reference/ocr-new/multi_zone.tcl
changeset 0 6b8091ca909a
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/reference/ocr-new/multi_zone.tcl	Thu May 18 23:12:51 2006 +0200
@@ -0,0 +1,612 @@
+
+set zoneWindow .zoning_window
+set HorizMerge 70
+set VertMerge  70
+
+set region_list [list]
+set ordered_region_list [list]
+
+set prev_reg_id 0
+set region_data(0,x_final) 0
+set region_data(0,y_final) 0
+set region_data(0,x_init) -40
+set region_data(0,y_init) -20
+
+set cur_xoffset 0
+set cur_yoffset 0
+
+
+proc multiZone_open { filename } {
+    global HorizMerge VertMerge cur_xoffset curyoffset
+    
+    set cur_xoffset 0
+    set cur_yoffset 0
+# 1 means success
+    global IMAGE_DISPLAY_WIN ZONING_SCALE_FACTOR DISPLAY_IMAGE XV xvprocess \
+	    multiZone_display_open zoneWindow
+    
+    set open 1
+    
+    if { $multiZone_display_open == $open } {
+	focus .zoning_window
+    } else {
+	
+	toplevel .zoning_window
+	init_zoning_display 
+    }
+	
+        
+#   puts stdout "Opening $filename"
+    zoned_page_open $filename
+# Scale image to display    
+    init_ZONING_SCALE_FACTOR
+
+
+#   puts stdout "Done putting into page structure"
+    if { 1 }  {
+	set display_height [expr $ZONING_SCALE_FACTOR * [get_page_height]]
+	set display_width [expr $ZONING_SCALE_FACTOR * [get_page_width]]
+	wm geometry .zoning_window [expr int($display_width) +20]x[expr int($display_height) + 150]+300+100
+
+
+	if { $DISPLAY_IMAGE == $XV } {
+	    set xvprocess [exec xv $filename &]
+	    puts stdout "xvprocess $xvprocess"
+	} else {
+# use the canvas...
+	DESKEW
+	zone_message  "Displaying Image"
+	DISPLAY_INTERVALS .zoning_window.work_space $ZONING_SCALE_FACTOR
+	zone_message  "Determining Line boundaries"
+	FIND_LINES
+	zone_message  " "
+	}
+    } else {
+	popup_image_failure_win
+    }
+       
+
+}
+
+proc init_ZONING_SCALE_FACTOR { } {
+    global ZONING_SCALE_FACTOR
+
+    set ZONING_SCALE_FACTOR [expr 800.0/[get_page_height]]
+    set temp [expr 800.0/[get_page_width]]
+    puts $ZONING_SCALE_FACTOR
+    puts $temp
+    if {[expr $temp] < [expr $ZONING_SCALE_FACTOR] } {
+	set ZONING_SCALE_FACTOR $temp
+    }
+    if { $ZONING_SCALE_FACTOR > 1} {
+	set ZONING_SCALE_FACTOR 1
+    }
+
+}    
+
+
+proc init_zoning_display { } {
+    global ZONING_SCALE_FACTOR BACKGROUND FOREGROUND scroll_inc zoneWindow
+    global menu_bar_height button_bar_height SMALLFONT FONT
+
+    wm geometry $zoneWindow 600x900+300+100
+    wm title $zoneWindow "CalZoning"
+    wm positionfrom $zoneWindow user
+    wm minsize $zoneWindow 500 300
+    $zoneWindow configure -background $BACKGROUND
+
+ 
+    set canvas_width 1000
+    set canvas_height 1000
+
+   canvas $zoneWindow.work_space -bg white -xscrollcommand \
+	  "$zoneWindow.xscroller set" -yscrollcommand \
+	  "$zoneWindow.yscroller set" -xscrollincrement \
+	   $scroll_inc -cursor {crosshair black gray}  \
+	   -width $canvas_width -height $canvas_height 
+# two scrollbars
+    scrollbar $zoneWindow.xscroller -command "$zoneWindow.work_space xview" -orient horizontal -background $BACKGROUND
+    scrollbar $zoneWindow.yscroller -command "$zoneWindow.work_space yview" -background $BACKGROUND
