Add text rotation

lib/squib/api/text.rb

@@ -39,13 +39,13 @@ module Squib
     # @api public
     def text(opts = {})
       opts = needs(opts, [:range, :str, :font, :font_size, :x, :y, :width, :height, :color, :wrap,
-                          :align, :justify, :spacing, :valign, :markup, :ellipsize, :hint, :layout])
+                          :align, :justify, :spacing, :valign, :markup, :ellipsize, :hint, :layout, :rotation])
       opts[:range].each do |i|
         @cards[i].text(opts[:str][i], opts[:font][i], opts[:font_size][i], opts[:color][i],
                        opts[:x][i], opts[:y][i], opts[:width][i], opts[:height][i],
                        opts[:markup][i], opts[:justify][i], opts[:wrap][i], 
                        opts[:ellipsize][i], opts[:spacing][i], opts[:align][i], 
-                       opts[:valign][i], opts[:hint][i])
+                       opts[:valign][i], opts[:hint][i], opts[:rotation][i])
       end
     end
 

lib/squib/constants.rb

@@ -26,6 +26,7 @@ module Squib
       :progress_bar => false,
       :range => :all,
       :rotate => false,
+      :rotation => 0,
       :sheet => 0,
       :spacing => 0,
       :str => '',
@@ -85,6 +86,7 @@ module Squib
           :layout => :layout,
           :markup => :markup,
           :rect_radius => :radius,
+          :rotation => :rotation,
           :spacing => :spacing,
           :str => :str,
           :stroke_color => :stroke_color,

lib/squib/graphics/text.rb

@@ -88,11 +88,12 @@ module Squib
     def text(str, font, font_size, color, 
              x, y, width, height,
              markup, justify, wrap, ellipsize, 
-             spacing, align, valign, hint)
+             spacing, align, valign, hint, rotation)
       Squib.logger.debug {"Placing '#{str}'' with font '#{font}' @ #{x}, #{y}, color: #{color}, etc."}
       use_cairo do |cc|
         cc.set_source_color(color)
         cc.move_to(x,y)
+        cc.rotate(rotation)
         layout = cc.create_pango_layout
         font_desc = Pango::FontDescription.new(font)
         font_desc.size = font_size * Pango::SCALE unless font_size.nil?