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#
# 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
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