0.6.x/js/02_dom/06_XNodeCSS.js

   1
   2
   3 /*
   4  * style 値の変更は、enterFrame 後にまとめて適用
   5  * width(), height(), x(), y() 1em の取得時にも適用
   6  * css3 の ie用 fix は X.UI レベルで行う
   7  *
   8  * use X.Dom.Event
   9  */
  10
  11 /* font-size -> fontSize */
  12 function X_Node_CSS_camelize( cssProp ){
  13         var parts, l, i, parts0, camelized;
  14
  15         if( camelized = X_Node_CSS__DICTIONARY_CAMELIZE[ cssProp ] ) return camelized;
  16         parts  = cssProp.split( ' ' ).join( '' ).split( '-' );
  17         parts0 = parts[ 0 ];
  18         l      = parts.length;
  19         if( l === 1 ) return parts0;
  20
  21         camelized = cssProp.charAt(0) === '-'
  22           ? parts0.charAt( 0 ).toUpperCase() + parts0.substring( 1 )
  23           : parts0;
  24
  25         for( i = 1; i < l; ++i ){
  26                 camelized += parts[ i ].charAt( 0 ).toUpperCase() + parts[ i ].substring( 1 );
  27         };
  28         return X_Node_CSS__DICTIONARY_CAMELIZE[ cssProp ] = camelized;
  29 };
  30
  31 // TODO use X_HTMLParser_CHARS
  32 /* fontSize -> font-size */
  33 function X_Node_CSS_uncamelize( str ){
  34         var A = X_Node_CSS_CHAR_CODE_A,
  35                 Z = A + 25,
  36                 uncamelized, l, chr, code, i;
  37         str = str.split( ' ' ).join( '' );
  38         if( uncamelized = X_Node_CSS__DICTIONARY_UNCAMELIZE[ str ] ) return uncamelized;
  39         uncamelized = '';
  40         for( i = 0, l = str.length; i < l; ++i ){
  41                 chr = str.charAt( i );
  42                 code = chr.charCodeAt( 0 );
  43                 uncamelized += ( A <= code && code <= Z ) ? '-' + chr : chr;
  44         };
  45         return X_Node_CSS__DICTIONARY_UNCAMELIZE[ str ] = uncamelized.toLowerCase();
  46 };
  47
  48 var
  49
  50         X_Node_CSS_getComputedStyle       = window.getComputedStyle || document.defaultView && document.defaultView.getComputedStyle,
  51
  52                 /* font-size -> fontSize */
  53         X_Node_CSS__DICTIONARY_CAMELIZE   = {},
  54
  55                 /* fontSize -> font-size */
  56         X_Node_CSS_CHAR_CODE_A            = 'A'.charCodeAt( 0 ),
  57
  58         X_Node_CSS__DICTIONARY_UNCAMELIZE = {},
  59
  60 /*
  61  * CSS における display, position, float プロパティの相互関係
  62  * http://d.hatena.ne.jp/elm200/20080201/1201874740
  63  *
  64  * CSS21:9.7 Relationships between ’display’, ’position’, and ’float’
  65  * http://www.w3.org/TR/CSS21/visuren.html#dis-pos-flo
  66  *
  67  *   display:none? -yes-> 非表示
  68  *    ↓
  69  *   position:absolute? -yes-> float:none,display:block;
  70  *    ↓
  71  *   float:none? -no-> display:block;
  72  *    ↓
  73  *   display:そのまま
  74  *
  75  *
  76 display         position                        float
  77 block           static|relative         none
  78 block           static|relative         right|left
  79 block           absolute                        none
  80 inline          static|relative         none
  81
  82 _DISPLAY_NONE
  83 _ABSOLUTE_BOX
  84 _FLOAT_BOX
  85 _GRNERAL
  86  */
  87         X_Node_CSS_VENDER_PREFIX          = {},
  88
  89         X_Node_CSS__CLIP_SEPARATOR        = X_UA[ 'IE' ] < 8 ? ' ' : ',',
  90
  91         X_Node_CSS__UNIT_RATIO            = {},
  92         X_Node_CSS__FONT_SIZE_RATIO       = {},
  93
  94         //  https://developer.mozilla.org/en-US/docs/Web/CSS/transform
  95         //  Firefox 3.5, ie9, Opera 10.5, Safari 3.1, Chrome
  96         //  3D support Firefox 10, ie10, Safari 4.0, Chrome 12.0
  97         // transform : void 0,
  98
  99         //  https://developer.mozilla.org/ja/docs/Web/Guide/CSS/Using_CSS_transitions
 100         //  Chrome 1.0, Firefox 4.0, ie10, Opera 10.5, Safari 3.2
 101         //  Android 2.1, Firefox Android 4.0, Opera Mobile 10, Safari Mobile 3.2
 102         // transition : void 0
 103
 104         // ブラウザ毎の getComputedStyle の戻り値 http://d.hatena.ne.jp/uupaa/20080928/1222543331
 105
 106         X_Node_CSS_COLOR = {
 107                 'BLACK'         : 0x0,
 108                 'RED'           : 0xFF0000,
 109                 'LIME'          : 0x00FF00,
 110                 'BLUE'          : 0x0000FF,
 111                 'YELLOW'        : 0xFFFF00,
 112                 'AQUA'          : 0x00FFFF,
 113                 'CYAN'          : 0x00FFFF,
 114                 'MAGENTA'       : 0xFF00FF,
 115                 'FUCHSIA'       : 0xFF00FF,
 116                 'WHITE'         : 0xFFFFFF,
 117                 'GREEN'         : 0x008000,
 118                 'PURPLE'        : 0x800080,
 119                 'MAROON'        : 0x800000,
 120                 'NAVY'          : 0x000080,
 121                 'OLIVE'         : 0x808000,
 122                 'TEAL'          : 0x008080,
 123                 'GRAY'          : 0x808080,
 124                 'SILVER'        : 0xC0C0C0,
 125                 'DIMGRAY'       : 0x696969,
 126                 'SLATEGRAY'     : 0x708090,
 127                 'DARKGRAY'      : 0xA9A9A9,
 128                 'GAINSBORO'     : 0xDCDCDC,
 129                 'MIDNIGHTBLUE'  : 0x191970,
 130                 'SLATEBLUE'     : 0x6A5ACD,
 131                 'MEDIUMBLUE'    : 0x0000CD,
 132                 'ROYALBLUE'     : 0x4169E1,
 133                 'DODGERBLUE'    : 0x1E90FF,
 134                 'SKYBLUE'       : 0x87CEEB,
 135                 'STEELBLUE'     : 0x4682B4,
 136                 'LIGHTBLUE'     : 0xADD8E6,