+
+    frame $zoneWindow.menu_bar -height $menu_bar_height -relief raised -bd 2 -background $BACKGROUND
+    init_zoning_menu_bar
+
+    frame $zoneWindow.message_bar -height $button_bar_height \
+	    -background $BACKGROUND -relief raised -bd 2
+    message $zoneWindow.message_bar.m  -background \
+	    $BACKGROUND -foreground $FOREGROUND -font $SMALLFONT \
+	    -justify center 
+    
+    pack $zoneWindow.menu_bar -side top -fill x
+    pack $zoneWindow.message_bar -side top -fill x
+    pack $zoneWindow.message_bar.m  -fill x -fill y
+    
+    pack $zoneWindow.xscroller -side bottom -fill x
+    
+    pack  $zoneWindow.yscroller -side right -fill y 
+    pack $zoneWindow.work_space -side top -fill x -fill y
+    $zoneWindow.work_space configure -scrollregion { 0 0 5000 5000 }
+    bind $zoneWindow.work_space <Double-3> { 
+	set curx [.main_window.display.work_space canvasx %x] 
+	set cury [.main_window.display.work_space canvasy %y] 
+	set_active_zone $curx $cury
+    }
+
+    initialize_region_grab 
+
+}
+
+
+proc max { a b } {
+    if { [expr $a] > [expr $b] } {
+	return $a
+    } else {
+	return $b
+    }
+}
+
+proc init_zoning_menu_bar { } {
+
+# this command initializes the zoning menu bar
+
+    global BACKGROUND FOREGROUND FONT zoneWindow
+
+    #Zoning
+    menubutton $zoneWindow.menu_bar.zoning -text "Zoning"\
+	    -menu $zoneWindow.menu_bar.zoning.menu -borderwidth\
+	    2 -background $BACKGROUND -foreground $FOREGROUND -font $FONT
+    menu $zoneWindow.menu_bar.zoning.menu -background $BACKGROUND \
+	    -foreground $FOREGROUND -font $FONT
+    $zoneWindow.menu_bar.zoning.menu add command -label "AutoZone..." \
+	    -command popup_autozone_menu 
+    $zoneWindow.menu_bar.zoning.menu add command -label "Destroy Zones" \
+	    -command destroy_all_regions
+
+
+    button $zoneWindow.menu_bar.scale -text "Scale Factor" \
+	     -borderwidth 2 -background $BACKGROUND -foreground $FOREGROUND \
+	     -relief flat \
+	     -font $FONT -command popup_scale_menu
+
+#    button $zoneWindow.menu_bar.recognize -text "Recognize All" \
+#	     -borderwidth 2 -background $BACKGROUND -foreground $FOREGROUND \
+#	     -relief flat \
+#	     -font $FONT -command {puts "Recognize All"}
+
+    button  $zoneWindow.menu_bar.help -text "Help"  -borderwidth 2 -background $BACKGROUND -foreground $FOREGROUND -font $FONT -relief flat \
+	    -command { init_zoning_help .main_window.menu_bar.help }
+
+   button $zoneWindow.menu_bar.close -text "Close" \
+	     -borderwidth 2 -background $BACKGROUND -foreground $FOREGROUND \
+	     -relief flat \
+	     -font $FONT -command close_zoned_document
+ 
+    pack $zoneWindow.menu_bar.zoning $zoneWindow.menu_bar.scale  \
+	    $zoneWindow.menu_bar.close -side left -padx 1m -pady 1m 
+    pack $zoneWindow.menu_bar.help -side right -padx 1m -pady 1m 
+
+ }
+
+
+
+proc popup_scale_menu { } {
+# a little box for the user to change the horizontal and vertial merging
+# parameters and initiate automatic zoning 
+    
+    global BACKGROUND FOREGROUND SMALLFONT FONT ZONING_SCALE_FACTOR SELECT
