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31 KiB
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1 line
31 KiB
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{"ast":null,"code":"import \"core-js/modules/es.array.sort.js\";\n\n/*\r\n* Licensed to the Apache Software Foundation (ASF) under one\r\n* or more contributor license agreements. See the NOTICE file\r\n* distributed with this work for additional information\r\n* regarding copyright ownership. The ASF licenses this file\r\n* to you under the Apache License, Version 2.0 (the\r\n* \"License\"); you may not use this file except in compliance\r\n* with the License. You may obtain a copy of the License at\r\n*\r\n* http://www.apache.org/licenses/LICENSE-2.0\r\n*\r\n* Unless required by applicable law or agreed to in writing,\r\n* software distributed under the License is distributed on an\r\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\n* KIND, either express or implied. See the License for the\r\n* specific language governing permissions and limitations\r\n* under the License.\r\n*/\n\n/**\r\n * AUTO-GENERATED FILE. DO NOT MODIFY.\r\n */\n\n/*\r\n* Licensed to the Apache Software Foundation (ASF) under one\r\n* or more contributor license agreements. See the NOTICE file\r\n* distributed with this work for additional information\r\n* regarding copyright ownership. The ASF licenses this file\r\n* to you under the Apache License, Version 2.0 (the\r\n* \"License\"); you may not use this file except in compliance\r\n* with the License. You may obtain a copy of the License at\r\n*\r\n* http://www.apache.org/licenses/LICENSE-2.0\r\n*\r\n* Unless required by applicable law or agreed to in writing,\r\n* software distributed under the License is distributed on an\r\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\n* KIND, either express or implied. See the License for the\r\n* specific language governing permissions and limitations\r\n* under the License.\r\n*/\nimport { BoundingRect, OrientedBoundingRect } from '../util/graphic.js';\nexport function prepareLayoutList(input) {\n var list = [];\n\n for (var i = 0; i < input.length; i++) {\n var rawItem = input[i];\n\n if (rawItem.defaultAttr.ignore) {\n continue;\n }\n\n var label = rawItem.label;\n var transform = label.getComputedTransform(); // NOTE: Get bounding rect after getComputedTransform, or label may not been updated by the host el.\n\n var localRect = label.getBoundingRect();\n var isAxisAligned = !transform || transform[1] < 1e-5 && transform[2] < 1e-5;\n var minMargin = label.style.margin || 0;\n var globalRect = localRect.clone();\n globalRect.applyTransform(transform);\n globalRect.x -= minMargin / 2;\n globalRect.y -= minMargin / 2;\n globalRect.width += minMargin;\n globalRect.height += minMargin;\n var obb = isAxisAligned ? new OrientedBoundingRect(localRect, transform) : null;\n list.push({\n label: label,\n labelLine: rawItem.labelLine,\n rect: globalRect,\n localRect: localRect,\n obb: obb,\n priority: rawItem.priority,\n defaultAttr: rawItem.defaultAttr,\n layoutOption: rawItem.computedLayoutOption,\n axisAligned: isAxisAligned,\n transform: transform\n });\n }\n\n return list;\n}\n\nfunction shiftLayout(list, xyDim, sizeDim, minBound, maxBound, balanceShift) {\n var len = list.length;\n\n if (len < 2) {\n return;\n }\n\n list.sort(function (a, b) {\n return a.rect[xyDim] - b.rect[xyDim];\n });\n var lastPos = 0;\n var delta;\n var adjusted = false;\n var shifts = [];\n var totalShifts = 0;\n\n for (var i = 0; i < len; i++) {\n var item = list[i];\n var rect = item.rect;\n delta = rect[xyDim] - lastPos;\n\n if (delta < 0) {\n // shiftForward(i, len, -delta);\n rect[xyDim] -= delta;\n item.label[xyDim] -= delta;\n adjusted = true;\n }\n\n var shift = Math.max(-delta, 0);\n shifts.push(shift);\n totalShifts += shift;\n lastPos = rect[xyDim] + rect[sizeDim];\n }\n\n if (totalShifts > 0 && balanceShift) {\n // Shift back to make the distribution more equally.