public static function rotateImage($thumbName, $size, $angle = 90, &$errorMsg)
{
$params = JComponentHelper::getParams('com_phocagallery');
$jfile_thumbs = $params->get('jfile_thumbs', 1);
$jpeg_quality = $params->get('jpeg_quality', 85);
$jpeg_quality = PhocaGalleryImage::getJpegQuality($jpeg_quality);
// Try to change the size
$memory = 8;
$memoryLimitChanged = 0;
$memory = (int) ini_get('memory_limit');
if ($memory == 0) {
$memory = 8;
}
$fileIn = $thumbName->abs;
$fileOut = $thumbName->abs;
if ($fileIn !== '' && file_exists($fileIn)) {
//array of width, height, IMAGETYPE, "height=x width=x" (string)
list($w, $h, $type) = GetImageSize($fileIn);
// we got the info from GetImageSize
if ($w > 0 && $h > 0 && $type != '') {
// Change the $w against $h because of rotating
$src = array(0, 0, $w, $h);
$dst = array(0, 0, $h, $w);
} else {
$errorMsg = 'ErrorWorHorType';
return false;
}
// Try to increase memory
if ($memory < 50) {
ini_set('memory_limit', '50M');
$memoryLimitChanged = 1;
}
switch ($type) {
case IMAGETYPE_JPEG:
if (!function_exists('ImageCreateFromJPEG')) {
$errorMsg = 'ErrorNoJPGFunction';
return false;
}
//$image1 = ImageCreateFromJPEG($fileIn);
try {
$image1 = ImageCreateFromJPEG($fileIn);
} catch (\Exception $exception) {
$errorMsg = 'ErrorJPGFunction';
return false;
}
break;
case IMAGETYPE_PNG:
if (!function_exists('ImageCreateFromPNG')) {
$errorMsg = 'ErrorNoPNGFunction';
return false;
}
//$image1 = ImageCreateFromPNG($fileIn);
try {
$image1 = ImageCreateFromPNG($fileIn);
} catch (\Exception $exception) {
$errorMsg = 'ErrorPNGFunction';
return false;
}
break;
case IMAGETYPE_GIF:
if (!function_exists('ImageCreateFromGIF')) {
$errorMsg = 'ErrorNoGIFFunction';
return false;
}
//$image1 = ImageCreateFromGIF($fileIn);
try {
$image1 = ImageCreateFromGIF($fileIn);
} catch (\Exception $exception) {
$errorMsg = 'ErrorGIFFunction';
return false;
}
break;
case IMAGETYPE_WBMP:
if (!function_exists('ImageCreateFromWBMP')) {
$errorMsg = 'ErrorNoWBMPFunction';
return false;
}
//$image1 = ImageCreateFromWBMP($fileIn);
try {
$image1 = ImageCreateFromWBMP($fileIn);
} catch (\Exception $exception) {
$errorMsg = 'ErrorWBMPFunction';
return false;
}
break;
default:
$errorMsg = 'ErrorNotSupportedImage';
return false;
break;
}
if ($image1) {
// Building image for ROTATING
/* $image2 = @ImageCreateTruecolor($dst[2], $dst[3]);
if (!$image2) {
return 'ErrorNoImageCreateTruecolor';
}*/
/* if(!function_exists("imagerotate")) {
$errorMsg = 'ErrorNoImageRotate';
return false;
}*/
switch ($type) {
case IMAGETYPE_PNG:
// imagealphablending($image1, false);
// imagesavealpha($image1, true);
if (!function_exists("imagecolorallocate")) {
$errorMsg = 'ErrorNoImageColorAllocate';
return false;
}
if (!function_exists("imagefill")) {
$errorMsg = 'ErrorNoImageFill';
return false;
}
if (!function_exists("imagecolortransparent")) {
$errorMsg = 'ErrorNoImageColorTransparent';
return false;
}
$colBlack = imagecolorallocate($image1, 0, 0, 0);
if (!function_exists("imagerotate")) {
$image2 = PhocaGalleryImageRotate::imageRotate($image1, $angle, $colBlack);
} else {
$image2 = imagerotate($image1, $angle, $colBlack);
}
imagefill($image2, 0, 0, $colBlack);
imagecolortransparent($image2, $colBlack);
break;
default:
if (!function_exists("imagerotate")) {
$image2 = PhocaGalleryImageRotate::imageRotate($image1, $angle, 0);
} else {
$image2 = imageRotate($image1, $angle, 0);
}
break;
}
// Get the image size and resize the rotated image if necessary
$rotateWidth = imagesx($image2);
// Get the size from rotated image
$rotateHeight = imagesy($image2);
// Get the size from rotated image
$parameterSize = PhocaGalleryFileThumbnail::getThumbnailResize($size);
$newWidth = $parameterSize['width'];
// Get maximum sizes, they can be displayed
$newHeight = $parameterSize['height'];
// Get maximum sizes, they can be displayed
$scale = $newWidth / $rotateWidth < $newHeight / $rotateHeight ? $newWidth / $rotateWidth : $newHeight / $rotateHeight;
// smaller rate
$src = array(0, 0, $rotateWidth, $rotateHeight);
$dst = array(0, 0, floor($rotateWidth * $scale), floor($rotateHeight * $scale));
// If original is smaller than thumbnail size, don't resize it
if ($src[2] > $dst[2] || $src[3] > $dst[3]) {
// Building image for RESIZING THE ROTATED IMAGE
$image3 = @ImageCreateTruecolor($dst[2], $dst[3]);
