Better handling of empty files

2014-07-29 23:50:56 -04:00
parent a71fd8f81a
commit 5c6149ad5a
3 changed files with 9 additions and 7 deletions
@@ -4,6 +4,7 @@ module Squib
    # :nodoc:
    # @api private 
    def png(file, x, y, alpha)
+      return if file.nil? or file.eql? ''
      cc = cairo_context
      png = Cairo::ImageSurface.from_png(file)
      cc.set_source(png, x, y)
@@ -13,6 +14,7 @@ module Squib
    # :nodoc:
    # @api private 
    def svg(file, id, x, y, width, height)
+      return if file.nil? or file.eql? ''
      svg = RSVG::Handle.new_from_file(file)
      width = svg.width if width == :native
      height = svg.height if height == :native