From 4204277e85f675ee41a0cf37b2d1d6fe75079640 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20Siffert?= Date: Mon, 29 Jun 2026 00:50:06 +0200 Subject: [PATCH] [IMP] base_geoengine: align with the consolidated module version MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Replace base_geoengine in the migration branch with the version from the 19.0-mig-base_geoengine-consolidated branch, which carries the maintained/cleaned-up module while this branch keeps the satellite addons (geoengine_tools, geoengine_swisstopo, geoengine_drone_ortho…). Notable changes pulled in from the consolidated module: - security: enforce record rules on indirect geo sub-queries - Odoo 19: use group_ids instead of groups_id on res.users - refactor geo library loading to dynamic imports; slimmer vendored libs - renderer cleanups and added model tests Satellite modules are left untouched; the renderer extension points they patch (setupControls, createHtmlControl, addSelectedClassToButton, remove*Interaction, registerInteraction, this.format, createDrawControl) all still exist in the consolidated renderer. Co-Authored-By: Claude Opus 4.8 --- base_geoengine/README.rst | 25 +- base_geoengine/__init__.py | 3 - base_geoengine/__manifest__.py | 4 +- base_geoengine/domains.py | 2 - base_geoengine/expressions.py | 52 +- base_geoengine/geo_convertion_helper.py | 11 +- base_geoengine/models/__init__.py | 22 +- base_geoengine/models/base.py | 30 +- base_geoengine/models/geo_raster_layer.py | 4 +- base_geoengine/models/geo_vector_layer.py | 19 +- base_geoengine/readme/CONTRIBUTORS.md | 2 +- base_geoengine/readme/DESCRIPTION.md | 2 +- base_geoengine/readme/HISTORY.md | 8 - base_geoengine/readme/INSTALL.md | 11 +- base_geoengine/readme/ROADMAP.md | 1 + base_geoengine/static/description/index.html | 52 +- .../static/lib/chromajs-3.2.0/LICENSE | 28 +- .../static/lib/chromajs-3.2.0/chroma.js | 3963 +---------------- .../static/lib/geostats-2.1.0/geostats.css | 2 +- .../static/lib/geostats-2.1.0/geostats.js | 1464 +----- base_geoengine/static/lib/ol-10.8.0/ol.js.map | 2 +- .../static/src/js/geoengine_libs.esm.js | 16 + .../geoengine_renderer.esm.js | 155 +- .../geoengine_renderer/geoengine_renderer.xml | 1 - .../records_panel/records_panel.esm.js | 1 - .../geoengine/records_panel/records_panel.xml | 6 - .../field_geoengine_edit_map.esm.js | 13 +- base_geoengine/tests/test_model.py | 61 + .../views/geo_vector_layer_view.xml | 4 + 29 files changed, 332 insertions(+), 5632 deletions(-) diff --git a/base_geoengine/README.rst b/base_geoengine/README.rst index 758f90372..518ab5557 100644 --- a/base_geoengine/README.rst +++ b/base_geoengine/README.rst @@ -41,7 +41,7 @@ It will allow you to : - Extend Odoo models with spatial columns GeoEngine relies on `OpenLayers `__ and -`PostGIS `__ technologies. +`PostgGIS `__ technologies. Postgis is used to store spatial information in databases. OpenLayer is used to represent spatial data in other words to show maps and the @@ -62,7 +62,11 @@ To install this module, you need to have On Ubuntu: -.. code:: bash +:: + + .. code-block:: bash + +.. sudo apt-get install postgis @@ -71,11 +75,11 @@ The module also requires two additional python libs: - `Shapely `__ - `geojson `__ -These two additional libs will be installed automatically with the -module. +When you will install the module this two additional libs will be +installed. For a complete documentation please refer to the `public -documentation `__ +documenation `__ Usage ===== @@ -171,15 +175,6 @@ Known issues / Roadmap Changelog ========= -19.0.1.0.1 ----------- - -- Migration to Odoo 19.0. -- Migrated JavaScript frontend to OWL/ESM architecture. -- Updated OpenLayers to version 10.5.0. -- Updated Chroma.js to version 3.1.2. -- Refactored domain handling for Odoo 19 ORM compatibility. - 16.0.1.0.0 (2023-03-20) ----------------------- @@ -352,7 +347,7 @@ Contributors - Antoni Marroig - Miquel Alzanillas -- Red Butay +- Red Butay <> - Sergio Sancho Maintainers diff --git a/base_geoengine/__init__.py b/base_geoengine/__init__.py index 0174161f3..5985c83ac 100644 --- a/base_geoengine/__init__.py +++ b/base_geoengine/__init__.py @@ -1,6 +1,3 @@ -# Copyright 2011-2012 Nicolas Bessi (Camptocamp SA) -# Copyright 2023 ACSONE SA/NV -# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). from . import models from . import expressions from . import fields diff --git a/base_geoengine/__manifest__.py b/base_geoengine/__manifest__.py index b8358c8a0..b620bf7b8 100644 --- a/base_geoengine/__manifest__.py +++ b/base_geoengine/__manifest__.py @@ -4,7 +4,7 @@ # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). { "name": "Geospatial support for Odoo", - "version": "19.0.1.0.1", + "version": "19.0.1.0.2", "category": "GeoBI", "author": "Camptocamp,ACSONE SA/NV,Odoo Community Association (OCA)", "license": "AGPL-3", @@ -25,6 +25,8 @@ "base_geoengine/static/src/css/style.css", "base_geoengine/static/lib/geostats-2.1.0/geostats.css", ], + # Note: Third-party libraries (ol.js, chroma.js, geostats.js) are loaded + # dynamically via loadJS() in geoengine_libs.esm.js to avoid bundler issues }, "external_dependencies": {"python": ["shapely", "geojson"]}, "installable": True, diff --git a/base_geoengine/domains.py b/base_geoengine/domains.py index 123475ff6..61df5530a 100644 --- a/base_geoengine/domains.py +++ b/base_geoengine/domains.py @@ -1,5 +1,3 @@ -# Copyright 2023 ACSONE SA/NV -# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). import contextlib import logging import warnings diff --git a/base_geoengine/expressions.py b/base_geoengine/expressions.py index edf8a592c..3a7f4a2c7 100644 --- a/base_geoengine/expressions.py +++ b/base_geoengine/expressions.py @@ -79,7 +79,8 @@ def _condition_to_sql( active_test=True, alias=rel_alias, ) - model._check_field_access(current_field, "read") + # Record rules (ir.rule) on the related model are applied + # inside where_calc(), mirroring BaseModel._search(). if operator == "geo_equal": rel_query.add_where( f'"{alias}"."{field_expr}" {GEO_OPERATORS[operator]} ' @@ -129,24 +130,35 @@ def get_geo_func(current_operator, operator, left, value, params, table): """ This method will call the SQL query corresponding to the requested geo operator """ - geo_func_map = { - "geo_greater": current_operator.get_geo_greater_sql, - "geo_lesser": current_operator.get_geo_lesser_sql, - "geo_equal": current_operator.get_geo_equal_sql, - "geo_touch": current_operator.get_geo_touch_sql, - "geo_within": current_operator.get_geo_within_sql, - "geo_contains": current_operator.get_geo_contains_sql, - "geo_intersect": current_operator.get_geo_intersect_sql, - } - func = geo_func_map.get(operator) - if func is None: - raise NotImplementedError(f"The operator {operator} is not supported") - return func(table, left, value, params) + match operator: + case "geo_greater": + query = current_operator.get_geo_greater_sql(table, left, value, params) + case "geo_lesser": + query = current_operator.get_geo_lesser_sql(table, left, value, params) + case "geo_equal": + query = current_operator.get_geo_equal_sql(table, left, value, params) + case "geo_touch": + query = current_operator.get_geo_touch_sql(table, left, value, params) + case "geo_within": + query = current_operator.get_geo_within_sql(table, left, value, params) + case "geo_contains": + query = current_operator.get_geo_contains_sql(table, left, value, params) + case "geo_intersect": + query = current_operator.get_geo_intersect_sql(table, left, value, params) + case _: + raise NotImplementedError(f"The operator {operator} is not supported") + return query def where_calc(model, domain, active_test=True, alias=None): """ This method is copied from base, we need to create our own query. + + It mirrors ``BaseModel._search``: besides ``active_test`` filtering, it also + applies record rules (``ir.rule``) to the resulting query. This matters for + the indirect geo-operators, whose spatial sub-query is built here: without + it, the sub-query would match related records the user is not allowed to + read (row-level security bypass). """ # if the object has an active field ('active', 'x_active'), filter out all # inactive records unless they were explicitly asked for @@ -164,6 +176,16 @@ def where_calc(model, domain, active_test=True, alias=None): sql_condition = optimized_domain._to_sql(model, alias, query) query.add_where(sql_condition) - return query + # Apply record rules, like BaseModel._search does. Skipped for the + # superuser (env.su), exactly as in core. + if not model.env.su: + model.browse().check_access("read") + model_sudo = model.sudo().with_context(active_test=False) + sec_domain = model.env["ir.rule"]._compute_domain(model._name, "read") + sec_domain = sec_domain.optimize_full(model_sudo) + if sec_domain.is_false(): + query.add_where(SQL("FALSE")) + elif not sec_domain.is_true(): + query.add_where(sec_domain._to_sql(model_sudo, alias, query)) return query diff --git a/base_geoengine/geo_convertion_helper.py b/base_geoengine/geo_convertion_helper.py index cb8d542f8..f1d8de753 100644 --- a/base_geoengine/geo_convertion_helper.py +++ b/base_geoengine/geo_convertion_helper.py @@ -1,14 +1,11 @@ # Copyright 2011-2012 Nicolas Bessi (Camptocamp SA) # License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). import logging -import re from odoo import _ logger = logging.getLogger(__name__) -_HEX_RE = re.compile(r"^[0-9a-fA-F]+$") - try: import geojson from shapely import wkb, wkt @@ -29,10 +26,14 @@ def value_to_shape(value, use_wkb=False): if "{" in value: geo_dict = geojson.loads(value) return shape(geo_dict) - elif use_wkb or _HEX_RE.match(value): + elif use_wkb: return wkb.loads(value, hex=True) else: - return wkt.loads(value) + try: + int(value, 16) + return wkb.loads(value, hex=True) + except Exception: + return wkt.loads(value) elif hasattr(value, "wkt"): if isinstance(value, BaseGeometry): return value diff --git a/base_geoengine/models/__init__.py b/base_geoengine/models/__init__.py index 9a2710cae..7436a36f5 100644 --- a/base_geoengine/models/__init__.py +++ b/base_geoengine/models/__init__.py @@ -1,5 +1,23 @@ -# Copyright 2011-2012 Nicolas Bessi (Camptocamp SA) -# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl). +############################################################################## +# +# Author: Nicolas Bessi +# Copyright 2011-2012 Camptocamp SA +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU Affero General Public License as +# published by the Free Software Foundation, either version 3 of the +# License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU Affero General Public License for more details. +# +# You should have received a copy of the GNU Affero General Public License +# along with this program. If not, see . +# +############################################################################## +"""Module that manages map view and vector/raster layer""" from . import base from . import geo_raster_layer diff --git a/base_geoengine/models/base.py b/base_geoengine/models/base.py index f233be145..3bbe96188 100644 --- a/base_geoengine/models/base.py +++ b/base_geoengine/models/base.py @@ -67,33 +67,9 @@ def set_field_real_name(self, in_tuple): field_obj = self.env["ir.model.fields"] if not in_tuple: return in_tuple - field_id = None - display_name = None - - # Odoo may serialize many2one values as: - # - [id, display_name] - # - {"id": id, "display_name": "..."} (newer formats) - # - id - if isinstance(in_tuple, (list, tuple)): - if in_tuple: - field_id = in_tuple[0] - if len(in_tuple) > 1: - display_name = in_tuple[1] - elif isinstance(in_tuple, dict): - field_id = in_tuple.get("id") - display_name = in_tuple.get("display_name") or in_tuple.get("name") - elif isinstance(in_tuple, int): - field_id = in_tuple - - if not field_id: - return in_tuple - - field = field_obj.browse(field_id).exists() - technical_name = field.name if field else False - if display_name is None: - display_name = technical_name - - return (field_id, technical_name, display_name) + name = field_obj.browse(in_tuple[0]).name + out = (in_tuple[0], name, in_tuple[1]) + return out @api.model def get_geoengine_layers(self, view_id=None, view_type="geoengine", **options): diff --git a/base_geoengine/models/geo_raster_layer.py b/base_geoengine/models/geo_raster_layer.py index c7d98662e..80b99a071 100644 --- a/base_geoengine/models/geo_raster_layer.py +++ b/base_geoengine/models/geo_raster_layer.py @@ -49,7 +49,9 @@ class GeoRasterLayer(models.Model): params = fields.Char(help="Dictiorary of values for dimensions as JSON") # wms options - params_wms = fields.Char(help="Need to provide at least a LAYERS param") + params_wms = fields.Char( + "Params WMS", help="Need to provide at least a LAYERS param" + ) server_type = fields.Char( help="The type of the remote WMS server: mapserver, \ geoserver, carmentaserver, or qgis", diff --git a/base_geoengine/models/geo_vector_layer.py b/base_geoengine/models/geo_vector_layer.py index 0fc80c378..b0cc6cdf1 100644 --- a/base_geoengine/models/geo_vector_layer.py +++ b/base_geoengine/models/geo_vector_layer.py @@ -61,9 +61,12 @@ class GeoVectorLayer(models.Model): ondelete="cascade", domain=[("ttype", "ilike", "geo_")], ) - attribute_field_id = fields.Many2one( - "ir.model.fields", "Attribute field", domain=[("ttype", "in", SUPPORTED_ATT)] + + attribute_field_id_domain = fields.Binary( + compute="_compute_attribute_field_id_domain", readonly=True, store=False ) + attribute_field_id = fields.Many2one("ir.model.fields", "Attribute field") + model_id = fields.Many2one( "ir.model", "Model to use", @@ -155,3 +158,15 @@ def _compute_model_id(self): rec.model_id = "" else: rec.model_id = "" + + @api.depends("geo_field_id") + def _compute_attribute_field_id_domain(self): + for rec in self: + rec.attribute_field_id_domain = ( + [ + ("ttype", "in", SUPPORTED_ATT), + ("model", "=", rec.geo_field_id.model_id.model), + ] + if rec.geo_field_id + else [("ttype", "in", SUPPORTED_ATT)] + ) diff --git a/base_geoengine/readme/CONTRIBUTORS.md b/base_geoengine/readme/CONTRIBUTORS.md index 4097346e9..7313dd40f 100644 --- a/base_geoengine/readme/CONTRIBUTORS.md +++ b/base_geoengine/readme/CONTRIBUTORS.md @@ -21,5 +21,5 @@ - [APSL-Nagarro](https://www.apsl.tech): - Antoni Marroig \<\> - Miquel Alzanillas \<\> -- Red Butay +- Red Butay \<\> - Sergio Sancho \<\> diff --git a/base_geoengine/readme/DESCRIPTION.md b/base_geoengine/readme/DESCRIPTION.md index 3ce3383e2..3af0efdc1 100644 --- a/base_geoengine/readme/DESCRIPTION.md +++ b/base_geoengine/readme/DESCRIPTION.md @@ -7,7 +7,7 @@ It will allow you to : - Extend Odoo models with spatial columns GeoEngine relies on [OpenLayers](http://openlayers.org) and -[PostGIS](http://postgis.refractions.net/) technologies. +[PostgGIS](http://postgis.refractions.net/) technologies. Postgis is used to store spatial information in databases. OpenLayer is used to represent spatial data in other words to show maps and the diff --git a/base_geoengine/readme/HISTORY.md b/base_geoengine/readme/HISTORY.md index eb2ccddc3..77872b7ff 100644 --- a/base_geoengine/readme/HISTORY.md +++ b/base_geoengine/readme/HISTORY.md @@ -1,11 +1,3 @@ -## 19.0.1.0.1 - -- Migration to Odoo 19.0. -- Migrated JavaScript frontend to OWL/ESM architecture. -- Updated OpenLayers to version 10.5.0. -- Updated Chroma.js to version 3.1.2. -- Refactored domain handling for Odoo 19 ORM compatibility. - ## 16.0.1.0.0 (2023-03-20) - LayerSwitcher has been removed as it was not really practical. A diff --git a/base_geoengine/readme/INSTALL.md b/base_geoengine/readme/INSTALL.md index 63db9ddc6..c72a805b7 100644 --- a/base_geoengine/readme/INSTALL.md +++ b/base_geoengine/readme/INSTALL.md @@ -3,16 +3,17 @@ installed. On Ubuntu: -```bash -sudo apt-get install postgis -``` + .. code-block:: bash + +> sudo apt-get install postgis The module also requires two additional python libs: - [Shapely](http://pypi.python.org/pypi/Shapely) - [geojson](http://pypi.python.org/pypi/geojson) -These two additional libs will be installed automatically with the module. +When you will install the module this two additional libs will be +installed. For a complete documentation please refer to the [public -documentation](http://oca.github.io/geospatial/index.html) +documenation](http://oca.github.io/geospatial/index.html) diff --git a/base_geoengine/readme/ROADMAP.md b/base_geoengine/readme/ROADMAP.md index e69de29bb..8b1378917 100644 --- a/base_geoengine/readme/ROADMAP.md +++ b/base_geoengine/readme/ROADMAP.md @@ -0,0 +1 @@ + diff --git a/base_geoengine/static/description/index.html b/base_geoengine/static/description/index.html index fa2c9f9ca..03fc525c3 100644 --- a/base_geoengine/static/description/index.html +++ b/base_geoengine/static/description/index.html @@ -384,7 +384,7 @@

Geospatial support for Odoo

  • Extend Odoo models with spatial columns

    • GeoEngine relies on OpenLayers and -PostGIS technologies.

    +PostgGIS technologies.

    Postgis is used to store spatial information in databases. OpenLayer is used to represent spatial data in other words to show maps and the different spatial layers. The GeoEngine module acts as a data provider @@ -401,15 +401,14 @@

    Geospatial support for Odoo

  • Known issues / Roadmap
  • Changelog
    • -
  • Bug Tracker
    • -
  • Credits @@ -419,18 +418,21 @@

    Installation

    To install this module, you need to have PostGIS installed.

    On Ubuntu:

    -
    -sudo apt-get install postgis
+
    +.. code-block:: bash
 
    
+
+
    
+sudo apt-get install postgis
    
 
    The module also requires two additional python libs:
    
 
-
    These two additional libs will be installed automatically with the
-module.
    
+
    When you will install the module this two additional libs will be
+installed.
    
