/**
* {@inheritDoc}
*/
public function save($item, $key = '')
{
$id = $item['id'];
$outputType = strtolower($this->getParm('type'));
$path = ($this->publicPath ? $this->publicPath . DIRECTORY_SEPARATOR : '') . $this->getParm('path');
$compression = $this->getParm('compression');
$key = ($key ? $key . '.' : '') . $this->name;
$file = $this->request->file($key);
if ($file) {
if ($file->isValid()) {
$tmpFile = $path . DIRECTORY_SEPARATOR . $id;
$outputFile = $tmpFile . '.' . $outputType;
$file->move($path, $id);
list($width, $height, $inputType) = getimagesize($tmpFile);
if ($inputType === imageConvertType($outputType)) {
rename($tmpFile, $outputFile);
} else {
imageSave($outputType, $outputFile, imageOpen($inputType, $tmpFile), $compression);
unlink($tmpFile);
}
}
} elseif (!$this->request->input($key)) {
$this->delete($item);
}
}
/**
* Displays image with given file name, size and compression.
*
* @param Request $request
* @return \Illuminate\Http\Response
*/
public function index(Request $request, Repository $config)
{
$file = $request->get('src');
$width = (int) $request->get('width');
$height = (int) $request->get('height');
$compression = $request->get('compression') ? (int) $request->get('compression') : 80;
if (!$file) {
abort(404);
}
if (file_exists($file)) {
if (!$width && !$height) {
$cacheFile = $file;
} else {
$ext = pathinfo($file, PATHINFO_EXTENSION);
$cacheFile = $config->get('lavanda.image_cache_path') . DIRECTORY_SEPARATOR . crc32($file) . $width . $height . '.' . $ext;
if (!file_exists($cacheFile) || filemtime($file) > filemtime($cacheFile)) {
list($imgWidth, $imgHeight, $type) = getimagesize($file);
$image = imageOpen($type, $file);
if ($width && !$height) {
if ($width != $imgWidth) {
$ratio = $width / $imgWidth;
$height = $imgHeight * $ratio;
} else {
$height = $imgHeight;
}
}
if ($height && !$width) {
if ($height != $imgHeight) {
$ratio = $height / $imgHeight;
$width = $imgWidth * $ratio;
} else {
$width = $imgWidth;
}
}
$cacheImage = imagecreatetruecolor($width, $height);
imagecopyresampled($cacheImage, $image, 0, 0, 0, 0, $width, $height, $imgWidth, $imgHeight);
imageSave($type, $cacheFile, $cacheImage, $compression);
}
}
return response(file_get_contents($cacheFile))->header('Content-Type', mime_content_type($cacheFile));
} else {
abort(404);
}
}
function imageResize($srcPath, $destPath, $destType, $destWidth, $destHeight, $sourceX = 0, $sourceY = 0, $currentWidth=0, $currentHeight=0)
{
// See if we can grab image transparency
$image = imageOpen( $srcPath , $destType );
$transparentIndex = imagecolortransparent( $image );
// Create new image resource
$image_p = ImageCreateTrueColor( $destWidth , $destHeight );
$background = ImageColorAllocate( $image_p , 255, 255, 255 );
// Set the new image background width and height
$resourceWidth = $destWidth;
$resourceHeight = $destHeight;
if(empty($currentHeight) && empty($currentWidth))
{
list($currentWidth , $currentHeight) = getimagesize( $srcPath );
}
// If image is smaller, just copy to the center
$targetX = 0;
$targetY = 0;
// If the height and width is smaller, copy it to the center.
if( $destType != 'image/jpg' && $destType != 'image/jpeg' && $destType != 'image/pjpeg' )
{
if( ($currentHeight < $destHeight) && ($currentWidth < $destWidth) )
{
$targetX = intval( ($destWidth - $currentWidth) / 2);
$targetY = intval( ($destHeight - $currentHeight) / 2);
// Since the
$destWidth = $currentWidth;
$destHeight = $currentHeight;
}
}
// Resize GIF/PNG to handle transparency
if( $destType == 'image/gif' )
{
$colorTransparent = imagecolortransparent($image);
imagepalettecopy($image, $image_p);
imagefill($image_p, 0, 0, $colorTransparent);
imagecolortransparent($image_p, $colorTransparent);
imagetruecolortopalette($image_p, true, 256);
imagecopyresized($image_p, $image, $targetX, $targetY, $sourceX, $sourceY, $destWidth , $destHeight , $currentWidth , $currentHeight );
}
else if( $destType == 'image/png' || $destType == 'image/x-png')
{
// Disable alpha blending to keep the alpha channel
imagealphablending( $image_p , false);
imagesavealpha($image_p,true);
$transparent = imagecolorallocatealpha($image_p, 255, 255, 255, 127);
imagefilledrectangle($image_p, 0, 0, $resourceWidth, $resourceHeight, $transparent);
imagecopyresampled($image_p , $image, $targetX, $targetY, $sourceX, $sourceY, $destWidth, $destHeight, $currentWidth, $currentHeight);
}
else
{
// Turn off alpha blending to keep the alpha channel
imagealphablending( $image_p , false );
imagecopyresampled( $image_p , $image, $targetX, $targetY, $sourceX, $sourceY, $destWidth , $destHeight , $currentWidth , $currentHeight );
}
// Output
ob_start();
// Test if type is png
if( $destType == 'image/png' || $destType == 'image/x-png' )
{
imagepng( $image_p );
}
elseif ( $destType == 'image/gif')
{
imagegif( $image_p );
}
else
{
// We default to use jpeg
imagejpeg($image_p, null, 80);
}
$output = ob_get_contents();
ob_end_clean();
return JFile::write( $destPath , $output );
}
