fabric/dist/src/controls/rotate.mjs.map

Object model for HTML5 canvas, and SVG-to-canvas parser. Backed by jsdom and node-canvas.

{"version":3,"file":"rotate.mjs","sources":["../../../src/controls/rotate.ts"],"sourcesContent":["import type {\n  ControlCursorCallback,\n  TransformActionHandler,\n} from '../EventTypeDefs';\nimport { ROTATING } from '../constants';\nimport { radiansToDegrees } from '../util/misc/radiansDegreesConversion';\nimport { isLocked, NOT_ALLOWED_CURSOR } from './util';\nimport { wrapWithFireEvent } from './wrapWithFireEvent';\nimport { wrapWithFixedAnchor } from './wrapWithFixedAnchor';\n\n/**\n * Find the correct style for the control that is used for rotation.\n * this function is very simple and it just take care of not-allowed or standard cursor\n * @param {Event} eventData the javascript event that is causing the scale\n * @param {Control} control the control that is interested in the action\n * @param {FabricObject} fabricObject the fabric object that is interested in the action\n * @return {String} a valid css string for the cursor\n */\nexport const rotationStyleHandler: ControlCursorCallback = (\n  eventData,\n  control,\n  fabricObject,\n) => {\n  if (fabricObject.lockRotation) {\n    return NOT_ALLOWED_CURSOR;\n  }\n  return control.cursorStyle;\n};\n\n/**\n * Action handler for rotation and snapping, without anchor point.\n * Needs to be wrapped with `wrapWithFixedAnchor` to be effective\n * @param {Event} eventData javascript event that is doing the transform\n * @param {Object} transform javascript object containing a series of information around the current transform\n * @param {number} x current mouse x position, canvas normalized\n * @param {number} y current mouse y position, canvas normalized\n * @return {Boolean} true if some change happened\n * @private\n */\nconst rotateObjectWithSnapping: TransformActionHandler = (\n  eventData,\n  { target, ex, ey, theta, originX, originY },\n  x,\n  y,\n) => {\n  const pivotPoint = target.getPositionByOrigin(originX, originY);\n\n  if (isLocked(target, 'lockRotation')) {\n    return false;\n  }\n\n  const lastAngle = Math.atan2(ey - pivotPoint.y, ex - pivotPoint.x),\n    curAngle = Math.atan2(y - pivotPoint.y, x - pivotPoint.x);\n  let angle = radiansToDegrees(curAngle - lastAngle + theta);\n\n  if (target.snapAngle && target.snapAngle > 0) {\n    const snapAngle = target.snapAngle,\n      snapThreshold = target.snapThreshold || snapAngle,\n      rightAngleLocked = Math.ceil(angle / snapAngle) * snapAngle,\n      leftAngleLocked = Math.floor(angle / snapAngle) * snapAngle;\n\n    if (Math.abs(angle - leftAngleLocked) < snapThreshold) {\n      angle = leftAngleLocked;\n    } else if (Math.abs(angle - rightAngleLocked) < snapThreshold) {\n      angle = rightAngleLocked;\n    }\n  }\n\n  // normalize angle to positive value\n  if (angle < 0) {\n    angle = 360 + angle;\n  }\n  angle %= 360;\n\n  const hasRotated = target.angle !