1 line
55 KiB
JSON
1 line
55 KiB
JSON
{"ast":null,"code":"import \"core-js/modules/es.number.constructor.js\";\nimport \"core-js/modules/es.regexp.exec.js\";\nimport \"core-js/modules/es.string.match.js\";\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*/\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*/\n// FIXME emphasis label position is not same with normal label position\nimport { parsePercent } from '../../util/number.js';\nimport { Point } from '../../util/graphic.js';\nimport { each, isNumber } from 'zrender/lib/core/util.js';\nimport { limitTurnAngle, limitSurfaceAngle } from '../../label/labelGuideHelper.js';\nimport { shiftLayoutOnY } from '../../label/labelLayoutHelper.js';\nvar RADIAN = Math.PI / 180;\n\nfunction adjustSingleSide(list, cx, cy, r, dir, viewWidth, viewHeight, viewLeft, viewTop, farthestX) {\n if (list.length < 2) {\n return;\n }\n\n ;\n\n function recalculateXOnSemiToAlignOnEllipseCurve(semi) {\n var rB = semi.rB;\n var rB2 = rB * rB;\n\n for (var i = 0; i < semi.list.length; i++) {\n var item = semi.list[i];\n var dy = Math.abs(item.label.y - cy); // horizontal r is always same with original r because x is not changed.\n\n var rA = r + item.len;\n var rA2 = rA * rA; // Use ellipse implicit function to calculate x\n\n var dx = Math.sqrt((1 - Math.abs(dy * dy / rB2)) * rA2);\n var newX = cx + (dx + item.len2) * dir;\n var deltaX = newX - item.label.x;\n var newTargetWidth = item.targetTextWidth - deltaX * dir; // text x is changed, so need to recalculate width.\n\n constrainTextWidth(item, newTargetWidth, true);\n item.label.x = newX;\n }\n } // Adjust X based on the shifted y. Make tight labels aligned on an ellipse curve.\n\n\n function recalculateX(items) {\n // Extremes of\n var topSemi = {\n list: [],\n maxY: 0\n };\n var bottomSemi = {\n list: [],\n maxY: 0\n };\n\n for (var i = 0; i < items.length; i++) {\n if (items[i].labelAlignTo !== 'none') {\n continue;\n }\n\n var item = items[i];\n var semi = item.label.y > cy ? bottomSemi : topSemi;\n var dy = Math.abs(item.label.y - cy);\n\n if (dy >= semi.maxY) {\n var dx = item.label.x - cx - item.len2 * dir; // horizontal r is always same with original r because x is not changed.\n\n var rA = r + item.len; // Canculate rB based on the topest / bottemest label.\n\n var rB = Math.abs(dx) < rA ? Math.sqrt(dy * dy / (1 - dx * dx / rA / rA)) : rA;\n semi.rB = rB;\n semi.maxY = dy;\n }\n\n semi.list.push(item);\n }\n\n recalculateXOnSemiToAlignOnEllipseCurve(topSemi);\n recalculateXOnSemiToAlignOnEllipseCurve(bottomSemi);\n }\n\n var len = list.length;\n\n for (var i = 0; i < len; i++) {\n if (list[i].position === 'outer' && list[i].labelAlignTo === 'labelLine') {\n var dx = list[i].label.x - farthestX;\n list[i].linePoints[1][0] += dx;\n list[i].label.x = farthestX;\n }\n }\n\n if (shiftLayoutOnY(list, viewTop, viewTop + viewHeight)) {\n recalculateX(list);\n }\n}\n\nfunction avoidOverlap(labelLayoutList, cx, cy, r, viewWidth, viewHeight, viewLeft, viewTop) {\n var leftList = [];\n var rightList = [];\n var leftmostX = Number.MAX_VALUE;\n var rightmostX = -Number.MAX_VALUE;\n\n for (var i = 0; i < labelLayoutList.length; i++) {\n var label = labelLayoutList[i].label;\n\n if (isPositionCenter(labelLayoutList[i])) {\n continue;\n }\n\n if (label.x < cx) {\n leftmostX = Math.min(leftmostX, label.x);\n leftList.push(labelLayoutList[i]);\n } else {\n rightmostX = Math.max(rightmostX, label.x);\n rightList.push(labelLayoutList[i]);\n }\n }\n\n for (var i = 0; i < labelLayoutList.length; i++) {\n var layout = labelLayoutList[i];\n\n if (!isPositionCenter(layout) && layout.linePoints) {\n