 137                 'PALETURQUOISE' : 0xAFEEEE,
 138                 'TURQUOISE'     : 0x40E0D0,
 139                 'LIGHTCYAN'     : 0xE0FFFF,
 140                 'AQUAMARINE'    : 0x7FFFD4,
 141                 'DARKGREEN'     : 0x006400,
 142                 'SEAGREEN'      : 0x2E8B57,
 143                 'LIGHTGREEN'    : 0x90EE90,
 144                 'CHARTREUSE'    : 0x7FFF00,
 145                 'GREENYELLOW'   : 0xADFF2F,
 146                 'LIMEGREEN'     : 0x32CD32,
 147                 'YELLOWGREEN'   : 0x9ACD32,
 148                 'OLIVEDRAB'     : 0x6B8E23,
 149                 'DARKKHAKI'     : 0xBCB76B,
 150                 'PALEGOLDENROD' : 0xEEE8AA,
 151                 'LIGHTYELLOW'   : 0xFFFFE0,
 152                 'GOLD'          : 0xFFD700,
 153                 'GOLDENROD'     : 0xDAA520,
 154                 'DARKGOLDENROD' : 0xB8860B,
 155                 'ROSYBROWN'     : 0xBC8F8F,
 156                 'INDIANRED'     : 0xCD5C5C,
 157                 'SADDLEBROWN'   : 0x8B4513,
 158                 'SIENNA'        : 0xA0522D,
 159                 'PERU'          : 0xCD853F,
 160                 'BURLYWOOD'     : 0xDEB887,
 161                 'BEIGE'         : 0xF5F5DC,
 162                 'WHEAT'         : 0xF5DEB3,
 163                 'SANDYBROWN'    : 0xF4A460,
 164                 'TAN'           : 0xD2B48C,
 165                 'CHOCOLATE'     : 0xD2691E,
 166                 'FIREBRICK'     : 0xB22222,
 167                 'BROWN'         : 0xA52A2A,
 168                 'SALMON'        : 0xFA8072,
 169                 'ORANGE'        : 0xFFA500,
 170                 'CORAL'         : 0xFF7F50,
 171                 'TOMATO'        : 0xFF6347,
 172                 'HOTPINK'       : 0xFF69B4,
 173                 'PINK'          : 0xFFC0CB,
 174                 'DEEPPINK'      : 0xFF1493,
 175                 'PALEVIOLETRED' : 0xDB7093,
 176                 'VIOLET'        : 0xEE82EE,
 177                 'PLUM'          : 0xDDA0DD,
 178                 'ORCHILD'       : 0xDA70D6,
 179                 'DARKVIOLET'    : 0x9400D3,
 180                 'BLUEVIOLET'    : 0x8A2BE2,
 181                 'MEDIUMPURPLE'  : 0x9370DB,
 182                 'THISTLE'       : 0xD8BFD8,
 183                 'LAVENDER'      : 0xE6E6FA,
 184                 'MISTYROSE'     : 0xFFE4E1,
 185                 'IVORY'         : 0xFFFFF0,
 186                 'LEMONCHIFFON'  : 0xFFFACD
 187         };
 188
 189 function X_Node_CSS_parseColor( x ){
 190         var rgb, r, g, b;
 191
 192         if( X_Type_isNumber( x ) ){
 193                 return ( 0x0 <= x && x <= 0xFFFFFF ) ? x : NaN;
 194         } else
 195         if( !X_Type_isString( x ) ) return;
 196
 197         if( X_Type_isNumber( rgb = X_Node_CSS_COLOR[ x.toUpperCase() ] ) && 0x0 <= rgb && rgb <= 0xFFFFFF ){
 198                 return rgb;
 199         } else
 200         if( x.charAt( 0 ) === '#' ){
 201                 switch( x.length ){
 202                         case 7 :
 203                                 r = parseInt( x.substr( 1, 2 ), 16 );
 204                                 g = parseInt( x.substr( 3, 2 ), 16 );
 205                                 b = parseInt( x.substr( 5, 2 ), 16 );
 206                                 break;
 207                         case 4 :
 208                                 r = parseInt( x.charAt( 1 ) + x.charAt( 1 ), 16 );
 209                                 g = parseInt( x.charAt( 2 ) + x.charAt( 2 ), 16 );
 210                                 b = parseInt( x.charAt( 3 ) + x.charAt( 3 ), 16 );
 211                                 break;
 212                         case 2 :
 213                                 r = g = b = parseInt( x.charAt( 1 ) + x.charAt( 1 ), 16 );
 214                                 break;
 215                         default :
 216                                 return;
 217                 };
 218         } else
 219         if( x.indexOf( 'rgb(' ) === 0 ){
 220                 rgb = x.substr( 4 ).split( ',' );
 221                 r = parseFloat( rgb[ 0 ] );
 222                 g = parseFloat( rgb[ 1 ] );
 223                 b = parseFloat( rgb[ 2 ] );
 224                 if( x.indexOf( '%' ) !== -1 ){
 225                         r *= 2.55;
 226                         g *= 2.55;
 227                         b *= 2.55;
 228                 };
 229         } else
 230         if( x.indexOf( 'rgba(' ) === 0 ){
 231                 rgb = x.substr( 5 ).split( ',' );
 232                 r = parseFloat( rgb[ 0 ] );
 233                 g = parseFloat( rgb[ 1 ] );
 234                 b = parseFloat( rgb[ 2 ] );
 235                 //a = parseFloat( rgb[ 3 ] );
 236                 if( x.indexOf( '%' ) !== -1 ){
 237                         r *= 2.55;
 238                         g *= 2.55;
 239                         b *= 2.55;
 240                 };
 241         } else {
 242                 return NaN;
 243         };
 244         return X_Type_isFinite( r + b + g ) ? ( r << 16 ) + ( g << 8 ) + b : NaN;
 245 };
 246
 247 function X_Node_CSS_objToCssText( that, skipFilter ){
 248         var obj   = that[ '_css' ],
 249                 //plain = X_EMPTY_OBJECT,
 250                 css   = [],
 251                 n     = -1,
 252                 p, v, specialFix, filterFix;
 253
 254         that[ '_flags' ] &= ~X_NodeFlags_OLD_CSSTEXT;
 255
 256         if( !obj ){ // Opera7.5 未満?
