* renewal Ruby/Tk

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6237 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 3 insertions, 1020 deletions

diff --git a/ext/tk/lib/tkcanvas.rb b/ext/tk/lib/tkcanvas.rb
index ccb02c0564..9524614291 100644
--- a/ext/tk/lib/tkcanvas.rb
+++ b/ext/tk/lib/tkcanvas.rb
@@ -1,1021 +1,4 @@
 #
-#		tkcanvas.rb - Tk canvas classes
-#			$Date$
-#			by Yukihiro Matsumoto <matz@caelum.co.jp>
-#			$Date$
-#			by Hidetoshi Nagai <nagai@ai.kyutech.ac.jp>
-
-require "tk"
-require 'tkfont'
-
-module TkTreatCItemFont
-  include TkTreatItemFont
-
-  ItemCMD = ['itemconfigure'.freeze, TkComm::None].freeze
-  def __conf_cmd(idx)
-    ItemCMD[idx]
-  end
-
-  def __item_pathname(tagOrId)
-    if tagOrId.kind_of?(TkcItem) || tagOrId.kind_of?(TkcTag)
-      self.path + ';' + tagOrId.id.to_s
-    else
-      self.path + ';' + tagOrId.to_s
-    end
-  end
-
-  private :__conf_cmd, :__item_pathname
-end
-
-class TkCanvas<TkWindow
-  include TkTreatCItemFont
-  include Scrollable
-
-  TkCommandNames = ['canvas'.freeze].freeze
-  WidgetClassName = 'Canvas'.freeze
-  WidgetClassNames[WidgetClassName] = self
-
-  def __destroy_hook__
-    TkcItem::CItemID_TBL.delete(@path)
-  end
-
-  def create_self(keys)
-    if keys and keys != None
-      tk_call 'canvas', @path, *hash_kv(keys)
-    else
-      tk_call 'canvas', @path
-    end
-  end
-  private :create_self
-
-  def tagid(tag)
-    if tag.kind_of?(TkcItem) || tag.kind_of?(TkcTag)
-      tag.id
-    else
-      tag
-    end
-  end
-  private :tagid
-
-  def addtag(tag, mode, *args)
-    tk_send 'addtag', tagid(tag), mode, *args
-    self
-  end
-  def addtag_above(tagOrId, target)
-    addtag(tagOrId, 'above', tagid(target))
-  end
-  def addtag_all(tagOrId)
-    addtag(tagOrId, 'all')
-  end
-  def addtag_below(tagOrId, target)
-    addtag(tagOrId, 'below', tagid(target))
-  end
-  def addtag_closest(tagOrId, x, y, halo=None, start=None)
-    addtag(tagOrId, 'closest', x, y, halo, start)
-  end
-  def addtag_enclosed(tagOrId, x1, y1, x2, y2)
-    addtag(tagOrId, 'enclosed', x1, y1, x2, y2)
-  end
-  def addtag_overlapping(tagOrId, x1, y1, x2, y2)
-    addtag(tagOrId, 'overlapping', x1, y1, x2, y2)
-  end
-  def addtag_withtag(tagOrId, tag)
-    addtag(tagOrId, 'withtag', tagid(tag))
-  end
-
-  def bbox(tagOrId, *tags)
-    list(tk_send('bbox', tagid(tagOrId), *tags.collect{|t| tagid(t)}))
-  end
-
-  def itembind(tag, context, cmd=Proc.new, args=nil)
-    _bind([path, "bind", tagid(tag)], context, cmd, args)
-    self
-  end
-
-  def itembind_append(tag, context, cmd=Proc.new, args=nil)
-    _bind_append([path, "bind", tagid(tag)], context, cmd, args)
-    self
-  end
-
-  def itembind_remove(tag, context)
-    _bind_remove([path, "bind", tagid(tag)], context)
-    self
-  end
-
-  def itembindinfo(tag, context=nil)
-    _bindinfo([path, "bind", tagid(tag)], context)
-  end
-
-  def canvasx(x, *args)
-    tk_tcl2ruby(tk_send('canvasx', x, *args))
-  end
-  def canvasy(y, *args)
-    tk_tcl2ruby(tk_send('canvasy', y, *args))
-  end
-
-  def coords(tag, *args)
-    if args == []
-      tk_split_list(tk_send('coords', tagid(tag)))
-    else
-      tk_send('coords', tagid(tag), *(args.flatten))
-    end
-  end
-
-  def dchars(tag, first, last=None)
-    tk_send 'dchars', tagid(tag), first, last
-    self
-  end
-
-  def delete(*args)
-    if TkcItem::CItemID_TBL[self.path]
-      find('withtag', *args).each{|item| 
