public static function thumb($image, $thumbname, $domain = 'public', $maxWidth = 200, $maxHeight = 50, $interlace = true)
{
// 获取原图信息
$info = self::getImageInfo($image);
if ($info !== false) {
$srcWidth = $info['width'];
$srcHeight = $info['height'];
$type = strtolower($info['type']);
$interlace = $interlace ? 1 : 0;
unset($info);
$scale = min($maxWidth / $srcWidth, $maxHeight / $srcHeight);
// 计算缩放比例
if ($scale >= 1) {
// 超过原图大小不再缩略
$width = $srcWidth;
$height = $srcHeight;
} else {
// 缩略图尺寸
$width = (int) ($srcWidth * $scale);
$height = (int) ($srcHeight * $scale);
}
//sae平台上图片处理
if (class_exists('SaeStorage')) {
$saeStorage = new SaeStorage();
$saeImage = new SaeImage();
$saeImage->setData(file_get_contents($image));
$saeImage->resize($width, $height);
$thumbname = str_replace(array('../', './'), '', $thumbname);
return $saeStorage->write($domain, $thumbname, $saeImage->exec());
}
// 载入原图
$createFun = 'ImageCreateFrom' . ($type == 'jpg' ? 'jpeg' : $type);
$srcImg = $createFun($image);
//创建缩略图
if ($type != 'gif' && function_exists('imagecreatetruecolor')) {
$thumbImg = imagecreatetruecolor($width, $height);
} else {
$thumbImg = imagecreate($width, $height);
}
// 复制图片
if (function_exists("ImageCopyResampled")) {
imagecopyresampled($thumbImg, $srcImg, 0, 0, 0, 0, $width, $height, $srcWidth, $srcHeight);
} else {
imagecopyresized($thumbImg, $srcImg, 0, 0, 0, 0, $width, $height, $srcWidth, $srcHeight);
}
if ('gif' == $type || 'png' == $type) {
$background_color = imagecolorallocate($thumbImg, 0, 255, 0);
// 指派一个绿色
imagecolortransparent($thumbImg, $background_color);
// 设置为透明色，若注释掉该行则输出绿色的图
}
// 对jpeg图形设置隔行扫描
if ('jpg' == $type || 'jpeg' == $type) {
imageinterlace($thumbImg, $interlace);
}
$dir = dirname($thumbname);
if (!is_dir($dir)) {
@mkdir($dir, 0777, true);
}
// 生成图片
$imageFun = 'image' . ($type == 'jpg' ? 'jpeg' : $type);
$imageFun($thumbImg, $thumbname);
imagedestroy($thumbImg);
imagedestroy($srcImg);
return $thumbname;
}
return false;
}
if (array_key_exists('file', $_FILES) && $_FILES['file']['error'] == 0) {
$file = $_FILES['file'];
$ext = get_extension($file['name']);
/* 后缀名判断不安全 */
$allowed_ext = array('png', 'jpg', 'jpeg', 'gif');
if (!in_array($ext, $allowed_ext)) {
exit_status('error', 'Only Image can upload!');
}
if ($file['size'] > 10 * 1024 * 1024) {
exit_status('error', 'Max file size is 5MB!');
}
$form_data = $file['tmp_name'];
$dumpdata = file_get_contents($form_data);
$img = new SaeImage();
$img->setData($dumpdata);
$img->resize(600);
// 等比缩放到600宽
$new_data = $img->exec('jpg');
// 执行处理并返回处理后的二进制数据
//转换失败
if ($new_data === false) {
exit_status('error', 'p1:' . $img->errmsg());
}
$size = $img->getImageAttr();
//覆盖加入3张图片
$logo_ten_year_img = file_get_contents('../res/images/logo_ten_year110.png');
$logo_zfb_img = file_get_contents('../res/images/logo_zfb100.png');
$text_bg_img = file_get_contents('../res/images/text_back350.png');
//清空$img数据
$img->clean();
//设定要用于合成的三张图片（如果重叠，排在后面的图片会盖住排在前面的图片）
function thumb_url($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 . '/' . $file);
} else {
return false;
}
}
static function clip_pic($width, $height, $pic, $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
$he = $image_size[1];
$we = $image_size[0];
$x1 = $he / $we;
//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 ($we > $w) {
$img->resize($w);
}
//按预设宽度等比缩小
} else {
//如果实际图片比预设值宽
if ($he > $h) {
$img->resize(0, $h);
}
//按预设高度等比缩小
}
$result = $img->exec();
if ($result == false) {
echo "剪切失败！";
var_dump($img->errno(), $img->errmsg());
} else {
return $result;
}
}
<?php
if (isset($_FILES["userAvatar"])) {
$files = $_FILES['userAvatar'];
$name = 'avatar-' . time() . '.jpg';
$form_data = $files['tmp_name'];
$s2 = new SaeStorage();
$img = new SaeImage();
$img_data = file_get_contents($form_data);
//获取本地上传的图片数据
$img->setData($img_data);
$img->resize(260, 260);
//图片缩放
$img->improve();
//提高图片质量的函数
$new_data = $img->exec();
// 执行处理并返回处理后的二进制数据
$s2->write('upload', $name, $new_data);
//将upload修改为自己的storage
$url = $s2->getUrl('upload', $name);
exit("{'state':'200','headimgurl':'" . $url . "'}");
}
/**
* Scale down an image to fit a particular size and save a new copy of the image.
