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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you 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.
*/


/**
 * AUTO-GENERATED FILE. DO NOT MODIFY.
 */

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you 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.
*/
import * as pathTool from 'zrender/lib/tool/path.js';
import * as matrix from 'zrender/lib/core/matrix.js';
import * as vector from 'zrender/lib/core/vector.js';
import Path from 'zrender/lib/graphic/Path.js';
import Transformable from 'zrender/lib/core/Transformable.js';
import ZRImage from 'zrender/lib/graphic/Image.js';
import Group from 'zrender/lib/graphic/Group.js';
import ZRText from 'zrender/lib/graphic/Text.js';
import Circle from 'zrender/lib/graphic/shape/Circle.js';
import Ellipse from 'zrender/lib/graphic/shape/Ellipse.js';
import Sector from 'zrender/lib/graphic/shape/Sector.js';
import Ring from 'zrender/lib/graphic/shape/Ring.js';
import Polygon from 'zrender/lib/graphic/shape/Polygon.js';
import Polyline from 'zrender/lib/graphic/shape/Polyline.js';
import Rect from 'zrender/lib/graphic/shape/Rect.js';
import Line from 'zrender/lib/graphic/shape/Line.js';
import BezierCurve from 'zrender/lib/graphic/shape/BezierCurve.js';
import Arc from 'zrender/lib/graphic/shape/Arc.js';
import CompoundPath from 'zrender/lib/graphic/CompoundPath.js';
import LinearGradient from 'zrender/lib/graphic/LinearGradient.js';
import RadialGradient from 'zrender/lib/graphic/RadialGradient.js';
import BoundingRect from 'zrender/lib/core/BoundingRect.js';
import OrientedBoundingRect from 'zrender/lib/core/OrientedBoundingRect.js';
import Point from 'zrender/lib/core/Point.js';
import IncrementalDisplayable from 'zrender/lib/graphic/IncrementalDisplayable.js';
import * as subPixelOptimizeUtil from 'zrender/lib/graphic/helper/subPixelOptimize.js';
import { extend, isArrayLike, map, defaults, isString, keys, each, hasOwn, isArray } from 'zrender/lib/core/util.js';
import { getECData } from './innerStore.js';
import { updateProps, initProps, removeElement, removeElementWithFadeOut, isElementRemoved } from '../animation/basicTrasition.js';
/**
 * @deprecated export for compatitable reason
 */

export { updateProps, initProps, removeElement, removeElementWithFadeOut, isElementRemoved };
var mathMax = Math.max;
var mathMin = Math.min;
var _customShapeMap = {};
/**
 * Extend shape with parameters
 */

export function extendShape(opts) {
  return Path.extend(opts);
}
var extendPathFromString = pathTool.extendFromString;
/**
 * Extend path
 */

export function extendPath(pathData, opts) {
  return extendPathFromString(pathData, opts);
}
/**
 * Register a user defined shape.
 * The shape class can be fetched by `getShapeClass`
 * This method will overwrite the registered shapes, including
 * the registered built-in shapes, if using the same `name`.
 * The shape can be used in `custom series` and
 * `graphic component` by declaring `{type: name}`.
 *
 * @param name
 * @param ShapeClass Can be generated by `extendShape`.
 */

export function registerShape(name, ShapeClass) {
  _customShapeMap[name] = ShapeClass;
}
/**
 * Find shape class registered by `registerShape`. Usually used in
 * fetching user defined shape.
 *
 * [Caution]:
 * (1) This method **MUST NOT be used inside echarts !!!**, unless it is prepared
 * to use user registered shapes.
 * Because the built-in shape (see `getBuiltInShape`) will be registered by
 * `registerShape` by default. That enables users to get both built-in
 * shapes as well as the shapes belonging to themsleves. But users can overwrite
 * the built-in shapes by using names like 'circle', 'rect' via calling
 * `registerShape`. So the echarts inner featrues should not fetch shapes from here
 * in case that it is overwritten by users, except that some features, like
 * `custom series`, `graphic component`, do it deliberately.
 *
 * (2) In the features like `custom series`, `graphic component`, the user input
 * `{tpye: 'xxx'}` does not only specify shapes but also specify other graphic
 * elements like `'group'`, `'text'`, `'image'` or event `'path'`. Those names
 * are reserved names, that is, if some user register a shape named `'image'`,
 * the shape will not be used. If we intending to add some more reserved names
 * in feature, that might bring break changes (disable some existing user shape
 * names). But that case probably rearly happen. So we dont make more mechanism
 * to resolve this issue here.
 *
 * @param name
 * @return The shape class. If not found, return nothing.
 */

