--- /dev/null
+#!/bin/sh
+# next line is a comment in tcl \
+exec wish "$0" ${1+"$@"}
+
+package require Tkspline
+package require Tclpathplan
+
+########################################################################
+# shape - a shape drawing tool for testing the spring layout engine
+#
+# John Ellson - ellson@graphviz.org - September 12, 1996
+
+# requires dash patch
+
+# Radio buttons select the drawing mode.
+# "draw" - draw a closed and filled polygon
+# "stretch" - move a vertex of a polygon, also
+# insert additional vertices with subsequent button 1 clicks
+# "collapse" - delete a vertex of a polygon (except last 2)
+# "move" - move a complete polygon without altering
+# its shape, or move the whole canvas.
+# "rotate" - rotate a polygon about its center
+# "scale" - scale a polygon
+# "clone" - copy an existing shape
+# "delete" - remove an entire polygon object
+# "path" - draw a line between two polygons and the
+# system will respond with the shortest path
+# around all the other polygons.
+# "bezier path" - draw a line between two polygons and the
+# system will respond with the spline that follows
+# the shortest path around all the other polygons.
+# "id" - identify a polygon. mostly for debugging.
+
+# "draw," "stretch," "move," "path", "bezier path", and "clone" use
+# button 1 for first though penultimate points, then button 2 to
+# complete the operation.
+
+# "rotate" and "scale" use the button 1 to grab a polygon and
+# button 2 to complete the operation.
+
+# "collapse" and "delete" just use button 1
+
+# "stretch, " "move, " "collapse," and "delete" operations all act on
+# a highlighted object
+
+# "grid" constrains the locations of input points to lie on a grid of
+# the specified spacing (in pixels).
+
+# Future...
+#
+# some other possible operations:
+# regularize (arrange points on circle)
+# transformations: skew, distort, scale
+# label text (inside or relative)
+# fill & outline color
+# fill & outline stipple
+# fill tile image
+# outline dash (mark, space offset)
+# outline width
+# number of peripheries
+#
+# group/ungroup
+#
+# raise/lower (not required if no overlap)
+#
+# constraints: no overlap
+# no twist
+#
+# resources: shape library
+# stipple patterns
+# tile images
+#
+########################################################################
+
+set splinecolor orange
+
+set showmouse off
+
+proc nextpoint {vc c wx wy} {
+ global id mode oldx oldy gain0 angle0 index grid
+
+ set x [$c canvasx $wx]
+ set y [$c canvasy $wy]
+ set gx [expr $grid * int(($x / $grid) + 0.5)]
+ set gy [expr $grid * int(($y / $grid) + 0.5)]
+ switch $mode {
+ draw {
+ if [info exists id] {
+ $c insert $id 0 [list $gx $gy]
+ } {
+ set id [$c create polygon $gx $gy $gx $gy \
+ -fill red -outline #ffc000]
+ }
+ }
+ stretch {
+ if [info exists id] {
+ $c insert $id $index [list $gx $gy]
+ } {
+ set id [$c find withtag current]
+ if {$id == {}} {
+ unset id
+ } {
+ set index [$c index $id @$x,$y]
+ $c dchars $id $index
+ $c insert $id $index [list $gx $gy]
+ }
+ }
+ }
+ collapse {
+ set id [$c find withtag current]
+ if {$id != {}} {
+ set index [$c index $id @$x,$y]
+ if {[llength [$c coords $id]] > 4} {$c dchars $id $index}
+ $vc coords [lindex [$c gettags $id] 0] [$c coords $id]
+ }
+ unset id
+ }
+ clone {
+ if [info exists id] {
+ set tag [$vc insert [$c coords $id]]
