laya-coreui-es
Version:
laya核心库、ui库es版本，剔除了媒体、TTF等功能。基于 LayaAir-release_2.12.0 修改
62 lines (61 loc) • 1.88 kB
JavaScript
export class FontInfo {
static Parse(font) {
if (font === FontInfo._lastFont) {
return FontInfo._lastFontInfo;
}
var r = FontInfo._cache[font];
if (!r) {
r = FontInfo._cache[font] = new FontInfo(font);
}
FontInfo._lastFont = font;
FontInfo._lastFontInfo = r;
return r;
}
constructor(font) {
this._font = "14px Arial";
this._family = "Arial";
this._size = 14;
this._italic = false;
this._bold = false;
this._id = FontInfo._gfontID++;
this.setFont(font || this._font);
}
setFont(value) {
this._font = value;
var _words = value.split(' ');
var l = _words.length;
if (l < 2) {
if (l == 1) {
if (_words[0].indexOf('px') > 0) {
this._size = parseInt(_words[0]);
}
}
return;
}
var szpos = -1;
for (var i = 0; i < l; i++) {
if (_words[i].indexOf('px') > 0 || _words[i].indexOf('pt') > 0) {
szpos = i;
this._size = parseInt(_words[i]);
if (this._size <= 0) {
console.error('font parse error:' + value);
this._size = 14;
}
break;
}
}
var fpos = szpos + 1;
var familys = _words[fpos];
fpos++;
for (; fpos < l; fpos++) {
familys += ' ' + _words[fpos];
}
this._family = (familys.split(','))[0];
this._italic = _words.indexOf('italic') >= 0;
this._bold = _words.indexOf('bold') >= 0;
}
}
FontInfo.EMPTY = new FontInfo(null);
FontInfo._cache = {};
FontInfo._gfontID = 0;
FontInfo._lastFont = '';