public function index()
{
/*
|--------------------------------------------------------------------------
| Check for image
|--------------------------------------------------------------------------
|
| Transform just needs the path to an image to get started. If it exists,
| the fun begins.
|
*/
$image_src = $this->fetchParam('src', null, false, false, false);
// Set full system path
$image_path = Path::tidy(BASE_PATH . '/' . $image_src);
// Check if image exists before doing anything.
if (!File::isImage($image_path)) {
Log::error("Could not find requested image to transform: " . $image_path, "core", "Transform");
return;
}
/*
|--------------------------------------------------------------------------
| Resizing and cropping options
|--------------------------------------------------------------------------
|
| The first transformations we want to run is for size to reduce the
| memory usage for future effects.
|
*/
$width = $this->fetchParam('width', null, 'is_numeric');
$height = $this->fetchParam('height', null, 'is_numeric');
// resize specific
$ratio = $this->fetchParam('ratio', true, false, true);
$upsize = $this->fetchParam('upsize', true, false, true);
// crop specific
$pos_x = $this->fetchParam('pos_x', 0, 'is_numeric');
$pos_y = $this->fetchParam('pos_y', 0, 'is_numeric');
$quality = $this->fetchParam('quality', '75', 'is_numeric');
/*
|--------------------------------------------------------------------------
| Action
|--------------------------------------------------------------------------
|
| Available actions: resize, crop, and guess.
|
| "Guess" will find the best fitting aspect ratio of your given width and
| height on the current image automatically, cut it out and resize it to
| the given dimension.
|
*/
$action = $this->fetchParam('action', 'resize');
/*
|--------------------------------------------------------------------------
| Extra bits
|--------------------------------------------------------------------------
|
| Delicious and probably rarely used options.
|
*/
$angle = $this->fetchParam('rotate', false);
$flip_side = $this->fetchParam('flip', false);
$blur = $this->fetchParam('blur', false, 'is_numeric');
$pixelate = $this->fetchParam('pixelate', false, 'is_numeric');
$grayscale = $this->fetchParam('grayscale', false, false, true);
// Silly brits
$greyscale = $this->fetchParam('greyscale', $grayscale, false, true);
/*
|--------------------------------------------------------------------------
| Assemble filename and check for duplicate
|--------------------------------------------------------------------------
|
| We need to make sure we don't already have this image created, so we
| defer any action until we've processed the parameters, which create
| a unique filename.
|
*/
// Find .jpg, .png, etc
$extension = File::getExtension($image_path);
// Filename with the extension removed so we can append our unique filename flags
$stripped_image_path = str_replace('.' . $extension, '', $image_path);
// The possible filename flags
$parameter_flags = array('width' => $width, 'height' => $height, 'quality' => $quality, 'rotate' => $angle, 'flip' => $flip_side, 'pos_x' => $pos_x, 'pos_y' => $pos_y, 'blur' => $blur, 'pixelate' => $pixelate, 'greyscale' => $greyscale);
// Start with a 1 character action flag
$file_breadcrumbs = '-' . $action[0];
foreach ($parameter_flags as $param => $value) {
if ($value) {
$flag = is_bool($value) ? '' : $value;
// don't show boolean flags
$file_breadcrumbs .= '-' . $param[0] . $flag;
}
}
// Allow converting filetypes (jpg, png, gif)
$extension = $this->fetchParam('type', $extension);
// Allow saving in a different directory
$destination = $this->fetchParam('destination', Config::get('transform_destination', false), false, false, false);
if ($destination) {
$destination = Path::tidy(BASE_PATH . '/' . $destination);
// Method checks to see if folder exists before creating it
Folder::make($destination);
$stripped_image_path = Path::tidy($destination . '/' . basename($stripped_image_path));
}
// Reassembled filename with all flags filtered and delimited
$new_image_path = $stripped_image_path . $file_breadcrumbs . '.' . $extension;
// Check if we've already built this image before
if (File::exists($new_image_path)) {
return File::cleanURL($new_image_path);
}
/*
|--------------------------------------------------------------------------
| Create Image
|--------------------------------------------------------------------------
|
| Transform just needs the path to an image to get started. The image is
| created in memory so we can start manipulating it.
