lib/profound.rb in profound-0.0.4 vs lib/profound.rb in profound-0.0.5

@@ -5,13 +5,11 @@
 require 'tempfile'
 
 require 'profound/version'
 require 'profound/filters/toy_camera'
 
-# convert original.jpg -size 460x -background transparent -fill black -pointsize 40 caption:'This is a multiline caption, This is a multiline caption, This is a multiline caption.'  -gravity center -composite result.jpg
 
-
 module Profound
   class Theme
     def initialize(theme)
       @theme = theme
     end
@@ -103,20 +101,20 @@
       end
     end
 
     def shadow
       image = _text(40)
-      shadow = image.shadow(0, 0, 30).colorize(1, 1, 1, 0, @theme.inverse_color)
+      shadow = image.shadow(0, 0, line_count(@caption) * 30).colorize(1, 1, 1, 0, @theme.inverse_color)
       @source = @source.composite(shadow, Magick::CenterGravity, 20, 0, Magick::OverCompositeOp)
     end
 
     def save
       @source.write(@destination)
     end
 
     def _text(stroke_width = 0)
-      image = Magick::Image.new(@source.columns, 100) {
+      image = Magick::Image.new(@source.columns, line_count(@caption) * 100) {
         self.background_color = 'none'
       }
       text = Magick::Draw.new
 
       color = @theme.color
@@ -133,8 +131,12 @@
 
       image
     rescue Magick::ImageMagickError => e
       puts "An error has occured. Try installing ghostscript"
       exit!
+    end
+
+    def line_count(caption)
+      caption.split("\\n").count
     end
   end
 end