$src_w && $height > $src_h) || ($height > $src_h && $width == 0) || ($width > $src_w && $height == 0)) {
$proportion = 1;
}
if ($width > $src_w) {
$dst_w = $width = $src_w;
}
if ($height > $src_h) {
$dst_h = $height = $src_h;
}
if (!$width && !$height && !$proportion) {
return false;
}
if (!$proportion) {
if ($cut == 0) {
if ($dst_w && $dst_h) {
if ($dst_w / $src_w > $dst_h / $src_h) {
$dst_w = $src_w * ($dst_h / $src_h);
$x = 0 - ($dst_w - $width) / 2;
} else {
$dst_h = $src_h * ($dst_w / $src_w);
$y = 0 - ($dst_h - $height) / 2;
}
} else if ($dst_w xor $dst_h) {
if ($dst_w && !$dst_h) //有宽无高
{
$propor = $dst_w / $src_w;
$height = $dst_h = $src_h * $propor;
} else if (!$dst_w && $dst_h) //有高无宽
{
$propor = $dst_h / $src_h;
$width = $dst_w = $src_w * $propor;
}
}
} else {
if (!$dst_h) //裁剪时无高
{
$height = $dst_h = $dst_w;
}
if (!$dst_w) //裁剪时无宽
{
$width = $dst_w = $dst_h;
}
$propor = min(max($dst_w / $src_w, $dst_h / $src_h), 1);
$dst_w = (int)round($src_w * $propor);
$dst_h = (int)round($src_h * $propor);
$x = ($width - $dst_w) / 2;
$y = ($height - $dst_h) / 2;
}
} else {
$proportion = min($proportion, 1);
$height = $dst_h = $src_h * $proportion;
$width = $dst_w = $src_w * $proportion;
}
$src = $createfun($src_img);
$dst = imagecreatetruecolor($width ? $width : $dst_w, $height ? $height : $dst_h);
$white = imagecolorallocate($dst, 255, 255, 255);
imagefill($dst, 0, 0, $white);
if (function_exists('imagecopyresampled')) {
imagecopyresampled($dst, $src, $x, $y, 0, 0, $dst_w, $dst_h, $src_w, $src_h);
} else {
imagecopyresized($dst, $src, $x, $y, 0, 0, $dst_w, $dst_h, $src_w, $src_h);
}
$otfunc($dst, $dst_img);
imagedestroy($dst);
imagedestroy($src);
//return true;
return ['width' => $src_w, 'height' => $src_h];//modify sofashi
}
/**
* 输出字符并结束运行
*/
public static function stop($string = '')
{
echo $string;
Yii::$app->end();
}
public static function end()
{
Yii::$app->end();
}
/**
* 输出json数据并结束运行
*/
public static function encode($data)
{
echo Json::encode($data);
exit();
}
/**
* 组合需要的格式，输出json数据并结束运行
* code A0001 正确 其它如：A0002表示错误
*/
public static function failInfo($msg = '操作失败', $code = 'A0002', $data = [])
{
$arr = ['code' => $code, 'msg' => $msg, 'data' => $data];
self::encode($arr);
}
public static function successInfo($msg = '操作成功', $code = 'A0001', $data = [])
{
$arr = ['code' => $code, 'msg' => $msg, 'data' => $data];
self::encode($arr);
}
//操作成功，只关心数据的返回
public static function sendJson($data)
{
$arr = ['code' => 1, 'msg' => '操作成功', 'data' => $data];
self::encode($arr);
}
//只关心返回失败状态
public static function sendFail($msg)
{
//要输出页面
if (isset(Yii::$app->params['exportStyle']) && Yii::$app->params['exportStyle'] == 'web') {
//确认平台
if (Yii::$app->params['appStyle'] == 'backend') {
//跳转 echo '';
}
if (Yii::$app->params['appStyle'] == 'mobile') {
//跳转 echo '';
}
Yii::$app->end();
}
$arr = ['code' => 0, 'msg' => $msg, 'data' => []];
self::encode($arr);
Yii::$app->end();
}
//只关心返回成功状态
public static function sendSuccess()
