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-rw-r--r--tk/library/demos/plot.tcl16
1 files changed, 8 insertions, 8 deletions
diff --git a/tk/library/demos/plot.tcl b/tk/library/demos/plot.tcl
index b226c84f2ae..dadf6158c4d 100644
--- a/tk/library/demos/plot.tcl
+++ b/tk/library/demos/plot.tcl
@@ -38,20 +38,21 @@ $c create text 225 20 -text "A Simple Plot" -font $plotFont -fill brown
for {set i 0} {$i <= 10} {incr i} {
set x [expr {100 + ($i*30)}]
$c create line $x 250 $x 245 -width 2
- $c create text $x 254 -text [expr 10*$i] -anchor n -font $plotFont
+ $c create text $x 254 -text [expr {10*$i}] -anchor n -font $plotFont
}
for {set i 0} {$i <= 5} {incr i} {
set y [expr {250 - ($i*40)}]
$c create line 100 $y 105 $y -width 2
- $c create text 96 $y -text [expr $i*50].0 -anchor e -font $plotFont
+ $c create text 96 $y -text [expr {$i*50}].0 -anchor e -font $plotFont
}
-foreach point {{12 56} {20 94} {33 98} {32 120} {61 180}
- {75 160} {98 223}} {
+foreach point {
+ {12 56} {20 94} {33 98} {32 120} {61 180} {75 160} {98 223}
+} {
set x [expr {100 + (3*[lindex $point 0])}]
set y [expr {250 - (4*[lindex $point 1])/5}]
- set item [$c create oval [expr $x-6] [expr $y-6] \
- [expr $x+6] [expr $y+6] -width 1 -outline black \
+ set item [$c create oval [expr {$x-6}] [expr {$y-6}] \
+ [expr {$x+6}] [expr {$y+6}] -width 1 -outline black \
-fill SkyBlue2]
$c addtag point withtag $item
}
@@ -92,8 +93,7 @@ proc plotDown {w x y} {
proc plotMove {w x y} {
global plot
- $w move selected [expr $x-$plot(lastX)] [expr $y-$plot(lastY)]
+ $w move selected [expr {$x-$plot(lastX)}] [expr {$y-$plot(lastY)}]
set plot(lastX) $x
set plot(lastY) $y
}
-