typemytype · August 29, 2015 14:04 · Jul 27, 2014 · Jul 26, 2014 · Jul 26, 2014
diff --git a/areaForGlyph.py b/areaForGlyph.py
@@ -1,29 +1,29 @@
 from fontTools.pens.basePen import BasePen
-
+ 
 def pointOnCurve(p1, c1, c2, p2, value):
     dx = p1[0]
     cx = (c1[0] - dx) * 3.0
     bx = (c2[0] - c1[0]) * 3.0 - cx
     ax = p2[0] - dx - cx - bx
-
+ 
     dy = p1[1]
     cy = (c1[1] - dy) * 3.0
     by = (c2[1] - c1[1]) * 3.0 - cy
     ay = p2[1] - dy - cy - by
-
+ 
     mx = ax*(value)**3 + bx*(value)**2 + cx*(value) + dx
     my = ay*(value)**3 + by*(value)**2 + cy*(value) + dy
-
+ 
     return (mx, my)
-
+ 
 class AreaPen(BasePen):
 
     def __init__(self):
         BasePen.__init__(self, None)    
         self.points = []
         self.prevPoint = None
         self.precision = 10
-        self.area = 0
+        self._area = 0
 
     def addPoint(self, pt):
         if self.points and pt == self.points[-1]:
@@ -60,9 +60,12 @@ def calculateArea(self):
             j = (i + 1) % n
             area += self.points[i][0] * self.points[j][1]
             area -= self.points[j][0] * self.points[i][1]
-        self.area += abs(area) * .5
+        self._area += area * .5
         self.points = []
-
+
+    def getArea(self):
+        return abs(self._area)
+
 def AreaForGlyph(glyph):
     # copy the glyph
     glyph = glyph.copy()
@@ -73,6 +76,6 @@ def AreaForGlyph(glyph):
     # draw into the pen
     glyph.draw(pen)
     # return the area
-    return pen.area
-
-print AreaForGlyph(CurrentGlyph())
+    return pen.getArea()
+ 
+print AreaForGlyph(CurrentGlyph())
diff --git a/areaForGlyph.py b/areaForGlyph.py
@@ -51,7 +51,7 @@ def closePath(self):
         self.calculateArea()
 
     def endPath(self):
-        pass
+        self.calculateArea()
 
     def calculateArea(self):
         n = len(self.points)
@@ -75,4 +75,4 @@ def AreaForGlyph(glyph):
     # return the area
     return pen.area
 
-print AreaForGlyph(CurrentGlyph())
+print AreaForGlyph(CurrentGlyph())
diff --git a/areaForGlyph.py b/areaForGlyph.py
@@ -0,0 +1,78 @@
+from fontTools.pens.basePen import BasePen
+
+def pointOnCurve(p1, c1, c2, p2, value):
+    dx = p1[0]
+    cx = (c1[0] - dx) * 3.0
+    bx = (c2[0] - c1[0]) * 3.0 - cx
+    ax = p2[0] - dx - cx - bx
+
+    dy = p1[1]
+    cy = (c1[1] - dy) * 3.0
+    by = (c2[1] - c1[1]) * 3.0 - cy
+    ay = p2[1] - dy - cy - by
+
+    mx = ax*(value)**3 + bx*(value)**2 + cx*(value) + dx
+    my = ay*(value)**3 + by*(value)**2 + cy*(value) + dy
+
+    return (mx, my)
+
+class AreaPen(BasePen):
+
+    def __init__(self):
+        BasePen.__init__(self, None)    
+        self.points = []
+        self.prevPoint = None
+        self.precision = 10
+        self.area = 0
+
+    def addPoint(self, pt):
+        if self.points and pt == self.points[-1]:
+            return
+        self.points.append(pt)
+
+    def _moveTo(self, pt):
+        self.addPoint(pt)
+        self.prevPoint = pt
+
+    def _lineTo(self, pt):
+        self.addPoint(pt)
+        self.prevPoint = pt
+
+    def _curveToOne(self, pt1, pt2, pt3):
+        self.addPoint(pt1)
+        for v in range(1, self.precision):
+            t = v / float(self.precision)
+            p = pointOnCurve(self.prevPoint, pt1, pt2, pt3, t)
+            self.addPoint(p)
+        self.addPoint(pt3)
+        self.prevPoint = pt3
+
+    def closePath(self):
+        self.calculateArea()
+
+    def endPath(self):
+        pass
+
+    def calculateArea(self):
+        n = len(self.points)
+        area = 0
+        for i in range(n):
+            j = (i + 1) % n
+            area += self.points[i][0] * self.points[j][1]
+            area -= self.points[j][0] * self.points[i][1]
+        self.area += abs(area) * .5
+        self.points = []
+
+def AreaForGlyph(glyph):
+    # copy the glyph
+    glyph = glyph.copy()
+    # area get distorted when there are overlaps
+    glyph.removeOverlap()
+    # create the pan
+    pen = AreaPen()
+    # draw into the pen
+    glyph.draw(pen)
+    # return the area
+    return pen.area
+
+print AreaForGlyph(CurrentGlyph())