\n shiftList(-totalShifts / len, 0, len);\n } // TODO bleedMargin?\n\n\n var first = list[0];\n var last = list[len - 1];\n var minGap;\n var maxGap;\n updateMinMaxGap(); // If ends exceed two bounds, squeeze at most 80%, then take the gap of two bounds.\n\n minGap < 0 && squeezeGaps(-minGap, 0.8);\n maxGap < 0 && squeezeGaps(maxGap, 0.8);\n updateMinMaxGap();\n takeBoundsGap(minGap, maxGap, 1);\n takeBoundsGap(maxGap, minGap, -1); // Handle bailout when there is not enough space.\n\n updateMinMaxGap();\n\n if (minGap < 0) {\n squeezeWhenBailout(-minGap);\n }\n\n if (maxGap < 0) {\n squeezeWhenBailout(maxGap);\n }\n\n function updateMinMaxGap() {\n minGap = first.rect[xyDim] - minBound;\n maxGap = maxBound - last.rect[xyDim] - last.rect[sizeDim];\n }\n\n function takeBoundsGap(gapThisBound, gapOtherBound, moveDir) {\n if (gapThisBound < 0) {\n // Move from other gap if can.\n var moveFromMaxGap = Math.min(gapOtherBound, -gapThisBound);\n\n if (moveFromMaxGap > 0) {\n shiftList(moveFromMaxGap * moveDir, 0, len);\n var remained = moveFromMaxGap + gapThisBound;\n\n if (remained < 0) {\n squeezeGaps(-remained * moveDir, 1);\n }\n } else {\n squeezeGaps(-gapThisBound * moveDir, 1);\n }\n }\n }\n\n function shiftList(delta, start, end) {\n if (delta !== 0) {\n adjusted = true;\n }\n\n for (var i = start; i < end; i++) {\n var item = list[i];\n var rect = item.rect;\n rect[xyDim] += delta;\n item.label[xyDim] += delta;\n }\n } // Squeeze gaps if the labels exceed margin.\n\n\n function squeezeGaps(delta, maxSqeezePercent) {\n var gaps = [];\n var totalGaps = 0;\n\n for (var i = 1; i < len; i++) {\n var prevItemRect = list[i - 1].rect;\n var gap = Math.max(list[i].rect[xyDim] - prevItemRect[xyDim] - prevItemRect[sizeDim], 0);\n gaps.push(gap);\n totalGaps += gap;\n }\n\n if (!totalGaps) {\n return;\n }\n\n var squeezePercent = Math.min(Math.abs(delta) / totalGaps, maxSqeezePercent);\n\n if (delta > 0) {\n for (var i = 0; i < len - 1; i++) {\n // Distribute the shift delta to all gaps.\n var movement = gaps[i] * squeezePercent; // Forward\n\n shiftList(movement, 0, i + 1);\n }\n } else {\n // Backward\n for (var i = len - 1; i > 0; i--) {\n // Distribute the shift delta to all gaps.\n var movement = gaps[i - 1] * squeezePercent;\n shiftList(-movement, i, len);\n }\n }\n }\n /**\r\n * Squeeze to allow overlap if there is no more space available.\r\n * Let other overlapping strategy like hideOverlap do the job instead of keep exceeding the bounds.\r\n */\n\n\n function squeezeWhenBailout(delta) {\n var dir = delta < 0 ? -1 : 1;\n delta = Math.abs(delta);\n var moveForEachLabel = Math.ceil(delta / (len - 1));\n\n for (var i = 0; i < len - 1; i++) {\n if (dir > 0) {\n // Forward\n shiftList(moveForEachLabel, 0, i + 1);\n } else {\n // Backward\n shiftList(-moveForEachLabel, len - i - 1, len);\n }\n\n delta -= moveForEachLabel;\n\n if (delta <= 0) {\n return;\n }\n }\n }\n\n return adjusted;\n}\n/**\r\n * Adjust labels on x direction to avoid overlap.\r\n */\n\n\nexport function shiftLayoutOnX(list, leftBound, rightBound, // If average the shifts on all labels and add them to 0\n// TODO: Not sure if should enable it.\n// Pros: The angle of lines will distribute more equally\n// Cons: In some layout. It may not what user wanted. like in pie. the label of last sector is usually changed unexpectedly.\nbalanceShift) {\n return shiftLayout(list, 'x', 'width', leftBound, rightBound, balanceShift);\n}\n/**\r\n * Adjust labels on y direction to avoid overlap.\r\n */\n\nexport function shiftLayoutOnY(list, topBound, bottomBound, // If average the shifts on all labels and add them to 0\nbalanceShift) {\n return shiftLayout(list, 'y', 'height', topBound, bottomBound, balanceShift);\n}\nexport function hideOverlap(labelList) {\n var displayedLabels = []; // TODO, render overflow visible first, put in the displayedLabels.