/**
* @param string $imgUrl image url e.g. http://static.oschina.net/uploads/user/277/554046_50.jpg
* @param string $savePath 图片保存路径
* @param string $rename 图片重命名(只写名称，不用后缀) 为空则使用原名称
* @return string
*/
public static function fetchImg($imgUrl, $savePath, $rename = '')
{
// e.g. http://static.oschina.net/uploads/user/277/554046_50.jpg?t=34512323
if (strpos($imgUrl, '?')) {
list($real, ) = explode('?', $imgUrl, 2);
} else {
$real = $imgUrl;
}
$last = trim(strrchr($real, '/'), '/');
// special url e.g http://img.blog.csdn.net/20150929103749499
if (false === strpos($last, '.')) {
$suffix = '.jpg';
$name = $rename ?: $last;
} else {
$suffix = File::getSuffix($real) ?: '.jpg';
$name = $rename ?: File::getName($real, 1);
}
$imgFile = $savePath . '/' . $name . $suffix;
if (file_exists($imgFile)) {
return $imgFile;
}
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, UrlHelper::encode2($imgUrl));
// curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
// 伪造网页来源地址,伪造来自百度的表单提交
curl_setopt($ch, CURLOPT_REFERER, 'http://www.baidu.com');
$imgData = self::execute($ch);
Directory::create($savePath);
file_put_contents($imgFile, $imgData);
return $imgFile;
}
/**
* @param string $url
* @param string $saveFile If is empty, will save to old file dir.
* @param string $webPath
* @return string
* @throws FileNotFoundException
* @throws FileSystemException
*/
public function compressAndSave($url, $saveFile = '', $webPath = '')
{
// is full url, have http ...
if (!UrlHelper::isRelative($url)) {
return $url;
}
$oldKey = null;
$basePath = $this->getBasePath();
$sourceFile = $basePath . '/' . $url;
if (!is_file($sourceFile)) {
throw new FileNotFoundException("File [{$sourceFile}] don't exists!!");
}
// maybe need create directory.
if ($saveFile) {
$saveDir = dirname($saveFile);
// create path.
if (!Directory::create($saveDir)) {
throw new FileSystemException("Create dir path [{$saveDir}] failure!!");
}
} else {
$saveFile = substr($sourceFile, 0, -strlen($this->assetType)) . 'min.' . $this->assetType;
}
// check target file exists
if (file_exists($saveFile)) {
$oldKey = md5(file_get_contents($saveFile));
}
if ($this->assetType === self::TYPE_CSS) {
$minifier = new Minify\CSS($sourceFile);
} else {
$minifier = new Minify\JS($sourceFile);
}
// check file content has changed.
if ($oldKey) {
$newContent = $minifier->minify();
$newKey = md5($newContent);
if ($newKey !== $oldKey) {
File::write($newContent, $saveFile);
}
} else {
$minifier->minify($saveFile);
}
return $this->baseUrl . str_replace($webPath ?: $basePath, '', $saveFile);
}
/**
* 图片裁切处理(制作缩略图)
* @param string $img 操作的图片文件路径(原图)
* @param string $outPath 文件存放路径
* @param string $outFilename 另存文件名
* @param string $thumbWidth 缩略图宽度
* @param string $thumbHeight 缩略图高度
* @param string $thumbType 裁切图片的方式
* @return static
*/
public function thumbnail($img, $outPath = '', $outFilename = '', $thumbWidth = '', $thumbHeight = '', $thumbType = '')
{
if (!$this->_checkImage($img) || $this->hasError()) {
return $this;
}
$imgInfo = pathinfo($img);
$rawImgType = $imgInfo['extension'];
//基础配置
$thumbType = $thumbType ?: $this->thumbOptions['type'];