 257                 delete that[ '_cssText' ];
 258                 return '';
 259         };
 260
 261         for( p in obj ){
 262                 // object の拡張に備えて plain なオブジェクトを用意し、そのメンバーと一致するものは処理の対象外。
 263                 //if( plain[ p ] ) continue;
 264
 265                 v = obj[ p ];
 266
 267                 p = X_Node_CSS_uncamelize( X_Node_CSS_VENDER_PREFIX[ p ] || p );
 268
 269                 if( specialFix = X_Node_CSS_SPECIAL_FIX_PROP[ p ] ){
 270                         css[ ++n ] = p + ':' + specialFix( v );
 271                 } else
 272                 if( X_Node_CSS_FILTER_FIX_PROPS && X_Node_CSS_FILTER_FIX_PROPS[ p ] ){
 273                         ( filterFix || ( filterFix = {} ) )[ p ] = v;
 274                 } else {
 275                         css[ ++n ] = p + ':' + v;
 276                 };
 277         };
 278
 279         if( filterFix ){
 280                 v = X_Node_CSS_objToIEFilterText( that, filterFix /* , css */ );
 281                 if( v ){
 282                         css[ ++n /* css.length */ ] = 'filter:' + v;
 283                 };
 284                 skipFilter = skipFilter && v;
 285         } else {
 286                 skipFilter = false;
 287         };
 288
 289         if( 0 <= n ){
 290                 // cssText には完全なものを控えるが、戻すのは filter を抜いたもの
 291                 that[ '_cssText' ] = css.join( ';' );
 292                 if( skipFilter ){
 293                         --css.length;
 294                         return css.join( ';' );
 295                 };
 296                 return that[ '_cssText' ];
 297         };
 298         delete that[ '_cssText' ];
 299         return '';
 300 };
 301
 302 var
 303 X_Node_CSS_FILTER_FIX_PROPS =
 304         X_UA[ 'ActiveX' ] && X_UA[ 'IE' ] < 9 ?
 305                 {
 306                         'opacity'     : 2,
 307                         'boxShadow'   : 3,
 308                         'textShadow'  : 4,
 309                         'transform'   : 5,
 310                         'dxtransform' : 7 // X.NodeAnime で使用
 311                 } :
 312         X_UA[ 'ActiveX' ] && X_UA[ 'IE9' ] ? // == 9
 313                 {
 314                         'textShadow' : 4
 315                 } :
 316                 null;
 317
 318 function X_Node_CSS_objToIEFilterText( that, opt_css, opt_cssList ){
 319         var obj     = opt_css || that[ '_css' ],
 320                 test    = X_Node_CSS_FILTER_FIX_PROPS,
 321                 filters = [],
 322                 n       = -1,
 323                 p, id, v, num, vu, u, _v, ary, params, i, l, dir,
 324                 afterUpdate, impossible, color;
 325
 326         for( p in obj ){
 327                 //if( X_EMPTY_OBJECT[ p ] ) continue;
 328
 329                 if( !( id = test[ p ] ) ) continue;
 330                 v = obj[ p ];
 331
 332                 switch( id ){
 333                         case 1 : //'filter' :
 334                                 filters[ ++n ] = v;
 335                                 break;
 336                         case 2 : //'opacity' :
 337                                 //if( v === 0 ){
 338                                 //      opt_cssList && ( opt_cssList[ opt_cssList.length ] = 'visibility:hidden' );
 339                                 //} else
 340                                 if( v < 1 ) filters[ ++n ] = 'alpha(opacity=' + ( v * 100 | 0 ) +')';
 341                                 break;
 342                         case 3 : //'boxShadow' :
 343                                 // TODO カンマ区切りの複数指定
 344                                 // box-shadow: 10px 10px 10px 10px rgba(0,0,0,0.4) inset;
 345                                 // スペース区切りで、水平方向の距離 垂直方向の距離 ぼかし距離 広がり距離 影の色 insetキーワードを指定する。 ぼかし距離 広がり距離 影の色 insetキーワードは省略可
 346                                 // https://developer.mozilla.org/ja/docs/Web/CSS/box-shadow
 347                                 // <length> に絶対値は不可? <color> 省略した場合は、文字の色が使われる（webkit以外）
 348                                 // shadow(color=#cccccc, strength=10, direction=135);
 349                                 ary = v.split( ' ' );
 350                                 params = [ 0, 0, 0, 0 ]; // offset-x, offset-y, blur-radius, spread-radius
 351                                 for( i = 0, l = ary.length; i < l; ++i ){
 352                                         v = ary[ i ];
 353                                         num = i < 4 && parsetFloat( v );
 354
 355                                         if( num === num ){
 356                                                 vu = X_Node_CSS__splitValueAndUnit( v );
 357                                                 v  = vu[ 0 ];
 358                                                 u  = vu[ 1 ];
 359                                                 if( v ){
 360                                                         if( _v = X_Node_CSS__UNIT_RATIO[ u ] ){
 361                                                                 params[ i ] = v / _v;
 362                                                         } else {
 363                                                                 switch( u ){
 364                                                                         case 'px' :
 365                                                                                 params[ i ] = v;
 366                                                                                 break;
 367                                                                         case 'em' :
 368                                                                                 if( X_Node_updateTimerID ){
 369                                                                                         afterUpdate = true;
 370                                                                                 } else {
 371                                                                                         params[ i ] = X_Node_CSS_getCharSize( that ) * v;
 372                                                                                 };
 373                                                                         default :
 374                                                                                 params[ i ] = 0;
 375                                                                                 break;
 376                                                                 };
 377                                                         };
 378                                                 } else {
 379                                                         params[ i ] = 0;
 380                                                 };
 381                                         } else
 382                                         if( v.charAt( 0 ) === '#' || v.indexOf( 'rgb' ) === 0 || X_Node_CSS_COLOR[ v.toUpperCase() ] ){
 383                                                 v = X_Node_CSS_parseColor( v );
 384                                                 if( 0 <= v && v < 0x100000 ){
 385                                                         color = '00000' + v.toString( 16 );
 386                                                         color = '#' + color.substr( color.length - 6 );
 387                                                 } else
 388                                                 if( v ){
 389                                                         color = '#' + v.toString( 16 );
 390                                                 };
 391                                         } else
 392                                         if( v === 'inset' ){
 393                                                 impossible = true;
 394                                         } else {
 395                                                 // unknown
 396                                         };
 397                                 };
 398                                 if( impossible || !color ){
 399                                         break;
 400                                 };
 401                                 if( afterUpdate ){
 402                                         // AFTER_UPDATE 時に 再計算
 403                                         X_ViewPort[ 'listenOnce' ]( X_EVENT_AFTER_UPDATE, that, X_Node_CSS_onAfterUpdateForIEFilterFix );
 404                                         break;
 405                                 };
 406                                 dir = X_Node_CSS_ieMathRangeFix( Math.atan2( params[ 1 ] + params[ 3 ], params[ 0 ] + params[ 3 ] ) * 180 / Math.PI + 90 );
 407                                 filters[ ++n ] = 'shadow(color=' + color + ',strength=' + params[ 3 ] + ',direction=' + ( dir | 0 ) + ')';
 408                                 break;
 409                         case 4 : //'textShadow' :
 410                                 //text-shadow: 5px 5px 2px blue; 水平方向の距離 垂直方向の距離 影のぼかし半径 影の色 none
 411                                 //glow(Color=yellow,Strength=10);
 412                                 //どうやらCSSのbackgroundプロパティと同時に使えないようです。
 413                                 break;
 414                         case 6 : //'backgroundImage' :
 415                                 //
 416                                 break;
 417
 418                         case 5 : // transform scale, matrix
 419                                 break;
 420                         case 7 : // dxtransform
 421                                 that[ '_flags' ] |= X_NodeFlags_IE_FILTER_FIX_AFTER;
 422                                 break;
 423                 };
 424         };
 425         return filters.join( ' ' );
 426 };
 427
 428
 429         //0 ～ 360の範囲に収める.