\n\n labelList.sort(function (a, b) {\n return b.priority - a.priority;\n });\n var globalRect = new BoundingRect(0, 0, 0, 0);\n\n function hideEl(el) {\n if (!el.ignore) {\n // Show on emphasis.\n var emphasisState = el.ensureState('emphasis');\n\n if (emphasisState.ignore == null) {\n emphasisState.ignore = false;\n }\n }\n\n el.ignore = true;\n }\n\n for (var i = 0; i < labelList.length; i++) {\n var labelItem = labelList[i];\n var isAxisAligned = labelItem.axisAligned;\n var localRect = labelItem.localRect;\n var transform = labelItem.transform;\n var label = labelItem.label;\n var labelLine = labelItem.labelLine;\n globalRect.copy(labelItem.rect); // Add a threshold because layout may be aligned precisely.\n\n globalRect.width -= 0.1;\n globalRect.height -= 0.1;\n globalRect.x += 0.05;\n globalRect.y += 0.05;\n var obb = labelItem.obb;\n var overlapped = false;\n\n for (var j = 0; j < displayedLabels.length; j++) {\n var existsTextCfg = displayedLabels[j]; // Fast rejection.\n\n if (!globalRect.intersect(existsTextCfg.rect)) {\n continue;\n }\n\n if (isAxisAligned && existsTextCfg.axisAligned) {\n // Is overlapped\n overlapped = true;\n break;\n }\n\n if (!existsTextCfg.obb) {\n // If self is not axis aligned. 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Licensed to the Apache Software Foundation (ASF) under one\r\n* or more contributor license agreements. See the NOTICE file\r\n* distributed with this work for additional information\r\n* regarding copyright ownership. The ASF licenses this file\r\n* to you under the Apache License, Version 2.0 (the\r\n* \"License\"); you may not use this file except in compliance\r\n* with the License. You may obtain a copy of the License at\r\n*\r\n* http://www.apache.org/licenses/LICENSE-2.0\r\n*\r\n* Unless required by applicable law or agreed to in writing,\r\n* software distributed under the License is distributed on an\r\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\n* KIND, either express or implied. See the License for the\r\n* specific language governing permissions and limitations\r\n* under the License.\r\n*/\r\n\r\n\r\n/**\r\n * AUTO-GENERATED FILE. DO NOT MODIFY.\r\n */\r\n\r\n/*\r\n* Licensed to the Apache Software Foundation (ASF) under one\r\n* or more contributor license agreements. See the NOTICE file\r\n* distributed with this work for additional information\r\n* regarding copyright ownership. The ASF licenses this file\r\n* to you under the Apache License, Version 2.0 (the\r\n* \"License\"); you may not use this file except in compliance\r\n* with the License. You may obtain a copy of the License at\r\n*\r\n* http://www.apache.org/licenses/LICENSE-2.0\r\n*\r\n* Unless required by applicable law or agreed to in writing,\r\n* software distributed under the License is distributed on an\r\n* \"AS IS\" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY\r\n* KIND, either express or implied. See the License for the\r\n* specific language governing permissions and limitations\r\n* under the License.\r\n*/\r\nimport { BoundingRect, OrientedBoundingRect } from '../util/graphic.js';\r\nexport function prepareLayoutList(input) {\r\n var list = [];\r\n\r\n for (var i = 0; i < input.length; i++) {\r\n var rawItem = input[i];\r\n\r\n if (rawItem.defaultAttr.ignore) {\r\n continue;\r\n }\r\n\r\n var label = rawItem.label;\r\n var transform = label.getComputedTransform(); // NOTE: Get bounding rect after getComputedTransform, or label may not been updated by the host el.