 
    For a complete documentation please refer to the public
-documentation
    
+documenation
    
 
 
    
 
    Usage
    
@@ -526,17 +528,7 @@ 
    Known issues / Roadmap
    
 
    
 
    Changelog
    
 
    
-
    19.0.1.0.1
    
-
      
-
    • Migration to Odoo 19.0.
      • 
-
    • Migrated JavaScript frontend to OWL/ESM architecture.
      • 
-
    • Updated OpenLayers to version 10.5.0.
      • 
-
    • Updated Chroma.js to version 3.1.2.
      • 
-
    • Refactored domain handling for Odoo 19 ORM compatibility.
      • 
-
    
-
    
-
    
-
    16.0.1.0.0 (2023-03-20)
    
+
    16.0.1.0.0 (2023-03-20)
    
 
      
 
    • LayerSwitcher has been removed as it was not really practical. A
 LayerPanel is now active.
      • 
@@ -664,7 +656,7 @@ 
      16.0.1.0.0 (2023-03-20)
      
 
    
 
    
 
    
-
    Bug Tracker
    
+
    Bug Tracker
    
 
    Bugs are tracked on GitHub Issues.
 In case of trouble, please check there if your issue has already been reported.
 If you spotted it first, help us to smash it by providing a detailed and welcomed
@@ -672,16 +664,16 @@ 
    Bug Tracker
    
 
    Do not contact contributors directly about support or help with technical issues.
    
 
    
 
    
-
    Credits
    
+
    Credits
    
 
    
-
    Authors
    
+
    Authors
    
 
      
 
    • Camptocamp
      • 
 
    • ACSONE SA/NV
      • 
 
    
 
    
 
    
-
    Contributors
    
+
    Contributors
    • -
  • Red Butay
    • +
  • Red Butay <>
  • Sergio Sancho <sersanchus@gmail.com>
    • -

    Maintainers

    +

    Maintainers

    This module is maintained by the OCA.

