CImage For PHP

aboys 发表于 2011-12-22 08:54

<div id="codeText" class="codeText"><ol style="margin:0 1px 0 0;padding:5px 0;" start="1" class="dp-css"><li><?php </li><li>
/** </li><li>
* CImage +_+ PHP Version </li><li>
* </li><li>
* @author    aboys72 </li><li>
* @date 2011/7/20 </li><li>
*/ </li><li>
define('PIC_DIR', '/tmp/');</li><li>
class CImage </li><li>
{ </li><li>
    const ERR_NO_FILE = 1; </li><li>
 </li><li>
    protected $module_cfg = array( </li><li>
        'upload' => 'images/',</li><li>
    ); </li><li>
 </li><li>
    protected $uid; </li><li>
    protected $module; </li><li>
    protected $name_dst; </li><li>
    protected $file_type; </li><li>
    protected $hash_folder; </li><li>
    protected $w_src; </li><li>
    protected $h_src; </li><li>
    protected $prefix; </li><li>
    protected $save_path; </li><li>
    protected $msg_id = 0; </li><li>
     </li><li>
 </li><li>
    public function __construct($module, $uid = 0) </li><li>
    { </li><li>
        if (!isset($this->module_cfg[$module])) { </li><li>
            die('No find module'); </li><li>
        } else { </li><li>
            $this->module = $module; </li><li>
            $this->uid = $uid; </li><li>
            $this->save_path = PIC_DIR . $this->module_cfg[$module]; </li><li>
        } </li><li>
    } </li><li>
 </li><li>
    public function copyImage($src, $prefix = '') </li><li>
    { </li><li>
        if (!$this->checkFile($src)) { </li><li>
            return false; </li><li>
        } </li><li>
        $this->prefix = $prefix; </li><li>
        return copy($src, $this->getFullPath()); </li><li>
    } </li><li>
 </li><li>
    public function thumbImage($src, $w_dst = 0, $h_dst = 0, $prefix = 'thumb_', $w_max = 0, $h_max = 0, $quality = 80) </li><li>
    { </li><li>
        if ($this->name_dst == '' && $this->checkFile($src) == false) { </li><li>
            return false; </li><li>
        } </li><li>
        $this->prefix = $prefix; </li><li>
        $image = new Imagick($src); </li><li>
        if (empty($this->w_src) || empty($this->h_src)) { </li><li>
            $this->w_src = $image->getImageWidth(); </li><li>
            $this->h_src = $image->getImageHeight(); </li><li>
        } </li><li>
        list($width, $height) = $this->getThumbXY($w_dst, $h_dst); </li><li>
        $image->setcompressionquality($quality); </li><li>
        if ($image->getnumberimages() == 1) { </li><li>
            $image->scaleImage($width, $height); </li><li>
            $image->writeimage($this->getFullPath()); </li><li>
        } else { </li><li>
            foreach ($image as $im) { </li><li>
                $im->scaleImage($width, $height); </li><li>
            } </li><li>
            $image->writeimages($this->getFullPath(), true); </li><li>
        } </li><li>
        $image->clear(); </li><li>
        $image->destroy(); </li><li>
 </li><li>
        if (!empty($h_max) && $h_max < $height) { </li><li>
            return $this->cropImage($this->getFullPath(), $width, $h_max, 0, 0, $prefix); </li><li>
        } </li><li>
        return true; </li><li>
    } </li><li>
 </li><li>
    public function cropImage($src, $w_dst, $h_dst, $x = 0, $y = 0, $prefix = 'crop_') </li><li>
    { </li><li>
        if ($this->name_dst == '' && $this->checkFile($src) == false) { </li><li>
            return false; </li><li>
        } </li><li>
        $this->prefix = $prefix; </li><li>
        $image = new Imagick($src); </li><li>
        if ($image->getnumberimages() == 1) { </li><li>
            $image->cropimage($w_dst, $h_dst, $x, $y); </li><li>
            $image->writeimage($this->getFullPath()); </li><li>
        } else { </li><li>
            foreach ($image as $im) { </li><li>
                $im->cropimage($w_dst, $h_dst, $x, $y); </li><li>
            } </li><li>
            $image->writeimages($this->getFullPath(), true); </li><li>
        } </li><li>
        $image->clear(); </li><li>
        $image->destroy(); </li><li>
        return true; </li><li>
    } </li><li>
 </li><li>
    protected function getFullPath() </li><li>
    { </li><li>
        return $this->save_path . $this->hash_folder . $this->prefix .$this->name_dst; </li><li>
    } </li><li>
 </li><li>
    protected function checkFile($filename) </li><li>
    { </li><li>
        if (!file_exists($filename)) { </li><li>
            $this->msg_id = self::ERR_NO_FILE; </li><li>
            return false; </li><li>
        } </li><li>
