--- /dev/null
+#!/usr/bin/wish
+
+# usage:
+# run show-thing without args
+# then on stdin write
+# one line which is a Tcl list for unk_{l,r} unk_contexts glyphsdone
+# the xpm in the format expected
+# then expect child to raise SIGSTOP or exit 0 or exit nonzero
+# if child raised SIGSTOP, check database was updated
+
+
+proc manyset {list args} {
+ foreach val $list var $args {
+ upvar 1 $var my
+ set my $val
+ }
+}
+
+
+#---------- display core ----------
+
+set mul 6
+set inter 1
+
+set gotsh 20
+set csrh 20
+set ctxh 20
+
+proc init_widgets {} {
+ # idempotent
+ global csrh gotsh ctxh
+
+ if {[winfo exists .d]} return
+
+ frame .d
+
+ image create bitmap image/main
+ label .d.mi -image image/main -borderwidth 0
+
+ frame .d.csr -bg black -height $csrh
+ frame .d.got -bg black -height $gotsh
+ frame .d.ctx -bg black
+
+ image create bitmap image/cursor -data \
+{#define csr_width 11
+#define csr_height 11
+static unsigned char csr_bits[] = {
+ 0x20, 0x00, 0x20, 0x00, 0x20, 0x00, 0x21, 0x04, 0x22, 0x02, 0x25, 0x05,
+ 0xaa, 0x02, 0x74, 0x01, 0xa8, 0x00, 0x70, 0x00, 0x20, 0x00};
+}
+
+ frame .d.csr.csr
+ label .d.csr.csr.l -image image/cursor -compound left
+ entry .d.csr.csr.e -bd 0
+ pack .d.csr.csr.l -side left
+
+ frame .d.mi.csr_0 -bg white -width 1
+ frame .d.mi.csr_1 -bg white -width 1
+
+ pack .d.csr .d.mi .d.got .d.ctx -side top
+ pack .d
+
+ frame .help
+ pack .help
+}
+
+proc show_context {maxhv x ctxs} {
+ global mul
+ upvar 1 $maxhv maxh
+ set w .d.ctx.at$x
+ if {[llength $ctxs]==1} { set fg blue } { set fg yellow }
+ label $w -bg black -fg $fg -text [join $ctxs "/\n"] -justify left
+ place $w -x [expr {($x-1)*$mul}] -y 0
+ set wh [winfo reqheight $w]
+ if {$wh > $maxh} { set maxh $wh }
+}
+
+proc resize_widgets {} {
+ global mulcols mulrows csrh gotsh ctxh glyphsdone
+ global unk_l unk_contexts
+
+ foreach w {.d.csr .d.got .d.ctx} {
+ $w configure -width $mulcols
+ }
+ #.d configure -height [expr {$csrh+$mulrows+$gotsh+$ctxh}]
+ foreach w {0 1} {
+ .d.mi.csr_$w configure -height $mulrows
+ }
+
+ eval destroy [winfo children .d.ctx]
+
+ set maxh 0
+ foreach {min max contexts got} $glyphsdone {
+ show_context maxh $min $contexts
+ }
+ show_context maxh $unk_l $unk_contexts
+ .d.ctx configure -height $maxh
+}
+
+
+#---------- xpm input processor ----------
+
+proc read_xpm {f} {
+ global glyphsdone mul inter rhsmost_max unk_l unk_r mulcols mulrows
+ global cols rows wordmap
+
+ set o {}
+ set y -3
+ while 1 {
+ if {[gets $f l] < 0} { error "huh? "}
+ if {![regexp {^"(.*)",$} $l dummy l]} {
+ append o "$l\n"
+ if {[regexp {^\}\;$} $l]} break
+ continue
+ }
+ if {$y==-3} {
+ manyset $l cols rows colours cpp
+ if {$colours!=2 || $cpp!=1} { error "$l ?" }
+
+ set chop_l [expr {$unk_l - 80}]
+ set chop_r [expr {$cols - $unk_l - 100}]
+ if {$chop_l<0} { set chop_l 0 }
+
+ set unk_l [expr {$unk_l - $chop_l}]
+ set unk_r [expr {$unk_r - $chop_l}]
+ set ngd {}
+ foreach {min max contexts got} $glyphsdone {
