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<?php
// $Id: imagecache_actions.inc,v 1.14 2008/05/30 16:25:06 dopry Exp $
/**
* Imagecache Scale
*/
function imagecache_scale_form($data) {
$form = imagecache_resize_form($data);
$form['upscale'] = array(
'#type' => 'checkbox',
'#default_value' => (isset($data['upscale'])) ? $data['upscale'] : 0,
'#title' => t('Allow Upscaling'),
'#description' => t('Let scale make images larger than their original size'),
);
return $form;
}
function theme_imagecache_scale($element) {
$output = theme_imagecache_resize($element) . ', upscale: ';
$output .= ($element['#value']['upscale']) ? t('Yes') : t('No');
return $output;
}
function imagecache_scale_image(&$image, $data) {
// Set impossibly large values if the width and height aren't set.
$data['width'] = $data['width'] ? $data['width'] : 9999999;
$data['height'] = $data['height'] ? $data['height'] : 9999999;
if (!imageapi_image_scale($image, $data['width'], $data['height'], $data['upscale'])) {
watchdog('imagecache', t('imagecache_scale_image failed. image: %image, data: %data.', array('%path' => $image, '%data' => print_r($data, true))), WATCHDOG_ERROR);
return false;
}
return true;
}
/**
* Imagecache Scale and Crop
*/
function imagecache_scale_and_crop_form($data) {
return imagecache_resize_form($data);
}
function theme_imagecache_scale_and_crop($element) {
return theme_imagecache_resize($element);
}
function imagecache_scale_and_crop_image(&$image, $data) {
if (!imageapi_image_scale_and_crop($image, $data['width'], $data['height'])) {
watchdog('imagecache', t('imagecache_scale_and_crop failed. image: %image, data: %data.', array('%path' => $image, '%data' => print_r($data, true))), WATCHDOG_ERROR);
return false;
}
return true;
}
/**
* Imagecache Deprecated Scale.
* This will be removed in imagecache 2.1
*/
function imagecache_deprecated_scale_form($data) {
$helptext = array();
$helptext['inside'] = t('<strong>Inside dimensions</strong>: Final dimensions will be less than or equal to the entered width and height. Useful for ensuring a maximum height and/or width.');
$helptext['outside'] = t('<strong>Outside dimensions</strong>: Final dimensions will be greater than or equal to the entered width and height. Ideal for cropping the result to a square.');
$description = '<ul><li>'. implode('</li><li>', $helptext) .'</li><ul>';
$form['fit'] = array(
'#type' => 'select',
'#title' => t('Scale to fit'),
'#options' => array('inside' => t('Inside dimensions'), 'outside' => t('Outside dimensions')),
'#default_value' => $data['fit'],
'#weight' => 1,
'#description' => $description,
);
$form['width'] = array(
'#type' => 'textfield',
'#title' => t('Width'),
'#default_value' => $data['width'],
'#description' => t('Enter a width in pixels or as a percentage. i.e. 500 or 80%.'),
);
$form['height'] = array(
'#type' => 'textfield',
'#title' => t('Height'),
'#default_value' => $data['height'],
'#description' => t('Enter a height in pixels or as a percentage. i.e. 500 or 80%.'),
);
return $form;
}
function theme_imagecache_deprecated_scale($element) {
$data = $element['#value'];
$options = array('inside' => t('Inside dimensions'), 'outside' => t('Outside dimensions'));
return 'width: '. $data['width'] .', height: '. $data['height'] .', fit: '. $options[$data['fit']];
}
function imagecache_deprecated_scale_image(&$image, $data) {
if ($data['fit'] == 'outside' && $data['width'] && $data['height']) {
$ratio = $image->info['width'] / $image->info['height'];
$new_ratio = $data['width']/$data['height'];
$data['width'] = $ratio > $new_ratio ? 0 : $data['width'];
$data['height'] = $ratio < $new_ratio ? 0 : $data['height'];
}
// Set impossibly large values if the width and height aren't set.