+ $c addtag $tag withtag $id
+ }
+ set t [$c find withtag current]
+ if {$t != {}} {
+ set id [$c create [$c type $t] [$c coords $t]]
+ foreach config [$c itemconfigure $t] {
+ foreach {config . . . val} $config {break}
+ if {$config != "-tags"} {
+ $c itemconfigure $id $config $val
+ }
+ }
+ set oldx $gx
+ set oldy $gy
+ }
+ }
+ move {
+ set id [$c find withtag current]
+ if {$id == {}} {
+ $c scan mark $wx $wy
+ } {
+ set oldx $gx
+ set oldy $gy
+ }
+ }
+ scale {
+ set id [$c find withtag current]
+ if {$id == {}} {
+ unset id
+ } {
+ foreach {oldx oldy} \
+ [$vc center [lindex [$c gettags $id] 0]] {break}
+ set dx [expr $oldx-$x]
+ set dy [expr $oldy-$y]
+ set gain0 [expr sqrt($dx*$dx+$dy*$dy)]
+ }
+ }
+ rotate {
+ set id [$c find withtag current]
+ if {$id == {}} {
+ unset id
+ } {
+ foreach {oldx oldy} [$vc center [lindex [$c gettags $id] 0]] {
+ break
+ }
+ set angle0 [expr atan2($x-$oldx, $oldy-$y)]
+ }
+ }
+ path {
+ if [info exists id] {
+ set path [$c coords $id]
+ if [catch {$vc path $path} path] {
+ puts $path
+ } {
+ $c coords $id $path
+ $c itemconfigure $id -fill red
+ set id [$c create line $x $y $x $y \
+ -fill red -state disabled]
+ }
+ } {
+ set id [$c create line $gx $gy $gx $gy \
+ -fill red -state disabled]
+ }
+ }
+ bpath {
+ if [info exists id] {
+ set path [$c coords $id]
+ if [catch {$vc bpath $path} path] {
+ puts $path
+ } {
+ $c coords $id $path
+ $c itemconfigure $id -fill orange
+ set id [$c create line $x $y $x $y \
+ -smooth spline -fill orange -state disabled]
+ }
+ } {
+ set id [$c create line $gx $gy $gx $gy \
+ -smooth spline -fill orange -state disabled]
+ }
+ }
+ delete {
+ $vc remove [lindex [$c gettags current] 0]
+ $c delete current
+ }
+ triangulate {
+ global mode
+ if {[$vc bind triangle] == {}} {
+ $vc bind triangle {
+ if {$mode == "triangulate"} {
+ $c create polygon %t -tag triangles \
+ -fill {} -outline white -width 2
+ } {
+ $c create polygon %t -tag triangles \
+ -fill {} -outline white -width 2 -state hidden
+ }
+ }
+ }
+ if {$mode == "triangulate"} {
+ $c itemconfigure triangles -state normal
+ } {
+ $c itemconfigure triangles -state hidden
+ }
+ set t [$vc find $x $y]
+ if {$t != {}} {
+ $vc triangulate $t
+ }
+ }
+ id {
+ set t [$vc find $x $y]
+ if {$t == {}} {
+ puts "at: $x $y ....nothing"
+ } {
+ puts "at: $x $y\nid: $t\ncoords: [$vc coords $t]"
+ }
+ }
+ }
+}
+
+proc lastpoint {vc c args} {
+ global id mode
+ if [info exists id] {
+ switch $mode {
+ draw {
+ $c itemconfigure $id -fill darkgreen \
+ -outline yellow -activeoutline #ffc000
+ set tag [$vc insert [$c coords $id]]
+ $c addtag $tag withtag $id
+ }
+ clone {
+ set tag [$vc insert [$c coords $id]]
+ $c addtag $tag withtag $id
+ }
+ move - stretch - rotate - scale {
+ set t [lindex [$c gettags $id] 0]
+ if {$t != {} && $t != "current"} {
+ $vc coords $t [$c coords $id]
+ }
+ }
+ path {
+ set path [$c coords $id]
+ if [catch {$vc path $path} path] {
+ puts $path
+ $c delete $id
+ } {
+ $c coords $id $path
+ $c itemconfigure $id -fill
+ }
+ }
+ bpath {
+ set path [$c coords $id]
+ if [catch {$vc bpath $path} path] {
+ puts $path
+ $c delete $id
+ } {
+ $c coords $id $path
+ $c itemconfigure $id -fill red
+ }
+ }
+ }
+ $c configure -scrollregion [$c bbox all]
+ unset id
+ }
+}
+
+proc motion {vc c wx wy} {
+ global id mode oldx oldy gain0 angle0 index grid showmouse
