function thumbnail($filename, $width = 640, $height = 480)
{
jimport('joomla.filesystem.folder');
jimport('joomla.filesystem.file');
$source = "/media/com_arcnaanimals/{$filename}";
if (!JFile::exists(JPATH_ROOT . $source)) {
return false;
}
$destination = "/media/com_arcnaanimals/thumbs/{$width}_{$height}_{$filename}";
if (!JFile::exists(JPATH_ROOT . $destination)) {
if (!JFolder::exists(dirname(JPATH_ROOT . $destination))) {
JFolder::create(dirname(JPATH_ROOT . $destination));
}
require_once JPATH_COMPONENT_ADMINISTRATOR . '/helpers/thumbnail/Thumbnail.class.php';
$thumb = new Thumbnail(JPATH_ROOT . $source);
// Contructor and set source image file
$thumb->size($width, $height);
// [OPTIONAL] set the biggest width and height for thumbnail
$thumb->process();
// generate image
// save the file
ob_start();
$thumb->show();
$output = ob_get_contents();
ob_end_clean();
JFile::write(JPATH_ROOT . $destination, $output);
}
$url = JURI::root(true) . $destination;
return "<img src='{$url}' alt='{$filename}'/>";
}
/**
* Image generator.
*
* @param string $imageFile Image name.
* @param int $maxSize Max size.
* @param string $newFileName New generated file name.
* @param int $qualitat Quality.
* @param string $waterMark Watermark.
*
* @return array Image resolution.
*/
public static function imageGenerator($imageFile, $maxSize, $newFileName, $qualitat, $waterMark = '')
{
if (!file_exists($imageFile)) {
return false;
}
// Size setter.
list($width, $height, $type) = getimagesize($imageFile);
$larger = $width > $height ? $width : $height;
$smaller = $width > $height ? $height : $width;
if ($larger <= $maxSize) {
$newLarger = $larger;
$newSmaller = $smaller;
} else {
$multiplication = $maxSize / $larger;
$newLarger = $maxSize;
$newSmaller = $smaller * $multiplication;
}
$newWidth = $width > $height ? $newLarger : $newSmaller;
$newHeight = $width > $height ? $newSmaller : $newLarger;
switch ($type) {
case 1:
$kep = imagecreatefromgif($imageFile);
break;
case 2:
$kep = imagecreatefromjpeg($imageFile);
break;
case 3:
$kep = imagecreatefrompng($imageFile);
break;
}
$ujkep = imagecreatetruecolor($newWidth, $newHeight);
imagecopyresampled($ujkep, $kep, 0, 0, 0, 0, $newWidth, $newHeight, $width, $height);
imagejpeg($ujkep, $newFileName, $qualitat);
// Contructor and set source image file
$thumb = new Thumbnail($newFileName);
// [OPTIONAL] set maximun memory usage, default 32 MB ('32M'). (use '16M' or '32M' for litter images)
$thumb->memory_limit = '64M';
// [OPTIONAL] set maximun execution time, default 30 seconds ('30'). (use '60' for big images o slow server)
$thumb->max_execution_time = 60;
if ($waterMark != '') {
// [OPTIONAL] set watermark source file, only PNG format [RECOMENDED ONLY WITH GD 2]
$thumb->img_watermark = 'static/images/watermak/' . $waterMark;
}
// [OPTIONAL] set watermark vertical position, TOP | CENTER | BOTTOM
$thumb->img_watermark_Valing = 'CENTER';
// [OPTIONAL] set watermark horizonatal position, LEFT | CENTER | RIGHT
$thumb->img_watermark_Haling = 'CENTER';
$thumb->process();
$newImage = $thumb->dump();
imagejpeg($newImage, $newFileName, $qualitat);
return array($newWidth, $newHeight);
}
protected static function createThumb($image, $target, $size, $quality)
{
$source = self::getRealFilename($image);
//ini_set('memory_limit', '128M');
$thumb = new Thumbnail($source);
if ($size) {
$size_array = explode('x', $size);
if (is_numeric($size_array[0])) {
$thumb->size_width($size_array[0]);
}
if (is_numeric($size_array[1])) {
$thumb->size_height($size_array[1]);
}
}
if (is_numeric($quality)) {
$thumb->quality = $quality;
}
$thumb->process();
if (!$thumb->save($target)) {
throw new Image_Handler_Exception($image, $thumb->error_msg);
}
}
protected function createThumbs($file, $targets)
{
global $eshop_picture_config;
$dir_photo = KIWI_DIR_PRODUCTS;
foreach ($targets as $target) {
if (!array_key_exists($target, $eshop_picture_config)) {
throw new Exception('Für das Vorschaubild Ziel unbekannt');
}
if (is_array($eshop_picture_config[$target])) {
$t = new Thumbnail("{$dir_photo}photo/{$file}");
$t->size($eshop_picture_config[$target][0], $eshop_picture_config[$target][1]);
$t->quality = 80;
$t->output_format = 'JPG';
$this->log("Erstellen einer Miniaturansicht zu das Bild {$file} in das Verzeichnis {$target}");
