Sha256: 5aba2de7df1e92d3bd2aba519a15da5717154bcce9827bcb2f4c14bf031d422c
Contents?: true
Size: 914 Bytes
Versions: 7
Compression:
Stored size: 914 Bytes
Contents
# -*- coding: utf-8 -*-
require 'reflex/image'
require 'reflex/bitmap'
require 'reflex/view'
module Reflex
class TextView < View
has_model
attr_accessor :font
def initialize (*args, &block)
@outdated = false
super
end
def content_size ()
s = string
return 0, 0 unless s && window
font = @font || window.painter.font
[font.width(s), font.height].map &:ceil
end
def on_draw (e)
@image = create_text_image if @outdated
return unless @image
pa = e.painter
pa.color 1
pa.image @image
end
def on_data_update (e)
@outdated = true
super
end
private
def create_text_image ()
str, size = string, content_size
return nil unless str && size.all? {|n| n > 0}
Image.new Bitmap.new(*size, :GRAY).draw_string(str), true
end
end# TextView
end# Reflex
Version data entries
7 entries across 7 versions & 1 rubygems