function getThumbImage($filename, $width = 100, $height = 'auto', $type = 0, $replace = false)
{
$UPLOAD_URL = '';
$UPLOAD_PATH = '';
$filename = str_ireplace($UPLOAD_URL, '', $filename);
//将URL转化为本地地址
$info = pathinfo($filename);
$oldFile = $info['dirname'] . DIRECTORY_SEPARATOR . $info['filename'] . '.' . $info['extension'];
$thumbFile = $info['dirname'] . DIRECTORY_SEPARATOR . $info['filename'] . '_' . $width . '_' . $height . '.' . $info['extension'];
$oldFile = str_replace('\\', '/', $oldFile);
$thumbFile = str_replace('\\', '/', $thumbFile);
$filename = ltrim($filename, '/');
$oldFile = ltrim($oldFile, '/');
$thumbFile = ltrim($thumbFile, '/');
//兼容SAE的中心裁剪缩略
if (strtolower(C('PICTURE_UPLOAD_DRIVER')) == 'sae') {
$storage = new SaeStorage();
$thumbFilePath = str_replace(C('UPLOAD_SAE_CONFIG.rootPath'), '', $thumbFile);
if (!$storage->fileExists(C('UPLOAD_SAE_CONFIG.domain'), $thumbFilePath)) {
$f = new SaeFetchurl();
$img_data = $f->fetch($oldFile);
$img = new SaeImage();
$img->setData($img_data);
$info_img = $img->getImageAttr();
if ($height == "auto") {
$height = $info_img[1] * $height / $info_img[0];
}
$w = $info_img[0];
$h = $info_img[1];
/* 居中裁剪 */
//计算缩放比例
$w_scale = $width / $w;
if ($w_scale > 1) {
$w_scale = 1 / $w_scale;
}
$h_scale = $height / $h;
if ($h_scale > $w_scale) {
//按照高来放缩
$x1 = (1 - 1.0 * $width * $h / $w / $height) / 2;
$x2 = 1 - $x1;
$img->crop($x1, $x2, 0, 1);
$img_temp = $img->exec();
$img1 = new SaeImage();
$img1->setData($img_temp);
$img1->resizeRatio($h_scale);
} else {
$y1 = (1 - 1 * 1.0 / ($width * $h / $w / $height)) / 2;
$y2 = 1 - $y1;
$img->crop(0, 1, $y1, $y2);
$img_temp = $img->exec();
$img1 = new SaeImage();
$img1->setData($img_temp);
$img1->resizeRatio($w_scale);
}
$img1->improve();
$new_data = $img1->exec();
// 执行处理并返回处理后的二进制数据
if ($new_data === false) {
return $oldFile;
}
// 或者可以直接输出
$thumbed = $storage->write(C('UPLOAD_SAE_CONFIG.domain'), $thumbFilePath, $new_data);
$info['width'] = $width;
$info['height'] = $height;
$info['src'] = $thumbed;
//图片处理失败时输出错误码和错误信息
} else {
$info['width'] = $width;
$info['height'] = $height;
$info['src'] = $storage->getUrl(C('UPLOAD_SAE_CONFIG.domain'), $thumbFilePath);
}
return $info;
}
//原图不存在直接返回
if (!file_exists($UPLOAD_PATH . $oldFile)) {
@unlink($UPLOAD_PATH . $thumbFile);
$info['src'] = $oldFile;
$info['width'] = intval($width);
$info['height'] = intval($height);
return $info;
//缩图已存在并且 replace替换为false
} elseif (file_exists($UPLOAD_PATH . $thumbFile) && !$replace) {
$imageinfo = getimagesize($UPLOAD_PATH . $thumbFile);
$info['src'] = $thumbFile;
$info['width'] = intval($imageinfo[0]);
$info['height'] = intval($imageinfo[1]);
return $info;
//执行缩图操作
} else {
$oldimageinfo = getimagesize($UPLOAD_PATH . $oldFile);
$old_image_width = intval($oldimageinfo[0]);
$old_image_height = intval($oldimageinfo[1]);
if ($old_image_width <= $width && $old_image_height <= $height) {
@unlink($UPLOAD_PATH . $thumbFile);
@copy($UPLOAD_PATH . $oldFile, $UPLOAD_PATH . $thumbFile);
$info['src'] = $thumbFile;
$info['width'] = $old_image_width;
$info['height'] = $old_image_height;
return $info;
} else {
if ($height == "auto") {
$height = $old_image_height * $width / $old_image_width;
}
if ($width == "auto") {
$width = $old_image_width * $width / $old_image_height;
}
if (intval($height) == 0 || intval($width) == 0) {
return 0;
}
require_once 'ThinkPHP/Library/Vendor/phpthumb/PhpThumbFactory.class.php';
