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authorPreetham <me@preetham.in>2014-11-12 14:36:35 +0100
committerPreetham <me@preetham.in>2014-11-12 14:36:35 +0100
commit83aeef1d8602b04716b86790a023bb0211fa25ce (patch)
tree7129b39bb32bf94238c33638a82c57d61c1c44ad
parent692e7967d48c67f28f52da6051e4715a6d891b5a (diff)
Closing #656 and updating documentation
Signed-off-by: Preetham <me@preetham.in>
-rw-r--r--system/helpers/captcha_helper.php6
-rw-r--r--user_guide_src/source/helpers/captcha_helper.rst3
2 files changed, 6 insertions, 3 deletions
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php
index 8c2cfa43e..4398d3191 100644
--- a/system/helpers/captcha_helper.php
+++ b/system/helpers/captcha_helper.php
@@ -71,7 +71,7 @@ if ( ! function_exists('create_captcha'))
'font_path' => '',
'expiration' => 7200,
'word_length' => 8,
- 'font_size' =>16,
+ 'font_size' =>16,
'pool' => '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
'colors' => array(
'background' => array(255,255,255),
@@ -194,13 +194,13 @@ if ( ! function_exists('create_captcha'))
$use_font = ($font_path !== '' && file_exists($font_path) && function_exists('imagettftext'));
if ($use_font === FALSE)
{
- $font_size = $font_size>5?5:$font_size;
+ ($font_size >= 5) && $font_size = 5;;
$x = mt_rand(0, $img_width / ($length / 3));
$y = 0;
}
else
{
- $font_size = $font_size>30?30:$font_size;
+ ($font_size > 30) && $font_size = 30;
$x = mt_rand(0, $img_width / ($length / 1.5));
$y = $font_size + 2;
}
diff --git a/user_guide_src/source/helpers/captcha_helper.rst b/user_guide_src/source/helpers/captcha_helper.rst
index 1b74d08ad..556434a50 100644
--- a/user_guide_src/source/helpers/captcha_helper.rst
+++ b/user_guide_src/source/helpers/captcha_helper.rst
@@ -33,6 +33,7 @@ Once loaded you can generate a CAPTCHA like this::
'img_height' => 30,
'expiration' => 7200,
'word_length' => 8,
+ 'font_size' =>16,
'pool' => '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ',
// White background and border, black text and red grid
@@ -59,8 +60,10 @@ Once loaded you can generate a CAPTCHA like this::
in the captcha folder before it will be deleted. The default is two
hours.
- **word_length** defaults to 8, **pool** defaults to '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ'
+- **font_size** defaults to 16, the native GD font has a size limit. Specify a TRUE TYPE font for bigger sizes.
- If any of the **colors** values is missing, it will be replaced by the default.
+
Adding a Database
-----------------