51 lines
1.3 KiB
Plaintext
51 lines
1.3 KiB
Plaintext
/**
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* @file ttf复合字形转简单字形
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* @author mengke01(kekee000@gmail.com)
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*/
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import transformGlyfContours from './transformGlyfContours';
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import compound2simple from './compound2simple';
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/**
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* ttf复合字形转简单字形
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*
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* @param {Object|number} glyf glyf对象或者glyf索引
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* @param {Object} ttf ttfObject对象
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* @param {boolean} recrusive 是否递归的进行转换，如果复合字形为嵌套字形，则转换每一个复合字形
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* @return {Object} 转换后的对象
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*/
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export default function compound2simpleglyf(glyf, ttf, recrusive) {
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let glyfIndex;
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// 兼容索引和对象传入
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if (typeof glyf === 'number') {
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glyfIndex = glyf;
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glyf = ttf.glyf[glyfIndex];
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}
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else {
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glyfIndex = ttf.glyf.indexOf(glyf);
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if (-1 === glyfIndex) {
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return glyf;
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}
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}
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if (!glyf.compound || !glyf.glyfs) {
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return glyf;
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}
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const contoursList = {};
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transformGlyfContours(glyf, ttf, contoursList, glyfIndex);
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if (recrusive) {
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Object.keys(contoursList).forEach((index) => {
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compound2simple(ttf.glyf[index], contoursList[index]);
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});
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}
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else {
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compound2simple(glyf, contoursList[glyfIndex]);
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}
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return glyf;
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}
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