if (layout.labelStyleWidth != null) {\n continue;\n }\n\n var label = layout.label;\n var linePoints = layout.linePoints;\n var targetTextWidth = void 0;\n\n if (layout.labelAlignTo === 'edge') {\n if (label.x < cx) {\n targetTextWidth = linePoints[2][0] - layout.labelDistance - viewLeft - layout.edgeDistance;\n } else {\n targetTextWidth = viewLeft + viewWidth - layout.edgeDistance - linePoints[2][0] - layout.labelDistance;\n }\n } else if (layout.labelAlignTo === 'labelLine') {\n if (label.x < cx) {\n targetTextWidth = leftmostX - viewLeft - layout.bleedMargin;\n } else {\n targetTextWidth = viewLeft + viewWidth - rightmostX - layout.bleedMargin;\n }\n } else {\n if (label.x < cx) {\n targetTextWidth = label.x - viewLeft - layout.bleedMargin;\n } else {\n targetTextWidth = viewLeft + viewWidth - label.x - layout.bleedMargin;\n }\n }\n\n layout.targetTextWidth = targetTextWidth;\n constrainTextWidth(layout, targetTextWidth);\n }\n }\n\n adjustSingleSide(rightList, cx, cy, r, 1, viewWidth, viewHeight, viewLeft, viewTop, rightmostX);\n adjustSingleSide(leftList, cx, cy, r, -1, viewWidth, viewHeight, viewLeft, viewTop, leftmostX);\n\n for (var i = 0; i < labelLayoutList.length; i++) {\n var layout = labelLayoutList[i];\n\n if (!isPositionCenter(layout) && layout.linePoints) {\n var label = layout.label;\n var linePoints = layout.linePoints;\n var isAlignToEdge = layout.labelAlignTo === 'edge';\n var padding = label.style.padding;\n var paddingH = padding ? padding[1] + padding[3] : 0; // textRect.width already contains paddingH if bgColor is set\n\n var extraPaddingH = label.style.backgroundColor ? 0 : paddingH;\n var realTextWidth = layout.rect.width + extraPaddingH;\n var dist = linePoints[1][0] - linePoints[2][0];\n\n if (isAlignToEdge) {\n if (label.x < cx) {\n linePoints[2][0] = viewLeft + layout.edgeDistance + realTextWidth + layout.labelDistance;\n } else {\n linePoints[2][0] = viewLeft + viewWidth - layout.edgeDistance - realTextWidth - layout.labelDistance;\n }\n } else {\n if (label.x < cx) {\n linePoints[2][0] = label.x + layout.labelDistance;\n } else {\n linePoints[2][0] = label.x - layout.labelDistance;\n }\n\n linePoints[1][0] = linePoints[2][0] + dist;\n }\n\n linePoints[1][1] = linePoints[2][1] = label.y;\n }\n }\n}\n/**\n * Set max width of each label, and then wrap each label to the max width.\n *\n * @param layout label layout\n * @param availableWidth max width for the label to display\n * @param forceRecalculate recaculate the text layout even if the current width\n * is smaller than `availableWidth`. This is useful when the text was previously\n * wrapped by calling `constrainTextWidth` but now `availableWidth` changed, in\n * which case, previous wrapping should be redo.\n */\n\n\nfunction constrainTextWidth(layout, availableWidth, forceRecalculate) {\n if (forceRecalculate === void 0) {\n forceRecalculate = false;\n }\n\n if (layout.labelStyleWidth != null) {\n // User-defined style.width has the highest priority.\n return;\n }\n\n var label = layout.label;\n var style = label.style;\n var textRect = layout.rect;\n var bgColor = style.backgroundColor;\n var padding = style.padding;\n var paddingH = padding ? padding[1] + padding[3] : 0;\n var overflow = style.overflow; // textRect.width already contains paddingH if bgColor is set\n\n var oldOuterWidth = textRect.width + (bgColor ? 0 : paddingH);\n\n if (availableWidth < oldOuterWidth || forceRecalculate) {\n var oldHeight = textRect.height;\n\n if (overflow && overflow.match('break')) {\n // Temporarily set background to be null to calculate\n // the bounding box without background.