{
$arr = ['code' => 1, 'msg' => '操作成功', 'data' => []];
self::encode($arr);
}
/**
* 合并图片 ---lqh 2017-05-05
* @param $background_img 背景原图
* @param $inline_img 内嵌原图
* @return mixed 合并图的路径名称
*/
public static function mergeImg($background_img, $inline_img, $type = 'wx')
{
$app = Yii::getAlias("@app");
$saveDir = $app . '/../images/qrcode/';
$rand = stringUtil::buildOrderNo();
$random = empty($unique) ? $rand : $unique . '_' . $rand;
//背景框图
$path_1 = $background_img;
//二维码图片
$path_2 = $inline_img;
//将框和二维码图片分别取到两个画布中。 针对png格式
$image_1 = imagecreatefrompng($path_1);
$image_2 = imagecreatefrompng($path_2);
//创建一个和框图片一样大小的真彩色画布（ps：只有这样才能保证后面copy二维码图片的时候不会失真）
$image_3 = imageCreatetruecolor(imagesx($image_1), imagesy($image_1));
//为真彩色画布创建白色背景，再设置为透明
$color = imagecolorallocate($image_3, 255, 255, 255);
imagefill($image_3, 0, 0, $color);
imageColorTransparent($image_3, $color);
//首先将框画布采样copy到真彩色画布中，不会失真
imagecopyresampled($image_3, $image_1, 0, 0, 0, 0, imagesx($image_1), imagesy($image_1), imagesx($image_1), imagesy($image_1));
//再将二维码图片copy到已经具有框图像的真彩色画布中，同样也不会失真
//根据微信或则支付宝合并位置有所不同
if ($type == 'wx') {
imagecopymerge($image_3, $image_2, 220, 320, 0, 0, imagesx($image_2), imagesy($image_2), 100);
} else {
//支付宝
imagecopymerge($image_3, $image_2, 450, 820, 0, 0, imagesx($image_2), imagesy($image_2), 100);
}
//将画布保存到指定的png文件
imagepng($image_3, $saveDir . $random . '_merge.png');
return '/qrcode/' . $random . '_merge.png';//组合图片
}
public static function mergeQrimg($backgroundImg, array $qrImg)
{
$app = Yii::getAlias("@app");
$saveDir = $app . '/../images/qrcode/';
$random = stringUtil::buildOrderNo();
$dest = imagecreatefromjpeg($backgroundImg);
// Get new sizes
list($width, $height) = getimagesize($qrImg['wifi']);
list($newwidth, $newheight) = getimagesize($qrImg['zhifubao']);
$newwidth = $newwidth + 35;//下载的wifi二维码size太小,放大些
$newheight = $newheight + 35;
// Load
$thumb = imagecreatetruecolor($newwidth, $newheight);
$source = imagecreatefromjpeg($qrImg['wifi']);
// Resize
imagecopyresized($thumb, $source, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
imagejpeg($thumb, $saveDir . "temp.jpeg");//Output image to file
//微信（支付宝）二维码、WiFi二维码
$zfbQrImg = imagecreatefrompng($qrImg['zhifubao']);
$WXQrImg = imagecreatefrompng($qrImg['weixin']);
$wifiQrImg = imagecreatefromjpeg($saveDir . "temp.jpeg");
imagealphablending($dest, false);
imagesavealpha($dest, true);
imagecopymerge($dest, $zfbQrImg, 240, 538, 0, 0, imagesx($zfbQrImg), imagesy($zfbQrImg), 100);
imagecopymerge($dest, $WXQrImg, 985, 538, 0, 0, imagesx($WXQrImg), imagesy($WXQrImg), 100);
imagecopymerge($dest, $wifiQrImg, 1708, 520, 0, 0, imagesx($wifiQrImg), imagesy($wifiQrImg), 100);
imagepng($dest, $saveDir . $random . '_fullQrImg.png');
imagedestroy($dest);
imagedestroy($zfbQrImg);
imagedestroy($WXQrImg);
imagedestroy($wifiQrImg);
return '/qrcode/' . $random . '_fullQrImg.png';//组合图片
}
/*
*功能：php完美实现下载远程图片保存到本地
*参数：文件url,保存文件目录,保存文件名称，使用的下载方式
