public function getCenter(ImageSize $size, ImageSize $cut = null)
{
$aSize = $size->toArray();
if (is_null($cut)) {
$cut = new ImageSize();
}
$aCut = $cut->toArray();
$x = round($aSize['w'] / 2);
$y = round($aSize['h'] / 2);
$x -= round($aCut['w'] / 2);
$y -= round($aCut['h'] / 2);
return new Coord2D($x, $y);
}
/**
* Apaga
*/
public function deleteAction()
{
$status = false;
if (isset($_POST)) {
if (isset($_REQUEST['id'])) {
$id = (int) $_REQUEST['id'];
$image = Image::find($id);
if ($image) {
$status = Image::delete($image->getId());
// Se a imagem foi apagada com sucesso realiza as demais ações
if ($status) {
// Apaga os tamanhos de imagem
$condition = sprintf("image_id = %s", $image->getId());
ImageSize::deleteAll($condition);
// Gerenciador de imagens
$imageManager = new ImageManager($image);
// Apaga o diretório das imagens
$imageManager->removeDir();
}
}
}
}
// Cria a variável flash
if ($status) {
$this->setFlash('notice_success', 'Image deleted successfully.');
} else {
$this->setFlash('notice_error', 'Delete image failed.');
}
// Redireciona para a listagem
$this->redirectTo('image', 'list');
}
/**
* Apaga um tipo de imagem
*/
public function deleteAction()
{
$status = false;
if (isset($_POST)) {
if (isset($_REQUEST['id'])) {
$id = (int) $_REQUEST['id'];
// Apaga as imagens do disco
$condition = sprintf("image_type_id = %s", $id);
ImageSize::deleteAll($condition);
$status = ImageType::delete($id);
}
}
// Cria a variável flash
if ($status) {
$this->setFlash('notice_success', 'Image type deleted successfully.');
} else {
$this->setFlash('notice_error', 'Delete image type failed.');
}
// Redireciona para a listagem
$this->redirectTo('imageType', 'list');
}
/**
* @param ImageSize $originalSize
* @param ImageSize $newSize
* @return ImageSize
*/
private function getOptimalCrop(ImageSize $newSize)
{
$widthRatio = $this->getWidth() / $newSize->getWidth();
$heightRatio = $this->getHeight() / $newSize->getHeight();
if ($heightRatio < $widthRatio) {
return new ImageSize($this->getWidth() / $heightRatio, $this->getHeight() / $heightRatio);
} else {
return new ImageSize($this->getWidth() / $widthRatio, $this->getHeight() / $widthRatio);
}
}
/**
* Obtém todos os tamanhos de imagens disponíveis
* @return array/object Informações dos tamanhos de imagens
*/
public function getSizes()
{
$condition = sprintf("image_id = %s ORDER BY image_type_id ASC", $this->getId());
return ImageSize::findAll($condition);
}
protected static function loadConf()
{
global $globals;
if (self::$sizes == null) {
self::$sizes = array();
self::$order = json_decode($globals->sizes->order);
foreach (self::$order as $size) {
self::$sizes[$size] = ImageSize::fromExport(json_decode($globals->sizes->{$size}));
}
}
}
/**
* Build the image from a FrankizUpload instance, stores it into the DB
*
* @param $fu Instance of FrankizUpload
* @param $rm Should the temporary file be removed after ? (Default: yes)
*/
public function image(FrankizUpload $fu, $rm = true)
{
$infos = getimagesize($fu->path());
$this->mime = $infos['mime'];
$types = array(IMAGETYPE_GIF, IMAGETYPE_JPEG, IMAGETYPE_PNG);
if (!in_array($infos[2], $types)) {
throw new ImageFormatException();
}
$this->x = $infos[0];
$this->y = $infos[1];
if ($this->x > ImageSize::MAX_WIDTH() || $this->y > ImageSize::MAX_HEIGHT()) {
$e = new ImageSizeException('The picture is to big: (' . $this->x . 'x' . $this->y . ') > (' . ImageSize::MAX_WIDTH() . 'x' . ImageSize::MAX_HEIGHT() . ')');
$e->size(new ImageSize($this->x, $this->y));
$e->allowed(ImageSize::MAX());
throw $e;
}
$this->images = ImageSizesSet::resize(file_get_contents($fu->path()));
if ($rm) {
$fu->rm();
}
foreach ($this->images as $size => $image) {