-	TkcItem::CItemID_TBL[self.path].delete(item.id)
-      }
-    end
-    tk_send 'delete', *args.collect{|t| tagid(t)}
-    self
-  end
-  alias remove delete
-
-  def dtag(tag, tag_to_del=None)
-    tk_send 'dtag', tagid(tag), tag_to_del
-    self
-  end
-
-  def find(mode, *args)
-    list(tk_send('find', mode, *args)).collect!{|id| 
-      TkcItem.id2obj(self, id)
-    }
-  end
-  def find_above(target)
-    find('above', tagid(target))
-  end
-  def find_all
-    find('all')
-  end
-  def find_below(target)
-    find('below', tagid(target))
-  end
-  def find_closest(x, y, halo=None, start=None)
-    find('closest', x, y, halo, start)
-  end
-  def find_enclosed(x1, y1, x2, y2)
-    find('enclosed', x1, y1, x2, y2)
-  end
-  def find_overlapping(x1, y1, x2, y2)
-    find('overlapping', x1, y1, x2, y2)
-  end
-  def find_withtag(tag)
-    find('withtag', tag)
-  end
-
-  def itemfocus(tagOrId=nil)
-    if tagOrId
-      tk_send 'focus', tagid(tagOrId)
-      self
-    else
-      ret = tk_send('focus')
-      if ret == ""
-	nil
-      else
-	TkcItem.id2obj(self, ret)
-      end
-    end
-  end
-
-  def gettags(tagOrId)
-    list(tk_send('gettags', tagid(tagOrId))).collect{|tag|
-      TkcTag.id2obj(self, tag)
-    }
-  end
-
-  def icursor(tagOrId, index)
-    tk_send 'icursor', tagid(tagOrId), index
-    self
-  end
-
-  def index(tagOrId, index)
-    number(tk_send('index', tagid(tagOrId), index))
-  end
-
-  def insert(tagOrId, index, string)
-    tk_send 'insert', tagid(tagOrId), index, string
-    self
-  end
-
-  def itemcget(tagOrId, option)
-    case option.to_s
-    when 'dash', 'activedash', 'disableddash'
-      conf = tk_send('itemcget', tagid(tagOrId), "-#{option}")
-      if conf =~ /^[0-9]/
-	list(conf)
-      else
-	conf
-      end
-    when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
-      tk_send 'itemcget', tagid(tagOrId), "-#{option}"
-    when 'font', 'kanjifont'
-      #fnt = tk_tcl2ruby(tk_send('itemcget', tagid(tagOrId), "-#{option}"))
-      fnt = tk_tcl2ruby(tk_send('itemcget', tagid(tagOrId), '-font'))
-      unless fnt.kind_of?(TkFont)
-	fnt = tagfontobj(tagid(tagOrId), fnt)
-      end
-      if option.to_s == 'kanjifont' && JAPANIZED_TK && TK_VERSION =~ /^4\.*/
-	# obsolete; just for compatibility
-	fnt.kanji_font
-      else
-	fnt
-      end
-    else
-      tk_tcl2ruby tk_send('itemcget', tagid(tagOrId), "-#{option}")
-    end
-  end
-
-  def itemconfigure(tagOrId, key, value=None)
-    if key.kind_of? Hash
-      key = _symbolkey2str(key)
-      if ( key['font'] || key['kanjifont'] \
-	  || key['latinfont'] || key['asciifont'] )
-	tagfont_configure(tagid(tagOrId), key.dup)
-      else
-	tk_send 'itemconfigure', tagid(tagOrId), *hash_kv(key)
-      end
-
-    else
-      if ( key == 'font' || key == :font || 
-           key == 'kanjifont' || key == :kanjifont || 
-	   key == 'latinfont' || key == :latinfont || 
-           key == 'asciifont' || key == :asciifont )
-	if value == None
-	  tagfontobj(tagid(tagOrId))
-	else
-	  tagfont_configure(tagid(tagOrId), {key=>value})
-	end
-      else
-	tk_send 'itemconfigure', tagid(tagOrId), "-#{key}", value
-      end
-    end
-    self
-  end
-#  def itemconfigure(tagOrId, key, value=None)
-#    if key.kind_of? Hash
-#      tk_send 'itemconfigure', tagid(tagOrId), *hash_kv(key)
-#    else
-#      tk_send 'itemconfigure', tagid(tagOrId), "-#{key}", value
-#    end
-#  end
-#  def itemconfigure(tagOrId, keys)
