light9 Changeset - 50ba9ec2b17e

Changeset - 50ba9ec2b17e

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drewp@bigasterisk.com - 20 years ago 2005-06-18 06:09:28
drewp@bigasterisk.com

you can now delete curve points

2 files changed with 26 insertions and 6 deletions:

bin/curvecalc

light9/curve.py

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bin/curvecalc

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@@ @@ -347,7 +347,7 @@ root.bind("<Control-Key-s>",savekey) @@
 root.bind("<Control-Key-r>", lambda evt: dispatcher.send('reload all subs'))
 create_status_lines(root)
 for helpline in ["Bindings: C-s save subterms; B1 drag point; C-B1 curve add point; S-B1 sketch points; 1..5 add point at time; Esc see current time; S-Esc see curtime to end; Mousewheel zoom; C-p play/pause music at mouse",
+for helpline in ["Bindings: C-s save subterms; B1 drag point; C-B1 curve add point; S-B1 sketch points; Del point under mouse; 1..5 add point at time; Esc see current time; S-Esc see curtime to end; Mousewheel zoom; C-p play/pause music at mouse",
                  "Available in functions: nsin/ncos period=amp=1; within(a,b) bef(x) aft(x) compare to time; smoove(x) cubic smoothstep; curvename(t) eval curve"]:
     tk.Label(root,text=helpline, font="Helvetica -12 italic",
              anchor='w').pack(side='top',fill='x')

light9/curve.py

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@@ @@ -71,6 +71,11 @@ def angle_between(base, p0, p1): @@
     dot = max(-1,min(1,dot))
     return math.degrees(math.acos(dot))
 def slope(p1,p2):
     if p2[0] == p1[0]:
         return 0
     return (p2[1] - p1[1]) / (p2[0] - p1[0])
 class Sketch:
     """a sketch motion on a curveview, with temporary points while you
     draw, and simplification when you release"""
@@ @@ -117,10 +122,6 @@ class Sketch: @@
         self.curveview.update_curve()
     def slope(self,p1,p2):
         if p2[0] == p1[0]:
             return 0
         return (p2[1] - p1[1]) / (p2[0] - p1[0])
 class Curveview(tk.Canvas):
     def __init__(self,master,curve,**kw):
@@ @@ -302,11 +303,26 @@ class Curveview(tk.Canvas): @@
                       lambda ev,i=i: self.dotmotion(ev,i))
             self.bind("<ButtonRelease-1>",
                       lambda ev,i=i: self.dotrelease(ev,i))
             #self.tag_bind('handle%d' % i, "<Key-d>",
             #              lambda ev, i=i: self.remove_point_idx(i))
             self.dots[i]=dot
         def delpoint(ev):
             # had a hard time tag_binding to the points, so i trap at
             # the widget level (which might be nice anyway when there
             # are multiple pts selected)
             tags = self.gettags(self.find_closest(ev.x, ev.y))
             try:
                 handletags = [t for t in tags if t.startswith('handle')]
                 i = int(handletags[0][6:])
             except IndexError:
                 return
             self.remove_point_idx(i)
         self.bind("<Key-Delete>", delpoint)
         self.highlight_selected_dots()
     def newpointatmouse(self, ev):
         p = self.world_from_screen(ev.x,ev.y)
         x, y = p
@@ @@ -320,6 +336,10 @@ class Curveview(tk.Canvas): @@
         self.curve.insert_pt(p)
         self.update_curve()
     def remove_point_idx(self, i):
         self.curve.points.pop(i)
         self.update_curve()
     def highlight_selected_dots(self):
         for i,d in self.dots.items():
             if i in self.selected_points:

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