+    if { [winfo exists .scale] } {
+	focus .scale
+	return
+    }
+
+    toplevel .scale -background $BACKGROUND
+    wm geometry .scale 200x100+350+150
+    message .scale.m -text "Scale Factor\n"  -background \
+	    $BACKGROUND -foreground $FOREGROUND -font $SMALLFONT \
+	    -justify center -width 200
+
+        set gm .scale
+        set var ZONING_SCALE_FACTOR
+    	set varWindow  [string tolower $var]
+	frame $gm.$varWindow 
+	label $gm.$varWindow.l -text "Scale Factor" -width 13 -fg $FOREGROUND -background $BACKGROUND -font $FONT -justify left
+	entry $gm.$varWindow.set -width 4 -relief sunken -textvariable $var -fg $FOREGROUND -background $BACKGROUND -font $FONT -selectbackground $SELECT
+        $gm.$varWindow.set icursor 0
+        $gm.$varWindow.set select range 0 10
+        bind $gm.$varWindow.set  <Return> scale_zoned_page
+	pack $gm.$varWindow.l -side left 
+ 	pack $gm.$varWindow.set -side right 
+	pack $gm.$varWindow  -side top
+
+    frame .scale.buttons
+    button .scale.buttons.ok -text OK -command scale_zoned_page -fg $FOREGROUND -background $BACKGROUND -font $SMALLFONT -width 5
+    button .scale.buttons.cancel -text Cancel -command {destroy .scale}\
+	    -fg $FOREGROUND -background $BACKGROUND -font $SMALLFONT -width 5
+    pack .scale.buttons.ok .scale.buttons.cancel -side left -expand 1 \
+	    -fill x 	
+
+    pack  .scale.buttons\
+	   -side top -fill x
+    
+    
+    focus $gm.$varWindow.set
+    
+}
+ 
+
+
+proc popup_autozone_menu { } {
+# a little box for the user to change the horizontal and vertial merging
+# parameters and initiate automatic zoning 
+    
+    global BACKGROUND FOREGROUND SMALLFONT FONT HorizMerge VertMerge
+    if { [winfo exists .autozone] } {
+	focus .autozone
+	return
+    }
+
+    toplevel .autozone -background $BACKGROUND
+    wm geometry .autozone 250x225+300+150
+    message .autozone.m -text "Merging Parameters\n"  -background \
+	    $BACKGROUND -foreground $FOREGROUND -font $SMALLFONT \
+	    -justify center -width 250
+    scale .autozone.hmerge -from 0 -to 255 -variable HorizMerge \
+	    -orient horizontal -label "Horizontal Merge" \
+	    -background $BACKGROUND -foreground $FOREGROUND -font $SMALLFONT
+    scale .autozone.vmerge -from 0 -to 255 -variable VertMerge \
+	    -orient horizontal -label "Vertical Merge" -background \
+	    $BACKGROUND -foreground $FOREGROUND -font $SMALLFONT
+ 
+
+    frame .autozone.buttons
+    button .autozone.buttons.ok -text OK -command autozone -fg $FOREGROUND -background $BACKGROUND -font $SMALLFONT -width 5
+    button .autozone.buttons.cancel -text Cancel -command {destroy .autozone}\
+	    -fg $FOREGROUND -background $BACKGROUND -font $SMALLFONT -width 5
+    pack .autozone.buttons.ok .autozone.buttons.cancel -side left -expand 1 \
+	    -fill x 	
+ 
+   pack .autozone.m .autozone.hmerge .autozone.vmerge .autozone.buttons \
+	   -side top -fill x
+}
+
+
+proc autozone { } {
+    global HorizMerge VertMerge zoneWindow
+
+    zone_message "Zoning Document"
+    destroy_all_regions
+    AUTO_ZONE $HorizMerge $VertMerge
+    destroy .autozone
+}
+
+proc zone_message { msg } {
