Getting text to work

lib/squib/graphics/save_doc.rb

@@ -4,6 +4,7 @@ module Squib
     def save_pdf
       #paper is 8.5x11
       # PDF points are 1/72 of an inch
+      raise "Not implemented yet!"
       width = 8.5 * 72
       height = 11 * 72
       cc = Cairo::Context.new(Cairo::PDFSurface.new('_img/deck.pdf', width, height))

lib/squib/graphics/text.rb

@@ -1,13 +1,27 @@
+require 'pango'
+
 module Squib
   class Card
-    
+
     def text(str, font, x, y, options)
       cc = cairo_context
-      cc.set_source_rgb(0.0,0.0,0.0)
-      cc.select_font_face ("Helvetica");
-      cc.set_font_size(36)
-      cc.move_to(x,y + cc.text_extents(@str.to_s).height)
-      cc.show_text(str.to_s)
+      cc.set_source_color(:black) #black
+      cc.move_to(x,y)
+      layout = cc.create_pango_layout
+      layout.text = str.to_s
+      w = options[:width] ; h = options[:height] 
+      w ||= (@width - 2*x)  ; h ||= (@height - 2*y) # default centers to x,y 
+      w *= Pango::SCALE   ; h *= Pango::SCALE    
+      layout.width=w      ; layout.height=h
+      layout.wrap = Pango::WRAP_WORD
+      layout.justify = true
+      layout.alignment = Pango::ALIGN_LEFT
+      layout.font_description = Pango::FontDescription.new(font)
+      #Center it vertically?
+      #puts "Height: #{layout.extents[1].height / Pango::SCALE}"
+      #puts "Height: #{layout.pixel_size[1]*layout.line_count}"
+      cc.update_pango_layout(layout)
+      cc.show_pango_layout(layout)
     end
 
   end