+ lappend ngd \
+ [expr {$min-$chop_l}] \
+ [expr {$max-$chop_l}] \
+ $contexts $got
+ }
+ set glyphsdone $ngd
+
+ set realcols $cols
+ set cols [expr {$cols - $chop_l - $chop_r}]
+ debug "NOW cols=$cols chop_l,r=$chop_l,$chop_r rows=$rows\
+ $unk_l $unk_r $ngd"
+
+ set mulcols [expr {$cols*$mul+$inter}]
+ set mulrows [expr {$rows*$mul+$inter}]
+ append o "\"$mulcols $mulrows 9 1\",\n"
+ for {set x 0} {$x<$cols} {incr x} { set wordmap($x) 0 }
+ } elseif {$y==-2} { # first pixel
+ append o \
+"\"+ c #111\",
+\"a c #800\",
+\"A c #fcc\",
+\"b c #00c\",
+\"B c #fff\",
+\"u c #000\",
+\"U c #ff0\",
+\"q c #000\",
+\"Q c #ff0\",\n"
+ } elseif {$y==-1} { # 2nd pixel but we've already printed ours
+ } else {
+ set ybit [expr {1<<$y}]
+ set x 0
+ set ol "\"+"
+ set olh $ol
+ if {$chop_r>=0} {
+ set l [string range $l $chop_l end-$chop_r]
+ } else {
+ set l [string range $l $chop_l end]
+ append l [string repeat " " [expr -$chop_r]]
+ }
+ foreach c [split $l ""] {
+ set how "u"
+ if {$x >= $unk_l && $x <= $unk_r} {
+ set how q
+ } else {
+ set ab 0
+ foreach {min max contexts got} $glyphsdone {
+ set rhsmost_max $max
+ if {$x >= $min && $x <= $max} {
+ set how [lindex {a b} $ab]
+ break
+ }
+ set ab [expr {!$ab}]
+ }
+ }
+ switch -exact $c {
+ " " { set p $how }
+ "o" {
+ set p [string toupper $how]
+ incr wordmap($x) $ybit
+ }
+ default { error "$c ?" }
+ }
+ append ol "[string repeat $p [expr {$mul-$inter}]][
+ string repeat + $inter]"
+ append olh [string repeat + $mul]
+ incr x
+ }
+ set ole "\",\n"
+ append ol $ole
+ append olh $ole
+ set olhn [string repeat $olh $inter]
+ if {!$y} { append o $olhn }
+ append o [string repeat $ol [expr {$mul-1}]]
+ append o $olhn
+ }
+ incr y
+ }
+ set data [exec xpmtoppm << $o]
+ image create photo image/main -data $data
+}
+
+
+#---------- per-invocation display ----------
+
+proc draw_glyphsdone {} {
+ global glyphsdone mul inter
+ eval destroy [winfo children .d.got]
+ foreach {min max contexts got} $glyphsdone {
+ frame .d.got.m$min -bd 0 -background \#888
+ label .d.got.m$min.l -text "$got" -fg white -bg black -bd 0
+ pack .d.got.m$min.l -padx 1 -pady 1
+ place .d.got.m$min -x [expr {$min*$mul+$inter}] -y 0
+ }
+}
+
+proc startup_cursor {} {
+ global cur_already cur_mode cur_0 cur_1 last_ht
+ global glyphsdone unk_l unk_r
+
+ set cur_already [expr {[llength $glyphsdone]/4-1}]
+ set cur_mode 1 ;# one of: 0 1 already text
+
+ set cur_0 $unk_l
+ set cur_1 [expr {$unk_r+1}]
+ set last_ht {}
+
+ recursor
+}
+
+
+#---------- runtime display and keystroke handling ----------
+
+proc helptext {t} {
+ global last_ht
+ if {![string compare $t $last_ht]} return
+ eval destroy [grid slaves .help]
+ set y 0; foreach l $t {
+ set x 0; foreach c $l {
+ set w .help.at${x}x${y}
+ label $w -text $c
+ grid $w -row $y -column $x -padx 5
+ incr x
+ }
+ incr y
+ }
+ set last_ht $t
+}
+
+proc recursor/0 {} { recursor//01 0 }
+proc recursor/1 {} { recursor//01 1 }
+proc recursor//01 {z1} {
+ global mul rhsmost_max cols glyphsdone