export function getShapeClass(name) {
  if (_customShapeMap.hasOwnProperty(name)) {
    return _customShapeMap[name];
  }
}
/**
 * Create a path element from path data string
 * @param pathData
 * @param opts
 * @param rect
 * @param layout 'center' or 'cover' default to be cover
 */

export function makePath(pathData, opts, rect, layout) {
  var path = pathTool.createFromString(pathData, opts);

  if (rect) {
    if (layout === 'center') {
      rect = centerGraphic(rect, path.getBoundingRect());
    }

    resizePath(path, rect);
  }

  return path;
}
/**
 * Create a image element from image url
 * @param imageUrl image url
 * @param opts options
 * @param rect constrain rect
 * @param layout 'center' or 'cover'. Default to be 'cover'
 */

export function makeImage(imageUrl, rect, layout) {
  var zrImg = new ZRImage({
    style: {
      image: imageUrl,
      x: rect.x,
      y: rect.y,
      width: rect.width,
      height: rect.height
    },
    onload: function (img) {
      if (layout === 'center') {
        var boundingRect = {
          width: img.width,
          height: img.height
        };
        zrImg.setStyle(centerGraphic(rect, boundingRect));
      }
    }
  });
  return zrImg;
}
/**
 * Get position of centered element in bounding box.
 *
 * @param  rect         element local bounding box
 * @param  boundingRect constraint bounding box
 * @return element position containing x, y, width, and height
 */

function centerGraphic(rect, boundingRect) {
  // Set rect to center, keep width / height ratio.
  var aspect = boundingRect.width / boundingRect.height;
  var width = rect.height * aspect;
  var height;

  if (width <= rect.width) {
    height = rect.height;
  } else {
    width = rect.width;
    height = width / aspect;
  }

  var cx = rect.x + rect.width / 2;
  var cy = rect.y + rect.height / 2;
  return {
    x: cx - width / 2,
    y: cy - height / 2,
    width: width,
    height: height
  };
}

export var mergePath = pathTool.mergePath;
/**
 * Resize a path to fit the rect
 * @param path
 * @param rect
 */

export function resizePath(path, rect) {
  if (!path.applyTransform) {
    return;
  }

  var pathRect = path.getBoundingRect();
  var m = pathRect.calculateTransform(rect);
  path.applyTransform(m);
}
/**
 * Sub pixel optimize line for canvas
 */

export function subPixelOptimizeLine(param) {
  subPixelOptimizeUtil.subPixelOptimizeLine(param.shape, param.shape, param.style);
  return param;
}
/**
 * Sub pixel optimize rect for canvas
 */

export function subPixelOptimizeRect(param) {
  subPixelOptimizeUtil.subPixelOptimizeRect(param.shape, param.shape, param.style);
  return param;
}
/**
 * Sub pixel optimize for canvas
 *
 * @param position Coordinate, such as x, y
 * @param lineWidth Should be nonnegative integer.
 * @param positiveOrNegative Default false (negative).
 * @return Optimized position.
 */

export var subPixelOptimize = subPixelOptimizeUtil.subPixelOptimize;
/**
 * Get transform matrix of target (param target),
 * in coordinate of its ancestor (param ancestor)
 *
 * @param target
 * @param [ancestor]
 */

export function getTransform(target, ancestor) {
  var mat = matrix.identity([]);

  while (target && target !== ancestor) {
    matrix.mul(mat, target.getLocalTransform(), mat);
    target = target.parent;
  }

  return mat;
}
/**
 * Apply transform to an vertex.
 * @param target [x, y]
 * @param transform Can be:
 *      + Transform matrix: like [1, 0, 0, 1, 0, 0]
 *      + {position, rotation, scale}, the same as `zrender/Transformable`.
 * @param invert Whether use invert matrix.
 * @return [x, y]
 */

export function applyTransform(target, transform, invert) {
  if (transform && !isArrayLike(transform)) {
    transform = Transformable.getLocalTransform(transform);
  }

  if (invert) {
    transform = matrix.invert([], transform);
  }

  return vector.applyTransform([], target, transform);
}
/**
 * @param direction 'left' 'right' 'top' 'bottom'
 * @param transform Transform matrix: like [1, 0, 0, 1, 0, 0]
 * @param invert Whether use invert matrix.
 * @return Transformed direction. 'left' 'right' 'top' 'bottom'
 */