|
*/
$image = Image::make($image_path);
/*
|--------------------------------------------------------------------------
| Perform Actions
|--------------------------------------------------------------------------
|
| This is fresh transformation. Time to work the magic!
|
*/
if ($action === 'resize' && ($width || $height)) {
$image->resize($width, $height, $ratio, $upsize);
}
if ($action === 'crop' && $width && $height) {
$image->crop($width, $height, $pos_x, $pos_y);
}
if ($action === 'smart') {
$image->grab($width, $height);
}
if ($angle) {
$image->rotate($angle);
}
if ($flip_side === 'h' || $flip_side === 'v') {
$image->flip($flip_side);
}
if ($greyscale) {
$image->greyscale();
}
if ($blur) {
$image->blur($blur);
}
if ($pixelate) {
$image->pixelate($pixelate);
}
/*
|--------------------------------------------------------------------------
| Save
|--------------------------------------------------------------------------
|
| Get out of dodge!
|
*/
$image->save($new_image_path, $quality);
return File::cleanURL($new_image_path);
}
public function index()
{
/*
|--------------------------------------------------------------------------
| Check for image
|--------------------------------------------------------------------------
|
| Transform just needs the path to an image to get started. If it exists,
| the fun begins.
|
| The way to do this changes depending on whether its an internal or
| external file.
|
*/
$image_src = $this->fetchParam('src', null, false, false, false);
// External URL
if ($is_external = URL::isExternalUrl($image_src)) {
$image_path = $image_src;
// Check if file is an image before doing anything.
// @TODO: Maybe check that the file exists.
$img_info = pathinfo($image_src);
$is_image = in_array($img_info['extension'], array('jpg', 'jpeg', 'png', 'gif'));
if ( ! $is_image) {
Log::error("Requested file is not an image: " . $image_path, "core", "Transform");
return;
}
}
// Internal URL
else {
// Set full system path
$image_path = Path::standardize(Path::fromAsset($image_src));
// Check if image exists before doing anything.
if ( ! File::isImage($image_path)) {
Log::error("Could not find requested image to transform: " . $image_path, "core", "Transform");
return;
}
}
/*
|--------------------------------------------------------------------------
| Resizing and cropping options
|--------------------------------------------------------------------------
|
| The first transformations we want to run is for size to reduce the
| memory usage for future effects.
|
*/
$width = $this->fetchParam('width', null, 'is_numeric');
$height = $this->fetchParam('height', null, 'is_numeric');
// resize specific
$ratio = $this->fetchParam('ratio', true, false, true);
$upsize = $this->fetchParam('upsize', true, false, true);
// crop specific
$pos_x = $this->fetchParam('pos_x', 0, 'is_numeric');
$pos_y = $this->fetchParam('pos_y', 0, 'is_numeric');
$quality = $this->fetchParam('quality', '75', 'is_numeric');
/*
|--------------------------------------------------------------------------
| Action
|--------------------------------------------------------------------------
|
| Available actions: resize, crop, and guess.
|
| "Guess" will find the best fitting aspect ratio of your given width and
| height on the current image automatically, cut it out and resize it to
| the given dimension.
|
*/
$action = $this->fetchParam('action', 'resize');
/*
|--------------------------------------------------------------------------
| Extra bits
|--------------------------------------------------------------------------
|
| Delicious and probably rarely used options.
|
*/
$angle = $this->fetchParam('rotate', false);
$flip_side = $this->fetchParam('flip' , false);
$blur = $this->fetchParam('blur', false, 'is_numeric');
$pixelate = $this->fetchParam('pixelate', false, 'is_numeric');
$greyscale = $this->fetchParam(array('greyscale', 'grayscale'), false, false, true);
$watermark = $this->fetchParam('watermark', false, false, false, false);
/*
|--------------------------------------------------------------------------
| Assemble filename and check for duplicate
|--------------------------------------------------------------------------
|
| We need to make sure we don't already have this image created, so we
| defer any action until we've processed the parameters, which create
| a unique filename.
