Files
@ 6f49dc917aa3
Branch filter:
Location: light9/light8/Xfader.py - annotation
6f49dc917aa3
2.6 KiB
text/x-python
start vidref web version. v4l camera frames to web page is working
Ignore-this: 34bcc3b6149a1a3bed31aa5f32a4ddc6
Ignore-this: 34bcc3b6149a1a3bed31aa5f32a4ddc6
71489bb71528 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 e04f7b552bcd 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 Tix 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="grey40")
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)
|