    Odoo Community Association diff --git a/base_geoengine/static/lib/chromajs-3.2.0/LICENSE b/base_geoengine/static/lib/chromajs-3.2.0/LICENSE index 7c5937167..229c24a90 100644 --- a/base_geoengine/static/lib/chromajs-3.2.0/LICENSE +++ b/base_geoengine/static/lib/chromajs-3.2.0/LICENSE @@ -1,6 +1,6 @@ chroma.js - JavaScript library for color conversions -Copyright (c) 2011-2015, Gregor Aisch +Copyright (c) 2011-2025, Gregor Aisch All rights reserved. Redistribution and use in source and binary forms, with or without @@ -26,3 +26,29 @@ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +------------------------------------------------------- + +chroma.js includes colors from colorbrewer2.org, which are released under +the following license: + +Copyright (c) 2002 Cynthia Brewer, Mark Harrower, +and The Pennsylvania State University. + +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. + +------------------------------------------------------ + +Named colors are taken from X11 Color Names. +http://www.w3.org/TR/css3-color/#svg-color + +@preserve diff --git a/base_geoengine/static/lib/chromajs-3.2.0/chroma.js b/base_geoengine/static/lib/chromajs-3.2.0/chroma.js index 21c2e1d10..cc687c83e 100644 --- a/base_geoengine/static/lib/chromajs-3.2.0/chroma.js +++ b/base_geoengine/static/lib/chromajs-3.2.0/chroma.js @@ -55,3660 +55,8 @@ * @preserve */ -(function (global, factory) { - typeof exports === 'object' && typeof module !== 'undefined' ? module.exports = factory() : - typeof define === 'function' && define.amd ? define(factory) : - (global = typeof globalThis !== 'undefined' ? globalThis : global || self, global.chroma = factory()); -})(this, (function () { 'use strict'; - - var min$4 = Math.min; - var max$4 = Math.max; - - function limit (x, low, high) { - if ( low === void 0 ) low = 0; - if ( high === void 0 ) high = 1; - - return min$4(max$4(low, x), high); - } - - function clip_rgb (rgb) { - rgb._clipped = false; - rgb._unclipped = rgb.slice(0); - for (var i = 0; i <= 3; i++) { - if (i < 3) { - if (rgb[i] < 0 || rgb[i] > 255) { rgb._clipped = true; } - rgb[i] = limit(rgb[i], 0, 255); - } else if (i === 3) { - rgb[i] = limit(rgb[i], 0, 1); - } - } - return rgb; - } - - // ported from jQuery's $.type - var classToType = {}; - for (var i = 0, list = [ - 'Boolean', - 'Number', - 'String', - 'Function', - 'Array', - 'Date', - 'RegExp', - 'Undefined', - 'Null' - ]; i < list.length; i += 1) { - var name = list[i]; - - classToType[("[object " + name + "]")] = name.toLowerCase(); - } - function type (obj) { - return classToType[Object.prototype.toString.call(obj)] || 'object'; - } - - function unpack (args, keyOrder) { - if ( keyOrder === void 0 ) keyOrder = null; - - // if called with more than 3 arguments, we return the arguments - if (args.length >= 3) { return Array.prototype.slice.call(args); } - // with less than 3 args we check if first arg is object - // and use the keyOrder string to extract and sort properties - if (type(args[0]) == 'object' && keyOrder) { - return keyOrder - .split('') - .filter(function (k) { return args[0][k] !== undefined; }) - .map(function (k) { return args[0][k]; }); - } - // otherwise we just return the first argument - // (which we suppose is an array of args) - return args[0].slice(0); - } - - function last (args) { - if (args.length < 2) { return null; } - var l = args.length - 1; - if (type(args[l]) == 'string') { return args[l].toLowerCase(); } - return null; - } - - var PI$2 = Math.PI; - var min$3 = Math.min; - var max$3 = Math.max; - - var rnd2 = function (a) { return Math.round(a * 100) / 100; }; - var rnd3 = function (a) { return Math.round(a * 100) / 100; }; - - var TWOPI = PI$2 * 2; - var PITHIRD = PI$2 / 3; - var DEG2RAD = PI$2 / 180; - var RAD2DEG = 180 / PI$2; - - /** - * Reverse the first three elements of an array - * - * @param {any[]} arr - * @returns {any[]} - */ - function reverse3(arr) { - return arr.slice(0, 3).reverse().concat( arr.slice(3)); - } - - var input = { - format: {}, - autodetect: [] - }; - - var Color = function Color() { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var me = this; - if ( - type(args[0]) === 'object' && - args[0].constructor && - args[0].constructor === this.constructor - ) { - // the argument is already a Color instance - return args[0]; - } - // last argument could be the mode - var mode = last(args); - var autodetect = false; - if (!mode) { - autodetect = true; - - if (!input.sorted) { - input.autodetect = input.autodetect.sort(function (a, b) { return b.p - a.p; }); - input.sorted = true; - } - - // auto-detect format - for (var i = 0, list = input.autodetect; i < list.length; i += 1) { - var chk = list[i]; - - mode = chk.test.apply(chk, args); - if (mode) { break; } - } - } - if (input.format[mode]) { - var rgb = input.format[mode].apply( - null, - autodetect ? args : args.slice(0, -1) - ); - me._rgb = clip_rgb(rgb); - } else { - throw new Error('unknown format: ' + args); - } - // add alpha channel - if (me._rgb.length === 3) { me._rgb.push(1); } - }; - Color.prototype.toString = function toString () { - if (type(this.hex) == 'function') { return this.hex(); } - return ("[" + (this._rgb.join(',')) + "]"); - }; - - // this gets updated automatically - var version = '3.2.0'; - - var chroma = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args) )); - }; - - chroma.version = version; - - var cmyk2rgb = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'cmyk'); - var c = args[0]; - var m = args[1]; - var y = args[2]; - var k = args[3]; - var alpha = args.length > 4 ? args[4] : 1; - if (k === 1) { return [0, 0, 0, alpha]; } - return [ - c >= 1 ? 0 : 255 * (1 - c) * (1 - k), // r - m >= 1 ? 0 : 255 * (1 - m) * (1 - k), // g - y >= 1 ? 0 : 255 * (1 - y) * (1 - k), // b - alpha - ]; - }; - - var max$2 = Math.max; - - var rgb2cmyk = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var ref = unpack(args, 'rgb'); - var r = ref[0]; - var g = ref[1]; - var b = ref[2]; - r = r / 255; - g = g / 255; - b = b / 255; - var k = 1 - max$2(r, max$2(g, b)); - var f = k < 1 ? 1 / (1 - k) : 0; - var c = (1 - r - k) * f; - var m = (1 - g - k) * f; - var y = (1 - b - k) * f; - return [c, m, y, k]; - }; - - Color.prototype.cmyk = function () { - return rgb2cmyk(this._rgb); - }; - - var cmyk = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['cmyk']) )); - }; - Object.assign(chroma, { cmyk: cmyk }); - - input.format.cmyk = cmyk2rgb; - - input.autodetect.push({ - p: 2, - test: function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'cmyk'); - if (type(args) === 'array' && args.length === 4) { - return 'cmyk'; - } - } - }); - - /* - * supported arguments: - * - hsl2css(h,s,l) - * - hsl2css(h,s,l,a) - * - hsl2css([h,s,l], mode) - * - hsl2css([h,s,l,a], mode) - * - hsl2css({h,s,l,a}, mode) - */ - var hsl2css = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var hsla = unpack(args, 'hsla'); - var mode = last(args) || 'lsa'; - hsla[0] = rnd2(hsla[0] || 0) + 'deg'; - hsla[1] = rnd2(hsla[1] * 100) + '%'; - hsla[2] = rnd2(hsla[2] * 100) + '%'; - if (mode === 'hsla' || (hsla.length > 3 && hsla[3] < 1)) { - hsla[3] = '/ ' + (hsla.length > 3 ? hsla[3] : 1); - mode = 'hsla'; - } else { - hsla.length = 3; - } - return ((mode.substr(0, 3)) + "(" + (hsla.join(' ')) + ")"); - }; - - /* - * supported arguments: - * - rgb2hsl(r,g,b) - * - rgb2hsl(r,g,b,a) - * - rgb2hsl([r,g,b]) - * - rgb2hsl([r,g,b,a]) - * - rgb2hsl({r,g,b,a}) - */ - var rgb2hsl$1 = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'rgba'); - var r = args[0]; - var g = args[1]; - var b = args[2]; - - r /= 255; - g /= 255; - b /= 255; - - var minRgb = min$3(r, g, b); - var maxRgb = max$3(r, g, b); - - var l = (maxRgb + minRgb) / 2; - var s, h; - - if (maxRgb === minRgb) { - s = 0; - h = Number.NaN; - } else { - s = - l < 0.5 - ? (maxRgb - minRgb) / (maxRgb + minRgb) - : (maxRgb - minRgb) / (2 - maxRgb - minRgb); - } - - if (r == maxRgb) { h = (g - b) / (maxRgb - minRgb); } - else if (g == maxRgb) { h = 2 + (b - r) / (maxRgb - minRgb); } - else if (b == maxRgb) { h = 4 + (r - g) / (maxRgb - minRgb); } - - h *= 60; - if (h < 0) { h += 360; } - if (args.length > 3 && args[3] !== undefined) { return [h, s, l, args[3]]; } - return [h, s, l]; - }; - - /* - * supported arguments: - * - lab2css(l,a,b) - * - lab2css(l,a,b,alpha) - * - lab2css([l,a,b], mode) - * - lab2css([l,a,b,alpha], mode) - */ - var lab2css = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var laba = unpack(args, 'lab'); - var mode = last(args) || 'lab'; - laba[0] = rnd2(laba[0]) + '%'; - laba[1] = rnd2(laba[1]); - laba[2] = rnd2(laba[2]); - if (mode === 'laba' || (laba.length > 3 && laba[3] < 1)) { - laba[3] = '/ ' + (laba.length > 3 ? laba[3] : 1); - } else { - laba.length = 3; - } - return ("lab(" + (laba.join(' ')) + ")"); - }; - - var labConstants = { - // Corresponds roughly to RGB brighter/darker - Kn: 18, - - // D65 standard referent - labWhitePoint: 'd65', - Xn: 0.95047, - Yn: 1, - Zn: 1.08883, - - kE: 216.0 / 24389.0, - kKE: 8.0, - kK: 24389.0 / 27.0, - - RefWhiteRGB: { - // sRGB - X: 0.95047, - Y: 1, - Z: 1.08883 - }, - - MtxRGB2XYZ: { - m00: 0.4124564390896922, - m01: 0.21267285140562253, - m02: 0.0193338955823293, - m10: 0.357576077643909, - m11: 0.715152155287818, - m12: 0.11919202588130297, - m20: 0.18043748326639894, - m21: 0.07217499330655958, - m22: 0.9503040785363679 - }, - - MtxXYZ2RGB: { - m00: 3.2404541621141045, - m01: -0.9692660305051868, - m02: 0.055643430959114726, - m10: -1.5371385127977166, - m11: 1.8760108454466942, - m12: -0.2040259135167538, - m20: -0.498531409556016, - m21: 0.041556017530349834, - m22: 1.0572251882231791 - }, - - // used in rgb2xyz - As: 0.9414285350000001, - Bs: 1.040417467, - Cs: 1.089532651, - - MtxAdaptMa: { - m00: 0.8951, - m01: -0.7502, - m02: 0.0389, - m10: 0.2664, - m11: 1.7135, - m12: -0.0685, - m20: -0.1614, - m21: 0.0367, - m22: 1.0296 - }, - - MtxAdaptMaI: { - m00: 0.9869929054667123, - m01: 0.43230526972339456, - m02: -0.008528664575177328, - m10: -0.14705425642099013, - m11: 0.5183602715367776, - m12: 0.04004282165408487, - m20: 0.15996265166373125, - m21: 0.0492912282128556, - m22: 0.9684866957875502 - } - }; - - // taken from https://de.mathworks.com/help/images/ref/whitepoint.html - var ILLUMINANTS = new Map([ - // ASTM E308-01 - ['a', [1.0985, 0.35585]], - // Wyszecki & Stiles, p. 769 - ['b', [1.0985, 0.35585]], - // C ASTM E308-01 - ['c', [0.98074, 1.18232]], - // D50 (ASTM E308-01) - ['d50', [0.96422, 0.82521]], - // D55 (ASTM E308-01) - ['d55', [0.95682, 0.92149]], - // D65 (ASTM E308-01) - ['d65', [0.95047, 1.08883]], - // E (ASTM E308-01) - ['e', [1, 1, 1]], - // F2 (ASTM E308-01) - ['f2', [0.99186, 0.67393]], - // F7 (ASTM E308-01) - ['f7', [0.95041, 1.08747]], - // F11 (ASTM E308-01) - ['f11', [1.00962, 0.6435]], - ['icc', [0.96422, 0.82521]] - ]); - - function setLabWhitePoint(name) { - var ill = ILLUMINANTS.get(String(name).toLowerCase()); - if (!ill) { - throw new Error('unknown Lab illuminant ' + name); - } - labConstants.labWhitePoint = name; - labConstants.Xn = ill[0]; - labConstants.Zn = ill[1]; - } - - function getLabWhitePoint() { - return labConstants.labWhitePoint; - } - - var rgb2lab = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var ref = unpack(args, 'rgb'); - var r = ref[0]; - var g = ref[1]; - var b = ref[2]; - var rest = ref.slice(3); - var ref$1 = rgb2xyz(r, g, b); - var x = ref$1[0]; - var y = ref$1[1]; - var z = ref$1[2]; - var ref$2 = xyz2lab(x, y, z); - var L = ref$2[0]; - var a = ref$2[1]; - var b_ = ref$2[2]; - return [L, a, b_ ].concat( (rest.length > 0 && rest[0] < 1 ? [rest[0]] : [])); - }; - - function xyz2lab(x, y, z) { - var Xn = labConstants.Xn; - var Yn = labConstants.Yn; - var Zn = labConstants.Zn; - var kE = labConstants.kE; - var kK = labConstants.kK; - var xr = x / Xn; - var yr = y / Yn; - var zr = z / Zn; - - var fx = xr > kE ? Math.pow(xr, 1.0 / 3.0) : (kK * xr + 16.0) / 116.0; - var fy = yr > kE ? Math.pow(yr, 1.0 / 3.0) : (kK * yr + 16.0) / 116.0; - var fz = zr > kE ? Math.pow(zr, 1.0 / 3.0) : (kK * zr + 16.0) / 116.0; - - return [116.0 * fy - 16.0, 500.0 * (fx - fy), 200.0 * (fy - fz)]; - } - - function gammaAdjustSRGB(companded) { - var sign = Math.sign(companded); - companded = Math.abs(companded); - var linear = - companded <= 0.04045 - ? companded / 12.92 - : Math.pow((companded + 0.055) / 1.055, 2.4); - return linear * sign; - } - - var rgb2xyz = function (r, g, b) { - // normalize and gamma adjust - r = gammaAdjustSRGB(r / 255); - g = gammaAdjustSRGB(g / 255); - b = gammaAdjustSRGB(b / 255); - - var MtxRGB2XYZ = labConstants.MtxRGB2XYZ; - var MtxAdaptMa = labConstants.MtxAdaptMa; - var MtxAdaptMaI = labConstants.MtxAdaptMaI; - var Xn = labConstants.Xn; - var Yn = labConstants.Yn; - var Zn = labConstants.Zn; - var As = labConstants.As; - var Bs = labConstants.Bs; - var Cs = labConstants.Cs; - - var x = r * MtxRGB2XYZ.m00 + g * MtxRGB2XYZ.m10 + b * MtxRGB2XYZ.m20; - var y = r * MtxRGB2XYZ.m01 + g * MtxRGB2XYZ.m11 + b * MtxRGB2XYZ.m21; - var z = r * MtxRGB2XYZ.m02 + g * MtxRGB2XYZ.m12 + b * MtxRGB2XYZ.m22; - - var Ad = Xn * MtxAdaptMa.m00 + Yn * MtxAdaptMa.m10 + Zn * MtxAdaptMa.m20; - var Bd = Xn * MtxAdaptMa.m01 + Yn * MtxAdaptMa.m11 + Zn * MtxAdaptMa.m21; - var Cd = Xn * MtxAdaptMa.m02 + Yn * MtxAdaptMa.m12 + Zn * MtxAdaptMa.m22; - - var X = x * MtxAdaptMa.m00 + y * MtxAdaptMa.m10 + z * MtxAdaptMa.m20; - var Y = x * MtxAdaptMa.m01 + y * MtxAdaptMa.m11 + z * MtxAdaptMa.m21; - var Z = x * MtxAdaptMa.m02 + y * MtxAdaptMa.m12 + z * MtxAdaptMa.m22; - - X *= Ad / As; - Y *= Bd / Bs; - Z *= Cd / Cs; - - x = X * MtxAdaptMaI.m00 + Y * MtxAdaptMaI.m10 + Z * MtxAdaptMaI.m20; - y = X * MtxAdaptMaI.m01 + Y * MtxAdaptMaI.m11 + Z * MtxAdaptMaI.m21; - z = X * MtxAdaptMaI.m02 + Y * MtxAdaptMaI.m12 + Z * MtxAdaptMaI.m22; - - return [x, y, z]; - }; - - /* - * supported arguments: - * - lab2css(l,a,b) - * - lab2css(l,a,b,alpha) - * - lab2css([l,a,b], mode) - * - lab2css([l,a,b,alpha], mode) - */ - var lch2css = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var lcha = unpack(args, 'lch'); - var mode = last(args) || 'lab'; - lcha[0] = rnd2(lcha[0]) + '%'; - lcha[1] = rnd2(lcha[1]); - lcha[2] = isNaN(lcha[2]) ? 'none' : rnd2(lcha[2]) + 'deg'; // add deg unit to hue - if (mode === 'lcha' || (lcha.length > 3 && lcha[3] < 1)) { - lcha[3] = '/ ' + (lcha.length > 3 ? lcha[3] : 1); - } else { - lcha.length = 3; - } - return ("lch(" + (lcha.join(' ')) + ")"); - }; - - var sqrt$4 = Math.sqrt; - var atan2$2 = Math.atan2; - var round$5 = Math.round; - - var lab2lch = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var ref = unpack(args, 'lab'); - var l = ref[0]; - var a = ref[1]; - var b = ref[2]; - var c = sqrt$4(a * a + b * b); - var h = (atan2$2(b, a) * RAD2DEG + 360) % 360; - if (round$5(c * 10000) === 0) { h = Number.NaN; } - return [l, c, h]; - }; - - var rgb2lch = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var ref = unpack(args, 'rgb'); - var r = ref[0]; - var g = ref[1]; - var b = ref[2]; - var rest = ref.slice(3); - var ref$1 = rgb2lab(r, g, b); - var l = ref$1[0]; - var a = ref$1[1]; - var b_ = ref$1[2]; - var ref$2 = lab2lch(l, a, b_); - var L = ref$2[0]; - var c = ref$2[1]; - var h = ref$2[2]; - return [L, c, h ].concat( (rest.length > 0 && rest[0] < 1 ? [rest[0]] : [])); - }; - - // from https://www.w3.org/TR/css-color-4/multiply-matrices.js - function multiplyMatrices(A, B) { - var m = A.length; - - if (!Array.isArray(A[0])) { - // A is vector, convert to [[a, b, c, ...]] - A = [A]; - } - - if (!Array.isArray(B[0])) { - // B is vector, convert to [[a], [b], [c], ...]] - B = B.map(function (x) { return [x]; }); - } - - var p = B[0].length; - var B_cols = B[0].map(function (_, i) { return B.map(function (x) { return x[i]; }); }); // transpose B - var product = A.map(function (row) { return B_cols.map(function (col) { - if (!Array.isArray(row)) { - return col.reduce(function (a, c) { return a + c * row; }, 0); - } - - return row.reduce(function (a, c, i) { return a + c * (col[i] || 0); }, 0); - }); } - ); - - if (m === 1) { - product = product[0]; // Avoid [[a, b, c, ...]] - } - - if (p === 1) { - return product.map(function (x) { return x[0]; }); // Avoid [[a], [b], [c], ...]] - } - - return product; - } - - var rgb2oklab = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var ref = unpack(args, 'rgb'); - var r = ref[0]; - var g = ref[1]; - var b = ref[2]; - var rest = ref.slice(3); - var xyz = rgb2xyz(r, g, b); - var oklab = XYZ_to_OKLab(xyz); - return oklab.concat( (rest.length > 0 && rest[0] < 1 ? [rest[0]] : [])); - }; - - // from https://www.w3.org/TR/css-color-4/#color-conversion-code - function XYZ_to_OKLab(XYZ) { - // Given XYZ relative to D65, convert to OKLab - var XYZtoLMS = [ - [0.819022437996703, 0.3619062600528904, -0.1288737815209879], - [0.0329836539323885, 0.9292868615863434, 0.0361446663506424], - [0.0481771893596242, 0.2642395317527308, 0.6335478284694309] - ]; - var LMStoOKLab = [ - [0.210454268309314, 0.7936177747023054, -0.0040720430116193], - [1.9779985324311684, -2.42859224204858, 0.450593709617411], - [0.0259040424655478, 0.7827717124575296, -0.8086757549230774] - ]; - - var LMS = multiplyMatrices(XYZtoLMS, XYZ); - // JavaScript Math.cbrt returns a sign-matched cube root - // beware if porting to other languages - // especially if tempted to use a general power function - return multiplyMatrices( - LMStoOKLab, - LMS.map(function (c) { return Math.cbrt(c); }) - ); - // L in range [0,1]. For use in CSS, multiply by 100 and add a percent - } - - var oklab2css = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var laba = unpack(args, 'lab'); - laba[0] = rnd2(laba[0] * 100) + '%'; - laba[1] = rnd3(laba[1]); - laba[2] = rnd3(laba[2]); - if (laba.length > 3 && laba[3] < 1) { - laba[3] = '/ ' + (laba.length > 3 ? laba[3] : 1); - } else { - laba.length = 3; - } - return ("oklab(" + (laba.join(' ')) + ")"); - }; - - var rgb2oklch = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var ref = unpack(args, 'rgb'); - var r = ref[0]; - var g = ref[1]; - var b = ref[2]; - var rest = ref.slice(3); - var ref$1 = rgb2oklab(r, g, b); - var l = ref$1[0]; - var a = ref$1[1]; - var b_ = ref$1[2]; - var ref$2 = lab2lch(l, a, b_); - var L = ref$2[0]; - var c = ref$2[1]; - var h = ref$2[2]; - return [L, c, h ].concat( (rest.length > 0 && rest[0] < 1 ? [rest[0]] : [])); - }; - - var oklch2css = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var lcha = unpack(args, 'lch'); - lcha[0] = rnd2(lcha[0] * 100) + '%'; - lcha[1] = rnd3(lcha[1]); - lcha[2] = isNaN(lcha[2]) ? 