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require "rghost/ps_object"
require "rghost/units"
require "rghost/font"
require "rghost/ruby_to_ps"
require "rghost/parse_text"
# TextArea wraps the text so as the it fits in a box of a given width. Wrapping happens at whitespace characters without hyphenation.
# Additionally you can make use of predefined tag and the special tag <br/> to break row.
# The alignment can be left, right and centered.
#
# PS: It not jumps pages.
class RGhost::TextArea < RGhost::PsObject
include RGhost::RubyToPs
include RGhost::ParseText
DEFAULT_OPTIONS = {
width: :area_x,
row_height: :row_height,
x: :limit_left,
y: :current_row,
text_align: :left
}
#===Options
# * <tt>:x and :y</tt> - Initial position.
# * <tt>:row_height</tt> - Row height :)
# * <tt>:with</tt> - Max wide of the text
# * <tt>:text_align</tt> - Align of the text in the virtual box using :left, :right and :center.
#===Examples
# doc=RGhost::Document.new
# my_text="<font1>foo, bar, baz</font1><font2>qux, quux</font2>, corge, grault, garply, waldo, <font3>fred, plugh,</font3> xyzzy,<br/> thud, bing"
# doc.text_area my_text
#
# link:images/text_area01.png
#
# doc.text_area my_text, :width =>3
#
# link:images/text_area02.png
#
# doc.text_area my_text, :width =>3, :text_align => :center
#
# link:images/text_area03.png
#
# doc.text_area my_text, :width =>3, :text_align => :right
#
# link:images/text_area04.png
#
# doc.text_area my_text, :width =>3, :text_align => :right, :x => 3
#
# link:images/text_area05.png
#
# doc.text_area my_text, :width =>3, :text_align => :right, :x => 3, :row_height => 0.6
#
# link:images/text_area06.png
def initialize(text, options = {}, tag_parse = true)
super("")
@text = text
@tag_parse = tag_parse
options ||= {}
@options = DEFAULT_OPTIONS.dup.merge(options)
end
def ps
bw = RGhost::Units.parse(@options[:width])
ta = @options[:text_align]
rh = RGhost::Units.parse(@options[:row_height])
graph = RGhost::Graphic.new do
set RGhost::Variable.new(":bw", bw)
set RGhost::Variable.new("text_align", "/#{ta}")
# set Variable.new(':rp',rp)
set RGhost::Variable.new(":rh", rh)
end
graph.set RGhost::Cursor.translate(@options)
graph.set RGhost::Cursor.moveto(x: 0, y: 0)
# graph.raw ":text_area #{text_to_ps} :text_proc"
graph.raw text_to_ps
graph
# final_text=text_to_ps
end
end
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