lib/simple_captcha/image.rb in glebtv-simple_captcha-0.3.1 vs lib/simple_captcha/image.rb in glebtv-simple_captcha-0.4.1

@@ -70,17 +70,19 @@
           params = ImageHelpers.image_params_from_color(SimpleCaptcha.image_color).dup
         end
 
         params << "-size #{SimpleCaptcha.image_size} xc:transparent"
         params << "-gravity \"Center\""
+        psz = SimpleCaptcha.pointsize
         if params.join(' ').index('-pointsize').nil?
-          params << "-pointsize #{SimpleCaptcha.pointsize}"
+          params << "-pointsize #{psz}"
         end
+
         dst = Tempfile.new(RUBY_VERSION < '1.9' ? 'simple_captcha.png' : ['simple_captcha', '.png'], SimpleCaptcha.tmp_path)
         dst.binmode
         text.split(//).each_with_index do |letter, index|
-          i = -60 + (index*25) + rand(-6..6)
-          params << "-draw \"translate #{i},#{rand(-6..6)} skewX #{rand(-15..15)} gravity center text 0,0 '#{letter}'\" "
+          i = -(1.5  * psz) + (index * 0.75 * psz) + rand(-3..3)
+          params << "-draw \"translate #{i},#{rand(-3..3)} skewX #{rand(-15..15)} gravity center text 0,0 '#{letter}'\" "
         end
 
         params << "-wave #{amplitude}x#{frequency}"
 
         (1..10).each do |i|