'none' : rnd2(lcha[2]) + 'deg'; // add deg unit to hue - if (lcha.length > 3 && lcha[3] < 1) { - lcha[3] = '/ ' + (lcha.length > 3 ? lcha[3] : 1); - } else { - lcha.length = 3; - } - return ("oklch(" + (lcha.join(' ')) + ")"); - }; - - var round$4 = Math.round; - - /* - * supported arguments: - * - rgb2css(r,g,b) - * - rgb2css(r,g,b,a) - * - rgb2css([r,g,b], mode) - * - rgb2css([r,g,b,a], mode) - * - rgb2css({r,g,b,a}, mode) - */ - var rgb2css = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var rgba = unpack(args, 'rgba'); - var mode = last(args) || 'rgb'; - if (mode.substr(0, 3) === 'hsl') { - return hsl2css(rgb2hsl$1(rgba), mode); - } - if (mode.substr(0, 3) === 'lab') { - // change to D50 lab whitepoint since this is what W3C is using for CSS Lab colors - var prevWhitePoint = getLabWhitePoint(); - setLabWhitePoint('d50'); - var cssColor = lab2css(rgb2lab(rgba), mode); - setLabWhitePoint(prevWhitePoint); - return cssColor; - } - if (mode.substr(0, 3) === 'lch') { - // change to D50 lab whitepoint since this is what W3C is using for CSS Lab colors - var prevWhitePoint$1 = getLabWhitePoint(); - setLabWhitePoint('d50'); - var cssColor$1 = lch2css(rgb2lch(rgba), mode); - setLabWhitePoint(prevWhitePoint$1); - return cssColor$1; - } - if (mode.substr(0, 5) === 'oklab') { - return oklab2css(rgb2oklab(rgba)); - } - if (mode.substr(0, 5) === 'oklch') { - return oklch2css(rgb2oklch(rgba)); - } - rgba[0] = round$4(rgba[0]); - rgba[1] = round$4(rgba[1]); - rgba[2] = round$4(rgba[2]); - if (mode === 'rgba' || (rgba.length > 3 && rgba[3] < 1)) { - rgba[3] = '/ ' + (rgba.length > 3 ? rgba[3] : 1); - mode = 'rgba'; - } - return ((mode.substr(0, 3)) + "(" + (rgba.slice(0, mode === 'rgb' ? 3 : 4).join(' ')) + ")"); - }; - - var hsl2rgb = function () { - var assign; - - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - args = unpack(args, 'hsl'); - var h = args[0]; - var s = args[1]; - var l = args[2]; - var r, g, b; - if (s === 0) { - r = g = b = l * 255; - } else { - var t3 = [0, 0, 0]; - var c = [0, 0, 0]; - var t2 = l < 0.5 ? l * (1 + s) : l + s - l * s; - var t1 = 2 * l - t2; - var h_ = h / 360; - t3[0] = h_ + 1 / 3; - t3[1] = h_; - t3[2] = h_ - 1 / 3; - for (var i = 0; i < 3; i++) { - if (t3[i] < 0) { t3[i] += 1; } - if (t3[i] > 1) { t3[i] -= 1; } - if (6 * t3[i] < 1) { c[i] = t1 + (t2 - t1) * 6 * t3[i]; } - else if (2 * t3[i] < 1) { c[i] = t2; } - else if (3 * t3[i] < 2) { c[i] = t1 + (t2 - t1) * (2 / 3 - t3[i]) * 6; } - else { c[i] = t1; } - } - (assign = [c[0] * 255, c[1] * 255, c[2] * 255], r = assign[0], g = assign[1], b = assign[2]); - } - if (args.length > 3) { - // keep alpha channel - return [r, g, b, args[3]]; - } - return [r, g, b, 1]; - }; - - /* - * L* [0..100] - * a [-100..100] - * b [-100..100] - */ - var lab2rgb = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'lab'); - var L = args[0]; - var a = args[1]; - var b = args[2]; - var ref = lab2xyz(L, a, b); - var x = ref[0]; - var y = ref[1]; - var z = ref[2]; - var ref$1 = xyz2rgb(x, y, z); - var r = ref$1[0]; - var g = ref$1[1]; - var b_ = ref$1[2]; - return [r, g, b_, args.length > 3 ? args[3] : 1]; - }; - - var lab2xyz = function (L, a, b) { - var kE = labConstants.kE; - var kK = labConstants.kK; - var kKE = labConstants.kKE; - var Xn = labConstants.Xn; - var Yn = labConstants.Yn; - var Zn = labConstants.Zn; - - var fy = (L + 16.0) / 116.0; - var fx = 0.002 * a + fy; - var fz = fy - 0.005 * b; - - var fx3 = fx * fx * fx; - var fz3 = fz * fz * fz; - - var xr = fx3 > kE ? fx3 : (116.0 * fx - 16.0) / kK; - var yr = L > kKE ? Math.pow((L + 16.0) / 116.0, 3.0) : L / kK; - var zr = fz3 > kE ? fz3 : (116.0 * fz - 16.0) / kK; - - var x = xr * Xn; - var y = yr * Yn; - var z = zr * Zn; - - return [x, y, z]; - }; - - var compand = function (linear) { - /* sRGB */ - var sign = Math.sign(linear); - linear = Math.abs(linear); - return ( - (linear <= 0.0031308 - ? linear * 12.92 - : 1.055 * Math.pow(linear, 1.0 / 2.4) - 0.055) * sign - ); - }; - - var xyz2rgb = function (x, y, z) { - var MtxAdaptMa = labConstants.MtxAdaptMa; - var MtxAdaptMaI = labConstants.MtxAdaptMaI; - var MtxXYZ2RGB = labConstants.MtxXYZ2RGB; - var RefWhiteRGB = labConstants.RefWhiteRGB; - var Xn = labConstants.Xn; - var Yn = labConstants.Yn; - var Zn = labConstants.Zn; - - var As = Xn * MtxAdaptMa.m00 + Yn * MtxAdaptMa.m10 + Zn * MtxAdaptMa.m20; - var Bs = Xn * MtxAdaptMa.m01 + Yn * MtxAdaptMa.m11 + Zn * MtxAdaptMa.m21; - var Cs = Xn * MtxAdaptMa.m02 + Yn * MtxAdaptMa.m12 + Zn * MtxAdaptMa.m22; - - var Ad = - RefWhiteRGB.X * MtxAdaptMa.m00 + - RefWhiteRGB.Y * MtxAdaptMa.m10 + - RefWhiteRGB.Z * MtxAdaptMa.m20; - var Bd = - RefWhiteRGB.X * MtxAdaptMa.m01 + - RefWhiteRGB.Y * MtxAdaptMa.m11 + - RefWhiteRGB.Z * MtxAdaptMa.m21; - var Cd = - RefWhiteRGB.X * MtxAdaptMa.m02 + - RefWhiteRGB.Y * MtxAdaptMa.m12 + - RefWhiteRGB.Z * MtxAdaptMa.m22; - - var X1 = - (x * MtxAdaptMa.m00 + y * MtxAdaptMa.m10 + z * MtxAdaptMa.m20) * - (Ad / As); - var Y1 = - (x * MtxAdaptMa.m01 + y * MtxAdaptMa.m11 + z * MtxAdaptMa.m21) * - (Bd / Bs); - var Z1 = - (x * MtxAdaptMa.m02 + y * MtxAdaptMa.m12 + z * MtxAdaptMa.m22) * - (Cd / Cs); - - var X2 = - X1 * MtxAdaptMaI.m00 + Y1 * MtxAdaptMaI.m10 + Z1 * MtxAdaptMaI.m20; - var Y2 = - X1 * MtxAdaptMaI.m01 + Y1 * MtxAdaptMaI.m11 + Z1 * MtxAdaptMaI.m21; - var Z2 = - X1 * MtxAdaptMaI.m02 + Y1 * MtxAdaptMaI.m12 + Z1 * MtxAdaptMaI.m22; - - var r = compand( - X2 * MtxXYZ2RGB.m00 + Y2 * MtxXYZ2RGB.m10 + Z2 * MtxXYZ2RGB.m20 - ); - var g = compand( - X2 * MtxXYZ2RGB.m01 + Y2 * MtxXYZ2RGB.m11 + Z2 * MtxXYZ2RGB.m21 - ); - var b = compand( - X2 * MtxXYZ2RGB.m02 + Y2 * MtxXYZ2RGB.m12 + Z2 * MtxXYZ2RGB.m22 - ); - - return [r * 255, g * 255, b * 255]; - }; - - var sin$3 = Math.sin; - var cos$4 = Math.cos; - - var lch2lab = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - /* - Convert from a qualitative parameter h and a quantitative parameter l to a 24-bit pixel. - These formulas were invented by David Dalrymple to obtain maximum contrast without going - out of gamut if the parameters are in the range 0-1. - - A saturation multiplier was added by Gregor Aisch - */ - var ref = unpack(args, 'lch'); - var l = ref[0]; - var c = ref[1]; - var h = ref[2]; - if (isNaN(h)) { h = 0; } - h = h * DEG2RAD; - return [l, cos$4(h) * c, sin$3(h) * c]; - }; - - var lch2rgb = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'lch'); - var l = args[0]; - var c = args[1]; - var h = args[2]; - var ref = lch2lab(l, c, h); - var L = ref[0]; - var a = ref[1]; - var b_ = ref[2]; - var ref$1 = lab2rgb(L, a, b_); - var r = ref$1[0]; - var g = ref$1[1]; - var b = ref$1[2]; - return [r, g, b, args.length > 3 ? args[3] : 1]; - }; - - var oklab2rgb = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'lab'); - var L = args[0]; - var a = args[1]; - var b = args[2]; - var rest = args.slice(3); - var ref = OKLab_to_XYZ([L, a, b]); - var X = ref[0]; - var Y = ref[1]; - var Z = ref[2]; - var ref$1 = xyz2rgb(X, Y, Z); - var r = ref$1[0]; - var g = ref$1[1]; - var b_ = ref$1[2]; - return [r, g, b_ ].concat( (rest.length > 0 && rest[0] < 1 ? [rest[0]] : [])); - }; - - // from https://www.w3.org/TR/css-color-4/#color-conversion-code - function OKLab_to_XYZ(OKLab) { - // Given OKLab, convert to XYZ relative to D65 - var LMStoXYZ = [ - [1.2268798758459243, -0.5578149944602171, 0.2813910456659647], - [-0.0405757452148008, 1.112286803280317, -0.0717110580655164], - [-0.0763729366746601, -0.4214933324022432, 1.5869240198367816] - ]; - var OKLabtoLMS = [ - [1.0, 0.3963377773761749, 0.2158037573099136], - [1.0, -0.1055613458156586, -0.0638541728258133], - [1.0, -0.0894841775298119, -1.2914855480194092] - ]; - - var LMSnl = multiplyMatrices(OKLabtoLMS, OKLab); - return multiplyMatrices( - LMStoXYZ, - LMSnl.map(function (c) { return Math.pow( c, 3 ); }) - ); - } - - var oklch2rgb = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'lch'); - var l = args[0]; - var c = args[1]; - var h = args[2]; - var rest = args.slice(3); - var ref = lch2lab(l, c, h); - var L = ref[0]; - var a = ref[1]; - var b_ = ref[2]; - var ref$1 = oklab2rgb(L, a, b_); - var r = ref$1[0]; - var g = ref$1[1]; - var b = ref$1[2]; - return [r, g, b ].concat( (rest.length > 0 && rest[0] < 1 ? [rest[0]] : [])); - }; - - var INT_OR_PCT = /((?:-?\d+)|(?:-?\d+(?:\.\d+)?)%|none)/.source; - var FLOAT_OR_PCT = /((?:-?(?:\d+(?:\.\d*)?|\.\d+)%?)|none)/.source; - var PCT = /((?:-?(?:\d+(?:\.\d*)?|\.\d+)%)|none)/.source; - var RE_S = /\s*/.source; - var SEP = /\s+/.source; - var COMMA = /\s*,\s*/.source; - var ANLGE = /((?:-?(?:\d+(?:\.\d*)?|\.\d+)(?:deg)?)|none)/.source; - var ALPHA = /\s*(?:\/\s*((?:[01]|[01]?\.\d+)|\d+(?:\.\d+)?%))?/.source; - - // e.g. rgb(250 20 0), rgb(100% 50% 20%), rgb(100% 50% 20% / 0.5) - var RE_RGB = new RegExp( - '^rgba?\\(' + - RE_S + - [INT_OR_PCT, INT_OR_PCT, INT_OR_PCT].join(SEP) + - ALPHA + - '\\)$' - ); - var RE_RGB_LEGACY = new RegExp( - '^rgb\\(' + - RE_S + - [INT_OR_PCT, INT_OR_PCT, INT_OR_PCT].join(COMMA) + - RE_S + - '\\)$' - ); - var RE_RGBA_LEGACY = new RegExp( - '^rgba\\(' + - RE_S + - [INT_OR_PCT, INT_OR_PCT, INT_OR_PCT, FLOAT_OR_PCT].join(COMMA) + - RE_S + - '\\)$' - ); - - var RE_HSL = new RegExp( - '^hsla?\\(' + RE_S + [ANLGE, PCT, PCT].join(SEP) + ALPHA + '\\)$' - ); - var RE_HSL_LEGACY = new RegExp( - '^hsl?\\(' + RE_S + [ANLGE, PCT, PCT].join(COMMA) + RE_S + '\\)$' - ); - var RE_HSLA_LEGACY = - /^hsla\(\s*(-?\d+(?:\.\d+)?),\s*(-?\d+(?:\.\d+)?)%\s*,\s*(-?\d+(?:\.\d+)?)%\s*,\s*([01]|[01]?\.\d+)\)$/; - - var RE_LAB = new RegExp( - '^lab\\(' + - RE_S + - [FLOAT_OR_PCT, FLOAT_OR_PCT, FLOAT_OR_PCT].join(SEP) + - ALPHA + - '\\)$' - ); - var RE_LCH = new RegExp( - '^lch\\(' + - RE_S + - [FLOAT_OR_PCT, FLOAT_OR_PCT, ANLGE].join(SEP) + - ALPHA + - '\\)$' - ); - var RE_OKLAB = new RegExp( - '^oklab\\(' + - RE_S + - [FLOAT_OR_PCT, FLOAT_OR_PCT, FLOAT_OR_PCT].join(SEP) + - ALPHA + - '\\)$' - ); - var RE_OKLCH = new RegExp( - '^oklch\\(' + - RE_S + - [FLOAT_OR_PCT, FLOAT_OR_PCT, ANLGE].join(SEP) + - ALPHA + - '\\)$' - ); - - var round$3 = Math.round; - - var roundRGB = function (rgb) { - return rgb.map(function (v, i) { return (i <= 2 ? limit(round$3(v), 0, 255) : v); }); - }; - - var percentToAbsolute = function (pct, min, max, signed) { - if ( min === void 0 ) min = 0; - if ( max === void 0 ) max = 100; - if ( signed === void 0 ) signed = false; - - if (typeof pct === 'string' && pct.endsWith('%')) { - pct = parseFloat(pct.substring(0, pct.length - 1)) / 100; - if (signed) { - // signed percentages are in the range -100% to 100% - pct = min + (pct + 1) * 0.5 * (max - min); - } else { - pct = min + pct * (max - min); - } - } - return +pct; - }; - - var noneToValue = function (v, noneValue) { - return v === 'none' ? noneValue : v; - }; - - var css2rgb = function (css) { - css = css.toLowerCase().trim(); - - if (css === 'transparent') { - return [0, 0, 0, 0]; - } - - var m; - - if (input.format.named) { - try { - return input.format.named(css); - // eslint-disable-next-line - } catch (e) {} - } - - // rgb(250 20 0) or rgb(250,20,0) - if ((m = css.match(RE_RGB)) || (m = css.match(RE_RGB_LEGACY))) { - var rgb = m.slice(1, 4); - for (var i = 0; i < 3; i++) { - rgb[i] = +percentToAbsolute(noneToValue(rgb[i], 0), 0, 255); - } - rgb = roundRGB(rgb); - var alpha = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; - rgb[3] = alpha; // default alpha - return rgb; - } - - // rgba(250,20,0,0.4) - if ((m = css.match(RE_RGBA_LEGACY))) { - var rgb$1 = m.slice(1, 5); - for (var i$1 = 0; i$1 < 4; i$1++) { - rgb$1[i$1] = +percentToAbsolute(rgb$1[i$1], 0, 255); - } - return rgb$1; - } - - // hsl(0,100%,50%) - if ((m = css.match(RE_HSL)) || (m = css.match(RE_HSL_LEGACY))) { - var hsl = m.slice(1, 4); - hsl[0] = +noneToValue(hsl[0].replace('deg', ''), 0); - hsl[1] = +percentToAbsolute(noneToValue(hsl[1], 0), 0, 100) * 0.01; - hsl[2] = +percentToAbsolute(noneToValue(hsl[2], 0), 0, 100) * 0.01; - var rgb$2 = roundRGB(hsl2rgb(hsl)); - var alpha$1 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; - rgb$2[3] = alpha$1; - return rgb$2; - } - - // hsla(0,100%,50%,0.5) - if ((m = css.match(RE_HSLA_LEGACY))) { - var hsl$1 = m.slice(1, 4); - hsl$1[1] *= 0.01; - hsl$1[2] *= 0.01; - var rgb$3 = hsl2rgb(hsl$1); - for (var i$2 = 0; i$2 < 3; i$2++) { - rgb$3[i$2] = round$3(rgb$3[i$2]); - } - rgb$3[3] = +m[4]; // default alpha = 1 - return rgb$3; - } - - if ((m = css.match(RE_LAB))) { - var lab = m.slice(1, 4); - lab[0] = percentToAbsolute(noneToValue(lab[0], 0), 0, 100); - lab[1] = percentToAbsolute(noneToValue(lab[1], 0), -125, 125, true); - lab[2] = percentToAbsolute(noneToValue(lab[2], 0), -125, 125, true); - // convert to D50 Lab whitepoint - var wp = getLabWhitePoint(); - setLabWhitePoint('d50'); - var rgb$4 = roundRGB(lab2rgb(lab)); - // convert back to original Lab whitepoint - setLabWhitePoint(wp); - var alpha$2 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; - rgb$4[3] = alpha$2; - return rgb$4; - } - - if ((m = css.match(RE_LCH))) { - var lch = m.slice(1, 4); - lch[0] = percentToAbsolute(lch[0], 0, 100); - lch[1] = percentToAbsolute(noneToValue(lch[1], 0), 0, 150, false); - lch[2] = +noneToValue(lch[2].replace('deg', ''), 0); - // convert to D50 Lab whitepoint - var wp$1 = getLabWhitePoint(); - setLabWhitePoint('d50'); - var rgb$5 = roundRGB(lch2rgb(lch)); - // convert back to original Lab whitepoint - setLabWhitePoint(wp$1); - var alpha$3 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; - rgb$5[3] = alpha$3; - return rgb$5; - } - - if ((m = css.match(RE_OKLAB))) { - var oklab = m.slice(1, 4); - oklab[0] = percentToAbsolute(noneToValue(oklab[0], 0), 0, 1); - oklab[1] = percentToAbsolute(noneToValue(oklab[1], 0), -0.4, 0.4, true); - oklab[2] = percentToAbsolute(noneToValue(oklab[2], 0), -0.4, 0.4, true); - var rgb$6 = roundRGB(oklab2rgb(oklab)); - var alpha$4 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; - rgb$6[3] = alpha$4; - return rgb$6; - } - - if ((m = css.match(RE_OKLCH))) { - var oklch = m.slice(1, 4); - oklch[0] = percentToAbsolute(noneToValue(oklch[0], 0), 0, 1); - oklch[1] = percentToAbsolute(noneToValue(oklch[1], 0), 0, 0.4, false); - oklch[2] = +noneToValue(oklch[2].replace('deg', ''), 0); - var rgb$7 = roundRGB(oklch2rgb(oklch)); - var alpha$5 = m[4] !== undefined ? +percentToAbsolute(m[4], 0, 1) : 1; - rgb$7[3] = alpha$5; - return rgb$7; - } - }; - - css2rgb.test = function (s) { - return ( - // modern - RE_RGB.test(s) || - RE_HSL.test(s) || - RE_LAB.test(s) || - RE_LCH.test(s) || - RE_OKLAB.test(s) || - RE_OKLCH.test(s) || - // legacy - RE_RGB_LEGACY.test(s) || - RE_RGBA_LEGACY.test(s) || - RE_HSL_LEGACY.test(s) || - RE_HSLA_LEGACY.test(s) || - s === 'transparent' - ); - }; - - Color.prototype.css = function (mode) { - return rgb2css(this._rgb, mode); - }; - - var css = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['css']) )); - }; - chroma.css = css; - - input.format.css = css2rgb; - - input.autodetect.push({ - p: 5, - test: function (h) { - var rest = [], len = arguments.length - 1; - while ( len-- > 0 ) rest[ len ] = arguments[ len + 1 ]; - - if (!rest.length && type(h) === 'string' && css2rgb.test(h)) { - return 'css'; - } - } - }); - - input.format.gl = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var rgb = unpack(args, 'rgba'); - rgb[0] *= 255; - rgb[1] *= 255; - rgb[2] *= 255; - return rgb; - }; - - var gl = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['gl']) )); - }; - chroma.gl = gl; - - Color.prototype.gl = function () { - var rgb = this._rgb; - return [rgb[0] / 255, rgb[1] / 255, rgb[2] / 255, rgb[3]]; - }; - - var floor$3 = Math.floor; - - /* - * this is basically just HSV with some minor tweaks - * - * hue.. [0..360] - * chroma .. [0..1] - * grayness .. [0..1] - */ - - var hcg2rgb = function () { - var assign, assign$1, assign$2, assign$3, assign$4, assign$5; - - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - args = unpack(args, 'hcg'); - var h = args[0]; - var c = args[1]; - var _g = args[2]; - var r, g, b; - _g = _g * 255; - var _c = c * 255; - if (c === 0) { - r = g = b = _g; - } else { - if (h === 360) { h = 0; } - if (h > 360) { h -= 360; } - if (h < 0) { h += 360; } - h /= 60; - var i = floor$3(h); - var f = h - i; - var p = _g * (1 - c); - var q = p + _c * (1 - f); - var t = p + _c * f; - var v = p + _c; - switch (i) { - case 0: - (assign = [v, t, p], r = assign[0], g = assign[1], b = assign[2]); - break; - case 1: - (assign$1 = [q, v, p], r = assign$1[0], g = assign$1[1], b = assign$1[2]); - break; - case 2: - (assign$2 = [p, v, t], r = assign$2[0], g = assign$2[1], b = assign$2[2]); - break; - case 3: - (assign$3 = [p, q, v], r = assign$3[0], g = assign$3[1], b = assign$3[2]); - break; - case 4: - (assign$4 = [t, p, v], r = assign$4[0], g = assign$4[1], b = assign$4[2]); - break; - case 5: - (assign$5 = [v, p, q], r = assign$5[0], g = assign$5[1], b = assign$5[2]); - break; - } - } - return [r, g, b, args.length > 3 ? args[3] : 1]; - }; - - var rgb2hcg = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var ref = unpack(args, 'rgb'); - var r = ref[0]; - var g = ref[1]; - var b = ref[2]; - var minRgb = min$3(r, g, b); - var maxRgb = max$3(r, g, b); - var delta = maxRgb - minRgb; - var c = (delta * 100) / 255; - var _g = (minRgb / (255 - delta)) * 100; - var h; - if (delta === 0) { - h = Number.NaN; - } else { - if (r === maxRgb) { h = (g - b) / delta; } - if (g === maxRgb) { h = 2 + (b - r) / delta; } - if (b === maxRgb) { h = 4 + (r - g) / delta; } - h *= 60; - if (h < 0) { h += 360; } - } - return [h, c, _g]; - }; - - Color.prototype.hcg = function () { - return rgb2hcg(this._rgb); - }; - - var hcg$1 = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['hcg']) )); - }; - chroma.hcg = hcg$1; - - input.format.hcg = hcg2rgb; - - input.autodetect.push({ - p: 1, - test: function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'hcg'); - if (type(args) === 'array' && args.length === 3) { - return 'hcg'; - } - } - }); - - var RE_HEX = /^#?