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ImageBehavior.php
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ImageBehavior.php
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<?php
/**
* ImageBehavior
*
* @developer Andrew Lechowicz
* @license MIT
* @version 0.1
* @modified 8 Febuary 2013
*
*/
class ImageBehavior extends ModelBehavior {
public $name = 'Image';
public $mapMethods = array('/saveAs(\w+)/' => 'saveAsFileType');
public $imageResource = false;
/*
* @todo Save to databsse as opposed to file system.
*/
public function setup(Model $Model, $settings = array()) {
if (!isset($this->settings[$Model->alias])) {
$this->settings[$Model->alias] = array(
'path' => '', //Path from webroot. If it begins with a slah, HTML helper assumes an absoloute path. Otherwise, it serves from the 'img' directory in webroot
'full_path' => IMAGES,// TODO Set to false to use db for storage
'uuid' => 'uuid',
'extention' => 'ext',
'width' => 'width',
'height' => 'height',
'binary' => false,
);
}
$this->settings[$Model->alias] = array_merge(
$this->settings[$Model->alias], (array)$settings);
$Model->virtualFields = array(
'path' => "CONCAT('{$this->settings[$Model->alias]['path']}', {$Model->alias}.{$this->settings[$Model->alias]['name_field']}, '.', {$Model->alias}.{$this->settings[$Model->alias]['extention_field']})",
'full_path' => "CONCAT('{$this->settings[$Model->alias]['full_path']}', {$Model->alias}.{$this->settings[$Model->alias]['name_field']}, '.', {$Model->alias}.{$this->settings[$Model->alias]['extention_field']})"
);
}
public function saveAsFileType(Model &$Model, $type, $name, $subpath = false) {
}
public function afterFind(Model &$Model, mixed $results, boolean $primary) {
if($primary) {
$this->_loadImage(&$Model, $results[$Model->alias][$this->settings[$Model->alias][]]);
}
}
public function beforeSave($options = array()) {
if($this->imageResource === false) $this->_loadImage(&$Model, $results[$Model->alias][$this->settings[$Model->alias][]]);
if(!isset($this->data['id']) || empty($this->data['id'])) $this->data[$this->settings['uuid']] = String::uuid();
$this->data[$this->settings['width']] = $this->getWidth();
$this->data[$this->settings['height']] = $this->getHeight();
return true;
}
public function afterSave(Model $Model, boolean $created) {
}
///////////////////////////////////\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\
public function save($data = null, $validate = true, $fieldList = array()) {
if($this->imageResource === false) {
if(!$this->loadImage(APP.'webroot'.DS.$this->path)) {
if(!$this->loadImage(APP.'webroot'.DS.'db'.DS.$this->uuid.'.'.$this->ext)) {
if(!$this->loadImage(APP.'webroot'.DS.'db'.DS.$data['Image']['uuid'].'.'.$data['Image']['ext'])) {
// Image doesn't exist so we create a new one.
//die('failed to load GD Library image resource');
//$this->saveNew($data, $validate, fieldList);
//$this->uses[] = 'OrigionalImage';
$this->loadImage(APP.'webroot'.DS.'img'.DS.'db'.DS.$this->data['Image']['uuid'].'.'.$this->data['Image']['ext']);
}
}
}
}
$data['Image']['width'] = $this->getWidth();
$data['Image']['height'] = $this->getHeight();
$this->writeToDisk(APP.'webroot'.DS.'img'.DS.'db'.DS.$this->uuid.'.jpg');
//pr($data);exit;
return parent::save($data, $validate, $fieldList);
}
public function saveNew($data = null, $validate = true, $fieldList = array()) {
$parentId = $data['Image']['parent_id'];
$this->recursive = -1;
$parentData = $this->readDataOnly(null, $parentId);
unset($parentData[$parentData['Image']['class']]);
if(!empty($parentData)) {
$data = array();
$data['Image']['parent_id'] = $parentId;
$data['Image']['class'] = $parentData['Image']['class'];
$data['Image']['foreign_id'] = $parentData['Image']['foreign_id'];
$data['Image']['title'] = $parentData['Image']['title'];
$data['Image']['alt'] = $parentData['Image']['alt'];
$data['Image']['image_category_id'] = $parentData['Image']['image_category_id'];
$data['Image']['image_type_id'] = $parentData['Image']['image_type_id'];
$data['Image']['ext'] = 'jpg';
$data['Image']['id'] = null;
$data['Image']['uuid'] = $this->uuid = String::uuid();
return $this->save($data, $validate, $fieldList);
}
return false;
}
public function saveToDB($data = null, $validate = true, $fieldList = array()) {
if($this->imageResource !== false) {
