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42 lines
751 B
Tcl
42 lines
751 B
Tcl
#! /usr/local/bin/wish
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proc drawlines {} {
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puts [clock format [clock seconds]]
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for {set j 0} {$j < 100} {incr j} {
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puts -nonewline "*"
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flush stdout
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if {$j & 1} {
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set c "blue"
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} {
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set c "red"
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}
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for {set i 0} {$i < 100} {incr i} {
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# .a create line $i 0 0 [expr 500 - $i] -fill $c
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}
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}
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puts [clock format [clock seconds]]
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for {set j 0} {$j < 100} {incr j} {
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puts -nonewline "*"
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flush stdout
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if {$j & 1} {
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set c "blue"
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} {
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set c "red"
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}
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for {set i 0} {$i < 100} {incr i} {
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.a create line $i 0 0 [expr 500 - $i] -fill $c
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}
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}
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puts [clock format [clock seconds]]
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# destroy .
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}
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canvas .a -height 500 -width 500
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button .b -text draw -command drawlines
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pack .a .b -side left
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# eof
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