-#    tk_send 'itemconfigure', tagid(tagOrId), *hash_kv(keys)
-#  end
-
-  def itemconfiginfo(tagOrId, key=nil)
-    if key
-      case key.to_s
-      when 'dash', 'activedash', 'disableddash'
-	conf = tk_split_simplelist(tk_send('itemconfigure', 
-					   tagid(tagOrId), "-#{key}"))
-	if conf[3] && conf[3] =~ /^[0-9]/
-	  conf[3] = list(conf[3])
-	end
-	if conf[4] && conf[4] =~ /^[0-9]/
-	  conf[4] = list(conf[4])
-	end
-      when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
-	conf = tk_split_simplelist(tk_send('itemconfigure', 
-					   tagid(tagOrId), "-#{key}"))
-      when 'font', 'kanjifont'
-	conf = tk_split_simplelist(tk_send('itemconfigure',
-					   tagid(tagOrId),"-#{key}") )
-	conf[4] = tagfont_configinfo(tagid(tagOrId), conf[4])
-      else
-	conf = tk_split_list(tk_send('itemconfigure', 
-				     tagid(tagOrId), "-#{key}"))
-      end
-      conf[0] = conf[0][1..-1]
-      conf
-    else
-      ret = tk_split_simplelist(tk_send('itemconfigure', 
-					tagid(tagOrId))).collect{|conflist|
-	conf = tk_split_simplelist(conflist)
-	conf[0] = conf[0][1..-1]
-	case conf[0]
-	when 'text', 'label', 'show', 'data', 'file', 'maskdata', 'maskfile'
-	when 'dash', 'activedash', 'disableddash'
-	  if conf[3] && conf[3] =~ /^[0-9]/
-	    conf[3] = list(conf[3])
-	  end
-	  if conf[4] && conf[4] =~ /^[0-9]/
-	    conf[4] = list(conf[4])
-	  end
-	else
-	  if conf[3]
-	    if conf[3].index('{')
-	      conf[3] = tk_split_list(conf[3]) 
-	    else
-	      conf[3] = tk_tcl2ruby(conf[3]) 
-	    end
-	  end
-	  if conf[4]
-	    if conf[4].index('{')
-	      conf[4] = tk_split_list(conf[4]) 
-	    else
-	      conf[4] = tk_tcl2ruby(conf[4]) 
-	    end
-	  end
-	end
-	conf
-      }
-      fontconf = ret.assoc('font')
-      if fontconf
-	ret.delete_if{|item| item[0] == 'font' || item[0] == 'kanjifont'}
-	fontconf[4] = tagfont_configinfo(tagid(tagOrId), fontconf[4])
-	ret.push(fontconf)
-      else
-	ret
-      end
-    end
-  end
-
-  def lower(tag, below=None)
-    tk_send 'lower', tagid(tag), tagid(below)
-    self
-  end
-
-  def move(tag, x, y)
-    tk_send 'move', tagid(tag), x, y
-    self
-  end
-
-  def postscript(keys)
-    tk_send "postscript", *hash_kv(keys)
-  end
-
-  def raise(tag, above=None)
-    tk_send 'raise', tagid(tag), tagid(above)
-    self
-  end
-
-  def scale(tag, x, y, xs, ys)
-    tk_send 'scale', tagid(tag), x, y, xs, ys
-    self
-  end
-
-  def scan_mark(x, y)
-    tk_send 'scan', 'mark', x, y
-    self
-  end
-  def scan_dragto(x, y)
-    tk_send 'scan', 'dragto', x, y
-    self
-  end
-
-  def select(mode, *args)
-    r = tk_send('select', mode, *args)
-    (mode == 'item')? TkcItem.id2obj(self, r): self
-  end
-  def select_adjust(tagOrId, index)
-    select('adjust', tagid(tagOrId), index)
-  end
-  def select_clear
-    select('clear')
-  end
-  def select_from(tagOrId, index)
-    select('from', tagid(tagOrId), index)
-  end
-  def select_item
-    select('item')
-  end
-  def select_to(tagOrId, index)
-    select('to', tagid(tagOrId), index)
-  end
-
-  def itemtype(tag)
-    TkcItem.type2class(tk_send('type', tagid(tag)))
-  end
-end
-
-module TkcTagAccess
-  include TkComm
-  include TkTreatTagFont
-
-  def addtag(tag)
-    @c.addtag(tag, 'with', @id)
-    self
-  end
-
-  def bbox
-    @c.bbox(@id)
-  end
-
-  def bind(seq, cmd=Proc.new, args=nil)
-    @c.itembind @id, seq, cmd, args
-    self
-  end
-
-  def bind_append(seq, cmd=Proc.new, args=nil)
