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brushHelper.js 1.3KB

    var BoundingRect = require("zrender/lib/core/BoundingRect"); var _cursorHelper = require("./cursorHelper"); var onIrrelevantElement = _cursorHelper.onIrrelevantElement; var graphicUtil = require("../../util/graphic"); function makeRectPanelClipPath(rect) { rect = normalizeRect(rect); return function (localPoints, transform) { return graphicUtil.clipPointsByRect(localPoints, rect); }; } function makeLinearBrushOtherExtent(rect, specifiedXYIndex) { rect = normalizeRect(rect); return function (xyIndex) { var idx = specifiedXYIndex != null ? specifiedXYIndex : xyIndex; var brushWidth = idx ? rect.width : rect.height; var base = idx ? rect.x : rect.y; return [base, base + (brushWidth || 0)]; }; } function makeRectIsTargetByCursor(rect, api, targetModel) { rect = normalizeRect(rect); return function (e, localCursorPoint, transform) { return rect.contain(localCursorPoint[0], localCursorPoint[1]) && !onIrrelevantElement(e, api, targetModel); }; } // Consider width/height is negative. function normalizeRect(rect) { return BoundingRect.create(rect); } exports.makeRectPanelClipPath = makeRectPanelClipPath; exports.makeLinearBrushOtherExtent = makeLinearBrushOtherExtent; exports.makeRectIsTargetByCursor = makeRectIsTargetByCursor;