$data['Image']['width'] = $this->getWidth();
$data['Image']['height'] = $this->getHeight();
}
return parent::save($data, $validate, $fieldList);
}
public function readDataOnly($fields = null, $id = null) {
return parent::read($fields, $id);
}
public function create($data = array(), $filterKey = false) {
if(parent::create($data, $filterKey)) {
$this->uuid = $this->data['Image']['uuid'] = String::uuid();
return true;
} else {
return false;
}
}
public function delete() {
unlink(APP.'webroot'.DS.'img'.DS.'db'.DS.$this->data['Image']['uuid'].'.'.$this->data['Image']['ext']);
return parent::delete();
}
private function _loadImage(Model $Model, $fileString) {
if(!file_exists($fileString)) {
throw new NotFoundException('File: "'.$fileString.'" not found');
return false;
}
//if(empty($this->ext))
$this->ext = strtolower(pathinfo($fileString, PATHINFO_EXTENSION));
// create useing the correct function
switch($this->ext) {
case 'jpg':
$Model->imageResource = imagecreatefromjpeg($fileString);
break;
case 'jpeg':
$Model->imageResource = imagecreatefromjpeg($fileString);
break;
case 'png':
$Model->imageResource = imagecreatefrompng($fileString);
break;
case 'gif';
$Model->imageResource = imagecreatefromgif($fileString);
break;
default:
throw new NotFoundException('File "'.$fileString.'" not found');
return false; // just in case
break; // just in case
}
imagealphablending($Model->imageResource, true);
return true;
}
public function handelUpload($data = array()) {
$this->file = $data['Image']['file'];
if ($this->file['error'] == false) {
if(
$this->file['type'] == 'image/jpeg' ||
$this->file['type'] == 'image/jpg' ||
$this->file['type'] == 'image/png' ||
$this->file['type'] == 'image/gif'
) {
$this->uuid = String::uuid();
$this->set('uuid', $this->uuid);
$this->ext = strtolower(pathinfo($this->file['name'], PATHINFO_EXTENSION));
$this->set('ext', $this->ext);
$fileLocation = APP.'webroot'.DS.'img'.DS.'db'.DS.$this->uuid.'.'.$this->ext;
if (move_uploaded_file($this->file['tmp_name'], $fileLocation)) {
$this->loadImage($fileLocation);
$this->set('width', $this->getWidth());
$this->set('height', $this->getHeight());
return true;
}
return false;
}
}
}
public function handelReUpload($data = array()) {
$this->file = $data['Image']['file'];
if ($this->file['error'] == false) {
if(
$this->file['type'] == 'image/jpeg' ||
$this->file['type'] == 'image/jpg' ||
$this->file['type'] == 'image/png' ||
$this->file['type'] == 'image/gif'
) {
$this->uuid = $data['Image']['uuid'];
$this->set('uuid', $this->uuid);
$this->ext = strtolower(pathinfo($this->file['name'], PATHINFO_EXTENSION));
$this->set('ext', $this->ext);
$fileLocation = APP.'webroot'.DS.'img'.DS.'db'.DS.$this->uuid.'.'.$this->ext;
if (move_uploaded_file($this->file['tmp_name'], $fileLocation)) {
$this->loadImage($fileLocation);
$this->set('width', $this->getWidth());
$this->set('height', $this->getHeight());
return true;
}
return false;
}
}
}
private function overlay($image, $overlay, $startX, $startY, $rotateCW = 0, $sizeX = 0, $sizeY = 0) {
$rotateCW = -1 * $rotateCW;
if($sizeX != 0 && $sizeY != 0) {
$overlay = $this->resizePercent($overlay, $sizeX, $sizeY);
}
imagealphablending($overlay, false);
imagesavealpha($overlay, false);
$overlay = imagerotate($overlay, $rotateCW, -1);
(int)$overlayMiddleX = imagesx($overlay)/2;
(int)$overlayMiddleY = imagesy($overlay)/2;
imagecopy($image, $overlay, (abs($startX-$overlayMiddleX)), (abs($startY-$overlayMiddleY)), 0, 0, imagesx($overlay), imagesy($overlay));
}
public function resizeFixed($newWidth, $newHeight) {
//if(is_string($filelocation))$image = $this->loadImage($filelocation);
//$this->stream();exit;
// Get new dimensions
$origWidth = $this->getWidth();
$origHeight = $this->getHeight();
$origRatio = $origWidth/$origHeight;
if ($newWidth/$newHeight > $origRatio) {
$newWidth = $newHeight*$origRatio;
} else {
$newHeight = $newWidth/$origRatio;
}
// Resample
$image_p = imagecreatetruecolor($newWidth, $newHeight);
$transparent = imagecolorallocatealpha($image_p, 255, 255, 255, 127);
imagealphablending($image_p, false);
imagesavealpha($image_p,true);
imagefilledrectangle($image_p, 0, 0, $newWidth, $newHeight, $transparent);
imagecopyresampled($image_p, $this->imageResource, 0, 0, 0, 0, $newWidth, $newHeight, $origWidth, $origHeight);
$this->imageResource = $image_p;
