Flip options for sprues (#251) (#277)

* Flipping works, now just need new argument

* Finishing up

* New test data

lib/squib/graphics/cairo_context_wrapper.rb

@@ -20,11 +20,11 @@ module Squib
 
       def_delegators :cairo_cxt, :save, :set_source_color, :paint, :restore,
         :translate, :rotate, :move_to, :update_pango_layout, :width, :height,
-        :show_pango_layout, :rounded_rectangle, :set_line_width, :stroke, :fill,
+        :show_pango_layout, :rectangle, :rounded_rectangle, :set_line_width, :stroke, :fill,
         :set_source, :scale, :render_rsvg_handle, :circle, :triangle, :line_to,
         :operator=, :show_page, :clip, :transform, :mask, :create_pango_layout,
         :antialias=, :curve_to, :matrix, :matrix=, :identity_matrix, :pango_layout_path,
-        :stroke_preserve, :target, :new_path, :fill_preserve, :close_path,
+        :stroke_preserve, :target, :new_path, :new_sub_path, :reset_clip, :fill_preserve, :close_path,
         :set_line_join, :set_line_cap, :set_dash, :arc, :arc_negative
 
       # :nodoc:

lib/squib/graphics/save_sprue.rb

@@ -32,6 +32,7 @@ module Squib
             draw_card cc, card,
                       slot['x'], slot['y'],
                       slot['rotate'],
+                      slot['flip_vertical'], slot['flip_horizontal'], 
                       @sheet_args.trim, @sheet_args.trim_radius
 
             bar.increment
@@ -128,7 +129,7 @@ module Squib
              (@deck.height - 2.0 * @sheet_args.trim) > @tmpl.card_height
       end
 
-      def draw_card(cc, card, x, y, angle, trim, trim_radius)
+      def draw_card(cc, card, x, y, angle, flip_v, flip_h, trim, trim_radius)
         # Compute the true size of the card after trimming
         w = @deck.width - 2.0 * trim
         h = @deck.height - 2.0 * trim
@@ -142,6 +143,7 @@ module Squib
         mat = cc.matrix # Save the transformation matrix to revert later
         cc.translate x, y
         cc.translate @deck.width / 2.0, @deck.height / 2.0
+        cc.flip(flip_v, flip_h, 0, 0)
         cc.rotate angle
         cc.translate -@deck.width / 2.0, -@deck.height / 2.0
         cc.rounded_rectangle(trim, trim, w, h, trim_radius, trim_radius) # clip
@@ -164,7 +166,8 @@ module Squib
           @tmpl.sheet_height * ratio
         )
 
-        cc = Cairo::Context.new(surface)
+        cc = CairoContextWrapper.new(Cairo::Context.new(surface))
+        # cc = Cairo::Context.new(surface)
         cc.scale(72.0 / @deck.dpi, 72.0 / @deck.dpi) # make it like pixels
         cc
       end
@@ -185,7 +188,8 @@ module Squib
     class SaveSpruePNG < SaveSprue
       def init_cc
         surface = Cairo::ImageSurface.new @tmpl.sheet_width, @tmpl.sheet_height
-        Cairo::Context.new(surface)
+        CairoContextWrapper.new(Cairo::Context.new(surface))
+        # Cairo::Context.new(surface)
       end
 
       def draw_page(cc)

lib/squib/sprues/sprue.rb

@@ -175,6 +175,8 @@ module Squib
       new_card['y'] = y
       new_card['rotate'] = parse_rotate_param(
         card['rotate'] ? card['rotate'] : @template_hash['rotate'])
+      new_card['flip_vertical'] = card['flip_vertical'] == true
+      new_card['flip_horizontal'] = card['flip_horizontal'] == true
       new_card
     end
 
@@ -199,5 +201,6 @@ module Squib
         val.to_f
       end
     end
+
   end
 end

lib/squib/sprues/sprue_schema.rb

@@ -41,8 +41,10 @@ module Squib
           :optional, Numeric,
           ClassyHash::G.enum(:clockwise, :counterclockwise, :turnaround),
           ROTATE_REGEX
-        ]
-      }]]
+        ],
+        'flip_vertical' => [ :optional, FalseClass ],
+        'flip_horizontal' => [ :optional, FalseClass ],
+        }]]
     }.freeze
   end
 end