([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})$/; - var RE_HEXA = /^#?([A-Fa-f0-9]{8}|[A-Fa-f0-9]{4})$/; - - var hex2rgb = function (hex) { - if (hex.match(RE_HEX)) { - // remove optional leading # - if (hex.length === 4 || hex.length === 7) { - hex = hex.substr(1); - } - // expand short-notation to full six-digit - if (hex.length === 3) { - hex = hex.split(''); - hex = hex[0] + hex[0] + hex[1] + hex[1] + hex[2] + hex[2]; - } - var u = parseInt(hex, 16); - var r = u >> 16; - var g = (u >> 8) & 0xff; - var b = u & 0xff; - return [r, g, b, 1]; - } - - // match rgba hex format, eg #FF000077 - if (hex.match(RE_HEXA)) { - if (hex.length === 5 || hex.length === 9) { - // remove optional leading # - hex = hex.substr(1); - } - // expand short-notation to full eight-digit - if (hex.length === 4) { - hex = hex.split(''); - hex = - hex[0] + - hex[0] + - hex[1] + - hex[1] + - hex[2] + - hex[2] + - hex[3] + - hex[3]; - } - var u$1 = parseInt(hex, 16); - var r$1 = (u$1 >> 24) & 0xff; - var g$1 = (u$1 >> 16) & 0xff; - var b$1 = (u$1 >> 8) & 0xff; - var a = Math.round(((u$1 & 0xff) / 0xff) * 100) / 100; - return [r$1, g$1, b$1, a]; - } - - // we used to check for css colors here - // if _input.css? and rgb = _input.css hex - // return rgb - - throw new Error(("unknown hex color: " + hex)); - }; - - var round$2 = Math.round; - - var rgb2hex = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var ref = unpack(args, 'rgba'); - var r = ref[0]; - var g = ref[1]; - var b = ref[2]; - var a = ref[3]; - var mode = last(args) || 'auto'; - if (a === undefined) { a = 1; } - if (mode === 'auto') { - mode = a < 1 ? 'rgba' : 'rgb'; - } - r = round$2(r); - g = round$2(g); - b = round$2(b); - var u = (r << 16) | (g << 8) | b; - var str = '000000' + u.toString(16); //#.toUpperCase(); - str = str.substr(str.length - 6); - var hxa = '0' + round$2(a * 255).toString(16); - hxa = hxa.substr(hxa.length - 2); - switch (mode.toLowerCase()) { - case 'rgba': - return ("#" + str + hxa); - case 'argb': - return ("#" + hxa + str); - default: - return ("#" + str); - } - }; - - Color.prototype.hex = function (mode) { - return rgb2hex(this._rgb, mode); - }; - - var hex = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['hex']) )); - }; - chroma.hex = hex; - - input.format.hex = hex2rgb; - input.autodetect.push({ - p: 4, - test: function (h) { - var rest = [], len = arguments.length - 1; - while ( len-- > 0 ) rest[ len ] = arguments[ len + 1 ]; - - if ( - !rest.length && - type(h) === 'string' && - [3, 4, 5, 6, 7, 8, 9].indexOf(h.length) >= 0 - ) { - return 'hex'; - } - } - }); - - var cos$3 = Math.cos; - - /* - * hue [0..360] - * saturation [0..1] - * intensity [0..1] - */ - var hsi2rgb = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - /* - borrowed from here: - http://hummer.stanford.edu/museinfo/doc/examples/humdrum/keyscape2/hsi2rgb.cpp - */ - args = unpack(args, 'hsi'); - var h = args[0]; - var s = args[1]; - var i = args[2]; - var r, g, b; - - if (isNaN(h)) { h = 0; } - if (isNaN(s)) { s = 0; } - // normalize hue - if (h > 360) { h -= 360; } - if (h < 0) { h += 360; } - h /= 360; - if (h < 1 / 3) { - b = (1 - s) / 3; - r = (1 + (s * cos$3(TWOPI * h)) / cos$3(PITHIRD - TWOPI * h)) / 3; - g = 1 - (b + r); - } else if (h < 2 / 3) { - h -= 1 / 3; - r = (1 - s) / 3; - g = (1 + (s * cos$3(TWOPI * h)) / cos$3(PITHIRD - TWOPI * h)) / 3; - b = 1 - (r + g); - } else { - h -= 2 / 3; - g = (1 - s) / 3; - b = (1 + (s * cos$3(TWOPI * h)) / cos$3(PITHIRD - TWOPI * h)) / 3; - r = 1 - (g + b); - } - r = limit(i * r * 3); - g = limit(i * g * 3); - b = limit(i * b * 3); - return [r * 255, g * 255, b * 255, args.length > 3 ? args[3] : 1]; - }; - - var min$2 = Math.min; - var sqrt$3 = Math.sqrt; - var acos = Math.acos; - - var rgb2hsi = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - /* - borrowed from here: - http://hummer.stanford.edu/museinfo/doc/examples/humdrum/keyscape2/rgb2hsi.cpp - */ - var ref = unpack(args, 'rgb'); - var r = ref[0]; - var g = ref[1]; - var b = ref[2]; - r /= 255; - g /= 255; - b /= 255; - var h; - var min_ = min$2(r, g, b); - var i = (r + g + b) / 3; - var s = i > 0 ? 1 - min_ / i : 0; - if (s === 0) { - h = NaN; - } else { - h = (r - g + (r - b)) / 2; - h /= sqrt$3((r - g) * (r - g) + (r - b) * (g - b)); - h = acos(h); - if (b > g) { - h = TWOPI - h; - } - h /= TWOPI; - } - return [h * 360, s, i]; - }; - - Color.prototype.hsi = function () { - return rgb2hsi(this._rgb); - }; - - var hsi$1 = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['hsi']) )); - }; - chroma.hsi = hsi$1; - - input.format.hsi = hsi2rgb; - - input.autodetect.push({ - p: 2, - test: function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'hsi'); - if (type(args) === 'array' && args.length === 3) { - return 'hsi'; - } - } - }); - - Color.prototype.hsl = function () { - return rgb2hsl$1(this._rgb); - }; - - var hsl$1 = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['hsl']) )); - }; - chroma.hsl = hsl$1; - - input.format.hsl = hsl2rgb; - - input.autodetect.push({ - p: 2, - test: function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'hsl'); - if (type(args) === 'array' && args.length === 3) { - return 'hsl'; - } - } - }); - - var floor$2 = Math.floor; - - var hsv2rgb = function () { - var assign, assign$1, assign$2, assign$3, assign$4, assign$5; - - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - args = unpack(args, 'hsv'); - var h = args[0]; - var s = args[1]; - var v = args[2]; - var r, g, b; - v *= 255; - if (s === 0) { - r = g = b = v; - } else { - if (h === 360) { h = 0; } - if (h > 360) { h -= 360; } - if (h < 0) { h += 360; } - h /= 60; - - var i = floor$2(h); - var f = h - i; - var p = v * (1 - s); - var q = v * (1 - s * f); - var t = v * (1 - s * (1 - f)); - - switch (i) { - case 0: - (assign = [v, t, p], r = assign[0], g = assign[1], b = assign[2]); - break; - case 1: - (assign$1 = [q, v, p], r = assign$1[0], g = assign$1[1], b = assign$1[2]); - break; - case 2: - (assign$2 = [p, v, t], r = assign$2[0], g = assign$2[1], b = assign$2[2]); - break; - case 3: - (assign$3 = [p, q, v], r = assign$3[0], g = assign$3[1], b = assign$3[2]); - break; - case 4: - (assign$4 = [t, p, v], r = assign$4[0], g = assign$4[1], b = assign$4[2]); - break; - case 5: - (assign$5 = [v, p, q], r = assign$5[0], g = assign$5[1], b = assign$5[2]); - break; - } - } - return [r, g, b, args.length > 3 ? args[3] : 1]; - }; - - var min$1 = Math.min; - var max$1 = Math.max; - - /* - * supported arguments: - * - rgb2hsv(r,g,b) - * - rgb2hsv([r,g,b]) - * - rgb2hsv({r,g,b}) - */ - var rgb2hsl = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'rgb'); - var r = args[0]; - var g = args[1]; - var b = args[2]; - var min_ = min$1(r, g, b); - var max_ = max$1(r, g, b); - var delta = max_ - min_; - var h, s, v; - v = max_ / 255.0; - if (max_ === 0) { - h = Number.NaN; - s = 0; - } else { - s = delta / max_; - if (r === max_) { h = (g - b) / delta; } - if (g === max_) { h = 2 + (b - r) / delta; } - if (b === max_) { h = 4 + (r - g) / delta; } - h *= 60; - if (h < 0) { h += 360; } - } - return [h, s, v]; - }; - - Color.prototype.hsv = function () { - return rgb2hsl(this._rgb); - }; - - var hsv$1 = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['hsv']) )); - }; - chroma.hsv = hsv$1; - - input.format.hsv = hsv2rgb; - - input.autodetect.push({ - p: 2, - test: function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'hsv'); - if (type(args) === 'array' && args.length === 3) { - return 'hsv'; - } - } - }); - - Color.prototype.lab = function () { - return rgb2lab(this._rgb); - }; - - var lab$1 = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['lab']) )); - }; - Object.assign(chroma, { lab: lab$1, getLabWhitePoint: getLabWhitePoint, setLabWhitePoint: setLabWhitePoint }); - - input.format.lab = lab2rgb; - - input.autodetect.push({ - p: 2, - test: function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'lab'); - if (type(args) === 'array' && args.length === 3) { - return 'lab'; - } - } - }); - - var hcl2rgb = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var hcl = reverse3(unpack(args, 'hcl')); - return lch2rgb.apply(void 0, hcl); - }; - - Color.prototype.lch = function () { - return rgb2lch(this._rgb); - }; - Color.prototype.hcl = function () { - return reverse3(rgb2lch(this._rgb)); - }; - - var lch$1 = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['lch']) )); - }; - var hcl = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['hcl']) )); - }; - - Object.assign(chroma, { lch: lch$1, hcl: hcl }); - - input.format.lch = lch2rgb; - input.format.hcl = hcl2rgb; - ['lch', 'hcl'].forEach(function (m) { return input.autodetect.push({ - p: 2, - test: function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, m); - if (type(args) === 'array' && args.length === 3) { - return m; - } - } - }); } - ); - - var num2rgb = function (num) { - if (type(num) == 'number' && num >= 0 && num <= 0xffffff) { - var r = num >> 16; - var g = (num >> 8) & 0xff; - var b = num & 0xff; - return [r, g, b, 1]; - } - throw new Error('unknown num color: ' + num); - }; - - var rgb2num = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var ref = unpack(args, 'rgb'); - var r = ref[0]; - var g = ref[1]; - var b = ref[2]; - return (r << 16) + (g << 8) + b; - }; - - Color.prototype.num = function () { - return rgb2num(this._rgb); - }; - - var num$1 = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['num']) )); - }; - - Object.assign(chroma, { num: num$1 }); - - input.format.num = num2rgb; - - input.autodetect.push({ - p: 5, - test: function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - if ( - args.length === 1 && - type(args[0]) === 'number' && - args[0] >= 0 && - args[0] <= 0xffffff - ) { - return 'num'; - } - } - }); - - var round$1 = Math.round; - - Color.prototype.rgb = function (rnd) { - if ( rnd === void 0 ) rnd = true; - - if (rnd === false) { return this._rgb.slice(0, 3); } - return this._rgb.slice(0, 3).map(round$1); - }; - - Color.prototype.rgba = function (rnd) { - if ( rnd === void 0 ) rnd = true; - - return this._rgb.slice(0, 4).map(function (v, i) { - return i < 3 ? (rnd === false ? v : round$1(v)) : v; - }); - }; - - var rgb$1 = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['rgb']) )); - }; - Object.assign(chroma, { rgb: rgb$1 }); - - input.format.rgb = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var rgba = unpack(args, 'rgba'); - if (rgba[3] === undefined) { rgba[3] = 1; } - return rgba; - }; - - input.autodetect.push({ - p: 3, - test: function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'rgba'); - if ( - type(args) === 'array' && - (args.length === 3 || - (args.length === 4 && - type(args[3]) == 'number' && - args[3] >= 0 && - args[3] <= 1)) - ) { - return 'rgb'; - } - } - }); - - /* - * Based on implementation by Neil Bartlett - * https://github.com/neilbartlett/color-temperature - */ - - var log$1 = Math.log; - - var temperature2rgb = function (kelvin) { - var temp = kelvin / 100; - var r, g, b; - if (temp < 66) { - r = 255; - g = - temp < 6 - ? 0 - : -155.25485562709179 - - 0.44596950469579133 * (g = temp - 2) + - 104.49216199393888 * log$1(g); - b = - temp < 20 - ? 0 - : -254.76935184120902 + - 0.8274096064007395 * (b = temp - 10) + - 115.67994401066147 * log$1(b); - } else { - r = - 351.97690566805693 + - 0.114206453784165 * (r = temp - 55) - - 40.25366309332127 * log$1(r); - g = - 325.4494125711974 + - 0.07943456536662342 * (g = temp - 50) - - 28.0852963507957 * log$1(g); - b = 255; - } - return [r, g, b, 1]; - }; - - /* - * Based on implementation by Neil Bartlett - * https://github.com/neilbartlett/color-temperature - **/ - - var round = Math.round; - - var rgb2temperature = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - var rgb = unpack(args, 'rgb'); - var r = rgb[0], - b = rgb[2]; - var minTemp = 1000; - var maxTemp = 40000; - var eps = 0.4; - var temp; - while (maxTemp - minTemp > eps) { - temp = (maxTemp + minTemp) * 0.5; - var rgb$1 = temperature2rgb(temp); - if (rgb$1[2] / rgb$1[0] >= b / r) { - maxTemp = temp; - } else { - minTemp = temp; - } - } - return round(temp); - }; - - Color.prototype.temp = - Color.prototype.kelvin = - Color.prototype.temperature = - function () { - return rgb2temperature(this._rgb); - }; - - var temp = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['temp']) )); - }; - Object.assign(chroma, { temp: temp, kelvin: temp, temperature: temp }); - - input.format.temp = - input.format.kelvin = - input.format.temperature = - temperature2rgb; - - Color.prototype.oklab = function () { - return rgb2oklab(this._rgb); - }; - - var oklab$1 = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['oklab']) )); - }; - Object.assign(chroma, { oklab: oklab$1 }); - - input.format.oklab = oklab2rgb; - - input.autodetect.push({ - p: 2, - test: function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'oklab'); - if (type(args) === 'array' && args.length === 3) { - return 'oklab'; - } - } - }); - - Color.prototype.oklch = function () { - return rgb2oklch(this._rgb); - }; - - var oklch$1 = function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - return new (Function.prototype.bind.apply( Color, [ null ].concat( args, ['oklch']) )); - }; - Object.assign(chroma, { oklch: oklch$1 }); - - input.format.oklch = oklch2rgb; - - input.autodetect.push({ - p: 2, - test: function () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - args = unpack(args, 'oklch'); - if (type(args) === 'array' && args.length === 3) { - return 'oklch'; - } - } - }); - - /** - X11 color names - - http://www.w3.org/TR/css3-color/#svg-color - */ - - var w3cx11 = { - aliceblue: '#f0f8ff', - antiquewhite: '#faebd7', - aqua: '#00ffff', - aquamarine: '#7fffd4', - azure: '#f0ffff', - beige: '#f5f5dc', - bisque: '#ffe4c4', - black: '#000000', - blanchedalmond: '#ffebcd', - blue: '#0000ff', - blueviolet: '#8a2be2', - brown: '#a52a2a', - burlywood: '#deb887', - cadetblue: '#5f9ea0', - chartreuse: '#7fff00', - chocolate: '#d2691e', - coral: '#ff7f50', - cornflowerblue: '#6495ed', - cornsilk: '#fff8dc', - crimson: '#dc143c', - cyan: '#00ffff', - darkblue: '#00008b', - darkcyan: '#008b8b', - darkgoldenrod: '#b8860b', - darkgray: '#a9a9a9', - darkgreen: '#006400', - darkgrey: '#a9a9a9', - darkkhaki: '#bdb76b', - darkmagenta: '#8b008b', - darkolivegreen: '#556b2f', - darkorange: '#ff8c00', - darkorchid: '#9932cc', - darkred: '#8b0000', - darksalmon: '#e9967a', - darkseagreen: '#8fbc8f', - darkslateblue: '#483d8b', - darkslategray: '#2f4f4f', - darkslategrey: '#2f4f4f', - darkturquoise: '#00ced1', - darkviolet: '#9400d3', - deeppink: '#ff1493', - deepskyblue: '#00bfff', - dimgray: '#696969', - dimgrey: '#696969', - dodgerblue: '#1e90ff', - firebrick: '#b22222', - floralwhite: '#fffaf0', - forestgreen: '#228b22', - fuchsia: '#ff00ff', - gainsboro: '#dcdcdc', - ghostwhite: '#f8f8ff', - gold: '#ffd700', - goldenrod: '#daa520', - gray: '#808080', - green: '#008000', - greenyellow: '#adff2f', - grey: '#808080', - honeydew: '#f0fff0', - hotpink: '#ff69b4', - indianred: '#cd5c5c', - indigo: '#4b0082', - ivory: '#fffff0', - khaki: '#f0e68c', - laserlemon: '#ffff54', - lavender: '#e6e6fa', - lavenderblush: '#fff0f5', - lawngreen: '#7cfc00', - lemonchiffon: '#fffacd', - lightblue: '#add8e6', - lightcoral: '#f08080', - lightcyan: '#e0ffff', - lightgoldenrod: '#fafad2', - lightgoldenrodyellow: '#fafad2', - lightgray: '#d3d3d3', - lightgreen: '#90ee90', - lightgrey: '#d3d3d3', - lightpink: '#ffb6c1', - lightsalmon: '#ffa07a', - lightseagreen: '#20b2aa', - lightskyblue: '#87cefa', - lightslategray: '#778899', - lightslategrey: '#778899', - lightsteelblue: '#b0c4de', - lightyellow: '#ffffe0', - lime: '#00ff00', - limegreen: '#32cd32', - linen: '#faf0e6', - magenta: '#ff00ff', - maroon: '#800000', - maroon2: '#7f0000', - maroon3: '#b03060', - mediumaquamarine: '#66cdaa', - mediumblue: '#0000cd', - mediumorchid: '#ba55d3', - mediumpurple: '#9370db', - mediumseagreen: '#3cb371', - mediumslateblue: '#7b68ee', - mediumspringgreen: '#00fa9a', - mediumturquoise: '#48d1cc', - mediumvioletred: '#c71585', - midnightblue: '#191970', - mintcream: '#f5fffa', - mistyrose: '#ffe4e1', - moccasin: '#ffe4b5', - navajowhite: '#ffdead', - navy: '#000080', - oldlace: '#fdf5e6', - olive: '#808000', - olivedrab: '#6b8e23', - orange: '#ffa500', - orangered: '#ff4500', - orchid: '#da70d6', - palegoldenrod: '#eee8aa', - palegreen: '#98fb98', - paleturquoise: '#afeeee', - palevioletred: '#db7093', - papayawhip: '#ffefd5', - peachpuff: '#ffdab9', - peru: '#cd853f', - pink: '#ffc0cb', - plum: '#dda0dd', - powderblue: '#b0e0e6', - purple: '#800080', - purple2: '#7f007f', - purple3: '#a020f0', - rebeccapurple: '#663399', - red: '#ff0000', - rosybrown: '#bc8f8f', - royalblue: '#4169e1', - saddlebrown: '#8b4513', - salmon: '#fa8072', - sandybrown: '#f4a460', - seagreen: '#2e8b57', - seashell: '#fff5ee', - sienna: '#a0522d', - silver: '#c0c0c0', - skyblue: '#87ceeb', - slateblue: '#6a5acd', - slategray: '#708090', - slategrey: '#708090', - snow: '#fffafa', - springgreen: '#00ff7f', - steelblue: '#4682b4', - tan: '#d2b48c', - teal: '#008080', - thistle: '#d8bfd8', - tomato: '#ff6347', - turquoise: '#40e0d0', - violet: '#ee82ee', - wheat: '#f5deb3', - white: '#ffffff', - whitesmoke: '#f5f5f5', - yellow: '#ffff00', - yellowgreen: '#9acd32' - }; - - Color.prototype.name = function () { - var hex = rgb2hex(this._rgb, 'rgb'); - for (var i = 0, list = Object.keys(w3cx11); i < list.length; i += 1) { - var n = list[i]; - - if (w3cx11[n] === hex) { return n.toLowerCase(); } - } - return hex; - }; - - input.format.named = function (name) { - name = name.toLowerCase(); - if (w3cx11[name]) { return hex2rgb(w3cx11[name]); } - throw new Error('unknown color name: ' + name); - }; - - input.autodetect.push({ - p: 5, - test: function (h) { - var rest = [], len = arguments.length - 1; - while ( len-- > 0 ) rest[ len ] = arguments[ len + 1 ]; - - if (!rest.length && type(h) === 'string' && w3cx11[h.toLowerCase()]) { - return 'named'; - } - } - }); - - Color.prototype.alpha = function (a, mutate) { - if ( mutate === void 0 ) mutate = false; - - if (a !