 430         function X_Node_CSS_ieMathRangeFix( a ){
 431                 a %= 360;
 432                 return a < 0 ? 360 + a : a;
 433         };
 434
 435 /*
 436  * http://p2b.jp/200912-CSS3-Transform-for-IE8
 437  * http://rtilabs.rti-giken.jp/files/2011_09_16/rotate.html
 438  */
 439         function X_Node_CSS_IETransform( elm, params ){
 440                 var PI_180 = Math.PI / 180,
 441
 442                         rotate = X_Node_CSS_ieMathRangeFix( params[ 2 ] ),//回転
 443                         radian = rotate * PI_180,
 444                         cosX   = Math.cos( radian ),
 445                         sinY   = Math.sin( radian ),
 446
 447                         skewX  = X_Node_CSS_ieMathRangeFix( params[ 3 ] ), //skew
 448                         skewY  = X_Node_CSS_ieMathRangeFix( params[ 4 ] ),
 449
 450                         _skX   = Math.tan( skewX * PI_180 ),
 451                         _skY   = Math.tan( skewY * PI_180 ),
 452
 453                         scaleX = params[ 5 ], //拡大
 454                         scaleY = params[ 6 ],
 455
 456                         m11    = cosX * scaleX,
 457                         m12    = ( -sinY + _skX ) * scaleX,
 458                         m21    = (  sinY + _skY ) * scaleY,
 459                         m22    = cosX * scaleY,
 460
 461                         //absolute時には軸を補正してあげないとだめだ。
 462                         //ブラウザとして軸がずれている。
 463                         //計算式元ネタ http://p2b.jp/200912-CSS3-Transform-for-IE8
 464
 465                         //offset*系のサイズは回転によって生じたゆがみも考慮されるらしい。
 466
 467                         //拡大縮小も同じ.
 468                         //this.get(0).style.width や height には拡縮の影響を受けない元の数字が入っている
 469                         ow = elm.offsetWidth,
 470                         oh = elm.offsetHeight,
 471
 472                         absCosX = Math.abs( cosX ),
 473                         absSinY = Math.abs( sinY ),
 474
 475                                 //回転の補正
 476                         dx = ( ow - ( ow * absCosX + oh * absSinY ) ) / 2
 477                                 //skewの補正(rotate しながらskew すると補正がおかしくなります。 これがわからない)
 478                                  - ow / 2 * _skX
 479                                 //拡大の補正
 480                                  - ( ( ow * scaleX - ow ) / 2 | 0 )
 481                                 // x
 482                                  + params[ 0 ],
 483                         dy = ( oh - ( ow * absSinY + oh * absCosX ) ) / 2
 484                                 //skewの補正(
 485                                  - oh / 2 * _skY
 486                                 //拡大の補正
 487                                  - ( ( oh * scaleY - oh ) / 2 | 0 )
 488                                 // y
 489                                  + params[ 1 ];
 490
 491                 //console.log( ow +  ' ' + oh )
 492                 elm.style[ params[ 7 ] ] = dx + 'px'; // left or right
 493                 elm.style[ params[ 8 ] ] = dy + 'px'; // top  or bottom
 494
 495                 //フィルターで回転と拡大縮小を加えます。
 496                 return 'progid:DXImageTransform.Microsoft.Matrix(' +
 497                                                                 // 'Dx='  + dx +
 498                                                                 //',Dy='  + dy +
 499                                                                  'M11=' + m11 +
 500                                                                 ',M12=' + m12 +
 501                                                                 ',M21=' + m21 +
 502                                                                 ',M22=' + m22 +
 503                                                                 ',FilterType="bilinear",sizingMethod="auto expand")';
 504         };
 505
 506 function X_Node_CSS_onAfterUpdateIEFilterFix( that ){
 507         var PI_180 = Math.PI / 180,
 508                 test   = X_Node_CSS_FILTER_FIX_PROPS,
 509                 css    = that[ '_css' ],
 510                 elm    = that[ '_rawObject' ],
 511                 filter = elm.style.filter || '',
 512                 origin = filter,
 513                 p, v, plus, id;
 514
 515         for( p in css ){
 516                 if( !( id = test[ p ] ) ) continue;
 517                 plus = 0;
 518                 switch( id ){
 519                         case 7 : // dxtransform
 520                                 plus = X_Node_CSS_IETransform( elm, css[ p ] );
 521                                 break;
 522                         default :
 523                                 continue;
 524                 };
 525                 if( plus ) filter += ( filter ? ' ' : '' ) + plus;
 526         };
 527         if( filter !== origin ) elm.style.filter = filter;
 528 };
 529
 530
 531 function X_Node_CSS_onAfterUpdateForIEFilterFix(){
 532         if( this[ '_flags' ] & X_NodeFlags_IN_TREE ){ // 要素があり、要素がツリーに属している
 533                 this[ '_flags' ] |= X_NodeFlags_DIRTY_IE_FILTER;
 534                 X_Node_reserveUpdate();
 535         };
 536 };
 537
 538
 539         /*
 540          * http://css-eblog.com/ie-css-problems/rgba-pe.html
 541          * ie67 では rgb() は background-color で反応しない、、、
 542          */
 543
 544 var
 545 X_Node_CSS_UNIT = {
 546                 'px'   : 0,
 547                 'em'   : 1,
 548                 // ex, rem, vh, vw, vmin, vmax
 549                 'cm'   : 2,
 550                 'mm'   : 3,
 551                 'in'   : 4,
 552                 // pt, pc, mozmm
 553                 '%'    : 5,
 554                 'pct'  : 5,
 555                 'ms'   : 6,
 556                 's'    : 7,
 557                 '#'    : 8,
 558                 'rgb'  : 9,
 559                 'rgba' : 10
