class TkImage - tk-0.2.0 Documentation

# class TkImage

### Constants

TkCommandNames
Tk_IMGTBL
Tk_Image_ID

### Public Class Methods

names() click to toggle source

    # File lib/tk/image.rb, line 105
    def TkImage.names
      Tk_IMGTBL.mutex.synchronize{
        Tk.tk_call_without_enc('image', 'names').split.collect!{|id|
          (Tk_IMGTBL[id])? Tk_IMGTBL[id] : id
        }
      }
    end

new(keys=nil) click to toggle source

    # File lib/tk/image.rb, line 24
    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 = nil
            Tk_IMGTBL.mutex.synchronize{
              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
      (obj = self.allocate).instance_eval{
        Tk_IMGTBL.mutex.synchronize{
          initialize(keys)
          Tk_IMGTBL[@path] = self
        }
      }
      obj
    end

new(keys=nil) click to toggle source

    # File lib/tk/image.rb, line 65
    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
        Tk_Image_ID.mutex.synchronize{
          @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
    end

types() click to toggle source

    # File lib/tk/image.rb, line 113
    def TkImage.types
      Tk.tk_call_without_enc('image', 'types').split
    end

### Public Instance Methods

delete() click to toggle source

    # File lib/tk/image.rb, line 85
    def delete
      Tk_IMGTBL.mutex.synchronize{
        Tk_IMGTBL.delete(@id) if @id
      }
      tk_call_without_enc('image', 'delete', @path)
      self
    end

height() click to toggle source

    # File lib/tk/image.rb, line 92
    def height
      number(tk_call_without_enc('image', 'height', @path))
    end

inuse() click to toggle source

    # File lib/tk/image.rb, line 95
    def inuse
      bool(tk_call_without_enc('image', 'inuse', @path))
    end

itemtype() click to toggle source

    # File lib/tk/image.rb, line 98
    def itemtype
      tk_call_without_enc('image', 'type', @path)
    end

mutex() click to toggle source

    # File lib/tk/image.rb, line 16
    def mutex; @mutex; end

width() click to toggle source

    # File lib/tk/image.rb, line 101
    def width
      number(tk_call_without_enc('image', 'width', @path))
    end