"use strict";
/* Copyright 2015 Bloomberg Finance L.P.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
var __importStar = (this && this.__importStar) || function (mod) {
    if (mod && mod.__esModule) return mod;
    var result = {};
    if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
    result["default"] = mod;
    return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
const d3Scale = __importStar(require("d3-scale"));
const Scale_1 = require("./Scale");
class LinearScale extends Scale_1.Scale {
    render() {
        this.scale = d3Scale.scaleLinear();
        if (this.model.domain.length > 0)
            this.scale.domain(this.model.domain);
        this.offset = 0;
        this.create_event_listeners();
    }
    expand_domain(old_range, new_range) {
        // If you have a current range and then a new range and want to
        // expand the domain to expand to the new range but keep it
        // consistent with the previous one, this is the function you use.
        // The following code is required to make a copy of the actual
        // state of the scale. Referring to the model domain and then
        // setting the range to be the old range in case it is not.
        const unpadded_scale = this.scale.copy();
        // To handle the case for a clamped scale for which we have to
        // expand the domain, the copy should be unclamped.
        unpadded_scale.clamp(false);
        unpadded_scale.domain(this.model.domain);
        unpadded_scale.range(old_range);
        this.scale.domain(new_range.map(function (limit) {
            return unpadded_scale.invert(limit);
        }));
    }
    invert(pixel) {
        return this.scale.invert(pixel);
    }
    invert_range(pixels) {
        //Pixels is a non-decreasing array of pixel values
        const that = this;
        return pixels.map(function (pix) { return that.invert(pix); });
    }
}
exports.LinearScale = LinearScale;
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