if (!$image3) {
$errorMsg = 'ErrorNoImageCreateTruecolor';
return false;
}
ImageCopyResampled($image3, $image2, $dst[0], $dst[1], $src[0], $src[1], $dst[2], $dst[3], $src[2], $src[3]);
switch ($type) {
case IMAGETYPE_PNG:
// imagealphablending($image2, true);
// imagesavealpha($image2, true);
if (!function_exists("imagecolorallocate")) {
$errorMsg = 'ErrorNoImageColorAllocate';
return false;
}
if (!function_exists("imagefill")) {
$errorMsg = 'ErrorNoImageFill';
return false;
}
if (!function_exists("imagecolortransparent")) {
$errorMsg = 'ErrorNoImageColorTransparent';
return false;
}
$colBlack = imagecolorallocate($image3, 0, 0, 0);
imagefill($image3, 0, 0, $colBlack);
imagecolortransparent($image3, $colBlack);
break;
}
} else {
$image3 = $image2;
}
switch ($type) {
case IMAGETYPE_JPEG:
if (!function_exists('ImageJPEG')) {
$errorMsg = 'ErrorNoJPGFunction';
return false;
}
if ($jfile_thumbs == 1) {
ob_start();
if (!@ImageJPEG($image3, NULL, $jpeg_quality)) {
ob_end_clean();
$errorMsg = 'ErrorWriteFile';
return false;
}
$imgJPEGToWrite = ob_get_contents();
ob_end_clean();
if (!JFile::write($fileOut, $imgJPEGToWrite)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
} else {
if (!@ImageJPEG($image3, $fileOut, $jpeg_quality)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
}
break;
case IMAGETYPE_PNG:
if (!function_exists('ImagePNG')) {
$errorMsg = 'ErrorNoPNGFunction';
return false;
}
if ($jfile_thumbs == 1) {
ob_start();
if (!@ImagePNG($image3, NULL)) {
ob_end_clean();
$errorMsg = 'ErrorWriteFile';
return false;
}
$imgPNGToWrite = ob_get_contents();
ob_end_clean();
if (!JFile::write($fileOut, $imgPNGToWrite)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
} else {
if (!@ImagePNG($image3, $fileOut)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
}
break;
case IMAGETYPE_GIF:
if (!function_exists('ImageGIF')) {
$errorMsg = 'ErrorNoGIFFunction';
return false;
}
if ($jfile_thumbs == 1) {
ob_start();
if (!@ImageGIF($image3, NULL)) {
ob_end_clean();
$errorMsg = 'ErrorWriteFile';
return false;
}
$imgGIFToWrite = ob_get_contents();
ob_end_clean();
if (!JFile::write($fileOut, $imgGIFToWrite)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
} else {
if (!@ImageGIF($image3, $fileOut)) {
$errorMsg = 'ErrorWriteFile';
return false;
}
}
break;
default:
$errorMsg = 'ErrorNotSupportedImage';
return false;
break;
}
// free memory
ImageDestroy($image1);
// Original
ImageDestroy($image2);
// Rotated
ImageDestroy($image3);
// Resized
if ($memoryLimitChanged == 1) {
$memoryString = $memory . 'M';
ini_set('memory_limit', $memoryString);
}
return true;
// Success
} else {
$errorMsg = PhocaGalleryUtils::setMessage($errorMsg, JText::_('COM_PHOCAGALLERY_ERROR_IMAGE_NOT_PROCESS'));
return false;
}
if ($memoryLimitChanged == 1) {
$memoryString = $memory . 'M';
ini_set('memory_limit', $memoryString);
}
}
$errorMsg = JText::_('COM_PHOCAGALLERY_FILEORIGINAL_NOT_EXISTS');
return false;
}
function rotate($id, $angle, &$errorMsg)
{
phocagalleryimport('phocagallery.image.imagerotate');
if ($id > 0 && $angle != '') {
$query = 'SELECT a.filename as filename' . ' FROM #__phocagallery AS a' . ' WHERE a.id = ' . (int) $id;
$this->_db->setQuery($query);
$file = $this->_db->loadObject();
if (isset($file->filename) && $file->filename != '') {
$thumbNameL = PhocaGalleryFileThumbnail::getThumbnailName($file->filename, 'large');
$thumbNameM = PhocaGalleryFileThumbnail::getThumbnailName($file->filename, 'medium');
$thumbNameS = PhocaGalleryFileThumbnail::getThumbnailName($file->filename, 'small');
$errorMsg = $errorMsgS = $errorMsgM = $errorMsgL = '';
PhocaGalleryImageRotate::rotateImage($thumbNameL, 'large', $angle, $errorMsgS);
if ($errorMsgS != '') {
$errorMsg = $errorMsgS;
return false;
}
PhocaGalleryImageRotate::rotateImage($thumbNameM, 'medium', $angle, $errorMsgM);
if ($errorMsgM != '') {
$errorMsg = $errorMsgM;
return false;
}
PhocaGalleryImageRotate::rotateImage($thumbNameS, 'small', $angle, $errorMsgL);
if ($errorMsgL != '') {
$errorMsg = $errorMsgL;
return false;
}
if ($errorMsgL == '' && $errorMsgM == '' && $errorMsgS == '') {
return true;
} else {
$errorMsg = ' (' . $errorMsg . ')';
return false;
}
}
$errorMsg = JText::_('COM_PHOCAGALLERY_FILENAME_NOT_EXISTS');
return false;
}
$errorMsg = JText::_('COM_PHOCAGALLERY_ERROR_ITEM_NOT_SELECTED');
return false;
}