/**
* Renders a transparent PNG of the requested dimensions
*
* Used in the product gallery to reserve DOM dimensions so the
* gallery is rendered with the proper layout
*
* @since 1.1.7
*
* @return void Description...
**/
function clearpng () {
require_once(ECART_PATH."/core/model/Image.php");
$max = 1920;
$this->width = min($max,$this->width);
$this->height = min($max,$this->height);
$ImageData = new ImageProcessor(false,$this->width,$this->height);
$ImageData->canvas($this->width,$this->height,true);
$image = $ImageData->imagefile(100);
header("Cache-Control: no-cache, must-revalidate");
header("Content-type: image/png");
header("Content-Disposition: inline; filename=clear.png");
header("Content-Description: Delivered by WordPress/Ecart Image Server");
header("Content-length: ".@strlen($image));
die($image);
}
function add_images()
{
$QualityValue = array(100, 92, 80, 70, 60);
$error = false;
if (isset($_FILES['Filedata']['error'])) {
$error = $_FILES['Filedata']['error'];
}
if ($error) {
die(json_encode(array("error" => $this->uploadErrors[$error])));
}
require "{$this->basepath}/core/model/Image.php";
if (isset($_POST['product'])) {
$parent = $_POST['product'];
$context = "product";
}
if (isset($_POST['category'])) {
$parent = $_POST['category'];
$context = "category";
}
// Save the source image
$Image = new Asset();
$Image->parent = $parent;
$Image->context = $context;
$Image->datatype = "image";
$Image->name = $_FILES['Filedata']['name'];
list($width, $height, $mimetype, $attr) = getimagesize($_FILES['Filedata']['tmp_name']);
$Image->properties = array("width" => $width, "height" => $height, "mimetype" => image_type_to_mime_type($mimetype), "attr" => $attr);
$Image->data = addslashes(file_get_contents($_FILES['Filedata']['tmp_name']));
$Image->save();
unset($Image->data);
// Save memory for small image & thumbnail processing
// Generate Small Size
$SmallSettings = array();
$SmallSettings['width'] = $this->Settings->get('gallery_small_width');
$SmallSettings['height'] = $this->Settings->get('gallery_small_height');
$SmallSettings['sizing'] = $this->Settings->get('gallery_small_sizing');
$SmallSettings['quality'] = $this->Settings->get('gallery_small_quality');
$Small = new Asset();
$Small->parent = $Image->parent;
$Small->context = $context;
$Small->datatype = "small";
$Small->src = $Image->id;
$Small->name = "small_" . $Image->name;
$Small->data = file_get_contents($_FILES['Filedata']['tmp_name']);
$SmallSizing = new ImageProcessor($Small->data, $width, $height);
switch ($SmallSettings['sizing']) {
// case "0": $SmallSizing->scaleToWidth($SmallSettings['width']); break;
// case "1": $SmallSizing->scaleToHeight($SmallSettings['height']); break;
case "0":
$SmallSizing->scaleToFit($SmallSettings['width'], $SmallSettings['height']);
break;
case "1":
$SmallSizing->scaleCrop($SmallSettings['width'], $SmallSettings['height']);
break;
}
$SmallSizing->UnsharpMask(75);
$Small->data = addslashes($SmallSizing->imagefile($QualityValue[$SmallSettings['quality']]));
$Small->properties = array();
$Small->properties['width'] = $SmallSizing->Processed->width;
$Small->properties['height'] = $SmallSizing->Processed->height;
$Small->properties['mimetype'] = "image/jpeg";
unset($SmallSizing);
$Small->save();
unset($Small);
// Generate Thumbnail
$ThumbnailSettings = array();
$ThumbnailSettings['width'] = $this->Settings->get('gallery_thumbnail_width');
$ThumbnailSettings['height'] = $this->Settings->get('gallery_thumbnail_height');
$ThumbnailSettings['sizing'] = $this->Settings->get('gallery_thumbnail_sizing');
$ThumbnailSettings['quality'] = $this->Settings->get('gallery_thumbnail_quality');
$Thumbnail = new Asset();
$Thumbnail->parent = $Image->parent;
$Thumbnail->context = $context;
$Thumbnail->datatype = "thumbnail";
$Thumbnail->src = $Image->id;
$Thumbnail->name = "thumbnail_" . $Image->name;
$Thumbnail->data = file_get_contents($_FILES['Filedata']['tmp_name']);
$ThumbnailSizing = new ImageProcessor($Thumbnail->data, $width, $height);
switch ($ThumbnailSettings['sizing']) {
// case "0": $ThumbnailSizing->scaleToWidth($ThumbnailSettings['width']); break;
