{"ast":null,"code":"/**\r\n * @author NHN Ent. FE Development Team <dl_javascript@nhn.com>\r\n * @fileoverview Cropzone extending fabric.Rect\r\n */\nimport snippet from 'tui-code-snippet';\nimport fabric from 'fabric';\nimport { clamp } from '../util';\nimport { eventNames as events } from '../consts';\nconst CORNER_TYPE_TOP_LEFT = 'tl';\nconst CORNER_TYPE_TOP_RIGHT = 'tr';\nconst CORNER_TYPE_MIDDLE_TOP = 'mt';\nconst CORNER_TYPE_MIDDLE_LEFT = 'ml';\nconst CORNER_TYPE_MIDDLE_RIGHT = 'mr';\nconst CORNER_TYPE_MIDDLE_BOTTOM = 'mb';\nconst CORNER_TYPE_BOTTOM_LEFT = 'bl';\nconst CORNER_TYPE_BOTTOM_RIGHT = 'br';\nconst CORNER_TYPE_LIST = [CORNER_TYPE_TOP_LEFT, CORNER_TYPE_TOP_RIGHT, CORNER_TYPE_MIDDLE_TOP, CORNER_TYPE_MIDDLE_LEFT, CORNER_TYPE_MIDDLE_RIGHT, CORNER_TYPE_MIDDLE_BOTTOM, CORNER_TYPE_BOTTOM_LEFT, CORNER_TYPE_BOTTOM_RIGHT];\n\nconst NOOP_FUNCTION = () => {};\n/**\r\n * Align with cropzone ratio\r\n * @param {string} selectedCorner - selected corner type\r\n * @returns {{width: number, height: number}}\r\n * @private\r\n */\n\n\n_c = NOOP_FUNCTION;\n\nfunction cornerTypeValid(selectedCorner) {\n  return CORNER_TYPE_LIST.indexOf(selectedCorner) >= 0;\n}\n/**\r\n * return scale basis type\r\n * @param {number} diffX - X distance of the cursor and corner.\r\n * @param {number} diffY - Y distance of the cursor and corner.\r\n * @returns {string}\r\n * @private\r\n */\n\n\nfunction getScaleBasis(diffX, diffY) {\n  return diffX > diffY ? 'width' : 'height';\n}\n/**\r\n * Cropzone object\r\n * Issue: IE7, 8(with excanvas)\r\n *  - Cropzone is a black zone without transparency.\r\n * @class Cropzone\r\n * @extends {fabric.Rect}\r\n * @ignore\r\n */\n\n\nconst Cropzone = fabric.util.createClass(fabric.Rect,\n/** @lends Cropzone.prototype */\n{\n  /**\r\n   * Constructor\r\n   * @param {Object} canvas canvas\r\n   * @param {Object} options Options object\r\n   * @param {Object} extendsOptions object for extends \"options\"\r\n   * @override\r\n   */\n  initialize(canvas, options, extendsOptions) {\n    options = snippet.extend(options, extendsOptions);\n    options.type = 'cropzone';\n    this.callSuper('initialize', options);\n\n    this._addEventHandler();\n\n    this.canvas = canvas;\n    this.options = options;\n  },\n\n  canvasEventDelegation(eventName) {\n    let delegationState = 'unregisted';\n    const isRegisted = this.canvasEventTrigger[eventName] !== NOOP_FUNCTION;\n\n    if (isRegisted) {\n      delegationState = 'registed';\n    } else if ([events.OBJECT_MOVED, events.OBJECT_SCALED].indexOf(eventName) < 0) {\n      delegationState = 'none';\n    }\n\n    return delegationState;\n  },\n\n  canvasEventRegister(eventName, eventTrigger) {\n    this.canvasEventTrigger[eventName] = eventTrigger;\n  },\n\n  _addEventHandler() {\n    this.canvasEventTrigger = {\n      [events.OBJECT_MOVED]: NOOP_FUNCTION,\n      [events.OBJECT_SCALED]: NOOP_FUNCTION\n    };\n    this.on({\n      moving: this._onMoving.bind(this),\n      scaling: this._onScaling.bind(this)\n    });\n  },\n\n  _renderCropzone(ctx) {\n    const cropzoneDashLineWidth = 7;\n    const cropzoneDashLineOffset = 7; // Calc original scale\n\n    const originalFlipX = this.flipX ? -1 : 1;\n    const originalFlipY = this.flipY ? -1 : 1;\n    const originalScaleX = originalFlipX / this.scaleX;\n    const originalScaleY = originalFlipY / this.scaleY; // Set original scale\n\n    ctx.scale(originalScaleX, originalScaleY); // Render outer rect\n\n    this._fillOuterRect(ctx, 'rgba(0, 0, 0, 0.5)');\n\n    if (this.options.lineWidth) {\n      this._fillInnerRect(ctx);\n\n      this._strokeBorder(ctx, 'rgb(255, 255, 255)', {\n        lineWidth: this.options.lineWidth\n      });\n    } else {\n      // Black dash line\n      this._strokeBorder(ctx, 'rgb(0, 0, 0)', {\n        lineDashWidth: cropzoneDashLineWidth\n      }); // White dash line\n\n\n      this._strokeBorder(ctx, 'rgb(255, 255, 255)', {\n        lineDashWidth: cropzoneDashLineWidth,\n        lineDashOffset: cropzoneDashLineOffset\n      });\n    } // Reset scale\n\n\n    ctx.scale(1 / originalScaleX, 1 / originalScaleY);\n  },\n\n  /**\r\n   * Render Crop-zone\r\n   * @private\r\n   * @override\r\n   */\n  _render(ctx) {\n    this.callSuper('_render', ctx);\n\n    this._renderCropzone(ctx);\n  },\n\n  /**\r\n   * Cropzone-coordinates with outer rectangle\r\n   *\r\n   *     x0     x1         x2      x3\r\n   *  y0 +--------------------------+\r\n   *     |///////|//////////|///////|    // <--- \"Outer-rectangle\"\r\n   *     |///////|//////////|///////|\r\n   *  y1 +-------+----------+-------+\r\n   *     |///////| Cropzone |///////|    Cropzone is the \"Inner-rectangle\"\r\n   *     |///////|  (0, 0)  |///////|    Center point (0, 0)\r\n   *  y2 +-------+----------+-------+\r\n   *     |///////|//////////|///////|\r\n   *     |///////|//////////|///////|\r\n   *  y3 +--------------------------+\r\n   *\r\n   * @typedef {{x: Array<number>, y: Array<number>}} cropzoneCoordinates\r\n   * @ignore\r\n   */\n\n  /**\r\n   * Fill outer rectangle\r\n   * @param {CanvasRenderingContext2D} ctx - Context\r\n   * @param {string|CanvasGradient|CanvasPattern} fillStyle - Fill-style\r\n   * @private\r\n   */\n  _fillOuterRect(ctx, fillStyle) {\n    const {\n      x,\n      y\n    } = this._getCoordinates();\n\n    ctx.save();\n    ctx.fillStyle = fillStyle;\n    ctx.beginPath(); // Outer rectangle\n    // Numbers are +/-1 so that overlay edges don't get blurry.\n\n    ctx.moveTo(x[0] - 1, y[0] - 1);\n    ctx.lineTo(x[3] + 1, y[0] - 1);\n    ctx.lineTo(x[3] + 1, y[3] + 1);\n    ctx.lineTo(x[0] - 1, y[3] + 1);\n    ctx.lineTo(x[0] - 1, y[0] - 1);\n    ctx.closePath(); // Inner rectangle\n\n    ctx.moveTo(x[1], y[1]);\n    ctx.lineTo(x[1], y[2]);\n    ctx.lineTo(x[2], y[2]);\n    ctx.lineTo(x[2], y[1]);\n    ctx.lineTo(x[1], y[1]);\n    ctx.closePath();\n    ctx.fill();\n    ctx.restore();\n  },\n\n  /**\r\n   * Draw Inner grid line\r\n   * @param {CanvasRenderingContext2D} ctx - Context\r\n   * @private\r\n   */\n  _fillInnerRect(ctx) {\n    const {\n      x: outerX,\n      y: outerY\n    } = this._getCoordinates();\n\n    const x = this._caculateInnerPosition(outerX, (outerX[2] - outerX[1]) / 3);\n\n    const y = this._caculateInnerPosition(outerY, (outerY[2] - outerY[1]) / 3);\n\n    ctx.save();\n    ctx.strokeStyle = 'rgba(255, 255, 255, 0.7)';\n    ctx.lineWidth = this.options.lineWidth;\n    ctx.beginPath();\n    ctx.moveTo(x[0], y[1]);\n    ctx.lineTo(x[3], y[1]);\n    ctx.moveTo(x[0], y[2]);\n    ctx.lineTo(x[3], y[2]);\n    ctx.moveTo(x[1], y[0]);\n    ctx.lineTo(x[1], y[3]);\n    ctx.moveTo(x[2], y[0]);\n    ctx.lineTo(x[2], y[3]);\n    ctx.stroke();\n    ctx.closePath();\n    ctx.restore();\n  },\n\n  /**\r\n   * Calculate Inner Position\r\n   * @param {Array} outer - outer position\r\n   * @param {number} size - interval for calculate\r\n   * @returns {Array} - inner position\r\n   * @private\r\n   */\n  _caculateInnerPosition(outer, size) {\n    const position = [];\n    position[0] = outer[1];\n    position[1] = outer[1] + size;\n    position[2] = outer[1] + size * 2;\n    position[3] = outer[2];\n    return position;\n  },\n\n  /**\r\n   * Get coordinates\r\n   * @returns {cropzoneCoordinates} - {@link cropzoneCoordinates}\r\n   * @private\r\n   */\n  _getCoordinates() {\n    const {\n      canvas,\n      width,\n      height,\n      left,\n      top\n    } = this;\n    const halfWidth = width / 2;\n    const halfHeight = height / 2;\n    const canvasHeight = canvas.getHeight(); // fabric object\n\n    const canvasWidth = canvas.getWidth(); // fabric object\n\n    return {\n      x: snippet.map([-(halfWidth + left), // x0\n      -halfWidth, // x1\n      halfWidth, // x2\n      halfWidth + (canvasWidth - left - width) // x3\n      ], Math.ceil),\n      y: snippet.map([-(halfHeight + top), // y0\n      -halfHeight, // y1\n      halfHeight, // y2\n      halfHeight + (canvasHeight - top - height) // y3\n      ], Math.ceil)\n    };\n  },\n\n  /**\r\n   * Stroke border\r\n   * @param {CanvasRenderingContext2D} ctx - Context\r\n   * @param {string|CanvasGradient|CanvasPattern} strokeStyle - Stroke-style\r\n   * @param {number} lineDashWidth - Dash width\r\n   * @param {number} [lineDashOffset] - Dash