"use strict";
|
|
Object.defineProperty(exports, "__esModule", {
|
value: true
|
});
|
|
var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
|
|
var _merge = require("../help/merge.js");
|
|
var _merge2 = _interopRequireDefault(_merge);
|
|
var _shared = require("./shared.js");
|
|
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
|
|
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
|
|
var svgns = "http://www.w3.org/2000/svg";
|
|
var SVGRenderer = function () {
|
function SVGRenderer(svg, encodings, options) {
|
_classCallCheck(this, SVGRenderer);
|
|
this.svg = svg;
|
this.encodings = encodings;
|
this.options = options;
|
this.document = options.xmlDocument || document;
|
}
|
|
_createClass(SVGRenderer, [{
|
key: "render",
|
value: function render() {
|
var currentX = this.options.marginLeft;
|
|
this.prepareSVG();
|
for (var i = 0; i < this.encodings.length; i++) {
|
var encoding = this.encodings[i];
|
var encodingOptions = (0, _merge2.default)(this.options, encoding.options);
|
|
var group = this.createGroup(currentX, encodingOptions.marginTop, this.svg);
|
|
this.setGroupOptions(group, encodingOptions);
|
|
this.drawSvgBarcode(group, encodingOptions, encoding);
|
this.drawSVGText(group, encodingOptions, encoding);
|
|
currentX += encoding.width;
|
}
|
}
|
}, {
|
key: "prepareSVG",
|
value: function prepareSVG() {
|
// Clear the SVG
|
while (this.svg.firstChild) {
|
this.svg.removeChild(this.svg.firstChild);
|
}
|
|
(0, _shared.calculateEncodingAttributes)(this.encodings, this.options);
|
var totalWidth = (0, _shared.getTotalWidthOfEncodings)(this.encodings);
|
var maxHeight = (0, _shared.getMaximumHeightOfEncodings)(this.encodings);
|
|
var width = totalWidth + this.options.marginLeft + this.options.marginRight;
|
this.setSvgAttributes(width, maxHeight);
|
|
if (this.options.background) {
|
this.drawRect(0, 0, width, maxHeight, this.svg).setAttribute("style", "fill:" + this.options.background + ";");
|
}
|
}
|
}, {
|
key: "drawSvgBarcode",
|
value: function drawSvgBarcode(parent, options, encoding) {
|
var binary = encoding.data;
|
|
// Creates the barcode out of the encoded binary
|
var yFrom;
|
if (options.textPosition == "top") {
|
yFrom = options.fontSize + options.textMargin;
|
} else {
|
yFrom = 0;
|
}
|
|
var barWidth = 0;
|
var x = 0;
|
for (var b = 0; b < binary.length; b++) {
|
x = b * options.width + encoding.barcodePadding;
|
|
if (binary[b] === "1") {
|
barWidth++;
|
} else if (barWidth > 0) {
|
this.drawRect(x - options.width * barWidth, yFrom, options.width * barWidth, options.height, parent);
|
barWidth = 0;
|
}
|
}
|
|
// Last draw is needed since the barcode ends with 1
|
if (barWidth > 0) {
|
this.drawRect(x - options.width * (barWidth - 1), yFrom, options.width * barWidth, options.height, parent);
|
}
|
}
|
}, {
|
key: "drawSVGText",
|
value: function drawSVGText(parent, options, encoding) {
|
var textElem = this.document.createElementNS(svgns, 'text');
|
|
// Draw the text if displayValue is set
|
if (options.displayValue) {
|
var x, y;
|
|
textElem.setAttribute("style", "font:" + options.fontOptions + " " + options.fontSize + "px " + options.font);
|
|
if (options.textPosition == "top") {
|
y = options.fontSize - options.textMargin;
|
} else {
|
y = options.height + options.textMargin + options.fontSize;
|
}
|
|
// Draw the text in the correct X depending on the textAlign option
|
if (options.textAlign == "left" || encoding.barcodePadding > 0) {
|
x = 0;
|
textElem.setAttribute("text-anchor", "start");
|
} else if (options.textAlign == "right") {
|
x = encoding.width - 1;
|
textElem.setAttribute("text-anchor", "end");
|
}
|
// In all other cases, center the text
|
else {
|
x = encoding.width / 2;
|
textElem.setAttribute("text-anchor", "middle");
|
}
|
|
textElem.setAttribute("x", x);
|
textElem.setAttribute("y", y);
|
|
textElem.appendChild(this.document.createTextNode(encoding.text));
|
|
parent.appendChild(textElem);
|
}
|
}
|
}, {
|
key: "setSvgAttributes",
|
value: function setSvgAttributes(width, height) {
|
var svg = this.svg;
|
svg.setAttribute("width", width + "px");
|
svg.setAttribute("height", height + "px");
|
svg.setAttribute("x", "0px");
|
svg.setAttribute("y", "0px");
|
svg.setAttribute("viewBox", "0 0 " + width + " " + height);
|
|
svg.setAttribute("xmlns", svgns);
|
svg.setAttribute("version", "1.1");
|
|
svg.setAttribute("style", "transform: translate(0,0)");
|
}
|
}, {
|
key: "createGroup",
|
value: function createGroup(x, y, parent) {
|
var group = this.document.createElementNS(svgns, 'g');
|
group.setAttribute("transform", "translate(" + x + ", " + y + ")");
|
|
parent.appendChild(group);
|
|
return group;
|
}
|
}, {
|
key: "setGroupOptions",
|
value: function setGroupOptions(group, options) {
|
group.setAttribute("style", "fill:" + options.lineColor + ";");
|
}
|
}, {
|
key: "drawRect",
|
value: function drawRect(x, y, width, height, parent) {
|
var rect = this.document.createElementNS(svgns, 'rect');
|
|
rect.setAttribute("x", x);
|
rect.setAttribute("y", y);
|
rect.setAttribute("width", width);
|
rect.setAttribute("height", height);
|
|
parent.appendChild(rect);
|
|
return rect;
|
}
|
}]);
|
|
return SVGRenderer;
|
}();
|
|
exports.default = SVGRenderer;
|