\n label.setStyle('backgroundColor', null); // Set constraining width\n\n label.setStyle('width', availableWidth - paddingH); // This is the real bounding box of the text without padding.\n\n var innerRect = label.getBoundingRect();\n label.setStyle('width', Math.ceil(innerRect.width));\n label.setStyle('backgroundColor', bgColor);\n } else {\n var availableInnerWidth = availableWidth - paddingH;\n var newWidth = availableWidth < oldOuterWidth // Current text is too wide, use `availableWidth` as max width.\n ? availableInnerWidth : // Current available width is enough, but the text may have\n // already been wrapped with a smaller available width.\n forceRecalculate ? availableInnerWidth > layout.unconstrainedWidth // Current available is larger than text width,\n // so don't constrain width (otherwise it may have\n // empty space in the background).\n ? null // Current available is smaller than text width, so\n // use the current available width as constraining\n // width.\n : availableInnerWidth : // Current available width is enough, so no need to\n // constrain.\n null;\n label.setStyle('width', newWidth);\n }\n\n var newRect = label.getBoundingRect();\n textRect.width = newRect.width;\n var margin = (label.style.margin || 0) + 2.1;\n textRect.height = newRect.height + margin;\n textRect.y -= (textRect.height - oldHeight) / 2;\n }\n}\n\nfunction isPositionCenter(sectorShape) {\n // Not change x for center label\n return sectorShape.position === 'center';\n}\n\nexport default function pieLabelLayout(seriesModel) {\n var data = seriesModel.getData();\n var labelLayoutList = [];\n var cx;\n var cy;\n var hasLabelRotate = false;\n var minShowLabelRadian = (seriesModel.get('minShowLabelAngle') || 0) * RADIAN;\n var viewRect = data.getLayout('viewRect');\n var r = data.getLayout('r');\n var viewWidth = viewRect.width;\n var viewLeft = viewRect.x;\n var viewTop = viewRect.y;\n var viewHeight = viewRect.height;\n\n function setNotShow(el) {\n el.ignore = true;\n }\n\n function isLabelShown(label) {\n if (!label.ignore) {\n return true;\n }\n\n for (var key in label.states) {\n if (label.states[key].ignore === false) {\n return true;\n }\n }\n\n return false;\n }\n\n data.each(function (idx) {\n var sector = data.getItemGraphicEl(idx);\n var sectorShape = sector.shape;\n var label = sector.getTextContent();\n var labelLine = sector.getTextGuideLine();\n var itemModel = data.getItemModel(idx);\n var labelModel = itemModel.getModel('label'); // Use position in normal or emphasis\n\n var labelPosition = labelModel.get('position') || itemModel.get(['emphasis', 'label', 'position']);\n var labelDistance = labelModel.get('distanceToLabelLine');\n var labelAlignTo = labelModel.get('alignTo');\n var edgeDistance = parsePercent(labelModel.get('edgeDistance'), viewWidth);\n var bleedMargin = labelModel.get('bleedMargin');\n var labelLineModel = itemModel.getModel('labelLine');\n var labelLineLen = labelLineModel.get('length');\n labelLineLen = parsePercent(labelLineLen, viewWidth);\n var labelLineLen2 = labelLineModel.get('length2');\n labelLineLen2 = parsePercent(labelLineLen2, viewWidth);\n\n if (Math.abs(sectorShape.endAngle - sectorShape.startAngle) < minShowLabelRadian) {\n each(label.states, setNotShow);\n label.ignore = true;\n\n if (labelLine) {\n each(labelLine.states, setNotShow);\n labelLine.ignore = true;\n }\n\n return;\n }\n\n if (!isLabelShown(label)) {\n return;\n }\n\n var midAngle = (sectorShape.startAngle + sectorShape.endAngle) / 2;\n var nx = Math.cos(midAngle);\n var ny = Math.sin(midAngle);\n var textX;\n var textY;\n var linePoints;\n var textAlign;\n