$thumb = PhpThumbFactory::create($UPLOAD_PATH . $filename);
if ($type == 0) {
$thumb->adaptiveResize($width, $height);
} else {
$thumb->resize($width, $height);
}
$res = $thumb->save($UPLOAD_PATH . $thumbFile);
$info['src'] = $UPLOAD_PATH . $thumbFile;
$info['width'] = $old_image_width;
$info['height'] = $old_image_height;
return $info;
//内置库缩略
/* $image = new \Think\Image();
$image->open($UPLOAD_PATH . $filename);
//dump($image);exit;
$image->thumb($width, $height, $type);
$image->save($UPLOAD_PATH . $thumbFile);
//缩图失败
if (!$image) {
$thumbFile = $oldFile;
}
$info['width'] = $width;
$info['height'] = $height;
$info['src'] = $thumbFile;
return $info;*/
}
}
}
function avatar_update()
{
if (!empty($_SESSION['avatar'])) {
$targ_w = intval($_POST['w']);
$targ_h = intval($_POST['h']);
$x = $_POST['x'];
$y = $_POST['y'];
$jpeg_quality = 90;
$avatar = $_SESSION['avatar'];
$avatar_dir = C("UPLOADPATH") . "avatar/";
if (sp_is_sae()) {
//TODO 其它存储类型暂不考虑
$src = C("TMPL_PARSE_STRING.__UPLOAD__") . "avatar/{$avatar}";
} else {
$src = $avatar_dir . $avatar;
}
$avatar_path = $avatar_dir . $avatar;
if (sp_is_sae()) {
//TODO 其它存储类型暂不考虑
$img_data = sp_file_read($avatar_path);
$img = new \SaeImage();
$size = $img->getImageAttr();
$lx = $x / $size[0];
$rx = $x / $size[0] + $targ_w / $size[0];
$ty = $y / $size[1];
$by = $y / $size[1] + $targ_h / $size[1];
$img->crop($lx, $rx, $ty, $by);
$img_content = $img->exec('png');
sp_file_write($avatar_dir . $avatar, $img_content);
} else {
$image = new \Think\Image();
$image->open($src);
$image->crop($targ_w, $targ_h, $x, $y);
$image->save($src);
}
$userid = sp_get_current_userid();
$result = $this->users_model->where(array("id" => $userid))->save(array("avatar" => $avatar));
$_SESSION['user']['avatar'] = $avatar;
if ($result) {
$this->success("头像更新成功！");
} else {
$this->error("头像更新失败！");
}
}
}
public function cropPicture($uid, $crop = null, $ext = 'jpg')
{
//如果不裁剪，则发生错误
if (!$crop) {
$this->error('必须裁剪');
}
$path = "/Uploads/Avatar/" . $uid . "/original." . $ext;
//获取文件路径
$fullPath = substr($path, 0, 1) == '/' ? '.' . $path : $path;
$savePath = str_replace('original', 'crop', $fullPath);
$returnPath = str_replace('original', 'crop', $path);
$returnPath = substr($returnPath, 0, 1) == '/' ? '.' . $returnPath : $returnPath;
//解析crop参数
$crop = explode(',', $crop);
$x = $crop[0];
$y = $crop[1];
$width = $crop[2];
$height = $crop[3];
//是sae则不需要获取全路径
if (strtolower(C('PICTURE_UPLOAD_DRIVER')) == 'local') {
//本地环境
$image = ImageWorkshop::initFromPath($fullPath);
//生成将单位换算成为像素
$x = $x * $image->getWidth();
$y = $y * $image->getHeight();
$width = $width * $image->getWidth();
$height = $height * $image->getHeight();
//如果宽度和高度近似相等，则令宽和高一样
if (abs($height - $width) < $height * 0.01) {
$height = min($height, $width);
$width = $height;
}
//调用组件裁剪头像
$image = ImageWorkshop::initFromPath($fullPath);
$image->crop(ImageWorkshopLayer::UNIT_PIXEL, $width, $height, $x, $y);
$image->save(dirname($savePath), basename($savePath));
//返回新文件的路径
return $returnPath;
} elseif (strtolower(C('PICTURE_UPLOAD_DRIVER')) == 'sae') {
//sae
//载入临时头像
$f = new \SaeFetchurl();
$img_data = $f->fetch($fullPath);
$img = new \SaeImage();
$img->setData($img_data);
$img_attr = $img->getImageAttr();
//生成将单位换算成为像素
$x = $x * $img_attr[0];
$y = $y * $img_attr[1];
$width = $width * $img_attr[0];
$height = $height * $img_attr[1];
