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package require tkpath
namespace eval ::ix {
proc random_int {} {return [expr "int(floor(rand()*16))"]}
proc random_clr {} {
return [format "\#%1X%1X%1X%1X%1X%1X" [random_int] [random_int] [random_int] [random_int] [random_int] [random_int]]
}
variable _
proc mat_note {p t item} {
set id [lindex [$p.m itemcget $item -tags] 1]
set len [expr [lindex $_($t:items:$id) 2] - [lindex $_($t:items:$id) 0]]
set vel [$p.m itemcget $item -fillopacity]
pd [concat $t.rp _cb note [lindex $_($t:items:$id) 1] $vel $len \;]
}
proc mat_click {button action p t x y} {
variable _
set clicked [$p.m find overlapping $x $y $x $y]
switch $action {
hover {
foreach item $clicked {
if {[lindex [$p.m itemcget $item -tags] 0] eq "item"} {
mat_note $p $t $item
}
}
}
first {
# if {$clicked ne ""} {
set _($t:cl) $clicked
# }
foreach xy {x y} {set _($t:f$xy) [set $xy]}
}
motion {
set mx [expr $x - $_($t:cx)]
set my [expr $y - $_($t:cy)]
foreach xy {x y} {
set mvt [mat_tr $p $t $xy d [expr $$xy - $_($t:c$xy)]]
switch $button {
1 {
foreach ab {a b} {
set _($t:${xy}$ab) [expr $_($t:${xy}$ab) - $mvt]
}
}
2 {
set _($t:${xy}a) [expr $_($t:${xy}a) - $mvt]
set _($t:${xy}b) [expr $_($t:${xy}b) + $mvt]
}
}
}
switch $button {
1 {
if {$clicked ne ""} {
set items $clicked
} else {
set items [$p.m find withtag item]
mat_gridlines $p $t
}
foreach item $items {
set m [$p.m itemcget $item -matrix]
set m [list [lindex $m 0] [lindex $m 1] [list [expr [lindex [lindex $m 2] 0] + $mx] [expr [lindex [lindex $m 2] 1] + $my]]]
$p.m itemconfigure $item -matrix $m
}
}
2 {
foreach item [$p.m find withtag item] {
set id [lindex [$p.m itemcget $item -tags] 1]
set px [mat_tr $p $t x t [lindex $_($t:items:$id) 0]]
set py [mat_tr $p $t y t [lindex $_($t:items:$id) 1]]
set sx [mat_tr $p $t x id [expr [lindex $_($t:items:$id) 2] - [lindex $_($t:items:$id) 0]]]
# set sy [mat_tr $p $t y id [expr [lindex $_($t:items:$id) 3] - [lindex $_($t:items:$id) 1]]]
set sy [mat_tr $p $t y id 1]
$p.m coords $item [::tkpath::coords rect $px $py $sx $sy -rx 3 -ry 3]
}
mat_gridlines $p $t
}
3 {
set velo [expr ($x - $_($t:cx)) / 100.0]
foreach item $_($t:cl) {
set vel [expr $velo + [$p.m itemcget $item -fillopacity]]
if {$vel > 1} {set vel 1}
if {$vel < 0} {set vel 0}
$p.m itemconfigure $item -fillopacity $vel
}
}
}
}
}
foreach xy {x y} {set _($t:c$xy) [set $xy]}
}
proc mat_draw {action p t x y} {
variable _
switch $action {
motion {
if {$x >= $_($t:cx)} {
set xa $_($t:cx)
set xb $x
} else {
set xa $x
set xb $_($t:cx)
}
$p.m coords drawing [::tkpath::coords rect $xa $y [expr $xb - $xa] [mat_tr $p $t y id 1] -rx 3 -ry 3]
set yi [mat_tr $p $t y i $y]
set _($t:items:$_($t:i)) [list [mat_tr $p $t x i $xa] $yi [mat_tr $p $t x i $xb] $yi]
# pd [concat $t.rp _cb note $yi \;]
}
first {
foreach xy {x y} {set _($t:c$xy) [set $xy]}
$p.m create path [::tkpath::coords rect $_($t:cx) $_($t:cy) 0 0 -rx 3 -ry 3] -tags drawing -fill green -fillopacity 0.8
}
release {
$p.m itemconfigure drawing -tags [list item $_($t:i)] -matrix {{1.0 0.0} {0.0 1.0} {0.0 0.0}}
incr _($t:i) 2
}
}
}
proc mat_tr {p t d inv v} {
variable _
array set dm {x width y height}
switch $inv {
t {return [expr ($v - $_($t:${d}a)) / ($_($t:${d}b) - $_($t:${d}a) + 0.0) * [winfo $dm($d) $p.m]]}
i {return [expr ($_($t:${d}b) - $_($t:${d}a)) * $v /([winfo $dm($d) $p.m] + 0.0) + $_($t:${d}a)]}