$size_order = ImageSizesSet::sizeToOrder($size);
XDB::execute('INSERT INTO images_sizes
SET iid = {?}, size = {?}, mime = {?}, x = {?}, y = {?}, data = {?}
ON DUPLICATE KEY UPDATE mime = {?}, x = {?}, y = {?}, data = {?}', $this->id(), $size_order, $image->mime, $image->x, $image->y, $image->data, $image->mime, $image->x, $image->y, $image->data);
}
}
/**
* Realiza o crop da imagem para determinadas medidas
* @param ImageType $imageType Informações do tipo de imagem
*/
private function crop($imageType)
{
// Caminho da imagem a ser realizado crop
$croppedImagePath = sprintf("%s/%s_%s", $this->getDirImagePath(), $imageType->getName(), $this->getName());
// Dimensões da imagem que foi realizada resize
$resizedImageSizes = $this->getResizedImageSizes();
// Pontos x e y para crop
$startHeight = ($resizedImageSizes['height'] - $imageType->getHeight()) / 2;
$startWidth = ($resizedImageSizes['width'] - $imageType->getWidth()) / 2;
// Cria a nova imagem
$newImage = imagecreatetruecolor($imageType->getWidth(), $imageType->getHeight());
$source = $this->getSource($this->getResizedImagePath());
imagecopy($newImage, $source, 0, 0, $startWidth, $startHeight, $resizedImageSizes['width'], $resizedImageSizes['height']);
$this->createImage($newImage, $croppedImagePath, $this->getResizedImagePath());
chmod($croppedImagePath, 0777);
// Apaga a imagem de resize
unlink($this->getResizedImagePath());
// Grava no banco de dados as informações do novo tamanho de imagem
$imageSize = new ImageSize();
$imageSize->setImage($this->getImage());
$imageSize->setImageType($imageType);
$imageSize->setFileName($croppedImagePath);
$imageSize->setFileContentType($this->getMimeType($croppedImagePath));
$imageSize->setFileSize(filesize($croppedImagePath));
$imageSize->save();
}
/**
* @param $img
* @param $type
* @param ImageSize $newSize
* @param ImageSize $expectedSize
* @return resource
*/
private function crop($img, $type, ImageSize $newSize, ImageSize $expectedSize)
{
// Find center - this will be used for the crop
$cropStartX = $newSize->getWidth() / 2 - $expectedSize->getWidth() / 2;
$cropStartY = $newSize->getHeight() / 2 - $expectedSize->getHeight() / 2;
// Now crop from center to exact requested size
$imageCropped = imagecreatetruecolor($expectedSize->getWidth(), $expectedSize->getHeight());
switch ($type) {
case IMAGETYPE_PNG:
// integer representation of the color black (rgb: 0,0,0)
$background = imagecolorallocate($imageCropped, 255, 0, 0);
// removing the black from the placeholder
imagecolortransparent($imageCropped, $background);
// turning off alpha blending (to ensure alpha channel information
// is preserved, rather than removed (blending with the rest of the
// image in the form of black))
imagealphablending($imageCropped, false);
// turning on alpha channel information saving (to ensure the full range
// of transparency is preserved)
imagesavealpha($imageCropped, true);
break;
case IMAGETYPE_GIF:
// integer representation of the color black (rgb: 0,0,0)
$background = imagecolorallocate($imageCropped, 255, 255, 255);
// removing the black from the placeholder
imagecolortransparent($imageCropped, $background);
break;
}
imagecopyresampled($imageCropped, $img, 0, 0, $cropStartX, $cropStartY, $expectedSize->getWidth(), $expectedSize->getHeight(), $expectedSize->getWidth(), $expectedSize->getHeight());
return $imageCropped;
}
/**
* Find image size data or create new if not found
*
* @param string $sizeName
* @return ImageSize
*/
public function getImageSize($sizeName)
{
$size = $this->findImageSize($sizeName);
if (!$size instanceof ImageSize) {
$size = new ImageSize($sizeName);
$size->setMaster($this);
}
return $size;
}