//如果宽度和高度近似相等，则令宽和高一样
if (abs($height - $width) < $height * 0.01) {
$height = min($height, $width);
$width = $height;
}
$img->crop($x / $img_attr[0], ($x + $width) / $img_attr[0], $y / $img_attr[1], ($y + $height) / $img_attr[1]);
$new_data = $img->exec();
$storage = new \SaeStorage();
$thumbFilePath = str_replace(C('UPLOAD_SAE_CONFIG.rootPath'), '', dirname($savePath) . '/' . basename($savePath));
$thumbed = $storage->write(C('UPLOAD_SAE_CONFIG.domain'), $thumbFilePath, $new_data);
//返回新文件的路径
return $thumbed;
} elseif (strtolower(C('PICTURE_UPLOAD_DRIVER')) == 'qiniu') {
$imageInfo = file_get_contents($fullPath . '?imageInfo');
$imageInfo = json_decode($imageInfo);
//生成将单位换算成为像素
$x = $x * $imageInfo->width;
$y = $y * $imageInfo->height;
$width = $width * $imageInfo->width;
$height = $height * $imageInfo->height;
$new_img = $fullPath . '?imageMogr2/crop/!' . $width . 'x' . $height . 'a' . $x . 'a' . $y;
//返回新文件的路径
return $new_img;
}
}
static function clip_topic($width, $height, $pic, $location = 'center', $domain)
{
$s = new SaeStorage();
$img = new SaeImage();
$w = $width;
$h = $height;
if (!($img_data = $s->read($domain, $pic))) {
echo $domain . "&&&&" . $pic;
die('图片读取失败！');
}
$img->setData($img_data);
//获取预设剪裁高宽比
$x2 = $h / $w;
if (!($image_size = $img->getImageAttr())) {
die('获取属性失败！');
}
//图片实际高宽比
$x1 = $image_size[1] / $image_size[0];
//图片实际高宽比和预设高宽比之比
$x12 = $x1 / $x2;
if ($x12 < 1) {
//如果实际图片比预设值高
if ($location == 'center') {
//用halb值决定其剪裁位置
$halb = 0.5 - $x12 / 2;
} elseif ($location == 'right') {
$halb = 1 - $x12;
} else {
$halb = 0;
}
$img->resize(0, $h);
//按预设高度等比缩小
$img->crop($halb, $x12 + $halb, null, null);
//图片居中预设宽度剪裁
} else {
//如果实际图片比预设值宽
$x21 = 1 / $x12;
//将比例反转
if ($location == 'center') {
//用halb值决定其剪裁位置
$halb = 0.5 - $x21 / 2;
} elseif ($location == 'right') {
$halb = 1 - $x12;
} else {
$halb = 0;
}
$img->resize($w);
//按预设宽度等比缩小
$img->crop(null, null, $halb, $x21 + $halb);
//图片中间预设高度剪裁
}
if (!$img->improve()) {
die('图片优化失败!');
}
$result = $img->exec();
if ($result == false) {
echo "剪切失败！";
var_dump($img->errno(), $img->errmsg());
} else {
return $result;
}
}
private function cropAvatar($path, $crop = null)
{
//如果不裁剪，则发生错误
if (!$crop) {
$this->error = '必须裁剪';
return false;
}
//是sae则不需要获取全路径
if (strtolower(APP_MODE) != 'sae') {
//本地环境
//获取头像的文件路径
$fullPath = $this->getFullPath($path);
//生成文件名后缀
$postfix = substr(md5($crop), 0, 8);
$savePath = preg_replace('/\\.[a-zA-Z0-9]*$/', '-' . $postfix . '$0', $fullPath);
$returnPath = preg_replace('/\\.[a-zA-Z0-9]*$/', '-' . $postfix . '$0', $path);
//解析crop参数
$crop = explode(',', $crop);
$x = $crop[0];
$y = $crop[1];
$width = $crop[2];
$height = $crop[3];
//载入临时头像
$image = ImageWorkshop::initFromPath($fullPath);
//如果宽度和高度近似相等，则令宽和高一样
if (abs($height - $width) < $height * 0.01) {
$height = min($height, $width);
$width = $height;
} else {
$this->error = $height . '图像必须为正方形';
return false;
}
//确认头像足够大
if ($height < 256) {
$this->error = '头像太小';
return false;
}
//调用组件裁剪头像
$image = ImageWorkshop::initFromPath($fullPath);
$image->crop(ImageWorkshopLayer::UNIT_PIXEL, $width, $height, $x, $y);
$image->save(dirname($savePath), basename($savePath));
//返回新文件的路径
return $returnPath;
} else {
//sae
$fullPath = $path;
$postfix = substr(md5($crop), 0, 8);
$savePath = preg_replace('/\\.[a-zA-Z0-9]*$/', '-' . $postfix . '$0', $fullPath);
$returnPath = preg_replace('/\\.[a-zA-Z0-9]*$/', '-' . $postfix . '$0', $path);
