react-map-gl/deprecated/transform.js

// Copyright (c) 2015 Uber Technologies, Inc.

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.

// NOTE: Transform is not a public API so we should be careful to always lock
// down mapbox-gl to a specific major, minor, and patch version.
import Transform from 'mapbox-gl/js/geo/transform';
export {Transform as default};

import {Point} from 'mapbox-gl';

export function mod(value, divisor) {
  const modulus = value % divisor;
  return modulus < 0 ? divisor + modulus : modulus;
}

export function unprojectFromTransform(transform, point) {
  return transform.pointLocation(Point.convert(point));
}

export function cloneTransform(original) {
  const transform = new Transform(original._minZoom, original._maxZoom);
  transform.latRange = original.latRange;
  transform.width = original.width;
  transform.height = original.height;
  transform.zoom = original.zoom;
  transform.center = original.center;
  transform.angle = original.angle;
  transform.altitude = original.altitude;
  transform.pitch = original.pitch;
  transform.bearing = original.bearing;
  transform.altitude = original.altitude;
  return transform;
}