offset\r\n   * @param {number} [lineWidth] - line width\r\n   * @private\r\n   */\n  _strokeBorder(ctx, strokeStyle, {\n    lineDashWidth,\n    lineDashOffset,\n    lineWidth\n  }) {\n    const halfWidth = this.width / 2;\n    const halfHeight = this.height / 2;\n    ctx.save();\n    ctx.strokeStyle = strokeStyle;\n\n    if (ctx.setLineDash) {\n      ctx.setLineDash([lineDashWidth, lineDashWidth]);\n    }\n\n    if (lineDashOffset) {\n      ctx.lineDashOffset = lineDashOffset;\n    }\n\n    if (lineWidth) {\n      ctx.lineWidth = lineWidth;\n    }\n\n    ctx.beginPath();\n    ctx.moveTo(-halfWidth, -halfHeight);\n    ctx.lineTo(halfWidth, -halfHeight);\n    ctx.lineTo(halfWidth, halfHeight);\n    ctx.lineTo(-halfWidth, halfHeight);\n    ctx.lineTo(-halfWidth, -halfHeight);\n    ctx.stroke();\n    ctx.restore();\n  },\n\n  /**\r\n   * onMoving event listener\r\n   * @private\r\n   */\n  _onMoving() {\n    const {\n      height,\n      width,\n      left,\n      top\n    } = this;\n    const maxLeft = this.canvas.getWidth() - width;\n    const maxTop = this.canvas.getHeight() - height;\n    this.left = clamp(left, 0, maxLeft);\n    this.top = clamp(top, 0, maxTop);\n    this.canvasEventTrigger[events.OBJECT_MOVED](this);\n  },\n\n  /**\r\n   * onScaling event listener\r\n   * @param {{e: MouseEvent}} fEvent - Fabric event\r\n   * @private\r\n   */\n  _onScaling(fEvent) {\n    const selectedCorner = fEvent.transform.corner;\n    const pointer = this.canvas.getPointer(fEvent.e);\n\n    const settings = this._calcScalingSizeFromPointer(pointer, selectedCorner); // On scaling cropzone,\n    // change real width and height and fix scaleFactor to 1\n\n\n    this.scale(1).set(settings);\n    this.canvasEventTrigger[events.OBJECT_SCALED](this);\n  },\n\n  /**\r\n   * Calc scaled size from mouse pointer with selected corner\r\n   * @param {{x: number, y: number}} pointer - Mouse position\r\n   * @param {string} selectedCorner - selected corner type\r\n   * @returns {Object} Having left or(and) top or(and) width or(and) height.\r\n   * @private\r\n   */\n  _calcScalingSizeFromPointer(pointer, selectedCorner) {\n    const isCornerTypeValid = cornerTypeValid(selectedCorner);\n    return isCornerTypeValid && this._resizeCropZone(pointer, selectedCorner);\n  },\n\n  /**\r\n   * Align with cropzone ratio\r\n   * @param {number} width - cropzone width\r\n   * @param {number} height - cropzone height\r\n   * @param {number} maxWidth - limit max width\r\n   * @param {number} maxHeight - limit max height\r\n   * @param {number} scaleTo - cropzone ratio\r\n   * @returns {{width: number, height: number}}\r\n   * @private\r\n   */\n  adjustRatioCropzoneSize({\n    width,\n    height,\n    leftMaker,\n    topMaker,\n    maxWidth,\n    maxHeight,\n    scaleTo\n  }) {\n    width = maxWidth ? clamp(width, 1, maxWidth) : width;\n    height = maxHeight ? clamp(height, 1, maxHeight) : height;\n\n    if (!this.presetRatio) {\n      return {\n        width,\n        height,\n        left: leftMaker(width),\n        top: topMaker(height)\n      };\n    }\n\n    if (scaleTo === 'width') {\n      height = width / this.presetRatio;\n    } else {\n      width = height * this.presetRatio;\n    }\n\n    const maxScaleFactor = Math.min(maxWidth / width, maxHeight / height);\n\n    if (maxScaleFactor <= 1) {\n      [width, height] = [width, height].map(v => v * maxScaleFactor);\n    }\n\n    return {\n      width,\n      height,\n      left: leftMaker(width),\n      top: topMaker(height)\n    };\n  },\n\n  /**\r\n   * Get dimension last state cropzone\r\n   * @returns {{rectTop: number, rectLeft: number, rectWidth: number, rectHeight: number}}\r\n   * @private\r\n   */\n  _getCropzoneRectInfo() {\n    const {\n      width: canvasWidth,\n      height: canvasHeight\n    } = this.canvas;\n    const {\n      top: rectTop,\n      left: rectLeft,\n      width: rectWidth,\n      height: rectHeight\n    } = this.getBoundingRect(false, true);\n    return {\n      rectTop,\n      rectLeft,\n      rectWidth,\n      rectHeight,\n      rectRight: rectLeft + rectWidth,\n      rectBottom: rectTop + rectHeight,\n      canvasWidth,\n      canvasHeight\n    };\n  },\n\n  /**\r\n   * Calc scaling dimension\r\n   * @param {Object} position - Mouse position\r\n   * @param {string} corner - corner type\r\n   * @returns {{left: number, top: number, width: number, height: number}}\r\n   * @private\r\n   */\n  _resizeCropZone({\n    x,\n    y\n  }, corner) {\n    const {\n      rectWidth,\n      rectHeight,\n      rectTop,\n      rectLeft,\n      rectBottom,\n      rectRight,\n      canvasWidth,\n      canvasHeight\n    } = this._getCropzoneRectInfo();\n\n    const resizeInfoMap = {\n      tl: {\n        width: rectRight - x,\n        height: rectBottom - y,\n        leftMaker: newWidth => rectRight - newWidth,\n        topMaker: newHeight => rectBottom - newHeight,\n        maxWidth: rectRight,\n        maxHeight: rectBottom,\n        scaleTo: getScaleBasis(rectLeft - x, rectTop - y)\n      },\n      tr: {\n        width: x - rectLeft,\n        height: rectBottom - y,\n        leftMaker: () => rectLeft,\n        topMaker: newHeight => rectBottom - newHeight,\n        maxWidth: canvasWidth - rectLeft,\n        maxHeight: rectBottom,\n        scaleTo: getScaleBasis(x - rectRight, rectTop - y)\n      },\n      mt: {\n        width: rectWidth,\n        height: rectBottom - y,\n        leftMaker: () => rectLeft,\n        topMaker: newHeight => rectBottom - newHeight,\n        maxWidth: canvasWidth - rectLeft,\n        maxHeight: rectBottom,\n        scaleTo: 'height'\n      },\n      ml: {\n        width: rectRight - x,\n        height: rectHeight,\n        leftMaker: newWidth => rectRight - newWidth,\n        topMaker: () => rectTop,\n        maxWidth: rectRight,\n        maxHeight: canvasHeight - rectTop,\n        scaleTo: 'width'\n      },\n      mr: {\n        width: x - rectLeft,\n        height: rectHeight,\n        leftMaker: () => rectLeft,\n        topMaker: () => rectTop,\n        maxWidth: canvasWidth - rectLeft,\n        maxHeight: canvasHeight - rectTop,\n        scaleTo: 'width'\n      },\n      mb: {\n        width: rectWidth,\n        height: y - rectTop,\n        leftMaker: () => rectLeft,\n        topMaker: () => rectTop,\n        maxWidth: canvasWidth - rectLeft,\n        maxHeight: canvasHeight - rectTop,\n        scaleTo: 'height'\n      },\n      bl: {\n        width: rectRight - x,\n        height: y - rectTop,\n        leftMaker: newWidth => rectRight - newWidth,\n        topMaker: () => rectTop,\n        maxWidth: rectRight,\n        maxHeight: canvasHeight - rectTop,\n        scaleTo: getScaleBasis(rectLeft - x, y - rectBottom)\n      },\n      br: {\n        width: x - rectLeft,\n        height: y - rectTop,\n        leftMaker: () => rectLeft,\n        topMaker: () => rectTop,\n        maxWidth: canvasWidth - rectLeft,\n        maxHeight: canvasHeight - rectTop,\n        scaleTo: getScaleBasis(x - rectRight, y - rectBottom)\n      }\n    };\n    return this.adjustRatioCropzoneSize(resizeInfoMap[corner]);\n  },\n\n  /**\r\n   * Return the whether this cropzone is valid\r\n   * @returns {boolean}\r\n   */\n  isValid() {\n    return this.left >= 0 && this.top >= 0 && this.width > 0 && this.height > 0;\n  }\n\n});\nexport default Cropzone;\n\nvar _c;\n\n$RefreshReg$(_c, 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* @author NHN Ent. FE Development Team <dl_javascript@nhn.com>\r\n * @fileoverview Cropzone extending fabric.Rect\r\n */\r\nimport snippet from 'tui-code-snippet';\r\nimport fabric from 'fabric';\r\nimport { clamp } from '../util';\r\nimport { eventNames as events } from '../consts';\r\n\r\nconst CORNER_TYPE_TOP_LEFT = 'tl';\r\nconst CORNER_TYPE_TOP_RIGHT = 'tr';\r\nconst CORNER_TYPE_MIDDLE_TOP = 'mt';\r\nconst CORNER_TYPE_MIDDLE_LEFT = 'ml';\r\nconst CORNER_TYPE_MIDDLE_RIGHT = 'mr';\r\nconst CORNER_TYPE_MIDDLE_BOTTOM = 'mb';\r\nconst CORNER_TYPE_BOTTOM_LEFT = 'bl';\r\nconst CORNER_TYPE_BOTTOM_RIGHT = 'br';\r\nconst CORNER_TYPE_LIST = [\r\n  CORNER_TYPE_TOP_LEFT,\r\n  CORNER_TYPE_TOP_RIGHT,\r\n  CORNER_TYPE_MIDDLE_TOP,\r\n  CORNER_TYPE_MIDDLE_LEFT,\r\n  CORNER_TYPE_MIDDLE_RIGHT,\r\n  CORNER_TYPE_MIDDLE_BOTTOM,\r\n  CORNER_TYPE_BOTTOM_LEFT,\r\n  CORNER_TYPE_BOTTOM_RIGHT,\r\n];\r\nconst NOOP_FUNCTION = () => {};\r\n\r\n/**\r\n * Align with cropzone ratio\r\n * @param {string} selectedCorner - selected corner type\r\n * @returns {{width: number, height: number}}\r\n * @private\r\n */\r\nfunction cornerTypeValid(selectedCorner) {\r\n  return CORNER_TYPE_LIST.indexOf(selectedCorner) >= 0;\r\n}\r\n\r\n/**\r\n * return scale basis type\r\n * @param {number} diffX - X distance of the cursor and corner.