-    @c.itembind_append @id, seq, cmd, args
-    self
-  end
-
-  def bind_remove(seq)
-    @c.itembind_remove @id, seq
-    self
-  end
-
-  def bindinfo(seq=nil)
-    @c.itembindinfo @id, seq
-  end
-
-  def cget(option)
-    @c.itemcget @id, option
-  end
-
-  def configure(key, value=None)
-    @c.itemconfigure @id, key, value
-    self
-  end
-#  def configure(keys)
-#    @c.itemconfigure @id, keys
-#  end
-
-  def configinfo(key=nil)
-    @c.itemconfiginfo @id, key
-  end
-
-  def coords(*args)
-    @c.coords @id, *args
-  end
-
-  def dchars(first, last=None)
-    @c.dchars @id, first, last
-    self
-  end
-
-  def dtag(tag_to_del=None)
-    @c.dtag @id, tag_to_del
-    self
-  end
-
-  def find
-    @c.find 'withtag', @id
-  end
-  alias list find
-
-  def focus
-    @c.itemfocus @id
-  end
-
-  def gettags
-    @c.gettags @id
-  end
-
-  def icursor(index)
-    @c.icursor @id, index
-    self
-  end
-
-  def index(index)
-    @c.index @id, index
-  end
-
-  def insert(beforethis, string)
-    @c.insert @id, beforethis, string
-    self
-  end
-
-  def lower(belowthis=None)
-    @c.lower @id, belowthis
-    self
-  end
-
-  def move(xamount, yamount)
-    @c.move @id, xamount, yamount
-    self
-  end
-
-  def raise(abovethis=None)
-    @c.raise @id, abovethis
-    self
-  end
-
-  def scale(xorigin, yorigin, xscale, yscale)
-    @c.scale @id, xorigin, yorigin, xscale, yscale
-    self
-  end
-
-  def select_adjust(index)
-    @c.select('adjust', @id, index)
-    self
-  end
-  def select_from(index)
-    @c.select('from', @id, index)
-    self
-  end
-  def select_to(index)
-    @c.select('to', @id, index)
-    self
-  end
-
-  def itemtype
-    @c.itemtype @id
-  end
-
-  # Following operators support logical expressions of canvas tags
-  # (for Tk8.3+).
-  # If tag1.path is 't1' and tag2.path is 't2', then
-  #      ltag = tag1 & tag2; ltag.path => "(t1)&&(t2)"
-  #      ltag = tag1 | tag2; ltag.path => "(t1)||(t2)"
-  #      ltag = tag1 ^ tag2; ltag.path => "(t1)^(t2)"
-  #      ltag = - tag1;      ltag.path => "!(t1)"
-  def & (tag)
-    if tag.kind_of? TkObject
-      TkcTagString.new(@c, '(' + @id + ')&&(' + tag.path + ')')
-    else
-      TkcTagString.new(@c, '(' + @id + ')&&(' + tag.to_s + ')')
-    end
-  end
-
-  def | (tag)
-    if tag.kind_of? TkObject
-      TkcTagString.new(@c, '(' + @id + ')||(' + tag.path + ')')
-    else
-      TkcTagString.new(@c, '(' + @id + ')||(' + tag.to_s + ')')
-    end
-  end
-
-  def ^ (tag)
-    if tag.kind_of? TkObject
-      TkcTagString.new(@c, '(' + @id + ')^(' + tag.path + ')')
-    else
-      TkcTagString.new(@c, '(' + @id + ')^(' + tag.to_s + ')')
-    end
-  end
-
-  def -@
-    TkcTagString.new(@c, '!(' + @id + ')')
-  end
-end
-
-class TkcTag<TkObject
-  include TkcTagAccess
-
-  CTagID_TBL = TkCore::INTERP.create_table
-  Tk_CanvasTag_ID = ['ctag'.freeze, '00000'.taint].freeze
-
-  TkCore::INTERP.init_ip_env{ CTagID_TBL.clear }
-
-  def TkcTag.id2obj(canvas, id)
-    cpath = canvas.path
-    return id unless CTagID_TBL[cpath]
-    CTagID_TBL[cpath][id]? CTagID_TBL[cpath][id]: id
-  end
-
-  def initialize(parent, mode=nil, *args)
-    if not parent.kind_of?(TkCanvas)
-      fail Kernel.format("%s need to be TkCanvas", parent.inspect)
-    end
-    @c = parent
-    @cpath = parent.path
-    @path = @id = Tk_CanvasTag_ID.join
-    CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
-    CTagID_TBL[@cpath][@id] = self
-    Tk_CanvasTag_ID[1].succ!