 560 };
 561
 562 /*
 563  * .2, -.1 といったケースに対処
 564  *
 565  */
 566 function X_Node_CSS__splitValueAndUnit( v ){
 567         var num, _num, u;
 568         if( X_Type_isNumber( v ) ) return [ v || 0, '' ];
 569         num = parseFloat( v );
 570         if( num !== num ) return [ 0, '' ];
 571         _num = '' + num;
 572         if(  0 < num && num < 1 && v.charAt( 0 ) === '.' ) _num = _num.slice( 1 );
 573         if( -1 < num && num < 0 && v.charAt( 1 ) === '.' ) _num = '-.' + _num.substr( 2 );
 574         u = v.substr( v.indexOf( _num ) + _num.length );
 575         return [ num, X_Node_CSS_UNIT[ u ] ? u : 'px' ];
 576 };
 577                 /*
 578                 (function( obj ){
 579                         var test    = X_Node_CSS_SPECIAL_FIX_PROP,
 580                                 ret = [], p, id, v, bgpX, bgpY, clipT, clipB, clipL, clipR;
 581                         for( p in obj ){
 582                                 if( !( id = test[ p ] ) ) continue;
 583                                 v = obj[ p ];
 584                                 switch( id ){
 585                                         case 1 : //'backgroundPositionX' :
 586                                                 bgpX = v;
 587                                                 break;
 588                                         case 2 : //'backgroundPositionY' :
 589                                                 bgpY = v;
 590                                                 break;
 591                                         case 3 : //'clipTop' :
 592                                                 clipT = v;
 593                                                 break;
 594                                         case 4 : //'clipBottom' :
 595                                                 clipB = v;
 596                                                 break;
 597                                         case 5 : //'clipLeft' :
 598                                                 clipL = v;
 599                                                 break;
 600                                         case 6 : //'clipRight' :
 601                                                 clipR = v;
 602                                                 break;
 603                                 };
 604                         };
 605                         if( bgpX || bgpY ) ret[ ret.length ] = 'background-position:';
 606                         if( clipT || clipB || clipL || clipR ){
 607                                 ret[ ret.length ] = 'clip:rect(';
 608                         };
 609                         return ret.join( ';' );
 610                 }); */
 611
 612
 613
 614
 615 // export
 616 // name getter
 617 // unitID, name 単位指定のプロパティ取得 geter
 618 // obj setter
 619 // name, value setter
 620 /**
 621  * style の getter と setter。
 622  * @alias Node.prototype.css
 623  * @param {string|object} [nameOrObj] style 名、または追加する style のハッシュ
 624  * @param {string|number} [value=] style の値
 625  * @return {Node|string|number} getter の場合は値を、setter の場合は自身を返す。(メソッドチェーン)
 626  * @example // getter
 627  * node.css( 'color' );
 628  * // setter - 1
 629  * node.css( { width : w + 'px', height : h + 'px' } );
 630  * // setter - 2
 631  * node.css( 'color', 0x666666 );
 632  */
 633 function X_Node_css( nameOrObj /* value */ ){
 634         var args = arguments,
 635                 css  = this[ '_css' ],
 636                 p, name, v, plain, camelize, flags;
 637
 638         if( !this[ '_tag' ] || X_Dom_DTD_MOVE_TO_HEAD[ this[ '_tag' ] ] || this[ '_tag' ] === 'SCRIPT' ) return this;
 639 // setter:object
 640         if( X_Type_isObject( nameOrObj ) ){
 641                 if( !css ) css = this[ '_css' ] = {};
 642                 //plain    = X_EMPTY_OBJECT;
 643                 camelize = X_Node_CSS_camelize;
 644                 flags    = this[ '_flags' ];
 645                 for( p in nameOrObj ){
 646                         //if( plain[ p ] ) continue;
 647                         name = camelize( p );
 648                         v    = nameOrObj[ p ];
 649                         if( css[ name ] === v ) continue;
 650                         flags = X_Node_CSS_setStyle( css, flags, name, v );
 651                 };
 652                 flags |= X_NodeFlags_DIRTY_CSS | X_NodeFlags_OLD_CSSTEXT;
 653                 this[ '_flags' ] = flags;
 654                 flags & X_NodeFlags_IN_TREE && X_Node_reserveUpdate();
 655                 delete this[ '_cssText' ];
 656                 return this;
 657         } else
 658         if( 1 < args.length ){
 659 // setter name, value
 660                 if( !css ) css = this[ '_css' ] = {};
 661                 name = X_Node_CSS_camelize( nameOrObj );
 662                 v    = args[ 1 ];
 663                 if( css[ name ] === v ) return this;
 664                 this[ '_flags' ] = X_Node_CSS_setStyle( css, this[ '_flags' ], name, v ) | X_NodeFlags_DIRTY_CSS | X_NodeFlags_OLD_CSSTEXT;
 665                 this[ '_flags' ] & X_NodeFlags_IN_TREE && X_Node_reserveUpdate();
 666                 delete this[ '_cssText' ];
 667                 return this;
 668         };
 669 // getter
 670         if( !css ) return;
 671         // TODO 集計 border, padding, margin, backgroundPosition, clip
 672         // TODO border で正確なデータを返せない時は、null を返す
 673         return css[ X_Node_CSS_camelize( nameOrObj ) ];
 674 };
 675
 676 function X_Node_CSS_setStyle( css, flags, name, newValue ){
 677
 678         if( X_Node_CSS_FILTER_FIX_PROPS && X_Node_CSS_FILTER_FIX_PROPS[ name ] ){
 679                 flags |= X_NodeFlags_DIRTY_IE_FILTER;
 680         };
 681         if( !newValue && newValue !== 0 ){
 682                 delete css[ name ];
 683         } else {
