Ejemplo n.º 1
0
 public function process_avatar($file, $width)
 {
     c_lib()->load('image');
     $image = new Image(Image::IMAGE_GD);
     $image->open(_BasePath_ . "/avatar/" . $file);
     $img_w = $image->width();
     $img_h = $image->height();
     $x = $img_h / $img_w;
     $x_h = $img_h < $img_w ? $width / $x : $width * $x;
     $image->thumb($x_h, $x_h, Image::IMAGE_THUMB_SCALE);
     $image->thumb($width, $width, Image::IMAGE_THUMB_CENTER);
     $image->save(_BasePath_ . "/avatar/" . $file, 'jpeg');
     $this->clearOtherAvatar($file);
 }
Ejemplo n.º 2
0
 /**
  * 对本地图片做缩略图处理
  * @param string $path
  * @param array  $server_meta
  * @return array
  */
 private function makeThumbnail($path, $server_meta)
 {
     $rt = [];
     if (isset($server_meta['server_root_path'])) {
         $root = $server_meta['server_root_path'];
         $img_path = $root . "/" . $path;
         if (is_file($img_path) && is_readable($img_path)) {
             try {
                 c_lib()->load('image');
                 $img = new Image(Image::IMAGE_GD, $img_path);
                 $img_w = $img->width();
                 $img_h = $img->height();
                 $x = $img_w / $img_h;
                 //创建高清图
                 if ($img_w > image_hd_width()) {
                     $img->thumb(image_hd_width(), image_hd_width() / $x, Image::IMAGE_THUMB_SCALE);
                     $t_path = "hd/" . dirname($path);
                     $this->createPath($root . "/" . $t_path);
                     $img->save($root . "/hd/" . $path);
                     $rt['pic_hd_path'] = "hd/" . $path;
                     $rt['pic_hd_width'] = $img->width();
                     $rt['pic_hd_height'] = $img->height();
                 } else {
                     $rt['pic_hd_path'] = $path;
                 }
                 //创建显示图
                 if ($img_w > image_display_width()) {
                     $img->thumb(image_display_width(), image_display_width() / $x, Image::IMAGE_THUMB_SCALE);
                     $t_path = "display/" . dirname($path);
                     $this->createPath($root . "/" . $t_path);
                     $img->save($root . "/display/" . $path);
                     $rt['pic_display_path'] = "display/" . $path;
                     $rt['pic_display_width'] = $img->width();
                     $rt['pic_display_height'] = $img->height();
                 } else {
                     $rt['pic_display_path'] = $path;
                 }
                 //创建缩略图
                 $img_w = $img->width();
                 $c_w = image_thumbnail_width();
                 $c_h = image_thumbnail_height();
                 $img_h = $img->height();
                 if ($img_w < $c_w) {
                     //目标图片宽度小于缩略图
                     $img_w = $c_w;
                     $img_h = $img_h * $c_w / $img_w;
                 }
                 if ($img_h < $c_h) {
                     //目标图片高度小于缩略图
                     $img_h = $c_h;
                     $img_w = $img_w * $c_h / $img_h;
                 }
                 //if($img_w / $img_h < $c_w / $c_h){
                 if ($img_w * $c_h < $c_w * $img_h) {
                     //化简表达
                     $x_w = $img_w;
                     $x_h = ceil($x_w * $c_h / $c_w);
                 } else {
                     $x_h = $img_h;
                     $x_w = ceil($x_h * $c_w / $c_h);
                 }
                 Log::write(print_r(get_defined_vars(), true));
                 $img->thumb($x_w, $x_h, Image::IMAGE_THUMB_CENTER);
                 Log::write(print_r(get_defined_vars(), true));
                 //$img->thumb($c_w, $c_h, Image::IMAGE_THUMB_SCALE);
                 $t_path = "thumbnail/" . dirname($path);
                 $this->createPath($root . "/" . $t_path);
                 $img->save($root . "/thumbnail/" . $path);
                 $rt['pic_thumbnails_path'] = "thumbnail/" . $path;
                 $rt['pic_thumbnails_width'] = $c_w;
                 $rt['pic_thumbnails_height'] = $c_h;
             } catch (\Exception $ex) {
                 return [];
             }
         }
     }
     return $rt;
 }