== undefined && type(a) === 'number') { - if (mutate) { - this._rgb[3] = a; - return this; - } - return new Color([this._rgb[0], this._rgb[1], this._rgb[2], a], 'rgb'); - } - return this._rgb[3]; - }; - - Color.prototype.clipped = function () { - return this._rgb._clipped || false; - }; - - Color.prototype.darken = function (amount) { - if ( amount === void 0 ) amount = 1; - - var me = this; - var lab = me.lab(); - lab[0] -= labConstants.Kn * amount; - return new Color(lab, 'lab').alpha(me.alpha(), true); - }; - - Color.prototype.brighten = function (amount) { - if ( amount === void 0 ) amount = 1; - - return this.darken(-amount); - }; - - Color.prototype.darker = Color.prototype.darken; - Color.prototype.brighter = Color.prototype.brighten; - - Color.prototype.get = function (mc) { - var ref = mc.split('.'); - var mode = ref[0]; - var channel = ref[1]; - var src = this[mode](); - if (channel) { - var i = mode.indexOf(channel) - (mode.substr(0, 2) === 'ok' ? 2 : 0); - if (i > -1) { return src[i]; } - throw new Error(("unknown channel " + channel + " in mode " + mode)); - } else { - return src; - } - }; - - var pow$6 = Math.pow; - - var EPS = 1e-7; - var MAX_ITER = 20; - - Color.prototype.luminance = function (lum, mode) { - if ( mode === void 0 ) mode = 'rgb'; - - if (lum !== undefined && type(lum) === 'number') { - if (lum === 0) { - // return pure black - return new Color([0, 0, 0, this._rgb[3]], 'rgb'); - } - if (lum === 1) { - // return pure white - return new Color([255, 255, 255, this._rgb[3]], 'rgb'); - } - // compute new color using... - var cur_lum = this.luminance(); - var max_iter = MAX_ITER; - - var test = function (low, high) { - var mid = low.interpolate(high, 0.5, mode); - var lm = mid.luminance(); - if (Math.abs(lum - lm) < EPS || !max_iter--) { - // close enough - return mid; - } - return lm > lum ? test(low, mid) : test(mid, high); - }; - - var rgb = ( - cur_lum > lum - ? test(new Color([0, 0, 0]), this) - : test(this, new Color([255, 255, 255])) - ).rgb(); - return new Color(rgb.concat( [this._rgb[3]])); - } - return rgb2luminance.apply(void 0, this._rgb.slice(0, 3)); - }; - - var rgb2luminance = function (r, g, b) { - // relative luminance - // see http://www.w3.org/TR/2008/REC-WCAG20-20081211/#relativeluminancedef - r = luminance_x(r); - g = luminance_x(g); - b = luminance_x(b); - return 0.2126 * r + 0.7152 * g + 0.0722 * b; - }; - - var luminance_x = function (x) { - x /= 255; - return x <= 0.03928 ? x / 12.92 : pow$6((x + 0.055) / 1.055, 2.4); - }; - - var index = {}; - - function mix (col1, col2, f) { - if ( f === void 0 ) f = 0.5; - var rest = [], len = arguments.length - 3; - while ( len-- > 0 ) rest[ len ] = arguments[ len + 3 ]; - - var mode = rest[0] || 'lrgb'; - if (!index[mode] && !rest.length) { - // fall back to the first supported mode - mode = Object.keys(index)[0]; - } - if (!index[mode]) { - throw new Error(("interpolation mode " + mode + " is not defined")); - } - if (type(col1) !== 'object') { col1 = new Color(col1); } - if (type(col2) !== 'object') { col2 = new Color(col2); } - return index[mode](col1, col2, f).alpha( - col1.alpha() + f * (col2.alpha() - col1.alpha()) - ); - } - - Color.prototype.mix = Color.prototype.interpolate = function ( - col2, - f - ) { - if ( f === void 0 ) f = 0.5; - var rest = [], len = arguments.length - 2; - while ( len-- > 0 ) rest[ len ] = arguments[ len + 2 ]; - - return mix.apply(void 0, [ this, col2, f ].concat( rest )); - }; - - Color.prototype.premultiply = function (mutate) { - if ( mutate === void 0 ) mutate = false; - - var rgb = this._rgb; - var a = rgb[3]; - if (mutate) { - this._rgb = [rgb[0] * a, rgb[1] * a, rgb[2] * a, a]; - return this; - } else { - return new Color([rgb[0] * a, rgb[1] * a, rgb[2] * a, a], 'rgb'); - } - }; - - Color.prototype.saturate = function (amount) { - if ( amount === void 0 ) amount = 1; - - var me = this; - var lch = me.lch(); - lch[1] += labConstants.Kn * amount; - if (lch[1] < 0) { lch[1] = 0; } - return new Color(lch, 'lch').alpha(me.alpha(), true); - }; - - Color.prototype.desaturate = function (amount) { - if ( amount === void 0 ) amount = 1; - - return this.saturate(-amount); - }; - - Color.prototype.set = function (mc, value, mutate) { - if ( mutate === void 0 ) mutate = false; - - var ref = mc.split('.'); - var mode = ref[0]; - var channel = ref[1]; - var src = this[mode](); - if (channel) { - var i = mode.indexOf(channel) - (mode.substr(0, 2) === 'ok' ? 2 : 0); - if (i > -1) { - if (type(value) == 'string') { - switch (value.charAt(0)) { - case '+': - src[i] += +value; - break; - case '-': - src[i] += +value; - break; - case '*': - src[i] *= +value.substr(1); - break; - case '/': - src[i] /= +value.substr(1); - break; - default: - src[i] = +value; - } - } else if (type(value) === 'number') { - src[i] = value; - } else { - throw new Error("unsupported value for Color.set"); - } - var out = new Color(src, mode); - if (mutate) { - this._rgb = out._rgb; - return this; - } - return out; - } - throw new Error(("unknown channel " + channel + " in mode " + mode)); - } else { - return src; - } - }; - - Color.prototype.tint = function (f) { - if ( f === void 0 ) f = 0.5; - var rest = [], len = arguments.length - 1; - while ( len-- > 0 ) rest[ len ] = arguments[ len + 1 ]; - - return mix.apply(void 0, [ this, 'white', f ].concat( rest )); - }; - - Color.prototype.shade = function (f) { - if ( f === void 0 ) f = 0.5; - var rest = [], len = arguments.length - 1; - while ( len-- > 0 ) rest[ len ] = arguments[ len + 1 ]; - - return mix.apply(void 0, [ this, 'black', f ].concat( rest )); - }; - - var rgb = function (col1, col2, f) { - var xyz0 = col1._rgb; - var xyz1 = col2._rgb; - return new Color( - xyz0[0] + f * (xyz1[0] - xyz0[0]), - xyz0[1] + f * (xyz1[1] - xyz0[1]), - xyz0[2] + f * (xyz1[2] - xyz0[2]), - 'rgb' - ); - }; - - // register interpolator - index.rgb = rgb; - - var sqrt$2 = Math.sqrt; - var pow$5 = Math.pow; - - var lrgb = function (col1, col2, f) { - var ref = col1._rgb; - var x1 = ref[0]; - var y1 = ref[1]; - var z1 = ref[2]; - var ref$1 = col2._rgb; - var x2 = ref$1[0]; - var y2 = ref$1[1]; - var z2 = ref$1[2]; - return new Color( - sqrt$2(pow$5(x1, 2) * (1 - f) + pow$5(x2, 2) * f), - sqrt$2(pow$5(y1, 2) * (1 - f) + pow$5(y2, 2) * f), - sqrt$2(pow$5(z1, 2) * (1 - f) + pow$5(z2, 2) * f), - 'rgb' - ); - }; - - // register interpolator - index.lrgb = lrgb; - - var lab = function (col1, col2, f) { - var xyz0 = col1.lab(); - var xyz1 = col2.lab(); - return new Color( - xyz0[0] + f * (xyz1[0] - xyz0[0]), - xyz0[1] + f * (xyz1[1] - xyz0[1]), - xyz0[2] + f * (xyz1[2] - xyz0[2]), - 'lab' - ); - }; - - // register interpolator - index.lab = lab; - - function interpolate_hsx (col1, col2, f, m) { - var assign, assign$1; - - var xyz0, xyz1; - if (m === 'hsl') { - xyz0 = col1.hsl(); - xyz1 = col2.hsl(); - } else if (m === 'hsv') { - xyz0 = col1.hsv(); - xyz1 = col2.hsv(); - } else if (m === 'hcg') { - xyz0 = col1.hcg(); - xyz1 = col2.hcg(); - } else if (m === 'hsi') { - xyz0 = col1.hsi(); - xyz1 = col2.hsi(); - } else if (m === 'lch' || m === 'hcl') { - m = 'hcl'; - xyz0 = col1.hcl(); - xyz1 = col2.hcl(); - } else if (m === 'oklch') { - xyz0 = col1.oklch().reverse(); - xyz1 = col2.oklch().reverse(); - } - - var hue0, hue1, sat0, sat1, lbv0, lbv1; - if (m.substr(0, 1) === 'h' || m === 'oklch') { - (assign = xyz0, hue0 = assign[0], sat0 = assign[1], lbv0 = assign[2]); - (assign$1 = xyz1, hue1 = assign$1[0], sat1 = assign$1[1], lbv1 = assign$1[2]); - } - - var sat, hue, lbv, dh; - - if (!isNaN(hue0) && !isNaN(hue1)) { - // both colors have hue - if (hue1 > hue0 && hue1 - hue0 > 180) { - dh = hue1 - (hue0 + 360); - } else if (hue1 < hue0 && hue0 - hue1 > 180) { - dh = hue1 + 360 - hue0; - } else { - dh = hue1 - hue0; - } - hue = hue0 + f * dh; - } else if (!isNaN(hue0)) { - hue = hue0; - if ((lbv1 == 1 || lbv1 == 0) && m != 'hsv') { sat = sat0; } - } else if (!isNaN(hue1)) { - hue = hue1; - if ((lbv0 == 1 || lbv0 == 0) && m != 'hsv') { sat = sat1; } - } else { - hue = Number.NaN; - } - - if (sat === undefined) { sat = sat0 + f * (sat1 - sat0); } - lbv = lbv0 + f * (lbv1 - lbv0); - return m === 'oklch' - ? new Color([lbv, sat, hue], m) - : new Color([hue, sat, lbv], m); - } - - var lch = function (col1, col2, f) { - return interpolate_hsx(col1, col2, f, 'lch'); - }; - - // register interpolator - index.lch = lch; - index.hcl = lch; - - var num = function (col1, col2, f) { - var c1 = col1.num(); - var c2 = col2.num(); - return new Color(c1 + f * (c2 - c1), 'num'); - }; - - // register interpolator - index.num = num; - - var hcg = function (col1, col2, f) { - return interpolate_hsx(col1, col2, f, 'hcg'); - }; - - // register interpolator - index.hcg = hcg; - - var hsi = function (col1, col2, f) { - return interpolate_hsx(col1, col2, f, 'hsi'); - }; - - // register interpolator - index.hsi = hsi; - - var hsl = function (col1, col2, f) { - return interpolate_hsx(col1, col2, f, 'hsl'); - }; - - // register interpolator - index.hsl = hsl; - - var hsv = function (col1, col2, f) { - return interpolate_hsx(col1, col2, f, 'hsv'); - }; - - // register interpolator - index.hsv = hsv; - - var oklab = function (col1, col2, f) { - var xyz0 = col1.oklab(); - var xyz1 = col2.oklab(); - return new Color( - xyz0[0] + f * (xyz1[0] - xyz0[0]), - xyz0[1] + f * (xyz1[1] - xyz0[1]), - xyz0[2] + f * (xyz1[2] - xyz0[2]), - 'oklab' - ); - }; - - // register interpolator - index.oklab = oklab; - - var oklch = function (col1, col2, f) { - return interpolate_hsx(col1, col2, f, 'oklch'); - }; - - // register interpolator - index.oklch = oklch; - - var pow$4 = Math.pow; - var sqrt$1 = Math.sqrt; - var PI$1 = Math.PI; - var cos$2 = Math.cos; - var sin$2 = Math.sin; - var atan2$1 = Math.atan2; - - function average (colors, mode, weights) { - if ( mode === void 0 ) mode = 'lrgb'; - if ( weights === void 0 ) weights = null; - - var l = colors.length; - if (!weights) { weights = Array.from(new Array(l)).map(function () { return 1; }); } - // normalize weights - var k = - l / - weights.reduce(function (a, b) { - return a + b; - }); - weights.forEach(function (w, i) { - weights[i] *= k; - }); - // convert colors to Color objects - colors = colors.map(function (c) { return new Color(c); }); - if (mode === 'lrgb') { - return _average_lrgb(colors, weights); - } - var first = colors.shift(); - var xyz = first.get(mode); - var cnt = []; - var dx = 0; - var dy = 0; - // initial color - for (var i = 0; i < xyz.length; i++) { - xyz[i] = (xyz[i] || 0) * weights[0]; - cnt.push(isNaN(xyz[i]) ? 0 : weights[0]); - if (mode.charAt(i) === 'h' && !isNaN(xyz[i])) { - var A = (xyz[i] / 180) * PI$1; - dx += cos$2(A) * weights[0]; - dy += sin$2(A) * weights[0]; - } - } - - var alpha = first.alpha() * weights[0]; - colors.forEach(function (c, ci) { - var xyz2 = c.get(mode); - alpha += c.alpha() * weights[ci + 1]; - for (var i = 0; i < xyz.length; i++) { - if (!isNaN(xyz2[i])) { - cnt[i] += weights[ci + 1]; - if (mode.charAt(i) === 'h') { - var A = (xyz2[i] / 180) * PI$1; - dx += cos$2(A) * weights[ci + 1]; - dy += sin$2(A) * weights[ci + 1]; - } else { - xyz[i] += xyz2[i] * weights[ci + 1]; - } - } - } - }); - - for (var i$1 = 0; i$1 < xyz.length; i$1++) { - if (mode.charAt(i$1) === 'h') { - var A$1 = (atan2$1(dy / cnt[i$1], dx / cnt[i$1]) / PI$1) * 180; - while (A$1 < 0) { A$1 += 360; } - while (A$1 >= 360) { A$1 -= 360; } - xyz[i$1] = A$1; - } else { - xyz[i$1] = xyz[i$1] / cnt[i$1]; - } - } - alpha /= l; - return new Color(xyz, mode).alpha(alpha > 0.99999 ? 1 : alpha, true); - } - var _average_lrgb = function (colors, weights) { - var l = colors.length; - var xyz = [0, 0, 0, 0]; - for (var i = 0; i < colors.length; i++) { - var col = colors[i]; - var f = weights[i] / l; - var rgb = col._rgb; - xyz[0] += pow$4(rgb[0], 2) * f; - xyz[1] += pow$4(rgb[1], 2) * f; - xyz[2] += pow$4(rgb[2], 2) * f; - xyz[3] += rgb[3] * f; - } - xyz[0] = sqrt$1(xyz[0]); - xyz[1] = sqrt$1(xyz[1]); - xyz[2] = sqrt$1(xyz[2]); - if (xyz[3] > 0.9999999) { xyz[3] = 1; } - return new Color(clip_rgb(xyz)); - }; - - // minimal multi-purpose interface - - - var pow$3 = Math.pow; - - function scale (colors) { - // constructor - var _mode = 'rgb'; - var _nacol = chroma('#ccc'); - var _spread = 0; - // const _fixed = false; - var _positions = [0, 1]; - var _domain = [0, 1]; - var _pos = []; - var _padding = [0, 0]; - var _classes = false; - var _colors = []; - var _out = false; - var _min = 0; - var _max = 1; - var _correctLightness = false; - var _colorCache = {}; - var _useCache = true; - var _gamma = 1; - - // private methods - - var setColors = function (colors) { - colors = colors || ['#fff', '#000']; - if ( - colors && - type(colors) === 'string' && - chroma.brewer && - chroma.brewer[colors.toLowerCase()] - ) { - colors = chroma.brewer[colors.toLowerCase()]; - } - if (type(colors) === 'array') { - // handle single color - if (colors.length === 1) { - colors = [colors[0], colors[0]]; - } - // make a copy of the colors - colors = colors.slice(0); - // convert to chroma classes - for (var c = 0; c < colors.length; c++) { - colors[c] = chroma(colors[c]); - } - // auto-fill color position - _pos.length = 0; - for (var c$1 = 0; c$1 < colors.length; c$1++) { - _pos.push(c$1 / (colors.length - 1)); - } - } - resetCache(); - return (_colors = colors); - }; - - var getClass = function (value) { - if (_classes != null) { - var n = _classes.length - 1; - var i = 0; - while (i < n && value >= _classes[i]) { - i++; - } - return i - 1; - } - return 0; - }; - - var tMapLightness = function (t) { return t; }; - var tMapDomain = function (t) { return t; }; - - // const classifyValue = function(value) { - // let val = value; - // if (_classes.length > 2) { - // const n = _classes.length-1; - // const i = getClass(value); - // const minc = _classes[0] + ((_classes[1]-_classes[0]) * (0 + (_spread * 0.5))); // center of 1st class - // const maxc = _classes[n-1] + ((_classes[n]-_classes[n-1]) * (1 - (_spread * 0.5))); // center of last class - // val = _min + ((((_classes[i] + ((_classes[i+1] - _classes[i]) * 0.5)) - minc) / (maxc-minc)) * (_max - _min)); - // } - // return val; - // }; - - var getColor = function (val, bypassMap) { - var col, t; - if (bypassMap == null) { - bypassMap = false; - } - if (isNaN(val) || val === null) { - return _nacol; - } - if (!bypassMap) { - if (_classes && _classes.length > 2) { - // find the class - var c = getClass(val); - t = c / (_classes.length - 2); - } else if (_max !== _min) { - // just interpolate between min/max - t = (val - _min) / (_max - _min); - } else { - t = 1; - } - } else { - t = val; - } - - // domain map - t = tMapDomain(t); - - if (!bypassMap) { - t = tMapLightness(t); // lightness correction - } - - if (_gamma !== 1) { - t = pow$3(t, _gamma); - } - - t = _padding[0] + t * (1 - _padding[0] - _padding[1]); - - t = limit(t, 0, 1); - - var k = Math.floor(t * 10000); - - if (_useCache && _colorCache[k]) { - col = _colorCache[k]; - } else { - if (type(_colors) === 'array') { - //for i in [0.._pos.length-1] - for (var i = 0; i < _pos.length; i++) { - var p = _pos[i]; - if (t <= p) { - col = _colors[i]; - break; - } - if (t >= p && i === _pos.length - 1) { - col = _colors[i]; - break; - } - if (t > p && t < _pos[i + 1]) { - t = (t - p) / (_pos[i + 1] - p); - col = chroma.interpolate( - _colors[i], - _colors[i + 1], - t, - _mode - ); - break; - } - } - } else if (type(_colors) === 'function') { - col = _colors(t); - } - if (_useCache) { - _colorCache[k] = col; - } - } - return col; - }; - - var resetCache = function () { return (_colorCache = {}); }; - - setColors(colors); - - // public interface - - var f = function (v) { - var c = chroma(getColor(v)); - if (_out && c[_out]) { - return c[_out](); - } else { - return c; - } - }; - - f.classes = function (classes) { - if (classes != null) { - if (type(classes) === 'array') { - _classes = classes; - _positions = [classes[0], classes[classes.length - 1]]; - } else { - var d = chroma.analyze(_positions); - if (classes === 0) { - _classes = [d.min, d.max]; - } else { - _classes = chroma.limits(d, 'e', classes); - } - } - return f; - } - return _classes; - }; - - f.domain = function (domain) { - if (!arguments.length) { - // return original domain - return _domain; - } - // store original domain so we can return it later - _domain = domain.slice(0); - _min = domain[0]; - _max = domain[domain.length - 1]; - _pos = []; - var k = _colors.length; - if (domain.length === k && _min !