d {return [expr ($_($t:${d}b) - $_($t:${d}a)) * $v /([winfo $dm($d) $p.m] + 0.0)]}
# id {return [expr $v / ($_($t:${d}b) - $_($t:${d}a) + 0.0) * [winfo $dm($d) $p.m]]}
id {return [expr abs($v / ($_($t:${d}b) - $_($t:${d}a) + 0.0) * [winfo $dm($d) $p.m])]}
}
}
proc mat_zoomReset {p t} {
variable _
set _($t:ya) $_($t:yao)
set _($t:yb) $_($t:ybo)
set _($t:xa) $_($t:xao)
set _($t:xb) $_($t:xbo)
mat_gridlines $p $t
}
proc mat_new {path target w h bg ln Xa Xb Ya Yb qXv qYv} {
variable _
set _($target:i) 0
set _($target:ln) $ln
set _($target:qxv) $qXv
set _($target:qyv) $qYv
set _($target:ya) $Ya
set _($target:xa) $Xa
set _($target:yb) $Yb
set _($target:xb) $Xb
set _($target:yao) $Ya
set _($target:xao) $Xa
set _($target:ybo) $Yb
set _($target:xbo) $Xb
if {[winfo exists $path.m] != 1} {
canvas $path.m -bg $bg -width $w -height $h
pack $path.m -side left
bind $path.m <Motion> "::ix::mat_click 0 hover $path $target %x %y"
bind $path.m <1> "::ix::mat_click 1 first $path $target %x %y"
bind $path.m <B1-Motion> "::ix::mat_click 1 motion $path $target %x %y"
bind $path.m <ButtonRelease-1> "::ix::mat_click 1 release $path $target %x %y"
bind $path.m <2> "::ix::mat_click 2 first $path $target %x %y"
bind $path.m <Double-2> "::ix::mat_zoomReset $path $target"
bind $path.m <B2-Motion> "::ix::mat_click 2 motion $path $target %x %y"
bind $path.m <ButtonRelease-2> "::ix::mat_click 2 release $path $target %x %y"
bind $path.m <3> "::ix::mat_click 3 first $path $target %x %y"
bind $path.m <B3-Motion> "::ix::mat_click 3 motion $path $target %x %y"
bind $path.m <ButtonRelease-3> "::ix::mat_click 3 release $path $target %x %y"
bind $path.m <Control-1> "::ix::mat_draw first $path $target %x %y"
bind $path.m <Control-B1-Motion> "::ix::mat_draw motion $path $target %x %y"
bind $path.m <Control-ButtonRelease-1> "::ix::mat_draw release $path $target %x %y"
set bd [expr {[$path cget -bd] * 2}]
$path configure -bg gray -width [expr [winfo width $path.m] + $bd] \
-height [expr [winfo height $path.m] + $bd]
update
mat_gridlines $path $target
}}
proc mat_gridlines {path target} {
variable _
# puts gridlines
set w $path.m
$w delete gridlines
set gh [winfo height $w]
set gw [winfo width $w]
foreach item [$path.m find withtag gridline] {$path.m delete $item}
foreach xy {x y} {
array set ta {x n y w}
array set tj {x center y left}
array set igx {y width x height}
if {$_($target:${xy}a) > $_($target:${xy}b)} {set oa ">=";set ob "-"} {set oa "<=";set ob "+"}
for {set x [expr int($_($target:${xy}a) / ($_($target:q${xy}v) + 0.0) + 1)*($_($target:q${xy}v) + 0.0)]} {[expr $x $oa $_($target:${xy}b)]} {set x [expr $x $ob $_($target:q${xy}v)]} {
set og [mat_tr $path $target $xy t $x]
set invgeo [winfo $igx($xy) $path.m]
switch $xy {y {set coords [concat M 0 $og L $invgeo $og]}
x {set coords [concat M $og 0 L $og $invgeo]}}
$w lower [$w create path $coords -stroke $_($target:ln) -strokedasharray 2 -tags gridline -strokewidth 1]
$w lower [$w create text [lrange $coords 1 2] -font {{Bitstream Vera Sans} 8} \
-fill green -anchor $ta($xy) -text $x -justify $tj($xy) -tags gridline]}}
}
}
#> mat frame
#. -bd 3 #w 384 #h 144 #bg white #ln purple
#. #Xa 123 #Xb 2000 #Ya 0 #Yb 127 #qXv 125 #qYv 1
#. @list ::ix::mat_add .- .| {.#1} .#2 .#3 .#4
#. @add ::ix::mat_add .- .| {.#1} .#2 .#3 .#4
puts "mat .- .|"
::ix::mat_new .- .| .#w .#h .#bg .#ln .#Xa .#Xb .#Ya .#Yb .#qXv .#qYv
|