\r\n * @param {number} diffY - Y distance of the cursor and corner.\r\n * @returns {string}\r\n * @private\r\n */\r\nfunction getScaleBasis(diffX, diffY) {\r\n  return diffX > diffY ? 'width' : 'height';\r\n}\r\n\r\n/**\r\n * Cropzone object\r\n * Issue: IE7, 8(with excanvas)\r\n *  - Cropzone is a black zone without transparency.\r\n * @class Cropzone\r\n * @extends {fabric.Rect}\r\n * @ignore\r\n */\r\nconst Cropzone = fabric.util.createClass(\r\n  fabric.Rect,\r\n  /** @lends Cropzone.prototype */ {\r\n    /**\r\n     * Constructor\r\n     * @param {Object} canvas canvas\r\n     * @param {Object} options Options object\r\n     * @param {Object} extendsOptions object for extends \"options\"\r\n     * @override\r\n     */\r\n    initialize(canvas, options, extendsOptions) {\r\n      options = snippet.extend(options, extendsOptions);\r\n      options.type = 'cropzone';\r\n\r\n      this.callSuper('initialize', options);\r\n      this._addEventHandler();\r\n\r\n      this.canvas = canvas;\r\n      this.options = options;\r\n    },\r\n    canvasEventDelegation(eventName) {\r\n      let delegationState = 'unregisted';\r\n      const isRegisted = this.canvasEventTrigger[eventName] !== NOOP_FUNCTION;\r\n      if (isRegisted) {\r\n        delegationState = 'registed';\r\n      } else if ([events.OBJECT_MOVED, events.OBJECT_SCALED].indexOf(eventName) < 0) {\r\n        delegationState = 'none';\r\n      }\r\n\r\n      return delegationState;\r\n    },\r\n    canvasEventRegister(eventName, eventTrigger) {\r\n      this.canvasEventTrigger[eventName] = eventTrigger;\r\n    },\r\n    _addEventHandler() {\r\n      this.canvasEventTrigger = {\r\n        [events.OBJECT_MOVED]: NOOP_FUNCTION,\r\n        [events.OBJECT_SCALED]: NOOP_FUNCTION,\r\n      };\r\n      this.on({\r\n        moving: this._onMoving.bind(this),\r\n        scaling: this._onScaling.bind(this),\r\n      });\r\n    },\r\n    _renderCropzone(ctx) {\r\n      const cropzoneDashLineWidth = 7;\r\n      const cropzoneDashLineOffset = 7;\r\n\r\n      // Calc original scale\r\n      const originalFlipX = this.flipX ? -1 : 1;\r\n      const originalFlipY = this.flipY ? -1 : 1;\r\n      const originalScaleX = originalFlipX / this.scaleX;\r\n      const originalScaleY = originalFlipY / this.scaleY;\r\n\r\n      // Set original scale\r\n      ctx.scale(originalScaleX, originalScaleY);\r\n\r\n      // Render outer rect\r\n      this._fillOuterRect(ctx, 'rgba(0, 0, 0, 0.5)');\r\n\r\n      if (this.options.lineWidth) {\r\n        this._fillInnerRect(ctx);\r\n        this._strokeBorder(ctx, 'rgb(255, 255, 255)', {\r\n          lineWidth: this.options.lineWidth,\r\n        });\r\n      } else {\r\n        // Black dash line\r\n        this._strokeBorder(ctx, 'rgb(0, 0, 0)', {\r\n          lineDashWidth: cropzoneDashLineWidth,\r\n        });\r\n\r\n        // White dash line\r\n        this._strokeBorder(ctx, 'rgb(255, 255, 255)', {\r\n          lineDashWidth: cropzoneDashLineWidth,\r\n          lineDashOffset: cropzoneDashLineOffset,\r\n        });\r\n      }\r\n\r\n      // Reset scale\r\n      ctx.scale(1 / originalScaleX, 1 / originalScaleY);\r\n    },\r\n\r\n    /**\r\n     * Render Crop-zone\r\n     * @private\r\n     * @override\r\n     */\r\n    _render(ctx) {\r\n      this.callSuper('_render', ctx);\r\n\r\n      this._renderCropzone(ctx);\r\n    },\r\n\r\n    /**\r\n     * Cropzone-coordinates with outer rectangle\r\n     *\r\n     *     x0     x1         x2      x3\r\n     *  y0 +--------------------------+\r\n     *     |///////|//////////|///////|    // <--- \"Outer-rectangle\"\r\n     *     |///////|//////////|///////|\r\n     *  y1 +-------+----------+-------+\r\n     *     |///////| Cropzone |///////|    Cropzone is the \"Inner-rectangle\"\r\n     *     |///////|  (0, 0)  |///////|    Center point (0, 0)\r\n     *  y2 +-------+----------+-------+\r\n     *     |///////|//////////|///////|\r\n     *     |///////|//////////|///////|\r\n     *  y3 +--------------------------+\r\n     *\r\n     * @typedef {{x: Array<number>, y: Array<number>}} cropzoneCoordinates\r\n     * @ignore\r\n     */\r\n\r\n    /**\r\n     * Fill outer rectangle\r\n     * @param {CanvasRenderingContext2D} ctx - Context\r\n     * @param {string|CanvasGradient|CanvasPattern} fillStyle - Fill-style\r\n     * @private\r\n     */\r\n    _fillOuterRect(ctx, fillStyle) {\r\n      const { x, y } = this._getCoordinates();\r\n\r\n      ctx.save();\r\n      ctx.fillStyle = fillStyle;\r\n      ctx.beginPath();\r\n\r\n      // Outer rectangle\r\n      // Numbers are +/-1 so that overlay edges don't get blurry.\r\n      ctx.moveTo(x[0] - 1, y[0] - 1);\r\n      ctx.lineTo(x[3] + 1, y[0] - 1);\r\n      ctx.lineTo(x[3] + 1, y[3] + 1);\r\n      ctx.lineTo(x[0] - 1, y[3] + 1);\r\n      ctx.lineTo(x[0] - 1, y[0] - 1);\r\n      ctx.closePath();\r\n\r\n      // Inner rectangle\r\n      ctx.moveTo(x[1], y[1]);\r\n      ctx.lineTo(x[1], y[2]);\r\n      ctx.lineTo(x[2], y[2]);\r\n      ctx.lineTo(x[2], y[1]);\r\n      ctx.lineTo(x[1], y[1]);\r\n      ctx.closePath();\r\n\r\n      ctx.fill();\r\n      ctx.restore();\r\n    },\r\n\r\n    /**\r\n     * Draw Inner grid line\r\n     * @param {CanvasRenderingContext2D} ctx - Context\r\n     * @private\r\n     */\r\n    _fillInnerRect(ctx) {\r\n      const { x: outerX, y: outerY } = this._getCoordinates();\r\n      const x = this._caculateInnerPosition(outerX, (outerX[2] - outerX[1]) / 3);\r\n      const y = this._caculateInnerPosition(outerY, (outerY[2] - outerY[1]) / 3);\r\n\r\n      ctx.save();\r\n      ctx.strokeStyle = 'rgba(255, 255, 255, 0.7)';\r\n      ctx.lineWidth = this.options.lineWidth;\r\n      ctx.beginPath();\r\n\r\n      ctx.moveTo(x[0], y[1]);\r\n      ctx.lineTo(x[3], y[1]);\r\n\r\n      ctx.moveTo(x[0], y[2]);\r\n      ctx.lineTo(x[3], y[2]);\r\n\r\n      ctx.moveTo(x[1], y[0]);\r\n      ctx.lineTo(x[1], y[3]);\r\n\r\n      ctx.moveTo(x[2], y[0]);\r\n      ctx.lineTo(x[2], y[3]);\r\n      ctx.stroke();\r\n      ctx.closePath();\r\n\r\n      ctx.restore();\r\n    },\r\n\r\n    /**\r\n     * Calculate Inner Position\r\n     * @param {Array} outer - outer position\r\n     * @param {number} size - interval for calculate\r\n     * @returns {Array} - inner position\r\n     * @private\r\n     */\r\n    _caculateInnerPosition(outer, size) {\r\n      const position = [];\r\n      position[0] = outer[1];\r\n      position[1] = outer[1] + size;\r\n      position[2] = outer[1] + size * 2;\r\n      position[3] = outer[2];\r\n\r\n      return position;\r\n    },\r\n\r\n    /**\r\n     * Get coordinates\r\n     * @returns {cropzoneCoordinates} - {@link cropzoneCoordinates}\r\n     * @private\r\n     */\r\n    _getCoordinates() {\r\n      const { canvas, width, height, left, top } = this;\r\n      const halfWidth = width / 2;\r\n      const halfHeight = height / 2;\r\n      const canvasHeight = canvas.getHeight(); // fabric object\r\n      const canvasWidth = canvas.getWidth(); // fabric object\r\n\r\n      return {\r\n        x: snippet.map(\r\n          [\r\n            -(halfWidth + left), // x0\r\n            -halfWidth, // x1\r\n            halfWidth, // x2\r\n            halfWidth + (canvasWidth - left - width), // x3\r\n          ],\r\n          Math.ceil\r\n        ),\r\n        y: snippet.map(\r\n          [\r\n            -(halfHeight + top), // y0\r\n            -halfHeight, // y1\r\n            halfHeight, // y2\r\n            halfHeight + (canvasHeight - top - height), // y3\r\n          ],\r\n          Math.ceil\r\n        ),\r\n      };\r\n    },\r\n\r\n    /**\r\n     * Stroke border\r\n     * @param {CanvasRenderingContext2D} ctx - Context\r\n     * @param {string|CanvasGradient|CanvasPattern} strokeStyle - Stroke-style\r\n     * @param {number} lineDashWidth - Dash width\r\n     * @param {number} [lineDashOffset] - Dash offset\r\n     * @param {number} [lineWidth] - line width\r\n     * @private\r\n     */\r\n    _strokeBorder(ctx, strokeStyle, { lineDashWidth, lineDashOffset, lineWidth }) {\r\n      const halfWidth = this.width / 2;\r\n      const halfHeight = this.height / 2;\r\n\r\n      ctx.save();\r\n      ctx.strokeStyle = strokeStyle;\r\n\r\n      if (ctx.setLineDash) {\r\n        ctx.setLineDash([lineDashWidth, lineDashWidth]);\r\n      }\r\n      if (lineDashOffset) {\r\n        ctx.lineDashOffset = lineDashOffset;\r\n      }\r\n      if (lineWidth) {\r\n        ctx.lineWidth = lineWidth;\r\n      }\r\n\r\n      ctx.beginPath();\r\n      ctx.moveTo(-halfWidth, -halfHeight);\r\n      ctx.lineTo(halfWidth, -halfHeight);\r\n      ctx.lineTo(halfWidth, halfHeight);\r\n      ctx.lineTo(-halfWidth, halfHeight);\r\n      ctx.lineTo(-halfWidth, -halfHeight);\r\n      ctx.stroke();\r\n\r\n      ctx.restore();\r\n    },\r\n\r\n    /**\r\n     * onMoving event listener\r\n     * @private\r\n     */\r\n    _onMoving() {\r\n      const { height, width, left, top } = this;\r\n      const maxLeft = this.canvas.getWidth() - width;\r\n      const maxTop = this.canvas.getHeight() - height;\r\n\r\n      this.left = clamp(left, 0, maxLeft);\r\n      this.top = clamp(top, 0, maxTop);\r\n\r\n      this.canvasEventTrigger[events.OBJECT_MOVED](this);\r\n    },\r\n\r\n    /**\r\n     * onScaling event listener\r\n     * @param {{e: MouseEvent}} fEvent - Fabric event\r\n     * @private\r\n     */\r\n    _onScaling(fEvent) {\r\n      const selectedCorner = fEvent.transform.corner;\r\n      const pointer = this.canvas.getPointer(fEvent.e);\r\n      const settings = this._calcScalingSizeFromPointer(pointer, selectedCorner);\r\n\r\n      // On scaling cropzone,\r\n      // change real width and height and fix scaleFactor to 1\r\n      this.scale(1).set(settings);\r\n\r\n      this.canvasEventTrigger[events.OBJECT_SCALED](this);\r\n    },\r\n\r\n    /**\r\n     * Calc scaled size from mouse pointer with selected corner\r\n     * @param {{x: number, y: number}} pointer - Mouse position\r\n     * @param {string} selectedCorner - selected corner type\r\n     * @returns {Object} Having left or(and) top or(and) width or(and) height.\r\n     * @private\r\n     */\r\n    _calcScalingSizeFromPointer(pointer, selectedCorner) {\r\n      const isCornerTypeValid = cornerTypeValid(selectedCorner);\r\n\r\n      return isCornerTypeValid && this._resizeCropZone(pointer, selectedCorner);\r\n    },\r\n\r\n    /**\r\n     * Align with cropzone ratio\r\n     * @param {number} width - cropzone width\r\n     * @param {number} height - cropzone height\r\n     * @param {number} maxWidth - limit max width\r\n     * @param {number} maxHeight - limit max height\r\n     * @param {number} scaleTo - cropzone ratio\r\n     * @returns {{width: number, height: number}}\r\n     * @private\r\n     */\r\n    adjustRatioCropzoneSize({ width, height, leftMaker, topMaker, maxWidth, maxHeight, scaleTo }) {\r\n      width = maxWidth ? clamp(width, 1, maxWidth) : width;\r\n      height = maxHeight ? clamp(height, 1, maxHeight) : height;\r\n\r\n      if (!this.presetRatio) {\r\n        return {\r\n          width,\r\n          height,\r\n          left: leftMaker(width),\r\n          top: topMaker(height),\r\n        };\r\n      }\r\n\r\n      if (scaleTo === 'width') {\r\n        height = width / this.presetRatio;\r\n      } else {\r\n        width = height * this.presetRatio;\r\n      }\r\n\r\n      const maxScaleFactor = Math.min(maxWidth / width, maxHeight / height);\r\n      if (maxScaleFactor <= 1) {\r\n        [width, height] = [width, height].map((v) => v * maxScaleFactor);\r\n      }\r\n\r\n      return {\r\n        width,\r\n        height,\r\n        left: leftMaker(width),\r\n        top: topMaker(height),\r\n      };\r\n    },\r\n\r\n    /**\r\n     * Get dimension last state cropzone\r\n     * @returns {{rectTop: number, rectLeft: number, rectWidth: number, rectHeight: number}}\r\n     * @private\r\n     */\r\n    _getCropzoneRectInfo() {\r\n      