Sha256: 8852d2dd5f8c7d5a5b278223b3e28ea87dcb782611d15dd5118c6993e12db128
Contents?: true
Size: 762 Bytes
Versions: 9
Compression:
Stored size: 762 Bytes
Contents
class Wx::Bitmap
# Redefine the initialize method so it raises an exception if a
# non-existent file is given to the constructor; otherwise, wx Widgets
# just carries on with an empty bitmap, which may cause faults later
wx_init = self.instance_method(:initialize)
define_method(:initialize) do | *args |
if args[0].kind_of? String
if not File.exist?( File.expand_path(args[0]) )
Kernel.raise(ArgumentError, "Bitmap file does not exist: #{args[0]}")
end
end
wx_init.bind(self).call(*args)
end
# Accepts a block, which will be passed a device context which can be
# used to draw upon the Bitmap
def draw
dc = MemoryDC.new
dc.select_object(self)
yield dc
dc.select_object( NULL_BITMAP )
end
end
Version data entries
9 entries across 9 versions & 1 rubygems