+ set x [$c canvasx $wx]
+ set y [$c canvasy $wy]
+ if {$showmouse == "on"} {
+ puts -nonewline stderr "\r$x,$y [list [$vc find $x $y]] "
+ }
+ if [info exists id] {
+ switch $mode {
+ draw {
+ set gx [expr $grid * int(($x / $grid) + 0.5)]
+ set gy [expr $grid * int(($y / $grid) + 0.5)]
+ $c dchars $id 0
+ $c insert $id 0 [list $gx $gy]
+ }
+ path {
+ $c dchars $id 0
+ $c insert $id 0 [list $x $y]
+ }
+ bpath {
+ $c dchars $id 0
+ $c insert $id 0 [list $x $y]
+ }
+ move - clone {
+ if {$id == {}} {
+ $c scan dragto $wx $wy 1
+ } {
+ set gx [expr $grid * int(($x / $grid) + 0.5)]
+ set gy [expr $grid * int(($y / $grid) + 0.5)]
+ $c move $id [expr $gx - $oldx] [expr $gy - $oldy]
+ set oldx $gx
+ set oldy $gy
+ }
+ }
+ stretch {
+ set gx [expr $grid * int(($x / $grid) + 0.5)]
+ set gy [expr $grid * int(($y / $grid) + 0.5)]
+ $c dchars $id $index
+ $c insert $id $index [list $gx $gy]
+ }
+ scale {
+ set t [lindex [$c gettags $id] 0]
+ set dx [expr $x-$oldx]
+ set dy [expr $y-$oldy]
+ set gain [expr sqrt($dx*$dx+$dy*$dy)/20]
+ $c coords $id [$vc scale $t $gain]
+ }
+ rotate {
+ set t [lindex [$c gettags $id] 0]
+ set alpha [expr atan2($x-$oldx,$oldy-$y) - $angle0]
+ $c coords $id [$vc rotate $t $alpha]
+ }
+ }
+ }
+}
+
+proc clearpaths {vc c} {
+ catch { $c delete triangles }
+ foreach i [$c find all] {
+ set t [$c type $i]
+ if {$t == "line"} {$c delete $i}
+ }
+}
+
+proc clearall {vc c} {
+ catch { $c delete triangles }
+ foreach i [$c find all] {
+ if {[$c type $i] == "polygon"} {$vc remove [lindex [$c gettags $i] 0]}
+ $c delete $i
+ }
+}
+
+proc loadpaths {vc c file} {
+ if [catch {open $file r} f] {
+ error "unable to open file for read: $file"
+ }
+ clearpaths $vc $c
+ while {![eof $f]} {
+ set path [gets $f]
+ if {$path == {}} {continue}
+ if [catch {$vc bpath $path} path] {
+ puts $path
+ } {
+ $c create line $path \
+ -smooth spline -fill #ff00c0 -state disabled
+ }
+ }
+ close $f
+ $c configure -scrollregion [$c bbox all]
+}
+
+proc loadvconfig {vc c file} {
+ if [catch {open $file r} f] {
+ error "unable to open file for read: $file"
+ }
+ clearall $vc $c
+ while {![eof $f]} {
+ set coords [string trim [gets $f]]
+ if {$coords == {}} {continue}
+ set tag [$vc insert $coords]
+ $c create polygon $coords \
+ -tag $tag \
+ -fill darkgreen \
+ -outline yellow \
+ -activeoutline #ffc000
+ }
+ close $f
+ $c configure -scrollregion [$c bbox all]
+}
+
+proc savepaths {vc c file} {
+ if [catch {open $file w} f] {
+ error "unable to open file for write: $file"
+ }
+ foreach i [$c find all] {
+ set t [$c type $i]
+ if {$t == "line"} {
+ set path [$c coords $i]
+ set l [llength $path]
+ set x1 [lindex $path 0]
+ set y1 [lindex $path 1]
+ set x2 [lindex $path [incr l -2]]
+ set y2 [lindex $path [incr l]]
+ puts $f "$x1 $y1 $x2 $y2"
+ }
+ }
+ close $f
+}
+
+proc savevconfig {vc c file} {
+ if [catch {open $file w} f] {
+ error "unable to open file for write: $file"
+ }
+ foreach id [$vc list] {
+ puts $f [$vc coords $id]
+ }
+ close $f
+}
+
+proc nextfile {} {
+ global filename
+ set filename [file join [file dirname $filename] [file tail $filename]]
+ set files [glob [file join [file dirname $filename] *[file extension $filename]]]
+ set filename [lindex $files [expr ([lsearch $files $filename] + 1) % [llength $files]]]
+}
+
+set vc [vgpane]
+set mode draw
+set filename "pathplan.tcl.data/unknown.dat"