== _max) { - // update positions - for (var i = 0, list = Array.from(domain); i < list.length; i += 1) { - var d = list[i]; - - _pos.push((d - _min) / (_max - _min)); - } - } else { - for (var c = 0; c < k; c++) { - _pos.push(c / (k - 1)); - } - if (domain.length > 2) { - // set domain map - var tOut = domain.map(function (d, i) { return i / (domain.length - 1); }); - var tBreaks = domain.map(function (d) { return (d - _min) / (_max - _min); }); - if (!tBreaks.every(function (val, i) { return tOut[i] === val; })) { - tMapDomain = function (t) { - if (t <= 0 || t >= 1) { return t; } - var i = 0; - while (t >= tBreaks[i + 1]) { i++; } - var f = - (t - tBreaks[i]) / (tBreaks[i + 1] - tBreaks[i]); - var out = tOut[i] + f * (tOut[i + 1] - tOut[i]); - return out; - }; - } - } - } - _positions = [_min, _max]; - return f; - }; - - f.mode = function (_m) { - if (!arguments.length) { - return _mode; - } - _mode = _m; - resetCache(); - return f; - }; - - f.range = function (colors, _pos) { - setColors(colors); - return f; - }; - - f.out = function (_o) { - _out = _o; - return f; - }; - - f.spread = function (val) { - if (!arguments.length) { - return _spread; - } - _spread = val; - return f; - }; - - f.correctLightness = function (v) { - if (v == null) { - v = true; - } - _correctLightness = v; - resetCache(); - if (_correctLightness) { - tMapLightness = function (t) { - var L0 = getColor(0, true).lab()[0]; - var L1 = getColor(1, true).lab()[0]; - var pol = L0 > L1; - var L_actual = getColor(t, true).lab()[0]; - var L_ideal = L0 + (L1 - L0) * t; - var L_diff = L_actual - L_ideal; - var t0 = 0; - var t1 = 1; - var max_iter = 20; - while (Math.abs(L_diff) > 1e-2 && max_iter-- > 0) { - (function () { - if (pol) { - L_diff *= -1; - } - if (L_diff < 0) { - t0 = t; - t += (t1 - t) * 0.5; - } else { - t1 = t; - t += (t0 - t) * 0.5; - } - L_actual = getColor(t, true).lab()[0]; - return (L_diff = L_actual - L_ideal); - })(); - } - return t; - }; - } else { - tMapLightness = function (t) { return t; }; - } - return f; - }; - - f.padding = function (p) { - if (p != null) { - if (type(p) === 'number') { - p = [p, p]; - } - _padding = p; - return f; - } else { - return _padding; - } - }; - - f.colors = function (numColors, out) { - // If no arguments are given, return the original colors that were provided - if (arguments.length < 2) { - out = 'hex'; - } - var result = []; - - if (arguments.length === 0) { - result = _colors.slice(0); - } else if (numColors === 1) { - result = [f(0.5)]; - } else if (numColors > 1) { - var dm = _positions[0]; - var dd = _positions[1] - dm; - result = __range__(0, numColors).map(function (i) { return f(dm + (i / (numColors - 1)) * dd); } - ); - } else { - // returns all colors based on the defined classes - colors = []; - var samples = []; - if (_classes && _classes.length > 2) { - for ( - var i = 1, end = _classes.length, asc = 1 <= end; - asc ? i < end : i > end; - asc ? i++ : i-- - ) { - samples.push((_classes[i - 1] + _classes[i]) * 0.5); - } - } else { - samples = _positions; - } - result = samples.map(function (v) { return f(v); }); - } - - if (chroma[out]) { - result = result.map(function (c) { return c[out](); }); - } - return result; - }; - - f.cache = function (c) { - if (c != null) { - _useCache = c; - return f; - } else { - return _useCache; - } - }; - - f.gamma = function (g) { - if (g != null) { - _gamma = g; - return f; - } else { - return _gamma; - } - }; - - f.nodata = function (d) { - if (d != null) { - _nacol = chroma(d); - return f; - } else { - return _nacol; - } - }; - - return f; - } - - function __range__(left, right, inclusive) { - var range = []; - var ascending = left < right; - var end = right ; - for (var i = left; ascending ? i < end : i > end; ascending ? i++ : i--) { - range.push(i); - } - return range; - } - - // - // interpolates between a set of colors uzing a bezier spline - // - - - // nth row of the pascal triangle - var binom_row = function (n) { - var row = [1, 1]; - for (var i = 1; i < n; i++) { - var newrow = [1]; - for (var j = 1; j <= row.length; j++) { - newrow[j] = (row[j] || 0) + row[j - 1]; - } - row = newrow; - } - return row; - }; - - var bezier = function (colors) { - var assign, assign$1, assign$2; - - var I, lab0, lab1, lab2; - colors = colors.map(function (c) { return new Color(c); }); - if (colors.length === 2) { - // linear interpolation - (assign = colors.map(function (c) { return c.lab(); }), lab0 = assign[0], lab1 = assign[1]); - I = function (t) { - var lab = [0, 1, 2].map(function (i) { return lab0[i] + t * (lab1[i] - lab0[i]); }); - return new Color(lab, 'lab'); - }; - } else if (colors.length === 3) { - // quadratic bezier interpolation - (assign$1 = colors.map(function (c) { return c.lab(); }), lab0 = assign$1[0], lab1 = assign$1[1], lab2 = assign$1[2]); - I = function (t) { - var lab = [0, 1, 2].map( - function (i) { return (1 - t) * (1 - t) * lab0[i] + - 2 * (1 - t) * t * lab1[i] + - t * t * lab2[i]; } - ); - return new Color(lab, 'lab'); - }; - } else if (colors.length === 4) { - // cubic bezier interpolation - var lab3; - (assign$2 = colors.map(function (c) { return c.lab(); }), lab0 = assign$2[0], lab1 = assign$2[1], lab2 = assign$2[2], lab3 = assign$2[3]); - I = function (t) { - var lab = [0, 1, 2].map( - function (i) { return (1 - t) * (1 - t) * (1 - t) * lab0[i] + - 3 * (1 - t) * (1 - t) * t * lab1[i] + - 3 * (1 - t) * t * t * lab2[i] + - t * t * t * lab3[i]; } - ); - return new Color(lab, 'lab'); - }; - } else if (colors.length >= 5) { - // general case (degree n bezier) - var labs, row, n; - labs = colors.map(function (c) { return c.lab(); }); - n = colors.length - 1; - row = binom_row(n); - I = function (t) { - var u = 1 - t; - var lab = [0, 1, 2].map(function (i) { return labs.reduce( - function (sum, el, j) { return sum + row[j] * Math.pow( u, (n - j) ) * Math.pow( t, j ) * el[i]; }, - 0 - ); } - ); - return new Color(lab, 'lab'); - }; - } else { - throw new RangeError('No point in running bezier with only one color.'); - } - return I; - }; - - function bezier$1 (colors) { - var f = bezier(colors); - f.scale = function () { return scale(f); }; - return f; - } - - /* - * interpolates between a set of colors uzing a bezier spline - * blend mode formulas taken from https://web.archive.org/web/20180110014946/http://www.venture-ware.com/kevin/coding/lets-learn-math-photoshop-blend-modes/ - */ - - - var blend = function (bottom, top, mode) { - if (!blend[mode]) { - throw new Error('unknown blend mode ' + mode); - } - return blend[mode](bottom, top); - }; - - var blend_f = function (f) { return function (bottom, top) { - var c0 = chroma(top).rgb(); - var c1 = chroma(bottom).rgb(); - return chroma.rgb(f(c0, c1)); - }; }; - - var each = function (f) { return function (c0, c1) { - var out = []; - out[0] = f(c0[0], c1[0]); - out[1] = f(c0[1], c1[1]); - out[2] = f(c0[2], c1[2]); - return out; - }; }; - - var normal = function (a) { return a; }; - var multiply = function (a, b) { return (a * b) / 255; }; - var darken = function (a, b) { return (a > b ? b : a); }; - var lighten = function (a, b) { return (a > b ? a : b); }; - var screen = function (a, b) { return 255 * (1 - (1 - a / 255) * (1 - b / 255)); }; - var overlay = function (a, b) { return b < 128 ? (2 * a * b) / 255 : 255 * (1 - 2 * (1 - a / 255) * (1 - b / 255)); }; - var burn = function (a, b) { return 255 * (1 - (1 - b / 255) / (a / 255)); }; - var dodge = function (a, b) { - if (a === 255) { return 255; } - a = (255 * (b / 255)) / (1 - a / 255); - return a > 255 ? 255 : a; - }; - - // # add = (a,b) -> - // # if (a + b > 255) then 255 else a + b - - blend.normal = blend_f(each(normal)); - blend.multiply = blend_f(each(multiply)); - blend.screen = blend_f(each(screen)); - blend.overlay = blend_f(each(overlay)); - blend.darken = blend_f(each(darken)); - blend.lighten = blend_f(each(lighten)); - blend.dodge = blend_f(each(dodge)); - blend.burn = blend_f(each(burn)); - - // cubehelix interpolation - // based on D.A. Green "A colour scheme for the display of astronomical intensity images" - // http://astron-soc.in/bulletin/11June/289392011.pdf - var pow$2 = Math.pow; - var sin$1 = Math.sin; - var cos$1 = Math.cos; - - function cubehelix ( - start, - rotations, - hue, - gamma, - lightness - ) { - if ( start === void 0 ) start = 300; - if ( rotations === void 0 ) rotations = -1.5; - if ( hue === void 0 ) hue = 1; - if ( gamma === void 0 ) gamma = 1; - if ( lightness === void 0 ) lightness = [0, 1]; - - var dh = 0, - dl; - if (type(lightness) === 'array') { - dl = lightness[1] - lightness[0]; - } else { - dl = 0; - lightness = [lightness, lightness]; - } - var f = function (fract) { - var a = TWOPI * ((start + 120) / 360 + rotations * fract); - var l = pow$2(lightness[0] + dl * fract, gamma); - var h = dh !== 0 ? hue[0] + fract * dh : hue; - var amp = (h * l * (1 - l)) / 2; - var cos_a = cos$1(a); - var sin_a = sin$1(a); - var r = l + amp * (-0.14861 * cos_a + 1.78277 * sin_a); - var g = l + amp * (-0.29227 * cos_a - 0.90649 * sin_a); - var b = l + amp * (1.97294 * cos_a); - return chroma(clip_rgb([r * 255, g * 255, b * 255, 1])); - }; - f.start = function (s) { - if (s == null) { - return start; - } - start = s; - return f; - }; - f.rotations = function (r) { - if (r == null) { - return rotations; - } - rotations = r; - return f; - }; - f.gamma = function (g) { - if (g == null) { - return gamma; - } - gamma = g; - return f; - }; - f.hue = function (h) { - if (h == null) { - return hue; - } - hue = h; - if (type(hue) === 'array') { - dh = hue[1] - hue[0]; - if (dh === 0) { - hue = hue[1]; - } - } else { - dh = 0; - } - return f; - }; - f.lightness = function (h) { - if (h == null) { - return lightness; - } - if (type(h) === 'array') { - lightness = h; - dl = h[1] - h[0]; - } else { - lightness = [h, h]; - dl = 0; - } - return f; - }; - f.scale = function () { return chroma.scale(f); }; - f.hue(hue); - return f; - } - - var digits = '0123456789abcdef'; - - var floor$1 = Math.floor; - var random = Math.random; - - /** - * Generates a random color. - * @param {() => number} rng - A random number generator function. - */ - function random$1 (rng) { - if ( rng === void 0 ) rng = random; - - var code = '#'; - for (var i = 0; i < 6; i++) { - code += digits.charAt(floor$1(rng() * 16)); - } - return new Color(code, 'hex'); - } - - var log = Math.log; - var pow$1 = Math.pow; - var floor = Math.floor; - var abs$1 = Math.abs; - - function analyze(data, key) { - if ( key === void 0 ) key = null; - - var r = { - min: Number.MAX_VALUE, - max: Number.MAX_VALUE * -1, - sum: 0, - values: [], - count: 0 - }; - if (type(data) === 'object') { - data = Object.values(data); - } - data.forEach(function (val) { - if (key && type(val) === 'object') { val = val[key]; } - if (val !== undefined && val !== null && !isNaN(val)) { - r.values.push(val); - r.sum += val; - if (val < r.min) { r.min = val; } - if (val > r.max) { r.max = val; } - r.count += 1; - } - }); - - r.domain = [r.min, r.max]; - - r.limits = function (mode, num) { return limits(r, mode, num); }; - - return r; - } - - function limits(data, mode, num) { - if ( mode === void 0 ) mode = 'equal'; - if ( num === void 0 ) num = 7; - - if (type(data) == 'array') { - data = analyze(data); - } - var min = data.min; - var max = data.max; - var values = data.values.sort(function (a, b) { return a - b; }); - - if (num === 1) { - return [min, max]; - } - - var limits = []; - - if (mode.substr(0, 1) === 'c') { - // continuous - limits.push(min); - limits.push(max); - } - - if (mode.substr(0, 1) === 'e') { - // equal interval - limits.push(min); - for (var i = 1; i < num; i++) { - limits.push(min + (i / num) * (max - min)); - } - limits.push(max); - } else if (mode.substr(0, 1) === 'l') { - // log scale - if (min <= 0) { - throw new Error( - 'Logarithmic scales are only possible for values > 0' - ); - } - var min_log = Math.LOG10E * log(min); - var max_log = Math.LOG10E * log(max); - limits.push(min); - for (var i$1 = 1; i$1 < num; i$1++) { - limits.push(pow$1(10, min_log + (i$1 / num) * (max_log - min_log))); - } - limits.push(max); - } else if (mode.substr(0, 1) === 'q') { - // quantile scale - limits.push(min); - for (var i$2 = 1; i$2 < num; i$2++) { - var p = ((values.length - 1) * i$2) / num; - var pb = floor(p); - if (pb === p) { - limits.push(values[pb]); - } else { - // p > pb - var pr = p - pb; - limits.push(values[pb] * (1 - pr) + values[pb + 1] * pr); - } - } - limits.push(max); - } else if (mode.substr(0, 1) === 'k') { - // k-means clustering - /* - implementation based on - http://code.google.com/p/figue/source/browse/trunk/figue.js#336 - simplified for 1-d input values - */ - var cluster; - var n = values.length; - var assignments = new Array(n); - var clusterSizes = new Array(num); - var repeat = true; - var nb_iters = 0; - var centroids = null; - - // get seed values - centroids = []; - centroids.push(min); - for (var i$3 = 1; i$3 < num; i$3++) { - centroids.push(min + (i$3 / num) * (max - min)); - } - centroids.push(max); - - while (repeat) { - // assignment step - for (var j = 0; j < num; j++) { - clusterSizes[j] = 0; - } - for (var i$4 = 0; i$4 < n; i$4++) { - var value = values[i$4]; - var mindist = Number.MAX_VALUE; - var best = (void 0); - for (var j$1 = 0; j$1 < num; j$1++) { - var dist = abs$1(centroids[j$1] - value); - if (dist < mindist) { - mindist = dist; - best = j$1; - } - clusterSizes[best]++; - assignments[i$4] = best; - } - } - - // update centroids step - var newCentroids = new Array(num); - for (var j$2 = 0; j$2 < num; j$2++) { - newCentroids[j$2] = null; - } - for (var i$5 = 0; i$5 < n; i$5++) { - cluster = assignments[i$5]; - if (newCentroids[cluster] === null) { - newCentroids[cluster] = values[i$5]; - } else { - newCentroids[cluster] += values[i$5]; - } - } - for (var j$3 = 0; j$3 < num; j$3++) { - newCentroids[j$3] *= 1 / clusterSizes[j$3]; - } - - // check convergence - repeat = false; - for (var j$4 = 0; j$4 < num; j$4++) { - if (newCentroids[j$4] !== centroids[j$4]) { - repeat = true; - break; - } - } - - centroids = newCentroids; - nb_iters++; - - if (nb_iters > 200) { - repeat = false; - } - } - - // finished k-means clustering - // the next part is borrowed from gabrielflor.it - var kClusters = {}; - for (var j$5 = 0; 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c,l,h,s=(o=i(o,"hsv"))[0],d=o[1],b=o[2];if(b*=255,0===d)c=l=h=b;else{360===s&&(s=0),s>360&&(s-=360),s<0&&(s+=360);var g=Zr(s/=60),v=s-g,p=b*(1-d),m=b*(1-d*v),y=b*(1-d*(1-v));switch(g){case 0:c=(r=[b,y,p])[0],l=r[1],h=r[2];break;case 1:c=(n=[m,b,p])[0],l=n[1],h=n[2];break;case 2:c=(e=[p,b,y])[0],l=e[1],h=e[2];break;case 3:c=(t=[p,m,b])[0],l=t[1],h=t[2];break;case 4:c=(a=[y,p,b])[0],l=a[1],h=a[2];break;case 5:c=(f=[b,p,m])[0],l=f[1],h=f[2]}}return[c,l,h,o.length>3?o[3]:1]},k.autodetect.push({p:2,test:function(){for(var r=[],n=arguments.length;n--;)r[n]=arguments[n];if("array"===c(r=i(r,"hsv"))&&3===r.length)return"hsv"}}),M.prototype.lab=function(){return P(this._rgb)};var Ir=function(){for(var r=[],n=arguments.length;n--;)r[n]=arguments[n];return new(Function.prototype.bind.apply(M,[null].concat(r,["lab"])))};Object.assign(N,{lab:Ir,getLabWhitePoint:O,setLabWhitePoint:R}),k.format.lab=K,k.autodetect.push({p:2,test:function(){for(var r=[],n=arguments.length;n--;)r[n]=arguments[n];if("array"===c(r=i(r,"lab"))&&3===r.length)return"lab"}});M.prototype.lch=function(){return C(this._rgb)},M.prototype.hcl=function(){return w(C(this._rgb))};var Kr=function(){for(var r=[],n=arguments.length;n--;)r[n]=arguments[n];return new(Function.prototype.bind.apply(M,[null].concat(r,["lch"])))},zr=function(){for(var r=[],n=arguments.length;n--;)r[n]=arguments[n];return new(Function.prototype.bind.apply(M,[null].concat(r,["hcl"])))};Object.assign(N,{lch:Kr,hcl:zr}),k.format.lch=J,k.format.hcl=function(){for(var r=[],n=arguments.length;n--;)r[n]=arguments[n];var e=w(i(r,"hcl"));return J.apply(void 0,e)},["lch","hcl"].forEach((function(r){return k.autodetect.push({p:2,test:function(){for(var n=[],e=arguments.length;e--;)n[e]=arguments[e];if("array"===c(n=i(n,r))&&3===n.length)return r}})}));M.prototype.num=function(){return function(){for(var r=[],n=arguments.length;n--;)r[n]=arguments[n];var 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r}))),Mn.multiply=Nn(xn((function(r,n){return r*n/255}))),Mn.screen=Nn(xn((function(r,n){return 255*(1-(1-r/255)*(1-n/255))}))),Mn.overlay=Nn(xn((function(r,n){return n<128?2*r*n/255:255*(1-2*(1-r/255)*(1-n/255))}))),Mn.darken=Nn(xn((function(r,n){return r>n?n:r}))),Mn.lighten=Nn(xn((function(r,n){return r>n?r:n}))),Mn.dodge=Nn(xn((function(r,n){return 255===r||(r=n/255*255/(1-r/255))>255?255:r}))),Mn.burn=Nn(xn((function(r,n){return 255*(1-(1-n/255)/(r/255))})));var _n=Math.pow,An=Math.sin,jn=Math.cos;var En=Math.floor,Rn=Math.random;var On=Math.log,Pn=Math.pow,Fn=Math.floor,Ln=Math.abs;function Bn(r,n){void 0===n&&(n=null);var e={min:Number.MAX_VALUE,max:-1*Number.MAX_VALUE,sum:0,values:[],count:0};return"object"===c(r)&&(r=Object.values(r)),r.forEach((function(r){n&&"object"===c(r)&&(r=r[n]),null==r||isNaN(r)||(e.values.push(r),e.sum+=r,re.max&&(e.max=r),e.count+=1)})),e.domain=[e.min,e.max],e.limits=function(r,n){return Gn(e,r,n)},e}function Gn(r,n,e){void 0===n&&(n="equal"),void 0===e&&(e=7),"array"==c(r)&&(r=Bn(r));var t=r.min,a=r.max,f=r.values.sort((function(r,n){return r-n}));if(1===e)return[t,a];var o=[];if("c"===n.substr(0,1)&&(o.push(t),o.push(a)),"e"===n.substr(0,1)){o.push(t);for(var u=1;u 0");var i=Math.LOG10E*On(t),l=Math.LOG10E*On(a);o.push(t);for(var h=1;h200&&(w=!1)}for(var Y={},q=0;q= B_threshold - ? l_text - : l_text + Math.pow(B_threshold - l_text, B_exp); - var Y_bg = - l_bg >= B_threshold ? l_bg : l_bg + Math.pow(B_threshold - l_bg, B_exp); - - // normal polarity (dark text on light background) - var S_norm = Math.pow(Y_bg, 0.56) - Math.pow(Y_text, 0.57); - // reverse polarity (light text on dark background) - var S_rev = Math.pow(Y_bg, 0.65) - Math.pow(Y_text, 0.62); - // clamp noise then scale - var C = - Math.abs(Y_bg - Y_text) < P_in - ? 