|
*/
// Late modified time of original image
$last_modified = ($is_external) ? false : File::getLastModified($image_path);
// Find .jpg, .png, etc
$extension = File::getExtension($image_path);
// Filename with the extension removed so we can append our unique filename flags
$stripped_image_path = str_replace('.' . $extension, '', $image_path);
// The possible filename flags
$parameter_flags = array(
'width' => $width,
'height' => $height,
'quality' => $quality,
'rotate' => $angle,
'flip' => $flip_side,
'pos_x' => $pos_x,
'pos_y' => $pos_y,
'blur' => $blur,
'pixelate' => $pixelate,
'greyscale' => $greyscale,
'modified' => $last_modified
);
// Start with a 1 character action flag
$file_breadcrumbs = '-'.$action[0];
foreach ($parameter_flags as $param => $value) {
if ($value) {
$flag = is_bool($value) ? '' : $value; // don't show boolean flags
$file_breadcrumbs .= '-' . $param[0] . $flag;
}
}
// Allow converting filetypes (jpg, png, gif)
$extension = $this->fetchParam('type', $extension);
// Allow saving in a different directory
$destination = $this->fetchParam('destination', Config::get('transform_destination', false), false, false, false);
if ($destination) {
$destination = Path::tidy(BASE_PATH . '/' . $destination);
// Method checks to see if folder exists before creating it
Folder::make($destination);
$stripped_image_path = Path::tidy($destination . '/' . basename($stripped_image_path));
}
// Reassembled filename with all flags filtered and delimited
$new_image_path = $stripped_image_path . $file_breadcrumbs . '.' . $extension;
// Check if we've already built this image before
if (File::exists($new_image_path)) {
return Path::toAsset($new_image_path);
}
/*
|--------------------------------------------------------------------------
| Create Image
|--------------------------------------------------------------------------
|
| Transform just needs the path to an image to get started. The image is
| created in memory so we can start manipulating it.
|
*/
$image = Image::make($image_path);
/*
|--------------------------------------------------------------------------
| Perform Actions
|--------------------------------------------------------------------------
|
| This is fresh transformation. Time to work the magic!
|
*/
if ($action === 'resize' && ($width || $height) ) {
$image->resize($width, $height, $ratio, $upsize);
}
if ($action === 'crop' && $width && $height) {
$image->crop($width, $height, $pos_x, $pos_y);
}
if ($action === 'smart') {
$image->grab($width, $height);
}
$resize = $this->fetchParam('resize', null);
if ($resize) {
$resize_options = Helper::explodeOptions($resize, true);
$image->resize(
array_get($resize_options, 'width'),
array_get($resize_options, 'height'),
array_get($resize_options, 'ratio', true),
array_get($resize_options, 'upsize', true)
);
}
$crop = $this->fetchParam('crop', null);
if ($crop) {
$crop_options = Helper::explodeOptions($crop, true);
$image->crop(
array_get($crop_options, 'width'),
array_get($crop_options, 'height'),
array_get($crop_options, 'x'),
array_get($crop_options, 'y')
);
}
if ($angle) {
$image->rotate($angle);
}
if ($flip_side === 'h' || $flip_side === 'v') {
$image->flip($flip_side);
}
if ($greyscale) {
$image->greyscale();
}
if ($blur) {
$image->blur($blur);
}
if ($pixelate) {
$image->pixelate($pixelate);
}
// Positioning options via ordered pipe settings:
// source|position|x offset|y offset
if ($watermark) {
$watermark_options = Helper::explodeOptions($watermark);
$source = Path::tidy(BASE_PATH . '/' . array_get($watermark_options, 0, null));
$anchor = array_get($watermark_options, 1, null);
$pos_x = array_get($watermark_options, 2, 0);
$pos_y = array_get($watermark_options, 3, 0);
$image->insert($source, $pos_x, $pos_y, $anchor);
}
/*
|--------------------------------------------------------------------------
| Save
|--------------------------------------------------------------------------
|
| Get out of dodge!
|
*/
try {
$image->save($new_image_path, $quality);
} catch(Exception $e) {
Log::fatal('Could not write new images. Try checking your file permissions.', 'core', 'Transform');
throw new Exception('Could not write new images. Try checking your file permissions.');
}
return File::cleanURL($new_image_path);
}
