/**
* Method to add watermark on existing image.
*
* @param string $backgroundImagePath The path to the image that needs to be added with watermark.
* @param string $destinationPath The path to the image output
* @param string $destinationType The type of the output file
* @param string $watermarkImagePath The path to the watermark image.
* @param int $positionX The x position of where the watermark should be positioned.
* @param int $positionY The y position of where the watermark should be positioned.
*
* @return bool True on sucess.
**/
public static function addWatermark($backgroundImagePath, $destinationPath, $destinationType, $watermarkImagePath, $positionX = 0, $positionY = 0, $deleteBackgroundImage = true)
{
// Set output quality
$imgQuality = 99;
$pngQuality = ($imgQuality - 100) / 11.111111;
$pngQuality = round(abs($pngQuality));
$watermarkInfo = getimagesize($watermarkImagePath);
$background = JXImage::open($backgroundImagePath, $destinationType);
$watermark = JXImage::open($watermarkImagePath, $watermarkInfo['mime']);
list($backgroundWidth, $backgroundHeight) = getimagesize($backgroundImagePath);
// Try to make the watermark image transparent
imagecolortransparent($watermark, imagecolorat($watermark, 0, 0));
// Get overlay image width and hight
$watermarkWidth = imagesx($watermark);
$watermarkHeight = imagesy($watermark);
// Combine background image and watermark into a single output image
imagecopymerge($background, $watermark, $positionX, $positionY, 0, 0, $watermarkWidth, $watermarkHeight, 100);
// Output
ob_start();
// Test if type is png
if ($destinationType == 'image/png' || $destinationType == 'image/x-png') {
imagepng($background, null, $pngQuality);
} elseif ($destinationType == 'image/gif') {
imagegif($background);
} else {
imagejpeg($background, null, $imgQuality);
}
$output = ob_get_contents();
ob_end_clean();
// Delete old image
if (JFile::exists($backgroundImagePath) && $deleteBackgroundImage) {
JFile::delete($backgroundImagePath);
}
// Free any memory from the existing image resources
imagedestroy($background);
imagedestroy($watermark);
return JFile::write($destinationPath, $output);
}
public function manageTheme()
{
if ($_POST) {
$configHelper = new JXConfig();
$file = JRequest::getVar('c_logo', '', 'FILES', 'array');
$mainframe = JFactory::getApplication();
if (!empty($file["tmp_name"])) {
if (!JXImage::isValidType($file['type'])) {
$mainframe = JFactory::getApplication();
$mainframe->redirect(JRoute::_('index.php?option=com_account&view=account&task=manageTheme', false), JText::_('COM_PROFILE_IMAGE_FILE_NOT_SUPPORTED'), 'error');
}
//start image processing
$logoMaxWidth = 200;
$logoMaxHeight = 56;
// Get a hash for the file name.
$fileName = JUtility::getHash($file['tmp_name'] . time());
$hashFileName = JString::substr($fileName, 0, 24);
//avatar store path
$storage = JPATH_ROOT . DS . 'images';
$storageImage = $storage . DS . $hashFileName . JXImage::getExtension($file['type']);
$image = 'images' . '/' . $hashFileName . JXImage::getExtension($file['type']);
// Generate full image
list($currentWidth, $currentHeight) = getimagesize($file['tmp_name']);
// Calculate ratio based on height first as height got lower value
$ratioToUse = intval($currentHeight / $logoMaxHeight);
// If logoMaxwidth * ratio > original width, recalculate ratio based on width
if ($logoMaxWidth * $ratioToUse > $currentWidth) {
$ratioToUse = intval($currentWidth / $logoMaxWidth);
}
$maxWidth = $ratioToUse * $logoMaxWidth;
$maxHeight = $logoMaxHeight * $ratioToUse;
$sourceX = intval(($currentWidth - $maxWidth) / 2);
$sourceY = intval(($currentHeight - $maxHeight) / 2);
if (!JXImage::crop($file['tmp_name'], $storageImage, $maxWidth, $maxHeight, $sourceX, $sourceY, $logoMaxWidth, $logoMaxHeight)) {
$mainframe->redirect(JRoute::_('index.php?option=com_account&view=account&task=manageTheme', false), JText::sprintf('COM_PROFILE_ERROR_MOVING_UPLOADED_FILE', $storageImage), 'error');
} else {
// Remove previous logo
$originalFilePath = $configHelper->getCompanyLogoPath();
$defaultLogo = basename(JXConfig::DEFAULT_LOGO);
// Do not remove default logo
if (JFile::exists($originalFilePath) && !stristr($originalFilePath, $defaultLogo)) {
JFile::delete($originalFilePath);
}
$param['logo'] = $image;
}
}
$postdata = JRequest::getVar('params');
$param[JXConfig::STYLE] = $postdata['style'];
if (!$configHelper->saveConfig($param)) {
/* Redirect to clear the previous post values */
$mainframe->redirect(JRoute::_('index.php?option=com_account&view=account&task=manageTheme', false), JText::_('COM_ACCOUNT_ACTION_SAVE_SETTING_FAIL'), 'error');
}
/* Redirect to clear the previous post values */
$mainframe->redirect(JRoute::_('index.php?option=com_account&view=account&task=manageTheme', false), JText::_('COM_ACCOUNT_ACTION_SAVE_SETTING_SUCCESS'));
}
JRequest::setVar('view', 'theme');
parent::display();
}
public function ajaxSaveThumbnail()
{
$my = JXFactory::getUser();
$filePath = JPATH_ROOT . DS . $my->getAvatarPath();
$fileType = JXImage::getImageType($filePath);
$thumbnailStore = $my->getThumbAvatarPath();
$originalFile = JXImage::getImageFileName(JPATH_ROOT . DS . $thumbnailStore);
$originalFilePath = JPATH_ROOT . DS . $thumbnailStore;
$newFileName = 'thumb_' . JXImage::getHashName($originalFile) . JXImage::getExtension($fileType);
$thumbnailStore = str_replace($originalFile, $newFileName, $thumbnailStore);
$xPos = JRequest::getInt('x_pos', 0);
$yPos = JRequest::getInt('y_pos', 0);
$imgWidth = JRequest::getInt('width', 0);
$imgHeight = JRequest::getInt('height', 0);
if (!JXImage::crop($filePath, JPATH_ROOT . DS . $thumbnailStore, $imgWidth, $imgHeight, $xPos, $yPos)) {
$this->_showUploadError(true, '0', $my->getThumbAvatarURL());
exit;
}
$this->_deleteUserCurrentAvatar($my, false);
$my->setParam('avatar_thumb', $thumbnailStore);
$my->save();
$this->_showUploadError(false, '1', $my->getThumbAvatarURL());
exit;
}