sheet.rb in squib-0.14.beta1

- old
+ new

@@ -38,10 +38,12 @@
           rows: :infinite,
           columns: 5,
           trim_radius: 38,
           trim: 0,
           width: 3300,
+          range: :all,
+          rtl: false,
         }
       end
 
       def self.expanding_parameters
         [] # none of them
@@ -77,12 +79,17 @@
         arg.to_i
       end
 
       def validate_rows(arg)
         raise 'columns must be an integer' unless columns.respond_to? :to_i
-        return 1 if @deck_size < columns
+        count = if range == :all
+                  @deck_size
+                else
+                  count = range.to_a.length
+                end
+        return 1 if count <= columns
         return arg if arg.respond_to? :to_i
-        (@deck_size.to_i / columns.to_i).ceil
+        (count.to_f / columns.to_f).ceil
       end
 
       def full_filename
         "#{dir}/#{file}"
       end