'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) {
return theme_imagecache_resize($element);
}
function imagecache_scale_image($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'] ? $data['height'] : 9999999;
if (!$image = 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 $image;
}
/**
* Imagecache Scale and Crop
*/
function imagecache_scale_and_crop_form($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) {
// Set impossibly large values if the width and height aren't set.
$data['width'] = $data['width'] ? $data['width'] : 9999999;
$data['height'] = $data['height'] ? $data['height'] : 9999999;
if (!$image = 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 $image;
}
/**
* Imagecache Deprecated Scale.
* This will be removed in imagecache 2.1
*/
function imagecache_deprected_scale_form($data) {
$helptext = array();
$helptext['inside'] = t('Inside dimensions: 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('Outside dimensions: Final dimensions will be greater than or equal to the entered width and height. Ideal for cropping the result to a square.');
$description = '- '. implode('
- ', $helptext) .'
';
$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) {
$size = getimagesize($image);
if ($data['fit'] == 'outside' && $data['width'] && $data['height']) {
$ratio = $size[0]/$size[1];
$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'] ? $data['height'] : 9999999;
if (!$image = 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 $image;
}
/**
* Imagecache Crop
*/
function imagecache_crop_form($data) {
$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: left, center, or right.'),
);
$form['yoffset'] = array(
'#type' => 'textfield',
'#title' => t('Y offset'),
'#default_value' => $data['yoffset'],
'#description' => t('Enter an offset in pixels or use a keyword: top, center, or bottom.'),
);
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, $data) {
if (!$image = 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 $image;
}
/**
* Imagecache Desaturate
*/
function imagecache_desaturate_form($data) {
return array();
}
function theme_imagecache_desaturate($element) {
return '';
}
function imagecache_desaturate_image($image, $data = array()) {
if (!$image = 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 $image;
}
if (!function_exists('image_gd_desaturate')) {
function image_gd_desaturate($source, $destination) {
$info = image_get_info($source);
if (!$info) {
return FALSE;
}
$width = $info['width'];
$height = $info['height'];
$im = image_gd_open($source, $info['extension']);
if (function_exists('imagefilter')) { // PHP 5
if (!imagefilter($im, IMG_FILTER_GRAYSCALE)) {
return FALSE;
}
$result = image_gd_close($im, $destination, $info['extension']);
imageDestroy($im);
} else { // PHP < 5
$res = imageCreateTrueColor($width, $height);
for ($y = 0; $y < $height; ++$y)
for ($x = 0; $x < $width; ++$x) {
$rgb = imagecolorat($im, $x, $y);
if (imageistruecolor($im)) {
$red = ($rgb >> 16) & 0xFF;
$green = ($rgb >> 8) & 0xFF;
$blue = $rgb & 0xFF;
} else {
$rgb = imagecolorsforindex($im, $rgb);
$red = $rgb['red'];
$green = $rgb['green'];
$blue = $rgb['blue'];
}
$gray = round(.299*$red + .587*$green + .114*$blue);
// shift gray level to the left
$grayR = $gray << 16; // R: red
$grayG = $gray << 8; // G: green
$grayB = $gray; // B: blue
$grayColor = $grayR | $grayG | $grayB;
// set the pixel color
imagesetpixel($res, $x, $y, $grayColor);
imagecolorallocate($res, $gray, $gray, $gray);
}
$result = image_gd_close($res, $destination, $info['extension']);
imageDestroy($res);
imageDestroy($im);
}
return $result;
}
}
if (!function_exists('image_scale_and_crop')) {
/**
* Scales an image to the given width and height by scaling and cropping.
*
* The resulting image always has the exact target dimensions.
*
* @param $source The file path of the source image
* @param $destination The file path of the destination image
* @param $width The target width
* @param $height The target height
*
* @return True or FALSE, based on success
*/
function image_scale_and_crop($source, $destination, $width, $height) {
$info = image_get_info($source);
$scale = max($width / $info['width'], $height / $info['height']);
$x = round(($info['width'] * $scale - $width) / 2);
$y = round(($info['height'] * $scale - $height) / 2);
if (image_toolkit_invoke('resize', array($source, $destination, $info['width'] * $scale, $info['height'] * $scale))) {
return image_toolkit_invoke('crop', array($destination, $destination, $x, $y, $width, $height));
}
}
}