//解析crop参数
$crop = explode(',', $crop);
$x = $crop[0];
$y = $crop[1];
$width = $crop[2];
$height = $crop[3];
//载入临时头像
$f = new \SaeFetchurl();
$img_data = $f->fetch($fullPath);
$img = new \SaeImage();
$img->setData($img_data);
$img_attr = $img->getImageAttr();
//生成将单位换算成为像素
$x = $x * $img_attr[0];
$y = $y * $img_attr[1];
$width = $width * $img_attr[0];
$height = $height * $img_attr[1];
//如果宽度和高度近似相等，则令宽和高一样
if (abs($height - $width) < $height * 0.01) {
$height = min($height, $width);
$width = $height;
} else {
$this->error = '图像必须为正方形';
return false;
}
//确认头像足够大
if ($height < 128) {
$this->error = '头像太小';
return false;
}
/* dump('x='.$x);
dump('y='.$y);
dump('w='.$width);
dump('h='.$height);exit;*/
$img->crop($x / $img_attr[0], ($x + $width) / $img_attr[0], $y / $img_attr[1], ($y + $height) / $img_attr[1]);
$new_data = $img->exec();
$storage = new \SaeStorage();
$thumbFilePath = str_replace(C('UPLOAD_SAE_CONFIG.rootPath'), '', dirname($savePath) . '/' . basename($savePath));
$thumbed = $storage->write(C('UPLOAD_SAE_CONFIG.domain'), $thumbFilePath, $new_data);
//返回新文件的路径
return $thumbed;
}
}
function thumb_url($stor, $file, $size = '200')
{
global $storage;
if ($storage->fileExists($stor, $size . '/' . $file)) {
return $storage->getUrl($stor, $size . '/' . $file);
} elseif ($storage->fileExists($stor, 'original/' . $file)) {
// 读取原始图片信息
$img_data = $storage->read($stor, 'original/' . $file);
$img_url = $storage->getUrl($stor, 'original/' . $file);
//$img_info = getimagesize($img_url);
// 生成缩略图
$img = new SaeImage();
$img->setData($img_data);
$img_info = $img->getImageAttr();
$img->resize(200);
$resizeRa = 200 / $img_info[0];
$cropYend = $img_info[1] * $resizeRa;
if ($cropYend > 150) {
$cropy = 150 / $cropYend;
$img->crop(0, 1, 0, $cropy);
}
$storage->write($stor, $size . '/' . $file, $img->exec());
$img->clean();
return $storage->getUrl($stor, $size . '/' . $file);
} else {
return false;
}
}
public function actionUpdateHeadimg()
{
$model = $this->loadModel(Yii::app()->user->id);
if (isset($_POST['Member'])) {
$model->headimg = CUploadedFile::getInstance($model, 'headimg');
$this->performAjaxValidation($model, array('headimg'));
if ($model->validate(array('headimg'))) {
if (empty($model->headimg)) {
header('Content-Type: text/html; charset=utf-8;');
echo "<script language='javascript'>alert('上传文件不能为空');window.location.href='updateHeadimg';</script>";
exit;
}
list($usec, $sec) = explode(" ", microtime());
$usec = substr($usec, 2, 2);
$newFileName = 'headimg' . $sec . $usec . '.jpg';
$uploadimage = new SaeStorage();
$uploadimage->upload('headimg', $newFileName, $model->headimg->tempName);
$newFile = "http://918s-headimg.stor.sinaapp.com/" . $newFileName;
$f = new SaeFetchurl();
$img_data = $f->fetch($newFile);
$img = new SaeImage();
$img->setData($img_data);
if ($_POST['w'] && $_POST['h']) {
//用户选中截图工具，按照对应坐标进行截图
$x1 = $_POST['x1'] / 200;
$w = ($_POST['x1'] + $_POST['w']) / 200;
$y1 = $_POST['y1'] / 300;
$h = ($_POST['y1'] + $_POST['h']) / 300;
$img->crop($x1, $w, $y1, $h);
$img->resize(100, 100);
} else {
//用户直接提交，直接对图片进行缩放
$img->resize(100, 100);
}
$data = $img->exec();
$uploadimage->write('headimg', $newFileName, $data);
$model->headimg = $newFileName;
if ($model->saveAttributes(array('headimg'))) {
$this->redirect(array('/member/index'));
}
}
}
$this->render('updateHeadimg', array('model' => $model));
}
