public function getFileUrl($width = null, $height = null, $fit = null)
{
assert(null === $fit || self::COVER === $fit || self::CONTAIN === $fit);
$path = $this->path($width, $height, $fit);
if (!file_exists($path)) {
$originalPath = $this->path();
set_error_handler(create_function('$severity, $message, $file, $line', 'throw new ErrorException($message, $severity, $severity, $file, $line);'));
try {
$image = EWideImage::load($originalPath);
if (self::COVER === $fit) {
$image = $image->resize($width, $height, 'outside')->crop('center', 'center', $width, $height);
} else {
$image = $image->resize($width, $height, 'fill');
}
$image->saveToFile($path);
} catch (Exception $exception) {
Yii::log('Failed to resize image: ' . print_r(array('id' => $this->id, 'width' => $width, 'height' => $height, 'fit' => $fit), true), 'error', 'app.image.getUrl');
}
restore_error_handler();
}
return strtr('{baseUrl}/{basePath}/{filename}', array('{baseUrl}' => Yii::app()->baseUrl, '{basePath}' => Yii::app()->params['images']['basePath'], '{filename}' => $this->filename($width, $height, $fit)));
}
/**
* 按比例产生缩略图
* @param unknown_type $fileName 相对于Yii::app()->uploads
* @param unknown_type $width
* @param unknown_type $height
*/
public static function xImage($fileName, $width, $height)
{
//文件是否存在
$sourceFile = Yii::app()->basePath . "/../" . $fileName;
if (!file_exists($sourceFile)) {
return false;
}
$ext = DxdUtil::fileExt($fileName);
if (!in_array(strtolower($ext), array('jpg', 'png', 'jpeg'))) {
return false;
}
//新文件名，形如 filename_120_100.jpg
$newFileName = substr($fileName, 0, strrpos($fileName, ".")) . "_" . $width . "_" . $height . "." . $ext;
$targetFile = Yii::app()->basePath . "/../caches/" . $newFileName;
//文件是否已经被缩略过
if (file_exists($targetFile)) {
return "caches/" . $newFileName;
}
//开始压缩
Yii::import('application.extensions.EWideImage.EWideImage');
$dir = dirname($targetFile);
if (!file_exists($dir)) {
DxdUtil::createFolders($dir);
}
try {
EWideImage::load(Yii::app()->basePath . "/../" . $fileName)->resize($width, $height)->saveToFile($targetFile);
} catch (Exception $e) {
return false;
}
return "caches/" . $newFileName;
}
public function createImages($path, $bigfilename, $thumbfilename)
{
Yii::import('common.extensions.EWideImage.EWideImage');
//include library for image manipulation
$srcfile = $this->makeFileName($path, 'raw', $bigfilename);
if (file_exists($srcfile)) {
$srcImg = EWideImage::load($srcfile);
//load image from raw
//create main image
$fileName = $this->makeFileName($path, '', $bigfilename);
$dstImg = $this->fitwidth($srcImg, $this->_fullSizeW, $this->_fullSizeH);
$dstImg->saveToFile($fileName);
//create thumb image
$fileName = $this->makeFileName($path, '', $thumbfilename);
$dstImg = $this->fitwidth($srcImg, $this->_thumbSizeW, $this->_thumbSizeH);
$dstImg->saveToFile($fileName);
foreach ($this->_imageSizes as $size) {
switch ($size['operation']) {
case 'crop':
$dstImg = $srcImg->crop('center', 'center', $size['options']['width'], $size['options']['height']);
break;
case 'resize':
$dstImg = $srcImg->resize($size['options']['width'], $size['options']['height'], 'fill');
break;
case 'bestfit':
$dstImg = $this->bestfit($srcImg, $size['options']['width'], $size['options']['height']);
break;
case 'fitwidth':
$dstImg = $this->fitwidth($srcImg, $size['options']['width'], $size['options']['height']);
break;
case 'resizewidth':
$dstImg = $this->resizewidth($srcImg, $size['options']['width'], $size['options']['height']);
break;
default:
break;
}
$fileName = $this->makeFileName($path, $size['name'], $bigfilename);
$this->makeDir(dirname($fileName));
$dstImg->saveToFile($fileName);
}
}
}
