--- a/Rectangle.st Fri Nov 24 09:13:05 2017 +0100
+++ b/Rectangle.st Mon Nov 27 11:34:08 2017 +0100
@@ -456,12 +456,14 @@
!
extent:aPoint
- "set the extent from the argument, aPoint with width taken from aPoint x
- and height taken from aPoint y.
+ "set the extent from the argument, aPoint
+ with width taken from aPoint x and height taken from aPoint y.
warning: destructive"
width := aPoint x.
height := aPoint y
+
+ "Modified (comment): / 27-11-2017 / 10:57:46 / cg"
!
height
@@ -1041,20 +1043,24 @@
!
moveBy:aPoint
- "destructively translate the rectangle by some distance.
+ "destructively translate the rectangle by some distance (keeping extent unchanged).
sorry for the name inconsistency - but GNU-ST named it that way"
left := left + aPoint x.
top := top + aPoint y
+
+ "Modified (comment): / 27-11-2017 / 10:42:54 / cg"
!
moveTo:aPoint
- "destructively translate the rectangle to have its origin at aPoint."
+ "destructively translate the rectangle to have its origin at aPoint (keeping extent unchanged)."
|diff|
diff := aPoint - self origin.
self origin:aPoint corner:self corner + diff
+
+ "Modified (comment): / 27-11-2017 / 10:42:48 / cg"
!
scaleBy:scale
@@ -1094,7 +1100,7 @@
translateBy:amount
"translate (i.e. move) the receiver rectangle
- by amount, a Point or Number.
+ by amount, a Point or Number (keeping extent unchanged).
This is destructive (modifies the receiver, not a copy) and
should only be used if you know, that you are the exclusive owner
of the receiver. (use translatedBy if in doubt)"
@@ -1102,12 +1108,12 @@
|amountPoint|
(amount isMemberOf:Point) ifTrue:[ "type hint to stc"
- left := left + amount x.
- top := top + amount y
+ left := left + amount x.
+ top := top + amount y
] ifFalse:[
- amountPoint := amount asPoint.
- left := left + amountPoint x.
- top := top + amountPoint y
+ amountPoint := amount asPoint.
+ left := left + amountPoint x.
+ top := top + amountPoint y
]
"
@@ -1122,6 +1128,8 @@
r2 := r1 translateBy:10.
r1
"
+
+ "Modified (comment): / 27-11-2017 / 10:43:12 / cg"
! !
!Rectangle methodsFor:'displaying'!