.TH "rectangl" 3 "Oct 12, 2003"
.SH Rectangle
.PP
.B
Inherits from:

Object
.SH Class Description
.PP
.B
Rectangle
instances are pairs of Point objects\&.  It is mostly Squeak and Stepstone ICpak101 compatible\&.
.SH Method types
.PP 
.B
Creation
.RS 3
.br
* new
.br
* origin:corner:
.br
* origin:extent:
.br
* origin::corner::
.br
* origin::extent::
.br
* free
.RE
.PP 
.B
Motion
.RS 3
.br
* origin:
.br
* corner:
.br
* origin:corner:
.br
* extent::
.br
* extent:
.br
* origin::
.br
* corner::
.RE
.PP 
.B
Comparing
.RS 3
.br
* contains:
.br
* hash
.br
* isEqual:
.RE
.PP 
.B
Interrogation
.RS 3
.br
* left
.br
* right
.br
* top
.br
* bottom
.br
* width
.br
* height
.br
* origin
.br
* topLeft
.br
* topRight
.br
* topCenter
.br
* corner
.br
* bottomLeft
.br
* bottomCenter
.br
* bottomRight
.br
* center
.br
* leftCenter
.br
* rightCenter
.br
* extent
.br
* quickMerge:
.RE
.PP 
.B
Arithmetic
.RS 3
.br
* moveBy:
.br
* translateBy:
.br
* align:with:
.RE
.PP 
.B
Printing
.RS 3
.br
* printOn:
.RE
.SH Methods
.PP 
new
.RS 1
+
.B
new
.RE
.PP
Returns a new rectangle with origin and corner at (0,0)\&.
.PP 
origin:corner:
.RS 1
+
.B
origin
:
.I
p
.B
corner
:
.I
q
.RE
.PP
Returns a new rectangle with origin and corner set to 
.I
p
and 
.I
q
\&.
.PP 
origin:extent:
.RS 1
+
.B
origin
:
.I
p
.B
extent
:
.I
q
.RE
.PP 
origin::corner::
.RS 1
+
.B
origin
:(int)
.I
x1
:(int)
.I
y1
.B
corner
:(int)
.I
x2
:(int)
.I
y2
.RE
.PP 
origin::extent::
.RS 1
+
.B
origin
:(int)
.I
x
:(int)
.I
y
.B
extent
:(int)
.I
w
:(int)
.I
h
.RE
.PP 
free
.RS 1
-
.B
free
.RE
.PP
Frees the 
.I
origin
and 
.I
corner
of the Point too\&.
.PP 
origin:
.RS 1
-
.B
origin
:
.I
p
.RE
.PP 
corner:
.RS 1
-
.B
corner
:
.I
q
.RE
.PP 
origin:corner:
.RS 1
-
.B
origin
:
.I
p
.B
corner
:
.I
q
.RE
.PP
Sets origin and corner to 
.I
p
and 
.I
q
\&.
.PP 
extent::
.RS 1
-
.B
extent
:(int)
.I
w
:(int)
.I
h
.RE
.PP 
extent:
.RS 1
-
.B
extent
:
.I
q
.RE
.PP 
origin::
.RS 1
-
.B
origin
:(int)
.I
x1
:(int)
.I
y1
.RE
.PP 
corner::
.RS 1
-
.B
corner
:(int)
.I
x1
:(int)
.I
y1
.RE
.PP 
contains:
.RS 1
- (
BOOL
)
.B
contains
:
.I
aPoint
.RE
.PP
Yes if inside, or on a border of, the rectangle\&.
.PP 
hash
.RS 1
- (
unsigned
)
.B
hash
.RE
.PP 
isEqual:
.RS 1
- (
BOOL
)
.B
isEqual
:
.I
aRectangle
.RE
.PP
Returns YES if 
.I
aRectangle
is some kind of rectangle, and if corner and origin are equal\&.
.PP 
left
.RS 1
- (
int
)
.B
left
.RE
.PP 
right
.RS 1
- (
int
)
.B
right
.RE
.PP 
top
.RS 1
- (
int
)
.B
top
.RE
.PP 
bottom
.RS 1
- (
int
)
.B
bottom
.RE
.PP 
width
.RS 1
- (
int
)
.B
width
.RE
.PP 
height
.RS 1
- (
int
)
.B
height
.RE
.PP 
origin
.RS 1
-
.B
origin
.RE
.PP 
topLeft
.RS 1
-
.B
topLeft
.RE
.PP
Same as 
.B
origin
\&.
.PP 
topRight
.RS 1
-
.B
topRight
.RE
.PP
Answer the point at the top right corner of the receiver\&'s top horizontal\&.
.PP 
topCenter
.RS 1
-
.B
topCenter
.RE
.PP
Answer the point at the center of the receiver\&'s top horizontal\&.
.PP 
corner
.RS 1
-
.B
corner
.RE
.PP 
bottomLeft
.RS 1
-
.B
bottomLeft
.RE
.PP
Returns the point at the left edge of the bottom horizontal line of the receiver(or bottomLeft for short)\&.
.PP 
bottomCenter
.RS 1
-
.B
bottomCenter
.RE
.PP
Answer the point at the center of the receiver\&'s bottom horizontal\&.
.PP 
bottomRight
.RS 1
-
.B
bottomRight
.RE
.PP
Same as 
.B
corner
\&.
.PP 
center
.RS 1
-
.B
center
.RE
.PP
Return the point at the center of the receiver\&.
.PP 
leftCenter
.RS 1
-
.B
leftCenter
.RE
.PP
Return the point at the center of the receiver\&'s left vertical line\&.
.PP 
rightCenter
.RS 1
-
.B
rightCenter
.RE
.PP
Return the point at the center of the receiver\&'s left vertical line\&.
.PP 
extent
.RS 1
-
.B
extent
.RE
.PP
Return a new Point, set to the width and height of the rectangle\&.
.PP 
quickMerge:
.RS 1
-
.B
quickMerge
:
.I
rect
.RE
.PP
Return the receiver if it encloses the given rectangle or the merge of the two rectangles if it doesn\&'t\&.  This method is an optimization to reduce extra rectangle creations\&.
.PP 
moveBy:
.RS 1
-
.B
moveBy
:
.I
aPoint
.RE
.PP 
translateBy:
.RS 1
-
.B
translateBy
:
.I
p
.RE
.PP
This method is like 
.B
moveBy:
, but returns a new rectangle instead of modifying the receiver\&.
.PP 
align:with:
.RS 1
-
.B
align
:
.I
p1
.B
with
:
.I
p2
.RE
.PP
Answer a rectangle that is translated by 
.I
p2
- 
.I
p1
\&.
.PP 
printOn:
.RS 1
-
.B
printOn
:(IOD)
.I
aFile
.RE