+ upvar #0 cur_$z1 cur
+ .d.csr.csr.l configure -text {adjust}
+ place .d.csr.csr -x [expr {$cur*$mul - 7}]
+ bind_key space { othercursor }
+ bind_leftright_q cur_$z1 0 [expr {$cols-1}]
+ if {[llength $glyphsdone]} {
+ bind_key Tab { set cur_mode already; recursor }
+ } else {
+ bind_key Tab {}
+ }
+ bind_key Return {
+ if {$cur_0 != $cur_1} {
+ .d.csr.csr.e delete 0 end
+ set cur_mode text
+ recursor
+ }
+ }
+ helptext {
+ {{<- ->} {move cursor, adjusting area to define}}
+ {Space {switch to moving other cursor}}
+ {Return {confirm location, enter letter(s)}}
+ {Tab {switch to correcting earlier ocr}}
+ {Q {quit and abandon OCR run}}
+ }
+}
+proc othercursor {} {
+ global cur_mode
+ set cur_mode [expr {!$cur_mode}]
+ recursor
+}
+
+proc recursor/text {} {
+ helptext {
+ {Return {confirm entry of new glyph}}
+ {Escape {abandon entry}}
+ }
+ unbind_all_keys
+ .d.csr.csr.l configure -text {define:}
+ pack .d.csr.csr.e -side left
+ focus .d.csr.csr.e
+ bind_key Return {
+ set strq [.d.csr.csr.e get]
+ if {[regexp {^(?:[!-[]|[]-~]|\\\\|\\x[0-9a-f]{2})+} $strq]} {
+ RETURN_RESULT DEFINE "$cur_0 $cur_1 $strq"
+ }
+ }
+ bind_key Escape {
+ bind_key Escape {}
+ pack forget .d.csr.csr.e
+ set cur_mode 1
+ recursor
+ }
+}
+
+proc recursor/already {} {
+ global mul
+ global glyphsdone
+ global cur_already mul
+ global glyphsdone cur_already mul
+ .d.csr.csr.l configure -text {correct}
+ set rmax [lindex $glyphsdone [expr {$cur_already*4}]]
+ place .d.csr.csr -x [expr {$rmax*$mul-3}]
+ bind_key Return {}
+ bind_key space {}
+ bind_leftright_q cur_already 0 [expr {[llength $glyphsdone]/4-1}]
+ bind_key Tab { bind_key Delete {}; set cur_mode 1; recursor }
+ bind_key Delete {
+ RETURN_RESULT DELETE [lrange $glyphsdone \
+ [expr $cur_already*4] \
+ [expr $cur_already*4+2]]
+ }
+ helptext {
+ {{<- ->} {move cursor, selecting glyph to correct}}
+ {Del {clear this glyph from the recognition database}}
+ {Tab {switch to selecting area to define as new glyph}}
+ {Q {quit and abandon OCR run}}
+ }
+}
+
+proc bind_key {k proc} {
+ global keybindings
+ bind . <Key-$k> $proc
+ set keybindings($k) [expr {!![string length $proc]}]
+}
+proc unbind_all_keys {} {
+ global keybindings
+ foreach k [array names keybindings] { bind_key $k {} }
+}
+
+proc bind_leftright_q {var min max} {
+ bind_key Left [list leftright $var $min $max -1]
+ bind_key Right [list leftright $var $min $max +1]
+ bind_key q {
+ puts stderr "\nCharacter resolver quitting as you requested."
+ exit 1
+ }
+}
+proc leftright {var min max inc} {
+ upvar #0 $var v
+ set vnew $v
+ incr vnew $inc
+ if {$vnew < $min || $vnew > $max} return
+ set v $vnew
+ recursor
+}
+
+proc recursor {} {
+ global csrh cur_mode cur_0 cur_1 mul
+ foreach z1 {0 1} {
+ place .d.mi.csr_$z1 -y 0 -x [expr {[set cur_$z1] * $mul}]
+ }
+ recursor/$cur_mode
+}
+
+
+#---------- database read and write ----------
+
+# database format:
+# series of glyphs:
+# <context> <ncharacters> <hex>...