// case "1": $ThumbnailSizing->scaleToHeight($ThumbnailSettings['height']); break;
case "0":
$ThumbnailSizing->scaleToFit($ThumbnailSettings['width'], $ThumbnailSettings['height']);
break;
case "1":
$ThumbnailSizing->scaleCrop($ThumbnailSettings['width'], $ThumbnailSettings['height']);
break;
}
$ThumbnailSizing->UnsharpMask();
$Thumbnail->data = addslashes($ThumbnailSizing->imagefile($QualityValue[$ThumbnailSettings['quality']]));
$Thumbnail->properties = array();
$Thumbnail->properties['width'] = $ThumbnailSizing->Processed->width;
$Thumbnail->properties['height'] = $ThumbnailSizing->Processed->height;
$Thumbnail->properties['mimetype'] = "image/jpeg";
unset($ThumbnailSizing);
$Thumbnail->save();
unset($Thumbnail->data);
echo json_encode(array("id" => $Thumbnail->id, "src" => $Thumbnail->src));
}
/**
* Updates image details for all cached images of the product
*
* @author Jonathan Davis
* @since 1.0
*
* @param array image record ids
* @return void
**/
public function update_images($images)
{
if (!is_array($images)) {
return;
}
foreach ($images as $img) {
$Image = new ProductImage($img['id']);
$Image->title = stripslashes($img['title']);
$Image->alt = stripslashes($img['alt']);
if (!empty($img['cropping'])) {
if (!class_exists('ImageProcessor')) {
require SHOPP_MODEL_PATH . "/Image.php";
}
foreach ($img['cropping'] as $id => $cropping) {
if (empty($cropping)) {
continue;
}
$Cropped = new ProductImage($id);
list($Cropped->settings['dx'], $Cropped->settings['dy'], $Cropped->settings['cropscale']) = explode(',', $cropping);
extract($Cropped->settings);
$Resized = new ImageProcessor($Image->retrieve(), $Image->width, $Image->height);
$scaled = $Image->scaled($width, $height, $scale);
$scale = ImageAsset::$defaults['scaling'][$scale];
$quality = $quality === false ? ImageAsset::$defaults['quality'] : $quality;
$Resized->scale($scaled['width'], $scaled['height'], $scale, $alpha, $fill, (int) $dx, (int) $dy, (double) $cropscale);
// Post sharpen
if ($sharpen !== false) {
$Resized->UnsharpMask($sharpen);
}
$Cropped->data = $Resized->imagefile($quality);
if (empty($Cropped->data)) {
return false;
}
$Cropped->size = strlen($Cropped->data);
if ($Cropped->store($Cropped->data) === false) {
return false;
}
$Cropped->save();
}
}
$Image->save();
}
}
/**
* update_images()
* Updates the image details for all cached images */
function update_images ($images) {
if (!is_array($images)) return false;
foreach ($images as $img) {
$Image = new ProductImage($img['id']);
$Image->title = $img['title'];
$Image->alt = $img['alt'];
if (!empty($img['cropping'])) {
require_once(ECART_PATH."/core/model/Image.php");
foreach ($img['cropping'] as $id => $cropping) {
if (empty($cropping)) continue;
$Cropped = new ProductImage($id);
list($Cropped->settings['dx'],
$Cropped->settings['dy'],
$Cropped->settings['cropscale']) = explode(',', $cropping);
extract($Cropped->settings);
$Resized = new ImageProcessor($Image->retrieve(),$Image->width,$Image->height);
$scaled = $Image->scaled($width,$height,$scale);
$scale = $Cropped->_scaling[$scale];
$quality = ($quality === false)?$Cropped->_quality:$quality;
$Resized->scale($scaled['width'],$scaled['height'],$scale,$alpha,$fill,(int)$dx,(int)$dy,(float)$cropscale);
// Post sharpen
if ($sharpen !== false) $Resized->UnsharpMask($sharpen);
$Cropped->data = $Resized->imagefile($quality);
if (empty($Cropped->data)) return false;
$Cropped->size = strlen($Cropped->data);
if ($Cropped->store( $Cropped->data ) === false)
return false;
$Cropped->save();
}
}
$Image->save();
}
return true;
}
/**
* Renders a transparent PNG of the requested dimensions
*
* Used in the product gallery to reserve DOM dimensions so the
* gallery is rendered with the proper layout
*
* @author Jonathan Davis
* @since 1.1.7
*
* @return void
**/
public function clearpng()
{
$max = 1920;
$this->width = min($max, $this->width);
$this->height = min($max, $this->height);
$ImageData = new ImageProcessor(false, $this->width, $this->height);
$ImageData->canvas($this->width, $this->height, true);
$image = $ImageData->imagefile(100);
$this->headers('clear.png', @strlen($image));
ob_clean();
// try to catch errant data in buffer
die($image);
}