+    global zoneWindow
+    $zoneWindow.message_bar.m configure -text $msg \
+	 -width 500 -justify center
+}
+
+set x_init 0
+set y_init 0
+set x_final 0
+set y_final 0
+
+set prev_region_id 0
+
+
+set started_region 0
+set region_count 0
+
+proc initialize_region_grab { } {
+global window
+#
+#
+# facilitates the grabbing of a rectangle of the window
+# using mouse button 1
+# canvas subwindow must be called $zoneWindow.work_space
+
+
+    global x_init y_init x_final y_final started_region region_data region_list region_id arrow_in_progress current_arrow zoneWindow
+    
+
+
+    bind $zoneWindow.work_space <ButtonPress-1> {
+	if [expr ! $started_region] {
+	    puts stdout "window: $zoneWindow \n" 
+	    grab set $zoneWindow
+	    set x_init [$zoneWindow.work_space canvasx %x]
+	    set y_init [$zoneWindow.work_space canvasy %y]
+	    start_region $x_init $y_init
+
+	}
+    }
+
+    bind $zoneWindow.work_space <ButtonRelease-1> {
+	set x_final [$zoneWindow.work_space canvasx %x]
+	set y_final [$zoneWindow.work_space canvasy %y]
+	end_region $x_final $y_final
+	ADD_ZONE $x_init $y_init $x_final $y_final
+	
+    }
+    
+    bind $zoneWindow.work_space <B2-Motion> {
+	if $arrow_in_progress {
+	    set curx [$zoneWindow.work_space canvasx %x] 
+	    set cury [$zoneWindow.work_space canvasy %y]
+	    $zoneWindow.work_space coords $current_arrow 0 0 $curx $cury
+	}
+    }
+    bind $zoneWindow.work_space <B1-Motion> {
+	if $started_region {
+
+	    set curx [$zoneWindow.work_space canvasx %x] 
+	    set cury [$zoneWindow.work_space canvasy %y]
+
+	    $zoneWindow.work_space coords region$region_id $x_init $y_init $curx $cury
+
+
+	} 
+    }
+    bind $zoneWindow <Enter> {
+		    SWITCH_TO_ZONED_PAGE
+    }
+
+    bind $zoneWindow <Leave> {
+	# on leaving the display, release control of the mouse etc.
+	# maybe make it scroll instead?
+	if $started_region {
+	    grab release $zoneWindow
+	    set started_region 0
+	    $zoneWindow.work_space coords region$region_id 0 0 0 0  
+	}
+    }
+}
+
+
+set arrow_in_progress 0
+
+proc make_region_buttons { reg_id } {
+    global region_data kill_button_data next_button_data arrow_in_progress current_arrow zoneWindow
+
+    set x_init $region_data($reg_id,x_init)
+    set y_init $region_data($reg_id,y_init)
+
+    set next_num [$zoneWindow.work_space create rectangle $x_init $y_init [expr $x_init + 40] [expr $y_init + 20]  -fill blue -tags "region$reg_id next_button$reg_id"]
+
+    set next_button_data($next_num,reg_id) $reg_id
+    $zoneWindow.work_space bind next_button$reg_id <Double-2> {
+	set reg_id $next_button_data([$zoneWindow.work_space find withtag current],reg_id)
+	if { $arrow_in_progress } {
+	    set canvas_x [$zoneWindow.work_space canvasx %x] 
+	    set canvas_y [$zoneWindow.work_space canvasy %y]
+	    finish_arrow $reg_id $canvas_x $canvas_y
+	} else {
+	    set canvas_x [$zoneWindow.work_space canvasx %x] 
+	    set canvas_y [$zoneWindow.work_space canvasy %y]
+
+	    start_arrow  $reg_id $canvas_x $canvas_y
+	    puts stdout "Starting an arrow at $canvas_x $canvas_y"
+	}
+    }
