4 * Part of the jsMath package for mathematics on the web.
6 * This file implements the \fbox macro. It will be loaded
7 * automatically when needed, or can be loaded by
9 * jsMath.Extension.Require('fbox');
11 * ---------------------------------------------------------------------
13 * Copyright 2005-2006 by Davide P. Cervone
15 * Licensed under the Apache License, Version 2.0 (the "License");
16 * you may not use this file except in compliance with the License.
17 * You may obtain a copy of the License at
19 * http://www.apache.org/licenses/LICENSE-2.0
21 * Unless required by applicable law or agreed to in writing, software
22 * distributed under the License is distributed on an "AS IS" BASIS,
23 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
24 * See the License for the specific language governing permissions and
25 * limitations under the License.
28 /********************************************************************/
30 jsMath.Add(jsMath.HTML,{
33 * Create a colored frame
35 Frame: function (x,y,w,h,c,pos) {
37 h -= 2/jsMath.em; // use 2 pixels to compensate for border size
40 if (!c) {c = ''} else {c = ' '+c};
41 if (pos) {pos = 'absolute;'} else
42 {pos = 'relative; margin-right: '+this.Em(-(w+2/jsMath.em))+'; '}
43 return '<img src="'+jsMath.blank+'" style="position:' + pos
44 + 'vertical-align: '+this.Em(y)+'; left: '+this.Em(x)+'; '
45 + 'width:' +this.Em(w*jsMath.Browser.imgScale)+'; '
46 + 'height:'+this.Em(h*jsMath.Browser.imgScale)+'; '
47 + 'border: 1px solid'+c+';" />';
52 jsMath.Package(jsMath.Parser,{
54 macros: {fbox: 'FBox'},
57 * Implement \fbox{...}
59 FBox: function (name) {
60 var text = this.GetArgument(this.cmd+name); if (this.error) return;
61 var arg = jsMath.Box.InternalMath(text,this.mlist.data.size);
62 var f = 0.25 * jsMath.sizes[this.mlist.data.size]/100;
63 var box = jsMath.Box.Set(arg,this.mlist.data.style,this.mlist.data.size,1).Remeasured();
64 var frame = jsMath.HTML.Frame(-f,-box.d-f,box.w+2*f,box.h+box.d+2*f);
65 box.html = frame + box.html + jsMath.HTML.Spacer(f);
66 box.h += f; box.d += f; box.w +=2*f; box.x += f;
67 box.bh = Math.max(box.bh,box.h); box.bd = Math.max(box.bd,box.d);
68 this.mlist.Add(jsMath.mItem.Atom('ord',box));