pdf-lib
Version:
Library for creating and modifying PDF files in JavaScript
55 lines (54 loc) • 2.37 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
}
Object.defineProperty(exports, "__esModule", { value: true });
/* eslint-disable new-cap */
var PDFOperator_1 = __importDefault(require("../../../pdf-operators/PDFOperator"));
var utils_1 = require("../../../../utils");
var validate_1 = require("../../../../utils/validate");
/**
* Set the text matrix, Tm, and the text line matrix, T_lm:
* |a b 0|
* T_m = T_lm = |c d 0|
* |e f 1|
* The operands shall all be numbers, and the initial value for Tm and Tlm shall be
* the identity matrix, [1 0 0 1 0 0]. Although the operands specify a matrix, they
* shall be passed to Tm as six separate numbers, not as an array. The matrix
* specified by the operands shall not be concatenated onto the current text
* matrix, but shall replace it.
*/
var Tm = /** @class */ (function (_super) {
__extends(Tm, _super);
function Tm(a, b, c, d, e, f) {
var _this = _super.call(this) || this;
_this.toString = function () {
return _this.a + " " + _this.b + " " + _this.c + " " + _this.d + " " + _this.e + " " + _this.f + " Tm\n";
};
_this.bytesSize = function () { return _this.toString().length; };
_this.copyBytesInto = function (buffer) {
return utils_1.addStringToBuffer(_this.toString(), buffer);
};
validate_1.validateArr([a, b, c, d, e, f], validate_1.isNumber, 'Tm operator args "a b c d e f" must all be numbers.');
_this.a = a;
_this.b = b;
_this.c = c;
_this.d = d;
_this.e = e;
_this.f = f;
return _this;
}
Tm.of = function (a, b, c, d, e, f) { return new Tm(a, b, c, d, e, f); };
return Tm;
}(PDFOperator_1.default));
exports.default = Tm;