cx = sectorShape.cx;\n cy = sectorShape.cy;\n var isLabelInside = labelPosition === 'inside' || labelPosition === 'inner';\n\n if (labelPosition === 'center') {\n textX = sectorShape.cx;\n textY = sectorShape.cy;\n textAlign = 'center';\n } else {\n var x1 = (isLabelInside ? (sectorShape.r + sectorShape.r0) / 2 * nx : sectorShape.r * nx) + cx;\n var y1 = (isLabelInside ? (sectorShape.r + sectorShape.r0) / 2 * ny : sectorShape.r * ny) + cy;\n textX = x1 + nx * 3;\n textY = y1 + ny * 3;\n\n if (!isLabelInside) {\n // For roseType\n var x2 = x1 + nx * (labelLineLen + r - sectorShape.r);\n var y2 = y1 + ny * (labelLineLen + r - sectorShape.r);\n var x3 = x2 + (nx < 0 ? -1 : 1) * labelLineLen2;\n var y3 = y2;\n\n if (labelAlignTo === 'edge') {\n // Adjust textX because text align of edge is opposite\n textX = nx < 0 ? viewLeft + edgeDistance : viewLeft + viewWidth - edgeDistance;\n } else {\n textX = x3 + (nx < 0 ? -labelDistance : labelDistance);\n }\n\n textY = y3;\n linePoints = [[x1, y1], [x2, y2], [x3, y3]];\n }\n\n textAlign = isLabelInside ? 'center' : labelAlignTo === 'edge' ? nx > 0 ? 'right' : 'left' : nx > 0 ? 'left' : 'right';\n }\n\n var PI = Math.PI;\n var labelRotate = 0;\n var rotate = labelModel.get('rotate');\n\n if (isNumber(rotate)) {\n labelRotate = rotate * (PI / 180);\n } else if (labelPosition === 'center') {\n labelRotate = 0;\n } else if (rotate === 'radial' || rotate === true) {\n var radialAngle = nx < 0 ? -midAngle + PI : -midAngle;\n labelRotate = radialAngle;\n } else if (rotate === 'tangential' && labelPosition !== 'outside' && labelPosition !== 'outer') {\n var rad = Math.atan2(nx, ny);\n\n if (rad < 0) {\n rad = PI * 2 + rad;\n }\n\n var isDown = ny > 0;\n\n if (isDown) {\n rad = PI + rad;\n }\n\n labelRotate = rad - PI;\n }\n\n hasLabelRotate = !!labelRotate;\n label.x = textX;\n label.y = textY;\n label.rotation = labelRotate;\n label.setStyle({\n verticalAlign: 'middle'\n }); // Not sectorShape the inside label\n\n if (!isLabelInside) {\n var textRect = label.getBoundingRect().clone();\n textRect.applyTransform(label.getComputedTransform()); // Text has a default 1px stroke. Exclude this.\n\n var margin = (label.style.margin || 0) + 2.1;\n textRect.y -= margin / 2;\n textRect.height += margin;\n labelLayoutList.push({\n label: label,\n labelLine: labelLine,\n position: labelPosition,\n len: labelLineLen,\n len2: labelLineLen2,\n minTurnAngle: labelLineModel.get('minTurnAngle'),\n maxSurfaceAngle: labelLineModel.get('maxSurfaceAngle'),\n surfaceNormal: new Point(nx, ny),\n linePoints: linePoints,\n textAlign: textAlign,\n labelDistance: labelDistance,\n labelAlignTo: labelAlignTo,\n edgeDistance: edgeDistance,\n bleedMargin: bleedMargin,\n rect: textRect,\n unconstrainedWidth: textRect.width,\n labelStyleWidth: label.style.width\n });\n } else {\n label.setStyle({\n align: textAlign\n });\n var selectState = label.states.select;\n\n if (selectState) {\n selectState.x += label.x;\n selectState.y += label.y;\n }\n }\n\n sector.setTextConfig({\n inside: isLabelInside\n });\n });\n\n if (!hasLabelRotate && seriesModel.get('avoidLabelOverlap')) {\n 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t":["\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*/\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*/\n// FIXME emphasis label position is not same with normal label position\nimport { parsePercent } from '../../util/number.js';\nimport { Point } from '../../util/graphic.js';\nimport { each, isNumber } from 'zrender/lib/core/util.js';\nimport { limitTurnAngle, limitSurfaceAngle } from '../../label/labelGuideHelper.js';\nimport { shiftLayoutOnY } from '../../label/labelLayoutHelper.js';\nvar RADIAN = Math.PI / 180;\n\nfunction adjustSingleSide(list, cx, cy, r, dir, viewWidth, viewHeight, viewLeft, viewTop, farthestX) {\n if (list.length < 2) {\n return;\n }\n\n ;\n\n function recalculateXOnSemiToAlignOnEllipseCurve(semi) {\n var rB = semi.rB;\n var rB2 = rB * rB;\n\n for (var i = 0; i < semi.list.length; i++) {\n var item = semi.list[i];\n var dy = Math.abs(item.label.y - cy); // horizontal r is always same with original r because x is not changed.