Move rect functions to their own file

1 files changed, 0 insertions, 60 deletions

diff --git a/lib/utils.coffee b/lib/utils.coffee
index 6cc45f32..b7f8731a 100644
--- a/lib/utils.coffee
+++ b/lib/utils.coffee
@@ -136,66 +136,6 @@ Utils =
   # locale-sensitive uppercase detection
   hasUpperCase: (s) -> s.toLowerCase() != s
 
-  # Create a rect given the top left and bottom right corners.
-  createRect: (x1, y1, x2, y2) ->
-    bottom: y2
-    top: y1
-    left: x1
-    right: x2
-    width: x2 - x1
-    height: y2 - y1
-
-  # Translate a rect by x horizontally and y vertically.
-  shiftRect: (rect, x, y) ->
-    bottom: rect.bottom + y
-    top: rect.top + y
-    left: rect.left + x
-    right: rect.right + x
-    width: rect.width
-    height: rect.height
-
-  # Subtract rect2 from rect1, returning an array of rects which are in rect1 but not rect2.
-  subtractRect: (rect1, rect2_) ->
-    # Bound rect2 by rect1
-    rect2 = {}
-    rect2 = @createRect(
-      Math.max(rect1.left, rect2_.left),
-      Math.max(rect1.top, rect2_.top),
-      Math.min(rect1.right, rect2_.right),
-      Math.min(rect1.bottom, rect2_.bottom)
-    )
-
-    # If bounding rect2 has made the width or height negative, rect1 does not contain rect2.
-    return [rect1] if rect2.width < 0 or rect2.height < 0
-
-    #
-    # All the possible rects, in the order
-    # +-+-+-+
-    # |1|2|3|
-    # +-+-+-+
-    # |4| |5|
-    # +-+-+-+
-    # |6|7|8|
-    # +-+-+-+
-    # where the outer rectangle is rect1 and the inner rectangle is rect 2. Note that the rects may be of
-    # width or height 0.
-    #
-    rects = [
-      # Top row.
-      @createRect rect1.left, rect1.top, rect2.left, rect2.top
-      @createRect rect2.left, rect1.top, rect2.right, rect2.top
-      @createRect rect2.right, rect1.top, rect1.right, rect2.top
-      # Middle row.
-      @createRect rect1.left, rect2.top, rect2.left, rect2.bottom
-      @createRect rect2.right, rect2.top, rect1.right, rect2.bottom
-      # Bottom row.
-      @createRect rect1.left, rect2.bottom, rect2.left, rect1.bottom
-      @createRect rect2.left, rect2.bottom, rect2.right, rect1.bottom
-      @createRect rect2.right, rect2.bottom, rect1.right, rect1.bottom
-    ]
-
-    rects.filter (rect) -> rect.height > 0 and rect.width > 0
-
 # This creates a new function out of an existing function, where the new function takes fewer arguments. This
 # allows us to pass around functions instead of functions + a partial list of arguments.
 Function::curry = ->