72 lines
1.9 KiB
JavaScript
Executable File
72 lines
1.9 KiB
JavaScript
Executable File
/*
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* noCache.js
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*
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* Part of the jsMath package for mathematics on the web.
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*
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* This file disables the equation cache that jsMath uses to
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* store the typeset versions of TeX code so that common expressions
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* won't need to be re-typeset.
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*
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* ---------------------------------------------------------------------
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*
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* Copyright 2006 by Davide P. Cervone
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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jsMath.Add(jsMath,{
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/*
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* Get the width and height (in ems) of an HTML string
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*/
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EmBoxFor: function (s) {
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var bbox = this.BBoxFor(s);
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return {w: bbox.w/this.em, h: bbox.h/this.em};
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},
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/*
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* For browsers that don't handle sizes of italics properly (MSIE)
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*/
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EmBoxForItalics: function (s) {
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var bbox = this.BBoxFor(s);
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if (s.match(/<i>|class=\"(icm|italic|igreek|iaccent)/i)) {
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bbox.w = this.BBoxFor(s+jsMath.Browser.italicString).w
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- jsMath.Browser.italicCorrection;
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}
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return {w: bbox.w/this.em, h: bbox.h/this.em};
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}
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});
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jsMath.Add(jsMath.Translate,{
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/*
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* Typeset a string in \textstyle and return the HTML for it
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*/
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TextMode: function (s) {
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var parse = jsMath.Parse(s,null,null,'T');
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parse.Atomize();
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return parse.Typeset();
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},
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/*
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* Typeset a string in \displaystyle and return the HTML for it
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*/
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DisplayMode: function (s) {
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var parse = jsMath.Parse(s,null,null,'D');
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parse.Atomize();
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return parse.Typeset();
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}
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});
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