141 lines
3.9 KiB
Tcl
141 lines
3.9 KiB
Tcl
# This file creates a visual test for arcs. It is part of the Tk
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# visual test suite, which is invoked via the "visual" script.
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#
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# SCCS: @(#) arc.tcl 1.5 96/02/16 10:55:40
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catch {destroy .t}
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toplevel .t
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wm title .t "Visual Tests for Canvas Arcs"
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wm iconname .t "Arcs"
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wm geom .t +0+0
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wm minsize .t 1 1
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canvas .t.c -width 650 -height 600 -relief raised
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pack .t.c -expand yes -fill both
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button .t.quit -text Quit -command {destroy .t}
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pack .t.quit -side bottom -pady 3 -ipadx 4 -ipady 2
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puts "depth is [winfo depth .t]"
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if {[winfo depth .t] > 1} {
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set fill1 aquamarine3
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set fill2 aquamarine3
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set fill3 IndianRed1
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set outline2 IndianRed3
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} else {
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set fill1 black
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set fill2 white
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set fill3 Black
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set outline2 white
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}
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set outline black
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.t.c create arc 20 20 220 120 -start 30 -extent 270 -outline $fill1 -width 14 \
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-style arc
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.t.c create arc 260 20 460 120 -start 30 -extent 270 -fill $fill2 -width 14 \
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-style chord -outline $outline
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.t.c create arc 500 20 620 160 -start 30 -extent 270 -fill {} -width 14 \
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-style chord -outline $outline -outlinestipple gray50
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.t.c create arc 20 260 140 460 -start 45 -extent 90 -fill $fill2 -width 14 \
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-style pieslice -outline $outline
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.t.c create arc 180 260 300 460 -start 45 -extent 90 -fill {} -width 14 \
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-style pieslice -outline $outline
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.t.c create arc 340 260 460 460 -start 30 -extent 150 -fill $fill2 -width 14 \
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-style chord -outline $outline -stipple gray50 -outlinestipple gray25
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.t.c create arc 500 260 620 460 -start 30 -extent 150 -fill {} -width 14 \
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-style chord -outline $outline
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.t.c create arc 20 450 140 570 -start 135 -extent 270 -fill $fill1 -width 14 \
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-style pieslice -outline {}
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.t.c create arc 180 450 300 570 -start 30 -extent -90 -fill $fill1 -width 14 \
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-style pieslice -outline {}
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.t.c create arc 340 450 460 570 -start 320 -extent 270 -fill $fill1 -width 14 \
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-style chord -outline {}
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.t.c create arc 500 450 620 570 -start 350 -extent -110 -fill $fill1 -width 14 \
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-style chord -outline {}
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.t.c addtag arc withtag all
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.t.c addtag circle withtag [.t.c create oval 320 200 340 220 -fill MistyRose3]
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.t.c bind arc <Any-Enter> {
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set prevFill [lindex [.t.c itemconf current -fill] 4]
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set prevOutline [lindex [.t.c itemconf current -outline] 4]
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if {($prevFill != "") || ($prevOutline == "")} {
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.t.c itemconf current -fill $fill3
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}
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if {$prevOutline != ""} {
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.t.c itemconf current -outline $outline2
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}
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}
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.t.c bind arc <Any-Leave> {.t.c itemconf current -fill $prevFill -outline $prevOutline}
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bind .t.c <1> {markarea %x %y}
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bind .t.c <B1-Motion> {strokearea %x %y}
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proc markarea {x y} {
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global areaX1 areaY1
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set areaX1 $x
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set areaY1 $y
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}
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proc strokearea {x y} {
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global areaX1 areaY1 areaX2 areaY2
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if {($areaX1 != $x) && ($areaY1 != $y)} {
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.t.c delete area
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.t.c addtag area withtag [.t.c create rect $areaX1 $areaY1 $x $y \
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-outline black]
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set areaX2 $x
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set areaY2 $y
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}
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}
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bind .t.c <Control-f> {
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puts stdout "Enclosed: [.t.c find enclosed $areaX1 $areaY1 $areaX2 $areaY2]"
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puts stdout "Overlapping: [.t.c find overl $areaX1 $areaY1 $areaX2 $areaY2]"
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}
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bind .t.c <3> {puts stdout "%x %y"}
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# The code below allows the circle to be move by shift-dragging.
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bind .t.c <Shift-1> {
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set curx %x
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set cury %y
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}
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bind .t.c <Shift-B1-Motion> {
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.t.c move circle [expr %x-$curx] [expr %y-$cury]
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set curx %x
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set cury %y
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}
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# The binding below flashes the closest item to the mouse.
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bind .t.c <Control-c> {
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set closest [.t.c find closest %x %y]
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set oldfill [lindex [.t.c itemconf $closest -fill] 4]
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.t.c itemconf $closest -fill IndianRed1
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after 200 [list .t.c itemconfig $closest -fill $oldfill]
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}
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proc c {option value} {.t.c itemconf 2 $option $value}
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bind .t.c a {
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set go 1
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set i 1
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while {$go} {
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if {$i >= 50} {
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set delta -5
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}
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if {$i <= 5} {
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set delta 5
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}
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incr i $delta
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c -start $i
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c -extent [expr 360-2*$i]
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after 20
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update
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}
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}
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bind .t.c b {set go 0}
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bind .t.c <Control-x> {.t.c delete current}
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