\r\n\r\n var localRect = label.getBoundingRect();\r\n var isAxisAligned = !transform || transform[1] < 1e-5 && transform[2] < 1e-5;\r\n var minMargin = label.style.margin || 0;\r\n var globalRect = localRect.clone();\r\n globalRect.applyTransform(transform);\r\n globalRect.x -= minMargin / 2;\r\n globalRect.y -= minMargin / 2;\r\n globalRect.width += minMargin;\r\n globalRect.height += minMargin;\r\n var obb = isAxisAligned ? new OrientedBoundingRect(localRect, transform) : null;\r\n list.push({\r\n label: label,\r\n labelLine: rawItem.labelLine,\r\n rect: globalRect,\r\n localRect: localRect,\r\n obb: obb,\r\n priority: rawItem.priority,\r\n defaultAttr: rawItem.defaultAttr,\r\n layoutOption: rawItem.computedLayoutOption,\r\n axisAligned: isAxisAligned,\r\n transform: transform\r\n });\r\n }\r\n\r\n return list;\r\n}\r\n\r\nfunction shiftLayout(list, xyDim, sizeDim, minBound, maxBound, balanceShift) {\r\n var len = list.length;\r\n\r\n if (len < 2) {\r\n return;\r\n }\r\n\r\n list.sort(function (a, b) {\r\n return a.rect[xyDim] - b.rect[xyDim];\r\n });\r\n var lastPos = 0;\r\n var delta;\r\n var adjusted = false;\r\n var shifts = [];\r\n var totalShifts = 0;\r\n\r\n for (var i = 0; i < len; i++) {\r\n var item = list[i];\r\n var rect = item.rect;\r\n delta = rect[xyDim] - lastPos;\r\n\r\n if (delta < 0) {\r\n // shiftForward(i, len, -delta);\r\n rect[xyDim] -= delta;\r\n item.label[xyDim] -= delta;\r\n adjusted = true;\r\n }\r\n\r\n var shift = Math.max(-delta, 0);\r\n shifts.push(shift);\r\n totalShifts += shift;\r\n lastPos = rect[xyDim] + rect[sizeDim];\r\n }\r\n\r\n if (totalShifts > 0 && balanceShift) {\r\n // Shift back to make the distribution more equally.\r\n shiftList(-totalShifts / len, 0, len);\r\n } // TODO bleedMargin?\r\n\r\n\r\n var first = list[0];\r\n var last = list[len - 1];\r\n var minGap;\r\n var maxGap;\r\n updateMinMaxGap(); // If ends exceed two bounds, squeeze at most 80%, then take the gap of two bounds.\r\n\r\n minGap < 0 && squeezeGaps(-minGap, 0.8);\r\n maxGap < 0 && squeezeGaps(maxGap, 0.8);\r\n updateMinMaxGap();\r\n takeBoundsGap(minGap, maxGap, 1);\r\n takeBoundsGap(maxGap, minGap, -1); // Handle bailout when there is not enough space.\r\n\r\n updateMinMaxGap();\r\n\r\n if (minGap < 0) {\r\n squeezeWhenBailout(-minGap);\r\n }\r\n\r\n if (maxGap < 0) {\r\n squeezeWhenBailout(maxGap);\r\n }\r\n\r\n function updateMinMaxGap() {\r\n minGap = first.rect[xyDim] - minBound;\r\n maxGap = maxBound - last.rect[xyDim] - last.rect[sizeDim];\r\n }\r\n\r\n function takeBoundsGap(gapThisBound, gapOtherBound, moveDir) {\r\n if (gapThisBound < 0) {\r\n // Move from other gap if can.\r\n var moveFromMaxGap = Math.min(gapOtherBound, -gapThisBound);\r\n\r\n if (moveFromMaxGap > 0) {\r\n shiftList(moveFromMaxGap * moveDir, 0, len);\r\n var remained = moveFromMaxGap + gapThisBound;\r\n\r\n if (remained < 0) {\r\n squeezeGaps(-remained * moveDir, 1);\r\n }\r\n } else {\r\n squeezeGaps(-gapThisBound * moveDir, 1);\r\n }\r\n }\r\n }\r\n\r\n function shiftList(delta, start, end) {\r\n if (delta !== 0) {\r\n adjusted = true;\r\n }\r\n\r\n for (var i = start; i < end; i++) {\r\n var item = list[i];\r\n var rect = item.rect;\r\n rect[xyDim] += delta;\r\n item.label[xyDim] += delta;\r\n }\r\n } // Squeeze gaps if the labels exceed margin.\r\n\r\n\r\n function squeezeGaps(delta, maxSqeezePercent) {\r\n var gaps = [];\r\n var totalGaps = 0;\r\n\r\n for (var i = 1; i < len; i++) {\r\n var prevItemRect = list[i - 1].rect;\r\n var gap = Math.max(list[i].rect[xyDim] - prevItemRect[xyDim] - prevItemRect[sizeDim], 0);\r\n gaps.push(gap);\r\n totalGaps += gap;\r\n }\r\n\r\n if (!totalGaps) {\r\n return;\r\n }\r\n\r\n var squeezePercent = Math.min(Math.abs(delta) / totalGaps, maxSqeezePercent);\r\n\r\n if (delta > 0) {\r\n for (var i = 0; i < len - 1; i++) {\r\n // Distribute the shift delta to all gaps.\r\n var movement = gaps[i] * squeezePercent; // Forward\r\n\r\n shiftList(movement, 0, i + 1);\r\n }\r\n } else {\r\n // Backward\r\n for (var i = len - 1; i > 0; i--) {\r\n // Distribute the shift delta to all gaps.