-    if mode
-      tk_call @c.path, "addtag", @id, mode, *args
-    end
-  end
-  def id
-    @id
-  end
-
-  def delete
-    @c.delete @id
-    CTagID_TBL[@cpath].delete(@id) if CTagID_TBL[@cpath]
-    self
-  end
-  alias remove  delete
-  alias destroy delete
-
-  def set_to_above(target)
-    @c.addtag_above(@id, target)
-    self
-  end
-  alias above set_to_above
-
-  def set_to_all
-    @c.addtag_all(@id)
-    self
-  end
-  alias all set_to_all
-
-  def set_to_below(target)
-    @c.addtag_below(@id, target)
-    self
-  end
-  alias below set_to_below
-
-  def set_to_closest(x, y, halo=None, start=None)
-    @c.addtag_closest(@id, x, y, halo, start)
-    self
-  end
-  alias closest set_to_closest
-
-  def set_to_enclosed(x1, y1, x2, y2)
-    @c.addtag_enclosed(@id, x1, y1, x2, y2)
-    self
-  end
-  alias enclosed set_to_enclosed
-
-  def set_to_overlapping(x1, y1, x2, y2)
-    @c.addtag_overlapping(@id, x1, y1, x2, y2)
-    self
-  end
-  alias overlapping set_to_overlapping
-
-  def set_to_withtag(target)
-    @c.addtag_withtag(@id, target)
-    self
-  end
-  alias withtag set_to_withtag
-end
-
-class TkcTagString<TkcTag
-  def self.new(parent, name, *args)
-    if CTagID_TBL[parent.path] && CTagID_TBL[parent.path][name]
-      return CTagID_TBL[parent.path][name]
-    else
-      super(parent, name, *args)
-    end
-  end
-
-  def initialize(parent, name, mode=nil, *args)
-    if not parent.kind_of?(TkCanvas)
-      fail Kernel.format("%s need to be TkCanvas", parent.inspect)
-    end
-    @c = parent
-    @cpath = parent.path
-    @path = @id = name
-    CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
-    CTagID_TBL[@cpath][@id] = self
-    if mode
-      tk_call @c.path, "addtag", @id, mode, *args
-    end
-  end
-end
-TkcNamedTag = TkcTagString
-
-class TkcTagAll<TkcTag
-  def initialize(parent)
-    if not parent.kind_of?(TkCanvas)
-      fail Kernel.format("%s need to be TkCanvas", parent.inspect)
-    end
-    @c = parent
-    @cpath = parent.path
-    @path = @id = 'all'
-    CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
-    CTagID_TBL[@cpath][@id] = self
-  end
-end
-
-class TkcTagCurrent<TkcTag
-  def initialize(parent)
-    if not parent.kind_of?(TkCanvas)
-      fail Kernel.format("%s need to be TkCanvas", parent.inspect)
-    end
-    @c = parent
-    @cpath = parent.path
-    @path = @id = 'current'
-    CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
-    CTagID_TBL[@cpath][@id] = self
-  end
-end
-
-class TkcGroup<TkcTag
-  Tk_cGroup_ID = ['tkcg'.freeze, '00000'.taint].freeze
-  def create_self(parent, *args)
-    if not parent.kind_of?(TkCanvas)
-      fail Kernel.format("%s need to be TkCanvas", parent.inspect)
-    end
-    @c = parent
-    @cpath = parent.path
-    @path = @id = Tk_cGroup_ID.join
-    CTagID_TBL[@cpath] = {} unless CTagID_TBL[@cpath]
-    CTagID_TBL[@cpath][@id] = self
-    Tk_cGroup_ID[1].succ!
