--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/reference/ocr-new/multi_zone.test.tcl Thu May 18 23:12:51 2006 +0200
@@ -0,0 +1,234 @@
+proc multiZone_open { filename } {
+# 1 means success
+ global IMAGE_DISPLAY_WIN ZONING_SCALE_FACTOR DISPLAY_IMAGE XV xvprocess \
+ multiZone_display_open
+
+ set open 1
+
+ if { $multiZone_display_open == $open } {
+ focus .zoning_window
+ } else {
+
+ toplevel .zoning_window
+ init_zoning_display .zoning_window
+ }
+
+
+# puts stdout "Opening $filename"
+ page_open $filename
+# Scale image to display
+ set ZONING_SCALE_FACTOR .50
+#[ max [expr 800.0/[get_page_height]] \
+# [expr 800/[get_page_width]] ]
+
+# puts stdout "Done putting into page structure"
+ if { 1 } {
+ set display_height [expr $ZONING_SCALE_FACTOR * [get_page_height]]
+ set display_width [expr $ZONING_SCALE_FACTOR * [get_page_width]]
+ append geometry [expr int($display_width)] x [expr int($display_height)]
+# puts stdout "Displaying Image"
+ if { $DISPLAY_IMAGE == $XV } {
+ set xvprocess [exec xv $filename &]
+ puts stdout "xvprocess $xvprocess"
+ } else {
+# use the canvas...
+ DISPLAY_INTERVALS .zoning_window.work_space $ZONING_SCALE_FACTOR
+ FIND_LINES
+ }
+ } else {
+ popup_image_failure_win
+ }
+ puts stdout "Determining Line boundaries"
+
+}
+
+
+proc init_zoning_display { window } {
+ global ZONING_SCALE_FACTOR BACKGROUND FOREGROUND scroll_inc
+ wm geometry $window 800x800
+ wm title $window "Zoning Window"
+ wm minsize $window 400 300
+ $window configure -background $BACKGROUND
+
+
+ set canvas_width 1000
+ set canvas_height 1000
+
+ canvas $window.work_space -bg white -xscrollcommand \
+ "$window.xscroller set" -yscrollcommand \
+ "$window.yscroller set" -xscrollincrement \
+ $scroll_inc -cursor {crosshair black gray} \
+ -width $canvas_width -height $canvas_height
+# two scrollbars
+ scrollbar $window.xscroller -command "$window.work_space xview" -orient horizontal -background $BACKGROUND
+ scrollbar $window.yscroller -command "$window.work_space yview" -background $BACKGROUND
+
+ pack $window.xscroller -side bottom -fill x
+}
+
+proc max { a b } {
+ if { [expr $a] > [expr $b] } {
+ return $a
+ } else {
+ return $b
+ }
+}
+
+
+
+
+
+set x_init 0
+set y_init 0
+set x_final 0
+set y_final 0
+
+set started_region 0
+set region_count 0
+
+
+proc initialize_region_grab { window } {
+#
+#
+# facilitates the grabbing of a rectangle of the window
+# using mouse button 1
+# canvas subwindow must be called $window.work_space
+
+ global x_init y_init x_final y_final started_region region_data region_list region_id arrow_in_progress current_arrow
+
+ bind $window.work_space <ButtonPress-1> {
+ if [expr ! $started_region] {
+ grab set $window
+ set x_init [$window.work_space canvasx %x]
+ set y_init [$window.work_space canvasy %y]
+
+ set region_id [$window.work_space create rectangle $x_init $y_init $x_init $y_init -outline black -width 3 ]
+ $window.work_space itemconfigure $region_id -tags region$region_id
+
+ set started_region 1
+
+ }
+ }
+ bind $window.work_space <ButtonRelease-1> {
+ set x_final [$window.work_space canvasx %x]
+ set y_final [$window.work_space canvasy %y]
+
+ $window.work_space coords region$region_id $x_init $y_init $x_final $y_final
+
+
+ # if finishing a rectangle, initialize its stuff in the array
+ if {$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 $window
+ }
+
+ bind $window.work_space <B2-Motion> {
+ if $arrow_in_progress {
+ set curx [$window.work_space canvasx %x]
+ set cury [$window.work_space canvasy %y]
+ $window.work_space coords $current_arrow 0 0 $curx $cury
+ }
+ }
+ bind $window.work_space <B1-Motion> {
+ if $started_region {
+
+ set curx [$window.work_space canvasx %x]
+ set cury [$window.work_space canvasy %y]
+
+ $window.work_space coords region$region_id $x_init $y_init $curx $cury
+
+
+ }
+ }
+ bind $window <Leave> {
+ # on leaving the display, release control of the mouse etc.
+ # maybe make it scroll instead?
+ if $started_region {
+ grab release $window
+ set started_region 0
+ $window.work_space coords region$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
+
+ set x_init $region_data($reg_id,x_init)
+ set y_init $region_data($reg_id,y_init)
+
+ set next_num [$window.work_space create rectangle $x_init $y_init [expr $x_init + 40] [expr $y_init + 20] -tags "region$reg_id next_button$reg_id"]
+#statement above had -fill blue between 20 and -tags
+ set next_button_data($next_num,reg_id) $reg_id
+ $window.work_space bind next_button$reg_id <Double-2> {
+ set reg_id $next_button_data([$window.work_space find withtag current],reg_id)
+ if { $arrow_in_progress } {
+ finish_arrow $reg_id
+ } else {
+ set canvas_x [$window.work_space canvasx %x]
+ set canvas_y [$window.work_space canvasy %y]
+ start_arrow $reg_id $canvas_x $canvas_y
+ puts stdout "Starting an arrow at $canvas_x $canvas_y"
+ }
+ }
+ set kill_num [$window.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
+
+ $window.work_space bind kill_button$reg_id <Double-2> {
+ set reg_id $kill_button_data([$window.work_space find withtag current],reg_id)
+ destroy_region $reg_id $window.work_space
+ }
+}
+
+
+
+
+proc start_arrow { reg_id x_start y_start } {
+ global arrow_in_progress next_button_data region_data current_arrow
+ set path_name $window.work_space
+# start an arrow in the middle of the little red button
+
+
+
+ set arrow [$window.work_space create line $x_start $y_start $x_start $y_start -width 3 -arrow last -arrowshape {6.0m 8.0m 1.5m} -fill blue -tags arrow$reg_id]
+
+ set region_data($reg_id,arrow) $arrow
+ set arrow_in_progress 1
+ set current_arrow $arrow
+}
+
+
+proc destroy_region { reg_id path_name } {
+ $path_name delete region$reg_id
+ puts stdout "Destroying $reg_id"
+}
+
+
+
+
+
+
+