+# width
+# <hex-bitmap>
+
+# $database($context 0x<bits> 0x<bits>...) = $hex
+
+set database_header {# ypp-sc-tools pctb font v1}
+
+proc db_getsl {f} {
+ if {[gets $f l] < 0} { error "unexpected db eof" }
+ return $l
+}
+
+proc read_database {} {
+ global database database_header rows database_fn
+ catch { unset database }
+ set database_fn ./charset-$rows.txt
+ if {![file exists $database_fn]} return
+ set f [open $database_fn r]
+ if {[string compare [db_getsl $f] $database_header]} { error "$l ?" }
+ if {([db_getsl $f])+0 != $rows} { error "wrong h ?" }
+ while 1 {
+ set context [db_getsl $f]
+ if {![string length $context]} continue
+ if {[regexp {^\#} $context]} continue
+ if {![string compare . $context]} break
+
+ set bm $context
+ set strq [db_getsl $f]
+ while 1 {
+ set l [db_getsl $f]
+ if {![string length $l]} break
+ lappend bm [format %x 0x$l]
+ }
+ set database($bm) $strq
+ }
+ close $f
+}
+
+proc write_database {} {
+ global database rows database_fn database_header
+ set ol {}
+ foreach bm [array names database] {
+ set strq $database($bm)
+ set o "[lindex $bm 0]\n$strq\n"
+ foreach x [lrange $bm 1 end] { append o "$x\n" }
+
+ lappend ol $o
+ }
+ set f [open $database_fn.new w]
+ puts $f "$database_header\n$rows\n"
+ foreach o [lsort $ol] {
+ puts $f $o
+ }
+ puts $f "."
+ close $f
+ file rename -force $database_fn.new $database_fn
+}
+
+proc dbkey {ctx l r} {
+ global wordmap
+ set bm $ctx
+ for {set x $l} {$x <= $r} {incr x} {
+ lappend bm [format %x $wordmap($x)]
+ }
+ return $bm
+}
+
+proc update_database/DEFINE {c0 c1 strq} {
+ global glyphsdone unk_l unk_contexts wordmap database
+ if {$c0 > $c1} { manyset [list $c0 $c1] c1 c0 }
+ if {$c0 == $unk_l} {
+ set ncontexts $unk_contexts
+ } else {
+ foreach {l r contexts got} $glyphsdone {
+ if {$l==$c0} { set ncontexts $contexts; break }
+ }
+ if {![info exists ncontexts]} {
+ puts stderr "must start at letter LHS!"
+ return
+ }
+ }
+ incr c1 -1
+ foreach c $ncontexts {
+ set bm [dbkey $c $c0 $c1]
+ set database($bm) $strq
+ }
+ write_database
+}
+
+proc update_database/DELETE {l r ctxs} {
+ global database
+ foreach ctx $ctxs {
+ set bm [dbkey $ctx $l $r]
+ catch { unset database($bm) }
+ }
+ write_database
+}
+
+
+proc RETURN_RESULT {how what} {
+ global mainkind
+ place forget .d.csr.csr
+ pack forget .d.csr.csr.e
+ helptext {{{ Processing }}}
+ unbind_all_keys
+ update idletasks
+ debug "$how $what"
+ eval update_database/$how $what
+ done/$mainkind
+}
+
+#---------- main progrm ----------
+
+proc main/test {} {
+ global glyphsdone unk_l unk_r unk_contexts
+
+ set glyphsdone {
+ 7 11 1 M
+ 13 17 0 a
+ 19 23 0 n
+ }
+ set unk_l 25
+ set unk_r 29
+ set unk_contexts Test
+
+ set f [open text.xpm]
+ read_xpm $f
+ close $f
+
+ read_database
+ resize_widgets
+ draw_glyphsdone
+ startup_cursor
+}
+proc done/test {} {
+}
+
+proc required {} {
+ global glyphsdone unk_l unk_r unk_contexts
+
+ if {[gets stdin l]<0} {
+ if {[eof stdin]} { fconfigure stdin -blocking yes; exit 0 }
+ return
+ }
+ init_widgets
+ manyset [lrange $l 0 3] unk_l unk_r unk_contexts
+ set glyphsdone [lrange $l 3 end]
+ debug "GOT $l"
+
+ fileevent stdin readable {}
+ fconfigure stdin -blocking yes
+
+ read_xpm stdin
+ resize_widgets
+ read_database
+ draw_glyphsdone
+ startup_cursor
+}
+
+proc main/automatic {} {
+ fconfigure stdin -blocking no
+ fileevent stdin readable required
+}
+proc done/automatic {} {
+ exec sh -c {printf \\0 >&4}
+ main/automatic
+}
+
+proc debug {m} { }
+
+set mainkind test
+foreach arg $argv {
+ switch -exact -- $arg {
+ {--debug} { proc debug {m} { puts stderr "SHOW-THING $m" } }
+ {--noop-arg} { }
+ {--automatic-1} { set mainkind automatic }
+ {--automatic*} { error "incompatible versions - install problem" }
+ default { error "huh $argv ?" }
+ }
+}
+
+main/$mainkind
~yarrgweb / ypp-sc-tools.web-live.git / blobdiff