*当保存文件名称为空时则使用远程文件原来的名称
*/
function downLoadImage($url, $save_dir = '', $filename = '', $type = 0)
{
if (trim($url) == '') {
return array('file_name' => '', 'save_path' => '', 'error' => 1);
}
if (trim($save_dir) == '') {
$save_dir = './';
}
if (trim($filename) == '') {//保存文件名
$ext = strrchr($url, '.');
if ($ext != '.gif' && $ext != '.jpg') {
return array('file_name' => '', 'save_path' => '', 'error' => 3);
}
$filename = time() . $ext;
}
if (0 !== strrpos($save_dir, '/')) {
$save_dir .= '/';
}
//创建保存目录
if (!file_exists($save_dir) && !mkdir($save_dir, 0777, true)) {
return array('file_name' => '', 'save_path' => '', 'error' => 5);
}
//获取远程文件所采用的方法
if ($type) {
$ch = curl_init();
$timeout = 5;
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
$img = curl_exec($ch);
curl_close($ch);
} else {
ob_start();
readfile($url);
$img = ob_get_contents();
ob_end_clean();
}
//$size=strlen($img);
//文件大小
$fp2 = @fopen($save_dir . $filename, 'a');
fwrite($fp2, $img);
fclose($fp2);
unset($img, $url);
return array('file_name' => $filename, 'save_path' => $save_dir . $filename, 'error' => 0);
}
//获取服务器IP
public static function serverIp()
{
if (isset($_SERVER)) {
if ($_SERVER['SERVER_ADDR']) {
$server_ip = $_SERVER['SERVER_ADDR'];
} else {
$server_ip = $_SERVER['LOCAL_ADDR'];
}
} else {
$server_ip = getenv('SERVER_ADDR');
}
return $server_ip;
}
//获取huahuibao根目录 shish 2020.3.11
public static function getRootDir()
{
$basePath = Yii::$app->basePath;
if (Yii::$app->id == 'app-console') {
$root = $basePath . "/../";
} else {
$root = $basePath . "/../../";
}
return $root;
}
//格式化输出；用于调试时使用 shish 2019.8.20
public static function print_r($data)
{
echo "";
print_r($data);
Yii::$app->end();
}
//错误输出
public static function fail($msg = '操作失败')
{
Yii::info($msg);
self::encode(['code' => 0, 'msg' => $msg, 'data' => []]);
}
//成功输出内容
public static function success($data, $msg = '操作成功')
{
self::encode(['code' => 1, 'msg' => $msg, 'data' => $data]);
}
//退出当前登陆 shish 2020.3.8
public static function logout()
{
self::encode(['code' => 2, 'msg' => '当前登陆信息已失效，请重新登陆', 'data' => []]);
}
//只输出执行完成状态 shish 2020.3.11
public static function complete($msg = '')
{
$msg = empty($msg) ? '操作成功' : $msg;
self::encode(['code' => 1, 'msg' => $msg, 'data' => []]);
}
public static function notLogin()
{
self::encode(['code' => -1, 'msg' => '没有登陆', 'data' => []]);
}
//shisq
public static function echoStatus($num, $key, $status = 'status')
{
$dictionary = \common\components\configDict::$dict[$key][$status];
echo $dictionary[$num];
}
/**
* 二维数组根据字段进行排序 shisq
* @params array $array 需要排序的数组
* @params string $field 排序的字段
* @params string $sort 排序顺序标志 SORT_DESC 降序；SORT_ASC 升序
*/
public static function arraySequence($array, $field, $sort = 'SORT_DESC')
{
$arrSort = array();
foreach ($array as $uniqid => $row) {
foreach ($row as $key => $value) {
$arrSort[$key][$uniqid] = $value;
}
}
array_multisort($arrSort[$field], constant($sort), $array);
return $array;
}
}