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20 KiB
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20 KiB
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{"ast":null,"code":"/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements. See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership. The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License. You may obtain a copy of the License at\n*\n* http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied. See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements. See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership. The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License. You may obtain a copy of the License at\n*\n* http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied. See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util.js';\nimport Scale from './Scale.js';\nimport * as numberUtil from '../util/number.js';\nimport * as scaleHelper from './helper.js'; // Use some method of IntervalScale\n\nimport IntervalScale from './Interval.js';\nvar scaleProto = Scale.prototype; // FIXME:TS refactor: not good to call it directly with `this`?\n\nvar intervalScaleProto = IntervalScale.prototype;\nvar roundingErrorFix = numberUtil.round;\nvar mathFloor = Math.floor;\nvar mathCeil = Math.ceil;\nvar mathPow = Math.pow;\nvar mathLog = Math.log;\n\nvar LogScale =\n/** @class */\nfunction (_super) {\n __extends(LogScale, _super);\n\n function LogScale() {\n var _this = _super !== null && _super.apply(this, arguments) || this;\n\n _this.type = 'log';\n _this.base = 10;\n _this._originalScale = new IntervalScale(); // FIXME:TS actually used by `IntervalScale`\n\n _this._interval = 0;\n return _this;\n }\n /**\n * @param Whether expand the ticks to niced extent.\n */\n\n\n LogScale.prototype.getTicks = function (expandToNicedExtent) {\n var originalScale = this._originalScale;\n var extent = this._extent;\n var originalExtent = originalScale.getExtent();\n var ticks = intervalScaleProto.getTicks.call(this, expandToNicedExtent);\n return zrUtil.map(ticks, function (tick) {\n var val = tick.value;\n var powVal = numberUtil.round(mathPow(this.base, val)); // Fix #4158\n\n powVal = val === extent[0] && this._fixMin ? fixRoundingError(powVal, originalExtent[0]) : powVal;\n powVal = val === extent[1] && this._fixMax ? fixRoundingError(powVal, originalExtent[1]) : powVal;\n return {\n value: powVal\n };\n }, this);\n };\n\n LogScale.prototype.setExtent = function (start, end) {\n var base = mathLog(this.base); // log(-Infinity) is NaN, so safe guard here\n\n start = mathLog(Math.max(0, start)) / base;\n end = mathLog(Math.max(0, end)) / base;\n intervalScaleProto.setExtent.call(this, start, end);\n };\n /**\n * @return {number} end\n */\n\n\n LogScale.prototype.getExtent = function () {\n var base = this.base;\n var extent = scaleProto.getExtent.call(this);\n extent[0] = mathPow(base, extent[0]);\n extent[1] = mathPow(base, extent[1]); // Fix #4158\n\n var originalScale = this._originalScale;\n var originalExtent = originalScale.getExtent();\n this._fixMin && (extent[0] = fixRoundingError(extent[0], originalExtent[0]));\n this._fixMax && (extent[1] = fixRoundingError(extent[1], originalExtent[1]));\n return extent;\n };\n\n LogScale.prototype.unionExtent = function (extent) {\n this._originalScale.unionExtent(extent);\n\n var base = this.base;\n extent[0] = mathLog(extent[0]) / mathLog(base);\n extent[1] = mathLog(extent[1]) / mathLog(base);\n scaleProto.unionExtent.call(this, extent);\n };\n\n LogScale.prototype.unionExtentFromData = function (data, dim) {\n // TODO\n // filter value that <= 0\n this.unionExtent(data.getApproximateExtent(dim));\n };\n /**\n * Update interval and extent of intervals for nice ticks\n * @param approxTickNum default 10 Given approx tick number\n */\n\n\n LogScale.prototype.calcNiceTicks = function (approxTickNum) {\n approxTickNum = approxTickNum || 10;\n var extent = this._extent;\n var span = extent[1] - extent[0];\n\n if (span === Infinity || span <= 0) {\n return;\n }\n\n var interval = numberUtil.quantity(span);\n var err = approxTickNum / span * interval; // Filter ticks to get closer to the desired count.