 684                 css[ name ] = newValue;
 685         };
 686
 687         switch( name ){
 688                 case 'display' :
 689                         console.log( newValue );
 690                         newValue === 'none' ? ( flags |= X_NodeFlags_STYLE_IS_DISPLAY_NONE ) : ( flags &= ~X_NodeFlags_STYLE_IS_DISPLAY_NONE );
 691                         return flags;
 692
 693                 case 'visibility' :
 694                         // すでに opacity:0 で invisible
 695                         if( flags & X_NodeFlags_STYLE_IS_INVISIBLE && css[ 'opacity' ] == 0 ) return flags;
 696                         newValue === 'hidden' ? ( flags |= X_NodeFlags_STYLE_IS_INVISIBLE ) : ( flags &= ~X_NodeFlags_STYLE_IS_INVISIBLE );
 697                         return flags;
 698
 699                 case 'opacity' :
 700                         flags |= X_NodeFlags_IE8_OPACITY_FIX;
 701                         // すでに visibility:hidden で invisible
 702                         if( flags & X_NodeFlags_STYLE_IS_INVISIBLE && css[ 'visibility' ] === 'hidden' ) return flags;
 703                         newValue == 0 ? // 0 or "0"
 704                                 ( flags |= X_NodeFlags_STYLE_IS_INVISIBLE ) : ( flags &= ~X_NodeFlags_STYLE_IS_INVISIBLE );
 705                         return flags;
 706
 707                 case 'overflow' :
 708                         newValue === 'hidden' ? ( flags |= X_NodeFlags_STYLE_IS_NO_OVERFLOW ) : ( flags &= ~X_NodeFlags_STYLE_IS_NO_OVERFLOW );
 709                         return flags;
 710
 711                 case 'position' :
 712                         newValue === 'absolute' ? ( flags |= X_NodeFlags_STYLE_IS_POS_ABSOLUTE ) : ( flags &= ~X_NodeFlags_STYLE_IS_POS_ABSOLUTE );
 713                         return flags;
 714
 715                 case 'width'    :
 716                         newValue = X_Node_CSS__splitValueAndUnit( newValue );
 717                         if( newValue[ 1 ] !== '%' ){
 718                                 flags |= X_NodeFlags_STYLE_IS_WIDTH_LENGTH;
 719                                 flags &= ~X_NodeFlags_STYLE_IS_WIDTH_PCT;
 720                         } else {
 721                                 flags &= ~X_NodeFlags_STYLE_IS_WIDTH_LENGTH;
 722                                 flags |= X_NodeFlags_STYLE_IS_WIDTH_PCT;
 723                         };
 724                         return flags;
 725
 726                 case 'height'   :
 727                         newValue = X_Node_CSS__splitValueAndUnit( newValue );
 728                         if( newValue[ 1 ] !== '%' ){
 729                                 flags |= X_NodeFlags_STYLE_IS_HEIGHT_LENGTH;
 730                                 flags &= ~X_NodeFlags_STYLE_IS_HEIGHT_PCT;
 731                         } else {
 732                                 flags &= ~X_NodeFlags_STYLE_IS_HEIGHT_LENGTH;
 733                                 flags |= X_NodeFlags_STYLE_IS_HEIGHT_PCT;
 734                         };
 735                         return flags;
 736
 737                 case 'fontSize' :
 738
 739         };
 740         return flags;
 741 };
 742
 743 /**
 744  * cssText の getter と setter。setter の場合 css と異なり全ての style が書き変わる。
 745  * @alias Node.prototype.cssText
 746  * @param {string=} v cssText 文字列名
 747  * @return {Node|string} getter の場合は cssText 文字列を、setter の場合は自身を返す。(メソッドチェーン)
 748  * @example // getter
 749  * node.cssText();
 750  * // setter
 751  * node.cssText('color:red;width:20px');
 752  */
 753 function X_Node_cssText( v ){
 754         var obj, i, l, attr, name;
 755
 756         if( v === this[ '_cssText' ] && ( ( this[ '_flags' ] & X_NodeFlags_OLD_CSSTEXT ) === 0 ) ){
 757                 return this;
 758         };
 759
 760         if( v === '' ){
 761                 delete this[ '_css' ];
 762                 delete this[ '_cssText' ];
 763                 this[ '_flags' ] |= X_NodeFlags_DIRTY_CSS | X_NodeFlags_DIRTY_IE_FILTER;
 764                 this[ '_flags' ] &= ~X_NodeFlags_OLD_CSSTEXT;
 765                 this[ '_flags' ] & X_NodeFlags_IN_TREE && X_Node_reserveUpdate();
 766                 return this;
 767         } else
 768         if( X_Type_isString( v ) ){
 769                 delete this[ '_css' ];
 770                 obj = {};
 771                 v   = v.split( ';' ); // TODO content ";" などにも対応 <- 不要 :before :after 疑似要素には触らない
 772                 for( i = 0, l = v.length; i < l; ++i ){
 773                         attr = v[ i ].split( ':' );
 774                         ( name = attr[ 0 ] ) && ( obj[ name ] = attr[ 1 ] || true );
 775                 };
 776                 return this[ 'css' ]( obj );
 777         };
 778         // getter
 779         this[ '_flags' ] & X_NodeFlags_OLD_CSSTEXT && X_Node_CSS_objToCssText( this );
 780         return this[ '_cssText' ];
 781 };
 782
 783 /*
 784  * ここでは HTMLElement のチ1ェックは行わない！ <- 行う！
 785  * TODO
 786  * body に css attr がセットされた場合には X_ViewPort_baseFontSize をクリア
 787  * class, id, attr(<font size><basefont>) の変更があった場合は、変更の適用の後、charSize を取得
 788  * css の場合は、計算で求めることが可能、content は影響しない
 789  * :hover, #target, が絡む場合、正しく扱えない
 790  */
 791 var
 792 X_Node_CSS_getCharSize =
 793         X_Node_CSS_getComputedStyle ?
 794                 (function( that ){
 795                         X_Node_updateTimerID && X_Node_startUpdate();
 796                         if( that === X_Node_body && X_ViewPort_baseFontSize ) return X_ViewPort_baseFontSize;
 797                         if( that[ '_fontSize' ] ) return that[ '_fontSize' ];
 798                         return that[ '_fontSize' ] = that[ '_rawObject' ] ? parseFloat( X_Node_CSS_getComputedStyle( that[ '_rawObject' ], null ).fontSize ) : 0;
 799                 }) :
 800
 801         5 <= X_UA[ 'IE' ] ?