$t->process();
if (!$this->_simulation) {
$status = $t->save("{$dir_photo}{$target}/{$file}");
if (!$status) {
throw new Exception('Fehler beim Speichern einer Miniaturansicht des Bildes');
}
}
}
}
}
$thumb->allow_enlarge=false; // [OPTIONAL] allow to enlarge the thumbnail
//$thumb->CalculateQFactor(10000); // [OPTIONAL] Calculate JPEG quality factor for a specific size in bytes
//$thumb->bicubic_resample=false; // [OPTIONAL] set resample algorithm to bicubic
*/
$thumb->img_watermark = 'watermark.png';
// [OPTIONAL] set watermark source file, only PNG format [RECOMENDED ONLY WITH GD 2 ]
/*
$thumb->img_watermark_Valing='TOP'; // [OPTIONAL] set watermark vertical position, TOP | CENTER | BOTTON
$thumb->img_watermark_Haling='LEFT'; // [OPTIONAL] set watermark horizonatal position, LEFT | CENTER | RIGHT
$thumb->txt_watermark='Watermark Text'; // [OPTIONAL] set watermark text [RECOMENDED ONLY WITH GD 2 ]
$thumb->txt_watermark_color='FF0000'; // [OPTIONAL] set watermark text color , RGB Hexadecimal[RECOMENDED ONLY WITH GD 2 ]
$thumb->txt_watermark_font=5; // [OPTIONAL] set watermark text font: 1,2,3,4,5
$thumb->txt_watermark_Valing='BOTTOM'; // [OPTIONAL] set watermark text vertical position, TOP | CENTER | BOTTOM
$thumb->txt_watermark_Haling='RIGHT'; // [OPTIONAL] set watermark text horizonatal position, LEFT | CENTER | RIGHT
$thumb->txt_watermark_Hmargin=10; // [OPTIONAL] set watermark text horizonatal margin in pixels
$thumb->txt_watermark_Vmargin=10; // [OPTIONAL] set watermark text vertical margin in pixels
$thumb->size_width(150); // [OPTIONAL] set width for thumbnail, or
$thumb->size_height(113); // [OPTIONAL] set height for thumbnail, or
$thumb->size_auto(150); // [OPTIONAL] set the biggest width or height for thumbnail
*/
$thumb->size(150, 113);
// [OPTIONAL] set the biggest width and height for thumbnail
$thumb->process();
// generate image
$thumb->show();
// show your thumbnail, or
//$thumb->save("thumbnail.".$thumb->output_format); // save your thumbnail to file, or
//$image = $thumb->dump(); // get the image
//echo ($thumb->error_msg); // print Error Mensage
protected function scalePicture($file)
{
global $eshop_picture_config;
$t = new Thumbnail(KIWI_DIR_ACTIONS_PIC . $file);
$t->size($eshop_picture_config['action'][0], $eshop_picture_config['action'][1]);
$t->quality = 80;
$t->output_format = 'JPG';
$t->process();
$status = $t->save(KIWI_DIR_ACTIONS_PIC . $file);
if (!$status) {
throw new Exception('Chyba při ukládání miniatury obrázku');
}
}
protected function createThumbs($file, $targets)
{
global $eshop_picture_config;
$dir_photo = KIWI_DIR_PRODUCTS;
foreach ($targets as $target) {
if (!array_key_exists($target, $eshop_picture_config)) {
throw new Exception('Neznámý cíl pro miniaturu fotografie');
}
if (is_array($eshop_picture_config[$target])) {
$t = new Thumbnail("{$dir_photo}photo/{$file}");
$t->size($eshop_picture_config[$target][0], $eshop_picture_config[$target][1]);
$t->quality = 80;
$t->output_format = 'JPG';
$t->process();
$status = $t->save("{$dir_photo}{$target}/{$file}");
if (!$status) {
throw new Exception('Chyba při ukládání miniatury obrázku');
}
}
}
}
/**
* Watermark Image
*
* @param string $imageFile Source image file (../files/images/product-1.jpg)
* @param string $watermarkImage Watermark Image file (../templates/img/logo.png)
* @param string $valign Vertical align (LEFT | CENTER | RIGHT)
* @param string $halign Horizontal align (LEFT | CENTER | RIGHT)
*
* return boolean True if images watermarked, False if not
*
*/
public function WatermarkImage($imageFile, $watermarkImage = "", $valign = "", $halign = "")
{
global $rootPath;
$imageExt = strtoupper(substr($imageFile, strrpos($imageFile, ".") + 1));
// File extension
require_once $rootPath . INC_THUMBNAIL . "Thumbnail.class.php";
$thumb = new Thumbnail($imageFile);
$thumb->quality = 80;
$thumb->output_format = $imageExt;
$thumb->img_watermark = $watermarkImage ? $watermarkImage : $rootPath . INC_THUMBNAIL . "logo.png";
$thumb->img_watermark_Valing = $valign ? $valign : "BOTTOM";
$thumb->img_watermark_Haling = $halign ? $halign : "CENTER";
$thumb->process();
if (!$thumb->save($imageFile)) {
$this->SetError($thumb->error_msg, __FILE__, __LINE__);
return false;
}
return true;
}