const { width: canvasWidth, height: canvasHeight } = this.canvas;\r\n      const {\r\n        top: rectTop,\r\n        left: rectLeft,\r\n        width: rectWidth,\r\n        height: rectHeight,\r\n      } = this.getBoundingRect(false, true);\r\n\r\n      return {\r\n        rectTop,\r\n        rectLeft,\r\n        rectWidth,\r\n        rectHeight,\r\n        rectRight: rectLeft + rectWidth,\r\n        rectBottom: rectTop + rectHeight,\r\n        canvasWidth,\r\n        canvasHeight,\r\n      };\r\n    },\r\n\r\n    /**\r\n     * Calc scaling dimension\r\n     * @param {Object} position - Mouse position\r\n     * @param {string} corner - corner type\r\n     * @returns {{left: number, top: number, width: number, height: number}}\r\n     * @private\r\n     */\r\n    _resizeCropZone({ x, y }, corner) {\r\n      const {\r\n        rectWidth,\r\n        rectHeight,\r\n        rectTop,\r\n        rectLeft,\r\n        rectBottom,\r\n        rectRight,\r\n        canvasWidth,\r\n        canvasHeight,\r\n      } = this._getCropzoneRectInfo();\r\n\r\n      const resizeInfoMap = {\r\n        tl: {\r\n          width: rectRight - x,\r\n          height: rectBottom - y,\r\n          leftMaker: (newWidth) => rectRight - newWidth,\r\n          topMaker: (newHeight) => rectBottom - newHeight,\r\n          maxWidth: rectRight,\r\n          maxHeight: rectBottom,\r\n          scaleTo: getScaleBasis(rectLeft - x, rectTop - y),\r\n        },\r\n        tr: {\r\n          width: x - rectLeft,\r\n          height: rectBottom - y,\r\n          leftMaker: () => rectLeft,\r\n          topMaker: (newHeight) => rectBottom - newHeight,\r\n          maxWidth: canvasWidth - rectLeft,\r\n          maxHeight: rectBottom,\r\n          scaleTo: getScaleBasis(x - rectRight, rectTop - y),\r\n        },\r\n        mt: {\r\n          width: rectWidth,\r\n          height: rectBottom - y,\r\n          leftMaker: () => rectLeft,\r\n          topMaker: (newHeight) => rectBottom - newHeight,\r\n          maxWidth: canvasWidth - rectLeft,\r\n          maxHeight: rectBottom,\r\n          scaleTo: 'height',\r\n        },\r\n        ml: {\r\n          width: rectRight - x,\r\n          height: rectHeight,\r\n          leftMaker: (newWidth) => rectRight - newWidth,\r\n          topMaker: () => rectTop,\r\n          maxWidth: rectRight,\r\n          maxHeight: canvasHeight - rectTop,\r\n          scaleTo: 'width',\r\n        },\r\n        mr: {\r\n          width: x - rectLeft,\r\n          height: rectHeight,\r\n          leftMaker: () => rectLeft,\r\n          topMaker: () => rectTop,\r\n          maxWidth: canvasWidth - rectLeft,\r\n          maxHeight: canvasHeight - rectTop,\r\n          scaleTo: 'width',\r\n        },\r\n        mb: {\r\n          width: rectWidth,\r\n          height: y - rectTop,\r\n          leftMaker: () => rectLeft,\r\n          topMaker: () => rectTop,\r\n          maxWidth: canvasWidth - rectLeft,\r\n          maxHeight: canvasHeight - rectTop,\r\n          scaleTo: 'height',\r\n        },\r\n        bl: {\r\n          width: rectRight - x,\r\n          height: y - rectTop,\r\n          leftMaker: (newWidth) => rectRight - newWidth,\r\n          topMaker: () => rectTop,\r\n          maxWidth: rectRight,\r\n          maxHeight: canvasHeight - rectTop,\r\n          scaleTo: getScaleBasis(rectLeft - x, y - rectBottom),\r\n        },\r\n        br: {\r\n          width: x - rectLeft,\r\n          height: y - rectTop,\r\n          leftMaker: () => rectLeft,\r\n          topMaker: () => rectTop,\r\n          maxWidth: canvasWidth - rectLeft,\r\n          maxHeight: canvasHeight - rectTop,\r\n          scaleTo: getScaleBasis(x - rectRight, y - rectBottom),\r\n        },\r\n      };\r\n\r\n      return this.adjustRatioCropzoneSize(resizeInfoMap[corner]);\r\n    },\r\n\r\n    /**\r\n     * Return the whether this cropzone is valid\r\n     * @returns {boolean}\r\n     */\r\n    isValid() {\r\n      return this.left >= 0 && this.top >= 0 && this.width > 0 && this.height > 0;\r\n    },\r\n  }\r\n);\r\n\r\nexport default Cropzone;\r\n"]},"metadata":{},"sourceType":"module"}