*
* The PNG transparency will be preserved using the function, as well as the
* image type. If the file going in is PNG, then the resized image is going to
* be PNG. The only supported image types are PNG, GIF, and JPEG.
*
* Some functionality requires API to exist, so some PHP version may lose out
* support. This is not the fault of WordPress (where functionality is
* downgraded, not actual defects), but of your PHP version.
*
* @since 2.5.0
*
* @param string $file Image file path.
* @param int $max_w Maximum width to resize to.
* @param int $max_h Maximum height to resize to.
* @param bool $crop Optional. Whether to crop image or resize.
* @param string $suffix Optional. File suffix.
* @param string $dest_path Optional. New image file path.
* @param int $jpeg_quality Optional, default is 90. Image quality percentage.
* @return mixed WP_Error on failure. String with new destination path.
*/
function image_resize($file, $max_w, $max_h, $crop = false, $suffix = null, $dest_path = null, $jpeg_quality = 90)
{
if (is_numeric($file)) {
$file = get_attached_file($file);
}
$imagecontent = file_get_contents($file);
if (!$imagecontent) {
return new WP_Error('error_loading_image', sprintf(__('File “%s” doesn’t exist?'), $file), $file);
}
$localtmp = tempnam(SAE_TMP_PATH, 'WPIMG');
file_put_contents($localtmp, $imagecontent);
$size = @getimagesize($localtmp);
if (!$size) {
return new WP_Error('invalid_image', __('Could not read image size'), $file);
}
list($orig_w, $orig_h, $orig_type) = $size;
$dims = image_resize_dimensions($orig_w, $orig_h, $max_w, $max_h, $crop);
if (!$dims) {
return new WP_Error('error_getting_dimensions', __('Could not calculate resized image dimensions'));
}
list($dst_x, $dst_y, $src_x, $src_y, $dst_w, $dst_h, $src_w, $src_h) = $dims;
$saeimage = new SaeImage();
$saeimage->setData($imagecontent);
$saeimage->resize($dst_w, $dst_h);
// $suffix will be appended to the destination filename, just before the extension
if (!$suffix) {
$suffix = "{$dst_w}x{$dst_h}";
}
$info = pathinfo($file);
$dir = $info['dirname'];
$ext = $info['extension'];
$name = wp_basename($file, ".{$ext}");
if (!is_null($dest_path) and $_dest_path = realpath($dest_path)) {
$dir = $_dest_path;
}
$destfilename = "{$dir}/{$name}-{$suffix}.{$ext}";
if (IMAGETYPE_GIF == $orig_type) {
$retcontent = $saeimage->exec('gif');
if (!$retcontent || !file_put_contents($destfilename, $retcontent)) {
return new WP_Error('resize_path_invalid', __('Resize path invalid'));
}
} elseif (IMAGETYPE_PNG == $orig_type) {
$retcontent = $saeimage->exec('png');
if (!$retcontent || !file_put_contents($destfilename, $retcontent)) {
return new WP_Error('resize_path_invalid', __('Resize path invalid'));
}
} else {
// all other formats are converted to jpg
if ('jpg' != $ext && 'jpeg' != $ext) {
$destfilename = "{$dir}/{$name}-{$suffix}.jpg";
}
$retcontent = $saeimage->exec('jpg');
if (!$retcontent || !file_put_contents($destfilename, $retcontent)) {
return new WP_Error('resize_path_invalid', __('Resize path invalid'));
}
}
return $destfilename;
}
<?php
$link = mysql_connect(SAE_MYSQL_HOST_M . ':' . SAE_MYSQL_PORT, SAE_MYSQL_USER, SAE_MYSQL_PASS);
if ($link) {
mysql_select_db(SAE_MYSQL_DB, $link);
$sql = "select count(*) from loli_images";
$result = mysql_query($sql);
$rand_id_max = mysql_fetch_row($result);
$random_id = rand(1, $rand_id_max[0]);
$sql = "SELECT loli_images_url FROM loli_images WHERE loli_images_id='{$random_id}'";
$result = mysql_query($sql);
//执行sql语句
$row = mysql_fetch_row($result);
}
echo $row[0];
$img = new SaeImage();
$img->setData($row[0]);
$img->resize(200);
// 等比缩放到200宽
if ($new_data === false) {
var_dump($img->errno(), $img->errmsg());
}
print_r($img);
echo "===============================================\n";
echo $row[0];
function create_nails($name, $name_nail, $s, $f, $domain, $aimage)
{
$s = new SaeStorage();
$f = new SaeFetchurl();
$img_data = $f->fetch($aimage);
$img = new SaeImage();
$img->setData($img_data);
$img->resize(400);
$new_data = $img->exec('jpg');
if ($new_data) {
$success = $s->write($domain, $name, $new_data);
//写入用于显示的图片
}
if ($success) {
//如果写入成功
# code...
$s_nail = new SaeStorage();
$img_nail = new SaeImage();
$img_nail->setData($img_data);
$img_nail->resize(100);
$new_data_nail = $img_nail->exec('jpg');
$success_nail = $s_nail->write($domain, $name_nail, $new_data_nail);
if ($success && $success_nail) {
//如果写入同时成功
$result = true;
} else {
$result = false;
}
}
return $result;
}
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));
}