function showWatermarkOverImage($imagePath, $watermarkPath, $newImageName = "tmp", $position = 'bl')
{
XiptError::assert(JFile::exists($imagePath) && JFile::exists($watermarkPath), XiptText::_("FILE {$imagePath} AND {$watermarkPath} DOES NOT EXIST"), XiptError::ERROR);
//original image
$destinationType = self::getImageType($imagePath);
$watermarkType = self::getImageType($watermarkPath);
// Load image helper library as it is needed.
require_once JPATH_ROOT . DS . 'components' . DS . 'com_community' . DS . 'helpers' . DS . 'image.php';
$watermarkImage = cImageOpen($watermarkPath, $watermarkType);
/*if(JFolder::exists(PROFILETYPE_AVATAR_STORAGE_REFERENCE_PATH)==false)
JFolder::create(PROFILETYPE_AVATAR_STORAGE_REFERENCE_PATH);
JFile::copy($imagePath,$newImagePath);*/
$imageImage = cImageOpen($imagePath, $destinationType);
/*calculate watermark height and width from watermark image */
$watermarkWidth = imagesx($watermarkImage);
$watermarkHeight = imagesy($watermarkImage);
/*get original image size */
$size = getimagesize($imagePath);
$dest_x = 0;
//$size[0] - $watermarkWidth - 5;
$dest_y = 0;
//$size[1] - $watermarkHeight - 5;
$xy = array();
$xy[0] =& $dest_x;
$xy[1] =& $dest_y;
$watermarkSize = array();
$watermarkSize[0] = $watermarkWidth;
$watermarkSize[1] = $watermarkHeight;
self::setPosotion($size, $watermarkSize, $watermarkImage, $position, $xy);
imagecopymerge($imageImage, $watermarkImage, $dest_x, $dest_y, 0, 0, $watermarkSize[0], $watermarkSize[1], 100);
/*first copy the image to tmp location , b'coz we don't want to destroy original image */
$newImagePath = PROFILETYPE_AVATAR_STORAGE_PATH . DS . $newImageName . '.' . JFile::getExt($imagePath);
$newImageRefPath = PROFILETYPE_AVATAR_STORAGE_REFERENCE_PATH . DS . $newImageName . '.' . JFile::getExt($imagePath);
imagesavealpha($imageImage, true);
ob_start();
// Test if type is png
if ($destinationType == 'image/png' || $destinationType == 'image/x-png') {
imagepng($imageImage);
} elseif ($destinationType == 'image/gif') {
imagegif($imageImage);
} else {
// We default to use jpeg
imagejpeg($imageImage, null, 100);
}
$output = ob_get_contents();
ob_end_clean();
JFile::write($newImagePath, $output);
// Free any memory from the existing image resources
imagedestroy($imageImage);
imagedestroy($watermarkImage);
return $output ? $newImageRefPath : false;
}
function generateThumbnail($imageName, $filename, $storage, $newData, $config)
{
require_once JPATH_ROOT . DS . 'components' . DS . 'com_community' . DS . 'helpers' . DS . 'image.php';
$fileExt = JFile::getExt($filename);
$thumbnailName = 'watermark_' . $newData->id . '_thumb.' . $fileExt;
$storageThumbnail = $storage . DS . $thumbnailName;
$watermarkPath = $storage . DS . $imageName . '.' . $fileExt;
$watermarkThumbWidth = $config->get('xiThumbWidth', 80);
$watermarkThumbHeight = $config->get('xiThumbHeight', 20);
// create a transparent blank image
// if type of watermark is text call ImageCreateTrueColor else
//else call imageCreateTransparent
if ($config->get('typeofwatermark', '0') == '0') {
$dstimg = ImageCreateTrueColor($watermarkThumbWidth, $watermarkThumbHeight);
} else {
$dstimg = XiptLibImage::imageCreateTransparent($watermarkThumbWidth, $watermarkThumbHeight);
}
$watermarkType = XiptHelperImage::getImageType($watermarkPath);
$srcimg = cImageOpen($watermarkPath, $watermarkType);
//XITODO : also support other formats
if (imagecopyresampled($dstimg, $srcimg, 0, 0, 0, 0, $watermarkThumbWidth, $watermarkThumbHeight, $config->get('xiWidth', 64), $config->get('xiHeight', 64))) {
//fix for permissions
imagepng($dstimg, $storageThumbnail);
chmod($storageThumbnail, 0744);
} else {
XiptError::raiseWarning('XIPT_THUMB_WAR', 'THUMBNAIL NOT SUPPORTED');
}
/*if(!cImageCreateThumb( $watermarkPath , $storageThumbnail , XiptHelperImage::getImageType($watermarkPath),$config->get(xiWidth,64)/2,$config->get(xiHeight,64)/2));
$info['msg'] .= sprintf(JText::_('ERROR MOVING UPLOADED FILE') , $storageThumbnail);*/
return;
}