\n\n var rA = r + item.len;\n var rA2 = rA * rA; // Use ellipse implicit function to calculate x\n\n var dx = Math.sqrt((1 - Math.abs(dy * dy / rB2)) * rA2);\n var newX = cx + (dx + item.len2) * dir;\n var deltaX = newX - item.label.x;\n var newTargetWidth = item.targetTextWidth - deltaX * dir; // text x is changed, so need to recalculate width.\n\n constrainTextWidth(item, newTargetWidth, true);\n item.label.x = newX;\n }\n } // Adjust X based on the shifted y. Make tight labels aligned on an ellipse curve.\n\n\n function recalculateX(items) {\n // Extremes of\n var topSemi = {\n list: [],\n maxY: 0\n };\n var bottomSemi = {\n list: [],\n maxY: 0\n };\n\n for (var i = 0; i < items.length; i++) {\n if (items[i].labelAlignTo !== 'none') {\n continue;\n }\n\n var item = items[i];\n var semi = item.label.y > cy ? bottomSemi : topSemi;\n var dy = Math.abs(item.label.y - cy);\n\n if (dy >= semi.maxY) {\n var dx = item.label.x - cx - item.len2 * dir; // horizontal r is always same with original r because x is not changed.\n\n var rA = r + item.len; // Canculate rB based on the topest / bottemest label.\n\n var rB = Math.abs(dx) < rA ? Math.sqrt(dy * dy / (1 - dx * dx / rA / rA)) : rA;\n semi.rB = rB;\n semi.maxY = dy;\n }\n\n semi.list.push(item);\n }\n\n recalculateXOnSemiToAlignOnEllipseCurve(topSemi);\n recalculateXOnSemiToAlignOnEllipseCurve(bottomSemi);\n }\n\n var len = list.length;\n\n for (var i = 0; i < len; i++) {\n if (list[i].position === 'outer' && list[i].labelAlignTo === 'labelLine') {\n var dx = list[i].label.x - farthestX;\n list[i].linePoints[1][0] += dx;\n list[i].label.x = farthestX;\n }\n }\n\n if (shiftLayoutOnY(list, viewTop, viewTop + viewHeight)) {\n recalculateX(list);\n }\n}\n\nfunction avoidOverlap(labelLayoutList, cx, cy, r, viewWidth, viewHeight, viewLeft, viewTop) {\n var leftList = [];\n var rightList = [];\n var leftmostX = Number.MAX_VALUE;\n var rightmostX = -Number.MAX_VALUE;\n\n for (var i = 0; i < labelLayoutList.length; i++) {\n var label = labelLayoutList[i].label;\n\n if (isPositionCenter(labelLayoutList[i])) {\n continue;\n }\n\n if (label.x < cx) {\n leftmostX = Math.min(leftmostX, label.x);\n leftList.push(labelLayoutList[i]);\n } else {\n rightmostX = Math.max(rightmostX, label.x);\n rightList.push(labelLayoutList[i]);\n }\n }\n\n for (var i = 0; i < labelLayoutList.length; i++) {\n var layout = labelLayoutList[i];\n\n if (!isPositionCenter(layout) && layout.linePoints) {\n if (layout.labelStyleWidth != null) {\n continue;\n }\n\n var label = layout.label;\n var linePoints = layout.linePoints;\n var targetTextWidth = void 0;\n\n if (layout.labelAlignTo === 'edge') {\n if (label.x < cx) {\n targetTextWidth = linePoints[2][0] - layout.labelDistance - viewLeft - layout.edgeDistance;\n } else {\n targetTextWidth = viewLeft + viewWidth - layout.edgeDistance - linePoints[2][0] - layout.labelDistance;\n }\n } else if (layout.labelAlignTo === 'labelLine') {\n if (label.x < cx) {\n targetTextWidth = leftmostX - viewLeft - layout.bleedMargin;\n } else {\n targetTextWidth = viewLeft + viewWidth - rightmostX - layout.bleedMargin;\n }\n } else {\n if (label.x < cx) {\n targetTextWidth = label.x - viewLeft - layout.bleedMargin;\n } else {\n targetTextWidth = viewLeft + viewWidth - label.x - layout.bleedMargin;\n }\n }\n\n layout.targetTextWidth = targetTextWidth;\n constrainTextWidth(layout, targetTextWidth);\n }\n }\n\n adjustSingleSide(rightList, cx, cy, r, 1, viewWidth, viewHeight, viewLeft, viewTop, rightmostX);\n adjustSingleSide(leftList, cx, cy, r, -1, viewWidth, viewHeight, viewLeft, viewTop, leftmostX);\n\n for (var i = 0; i < labelLayoutList.length; i++) {\n var layout = labelLayoutList[i];\n\n if (!isPositionCenter(layout) && layout.linePoints) {\n var label = layout.label;\n var linePoints = layout.linePoints;\n var isAlignToEdge = layout.labelAlignTo === 'edge';\n var padding = label.style.padding;\n var paddingH = padding ? padding[1] + padding[3] : 0; // textRect.width already contains paddingH if bgColor is set\n\n var extraPaddingH = label.style.backgroundColor ? 0 : paddingH;\n var realTextWidth = layout.rect.width + extraPaddingH;\n var dist = linePoints[1][0] - linePoints[2][0];\n\n if (isAlignToEdge) {\n if (label.x < cx) {\n linePoints[2][0] = viewLeft + layout.edgeDistance + realTextWidth + layout.labelDistance;\n } else {\n linePoints[2][0] = viewLeft + viewWidth - layout.edgeDistance - realTextWidth - layout.labelDistance;\n }\n } else {\n if (label.x < cx) {\n linePoints[2][0] = label.x + layout.labelDistance;\n } else {\n linePoints[2][0] = label.x - layout.labelDistance;\n }\n\n linePoints[1][0] = linePoints[2][0] + dist;\n }\n\n linePoints[1][1] = linePoints[2][1] = label.y;\n }\n }\n}\n/**\n * Set max width of each label, and then wrap each label to the max width.\n *\n * @param layout label layout\n * @param availableWidth max width for the label to display\n * @param forceRecalculate recaculate the text layout even if the current width\n * is smaller than `availableWidth`. This is useful when the text was previously\n * wrapped by calling `constrainTextWidth` but now `availableWidth` changed, in\n * which case, previous wrapping should be redo.\n */\n\n\nfunction constrainTextWidth(layout, availableWidth, forceRecalculate) {\n if (forceRecalculate === void 0) {\n forceRecalculate = false;\n }\n\n if (layout.labelStyleWidth != null) {\n // User-defined style.width has the highest priority.\n return;\n }\n\n var label = layout.label;\n var style = label.style;\n var textRect = layout.rect;\n var bgColor = style.backgroundColor;\n var padding = style.padding;\n var paddingH = padding ? padding[1] + padding[3] : 0;\n var overflow = style.overflow; // textRect.width already contains paddingH if bgColor is set\n\n var oldOuterWidth = textRect.width + (bgColor ? 0 : paddingH);\n\n if (availableWidth < oldOuterWidth || forceRecalculate) {\n var oldHeight = textRect.height;\n\n if (overflow && overflow.match('break')) {\n // Temporarily set background to be null to calculate\n // the bounding box without background.\n label.setStyle('backgroundColor', null); // Set constraining width\n\n label.setStyle('width', availableWidth - paddingH); // This is the real bounding box of the text without padding.\n\n var innerRect = label.getBoundingRect();\n label.setStyle('width', Math.ceil(innerRect.width));\n label.setStyle('backgroundColor', bgColor);\n } else {\n var availableInnerWidth = availableWidth - paddingH;\n var newWidth = availableWidth < oldOuterWidth // Current text is too wide, use `availableWidth` as max width.\n ? availableInnerWidth : // Current available width is enough, but the text may have\n // already been wrapped with a smaller available width.