Class: TkPhotoImage

Inherits:
TkImage show all
Defined in:
lib/tk/image.rb

Direct Known Subclasses

Tk::BWidget::Bitmap

Constant Summary collapse

NullArgOptionKeys = 
[ "shrink", "grayscale" ]

Constants inherited from TkImage

TkImage::TkCommandNames, TkImage::Tk_IMGTBL, TkImage::Tk_Image_ID

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 Tk::Encoding

Tk::Encoding::TkCommandNames

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

Instance Method Summary collapse

Methods inherited from TkImage

#delete, #height, #inuse, #itemtype, names, new, types, #width

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, _callback_entry?, _callback_entry_class?, _curr_cmd_id, _fromUTF8, _genobj_for_tkwidget, _next_cmd_id, _toUTF8, array2tk_list, #bind, #bind_all, #bind_append, #bind_append_all, #bind_remove, #bind_remove_all, #bindinfo, #bindinfo_all, bool, image_obj, install_cmd, list, num_or_str, number, procedure, simplelist, string, #subst, tk_tcl2ruby, uninstall_cmd, window

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 included from TkEvent

#install_bind, #install_bind_for_event_class

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

#[], #[]=, #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

Methods inherited from TkKernel

new

Constructor Details

#initialize(*args) ⇒ TkPhotoImage

Returns a new instance of TkPhotoImage.



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# File 'lib/tk/image.rb', line 128

def initialize(*args)
  @type = 'photo'
  super(*args)
end

Dynamic Method Handling

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

Instance Method Details

#blank ⇒ Object 



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# File 'lib/tk/image.rb', line 133

def blank
  tk_send_without_enc('blank')
  self
end

#cget(option) ⇒ Object 



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# File 'lib/tk/image.rb', line 138

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

#copy(src, *opts) ⇒ Object 



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# File 'lib/tk/image.rb', line 147

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

#data(keys = {}) ⇒ Object 



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# File 'lib/tk/image.rb', line 166

def data(keys={})
  #tk_send('data', *_photo_hash_kv(keys))
  tk_split_list(tk_send('data', *_photo_hash_kv(keys)))
end

#get(x, y) ⇒ Object 



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# File 'lib/tk/image.rb', line 171

def get(x, y)
  tk_send('get', x, y).split.collect{|n| n.to_i}
end

#get_transparency(x, y) ⇒ Object 



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# File 'lib/tk/image.rb', line 211

def get_transparency(x, y)
  bool(tk_send('transparency', 'get', x, y))
end

#put(data, *opts) ⇒ Object 



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# File 'lib/tk/image.rb', line 175

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

#read(file, *opts) ⇒ Object 



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# File 'lib/tk/image.rb', line 187

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

#redither ⇒ Object 



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# File 'lib/tk/image.rb', line 206

def redither
  tk_send 'redither'
  self
end

#set_transparency(x, y, st) ⇒ Object 



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# File 'lib/tk/image.rb', line 214

def set_transparency(x, y, st)
  tk_send('transparency', 'set', x, y, st)
  self
end

#write(file, *opts) ⇒ Object 



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# File 'lib/tk/image.rb', line 219

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