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Current File : /www/specpages-backup/node_modules/less/lib/less/functions/svg.js

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var dimension_1 = __importDefault(require("../tree/dimension"));
var color_1 = __importDefault(require("../tree/color"));
var expression_1 = __importDefault(require("../tree/expression"));
var quoted_1 = __importDefault(require("../tree/quoted"));
var url_1 = __importDefault(require("../tree/url"));
exports.default = (function (environment) {
    return { 'svg-gradient': function (direction) {
            var stops;
            var gradientDirectionSvg;
            var gradientType = 'linear';
            var rectangleDimension = 'x="0" y="0" width="1" height="1"';
            var renderEnv = { compress: false };
            var returner;
            var directionValue = direction.toCSS(renderEnv);
            var i;
            var color;
            var position;
            var positionValue;
            var alpha;
            function throwArgumentDescriptor() {
                throw { type: 'Argument',
                    message: 'svg-gradient expects direction, start_color [start_position], [color position,]...,' +
                        ' end_color [end_position] or direction, color list' };
            }
            if (arguments.length == 2) {
                if (arguments[1].value.length < 2) {
                    throwArgumentDescriptor();
                }
                stops = arguments[1].value;
            }
            else if (arguments.length < 3) {
                throwArgumentDescriptor();
            }
            else {
                stops = Array.prototype.slice.call(arguments, 1);
            }
            switch (directionValue) {
                case 'to bottom':
                    gradientDirectionSvg = 'x1="0%" y1="0%" x2="0%" y2="100%"';
                    break;
                case 'to right':
                    gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="0%"';
                    break;
                case 'to bottom right':
                    gradientDirectionSvg = 'x1="0%" y1="0%" x2="100%" y2="100%"';
                    break;
                case 'to top right':
                    gradientDirectionSvg = 'x1="0%" y1="100%" x2="100%" y2="0%"';
                    break;
                case 'ellipse':
                case 'ellipse at center':
                    gradientType = 'radial';
                    gradientDirectionSvg = 'cx="50%" cy="50%" r="75%"';
                    rectangleDimension = 'x="-50" y="-50" width="101" height="101"';
                    break;
                default:
                    throw { type: 'Argument', message: 'svg-gradient direction must be \'to bottom\', \'to right\',' +
                            ' \'to bottom right\', \'to top right\' or \'ellipse at center\'' };
            }
            returner = "<svg xmlns=\"http://www.w3.org/2000/svg\" viewBox=\"0 0 1 1\"><" + gradientType + "Gradient id=\"g\" " + gradientDirectionSvg + ">";
            for (i = 0; i < stops.length; i += 1) {
                if (stops[i] instanceof expression_1.default) {
                    color = stops[i].value[0];
                    position = stops[i].value[1];
                }
                else {
                    color = stops[i];
                    position = undefined;
                }
                if (!(color instanceof color_1.default) || (!((i === 0 || i + 1 === stops.length) && position === undefined) && !(position instanceof dimension_1.default))) {
                    throwArgumentDescriptor();
                }
                positionValue = position ? position.toCSS(renderEnv) : i === 0 ? '0%' : '100%';
                alpha = color.alpha;
                returner += "<stop offset=\"" + positionValue + "\" stop-color=\"" + color.toRGB() + "\"" + (alpha < 1 ? " stop-opacity=\"" + alpha + "\"" : '') + "/>";
            }
            returner += "</" + gradientType + "Gradient><rect " + rectangleDimension + " fill=\"url(#g)\" /></svg>";
            returner = encodeURIComponent(returner);
            returner = "data:image/svg+xml," + returner;
            return new url_1.default(new quoted_1.default("'" + returner + "'", returner, false, this.index, this.currentFileInfo), this.index, this.currentFileInfo);
        } };
});
//# sourceMappingURL=svg.js.map

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