+frame .fl
+set a [frame .fl.a]
+set b [frame .fl.b]
+set c [canvas $a.c \
+ -relief sunken \
+ -borderwidth 2 \
+ -bg lightblue \
+ -xscrollcommand "$b.h set" \
+ -yscrollcommand "$a.v set"]
+scrollbar $b.h -command "$c xview" -orient horiz
+scrollbar $a.v -command "$c yview"
+frame $b.pad \
+ -width [expr [$a.v cget -width] + \
+ [$a.v cget -bd]*2 + [$a.v cget -highlightthickness]*2 ] \
+ -height [expr [$b.h cget -width] + \
+ [$b.h cget -bd]*2 + [.fl.b.h cget -highlightthickness]*2 ]
+frame .fr
+frame .fr.bpath
+pack [radiobutton .fr.bpath.bpath -text "bezier path" -value bpath \
+ -highlightthickness 0 -anchor w -variable mode] \
+ -side left -anchor w -fill x
+pack [scale .fr.grid -orient horizontal -label grid -variable grid \
+ -highlightthickness 0 -from 1 -to 100] \
+ [radiobutton .fr.draw -text draw -value draw \
+ -highlightthickness 0 -anchor w -variable mode] \
+ [radiobutton .fr.stretch -text stretch -value stretch \
+ -highlightthickness 0 -anchor w -variable mode] \
+ [radiobutton .fr.collapse -text collapse -value collapse \
+ -highlightthickness 0 -anchor w -variable mode] \
+ [radiobutton .fr.clone -text clone -value clone \
+ -highlightthickness 0 -anchor w -variable mode] \
+ [radiobutton .fr.move -text move -value move \
+ -highlightthickness 0 -anchor w -variable mode] \
+ [radiobutton .fr.rotate -text rotate -value rotate \
+ -highlightthickness 0 -anchor w -variable mode] \
+ [radiobutton .fr.scale -text scale -value scale \
+ -highlightthickness 0 -anchor w -variable mode] \
+ [radiobutton .fr.delete -text delete -value delete \
+ -highlightthickness 0 -anchor w -variable mode] \
+ [radiobutton .fr.path -text path -value path \
+ -highlightthickness 0 -anchor w -variable mode] \
+ .fr.bpath \
+ [radiobutton .fr.id -text id -value id \
+ -highlightthickness 0 -anchor w -variable mode] \
+ [radiobutton .fr.triangulate -text triangulate -value triangulate \
+ -highlightthickness 0 -anchor w -variable mode] \
+ -anchor w -fill x
+frame .fr.load
+pack [button .fr.load.load -text load \
+ -highlightthickness 0 -command "loadvconfig $vc $c \$filename"] \
+ [button .fr.load.paths -text loadpaths \
+ -highlightthickness 0 -command "loadpaths $vc $c \$filename"] \
+ -side left -fill x -expand true
+frame .fr.save
+pack [button .fr.save.save -text save \
+ -highlightthickness 0 -command "savevconfig $vc $c \$filename"] \
+ [button .fr.save.paths -text savepaths \
+ -highlightthickness 0 -command "savepaths $vc $c \$filename"] \
+ -side left -fill x -expand true
+frame .fr.clear
+pack [button .fr.clear.all -text clear -command "clearall $vc $c" \
+ -highlightthickness 0] \
+ [button .fr.clear.paths -text clearpaths -command "clearpaths $vc $c" \
+ -highlightthickness 0] \
+ -side left -fill x -expand true
+frame .fr.file
+pack [entry .fr.file.name -textvar filename -highlightthickness 0] \
+ -side left -fill x -expand true
+pack [button .fr.file.next -text next \
+ -highlightthickness 0 -command "nextfile"] \
+ -side left
+frame .fr.quitdebug
+pack [button .fr.quitdebug.debug -text debug \
+ -highlightthickness 0 -command "$vc debug"] \
+ [button .fr.quitdebug.quit -text quit \
+ -highlightthickness 0 -command "exit"] \
+ -side left -fill x -expand true
+pack .fr.quitdebug .fr.clear .fr.save .fr.load .fr.file \
+ [label .fr.flabel -anchor w -text "file"] \