+    set kill_num [$zoneWindow.work_space create rectangle [expr $x_init] $y_init [expr $x_init + 20] [expr $y_init + 20] -fill red  -tags "region$reg_id kill_button$reg_id"]
+    set kill_button_data($kill_num,reg_id) $reg_id
+
+    $zoneWindow.work_space bind kill_button$reg_id <Double-2> {
+	set reg_id $kill_button_data([$zoneWindow.work_space find withtag current],reg_id)
+	destroy_region $reg_id $zoneWindow.work_space
+	
+    }
+}
+
+proc start_region { x y} {
+    global x_init y_init x_final y_final started_region region_data region_list region_id arrow_in_progress current_arrow zoneWindow region_list
+
+    set x_init $x
+    set y_init $y
+
+    set region_id [$zoneWindow.work_space create rectangle $x_init $y_init $x_init $y_init -outline black -width 3 ]
+    $zoneWindow.work_space itemconfigure $region_id -tags region$region_id
+    
+    lappend region_list $region_id
+    set started_region 1
+
+}
+
+
+proc end_region { x y } {
+    global x_init y_init x_final y_final started_region region_data region_list region_id arrow_in_progress current_arrow zoneWindow
+
+        set x_final $x
+        set y_final $y
+	
+	$zoneWindow.work_space coords region$region_id $x_init $y_init $x $y
+
+
+	# if finishing a rectangle, initialize its stuff in the array
+	if {$x_init <= $x_final} {
+	    set region_data($region_id,x_init) $x_init
+	    set region_data($region_id,x_final) $x_final
+	} else {
+	    set region_data($region_id,x_final) $x_init
+	    set region_data($region_id,x_init) $x_final
+	}
+	if {$y_init <= $y_final} {
+	    set region_data($region_id,y_init) $y_init
+	    set region_data($region_id,y_final) $y_final
+	} else {
+	    set region_data($region_id,y_init) $y_final
+	    set region_data($region_id,y_final) $y_init
+	}
+	
+	set region_data($region_id,next_region_id) 0
+	lappend region_list $region_id
+	
+	make_region_buttons  $region_id	    
+
+	set started_region 0
+	grab release $zoneWindow
+    }
+
+
+
+
+proc start_arrow { reg_id x_start y_start } {
+    global arrow_in_progress next_button_data region_data current_arrow \
+	    zoneWindow prev_reg_id ordered_region_list
+    
+  
+    set path_name $zoneWindow.work_space
+# start an arrow in the middle of the little red button
+    
+    
+
+    set arrow [$zoneWindow.work_space create line \
+	    [expr $region_data($prev_reg_id,x_init) + 40] \
+	    [expr $region_data($prev_reg_id,y_init) + 20]\
+	    \
+	    $x_start $y_start -width 3 -arrow last \
+	    -arrowshape {6.0m 8.0m 1.5m} -fill blue -tags arrow$reg_id]
+#	    [expr $region_data($prev_reg_id,x_init) + 40] \
+#	    [expr $region_data($prev_reg_id,y_final)]\
+
+    set region_data($reg_id,arrow) $arrow
+    #set arrow_in_progress 1
+    set current_arrow $arrow
+    
+    set prev_reg_id $reg_id
+    lappend ordered_region_list $reg_id
+}
+
+
+proc finish_arrow { reg_id x_end y_end} {
+    global arrow_in_progress next_button_data region_data current_arrow \
+	    zoneWindow
+    
+  
+    set path_name $zoneWindow.work_space
+# end an arrow in the middle of the little blue button
+   
+  
+
