Fix extra page for PDF sprues

Fixes #246

CHANGELOG.md

@@ -7,6 +7,7 @@ Squib follows [semantic versioning](http://semver.org).
 
 Bugs:
 * Fixed bug on circle and other shapes that had an extra stroke from a previous text call (#248)
+* Fixed extra page on all sprue saves (#246)
 
 Chores:
 * Bumped deps: Pango et al. to 3.2.7, Cairo to 1.15.13.

lib/squib/graphics/save_sprue.rb

@@ -38,7 +38,6 @@ module Squib
           end
 
           draw_overlay_above_cards cc
-          cc = draw_page cc
           cc.target.finish
         end
       end
@@ -61,7 +60,7 @@ module Squib
       private
 
       def next_page_if_needed(cc, i, per_sheet)
-        return cc unless (i != 0) && (i % per_sheet).zero?
+        return cc unless (i != 0) && (i % per_sheet) == 0
 
         draw_overlay_above_cards cc
         cc = draw_page cc

samples/sprues/_hex_tiles.rb

@@ -7,7 +7,7 @@ Squib::Deck.new(width: '65.8mm', height: '76mm', cards: 9) do
   )
   text(
     str: %w[One Two Three Four Five Six Seven Eight Nine],
-    x: '27mm', y: '35mm', width: '11.8mm', height: '6mm',
+    x: '22mm', y: '35mm', width: '21.8mm', height: '6mm',
     align: :center, valign: :middle
   )
   save_pdf file: 'hex_tiles.pdf',