From 7b4946ba1407bb94b020a28c5cb74e9cf11de475 Mon Sep 17 00:00:00 2001
From: Guillaume DOTT <guillaume.dott@lafourmi-immo.com>
Date: Fri, 11 Jan 2013 14:58:37 +0100
Subject: [PATCH] Add width and height config for PlainCaptcha

---
 README.md                                          | 2 ++
 lib/really_simple_captcha/captcha/plain_captcha.rb | 8 +++++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index 418b628..6b24dc3 100644
--- a/README.md
+++ b/README.md
@@ -53,6 +53,8 @@ ReallySimpleCaptcha::Captcha::PlainCaptcha.configure do |config|
   # font size
   config.pointsize = 22
   # image modification options
+  config.width = 120
+  config.height = 40
   config.implode_amount = 0.2
   config.wave_amplitude = 4.0
   config.wave_length = 60.0
diff --git a/lib/really_simple_captcha/captcha/plain_captcha.rb b/lib/really_simple_captcha/captcha/plain_captcha.rb
index 4dcae78..1bb6ebf 100644
--- a/lib/really_simple_captcha/captcha/plain_captcha.rb
+++ b/lib/really_simple_captcha/captcha/plain_captcha.rb
@@ -6,6 +6,9 @@ module ReallySimpleCaptcha::Captcha
     include ActiveSupport::Configurable
     config_accessor :field_name
 
+    config_accessor :width
+    config_accessor :height
+
     config_accessor :implode_amount
     config_accessor :wave_amplitude
     config_accessor :wave_length
@@ -53,6 +56,9 @@ module ReallySimpleCaptcha::Captcha
     end
 
     def self.generate_image(captcha_text, args={})
+      width = args[:width] || 120
+      height = args[:height] || 40
+
       wave_amplitude = args[:wave_amplitude] || 4.0
       wave_length = args[:wave_length] || 60.0
       implode_amount = args[:implode_amount] || 0.2
@@ -62,7 +68,7 @@ module ReallySimpleCaptcha::Captcha
 
       background_color = args[:background_color] || 'white'
 
-      image = ::Magick::Image.new(120, 40) do
+      image = ::Magick::Image.new(width, height) do
         self.background_color = background_color
       end