\n forceRecalculate ? availableInnerWidth > layout.unconstrainedWidth // Current available is larger than text width,\n // so don't constrain width (otherwise it may have\n // empty space in the background).\n ? null // Current available is smaller than text width, so\n // use the current available width as constraining\n // width.\n : availableInnerWidth : // Current available width is enough, so no need to\n // constrain.\n null;\n label.setStyle('width', newWidth);\n }\n\n var newRect = label.getBoundingRect();\n textRect.width = newRect.width;\n var margin = (label.style.margin || 0) + 2.1;\n textRect.height = newRect.height + margin;\n textRect.y -= (textRect.height - oldHeight) / 2;\n }\n}\n\nfunction isPositionCenter(sectorShape) {\n // Not change x for center label\n return sectorShape.position === 'center';\n}\n\nexport default function pieLabelLayout(seriesModel) {\n var data = seriesModel.getData();\n var labelLayoutList = [];\n var cx;\n var cy;\n var hasLabelRotate = false;\n var minShowLabelRadian = (seriesModel.get('minShowLabelAngle') || 0) * RADIAN;\n var viewRect = data.getLayout('viewRect');\n var r = data.getLayout('r');\n var viewWidth = viewRect.width;\n var viewLeft = viewRect.x;\n var viewTop = viewRect.y;\n var viewHeight = viewRect.height;\n\n function setNotShow(el) {\n el.ignore = true;\n }\n\n function isLabelShown(label) {\n if (!label.ignore) {\n return true;\n }\n\n for (var key in label.states) {\n if (label.states[key].ignore === false) {\n return true;\n }\n }\n\n return false;\n }\n\n data.each(function (idx) {\n var sector = data.getItemGraphicEl(idx);\n var sectorShape = sector.shape;\n var label = sector.getTextContent();\n var labelLine = sector.getTextGuideLine();\n var itemModel = data.getItemModel(idx);\n var labelModel = itemModel.getModel('label'); // Use position in normal or emphasis\n\n var labelPosition = labelModel.get('position') || itemModel.get(['emphasis', 'label', 'position']);\n var labelDistance = labelModel.get('distanceToLabelLine');\n var labelAlignTo = labelModel.get('alignTo');\n var edgeDistance = parsePercent(labelModel.get('edgeDistance'), viewWidth);\n var bleedMargin = labelModel.get('bleedMargin');\n var labelLineModel = itemModel.getModel('labelLine');\n var labelLineLen = labelLineModel.get('length');\n labelLineLen = parsePercent(labelLineLen, viewWidth);\n var labelLineLen2 = labelLineModel.get('length2');\n labelLineLen2 = parsePercent(labelLineLen2, viewWidth);\n\n if (Math.abs(sectorShape.endAngle - sectorShape.startAngle) < minShowLabelRadian) {\n each(label.states, setNotShow);\n label.ignore = true;\n\n if (labelLine) {\n each(labelLine.states, setNotShow);\n labelLine.ignore = true;\n }\n\n return;\n }\n\n if (!isLabelShown(label)) {\n return;\n }\n\n var midAngle = (sectorShape.startAngle + sectorShape.endAngle) / 2;\n var nx = Math.cos(midAngle);\n var ny = Math.sin(midAngle);\n var textX;\n var textY;\n var linePoints;\n var textAlign;\n cx = sectorShape.cx;\n cy = sectorShape.cy;\n var isLabelInside = labelPosition === 'inside' || labelPosition === 'inner';\n\n if (labelPosition === 'center') {\n textX = sectorShape.cx;\n textY = sectorShape.cy;\n textAlign = 'center';\n } else {\n var x1 = (isLabelInside ? (sectorShape.r + sectorShape.r0) / 2 * nx : sectorShape.r * nx) + cx;\n var y1 = (isLabelInside ? (sectorShape.r + sectorShape.r0) / 2 * ny : sectorShape.r * ny) + cy;\n textX = x1 + nx * 3;\n textY = y1 + ny * 3;\n\n if (!isLabelInside) {\n // For roseType\n var x2 = x1 + nx * (labelLineLen + r - sectorShape.r);\n var y2 = y1 + ny * (labelLineLen + r - sectorShape.r);\n var x3 = x2 + (nx < 0 ? -1 : 1) * labelLineLen2;\n var y3 = y2;\n\n if (labelAlignTo === 'edge') {\n // Adjust textX because text align of edge is opposite\n textX = nx < 0 ? viewLeft + edgeDistance : viewLeft + viewWidth - edgeDistance;\n } else {\n textX = x3 + (nx < 0 ? -labelDistance : labelDistance);\n }\n\n textY = y3;\n linePoints = [[x1, y1], [x2, y2], [x3, y3]];\n }\n\n textAlign = isLabelInside ? 