)
def registerbutton(self,subname,axis,checkvar):
if subname not in self.checkbuttons:
self.checkbuttons[subname]={}
self.checkbuttons[subname][axis]=checkvar
def clearallbuttons(self, axis='both'):
for cb in self.checkbuttons.values():
if axis == 'both':
for a in cb.values():
a.set(0)
else:
cb[axis].set(0)
def grab(self,axis):
self.clearallbuttons(axis)
for n,sv in scalelevels.items():
if sv.get() and n != 'blacklight':
self.checkbuttons[n][axis].set(1)
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