+    set arrow [$zoneWindow.work_space create line $last_arrow_x $last_arrow_y $x_end $y_end  -width 3 -arrow last -arrowshape {6.0m 8.0m 1.5m} -fill blue -tags arrow$reg_id]
+
+    set region_data($reg_id,arrow) $arrow
+    set arrow_in_progress 0
+    set current_arrow $arrow
+}
+
+
+
+proc destroy_region { reg_id path_name } {
+    global region_list ordered_region_list region_data prev_reg_id
+
+    set curx [expr [expr $region_data($reg_id,x_init) \
+	    + $region_data($reg_id,x_final)] /2]
+    set cury [expr [expr $region_data($reg_id,y_init) \
+	    + $region_data($reg_id,y_final)] /2]
+    REMOVE_ZONE $curx $cury
+
+    $path_name delete region$reg_id
+    set region_list [ldelete $region_list $reg_id]
+
+    # Now we have to delete all of the ordering
+    foreach reg $ordered_region_list {
+    $path_name delete arrow$reg
+    set ordered_region_list [ldelete $ordered_region_list $reg]
+    }
+    set prev_reg_id 0
+}
+
+proc destroy_all_regions { } {
+    global region_data region_list zoneWindow prev_reg_id
+
+#    puts [array get region_list]
+    foreach reg $region_list {
+	destroy_region $reg $zoneWindow.work_space
+    }
+
+    
+}
+
+proc scale_zoned_page { } {
+        
+    global ZONING_SCALE_FACTOR
+    .zoning_window.work_space delete all
+    set display_height [expr $ZONING_SCALE_FACTOR * [get_page_height]]
+    set display_width [expr $ZONING_SCALE_FACTOR * [get_page_width]]
+    wm geometry .zoning_window [expr int($display_width)]x[expr int($display_height)]+300+100
+    zone_message  "Displaying Image"
+    DISPLAY_INTERVALS .zoning_window.work_space $ZONING_SCALE_FACTOR
+    zone_message  "Determining Line boundaries"
+    FIND_LINES
+    zone_message  " "
+    destroy .scale
+}
+
+
+proc set_active_zone { x y } {
+    global ZONING_SCALE_FACTOR SCALE_FACTOR cur_xoffset cur_yoffset
+
+    
+    SET_ACTIVE_PAGE [expr int( [expr $x / $ZONING_SCALE_FACTOR ] ) ]\
+	    [expr int( [expr $y / $ZONING_SCALE_FACTOR ] ) ]  
+
+
+}
+
+
+proc close_zoned_document { } {
+    global zoneWindow cur_xoffset cur_yoffset
+
+    set cur_xoffset 0
+    set cur_yoffset 0
+    .main_window.edit_window.text_part delete 1.0 end
+    .main_window.display.work_space delete all
+
+    destroy $zoneWindow
+    set COLORED_WORDS {}
+    DEALLOCATE_PAGE
+
+}
+
+proc init_zoning_help { path } {
+    global FOREGROUND BACKGROUND FONT
+
+
+    
+   
+    if { [winfo exists $help] } {
+	focus $help
+	return
+    }
+
+    set help [toplevel .zoning_help ]
+    wm title $help "CalZoning Help"
+#    wm geometry $help  400x500+600+150
+    message $help.msg -background white -foreground $FOREGROUND -font $FONT\
+	    -width 600  -text "\n\
+	    Delete a Zone - <Double-2> on red button\n\
+            Draw arrow to Zone - <Double-2> on blue button\n\
+            Create a Zone - <Button-1> drag and release\n\
+            Activate a Zone - <Double-2> within region (not on buttons)\n"
+
+
+            
+	                 
+    pack $help.msg -fill x -fill y -expand true
+    
+}
+
+
+proc ldelete {list value} {
+
+    set ix [lsearch -exact $list $value]
+    if { $ix >= 0 } {
+	return [lreplace $list $ix $ix]
+    } else {
+	return $list
+    }
+}
+
+
+
+