'center' : labelAlignTo === 'edge' ? nx > 0 ? 'right' : 'left' : nx > 0 ? 'left' : 'right';\n }\n\n var PI = Math.PI;\n var labelRotate = 0;\n var rotate = labelModel.get('rotate');\n\n if (isNumber(rotate)) {\n labelRotate = rotate * (PI / 180);\n } else if (labelPosition === 'center') {\n labelRotate = 0;\n } else if (rotate === 'radial' || rotate === true) {\n var radialAngle = nx < 0 ? -midAngle + PI : -midAngle;\n labelRotate = radialAngle;\n } else if (rotate === 'tangential' && labelPosition !== 'outside' && labelPosition !== 'outer') {\n var rad = Math.atan2(nx, ny);\n\n if (rad < 0) {\n rad = PI * 2 + rad;\n }\n\n var isDown = ny > 0;\n\n if (isDown) {\n rad = PI + rad;\n }\n\n labelRotate = rad - PI;\n }\n\n hasLabelRotate = !!labelRotate;\n label.x = textX;\n label.y = textY;\n label.rotation = labelRotate;\n label.setStyle({\n verticalAlign: 'middle'\n }); // Not sectorShape the inside label\n\n if (!isLabelInside) {\n var textRect = label.getBoundingRect().clone();\n textRect.applyTransform(label.getComputedTransform()); // Text has a default 1px stroke. Exclude this.\n\n var margin = (label.style.margin || 0) + 2.1;\n textRect.y -= margin / 2;\n textRect.height += margin;\n labelLayoutList.push({\n label: label,\n labelLine: labelLine,\n position: labelPosition,\n len: labelLineLen,\n len2: labelLineLen2,\n minTurnAngle: labelLineModel.get('minTurnAngle'),\n maxSurfaceAngle: labelLineModel.get('maxSurfaceAngle'),\n surfaceNormal: new Point(nx, ny),\n linePoints: linePoints,\n textAlign: textAlign,\n labelDistance: labelDistance,\n labelAlignTo: labelAlignTo,\n edgeDistance: edgeDistance,\n bleedMargin: bleedMargin,\n rect: textRect,\n unconstrainedWidth: textRect.width,\n labelStyleWidth: label.style.width\n });\n } else {\n label.setStyle({\n align: textAlign\n });\n var selectState = label.states.select;\n\n if (selectState) {\n selectState.x += label.x;\n selectState.y += label.y;\n }\n }\n\n sector.setTextConfig({\n inside: isLabelInside\n });\n });\n\n if (!hasLabelRotate && seriesModel.get('avoidLabelOverlap')) {\n avoidOverlap(labelLayoutList, cx, cy, r, viewWidth, viewHeight, viewLeft, viewTop);\n }\n\n for (var i = 0; i < labelLayoutList.length; i++) {\n var layout = labelLayoutList[i];\n var label = layout.label;\n var labelLine = layout.labelLine;\n var notShowLabel = isNaN(label.x) || isNaN(label.y);\n\n if (label) {\n label.setStyle({\n align: layout.textAlign\n });\n\n if (notShowLabel) {\n each(label.states, setNotShow);\n label.ignore = true;\n }\n\n var selectState = label.states.select;\n\n if (selectState) {\n selectState.x += label.x;\n selectState.y += label.y;\n }\n }\n\n if (labelLine) {\n var linePoints = layout.linePoints;\n\n if (notShowLabel || !linePoints) {\n each(labelLine.states, setNotShow);\n labelLine.ignore = true;\n } else {\n limitTurnAngle(linePoints, layout.minTurnAngle);\n limitSurfaceAngle(linePoints, layout.surfaceNormal, layout.maxSurfaceAngle);\n labelLine.setShape({\n points: linePoints\n }); // Set the anchor to the midpoint of sector\n\n label.__hostTarget.textGuideLineConfig = {\n anchor: new Point(linePoints[0][0], linePoints[0][1])\n };\n }\n }\n }\n}"]},"metadata":{},"sourceType":"module"} |