-    add(*args) if args != []
-  end
-  private :create_self
-  
-  def include(*tags)
-    for i in tags
-      i.addtag @id
-    end
-    self
-  end
-
-  def exclude(*tags)
-    for i in tags
-      i.delete @id
-    end
-    self
-  end
-end
-
-class TkcItem<TkObject
-  include TkcTagAccess
-
-  CItemTypeToClass = {}
-  CItemID_TBL = TkCore::INTERP.create_table
-
-  TkCore::INTERP.init_ip_env{ CItemID_TBL.clear }
-
-  def TkcItem.type2class(type)
-    CItemTypeToClass[type]
-  end
-
-  def TkcItem.id2obj(canvas, id)
-    cpath = canvas.path
-    return id unless CItemID_TBL[cpath]
-    CItemID_TBL[cpath][id]? CItemID_TBL[cpath][id]: id
-  end
-
-  def initialize(parent, *args)
-    if not parent.kind_of?(TkCanvas)
-      fail Kernel.format("%s need to be TkCanvas", parent.inspect)
-    end
-    @parent = @c = parent
-    @path = parent.path
-    fontkeys = {}
-    if args.size == 1 && args[0].kind_of?(Hash)
-      args[0] = _symbolkey2str(args[0])
-      coords = args[0].delete('coords')
-      if not coords.kind_of?(Array)
-        fail "coords parameter must be given by an Array"
-      end
-      args[0,0] = coords.flatten
-    end
-    if args[-1].kind_of? Hash
-      keys = _symbolkey2str(args.pop)
-      ['font', 'kanjifont', 'latinfont', 'asciifont'].each{|key|
-	fontkeys[key] = keys.delete(key) if keys.key?(key)
-      }
-      args += hash_kv(keys)
-    end
-    @id = create_self(*args).to_i ;# 'canvas item id' is integer number
-    CItemID_TBL[@path] = {} unless CItemID_TBL[@path]
-    CItemID_TBL[@path][@id] = self
-    configure(fontkeys) unless fontkeys.empty?
-
-######## old version
-#    if args[-1].kind_of? Hash
-#      keys = args.pop
-#    end
-#    @id = create_self(*args).to_i ;# 'canvas item id' is integer number
-#    CItemID_TBL[@path] = {} unless CItemID_TBL[@path]
-#    CItemID_TBL[@path][@id] = self
-#    if keys
-#      # tk_call @path, 'itemconfigure', @id, *hash_kv(keys)
-#      configure(keys) if keys
-#    end
-########
-  end
-  def create_self(*args); end
-  private :create_self
-
-  def id
-    @id
-  end
-
-  def delete
-    @c.delete @id
-    CItemID_TBL[@path].delete(@id) if CItemID_TBL[@path]
-    self
-  end
-  alias remove  delete
-  alias destroy delete
-end
-
-class TkcArc<TkcItem
-  CItemTypeToClass['arc'] = self
-  def create_self(*args)
-    tk_call(@path, 'create', 'arc', *args)
-  end
-  private :create_self
-end
-
-class TkcBitmap<TkcItem
-  CItemTypeToClass['bitmap'] = self
-  def create_self(*args)
-    tk_call(@path, 'create', 'bitmap', *args)
-  end
-  private :create_self
-end
-
-class TkcImage<TkcItem
-  CItemTypeToClass['image'] = self
-  def create_self(*args)
-    tk_call(@path, 'create', 'image', *args)
-  end
-  private :create_self
-end
-
-class TkcLine<TkcItem
-  CItemTypeToClass['line'] = self
-  def create_self(*args)
-    tk_call(@path, 'create', 'line', *args)
-  end
-  private :create_self
-end
-
-class TkcOval<TkcItem
-  CItemTypeToClass['oval'] = self
-  def create_self(*args)
-    tk_call(@path, 'create', 'oval', *args)
-  end
-  private :create_self
-end
-
-class TkcPolygon<TkcItem
-  CItemTypeToClass['polygon'] = self
-  def create_self(*args)
-    tk_call(@path, 'create', 'polygon', *args)
-  end
-  private :create_self
-end
-
-class TkcRectangle<TkcItem
-  CItemTypeToClass['rectangle'] = self
-  def create_self(*args)
