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frontend/node_modules/echarts/lib/animation/morphTransitionHelper.js

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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 { separateMorph, combineMorph, morphPath, isCombineMorphing } from 'zrender/lib/tool/morphPath.js';
+import { Path } from '../util/graphic.js';
+import { defaults, isArray } from 'zrender/lib/core/util.js';
+import { getAnimationConfig } from './basicTransition.js';
+import { clonePath } from 'zrender/lib/tool/path.js';
+function isMultiple(elements) {
+  return isArray(elements[0]);
+}
+function prepareMorphBatches(one, many) {
+  var batches = [];
+  var batchCount = one.length;
+  for (var i = 0; i < batchCount; i++) {
+    batches.push({
+      one: one[i],
+      many: []
+    });
+  }
+  for (var i = 0; i < many.length; i++) {
+    var len = many[i].length;
+    var k = void 0;
+    for (k = 0; k < len; k++) {
+      batches[k % batchCount].many.push(many[i][k]);
+    }
+  }
+  var off = 0;
+  // If one has more paths than each one of many. average them.
+  for (var i = batchCount - 1; i >= 0; i--) {
+    if (!batches[i].many.length) {
+      var moveFrom = batches[off].many;
+      if (moveFrom.length <= 1) {
+        // Not enough
+        // Start from the first one.
+        if (off) {
+          off = 0;
+        } else {
+          return batches;
+        }
+      }
+      var len = moveFrom.length;
+      var mid = Math.ceil(len / 2);
+      batches[i].many = moveFrom.slice(mid, len);
+      batches[off].many = moveFrom.slice(0, mid);
+      off++;
+    }
+  }
+  return batches;
+}
+var pathDividers = {
+  clone: function (params) {
+    var ret = [];
+    // Fitting the alpha
+    var approxOpacity = 1 - Math.pow(1 - params.path.style.opacity, 1 / params.count);
+    for (var i = 0; i < params.count; i++) {
+      var cloned = clonePath(params.path);
+      cloned.setStyle('opacity', approxOpacity);
+      ret.push(cloned);
+    }
+    return ret;
+  },
+  // Use the default divider
+  split: null
+};
+export function applyMorphAnimation(from, to, divideShape, seriesModel, dataIndex, animateOtherProps) {
+  if (!from.length || !to.length) {
+    return;
+  }
+  var updateAnimationCfg = getAnimationConfig('update', seriesModel, dataIndex);
+  if (!(updateAnimationCfg && updateAnimationCfg.duration > 0)) {
+    return;
+  }
+  var animationDelay = seriesModel.getModel('universalTransition').get('delay');
+  var animationCfg = Object.assign({
+    // Need to setToFinal so the further calculation based on the style can be correct.
+    // Like emphasis color.
+    setToFinal: true
+  }, updateAnimationCfg);
+  var many;
+  var one;
+  if (isMultiple(from)) {
+    // manyToOne
+    many = from;
+    one = to;
+  }
+  if (isMultiple(to)) {
+    // oneToMany
+    many = to;
+    one = from;
+  }
+  function morphOneBatch(batch, fromIsMany, animateIndex, animateCount, forceManyOne) {
+    var batchMany = batch.many;
+    var batchOne = batch.one;
+    if (batchMany.length === 1 && !forceManyOne) {
+      // Is one to one
+      var batchFrom = fromIsMany ? batchMany[0] : batchOne;
+      var batchTo = fromIsMany ? batchOne : batchMany[0];
+      if (isCombineMorphing(batchFrom)) {
+        // Keep doing combine animation.
+        morphOneBatch({
+          many: [batchFrom],
+          one: batchTo
+        }, true, animateIndex, animateCount, true);
+      } else {
+        var individualAnimationCfg = animationDelay ? defaults({
+          delay: animationDelay(animateIndex, animateCount)
+        }, animationCfg) : animationCfg;
+        morphPath(batchFrom, batchTo, individualAnimationCfg);
+        animateOtherProps(batchFrom, batchTo, batchFrom, batchTo, individualAnimationCfg);
+      }
+    } else {
+      var separateAnimationCfg = defaults({
+        dividePath: pathDividers[divideShape],
+        individualDelay: animationDelay && function (idx, count, fromPath, toPath) {
+          return animationDelay(idx + animateIndex, animateCount);
+        }
+      }, animationCfg);
+      var _a = fromIsMany ? combineMorph(batchMany, batchOne, separateAnimationCfg) : separateMorph(batchOne, batchMany, separateAnimationCfg),
+        fromIndividuals = _a.fromIndividuals,
+        toIndividuals = _a.toIndividuals;
+      var count = fromIndividuals.length;
+      for (var k = 0; k < count; k++) {
+        var individualAnimationCfg = animationDelay ? defaults({
+          delay: animationDelay(k, count)
+        }, animationCfg) : animationCfg;
+        animateOtherProps(fromIndividuals[k], toIndividuals[k], fromIsMany ? batchMany[k] : batch.one, fromIsMany ? batch.one : batchMany[k], individualAnimationCfg);
+      }
+    }
+  }
+  var fromIsMany = many ? many === from
+  // Is one to one. If the path number not match. also needs do merge and separate morphing.
+  : from.length > to.length;
+  var morphBatches = many ? prepareMorphBatches(one, many) : prepareMorphBatches(fromIsMany ? to : from, [fromIsMany ? from : to]);
+  var animateCount = 0;
+  for (var i = 0; i < morphBatches.length; i++) {
+    animateCount += morphBatches[i].many.length;
+  }
+  var animateIndex = 0;
+  for (var i = 0; i < morphBatches.length; i++) {
+    morphOneBatch(morphBatches[i], fromIsMany, animateIndex, animateCount);
+    animateIndex += morphBatches[i].many.length;
+  }
+}
+export function getPathList(elements) {
+  if (!elements) {
+    return [];
+  }
+  if (isArray(elements)) {
+    var pathList_1 = [];
+    for (var i = 0; i < elements.length; i++) {
+      pathList_1.push(getPathList(elements[i]));
+    }
+    return pathList_1;
+  }
+  var pathList = [];
+  elements.traverse(function (el) {
+    if (el instanceof Path && !el.disableMorphing && !el.invisible && !el.ignore) {
+      pathList.push(el);
+    }
+  });
+  return pathList;
+}