\n\n if (err <= 0.5) {\n interval *= 10;\n } // Interval should be integer\n\n\n while (!isNaN(interval) && Math.abs(interval) < 1 && Math.abs(interval) > 0) {\n interval *= 10;\n }\n\n var niceExtent = [numberUtil.round(mathCeil(extent[0] / interval) * interval), numberUtil.round(mathFloor(extent[1] / interval) * interval)];\n this._interval = interval;\n this._niceExtent = niceExtent;\n };\n\n LogScale.prototype.calcNiceExtent = function (opt) {\n intervalScaleProto.calcNiceExtent.call(this, opt);\n this._fixMin = opt.fixMin;\n this._fixMax = opt.fixMax;\n };\n\n LogScale.prototype.parse = function (val) {\n return val;\n };\n\n LogScale.prototype.contain = function (val) {\n val = mathLog(val) / mathLog(this.base);\n return scaleHelper.contain(val, this._extent);\n };\n\n LogScale.prototype.normalize = function (val) {\n val = mathLog(val) / mathLog(this.base);\n return scaleHelper.normalize(val, this._extent);\n };\n\n LogScale.prototype.scale = function (val) {\n val = scaleHelper.scale(val, this._extent);\n return mathPow(this.base, val);\n };\n\n LogScale.type = 'log';\n return LogScale;\n}(Scale);\n\nvar proto = LogScale.prototype;\nproto.getMinorTicks = intervalScaleProto.getMinorTicks;\nproto.getLabel = intervalScaleProto.getLabel;\n\nfunction fixRoundingError(val, originalVal) {\n return roundingErrorFix(val, numberUtil.getPrecision(originalVal));\n}\n\nScale.registerClass(LogScale);\nexport default 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Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements. See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership. The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License. You may obtain a copy of the License at\n*\n* http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied. See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\n\n\n/**\n * AUTO-GENERATED FILE. DO NOT MODIFY.\n */\n\n/*\n* Licensed to the Apache Software Foundation (ASF) under one\n* or more contributor license agreements. See the NOTICE file\n* distributed with this work for additional information\n* regarding copyright ownership. The ASF licenses this file\n* to you under the Apache License, Version 2.0 (the\n* \"License\"); you may not use this file except in compliance\n* with the License. You may obtain a copy of the License at\n*\n* http://www.apache.org/licenses/LICENSE-2.0\n*\n* Unless required by applicable law or agreed to in writing,\n* software distributed under the License is distributed on an\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\n* KIND, either express or implied. See the License for the\n* specific language governing permissions and limitations\n* under the License.\n*/\nimport { __extends } from \"tslib\";\nimport * as zrUtil from 'zrender/lib/core/util.js';\nimport Scale from './Scale.js';\nimport * as numberUtil from '../util/number.js';\nimport * as scaleHelper from './helper.js'; // Use some method of IntervalScale\n\nimport IntervalScale from './Interval.js';\nvar scaleProto = Scale.prototype; // FIXME:TS refactor: not good to call it directly with `this`?\n\nvar intervalScaleProto = IntervalScale.prototype;\nvar roundingErrorFix = numberUtil.round;\nvar mathFloor = Math.floor;\nvar mathCeil = Math.ceil;\nvar mathPow = Math.pow;\nvar mathLog = Math.log;\n\nvar LogScale =\n/** @class */\nfunction (_super) {\n __extends(LogScale, _super);\n\n function LogScale() {\n var _this = _super !== null && _super.apply(this, arguments) || this;\n\n _this.type = 'log';\n _this.base = 10;\n _this._originalScale = new IntervalScale(); // FIXME:TS actually used by `IntervalScale`\n\n _this._interval = 0;\n return _this;\n }\n /**\n * @param Whether expand the ticks to niced extent.