86 lines
No EOL
4.3 KiB
JavaScript
86 lines
No EOL
4.3 KiB
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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var tslib_1 = require("tslib");
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var dimension_1 = tslib_1.__importDefault(require("../tree/dimension"));
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var color_1 = tslib_1.__importDefault(require("../tree/color"));
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var expression_1 = tslib_1.__importDefault(require("../tree/expression"));
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var quoted_1 = tslib_1.__importDefault(require("../tree/quoted"));
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var url_1 = tslib_1.__importDefault(require("../tree/url"));
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exports.default = (function () {
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return { 'svg-gradient': function (direction) {
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var stops;
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var gradientDirectionSvg;
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var gradientType = 'linear';
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var rectangleDimension = 'x="0" y="0" width="1" height="1"';
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var renderEnv = { compress: false };
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var returner;
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var directionValue = direction.toCSS(renderEnv);
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var i;
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var color;
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var position;
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var positionValue;
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var alpha;
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function throwArgumentDescriptor() {
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throw { type: 'Argument',
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message: 'svg-gradient expects direction, start_color [start_position], [color position,]...,' +
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' end_color [end_position] or direction, color list' };
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}
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if (arguments.length == 2) {
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if (arguments[1].value.length < 2) {
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throwArgumentDescriptor();
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}
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stops = arguments[1].value;
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}
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else if (arguments.length < 3) {
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throwArgumentDescriptor();
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}
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else {
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stops = Array.prototype.slice.call(arguments, 1);
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}
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switch (directionValue) {
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case 'to bottom':
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gradientDirectionSvg = 'x1="0%" y1="0%" x2="0%" y2="100%"';
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break;
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case 'to right':
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gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="0%"';
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break;
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case 'to bottom right':
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gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="100%"';
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break;
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case 'to top right':
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gradientDirectionSvg = 'x1="0%" y1="100%" x2="100%" y2="0%"';
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break;
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case 'ellipse':
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case 'ellipse at center':
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gradientType = 'radial';
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gradientDirectionSvg = 'cx="50%" cy="50%" r="75%"';
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rectangleDimension = 'x="-50" y="-50" width="101" height="101"';
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break;
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default:
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throw { type: 'Argument', message: 'svg-gradient direction must be \'to bottom\', \'to right\',' +
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' \'to bottom right\', \'to top right\' or \'ellipse at center\'' };
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}
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returner = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 1 1\"><" + gradientType + "Gradient id=\"g\" " + gradientDirectionSvg + ">";
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for (i = 0; i < stops.length; i += 1) {
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if (stops[i] instanceof expression_1.default) {
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color = stops[i].value[0];
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position = stops[i].value[1];
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}
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else {
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color = stops[i];
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position = undefined;
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}
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if (!(color instanceof color_1.default) || (!((i === 0 || i + 1 === stops.length) && position === undefined) && !(position instanceof dimension_1.default))) {
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throwArgumentDescriptor();
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}
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positionValue = position ? position.toCSS(renderEnv) : i === 0 ? '0%' : '100%';
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alpha = color.alpha;
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returner += "<stop offset=\"" + positionValue + "\" stop-color=\"" + color.toRGB() + "\"" + (alpha < 1 ? " stop-opacity=\"" + alpha + "\"" : '') + "/>";
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}
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returner += "</" + gradientType + "Gradient><rect " + rectangleDimension + " fill=\"url(#g)\" /></svg>";
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returner = encodeURIComponent(returner);
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returner = "data:image/svg+xml," + returner;
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return new url_1.default(new quoted_1.default("'" + returner + "'", returner, false, this.index, this.currentFileInfo), this.index, this.currentFileInfo);
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} };
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});
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//# sourceMappingURL=svg.js.map
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