$data['width'] = $data['width'] ? $data['width'] : 9999999;
$data['height'] = $data['height'] ? $data['height'] : 9999999;
if (!imageapi_image_scale($image, $data['width'], $data['height'])) {
watchdog('imagecache', t('imagecache_deprecated_scale failed. image: %image, data: %data.', array('%path' => $image, '%data' => print_r($data, true))), WATCHDOG_ERROR);
return false;
}
return true;
}
/**
* Imagecache Crop
*/
function imagecache_crop_form($data) {
$data += array(
'width' => '',
'height' => '',
'xoffset' => '',
'yoffset' => '',
);
$form['width'] = array(
'#type' => 'textfield',
'#title' => t('Width'),
'#default_value' => $data['width'],
'#description' => t('Enter a width in pixels or as a percentage. i.e. 500 or 80%.'),
);
$form['height'] = array(
'#type' => 'textfield',
'#title' => t('Height'),
'#default_value' => $data['height'],
'#description' => t('Enter a height in pixels or as a percentage. i.e. 500 or 80%.'),
);
$form['xoffset'] = array(
'#type' => 'textfield',
'#title' => t('X offset'),
'#default_value' => $data['xoffset'],
'#description' => t('Enter an offset in pixels or use a keyword: <em>left</em>, <em>center</em>, or <em>right</em>.'),
);
$form['yoffset'] = array(
'#type' => 'textfield',
'#title' => t('Y offset'),
'#default_value' => $data['yoffset'],
'#description' => t('Enter an offset in pixels or use a keyword: <em>top</em>, <em>center</em>, or <em>bottom</em>.'),
);
return $form;
}
function theme_imagecache_crop($element) {
$data = $element['#value'];
return 'width: '. $data['width'] .', height: '. $data['height'] .', xoffset: '. $data['xoffset'] .', yoffset: '. $data['yoffset'];
}
function imagecache_crop_image(&$image, $data) {
if (!imageapi_image_crop($image, $data['xoffset'], $data['yoffset'], $data['width'], $data['height'])) {
watchdog('imagecache', t('imagecache_crop failed. image: %image, data: %data.', array('%path' => $image, '%data' => print_r($data, true))), WATCHDOG_ERROR);
return false;
}
return true;
}
/**
* Imagecache Desaturate
*/
function imagecache_desaturate_form($data) {
return array();
}
function theme_imagecache_desaturate($element) {
return '';
}
function imagecache_desaturate_image(&$image, $data = array()) {
if (!imageapi_image_desaturate($image)) {
watchdog('imagecache', t('imagecache_desaturate failed. image: %image, data: %data.', array('%path' => $image, '%data' => print_r($data, true))), WATCHDOG_ERROR);
return false;
}
return true;
}
/**
* Imagecache Rotate
*/
function imagecache_rotate_form($data) {
$form['degrees'] = array(
'#type' => 'textfield',
'#default_value' => (isset($data['degrees'])) ? $data['degrees'] : 0,
'#title' => t('Rotation angle'),
'#description' => t('The number of degrees the image should be rotated. Positive numbers are clockwise, negative are counter-clockwise.'),
);
$form['random'] = array(
'#type' => 'checkbox',
'#default_value' => (isset($data['random'])) ? $data['random'] : 0,
'#title' => t('Randomize'),
'#description' => t('Randomize the rotation angle for each image. The angle specified above is used as a maximum.'),
);
$form['bgcolor'] = array(
'#type' => 'textfield',
'#default_value' => (isset($data['bgcolor'])) ? $data['bgcolor'] : '#FFFFFF',
'#title' => t('Background color'),
'#description' => t('The background color to use for exposed areas of the image. Use web-style hex colors (#FFFFFF for white, #000000 for black).'),
);
return $form;
}
function theme_imagecache_rotate($element) {
$output = t('degrees: ') . $element['#value']['degrees'] .', ';
$output .= t('randomize: ') . (($element['#value']['random']) ? t('Yes') : t('No')) .', ';
$output .= t('background: ') . $element['#value']['bgcolor'];
return $output;
}
function imagecache_rotate_image(&$image, $data) {
// Set sane default values.
$data['degrees'] = $data['degrees'] ? $data['degrees'] : 0;
$data['random'] = $data['random'] ? $data['random'] : false;
$data['bgcolor'] = $data['bgcolor'] ? $data['bgcolor'] : '#FFFFFF';
// Manipulate the if we need to randomize, and convert to proper colors.
$data['bgcolor'] = '0x'. str_replace('#', '', $data['bgcolor']);
if (!empty($data['random'])) {
$degrees = abs((float)$data['degrees']);
$data['degrees'] = rand(-1 * $degrees, $degrees);
}
if (!imageapi_image_rotate($image, $data['degrees'], $data['bgcolor'])) {
watchdog('imagecache', t('imagecache_rotate_image failed. image: %image, data: %data.', array('%path' => $image, '%data' => print_r($data, true))), WATCHDOG_ERROR);
return false;
}
return true;
}
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