diff options
Diffstat (limited to 'user_guide_src/source/libraries/image_lib.rst')
| -rw-r--r-- | user_guide_src/source/libraries/image_lib.rst | 34 |
1 files changed, 20 insertions, 14 deletions
diff --git a/user_guide_src/source/libraries/image_lib.rst b/user_guide_src/source/libraries/image_lib.rst index cf23e397a..16acf090b 100644 --- a/user_guide_src/source/libraries/image_lib.rst +++ b/user_guide_src/source/libraries/image_lib.rst @@ -318,14 +318,16 @@ Class Reference .. method:: initialize([$props = array()]) - :param array $props: Image processing preferences - :returns: void + :param array $props: Image processing preferences + :returns: TRUE on success, FALSE in case of invalid settings + :rtype: bool Initializes the class for processing an image. .. method:: resize() - :returns: bool + :returns: TRUE on success, FALSE on failure + :rtype: bool The image resizing method lets you resize the original image, create a copy (with or without resizing), or create a thumbnail image. @@ -371,14 +373,15 @@ Class Reference .. method:: crop() - :returns: bool + :returns: TRUE on success, FALSE on failure + :rtype: bool The cropping method works nearly identically to the resizing function except it requires that you set preferences for the X and Y axis (in pixels) specifying where to crop, like this:: - $config['x_axis'] = '100'; - $config['y_axis'] = '40'; + $config['x_axis'] = 100; + $config['y_axis'] = 40; All preferences listed in the :ref:`processing-preferences` table are available for this method except these: *rotation_angle*, *create_thumb* and *new_image*. @@ -388,8 +391,8 @@ Class Reference $config['image_library'] = 'imagemagick'; $config['library_path'] = '/usr/X11R6/bin/'; $config['source_image'] = '/path/to/image/mypic.jpg'; - $config['x_axis'] = '100'; - $config['y_axis'] = '60'; + $config['x_axis'] = 100; + $config['y_axis'] = 60; $this->image_lib->initialize($config); @@ -406,7 +409,8 @@ Class Reference .. method:: rotate() - :returns: bool + :returns: TRUE on success, FALSE on failure + :rtype: bool The image rotation method requires that the angle of rotation be set via its preference:: @@ -437,14 +441,15 @@ Class Reference .. method:: watermark() - :returns: bool + :returns: TRUE on success, FALSE on failure + :rtype: bool Creates a watermark over an image, please refer to the :ref:`watermarking` section for more info. .. method:: clear() - :returns: void + :rtype: void The clear method resets all of the values used when processing an image. You will want to call this if you are processing images in a @@ -456,9 +461,10 @@ Class Reference .. method:: display_errors([$open = '<p>[, $close = '</p>']]) - :param string $open: Error message opening tag - :param string $close: Error message closing tag - :returns: string + :param string $open: Error message opening tag + :param string $close: Error message closing tag + :returns: Error messages + :rtype: string Returns all detected errors formatted as a string. :: |