1 files changed, 44 insertions, 0 deletions
diff --git a/third_party/spiro/x3/pyrex/beztest.py b/third_party/spiro/x3/pyrex/beztest.py
new file mode 100644
index 0000000..effd0d5
--- /dev/null
+++ b/third_party/spiro/x3/pyrex/beztest.py
@@ -0,0 +1,44 @@
+import x3
+from math import *
+
+def my_callback(cmd, what, arg, more):
+    print cmd, what, arg
+
+class bez:
+    def __init__(self):
+        self.coords = [(10, 10), (200, 10), (300, 200), (400, 100)]
+        self.hit = None
+    def draw(self, dc):
+        coords = self.coords
+        dc.setrgba(0, 0, 0.5, 1)
+        dc.moveto(coords[0][0], coords[0][1])
+        dc.curveto(coords[1][0], coords[1][1], coords[2][0], coords[2][1],
+                   coords[3][0], coords[3][1])
+        dc.stroke()
+        dc.setrgba(0, 0.5, 0, 0.5)
+        dc.moveto(coords[0][0], coords[0][1])
+        dc.lineto(coords[1][0], coords[1][1])
+        dc.stroke()
+        dc.moveto(coords[2][0], coords[2][1])
+        dc.lineto(coords[3][0], coords[3][1])
+        dc.stroke()
+        dc.setrgba(1, 0, 0, .5)
+        for x, y in coords:
+            dc.rectangle(x - 3, y - 3, 6, 6)
+            dc.fill()
+    def mouse(self, button, mods, x, y):
+        if button == 1:
+            for i in range(4):
+                if hypot(x - self.coords[i][0], y - self.coords[i][1]) < 4:
+                    self.hit = i
+        elif button == -1:
+            self.hit = None
+        elif self.hit != None:
+            self.coords[self.hit] = (x, y)
+            self.view.dirty()
+
+win = x3.window(0, "beztest", my_callback)
+
+x3.view(win, 259, bez())
+
+x3.main()