 802                 (function( that ){
 803                         var font, vu, v, u, _v;
 804
 805                         X_Node_updateTimerID && X_Node_startUpdate();
 806                         if( that === X_Node_body && X_ViewPort_baseFontSize ) return X_ViewPort_baseFontSize;
 807                         if( that[ '_fontSize' ] ) return that[ '_fontSize' ];
 808
 809                         font = that[ '_rawObject' ].currentStyle.fontSize;
 810                         //font = that[ '_css' ] && that[ '_css' ].fontSize || '1em';
 811                         vu   = X_Node_CSS__splitValueAndUnit( font );
 812                         v    = vu[ 0 ];
 813                         u    = vu[ 1 ];
 814
 815                         if( v === 0 ){
 816                                 if( v = X_Node_CSS__FONT_SIZE_RATIO[ font ] ) return that[ '_fontSize' ] = v;
 817                         } else {
 818                                 if( _v = X_Node_CSS__UNIT_RATIO[ u ] ) return that[ '_fontSize' ] = v / _v;
 819                         };
 820                         switch( u ){
 821                                 case 'px' :
 822                                         return that[ '_fontSize' ] = v;
 823                                 case 'em' :
 824                                 // body まで辿ってしまった場合は？
 825                                         if( that.parent ) return that[ '_fontSize' ] = X_Node_CSS_getCharSize( that.parent ) * v;
 826                                         break;
 827                                 case '%' :
 828                                 // body まで辿ってしまった場合は？
 829                                         if( that.parent ) return that[ '_fontSize' ] = X_Node_CSS_getCharSize( that.parent ) * v / 100;
 830                         };
 831                         return 0;
 832                 }) :
 833         X_UA_DOM.W3C ?
 834                 (function( that ){
 835                         var elm, v;
 836                         X_Node_updateTimerID && X_Node_startUpdate();
 837                         if( that === X_Node_body && X_ViewPort_baseFontSize ) return X_ViewPort_baseFontSize;
 838                         if( that[ '_fontSize' ] ) return that[ '_fontSize' ];
 839
 840                         that[ '_rawObject' ].appendChild( elm = document.createElement( 'span' ) );
 841                         elm.style.cssText = 'display:block;position:absolute;top:0;left:0;visivility:hidden;line-height:1;height:1em;';
 842                         elm.innerHTML = 'X';
 843                         v = elm.offsetHeight;
 844                         that[ '_rawObject' ].removeChild( elm );
 845                         return that[ '_fontSize' ] = v;
 846                 }) :
 847         X_UA_DOM.IE4 ?
 848                 (function( that ){
 849                         var font, vu, v, u, _v, elm;
 850
 851                         X_Node_updateTimerID && X_Node_startUpdate();
 852                         if( that === X_Node_body && X_ViewPort_baseFontSize ) return X_ViewPort_baseFontSize;
 853                         if( that[ '_fontSize' ] ) return that[ '_fontSize' ];
 854
 855                         if( that[ '_css' ] && ( font = that[ '_css' ].fontSize ) ){
 856                                 vu = X_Node_CSS__splitValueAndUnit( font );
 857                                 v  = vu[ 0 ];
 858                                 u  = vu[ 1 ];
 859
 860                                 if( v === 0 ){
 861                                         if( _v = X_Node_CSS__FONT_SIZE_RATIO[ font ] ) return that[ '_fontSize' ] = _v;
 862                                 } else {
 863                                         if( _v = X_Node_CSS__UNIT_RATIO[ u ] ) return that[ '_fontSize' ] = v / _v;
 864                                 };
 865                         } else {
 866                                 // TODO 要素を生成して測定! ではなくて elm.style.fontSize が使えそう
 867                                 ( that[ '_rawObject' ] || X_Node__ie4getRawNode( that ) ).insertAdjacentHTML( 'BeforeEnd', '<div id="ie4charsize" style="position:absolute;top:0;left:0;visivility:hidden;line-height:1;height:1em;">X</div>' );
 868                                 elm = document.all[ 'ie4charsize' ];
 869                                 v = elm.offsetHeight;
 870                                 elm.removeAttribute( 'id' ); // ?
 871                                 elm.outerHTML = '';
 872                                 return that[ '_fontSize' ] = v;
 873                         };
 874
 875                         switch( u ){
 876                                 case 'px' :
 877                                         return that[ '_fontSize' ] = v;
 878                                 case 'em' :
 879                                 // body まで辿ってしまった場合は？
 880                                         if( that.parent ) return that[ '_fontSize' ] = X_Node_CSS_getCharSize( that.parent ) * v;
 881                                         break;
 882                                 case '%' :
 883                                 // body まで辿ってしまった場合は？
 884                                         if( that.parent ) return that[ '_fontSize' ] = X_Node_CSS_getCharSize( that.parent ) * v / 100;
 885                         };
 886                         return 0;
 887                 }) :
 888                 0;
 889
 890 var X_Node_CSS_Support = {},
 891
 892         X_Node_CSS_SPECIAL_FIX_PROP = {
 893
 894                 'transitionDuration' : X_UA[ 'Android' ] && !X_UA[ 'Chrome' ] && function( v ){ // bad Android
 895                                 return parseFloat( v ) === 0 ? '0.001s' : v;
 896                         }
 897
 898                 //webkit boxShadow <color> が省略された場合。transparent になるのを color に
 899                 //webkit boxShadow が border-radius をはみ出す, background-image に グラデーションのないグラデーション指定
 900                 // http://melty.koume.in/android-bug-boxshadow-radius/
 901
 902         };
 903
 904 /**
 905  * @namespace X.CSS
 906  */
 907 X[ 'CSS' ] = {
 908         /**
 909          * @alias X.CSS.VENDER_PREFIX
 910          */
 911         'VENDER_PREFIX' : X_Node_CSS_VENDER_PREFIX,
 912
 913         /**
 914          * @alias X.CSS.Support
 915          */