\n */\n\n\n LogScale.prototype.getTicks = function (expandToNicedExtent) {\n var originalScale = this._originalScale;\n var extent = this._extent;\n var originalExtent = originalScale.getExtent();\n var ticks = intervalScaleProto.getTicks.call(this, expandToNicedExtent);\n return zrUtil.map(ticks, function (tick) {\n var val = tick.value;\n var powVal = numberUtil.round(mathPow(this.base, val)); // Fix #4158\n\n powVal = val === extent[0] && this._fixMin ? fixRoundingError(powVal, originalExtent[0]) : powVal;\n powVal = val === extent[1] && this._fixMax ? fixRoundingError(powVal, originalExtent[1]) : powVal;\n return {\n value: powVal\n };\n }, this);\n };\n\n LogScale.prototype.setExtent = function (start, end) {\n var base = mathLog(this.base); // log(-Infinity) is NaN, so safe guard here\n\n start = mathLog(Math.max(0, start)) / base;\n end = mathLog(Math.max(0, end)) / base;\n intervalScaleProto.setExtent.call(this, start, end);\n };\n /**\n * @return {number} end\n */\n\n\n LogScale.prototype.getExtent = function () {\n var base = this.base;\n var extent = scaleProto.getExtent.call(this);\n extent[0] = mathPow(base, extent[0]);\n extent[1] = mathPow(base, extent[1]); // Fix #4158\n\n var originalScale = this._originalScale;\n var originalExtent = originalScale.getExtent();\n this._fixMin && (extent[0] = fixRoundingError(extent[0], originalExtent[0]));\n this._fixMax && (extent[1] = fixRoundingError(extent[1], originalExtent[1]));\n return extent;\n };\n\n LogScale.prototype.unionExtent = function (extent) {\n this._originalScale.unionExtent(extent);\n\n var base = this.base;\n extent[0] = mathLog(extent[0]) / mathLog(base);\n extent[1] = mathLog(extent[1]) / mathLog(base);\n scaleProto.unionExtent.call(this, extent);\n };\n\n LogScale.prototype.unionExtentFromData = function (data, dim) {\n // TODO\n // filter value that <= 0\n this.unionExtent(data.getApproximateExtent(dim));\n };\n /**\n * Update interval and extent of intervals for nice ticks\n * @param approxTickNum default 10 Given approx tick number\n */\n\n\n LogScale.prototype.calcNiceTicks = function (approxTickNum) {\n approxTickNum = approxTickNum || 10;\n var extent = this._extent;\n var span = extent[1] - extent[0];\n\n if (span === Infinity || span <= 0) {\n return;\n }\n\n var interval = numberUtil.quantity(span);\n var err = approxTickNum / span * interval; // Filter ticks to get closer to the desired count.\n\n if (err <= 0.5) {\n interval *= 10;\n } // Interval should be integer\n\n\n while (!isNaN(interval) && Math.abs(interval) < 1 && Math.abs(interval) > 0) {\n interval *= 10;\n }\n\n var niceExtent = [numberUtil.round(mathCeil(extent[0] / interval) * interval), numberUtil.round(mathFloor(extent[1] / interval) * interval)];\n this._interval = interval;\n this._niceExtent = niceExtent;\n };\n\n LogScale.prototype.calcNiceExtent = function (opt) {\n intervalScaleProto.calcNiceExtent.call(this, opt);\n this._fixMin = opt.fixMin;\n this._fixMax = opt.fixMax;\n };\n\n LogScale.prototype.parse = function (val) {\n return val;\n };\n\n LogScale.prototype.contain = function (val) {\n val = mathLog(val) / mathLog(this.base);\n return scaleHelper.contain(val, this._extent);\n };\n\n LogScale.prototype.normalize = function (val) {\n val = mathLog(val) / mathLog(this.base);\n return scaleHelper.normalize(val, this._extent);\n };\n\n LogScale.prototype.scale = function (val) {\n val = scaleHelper.scale(val, this._extent);\n return mathPow(this.base, val);\n };\n\n LogScale.type = 'log';\n return LogScale;\n}(Scale);\n\nvar proto = LogScale.prototype;\nproto.getMinorTicks = intervalScaleProto.getMinorTicks;\nproto.getLabel = intervalScaleProto.getLabel;\n\nfunction fixRoundingError(val, originalVal) {\n return roundingErrorFix(val, numberUtil.getPrecision(originalVal));\n}\n\nScale.registerClass(LogScale);\nexport default LogScale;"]},"metadata":{},"sourceType":"module"} |