+ [entry .fr.coordinates -textvar coordinates -highlightthickness 0] \
+ [label .fr.clabel -anchor w -text "coordinates"] \
+ -side bottom -fill x -expand true
+pack $a.v -side right -fill y
+pack $c -side left -fill both -expand true
+pack $b.h -side left -fill x -expand true
+pack $b.pad -side right
+pack $b -side bottom -fill x
+pack $a -side top -fill both -expand true
+pack .fl -side left -fill both -expand true
+pack .fr -side left -fill y
+
+bind $c <1> "nextpoint $vc $c %x %y"
+bind $c <2> "lastpoint $vc $c"
+bind $c <Motion> "motion $vc $c %x %y"
+
+trace variable mode w "lastpoint $vc $c"
+
+bind .fr.file.name <Return> {
+ .fr.loadsave.load flash
+ loadvconfig $vc $c $filename
+}
+
+bind .fr.coordinates <Return> {
+ if {$coordinates == {}} {continue}
+ set coords [split $coordinates]
+ set coordinates {}
+ switch $mode {
+ draw {
+ if [catch {$vc insert $coords} tag] {
+ puts $tag
+ } {
+ $c create polygon $coords \
+ -fill darkgreen \
+ -outline yellow \
+ -activeoutline #ffc000 \
+ -tag $tag
+ }
+ }
+ path {
+ if [catch {$vc path $coords} coords] {
+ puts $coords
+ } {
+ $c create line $coords -fill #ff00c0 -state disabled
+ }
+ }
+ bpath {
+ if [catch {$vc bpath $coords} coords] {
+ puts $coords
+ } {
+ $c create line $coords \
+ -smooth spline -fill orange -state disabled
+ }
+ }
+ }
+}
+
+proc balloon_help {w msg} {
+ bind $w <Enter> "after 1000 \"balloon_help_aux %W [list $msg]\""
+ bind $w <Leave> "after cancel \"balloon_help_aux %W [list $msg]\"
+ catch {destroy %W.balloon_help}"
+}
+
+proc balloon_help_aux {w msg} {
+ set t $w.balloon_help
+ catch {destroy $t}
+ toplevel $t
+ wm overrideredirect $t 1
+ pack [label $t.l -text $msg -relief groove -bd 1 -bg yellow] -fill both
+ wm geometry $t +[expr [winfo rootx $w]+([winfo width $w]/2)]+[expr \
+ [winfo rooty $w]+([winfo height $w]/2)]
+}
+
+balloon_help .fr.grid "set grid size for draw operations"
+balloon_help .fr.draw "draw a region. B1 foreach vertex except B2 for last"
+balloon_help .fr.stretch "B1 to stretch a vertex, next B1 inserts new vertex. B2 to end"
+balloon_help .fr.collapse "B1 collapses a vertex"
+balloon_help .fr.clone "each B1 creates a new clone of a region, B2 to end"
+balloon_help .fr.move "B1 to move, B2 to end"
+balloon_help .fr.rotate "B1 to rotate, B2 to end"
+balloon_help .fr.scale "B1 to scale, B2 to end"
+balloon_help .fr.delete "B1 to delete a region"
+balloon_help .fr.path "B1 starts a euclidean shortest path, B2 to end"
+balloon_help .fr.bpath.bpath "B1 starts a bezier spline path, B2 to end"
+balloon_help .fr.triangulate "B1 to display triangulation of a polygon"
+balloon_help .fr.id "print the identifier of a region"
+balloon_help .fr.coordinates "text entry of coordinates, alternative to button operations"
+balloon_help .fr.file.name "current file name, or enter new name"
+balloon_help .fr.file.next "next file with same directory and extension"
+balloon_help .fr.save.paths "save paths to file"
+balloon_help .fr.load.paths "load paths from file"
+balloon_help .fr.save.save "save regions to file"
+balloon_help .fr.load.load "load regions from file"
+balloon_help .fr.clear.all "clear canvas of all regions and paths"
+balloon_help .fr.clear.paths "clear canvas of all paths"
+balloon_help .fr.quitdebug.quit "quit this application"
+balloon_help .fr.quitdebug.debug "dump the vconfig"
projects / graphviz / commitdiff