guillaume/really_simple_captcha
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Add width and height config for PlainCaptcha

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Guillaume DOTT 2013-01-11 14:58:37 +01:00
parent caaf1b0fd8
commit 7b4946ba14
2 changed files with 9 additions and 1 deletions
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2
README.md
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@ -53,6 +53,8 @@ ReallySimpleCaptcha::Captcha::PlainCaptcha.configure do |config|
# font size # font size
config.pointsize = 22 config.pointsize = 22
# image modification options # image modification options
config.width = 120
config.height = 40
config.implode_amount = 0.2 config.implode_amount = 0.2
config.wave_amplitude = 4.0 config.wave_amplitude = 4.0
config.wave_length = 60.0 config.wave_length = 60.0

8
lib/really_simple_captcha/captcha/plain_captcha.rb
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@ -6,6 +6,9 @@ module ReallySimpleCaptcha::Captcha
include ActiveSupport::Configurable include ActiveSupport::Configurable
config_accessor :field_name config_accessor :field_name
config_accessor :width
config_accessor :height
config_accessor :implode_amount config_accessor :implode_amount
config_accessor :wave_amplitude config_accessor :wave_amplitude
config_accessor :wave_length config_accessor :wave_length
@ -53,6 +56,9 @@ module ReallySimpleCaptcha::Captcha
end end
def self.generate_image(captcha_text, args={}) def self.generate_image(captcha_text, args={})
width = args[:width] || 120
height = args[:height] || 40
wave_amplitude = args[:wave_amplitude] || 4.0 wave_amplitude = args[:wave_amplitude] || 4.0
wave_length = args[:wave_length] || 60.0 wave_length = args[:wave_length] || 60.0
implode_amount = args[:implode_amount] || 0.2 implode_amount = args[:implode_amount] || 0.2
@ -62,7 +68,7 @@ module ReallySimpleCaptcha::Captcha
background_color = args[:background_color] || 'white' 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 self.background_color = background_color
end end