export function transformDirection(direction, transform, invert) {
  // Pick a base, ensure that transform result will not be (0, 0).
  var hBase = transform[4] === 0 || transform[5] === 0 || transform[0] === 0 ? 1 : Math.abs(2 * transform[4] / transform[0]);
  var vBase = transform[4] === 0 || transform[5] === 0 || transform[2] === 0 ? 1 : Math.abs(2 * transform[4] / transform[2]);
  var vertex = [direction === 'left' ? -hBase : direction === 'right' ? hBase : 0, direction === 'top' ? -vBase : direction === 'bottom' ? vBase : 0];
  vertex = applyTransform(vertex, transform, invert);
  return Math.abs(vertex[0]) > Math.abs(vertex[1]) ? vertex[0] > 0 ? 'right' : 'left' : vertex[1] > 0 ? 'bottom' : 'top';
}

function isNotGroup(el) {
  return !el.isGroup;
}

function isPath(el) {
  return el.shape != null;
}
/**
 * Apply group transition animation from g1 to g2.
 * If no animatableModel, no animation.
 */


export function groupTransition(g1, g2, animatableModel) {
  if (!g1 || !g2) {
    return;
  }

  function getElMap(g) {
    var elMap = {};
    g.traverse(function (el) {
      if (isNotGroup(el) && el.anid) {
        elMap[el.anid] = el;
      }
    });
    return elMap;
  }

  function getAnimatableProps(el) {
    var obj = {
      x: el.x,
      y: el.y,
      rotation: el.rotation
    };

    if (isPath(el)) {
      obj.shape = extend({}, el.shape);
    }

    return obj;
  }

  var elMap1 = getElMap(g1);
  g2.traverse(function (el) {
    if (isNotGroup(el) && el.anid) {
      var oldEl = elMap1[el.anid];

      if (oldEl) {
        var newProp = getAnimatableProps(el);
        el.attr(getAnimatableProps(oldEl));
        updateProps(el, newProp, animatableModel, getECData(el).dataIndex);
      }
    }
  });
}
export function clipPointsByRect(points, rect) {
  // FIXME: this way migth be incorrect when grpahic clipped by a corner.
  // and when element have border.
  return map(points, function (point) {
    var x = point[0];
    x = mathMax(x, rect.x);
    x = mathMin(x, rect.x + rect.width);
    var y = point[1];
    y = mathMax(y, rect.y);
    y = mathMin(y, rect.y + rect.height);
    return [x, y];
  });
}
/**
 * Return a new clipped rect. If rect size are negative, return undefined.
 */

export function clipRectByRect(targetRect, rect) {
  var x = mathMax(targetRect.x, rect.x);
  var x2 = mathMin(targetRect.x + targetRect.width, rect.x + rect.width);
  var y = mathMax(targetRect.y, rect.y);
  var y2 = mathMin(targetRect.y + targetRect.height, rect.y + rect.height); // If the total rect is cliped, nothing, including the border,
  // should be painted. So return undefined.

  if (x2 >= x && y2 >= y) {
    return {
      x: x,
      y: y,
      width: x2 - x,
      height: y2 - y
    };
  }
}
export function createIcon(iconStr, // Support 'image://' or 'path://' or direct svg path.
opt, rect) {
  var innerOpts = extend({
    rectHover: true
  }, opt);
  var style = innerOpts.style = {
    strokeNoScale: true
  };
  rect = rect || {
    x: -1,
    y: -1,
    width: 2,
    height: 2
  };

  if (iconStr) {
    return iconStr.indexOf('image://') === 0 ? (style.image = iconStr.slice(8), defaults(style, rect), new ZRImage(innerOpts)) : makePath(iconStr.replace('path://', ''), innerOpts, rect, 'center');
  }
}
/**
 * Return `true` if the given line (line `a`) and the given polygon
 * are intersect.
 * Note that we do not count colinear as intersect here because no
 * requirement for that. We could do that if required in future.
 */

export function linePolygonIntersect(a1x, a1y, a2x, a2y, points) {
  for (var i = 0, p2 = points[points.length - 1]; i < points.length; i++) {
    var p = points[i];

    if (lineLineIntersect(a1x, a1y, a2x, a2y, p[0], p[1], p2[0], p2[1])) {
      return true;
    }

