1 files changed, 237 insertions, 0 deletions
diff --git a/ruby_1_8_5/ext/tk/lib/tk/image.rb b/ruby_1_8_5/ext/tk/lib/tk/image.rb
new file mode 100644
index 0000000000..35e2c4e394
--- /dev/null
+++ b/ruby_1_8_5/ext/tk/lib/tk/image.rb
@@ -0,0 +1,237 @@
+#
+# tk/image.rb : treat Tk image objects
+#
+
+require 'tk'
+
+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 self.new(keys=nil)
+    if keys.kind_of?(Hash)
+      name = nil
+      if keys.key?(:imagename)
+        name = keys[:imagename]
+      elsif keys.key?('imagename')
+        name = keys['imagename']
+      end
+      if name
+        if name.kind_of?(TkImage)
+          obj = name
+        else
+          name = _get_eval_string(name)
+          obj = Tk_IMGTBL[name]
+        end
+        if obj
+          if !(keys[:without_creating] || keys['without_creating'])
+            keys = _symbolkey2str(keys)
+            keys.delete('imagename')
+            keys.delete('without_creating')
+            obj.instance_eval{
+              tk_call_without_enc('image', 'create', 
+                                  @type, @path, *hash_kv(keys, true))
+            }
+          end
+          return obj
+        end
+      end
+    end
+    super(keys)
+  end
+
+  def initialize(keys=nil)
+    @path = nil
+    without_creating = false
+    if keys.kind_of?(Hash)
+      keys = _symbolkey2str(keys)
+      @path = keys.delete('imagename')
+      without_creating = keys.delete('without_creating')
+    end
+    unless @path
+      # @path = Tk_Image_ID.join('')
+      @path = Tk_Image_ID.join(TkCore::INTERP._ip_id_)
+      Tk_Image_ID[1].succ!
+    end
+    unless without_creating
+      tk_call_without_enc('image', 'create', 
+                          @type, @path, *hash_kv(keys, true))
+    end
+    Tk_IMGTBL[@path] = self
+  end
+
+  def delete
+    Tk_IMGTBL.delete(@id) if @id
+    tk_call_without_enc('image', 'delete', @path)
+    self
+  end
+  def height
+    number(tk_call_without_enc('image', 'height', @path))
+  end
+  def inuse
+    bool(tk_call_without_enc('image', 'inuse', @path))
+  end
+  def itemtype
+    tk_call_without_enc('image', 'type', @path)
+  end
+  def width
+    number(tk_call_without_enc('image', 'width', @path))
+  end
+
+  def TkImage.names
+    Tk.tk_call_without_enc('image', 'names').split.collect!{|id|
+      (Tk_IMGTBL[id])? Tk_IMGTBL[id] : id
+    }
+  end
+
+  def TkImage.types
+    Tk.tk_call_without_enc('image', 'types').split
+  end
+end
+
+class TkBitmapImage<TkImage
+  def __strval_optkeys
+    super() + ['maskdata', 'maskfile']
+  end
+  private :__strval_optkeys
+
+  def initialize(*args)
+    @type = 'bitmap'
+    super(*args)
+  end
+end
+
+class TkPhotoImage<TkImage
+  NullArgOptionKeys = [ "shrink", "grayscale" ]
+
+  def _photo_hash_kv(keys)
+    keys = _symbolkey2str(keys)
+    NullArgOptionKeys.collect{|opt|
+      if keys[opt]
+        keys[opt] = None
+      else
+        keys.delete(opt)
+      end
+    }
+    keys.collect{|k,v|
+      ['-' << k, v]
+    }.flatten
+  end
+  private :_photo_hash_kv
+
+  def initialize(*args)
+    @type = 'photo'
+    super(*args)
+  end
+
+  def blank
+    tk_send_without_enc('blank')
+    self
+  end
+
+  def cget(option)
+    case option.to_s
+    when 'data', 'file'
+      tk_send 'cget', '-' << option.to_s
+    else
+      tk_tcl2ruby(tk_send('cget', '-' << option.to_s))
+    end
+  end
+
+  def copy(src, *opts)
+    if opts.size == 0
+      tk_send('copy', src)
+    elsif opts.size == 1 && opts[0].kind_of?(Hash)
+      tk_send('copy', src, *_photo_hash_kv(opts[0]))
+    else
+      # for backward compatibility
+      args = opts.collect{|term|
+        if term.kind_of?(String) && term.include?(?\s)
+          term.split
+        else
+          term
+        end
+      }.flatten
+      tk_send('copy', src, *args)
+    end
+    self
+  end
+
+  def data(keys={})
+    #tk_send('data', *_photo_hash_kv(keys))
+    tk_split_list(tk_send('data', *_photo_hash_kv(keys)))
+  end
+
+  def get(x, y)
+    tk_send('get', x, y).split.collect{|n| n.to_i}
+  end
+
+  def put(data, *opts)
+    if opts == []
+      tk_send('put', data)
+    elsif opts.size == 1 && opts[0].kind_of?(Hash)
+      tk_send('put', data, *_photo_hash_kv(opts[0]))
+    else
+      # for backward compatibility
+      tk_send('put', data, '-to', *opts)
+    end
+    self
+  end
+
+  def read(file, *opts)
+    if opts.size == 0
+      tk_send('read', file)
+    elsif opts.size == 1 && opts[0].kind_of?(Hash)
+      tk_send('read', file, *_photo_hash_kv(opts[0]))
+    else
+      # for backward compatibility
+      args = opts.collect{|term|
+        if term.kind_of?(String) && term.include?(?\s)
+          term.split
+        else
+          term
+        end
+      }.flatten
+      tk_send('read', file, *args)
+    end
+    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)
+    if opts.size == 0
+      tk_send('write', file)
+    elsif opts.size == 1 && opts[0].kind_of?(Hash)
+      tk_send('write', file, *_photo_hash_kv(opts[0]))
+    else
+      # for backward compatibility
+      args = opts.collect{|term|
+        if term.kind_of?(String) && term.include?(?\s)
+          term.split
+        else
+          term
+        end
+      }.flatten
+      tk_send('write', file, *args)
+    end
+    self
+  end
+end