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ruby--ruby/ext/tk/lib/tkextlib/blt/bitmap.rb
nagai 334325f72a * ext/tk/lib/tk.rb (_callback_entry_class?): add for checking whether
a class is available for a callback entry.
* ext/tk/lib/tk.rb (after_cancel): add Tk.after_cancel(afterID) method.
* ext/tk/lib/tk.rb (array2tk_list): change from private module method
  of TkComm to public module method.
* ext/tk/lib/tk.rb (cget): add check that slot argument is not empty string.
* ext/tk/lib/tk.rb (configinfo): ditto.
* ext/tk/lib/tk/itemconfig.rb (itemcget): add check that slot argument
  is not empty string.
* ext/tk/lib/tk/itemconfig.rb (itemconfiginfo): ditto.
* ext/tk/lib/tk/entry.rb: add TkEntry#icursor and icursor= (alias of
  cursor and cursor= method).
* ext/tk/lib/tk/font.rb: improve font treatment when the font name is
  empty string.
* ext/tk/lib/tk/variable.rb: add :variable, :window and :procedure type.
* ext/tk/lib/tk/variable.rb: improve treatment of array-type tkvariable.
* ext/tk/lib/tkextlib/blt.rb: add commands for zooming.
* ext/tk/lib/tkextlib/blt/*: bug fix.
* ext/tk/lib/tkextlib/treectrl/tktreectrl.rb: bug fix and add methods
  to call TreeCtrl commands for bindings.
* ext/tk/sample/tkextlib/blt/*: new sample scritps.
* ext/tk/sample/tkextlib/treectrl/*: ditto.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8195 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2005-03-26 13:58:11 +00:00

99 lines
2.2 KiB
Ruby

#
# tkextlib/blt/bitmap.rb
# by Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)
#
require 'tk'
require 'tkextlib/blt.rb'
module Tk::BLT
class Bitmap < TkObject
extend TkCore
TkCommandNames = ['::blt::bitmap'.freeze].freeze
BITMAP_ID_TBL = TkCore::INTERP.create_table
BITMAP_ID = ['blt_bitmap_id'.freeze, '00000'.taint].freeze
def self.data(name)
dat = tk_simple_list(tk_call('::blt::bitmap', 'data', name))
[ tk_split_list(dat[0]), tk_simple_list(dat[1]) ]
end
def self.exist?(name)
bool(tk_call('::blt::bitmap', 'exists', name))
end
def self.height(name)
number(tk_call('::blt::bitmap', 'height', name))
end
def self.width(name)
number(tk_call('::blt::bitmap', 'width', name))
end
def self.source(name)
tk_simple_list(tk_call('::blt::bitmap', 'source', name))
end
#################################
class << self
alias _new new
def new(data, keys={})
_new(:data, nil, data, keys)
end
alias define new
def new_with_name(name, data, keys={})
_new(:data, name, data, keys)
end
alias define_with_name new_with_name
def compose(text, keys={})
_new(:text, nil, text, keys)
end
def compose_with_name(name, text, keys={})
_new(:text, name, text, keys)
end
end
def initialize(type, name, data, keys = {})
if name
@id = name
else
@id = BITMAP_ID.join(TkCore::INTERP._ip_id_)
BITMAP_ID[1].succ!
BITMAP_ID_TBL[@id] = self
end
@path = @id
unless bool(tk_call('::blt::bitmap', 'exists', @id))
if type == :text
tk_call('::blt::bitmap', 'compose', @id, data, *hash_kv(keys))
else # :data
tk_call('::blt::bitmap', 'define', @id, data, *hash_kv(keys))
end
end
end
def exist?
bool(tk_call('::blt::bitmap', 'exists', @id))
end
def height
number(tk_call('::blt::bitmap', 'height', @id))
end
def width
number(tk_call('::blt::bitmap', 'width', @id))
end
def source
tk_simple_list(tk_call('::blt::bitmap', 'source', @id))
end
end
end