diff options
| -rw-r--r-- | system/helpers/captcha_helper.php | 5 | ||||
| -rw-r--r-- | user_guide_src/source/changelog.rst | 1 | ||||
| -rw-r--r-- | user_guide_src/source/helpers/captcha_helper.rst | 2 |
3 files changed, 6 insertions, 2 deletions
diff --git a/system/helpers/captcha_helper.php b/system/helpers/captcha_helper.php index 5d023b28c..2ffa86d97 100644 --- a/system/helpers/captcha_helper.php +++ b/system/helpers/captcha_helper.php @@ -71,6 +71,7 @@ if ( ! function_exists('create_captcha')) 'font_path' => '', 'expiration' => 7200, 'word_length' => 8, + 'font_size' => 16, 'pool' => '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ', 'colors' => array( 'background' => array(255,255,255), @@ -193,13 +194,13 @@ if ( ! function_exists('create_captcha')) $use_font = ($font_path !== '' && file_exists($font_path) && function_exists('imagettftext')); if ($use_font === FALSE) { - $font_size = 5; + ($font_size > 5) && $font_size = 5; $x = mt_rand(0, $img_width / ($length / 3)); $y = 0; } else { - $font_size = 16; + ($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/changelog.rst b/user_guide_src/source/changelog.rst index 25f6f2cea..242881c99 100644 --- a/user_guide_src/source/changelog.rst +++ b/user_guide_src/source/changelog.rst @@ -133,6 +133,7 @@ Release Date: Not Released - Added *colors* configuration to allow customization for the *background*, *border*, *text* and *grid* colors. - Added *filename* to the returned array elements. - Updated to use `imagepng()` in case that `imagejpeg()` isn't available. + - Added **font_size** option to allow customization of font size. - :doc:`Text Helper <helpers/text_helper>` changes include: diff --git a/user_guide_src/source/helpers/captcha_helper.rst b/user_guide_src/source/helpers/captcha_helper.rst index 1b74d08ad..3cf51330b 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 @@ -59,6 +60,7 @@ 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 |