Class: TkImage

Inherits:
TkObject show all
Includes:
Tk
Defined in:
lib/tk/image.rb

Constant Summary collapse

TkCommandNames = 
['image'.freeze].freeze
Tk_IMGTBL = 
TkCore::INTERP.create_table
Tk_Image_ID = 
['i'.freeze, '00000'.taint].freeze

Constants included from Tk

Tk::AUTO_PATH, Tk::INTERP, Tk::JAPANIZED_TK, Tk::LIBRARY_PATH, Tk::MAINLOOP, Tk::PACKAGE_PATH, Tk::RELEASE_DATE, Tk::TCL_LIBRARY_PATH, Tk::TCL_MAJOR_VERSION, Tk::TCL_MINOR_VERSION, Tk::TCL_PACKAGE_PATH, Tk::TCL_PATCHLEVEL, Tk::TCL_PRECISION, Tk::TCL_VERSION, Tk::TK_MAJOR_VERSION, Tk::TK_MINOR_VERSION, Tk::TK_PATCHLEVEL, Tk::TK_VERSION, Tk::Tkextlib_RELEASE_DATE, Tk::TreeCtrl_Widget, Tk::X_Scrollable, Tk::Y_Scrollable

Constants included from TkCore

TkCore::EventFlag, TkCore::INTERP, TkCore::WIDGET_DESTROY_HOOK

Constants included from TkComm

TkComm::GET_CONFIGINFO_AS_ARRAY, TkComm::GET_CONFIGINFOwoRES_AS_ARRAY, TkComm::TkExtlibAutoloadModule, TkComm::Tk_CMDTBL, TkComm::Tk_IDs, TkComm::Tk_WINDOWS, TkComm::USE_TCLs_LIST_FUNCTIONS, TkComm::WidgetClassNames

Constants included from TkUtil

TkUtil::None, TkUtil::RELEASE_DATE

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Tk

BinaryString, EncodedString, UTF8_String, add_kinsoku, bell, bell_on_display, const_missing, current_grabs, cursor_display, delete_kinsoku, destroy, #encoding, #encoding=, errorCode, errorInfo, exit, focus, focus_lastfor, focus_next, focus_prev, focus_to, fromUTF8, grid, grid_forget, has_mainwindow?, load_tcllibrary, load_tclscript, load_tclscript_rsrc, load_tclscript_rsrcid, lower_window, pack, pack_forget, pkgconfig_get, pkgconfig_list, place, place_forget, raise_window, #root, show_kinsoku, strictMotif, subst_tk_backslash, subst_utf_backslash, tcl_pkgconfig_get, tcl_pkgconfig_list, thread_update, thread_update_idletasks, tk_pkgconfig_get, tk_pkgconfig_list, toUTF8, to_backslash_sequence, ungrid, unload_tcllibrary, unpack, unplace, #update, update, update_idletasks, utf_to_backslash, utf_to_backslash_sequence

Methods included from Tk::Encoding

#encoding, #encoding=, #encoding_convertfrom, #encoding_convertto, #encoding_dirs, #encoding_dirs=, #encoding_names, #encoding_system, #encoding_system=

Methods included from TkCore

#_tk_call_to_list_core, #after, #after_cancel, #after_idle, #appname, #appsend, #appsend_deny, #appsend_displayof, callback, #callback_break, #callback_continue, #callback_return, #chooseColor, #chooseDirectory, #do_one_event, #event_generate, #getMultipleOpenFile, #getMultipleSaveFile, #getOpenFile, #getSaveFile, #get_eventloop_tick, #get_eventloop_weight, #get_no_event_wait, #inactive, #inactive_displayof, #info, #ip_eval, #ip_eval_with_enc, #ip_eval_without_enc, #ip_invoke, #ip_invoke_with_enc, #ip_invoke_without_enc, #is_mainloop?, #load_cmd_on_ip, #mainloop, #mainloop_exist?, #mainloop_thread?, #mainloop_watchdog, #messageBox, #rb_appsend, #rb_appsend_displayof, #reset_inactive, #reset_inactive_displayof, #restart, #scaling, #scaling_displayof, #set_eventloop_tick, #set_eventloop_weight, #set_no_event_wait, #tk_call, #tk_call_to_list, #tk_call_to_list_with_enc, #tk_call_to_list_without_enc, #tk_call_to_simplelist, #tk_call_to_simplelist_with_enc, #tk_call_to_simplelist_without_enc, #tk_call_with_enc, #tk_call_without_enc, #windowingsystem

Methods included from TkComm

#_at, #bind, #bind_all, #bind_append, #bind_append_all, #bind_remove, #bind_remove_all, #bindinfo, #bindinfo_all, #image_obj, #install_cmd, #subst, #uninstall_cmd

Methods included from TkEvent

#install_bind, #install_bind_for_event_class

Methods included from TkUtil

_conv_args, #_conv_args, #_fromUTF8, _get_eval_enc_str, #_get_eval_enc_str, #_get_eval_string, _get_eval_string, _symbolkey2str, #_symbolkey2str, #_toUTF8, bool, #bool, callback, eval_cmd, #hash_kv, hash_kv, install_cmd, num_or_str, #num_or_str, number, #number, string, #string, uninstall_cmd

Methods inherited from TkObject

#destroy, #epath, #event_generate, #method_missing, #path, #tk_send, #tk_send_to_list, #tk_send_to_list_with_enc, #tk_send_to_list_without_enc, #tk_send_to_simplelist, #tk_send_to_simplelist_with_enc, #tk_send_to_simplelist_without_enc, #tk_send_with_enc, #tk_send_without_enc, #to_eval

Methods included from TkBindCore

#bind, #bind_append, #bind_remove, #bindinfo

Methods included from TkConfigMethod

#[], #[]=, #cget, #config_hash_kv, #configinfo, #configure, #configure_cmd, #current_configinfo

Methods included from TkTreatFont

#font_configinfo, #font_configure, #font_copy, #kanjifont_configure, #kanjifont_copy, #latinfont_configure, #latinfont_copy

Constructor Details

#initialize(keys = nil) ⇒ TkImage

Returns a new instance of TkImage.



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# File 'lib/tk/image.rb', line 49

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

Dynamic Method Handling

This class handles dynamic methods through the method_missing method in the class TkObject

Class Method Details

.names ⇒ Object 



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# File 'lib/tk/image.rb', line 87

def TkImage.names
  Tk.tk_call_without_enc('image', 'names').split.collect!{|id|
    (Tk_IMGTBL[id])? Tk_IMGTBL[id] : id
  }
end

.new(keys = nil) ⇒ Object 



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# File 'lib/tk/image.rb', line 17

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

.types ⇒ Object 



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# File 'lib/tk/image.rb', line 93

def TkImage.types
  Tk.tk_call_without_enc('image', 'types').split
end

Instance Method Details

#delete ⇒ Object 



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# File 'lib/tk/image.rb', line 69

def delete
  Tk_IMGTBL.delete(@id) if @id
  tk_call_without_enc('image', 'delete', @path)
  self
end

#height ⇒ Object 



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# File 'lib/tk/image.rb', line 74

def height
  number(tk_call_without_enc('image', 'height', @path))
end

#inuse ⇒ Object 



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# File 'lib/tk/image.rb', line 77

def inuse
  bool(tk_call_without_enc('image', 'inuse', @path))
end

#itemtype ⇒ Object 



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# File 'lib/tk/image.rb', line 80

def itemtype
  tk_call_without_enc('image', 'type', @path)
end

#width ⇒ Object 



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# File 'lib/tk/image.rb', line 83

def width
  number(tk_call_without_enc('image', 'width', @path))
end