Class: TextLayout

Inherits:
Object
  • Object
show all
Defined in:
lib/Print/PrintItem/TextLayout.rb

Overview

this file is part of manqod manqod is distributed under the CDDL licence the author of manqod is Dobai-Pataky Balint([email protected])

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cr, txt, font, width, x, y, alignment = 'left') ⇒ TextLayout

Returns a new instance of TextLayout.



6
7
8
9
10
11
12
13
14
15
16
17
18
19
 
# File 'lib/Print/PrintItem/TextLayout.rb', line 6

def initialize(cr,txt,font,width,x,y,alignment='left')
	@cr=cr
	@font=font
	@layout=cr.create_pango_layout
	@txt=txt
	@layout.set_text(txt)
	@x=x
	@y=y
	@width=width
	@alignment=alignment
	@layout.set_font_description(Pango::FontDescription.new(@font)).set_width(@width*Pango::SCALE)
	@layout.set_wrap(Pango::Layout::WRAP_WORD_CHAR).set_ellipsize(Pango::Layout::ELLIPSIZE_NONE)#.set_single_paragraph_mode(true)
	set_alignment
end

Instance Attribute Details

#layout ⇒ Object (readonly)

Returns the value of attribute layout.



20
21
22
 
# File 'lib/Print/PrintItem/TextLayout.rb', line 20

def layout
  @layout
end

Instance Method Details

#draw(cr) ⇒ Object 



41
42
43
44
45
 
# File 'lib/Print/PrintItem/TextLayout.rb', line 41

def draw(cr)
	cr.move_to(@x,@y)
	cr.show_pango_layout(@layout)
	cr.stroke
end

#height ⇒ Object 



36
37
38
39
 
# File 'lib/Print/PrintItem/TextLayout.rb', line 36

def height
	w,h=@layout.size
	h/Pango::SCALE
end

#set_alignment(alignment = @alignment) ⇒ Object 



28
29
30
31
32
33
34
35
 
# File 'lib/Print/PrintItem/TextLayout.rb', line 28

def set_alignment(alignment=@alignment)
	@alignment=alignment
	case @alignment
		when 'left' then @layout.set_alignment(Pango::Layout::ALIGN_LEFT)
		when 'right' then @layout.set_alignment(Pango::Layout::ALIGN_RIGHT)
		when 'center' then @layout.set_alignment(Pango::Layout::ALIGN_CENTER)
	end
end

#set_x(newx = x) ⇒ Object 



22
23
24
 
# File 'lib/Print/PrintItem/TextLayout.rb', line 22

def set_x(newx=x)
	@x=newx
end

#set_y(newy = y) ⇒ Object 



25
26
27
 
# File 'lib/Print/PrintItem/TextLayout.rb', line 25

def set_y(newy=y)
	@y=newy
end