    p2 = p;
  }
}
/**
 * Return `true` if the given two lines (line `a` and line `b`)
 * are intersect.
 * Note that we do not count colinear as intersect here because no
 * requirement for that. We could do that if required in future.
 */

export function lineLineIntersect(a1x, a1y, a2x, a2y, b1x, b1y, b2x, b2y) {
  // let `vec_m` to be `vec_a2 - vec_a1` and `vec_n` to be `vec_b2 - vec_b1`.
  var mx = a2x - a1x;
  var my = a2y - a1y;
  var nx = b2x - b1x;
  var ny = b2y - b1y; // `vec_m` and `vec_n` are parallel iff
  //     exising `k` such that `vec_m = k · vec_n`, equivalent to `vec_m X vec_n = 0`.

  var nmCrossProduct = crossProduct2d(nx, ny, mx, my);

  if (nearZero(nmCrossProduct)) {
    return false;
  } // `vec_m` and `vec_n` are intersect iff
  //     existing `p` and `q` in [0, 1] such that `vec_a1 + p * vec_m = vec_b1 + q * vec_n`,
  //     such that `q = ((vec_a1 - vec_b1) X vec_m) / (vec_n X vec_m)`
  //           and `p = ((vec_a1 - vec_b1) X vec_n) / (vec_n X vec_m)`.


  var b1a1x = a1x - b1x;
  var b1a1y = a1y - b1y;
  var q = crossProduct2d(b1a1x, b1a1y, mx, my) / nmCrossProduct;

  if (q < 0 || q > 1) {
    return false;
  }

  var p = crossProduct2d(b1a1x, b1a1y, nx, ny) / nmCrossProduct;

  if (p < 0 || p > 1) {
    return false;
  }

  return true;
}
/**
 * Cross product of 2-dimension vector.
 */

function crossProduct2d(x1, y1, x2, y2) {
  return x1 * y2 - x2 * y1;
}

function nearZero(val) {
  return val <= 1e-6 && val >= -1e-6;
}

export function setTooltipConfig(opt) {
  var itemTooltipOption = opt.itemTooltipOption;
  var componentModel = opt.componentModel;
  var itemName = opt.itemName;
  var itemTooltipOptionObj = isString(itemTooltipOption) ? {
    formatter: itemTooltipOption
  } : itemTooltipOption;
  var mainType = componentModel.mainType;
  var componentIndex = componentModel.componentIndex;
  var formatterParams = {
    componentType: mainType,
    name: itemName,
    $vars: ['name']
  };
  formatterParams[mainType + 'Index'] = componentIndex;
  var formatterParamsExtra = opt.formatterParamsExtra;

  if (formatterParamsExtra) {
    each(keys(formatterParamsExtra), function (key) {
      if (!hasOwn(formatterParams, key)) {
        formatterParams[key] = formatterParamsExtra[key];
        formatterParams.$vars.push(key);
      }
    });
  }

  var ecData = getECData(opt.el);
  ecData.componentMainType = mainType;
  ecData.componentIndex = componentIndex;
  ecData.tooltipConfig = {
    name: itemName,
    option: defaults({
      content: itemName,
      formatterParams: formatterParams
    }, itemTooltipOptionObj)
  };
}

function traverseElement(el, cb) {
  var stopped; // TODO
  // Polyfill for fixing zrender group traverse don't visit it's root issue.

  if (el.isGroup) {
    stopped = cb(el);
  }

  if (!stopped) {
    el.traverse(cb);
  }
}

export function traverseElements(els, cb) {
  if (els) {
    if (isArray(els)) {
      for (var i = 0; i < els.length; i++) {
        traverseElement(els[i], cb);
      }
    } else {
      traverseElement(els, cb);
    }
  }
} // Register built-in shapes. These shapes might be overwirtten
// by users, although we do not recommend that.

registerShape('circle', Circle);
registerShape('ellipse', Ellipse);
registerShape('sector', Sector);
registerShape('ring', Ring);
registerShape('polygon', Polygon);
registerShape('polyline', Polyline);
registerShape('rect', Rect);
registerShape('line', Line);
registerShape('bezierCurve', BezierCurve);
registerShape('arc', Arc);
export { Group, ZRImage as Image, ZRText as Text, Circle, Ellipse, Sector, Ring, Polygon, Polyline, Rect, Line, BezierCurve, Arc, IncrementalDisplayable, CompoundPath, LinearGradient, RadialGradient, BoundingRect, OrientedBoundingRect, Point, Path };