-    tk_call(@path, 'create', 'rectangle', *args)
-  end
-  private :create_self
-end
-
-class TkcText<TkcItem
-  CItemTypeToClass['text'] = self
-  def create_self(*args)
-    tk_call(@path, 'create', 'text', *args)
-  end
-  private :create_self
-end
-
-class TkcWindow<TkcItem
-  CItemTypeToClass['window'] = self
-  def create_self(*args)
-    keys = args.pop
-    if keys && keys.kind_of?(Hash)
-      keys = _symbolkey2str(keys)
-      win = keys['window']
-      keys['window'] = win.epath if win.kind_of?(TkWindow)
-    end
-    args.push(keys) if keys
-    tk_call(@path, 'create', 'window', *args)
-  end
-  private :create_self
-end
-
-class TkImage<TkObject
-  include Tk
-
-  TkCommandNames = ['image'.freeze].freeze
-
-  Tk_IMGTBL = TkCore::INTERP.create_table
-  Tk_Image_ID = ['i'.freeze, '00000'.taint].freeze
-
-  TkCore::INTERP.init_ip_env{ Tk_IMGTBL.clear }
-
-  def initialize(keys=nil)
-    @path = Tk_Image_ID.join
-    Tk_Image_ID[1].succ!
-    tk_call 'image', 'create', @type, @path, *hash_kv(keys)
-    Tk_IMGTBL[@path] = self
-  end
-
-  def delete
-    Tk_IMGTBL.delete(@id) if @id
-    tk_call('image', 'delete', @path)
-    self
-  end
-  def height
-    number(tk_call('image', 'height', @path))
-  end
-  def inuse
-    bool(tk_call('image', 'inuse', @path))
-  end
-  def itemtype
-    tk_call('image', 'type', @path)
-  end
-  def width
-    number(tk_call('image', 'width', @path))
-  end
-
-  def TkImage.names
-    Tk.tk_call('image', 'names').split.collect!{|id|
-      (Tk_IMGTBL[id])? Tk_IMGTBL[id] : id
-    }
-  end
-
-  def TkImage.types
-    Tk.tk_call('image', 'types').split
-  end
-end
-
-class TkBitmapImage<TkImage
-  def initialize(*args)
-    @type = 'bitmap'
-    super
-  end
-end
-
-class TkPhotoImage<TkImage
-  def initialize(*args)
-    @type = 'photo'
-    super
-  end
-
-  def blank
-    tk_send 'blank'
-    self
-  end
-
-  def cget(option)
-    case option.to_s
-    when 'data', 'file'
-      tk_send 'cget', option
-    else
-      tk_tcl2ruby tk_send('cget', option)
-    end
-  end
-
-  def copy(source, *opts)
-    args = opts.collect{|term|
-      if term.kind_of?(String) && term.include?(?\s)
-	term.split
-      else
-	term
-      end
-    }.flatten
-
-    tk_send 'copy', source, *args
-
-    self
-  end
-
-  def data(keys=nil)
-    tk_send('data', *hash_kv(keys))
-  end
-
-  def get(x, y)
-    tk_send('get', x, y).split.collect{|n| n.to_i}
-  end
-
-  def put(data, *to)
-    if to == []
-      tk_send 'put', data
-    else
-      tk_send 'put', data, '-to', *to
-    end
-    self
-  end
-
-  def read(file, *opts)
-    args = opts.collect{|term|
-      if term.kind_of?(String) && term.include?(?\s)
-	term.split
-      else
-	term
-      end
-    }.flatten
-  
-    tk_send 'read', file, *args
-
-    self
-  end
-
-  def redither
-    tk_send 'redither'
-    self
-  end
-
-  def get_transparency(x, y)
-    bool(tk_send('transparency', 'get', x, y))
-  end
-  def set_transparency(x, y, st)
-    tk_send('transparency', 'set', x, y, st)
-    self
-  end
-
-  def write(file, *opts)
-    args = opts.collect{|term|
-      if term.kind_of?(String) && term.include?(?\s)
-	term.split
-      else
-	term
-      end
-    }.flatten
-  
-    tk_send 'write', file, *args
-
-    self
-  end
-end
+#   tkcanvas.rb - load tk/canvas.rb
+#
+require 'tk/canvas'