 916         'Support'       : X_Node_CSS_Support
 917 };
 918
 919 /*
 920  *                              backgroundPositionX : testStyle.backgroundPositionX === undefined ? 3 : 0,
 921                                 backgroundPosiitonY : testStyle.backgroundPositionX === undefined ? 3 : 0,
 922                                 clipTop             : testStyle.clipTop === undefined && testStyle[ 'clip-top' ] === undefined ? 3 : 0,
 923                                 clipBottom          : testStyle.clipTop === undefined && testStyle[ 'clip-top' ] === undefined ? 4 : 0,
 924                                 clipLeft            : testStyle.clipTop === undefined && testStyle[ 'clip-top' ] === undefined ? 5 : 0,
 925                                 clipRight           : testStyle.clipTop === undefined && testStyle[ 'clip-top' ] === undefined ? 6 : 0
 926  */
 927
 928 (function(){
 929         var testStyle = X_UA[ 'IE4' ] ? {} : ( /*document.documentElement ||*/ document.createElement( 'div' ) ).style,
 930                 temp      = testStyle.cssText,
 931                 vendors   = 'webkit,Webkit,Moz,moz,Ms,ms,O,o,khtml,Khtml'.split( ',' ),
 932                 searches  = (
 933                         'opacity,boxSizing,boxShadow,' +
 934                         'transform,transformOrigin,perspective,' +
 935                         'transisiton,transitionDelay,transitionProperty,transitionDuration,transitionTimingFunction,backfaceVisibility,willChange,filter,' +
 936                         'userSelect,touchSelect,touchAction,touchCallout,contentZooming,userDrag,tapHighlightColor' ).split( ',' ),
 937                 vendor, i, search, prop, j, v;
 938
 939         for( i = searches.length; i; ){
 940                 search = prop = searches[ --i ];
 941
 942                 if( testStyle[ prop ] === undefined ){
 943                         prop = prop.charAt( 0 ).toUpperCase() + prop.substr( 1 );
 944                         for( j = vendors.length; j; ){
 945                                 v = vendors[ --j ];
 946                                 if( testStyle[ v + prop ] !== undefined ){
 947                                         if( v === 'ms'/* && !( 10 <= X_UA[ 'IEHost' ] )*/ ) v = 'Ms';// for ie9, 但し ie11 のieには不要
 948                                         if( v === 'o' ) v = 'O';//for opera12
 949                                         X_Node_CSS_VENDER_PREFIX[ search ] = v + prop;
 950                                         break;
 951                                 };
 952                         };
 953                 } else {
 954                         X_Node_CSS_VENDER_PREFIX[ search ] = prop;
 955                 };
 956         };
 957
 958         testStyle.cssText = 'background:rgba(0,0,0,0.5);border-color:transparent';
 959 /**
 960  * 色指定に rgba() が使用できるか?
 961  * @alias X.CSS.Support.rgba
 962  * @type {boolean}
 963  */
 964         X_Node_CSS_Support[ 'rgba' ] = !!testStyle[ 'background' ];
 965
 966 /**
 967  * 色指定に transparent が使用できるか?
 968  * @alias X.CSS.Support.transparent
 969  * @type {boolean}
 970  */
 971         X_Node_CSS_Support[ 'transparent' ] = !!testStyle[ 'borderColor' ];
 972         // TODO border による三角形の可否
 973         // 2:完全、 1:透過に非対応(IE7-) 0:borderの描画が非標準で三角形が作れない
 974
 975         if( prop = X_Node_CSS_VENDER_PREFIX[ 'boxShadow' ] ){
 976
 977                 testStyle.cssText = X_Node_CSS_uncamelize( prop ) + ':0 0';
 978
 979                 /**
 980                  * boxShadow が使用できるか?
 981                  * chrome 1+, ff3.5(1.9.1), ie9+, opera10.5+, Safari3+(522)
 982                  * @alias X.CSS.Support.boxShadow
 983                  * @type {boolean}
 984                  */
 985                 X_Node_CSS_Support[ 'boxShadow' ] = !!testStyle[ prop ];
 986
 987                 testStyle.cssText = X_Node_CSS_uncamelize( prop ) + ':0 0, 0 0';
 988
 989                 /**
 990                  * boxShadow の複数指定が使用できるか?<br>
 991                  * chrome 4+, ff3.5(1.9.1), ie9+, opera10.5+, Safari5+(533)
 992                  * @alias X.CSS.Support.boxShadowMulti
 993                  * @type {boolean}
 994                  */
 995                 X_Node_CSS_Support[ 'boxShadowMulti' ] = !!testStyle[ prop ];
 996
 997                 testStyle.cssText = X_Node_CSS_uncamelize( prop ) + ':0 0 inset';
 998
 999                 /**
1000                  * https://developer.mozilla.org/ja/docs/Web/CSS/box-shadow<br>
1001                  * この値を用いる場合には、spread-radius を省略出来ません。box-shadow が効かないケースに遭遇した時はこの事を思い出して下さい。<br>
1002                  * chrome 4+, ff3.5(1.9.1), ie9+, opera10.5+, Safari5+(533)<br>
1003                  *
1004                  * http://unformedbuilding.com/articles/considerations-when-using-the-box-shadow/<br>
1005                  *  box-shadow:inset と border-radius を指定しているときの Google Chrome の表示<br>
1006                  *  このバグは Windows と Linux で発生するようです。<br>
1007                  *  Windows 版 Chrome 10.0.648.127 で修正されているのを確認しました。<br>
1008                  * @alias X.CSS.Support.boxShadowInset
1009                  * @type {boolean}
1010                  */
1011                 X_Node_CSS_Support[ 'boxShadowInset' ] = testStyle[ prop ] && testStyle[ prop ].indexOf( 'inset' ) !== -1;
1012
1013         };
1014
1015         testStyle.cssText = temp;
1016
1017 })();
1018
1019 X_ViewPort[ 'listenOnce' ]( X_EVENT_INIT, function(){
1020         var xnode  = X_Node_systemNode,
1021                 output = X_Node_CSS__UNIT_RATIO,
1022                 list   = 'cm,mm,in,pt,pc'.split( ',' ),
1023                 unit, size, base, i;
1024
1025         for( i = list.length; i; ){
1026                 unit = list[ --i ];
1027                 output[ unit ] = xnode[ 'css' ]( 'width', 10 + unit )[ 'width' ]() / 10;
1028         };
1029
1030         output = X_Node_CSS__FONT_SIZE_RATIO,
1031         list   = 'xx-large,x-large,large,larger,medium,small,smaller,x-small,xx-small'.split( ',' );
1032         xnode[ 'css' ]( { lineHeight : '100%', height : '1em' } )[ 'text' ]( 'X' );
1033
1034         for( i = list.length; i; ){
1035                 size = list[ --i ];
1036                 output[ size ] = xnode[ 'css' ]( 'fontSize', size )[ 'height' ]();// / base;
1037         };
1038
1039         xnode[ 'cssText' ]( '' )[ 'empty' ]();
1040 });
1041
1042