== angle;\n  // TODO: why aren't we using set?\n  target.angle = angle;\n  return hasRotated;\n};\n\nexport const rotationWithSnapping = wrapWithFireEvent(\n  ROTATING,\n  wrapWithFixedAnchor(rotateObjectWithSnapping),\n);\n"],"names":["rotationStyleHandler","eventData","control","fabricObject","lockRotation","NOT_ALLOWED_CURSOR","cursorStyle","rotateObjectWithSnapping","_ref","x","y","target","ex","ey","theta","originX","originY","pivotPoint","getPositionByOrigin","isLocked","lastAngle","Math","atan2","curAngle","angle","radiansToDegrees","snapAngle","snapThreshold","rightAngleLocked","ceil","leftAngleLocked","floor","abs","hasRotated","rotationWithSnapping","wrapWithFireEvent","ROTATING","wrapWithFixedAnchor"],"mappings":";;;;;;AAUA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACO,MAAMA,oBAA2C,GAAGA,CACzDC,SAAS,EACTC,OAAO,EACPC,YAAY,KACT;EACH,IAAIA,YAAY,CAACC,YAAY,EAAE;AAC7B,IAAA,OAAOC,kBAAkB;AAC3B,EAAA;EACA,OAAOH,OAAO,CAACI,WAAW;AAC5B;;AAEA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,MAAMC,wBAAgD,GAAGA,CACvDN,SAAS,EAAAO,IAAA,EAETC,CAAC,EACDC,CAAC,KACE;EAAA,IAHH;IAAEC,MAAM;IAAEC,EAAE;IAAEC,EAAE;IAAEC,KAAK;IAAEC,OAAO;AAAEC,IAAAA;AAAQ,GAAC,GAAAR,IAAA;EAI3C,MAAMS,UAAU,GAAGN,MAAM,CAACO,mBAAmB,CAACH,OAAO,EAAEC,OAAO,CAAC;AAE/D,EAAA,IAAIG,QAAQ,CAACR,MAAM,EAAE,cAAc,CAAC,EAAE;AACpC,IAAA,OAAO,KAAK;AACd,EAAA;AAEA,EAAA,MAAMS,SAAS,GAAGC,IAAI,CAACC,KAAK,CAACT,EAAE,GAAGI,UAAU,CAACP,CAAC,EAAEE,EAAE,GAAGK,UAAU,CAACR,CAAC,CAAC;AAChEc,IAAAA,QAAQ,GAAGF,IAAI,CAACC,KAAK,CAACZ,CAAC,GAAGO,UAAU,CAACP,CAAC,EAAED,CAAC,GAAGQ,UAAU,CAACR,CAAC,CAAC;EAC3D,IAAIe,KAAK,GAAGC,gBAAgB,CAACF,QAAQ,GAAGH,SAAS,GAAGN,KAAK,CAAC;EAE1D,IAAIH,MAAM,CAACe,SAAS,IAAIf,MAAM,CAACe,SAAS,GAAG,CAAC,EAAE;AAC5C,IAAA,MAAMA,SAAS,GAAGf,MAAM,CAACe,SAAS;AAChCC,MAAAA,aAAa,GAAGhB,MAAM,CAACgB,aAAa,IAAID,SAAS;MACjDE,gBAAgB,GAAGP,IAAI,CAACQ,IAAI,CAACL,KAAK,GAAGE,SAAS,CAAC,GAAGA,SAAS;MAC3DI,eAAe,GAAGT,IAAI,CAACU,KAAK,CAACP,KAAK,GAAGE,SAAS,CAAC,GAAGA,SAAS;IAE7D,IAAIL,IAAI,CAACW,GAAG,CAACR,KAAK,GAAGM,eAAe,CAAC,GAAGH,aAAa,EAAE;AACrDH,MAAAA,KAAK,GAAGM,eAAe;AACzB,IAAA,CAAC,MAAM,IAAIT,IAAI,CAACW,GAAG,CAACR,KAAK,GAAGI,gBAAgB,CAAC,GAAGD,aAAa,EAAE;AAC7DH,MAAAA,KAAK,GAAGI,gBAAgB;AAC1B,IAAA;AACF,EAAA;;AAEA;EACA,IAAIJ,KAAK,GAAG,CAAC,EAAE;IACbA,KAAK,GAAG,GAAG,GAAGA,KAAK;AACrB,EAAA;AACAA,EAAAA,KAAK,IAAI,GAAG;AAEZ,EAAA,MAAMS,UAAU,GAAGtB,MAAM,CAACa,KAAK,KAAKA,KAAK;AACzC;EACAb,MAAM,CAACa,KAAK,GAAGA,KAAK;AACpB,EAAA,OAAOS,UAAU;AACnB,CAAC;AAEM,MAAMC,oBAAoB,GAAGC,iBAAiB,CACnDC,QAAQ,EACRC,mBAAmB,CAAC9B,wBAAwB,CAC9C;;;;"}