/var/www/greso.tech/server/nsm/node_modules/pdf-lib/es/core/embedders
Edit: /var/www/greso.tech/server/nsm/node_modules/pdf-lib/es/core/embedders/StandardFontEmbedder.js (4215B)
import { Encodings, Font, FontNames, } from '@pdf-lib/standard-fonts';
import PDFHexString from "../objects/PDFHexString";
import { toCodePoint, toHexString } from "../../utils";
/**
* A note of thanks to the developers of https://github.com/foliojs/pdfkit, as
* this class borrows from:
* https://github.com/foliojs/pdfkit/blob/f91bdd61c164a72ea06be1a43dc0a412afc3925f/lib/font/afm.coffee
*/
var StandardFontEmbedder = /** @class */ (function () {
function StandardFontEmbedder(fontName, customName) {
// prettier-ignore
this.encoding = (fontName === FontNames.ZapfDingbats ? Encodings.ZapfDingbats
: fontName === FontNames.Symbol ? Encodings.Symbol
: Encodings.WinAnsi);
this.font = Font.load(fontName);
this.fontName = this.font.FontName;
this.customName = customName;
}
/**
* Encode the JavaScript string into this font. (JavaScript encodes strings in
* Unicode, but standard fonts use either WinAnsi, ZapfDingbats, or Symbol
* encodings)
*/
StandardFontEmbedder.prototype.encodeText = function (text) {
var glyphs = this.encodeTextAsGlyphs(text);
var hexCodes = new Array(glyphs.length);
for (var idx = 0, len = glyphs.length; idx < len; idx++) {
hexCodes[idx] = toHexString(glyphs[idx].code);
}
return PDFHexString.of(hexCodes.join(''));
};
StandardFontEmbedder.prototype.widthOfTextAtSize = function (text, size) {
var glyphs = this.encodeTextAsGlyphs(text);
var totalWidth = 0;
for (var idx = 0, len = glyphs.length; idx < len; idx++) {
var left = glyphs[idx].name;
var right = (glyphs[idx + 1] || {}).name;
var kernAmount = this.font.getXAxisKerningForPair(left, right) || 0;
totalWidth += this.widthOfGlyph(left) + kernAmount;
}
var scale = size / 1000;
return totalWidth * scale;
};
StandardFontEmbedder.prototype.heightOfFontAtSize = function (size, options) {
if (options === void 0) { options = {}; }
var _a = options.descender, descender = _a === void 0 ? true : _a;
var _b = this.font, Ascender = _b.Ascender, Descender = _b.Descender, FontBBox = _b.FontBBox;
var yTop = Ascender || FontBBox[3];
var yBottom = Descender || FontBBox[1];
var height = yTop - yBottom;
if (!descender)
height += Descender || 0;
return (height / 1000) * size;
};
StandardFontEmbedder.prototype.sizeOfFontAtHeight = function (height) {
var _a = this.font, Ascender = _a.Ascender, Descender = _a.Descender, FontBBox = _a.FontBBox;
var yTop = Ascender || FontBBox[3];
var yBottom = Descender || FontBBox[1];
return (1000 * height) / (yTop - yBottom);
};
StandardFontEmbedder.prototype.embedIntoContext = function (context, ref) {
var fontDict = context.obj({
Type: 'Font',
Subtype: 'Type1',
BaseFont: this.customName || this.fontName,
Encoding: this.encoding === Encodings.WinAnsi ? 'WinAnsiEncoding' : undefined,
});
if (ref) {
context.assign(ref, fontDict);
return ref;
}
else {
return context.register(fontDict);
}
};
StandardFontEmbedder.prototype.widthOfGlyph = function (glyphName) {
// Default to 250 if font doesn't specify a width
return this.font.getWidthOfGlyph(glyphName) || 250;
};
StandardFontEmbedder.prototype.encodeTextAsGlyphs = function (text) {
var codePoints = Array.from(text);
var glyphs = new Array(codePoints.length);
for (var idx = 0, len = codePoints.length; idx < len; idx++) {
var codePoint = toCodePoint(codePoints[idx]);
glyphs[idx] = this.encoding.encodeUnicodeCodePoint(codePoint);
}
return glyphs;
};
StandardFontEmbedder.for = function (fontName, customName) {
return new StandardFontEmbedder(fontName, customName);
};
return StandardFontEmbedder;
}());
export default StandardFontEmbedder;
//# sourceMappingURL=StandardFontEmbedder.js.map