0 - : Y_text < Y_bg - ? 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C - W_offset : C + W_offset; - // scale to 100 - return S_apc * 100; - } - function lum(r, g, b) { - return ( - 0.2126729 * Math.pow(r / 255, 2.4) + - 0.7151522 * Math.pow(g / 255, 2.4) + - 0.072175 * Math.pow(b / 255, 2.4) - ); - } - - var sqrt = Math.sqrt; - var pow = Math.pow; - var min = Math.min; - var max = Math.max; - var atan2 = Math.atan2; - var abs = Math.abs; - var cos = Math.cos; - var sin = Math.sin; - var exp = Math.exp; - var PI = Math.PI; - - function deltaE (a, b, Kl, Kc, Kh) { - if ( Kl === void 0 ) Kl = 1; - if ( Kc === void 0 ) Kc = 1; - if ( Kh === void 0 ) Kh = 1; - - // Delta E (CIE 2000) - // see http://www.brucelindbloom.com/index.html?Eqn_DeltaE_CIE2000.html - var rad2deg = function (rad) { - return (360 * rad) / (2 * PI); - }; - var deg2rad = function (deg) { - return (2 * PI * deg) / 360; - }; - a = new Color(a); - b = new Color(b); - var ref = Array.from(a.lab()); - var L1 = ref[0]; - var a1 = ref[1]; - var b1 = ref[2]; - var ref$1 = Array.from(b.lab()); - var L2 = ref$1[0]; - var a2 = ref$1[1]; - var b2 = ref$1[2]; - var avgL = (L1 + L2) / 2; - var C1 = sqrt(pow(a1, 2) + pow(b1, 2)); - var C2 = sqrt(pow(a2, 2) + pow(b2, 2)); - var avgC = (C1 + C2) / 2; - var G = 0.5 * (1 - sqrt(pow(avgC, 7) / (pow(avgC, 7) + pow(25, 7)))); - var a1p = a1 * (1 + G); - var a2p = a2 * (1 + G); - var C1p = sqrt(pow(a1p, 2) + pow(b1, 2)); - var C2p = sqrt(pow(a2p, 2) + pow(b2, 2)); - var avgCp = (C1p + C2p) / 2; - var arctan1 = rad2deg(atan2(b1, a1p)); - var arctan2 = rad2deg(atan2(b2, a2p)); - var h1p = arctan1 >= 0 ? arctan1 : arctan1 + 360; - var h2p = arctan2 >= 0 ? arctan2 : arctan2 + 360; - var avgHp = - abs(h1p - h2p) > 180 ? (h1p + h2p + 360) / 2 : (h1p + h2p) / 2; - var T = - 1 - - 0.17 * cos(deg2rad(avgHp - 30)) + - 0.24 * cos(deg2rad(2 * avgHp)) + - 0.32 * cos(deg2rad(3 * avgHp + 6)) - - 0.2 * cos(deg2rad(4 * avgHp - 63)); - var deltaHp = h2p - h1p; - deltaHp = - abs(deltaHp) <= 180 - ? deltaHp - : h2p <= h1p - ? deltaHp + 360 - : deltaHp - 360; - deltaHp = 2 * sqrt(C1p * C2p) * sin(deg2rad(deltaHp) / 2); - var deltaL = L2 - L1; - var deltaCp = C2p - C1p; - var sl = 1 + (0.015 * pow(avgL - 50, 2)) / sqrt(20 + pow(avgL - 50, 2)); - var sc = 1 + 0.045 * avgCp; - var sh = 1 + 0.015 * avgCp * T; - var deltaTheta = 30 * exp(-pow((avgHp - 275) / 25, 2)); - var Rc = 2 * sqrt(pow(avgCp, 7) / (pow(avgCp, 7) + pow(25, 7))); - var Rt = -Rc * sin(2 * deg2rad(deltaTheta)); - var result = sqrt( - pow(deltaL / (Kl * sl), 2) + - pow(deltaCp / (Kc * sc), 2) + - pow(deltaHp / (Kh * sh), 2) + - Rt * (deltaCp / (Kc * sc)) * (deltaHp / (Kh * sh)) - ); - return max(0, min(100, result)); - } - - // simple Euclidean distance - function distance (a, b, mode) { - if ( mode === void 0 ) mode = 'lab'; - - // Delta E (CIE 1976) - // see http://www.brucelindbloom.com/index.html?Equations.html - a = new Color(a); - b = new Color(b); - var l1 = a.get(mode); - var l2 = b.get(mode); - var sum_sq = 0; - for (var i in l1) { - var d = (l1[i] || 0) - (l2[i] || 0); - sum_sq += d * d; - } - return Math.sqrt(sum_sq); - } - - function valid () { - var args = [], len = arguments.length; - while ( len-- ) args[ len ] = arguments[ len ]; - - try { - new (Function.prototype.bind.apply( Color, [ null ].concat( args) )); - return true; - // eslint-disable-next-line - } catch (e) { - return false; - } - } - - // some pre-defined color scales: - - var scales = { - cool: function cool() { - return scale([chroma.hsl(180, 1, 0.9), chroma.hsl(250, 0.7, 0.4)]); - }, - hot: function hot() { - return scale(['#000', '#f00', '#ff0', '#fff']).mode( - 'rgb' - ); - } - }; - - /** - ColorBrewer colors for chroma.js - - Copyright (c) 2002 Cynthia Brewer, Mark Harrower, and The - Pennsylvania State University. - - 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 colorbrewer = { - // sequential - OrRd: ['#fff7ec', '#fee8c8', '#fdd49e', '#fdbb84', '#fc8d59', '#ef6548', '#d7301f', '#b30000', '#7f0000'], - PuBu: ['#fff7fb', '#ece7f2', '#d0d1e6', '#a6bddb', '#74a9cf', '#3690c0', '#0570b0', '#045a8d', '#023858'], - BuPu: ['#f7fcfd', '#e0ecf4', '#bfd3e6', '#9ebcda', '#8c96c6', '#8c6bb1', '#88419d', '#810f7c', '#4d004b'], - Oranges: ['#fff5eb', '#fee6ce', '#fdd0a2', '#fdae6b', '#fd8d3c', '#f16913', '#d94801', '#a63603', '#7f2704'], - BuGn: ['#f7fcfd', '#e5f5f9', '#ccece6', '#99d8c9', '#66c2a4', '#41ae76', '#238b45', '#006d2c', '#00441b'], - YlOrBr: ['#ffffe5', '#fff7bc', '#fee391', '#fec44f', '#fe9929', '#ec7014', '#cc4c02', '#993404', '#662506'], - YlGn: ['#ffffe5', '#f7fcb9', '#d9f0a3', '#addd8e', '#78c679', '#41ab5d', '#238443', '#006837', '#004529'], - Reds: ['#fff5f0', '#fee0d2', '#fcbba1', '#fc9272', '#fb6a4a', '#ef3b2c', '#cb181d', '#a50f15', '#67000d'], - RdPu: ['#fff7f3', '#fde0dd', '#fcc5c0', '#fa9fb5', '#f768a1', '#dd3497', '#ae017e', '#7a0177', '#49006a'], - Greens: ['#f7fcf5', '#e5f5e0', '#c7e9c0', '#a1d99b', '#74c476', '#41ab5d', '#238b45', '#006d2c', '#00441b'], - YlGnBu: ['#ffffd9', '#edf8b1', '#c7e9b4', '#7fcdbb', '#41b6c4', '#1d91c0', '#225ea8', '#253494', '#081d58'], - Purples: ['#fcfbfd', '#efedf5', '#dadaeb', '#bcbddc', '#9e9ac8', '#807dba', '#6a51a3', '#54278f', '#3f007d'], - GnBu: ['#f7fcf0', '#e0f3db', '#ccebc5', '#a8ddb5', '#7bccc4', '#4eb3d3', '#2b8cbe', '#0868ac', '#084081'], - Greys: ['#ffffff', '#f0f0f0', '#d9d9d9', '#bdbdbd', '#969696', '#737373', '#525252', '#252525', '#000000'], - YlOrRd: ['#ffffcc', '#ffeda0', '#fed976', '#feb24c', '#fd8d3c', '#fc4e2a', '#e31a1c', '#bd0026', '#800026'], - PuRd: ['#f7f4f9', '#e7e1ef', '#d4b9da', '#c994c7', '#df65b0', '#e7298a', '#ce1256', '#980043', '#67001f'], - Blues: ['#f7fbff', '#deebf7', '#c6dbef', '#9ecae1', '#6baed6', '#4292c6', '#2171b5', '#08519c', '#08306b'], - PuBuGn: ['#fff7fb', '#ece2f0', '#d0d1e6', '#a6bddb', '#67a9cf', '#3690c0', '#02818a', '#016c59', '#014636'], - Viridis: ['#440154', '#482777', '#3f4a8a', '#31678e', '#26838f', '#1f9d8a', '#6cce5a', '#b6de2b', '#fee825'], - - // diverging - Spectral: ['#9e0142', '#d53e4f', '#f46d43', '#fdae61', '#fee08b', '#ffffbf', '#e6f598', '#abdda4', '#66c2a5', '#3288bd', '#5e4fa2'], - RdYlGn: ['#a50026', '#d73027', '#f46d43', '#fdae61', '#fee08b', '#ffffbf', '#d9ef8b', '#a6d96a', '#66bd63', '#1a9850', '#006837'], - RdBu: ['#67001f', '#b2182b', '#d6604d', '#f4a582', '#fddbc7', '#f7f7f7', '#d1e5f0', '#92c5de', '#4393c3', '#2166ac', '#053061'], - PiYG: ['#8e0152', '#c51b7d', '#de77ae', '#f1b6da', '#fde0ef', '#f7f7f7', '#e6f5d0', '#b8e186', '#7fbc41', '#4d9221', '#276419'], - PRGn: ['#40004b', '#762a83', '#9970ab', '#c2a5cf', '#e7d4e8', '#f7f7f7', '#d9f0d3', '#a6dba0', '#5aae61', '#1b7837', '#00441b'], - RdYlBu: ['#a50026', '#d73027', '#f46d43', '#fdae61', '#fee090', '#ffffbf', '#e0f3f8', '#abd9e9', '#74add1', '#4575b4', '#313695'], - BrBG: ['#543005', '#8c510a', '#bf812d', '#dfc27d', '#f6e8c3', '#f5f5f5', '#c7eae5', '#80cdc1', '#35978f', '#01665e', '#003c30'], - RdGy: ['#67001f', '#b2182b', '#d6604d', '#f4a582', '#fddbc7', '#ffffff', '#e0e0e0', '#bababa', '#878787', '#4d4d4d', '#1a1a1a'], - PuOr: ['#7f3b08', '#b35806', '#e08214', '#fdb863', '#fee0b6', '#f7f7f7', '#d8daeb', '#b2abd2', '#8073ac', '#542788', '#2d004b'], - - // qualitative - Set2: ['#66c2a5', '#fc8d62', '#8da0cb', '#e78ac3', '#a6d854', '#ffd92f', '#e5c494', '#b3b3b3'], - Accent: ['#7fc97f', '#beaed4', '#fdc086', '#ffff99', '#386cb0', '#f0027f', '#bf5b17', '#666666'], - Set1: ['#e41a1c', '#377eb8', '#4daf4a', '#984ea3', '#ff7f00', '#ffff33', '#a65628', '#f781bf', '#999999'], - Set3: ['#8dd3c7', '#ffffb3', '#bebada', '#fb8072', '#80b1d3', '#fdb462', '#b3de69', '#fccde5', '#d9d9d9', '#bc80bd', '#ccebc5', '#ffed6f'], - Dark2: ['#1b9e77', '#d95f02', '#7570b3', '#e7298a', '#66a61e', '#e6ab02', '#a6761d', '#666666'], - Paired: ['#a6cee3', '#1f78b4', '#b2df8a', '#33a02c', '#fb9a99', '#e31a1c', '#fdbf6f', '#ff7f00', '#cab2d6', '#6a3d9a', '#ffff99', '#b15928'], - Pastel2: ['#b3e2cd', '#fdcdac', '#cbd5e8', '#f4cae4', '#e6f5c9', '#fff2ae', '#f1e2cc', '#cccccc'], - Pastel1: ['#fbb4ae', '#b3cde3', '#ccebc5', '#decbe4', '#fed9a6', '#ffffcc', '#e5d8bd', '#fddaec', '#f2f2f2'] - }; - - var colorbrewerTypes = Object.keys(colorbrewer); - var typeMap = new Map(colorbrewerTypes.map(function (key) { return [key.toLowerCase(), key]; })); - - // use Proxy to allow case-insensitive access to palettes - var colorbrewerProxy = - typeof Proxy === 'function' - ? new Proxy(colorbrewer, { - get: function get(target, prop) { - var lower = prop.toLowerCase(); - if (typeMap.has(lower)) { - return target[typeMap.get(lower)]; - } - }, - getOwnPropertyNames: function getOwnPropertyNames() { - return Object.getOwnPropertyNames(colorbrewerTypes); - } - }) - : colorbrewer; - - // feel free to comment out anything to rollup - // a smaller chroma.js bundle - - Object.assign(chroma, { - analyze: analyze, - average: average, - bezier: bezier$1, - blend: blend, - brewer: colorbrewerProxy, - Color: Color, - colors: w3cx11, - contrast: contrast, - contrastAPCA: contrastAPCA, - cubehelix: cubehelix, - deltaE: deltaE, - distance: distance, - input: input, - interpolate: mix, - limits: limits, - mix: mix, - random: random$1, - scale: scale, - scales: scales, - valid: valid, - cmyk: cmyk, - css: css, - gl: gl, - hcg: hcg$1, - hex: hex, - hsi: hsi$1, - hsl: hsl$1, - hsv: hsv$1, - lab: lab$1, - lch: lch$1, - hcl: hcl, - num: num$1, - rgb: rgb$1, - temp: temp, - kelvin: temp, - temperature: temp, - oklab: oklab$1, - oklch: oklch$1, - getLabWhitePoint: getLabWhitePoint, - setLabWhitePoint: setLabWhitePoint - }); - - return chroma; - -})); +var Yn=.022;function qn(r,n,e){return.2126729*Math.pow(r/255,2.4)+.7151522*Math.pow(n/255,2.4)+.072175*Math.pow(e/255,2.4)}var Cn=Math.sqrt,Xn=Math.pow,Zn=Math.min,$n=Math.max,Sn=Math.atan2,Wn=Math.abs,In=Math.cos,Kn=Math.sin,zn=Math.exp,Un=Math.PI;var Vn={cool:function(){return kn([N.hsl(180,1,.9),N.hsl(250,.7,.4)])},hot:function(){return kn(["#000","#f00","#ff0","#fff"]).mode("rgb")}},Dn={OrRd:["#fff7ec","#fee8c8","#fdd49e","#fdbb84","#fc8d59","#ef6548","#d7301f","#b30000","#7f0000"],PuBu:["#fff7fb","#ece7f2","#d0d1e6","#a6bddb","#74a9cf","#3690c0","#0570b0","#045a8d","#023858"],BuPu:["#f7fcfd","#e0ecf4","#bfd3e6","#9ebcda","#8c96c6","#8c6bb1","#88419d","#810f7c","#4d004b"],Oranges:["#fff5eb","#fee6ce","#fdd0a2","#fdae6b","#fd8d3c","#f16913","#d94801","#a63603","#7f2704"],BuGn:["#f7fcfd","#e5f5f9","#ccece6","#99d8c9","#66c2a4","#41ae76","#238b45","#006d2c","#00441b"],YlOrBr:["#ffffe5","#fff7bc","#fee391","#fec44f","#fe9929","#ec7014","#cc4c02","#993404","#662506"],YlGn:["#ffffe5","#f7fcb9","#d9f0a3","#addd8e","#78c679","#41ab5d","#238443","#006837","#004529"],Reds:["#fff5f0","#fee0d2","#fcbba1","#fc9272","#fb6a4a","#ef3b2c","#cb181d","#a50f15","#67000d"],RdPu:["#fff7f3","#fde0dd","#fcc5c0","#fa9fb5","#f768a1","#dd3497","#ae017e","#7a0177","#49006a"],Greens:["#f7fcf5","#e5f5e0","#c7e9c0","#a1d99b","#74c476","#41ab5d","#238b45","#006d2c","#00441b"],YlGnBu:["#ffffd9","#edf8b1","#c7e9b4","#7fcdbb","#41b6c4","#1d91c0","#225ea8","#253494","#081d58"],Purples:["#fcfbfd","#efedf5","#dadaeb","#bcbddc","#9e9ac8","#807dba","#6a51a3","#54278f","#3f007d"],GnBu:["#f7fcf0","#e0f3db","#ccebc5","#a8ddb5","#7bccc4","#4eb3d3","#2b8cbe","#0868ac","#084081"],Greys:["#ffffff","#f0f0f0","#d9d9d9","#bdbdbd","#969696","#737373","#525252","#252525","#000000"],YlOrRd:["#ffffcc","#ffeda0","#fed976","#feb24c","#fd8d3c","#fc4e2a","#e31a1c","#bd0026","#800026"],PuRd:["#f7f4f9","#e7e1ef","#d4b9da","#c994c7","#df65b0","#e7298a","#ce1256","#980043","#67001f"],Blues:["#f7fbff","#deebf7","#c6dbef","#9ecae1","#6baed6","#4292c6","#2171b5","#08519c","#08306b"],PuBuGn:["#fff7fb","#ece2f0","#d0d1e6","#a6bddb","#67a9cf","#3690c0","#02818a","#016c59","#014636"],Viridis:["#440154","#482777","#3f4a8a","#31678e","#26838f","#1f9d8a","#6cce5a","#b6de2b","#fee825"],Spectral:["#9e0142","#d53e4f","#f46d43","#fdae61","#fee08b","#ffffbf","#e6f598","#abdda4","#66c2a5","#3288bd","#5e4fa2"],RdYlGn:["#a50026","#d73027","#f46d43","#fdae61","#fee08b","#ffffbf","#d9ef8b","#a6d96a","#66bd63","#1a9850","#006837"],RdBu:["#67001f","#b2182b","#d6604d","#f4a582","#fddbc7","#f7f7f7","#d1e5f0","#92c5de","#4393c3","#2166ac","#053061"],PiYG:["#8e0152","#c51b7d","#de77ae","#f1b6da","#fde0ef","#f7f7f7","#e6f5d0","#b8e186","#7fbc41","#4d9221","#276419"],PRGn:["#40004b","#762a83","#9970ab","#c2a5cf","#e7d4e8","#f7f7f7","#d9f0d3","#a6dba0","#5aae61","#1b7837","#00441b"],RdYlBu:["#a50026","#d73027","#f46d43","#fdae61","#fee090","#ffffbf","#e0f3f8","#abd9e9","#74add1","#4575b4","#313695"],BrBG:["#543005","#8c510a","#bf812d","#dfc27d","#f6e8c3","#f5f5f5","#c7eae5","#80cdc1","#35978f","#01665e","#003c30"],RdGy:["#67001f","#b2182b","#d6604d","#f4a582","#fddbc7","#ffffff","#e0e0e0","#bababa","#878787","#4d4d4d","#1a1a1a"],PuOr:["#7f3b08","#b35806","#e08214","#fdb863","#fee0b6","#f7f7f7","#d8daeb","#b2abd2","#8073ac","#542788","#2d004b"],Set2:["#66c2a5","#fc8d62","#8da0cb","#e78ac3","#a6d854","#ffd92f","#e5c494","#b3b3b3"],Accent:["#7fc97f","#beaed4","#fdc086","#ffff99","#386cb0","#f0027f","#bf5b17","#666666"],Set1:["#e41a1c","#377eb8","#4daf4a","#984ea3","#ff7f00","#ffff33","#a65628","#f781bf","#999999"],Set3:["#8dd3c7","#ffffb3","#bebada","#fb8072","#80b1d3","#fdb462","#b3de69","#fccde5","#d9d9d9","#bc80bd","#ccebc5","#ffed6f"],Dark2:["#1b9e77","#d95f02","#7570b3","#e7298a","#66a61e","#e6ab02","#a6761d","#666666"],Paired:["#a6cee3","#1f78b4","#b2df8a","#33a02c","#fb9a99","#e31a1c","#fdbf6f","#ff7f00","#cab2d6","#6a3d9a","#ffff99","#b15928"],Pastel2:["#b3e2cd","#fdcdac","#cbd5e8","#f4cae4","#e6f5c9","#fff2ae","#f1e2cc","#cccccc"],Pastel1:["#fbb4ae","#b3cde3","#ccebc5","#decbe4","#fed9a6","#ffffcc","#e5d8bd","#fddaec","#f2f2f2"]},Tn=Object.keys(Dn),Hn=new Map(Tn.map((function(r){return[r.toLowerCase(),r]}))),Jn="function"==typeof Proxy?new Proxy(Dn,{get:function(r,n){var e=n.toLowerCase();if(Hn.has(e))return r[Hn.get(e)]},getOwnPropertyNames:function(){return Object.getOwnPropertyNames(Tn)}}):Dn;return Object.assign(N,{analyze:Bn,average:function(r,n,e){void 0===n&&(n="lrgb"),void 0===e&&(e=null);var t=r.length;e||(e=Array.from(new Array(t)).map((function(){return 1})));var a=t/e.reduce((function(r,n){return r+n}));if(e.forEach((function(r,n){e[n]*=a})),r=r.map((function(r){return new M(r)})),"lrgb"===n)return yn(r,e);for(var f=r.shift(),o=f.get(n),u=[],c=0,i=0,l=0;l=360;)b-=360;o[d]=b}else o[d]=o[d]/u[d];return s/=t,new M(o,n).alpha(s>.99999?1:s,!0)},bezier:function(r){var n=function(r){var n,e,t,a,f,o,u;if(2===(r=r.map((function(r){return new M(r)}))).length)n=r.map((function(r){return r.lab()})),f=n[0],o=n[1],a=function(r){var n=[0,1,2].map((function(n){return f[n]+r*(o[n]-f[n])}));return new M(n,"lab")};else if(3===r.length)e=r.map((function(r){return r.lab()})),f=e[0],o=e[1],u=e[2],a=function(r){var n=[0,1,2].map((function(n){return(1-r)*(1-r)*f[n]+2*(1-r)*r*o[n]+r*r*u[n]}));return new M(n,"lab")};else if(4===r.length){var c;t=r.map((function(r){return r.lab()})),f=t[0],o=t[1],u=t[2],c=t[3],a=function(r){var n=[0,1,2].map((function(n){return(1-r)*(1-r)*(1-r)*f[n]+3*(1-r)*(1-r)*r*o[n]+3*(1-r)*r*r*u[n]+r*r*r*c[n]}));return new M(n,"lab")}}else{if(!(r.length>=5))throw new RangeError("No point in running bezier with only one color.");var i,l,h;i=r.map((function(r){return r.lab()})),h=r.length-1,l=function(r){for(var n=[1,1],e=1;et?(e+.05)/(t+.05):(t+.05)/(e+.05)},contrastAPCA:function(r,n){r=new M(r),n=new M(n),r.alpha()<1&&(r=un(n,r,r.alpha(),"rgb"));var e=qn.apply(void 0,r.rgb()),t=qn.apply(void 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diff --git a/base_geoengine/static/lib/geostats-2.1.0/geostats.js b/base_geoengine/static/lib/geostats-2.1.0/geostats.js index 0da331884..2864139c7 100755 --- a/base_geoengine/static/lib/geostats-2.1.0/geostats.js +++ b/base_geoengine/static/lib/geostats-2.1.0/geostats.js @@ -1,1435 +1,29 @@ -/** -* geostats() is a tiny and standalone javascript library for classification -* Project page - https://github.com/simogeo/geostats -* Copyright (c) 2011 Simon Georget, http://www.intermezzo-coop.eu -* Licensed under the MIT license -*/ - - -(function (definition) { - // This file will function properly as a