        $image = new Imagick($filename); </li><li>
        $this->file_type = strtolower($image->getimageformat()); </li><li>
        if ($this->file_type == 'jpeg') { </li><li>
            $this->file_type = 'jpg'; </li><li>
        } </li><li>
        $this->w_src = $image->getimagewidth(); </li><li>
        $this->h_src = $image->getimageheight(); </li><li>
        $this->name_dst = $this->randName(); </li><li>
        $this->hash_folder = $this->createHashDir(); </li><li>
        $image->clear(); </li><li>
        $image->destroy(); </li><li>
        return true; </li><li>
    } </li><li>
 </li><li>
    protected function randName() </li><li>
    { </li><li>
        return date('YmdHis') . rand(1000, 9999) . '.' . $this->file_type; </li><li>
    } </li><li>
 </li><li>
    protected function createHashDir($number = 2) </li><li>
    { </li><li>
        $sha1_name = sha1($this->name_dst); </li><li>
        $sha1_dir= ''; </li><li>
        for ($i = 0; $i < $number; $i++) { </li><li>
            $sha1_dir.= substr($sha1_name, $i * 2, 2) . '/'; </li><li>
        } </li><li>
        $this->mkdirs($this->save_path . $sha1_dir); </li><li>
        return $sha1_dir; </li><li>
    } </li><li>
 </li><li>
    protected function mkdirs($path, $mode = 0755) </li><li>
    { </li><li>
        if (is_dir($path)) { </li><li>
            return true; </li><li>
        } </li><li>
        $dirpath = dirname($path); </li><li>
        if (!file_exists($dirpath)) { </li><li>
            $this->mkdirs($dirpath, $mode); </li><li>
        } </li><li>
        @mkdir($path, $mode); </li><li>
        return is_dir($path); </li><li>
    } </li><li>
 </li><li>
    protected function getThumbXY($w_dst, $h_dst) </li><li>
    { </li><li>
        $x = 0; </li><li>
        $y = 0; </li><li>
        if ($w_dst >= $this->w_src && $h_dst >= $this->h_src) { </li><li>
            $x = $this->w_src; </li><li>
            $y = $this->h_src; </li><li>
        } else if ($w_dst <= $this->w_src && empty($h_dst)) { </li><li>
            $x = $w_dst; </li><li>
            $y = round($w_dst / $this->w_src * $this->h_src); </li><li>
        } else if (empty($w_dst) && $h_dst <= $this->h_src) { </li><li>
            $x = round($h_dst / $this->h_src * $this->w_src); </li><li>
            $y = $h_dst; </li><li>
        } else if ($w_dst > 0 && $h_dst > 0) { </li><li>
            if ($w_dst / $this->w_src < $h_dst / $this->h_src) { </li><li>
                $x = $w_dst; </li><li>
                $y = $y = round($w_dst / $this->w_src * $this->h_src); </li><li>
            } else { </li><li>
                $x = round($h_dst / $this->h_src * $this->w_src); </li><li>
                $y = $h_dst; </li><li>
            } </li><li>
        } else { </li><li>
            $x = $this->w_src; </li><li>
            $y = $this->h_src; </li><li>
        } </li><li>
        return array($x, $y); </li><li>
    } </li><li>
 </li><li>
    public function getHttpPicUrl() </li><li>
    { </li><li>
        return $this->getUrl(); </li><li>
    } </li><li>
 </li><li>
    public function getUrl() </li><li>
    { </li><li>
        return PIC_HOST_HTTP . '/' . $this->getPath(); </li><li>
    } </li><li>
 </li><li>
    public function getPath() </li><li>
    { </li><li>
        return substr($this->getFullPath(), strlen(PIC_DIR)); </li><li>
    } </li><li>
 </li><li>
 </li><li>
    public function getMessage() </li><li>
    { </li><li>
        $errors = array( </li><li>
            self::ERR_NO_FILE => '上传文件不存在!', </li><li>
        ); </li><li>
        return (isset($errors[$this->msg_id])) ? $errors[$this->msg_id] : null; </li><li>
    } </li><li>
 </li><li>
    public function getRemoteFile($url) </li><li>
    { </li><li>
        $fileinfo = pathinfo($url); </li><li>
        $file = @file_get_contents($url); </li><li>
        if ($file == false) { </li><li>
            $this->msg_id = self::ERR_NO_FILE; </li><li>
            return false; </li><li>
        } </li><li>
        $this->file_type = $fileinfo['extension']; </li><li>
        $this->name_dst = $this->randName(); </li><li>
        $this->hash_folder = $this->createHashDir(); </li><li>
        file_put_contents($this->getFullPath(), $file); </li><li>
        return true; </li><li>
    } </li><li>
}</li></ol><div>$ci = new CImage('upload');</div><div>$ci->copyImage($_FILES['name']['tmp_name']);</div><div>$url = $ci->getUrl();</div></div>

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