\r\n var movement = gaps[i - 1] * squeezePercent;\r\n shiftList(-movement, i, len);\r\n }\r\n }\r\n }\r\n /**\r\n * Squeeze to allow overlap if there is no more space available.\r\n * Let other overlapping strategy like hideOverlap do the job instead of keep exceeding the bounds.\r\n */\r\n\r\n\r\n function squeezeWhenBailout(delta) {\r\n var dir = delta < 0 ? -1 : 1;\r\n delta = Math.abs(delta);\r\n var moveForEachLabel = Math.ceil(delta / (len - 1));\r\n\r\n for (var i = 0; i < len - 1; i++) {\r\n if (dir > 0) {\r\n // Forward\r\n shiftList(moveForEachLabel, 0, i + 1);\r\n } else {\r\n // Backward\r\n shiftList(-moveForEachLabel, len - i - 1, len);\r\n }\r\n\r\n delta -= moveForEachLabel;\r\n\r\n if (delta <= 0) {\r\n return;\r\n }\r\n }\r\n }\r\n\r\n return adjusted;\r\n}\r\n/**\r\n * Adjust labels on x direction to avoid overlap.\r\n */\r\n\r\n\r\nexport function shiftLayoutOnX(list, leftBound, rightBound, // If average the shifts on all labels and add them to 0\r\n// TODO: Not sure if should enable it.\r\n// Pros: The angle of lines will distribute more equally\r\n// Cons: In some layout. It may not what user wanted. like in pie. the label of last sector is usually changed unexpectedly.\r\nbalanceShift) {\r\n return shiftLayout(list, 'x', 'width', leftBound, rightBound, balanceShift);\r\n}\r\n/**\r\n * Adjust labels on y direction to avoid overlap.\r\n */\r\n\r\nexport function shiftLayoutOnY(list, topBound, bottomBound, // If average the shifts on all labels and add them to 0\r\nbalanceShift) {\r\n return shiftLayout(list, 'y', 'height', topBound, bottomBound, balanceShift);\r\n}\r\nexport function hideOverlap(labelList) {\r\n var displayedLabels = []; // TODO, render overflow visible first, put in the displayedLabels.\r\n\r\n labelList.sort(function (a, b) {\r\n return b.priority - a.priority;\r\n });\r\n var globalRect = new BoundingRect(0, 0, 0, 0);\r\n\r\n function hideEl(el) {\r\n if (!el.ignore) {\r\n // Show on emphasis.\r\n var emphasisState = el.ensureState('emphasis');\r\n\r\n if (emphasisState.ignore == null) {\r\n emphasisState.ignore = false;\r\n }\r\n }\r\n\r\n el.ignore = true;\r\n }\r\n\r\n for (var i = 0; i < labelList.length; i++) {\r\n var labelItem = labelList[i];\r\n var isAxisAligned = labelItem.axisAligned;\r\n var localRect = labelItem.localRect;\r\n var transform = labelItem.transform;\r\n var label = labelItem.label;\r\n var labelLine = labelItem.labelLine;\r\n globalRect.copy(labelItem.rect); // Add a threshold because layout may be aligned precisely.\r\n\r\n globalRect.width -= 0.1;\r\n globalRect.height -= 0.1;\r\n globalRect.x += 0.05;\r\n globalRect.y += 0.05;\r\n var obb = labelItem.obb;\r\n var overlapped = false;\r\n\r\n for (var j = 0; j < displayedLabels.length; j++) {\r\n var existsTextCfg = displayedLabels[j]; // Fast rejection.\r\n\r\n if (!globalRect.intersect(existsTextCfg.rect)) {\r\n continue;\r\n }\r\n\r\n if (isAxisAligned && existsTextCfg.axisAligned) {\r\n // Is overlapped\r\n overlapped = true;\r\n break;\r\n }\r\n\r\n if (!existsTextCfg.obb) {\r\n // If self is not axis aligned. But other is.\r\n existsTextCfg.obb = new OrientedBoundingRect(existsTextCfg.localRect, existsTextCfg.transform);\r\n }\r\n\r\n if (!obb) {\r\n // If self is axis aligned. But other is not.\r\n obb = new OrientedBoundingRect(localRect, transform);\r\n }\r\n\r\n if (obb.intersect(existsTextCfg.obb)) {\r\n overlapped = true;\r\n break;\r\n }\r\n } // TODO Callback to determine if this overlap should be handled?\r\n\r\n\r\n if (overlapped) {\r\n hideEl(label);\r\n labelLine && hideEl(labelLine);\r\n } else {\r\n label.attr('ignore', labelItem.defaultAttr.ignore);\r\n labelLine && labelLine.attr('ignore', labelItem.defaultAttr.labelGuideIgnore);\r\n displayedLabels.push(labelItem);\r\n }\r\n }\r\n}"]},"metadata":{},"sourceType":"module"} |