starting over

1 files changed, 38 insertions, 38 deletions

diff --git a/lib/rect.py b/lib/rect.py
index 8f61e11..aa5ff44 100644
--- a/lib/rect.py
+++ b/lib/rect.py
@@ -18,71 +18,71 @@ empty = (0, 0), (0, 0)
 # Check if a rectangle is empty.
 #
 def is_empty((left, top), (right, bottom)):
- return left >= right or top >= bottom
+	return left >= right or top >= bottom
 
 
 # Compute the intersection or two or more rectangles.
 # This works with a list or tuple argument.
 #
 def intersect(list):
- if not list: raise error, 'intersect called with empty list'
- if is_empty(list[0]): return empty
- (left, top), (right, bottom) = list[0]
- for rect in list[1:]:
- if is_empty(rect):
- return empty
- (l, t), (r, b) = rect
- if left < l: left = l
- if top < t: top = t
- if right > r: right = r
- if bottom > b: bottom = b
- if is_empty((left, top), (right, bottom)):
- return empty
- return (left, top), (right, bottom)
+	if not list: raise error, 'intersect called with empty list'
+	if is_empty(list[0]): return empty
+	(left, top), (right, bottom) = list[0]
+	for rect in list[1:]:
+		if is_empty(rect):
+			return empty
+		(l, t), (r, b) = rect
+		if left < l: left = l
+		if top < t: top = t
+		if right > r: right = r
+		if bottom > b: bottom = b
+		if is_empty((left, top), (right, bottom)):
+			return empty
+	return (left, top), (right, bottom)
 
 
 # Compute the smallest rectangle containing all given rectangles.
 # This works with a list or tuple argument.
 #
 def union(list):
- (left, top), (right, bottom) = empty
- for (l, t), (r, b) in list[1:]:
- if not is_empty((l, t), (r, b)):
- if l < left: left = l
- if t < top: top = t
- if r > right: right = r
- if b > bottom: bottom = b
- res = (left, top), (right, bottom)
- if is_empty(res):
- return empty
- return res
+	(left, top), (right, bottom) = empty
+	for (l, t), (r, b) in list[1:]:
+		if not is_empty((l, t), (r, b)):
+			if l < left: left = l
+			if t < top: top = t
+			if r > right: right = r
+			if b > bottom: bottom = b
+	res = (left, top), (right, bottom)
+	if is_empty(res):
+		return empty
+	return res
 
 
 # Check if a point is in a rectangle.
 #
 def pointinrect((h, v), ((left, top), (right, bottom))):
- return left <= h < right and top <= v < bottom
+	return left <= h < right and top <= v < bottom
 
 
 # Return a rectangle that is dh, dv inside another
 #
 def inset(((left, top), (right, bottom)), (dh, dv)):
- left = left + dh
- top = top + dv
- right = right - dh
- bottom = bottom - dv
- r = (left, top), (right, bottom)
- if is_empty(r):
- return empty
- else:
- return r
+	left = left + dh
+	top = top + dv
+	right = right - dh
+	bottom = bottom - dv
+	r = (left, top), (right, bottom)
+	if is_empty(r):
+		return empty
+	else:
+		return r
 
 
 # Conversions between rectangles and 'geometry tuples',
 # given as origin (h, v) and dimensions (width, height).
 #
 def rect2geom((left, top), (right, bottom)):
- return (left, top), (right-left, bottom-top)
+	return (left, top), (right-left, bottom-top)
 
 def geom2rect((h, v), (width, height)):
- return (h, v), (h+width, v+height)
+	return (h, v), (h+width, v+height)