return true;
}
public function resizeCrop($newWidth, $newHeight) {
$this->resizeAndCrop($newWidth, $newHeight)
}
/*
* Resizes the current resource to fit the dimentions
*/
public function resizeAndCrop($newWidth, $newHeight) {
/*
* Crop-to-fit PHP-GD
* http://911-need-code-help.blogspot.com/2009/04/crop-to-fit-image-using-aspphp.html
*
* Resize and center crop an arbitrary size image to fixed width and height
* e.g. convert a large portrait/landscape image to a small square thumbnail
*/
$origWidth = $this->getWidth();
$origHeight = $this->getHeight();
$origRatio = $origWidth / $origHeight;
$desired_aspect_ratio = $newWidth / $newHeight;
if ($origRatio > $desired_aspect_ratio) {
/*
* Triggered when source image is wider
*/
$temp_height = $newHeight;
$temp_width = (int)($newHeight * $origRatio);
} else {
/*
* Triggered otherwise (i.e. source image is similar or taller)
*/
$temp_width = $newWidth;
$temp_height = (int)($newWidth / $origRatio);
}
/*
* Resize the image into a temporary GD image
*/
$temp_gdim = imagecreatetruecolor($temp_width, $temp_height);
imagecopyresampled($temp_gdim, $this->imageResource, 0, 0, 0, 0, $temp_width, $temp_height, $origWidth, $origHeight);
/*
* Copy cropped region from temporary image into the desired GD image
*/
$x0 = ($temp_width - $newWidth) / 2;
$y0 = ($temp_height - $newHeight) / 2;
$desired_gdim = imagecreatetruecolor($newWidth, $newHeight);
imagecopy($desired_gdim, $temp_gdim, 0, 0,$x0, $y0,$newWidth, $newHeight);
$this->imageResource = $desired_gdim;
return true;
}
/*
* Crops the current resource to fit within the
*/
public function crop($newWidth, $newHeight) {
$image_p = imagecreatetruecolor($newWidth, $newHeight);
$transparent = imagecolorallocatealpha($image_p, 255, 255, 255, 127);
imagealphablending($image_p, false);
imagesavealpha($image_p,true);
imagefilledrectangle($image_p, 0, 0, $newWidth, $newHeight, $transparent);
imagecopyresampled($image_p, $this->imageResource, 0, 0, 0, 0, $newWidth, $newHeight, $newWidth, $newHeight);
$this->imageResource = $image_p;
return true;
}
/*
* Resizes the current image resource base on a percent
*/
public function resizePercent($percent) {
(float)$percent = $percent/100;
// Get new dimensions
list($width, $height) = $this->getimageResourcesize($image);
$new_width = $width * $percent;
$new_height = $height * $percent;
// Resample
$image_p = imagecreatetruecolor($new_width, $new_height);
imagealphablending($image_p, false);
imagesavealpha($image_p,true);
imagecopyresampled($image_p, $image, 0, 0, 0, 0, $new_width, $new_height, $width, $height);
$this->imageResource = $image_p;
return true;
}
public function stream($quality = 100) {
switch(strtolower($this->ext)) {
case 'jpg':
header("Content-Type: image/jpeg");
imagejpeg($this->imageResource, null, $quality);
break;
case 'jpeg':
header("Content-Type: image/jpeg");
imagejpeg($this->imageResource, null, $quality);
break;
case 'png':
header("Content-Type: image/png");
imagepng($this->imageResource, null, $quality);
break;
case 'gif';
header("Content-Type: image/gif");
imagegif($this->imageResource, null, $quality);
break;
default:
throw new NotFoundException('File "'.$fileString.'" not found');
return false; // just in case
break; // just in case
}
return true;
}
private function _writeToDisk($location = null, $quality = 100) {
if(!isset($this->ext) || empty($this->ext)) $this->ext = 'jpg';
if($location == null) $location = APP.'webroot'.DS.'img'.DS.'db'.DS.$this->uuid.'.'.$this->ext;
switch(strtolower($this->ext)) {
case 'jpg':
imagejpeg($this->imageResource, $location, $quality);
break;
case 'jpeg':
imagejpeg($this->imageResource, $location, $quality);
break;
case 'png':
imagepng($this->imageResource, $location, (($quality-100)/10));
break;
case 'gif';
imagegif($this->imageResource, $location, $quality);
break;
default:
//throw new NotFoundException('File "'.$fileString.'" not found');
return false; // just in case
break; // just in case
}
return TRUE;
}
private function _turnAlphaBlendingOFF() { imagealphablending($im, false); }
private function _getImageResourceSize() {
return array($this->getWidth($this->imageResource), $this->getHeight($this->imageResource));
}
public function getWidth() {
return imagesx($this->imageResource);
}
public function getHeight() {
return imagesy($this->imageResource);
}
}