$thumbWidth = $thumbWidth ?: $this->thumbOptions['width'];
$thumbHeight = $thumbHeight ?: $this->thumbOptions['height'];
$outPath = $outPath ?: ($this->thumbOptions['path'] ?: dirname($img));
//获得图像信息
list($imgWidth, $imgHeight) = getimagesize($img);
$imgType = $this->_handleImageType($rawImgType);
//获得相关尺寸
$thumbSize = $this->_calcThumbSize($imgWidth, $imgHeight, $thumbWidth, $thumbHeight, $thumbType);
//原始图像资源
// imagecreatefromgif() imagecreatefrompng() imagecreatefromjpeg() imagecreatefromwbmp()
$resImg = call_user_func("imagecreatefrom{$imgType}", $img);
//缩略图的资源
if ($imgType === static::IMAGE_GIF) {
$resThumb = imagecreate($thumbSize[0], $thumbSize[1]);
$color = imagecolorallocate($resThumb, 255, 0, 0);
imagecolortransparent($resThumb, $color);
//处理透明色
} else {
$resThumb = imagecreatetruecolor($thumbSize[0], $thumbSize[1]);
imagealphablending($resThumb, false);
//关闭混色
imagesavealpha($resThumb, true);
//储存透明通道
}
// 绘制缩略图X
if (function_exists('imagecopyresampled')) {
imagecopyresampled($resThumb, $resImg, 0, 0, 0, 0, $thumbSize[0], $thumbSize[1], $thumbSize[2], $thumbSize[3]);
} else {
imagecopyresized($resThumb, $resImg, 0, 0, 0, 0, $thumbSize[0], $thumbSize[1], $thumbSize[2], $thumbSize[3]);
}
//配置输出文件名
$outFilename = $outFilename ?: $this->thumbOptions['prefix'] . $imgInfo['filename'] . $this->thumbOptions['suffix'] . '.' . $rawImgType;
$outFile = $outPath . DIRECTORY_SEPARATOR . $outFilename;
if (!Directory::create($outPath)) {
$this->_error = 'Failed to create the output directory path!. OUT-PATH: ' . $outPath;
return $this;
}
// generate image to dst file. imagepng(), imagegif(), imagejpeg(), imagewbmp()
call_user_func("image{$imgType}", $resThumb, $outFile);
if (isset($resImg)) {
imagedestroy($resImg);
}
if (isset($resThumb)) {
imagedestroy($resThumb);
}
$this->working = ['raw' => $img, 'out' => $outFile];
$this->_result['workThumb']['rawFile'] = $img;
$this->_result['workThumb']['outFile'] = $outFile;
return $this;
}
/**
* 合并编译多个文件
* @param $fileArr
* @param $outFile
* @param boolean $deleteSpace [description]
* @return void [type] [description]
*/
public static function margePhp($fileArr, $outFile, $deleteSpace = true)
{
$savePath = dirname($outFile);
if (!is_dir($savePath)) {
Directory::create($savePath);
}
if (!is_array($fileArr)) {
$fileArr = array($fileArr);
}
$data = '';
foreach ($fileArr as $v) {
#删除注释、空白
if ($deleteSpace) {
$data .= StrHelper::deleteStripSpace($v);
} else {
$o_data = file_get_contents($v);
$o_data = substr($o_data, 0, 5) == "<?php" ? substr($o_data, 5) : $o_data;
$data .= substr($o_data, -2) == "?>" ? substr($o_data, 0, -2) : $o_data;
}
}
$data = "<?php " . $data . "?>";
file_put_contents($outFile, $data);
}
/**
* @param $fromDir
* @param $toDir
* @param bool|false $override
*/
public function publishDir($fromDir, $toDir, $override = false)
{
$files = $this->finder->findAll(1, $fromDir)->getFiles();
$toDir = Directory::isAbsPath($toDir) ? $toDir : $this->publishPath . '/' . $toDir;
// publish files ...
foreach ($files as $file) {
$this->publishFile($fromDir . '/' . $file, $toDir . '/' . $file, $override);
}
}
