static function avatar($picture, $size_data = array(200, 100, 75, 50, 32), $save_dir = '')
{
$image = img::open($picture);
$true_size = img::info($image, 'width');
$save_name = basename($picture, pathinfo($picture, PATHINFO_EXTENSION));
if ($true_size >= $size_data[0]) {
$arr = null;
foreach ($size_data as $target_size) {
$target_img = img::create($target_size, $target_size, 'ffffff', true);
$arr = array(0, 0, 0, 0, $target_size, $target_size, $true_size, $true_size);
$copy_result = img::copy($target_img, $image, 5, $arr);
if ($copy_result) {
img::save($target_img, $save_name . '.gif', $save_dir . $target_size . '/');
}
}
return true;
}
}
static function avatar($img, $size_data = array(100, 75, 50, 32), $save_dir = '')
{
$res = img::open($img);
$true_size = img::info($res, 'width');
$save_name = basename($img);
$save_name = substr($save_name, 0, strpos($save_name, '.'));
if ($true_size >= $size_data[0]) {
$arr = null;
foreach ($size_data as $target_size) {
$target_img = img::create($target_size, $target_size, 'ffffff', true);
$arr = array(0, 0, 0, 0, $target_size, $target_size, $true_size, $true_size);
$copy_res = img::copy($target_img, $res, 5, $arr);
if ($copy_res) {
img::save($target_img, $save_name . '_' . $target_size . '.gif', $save_dir);
}
}
return true;
}
}
/**
* Process images
* @return string
*/
protected function imageFile($path)
{
$params = array_intersect_key($_GET, array('x' => '', 'y' => '', 'adapt' => '', 'crop' => ''));
$params['path'] = $path;
/* Adaptive imgs */
$resMax = 0;
if (isset($params['adapt']) && isset($_COOKIE['DW']) && isset($_COOKIE['DH']) && isset($_COOKIE['DPR'])) {
$resMax = max($_COOKIE['DW'], $_COOKIE['DH']) * (int) $_COOKIE['DPR'];
$resMax = $params['adapt'] = ceil($resMax / 100) * 100;
/* to limit amount of cached images versions */
if (isset($params['x']) && $params['x'] > $resMax) {
$params['x'] = $resMax;
}
}
$cachePath = 'var/cache/' . str_replace('/', '_', http_build_query($params, '', '_'));
/* get only allowed vars and secure generated path */
if (!is_file($cachePath)) {
/* if cache doesn't exists */
include 'modules/core/classes/img.php';
$img = new img($path);
if (isset($params['x']) && isset($params['y'])) {
if (isset($params['crop'])) {
$img->crop($params['x'], $params['y']);
} else {
$img->resize($params['x'], $params['y']);
}
} elseif ($resMax > 0) {
/* If there isn't x and y params we resize img to max Resolution of user's screen */
$img->resize($resMax, 9999);
}
$img->save($cachePath, 80);
}
return $cachePath;
}
static function transform_image($spath, $dpath, $data)
{
$datas = explode(':', $data);
$srcWidth = $datas[0];
$srcHeight = $datas[1];
$srcX = $datas[2];
$srcY = $datas[3];
$dstWidth = $datas[4];
$dstHeight = $datas[5];
img::load($spath);
$origWidth = img::getWidth();
$origHeight = img::getHeight();
$xRatio = $origWidth / $srcWidth;
$yRatio = $origHeight / $srcHeight;
$srcWidth = $dstWidth * $xRatio;
$srcHeight = $dstHeight * $yRatio;
$srcX = $srcX * $xRatio;
$srcY = $srcY * $yRatio;
img::transform($srcX, $srcY, $srcWidth, $srcHeight, $dstWidth, $dstHeight);
img::save($dpath);
img::unload();
}
static function edit()
{
$img_name = post('img_name', 'title');
list($width, $height) = getimagesize($img_name);
$p_width = post('p_w', 'int');
$p_height = post('p_h', 'int');
//先缩放
$res = imagecreatetruecolor($p_width, $p_height);
$img = img::open($img_name);
imagecopyresampled($res, $img, 0, 0, 0, 0, $p_width, $p_height, $width, $height);
img::clear($img);
//再裁切
$new_img = imagecreatetruecolor(post('n_w', 'int'), post('n_h', 'int'));
imagecopyresampled($new_img, $res, 0, 0, post('t_x', 'int'), post('t_y', 'int'), $p_width, $p_height, $p_width, $p_height);
$img_name = basename($img_name);
img::save($new_img, $img_name, dc_file_create);
http::json(array('error' => 0, 'info' => $img_name), true);
}