All files / src/app/editor fabric.custom.ts

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import 'fabric';
declare const fabric: any;
 
export class FabricCustom {
 
  private constructor() { /* noop */ }
 
  //TODO: selectable, evented, retextName возможно не нужны
  public static  initCustomization() {
    fabric.Object.prototype.transparentCorners = false;
    fabric.Object.prototype.cornerStyle = 'circle';
    fabric.Text.prototype.objectCaching = false;   // Отключить кеширование для текста
 
    fabric.Object.NUM_FRACTION_DIGITS = 5;
 
 
    fabric.ActiveSelection.prototype.toFrameGroup = (function(toFrameGroup) {
        return function() {
        const objects = this._objects.concat();
        this._objects = [];
        const options = fabric.Object.prototype.toObject.call(this);
        const newGroup = new fabric.FrameGroup([]);
        delete options.type;
        newGroup.set(options);
        objects.forEach(function(object) {
        object.canvas.remove(object);
        object.group = newGroup;
        });
        newGroup._objects = objects;
        if (!this.canvas) {
        return newGroup;
        }
        const canvas = this.canvas;
        canvas.add(newGroup);
        canvas._activeObject = newGroup;
        newGroup.setCoords();
        return newGroup;
      };
      })(fabric.ActiveSelection.prototype.toFrameGroup);
 
 
    fabric.Image.prototype.toObject = (function(toObject) {
      return function() {
        return fabric.util.object.extend(toObject.call(this), {
          selectable: this.selectable,
          evented: this.evented,
          lockMovementX: this.lockMovementX,
          lockMovementY: this.lockMovementY,
          retextName: this.retextName
        });
      };
    })(fabric.Image.prototype.toObject);
 
 
    fabric.Group.prototype.toObject = (function(toObject) {
      return function() {
        return fabric.util.object.extend(toObject.call(this), {
          selectable: this.selectable,
          evented: this.evented,
          lockMovementX: this.lockMovementX,
          lockMovementY: this.lockMovementY
        });
      };
    })(fabric.Group.prototype.toObject);
 
    fabric.Rect.prototype.toObject = (function(toObject) {
      return function() {
        return fabric.util.object.extend(toObject.call(this), {
          selectable: this.selectable,
          evented: this.evented,
          lockMovementX: this.lockMovementX,
          lockMovementY: this.lockMovementY
        });
      };
    })(fabric.Rect.prototype.toObject);
 
 
    fabric.Circle.prototype.toObject = (function(toObject) {
      return function() {
        return fabric.util.object.extend(toObject.call(this), {
          selectable: this.selectable,
          evented: this.evented,
          lockMovementX: this.lockMovementX,
          lockMovementY: this.lockMovementY
        });
      };
    })(fabric.Circle.prototype.toObject);
 
    fabric.Path.prototype.toObject = (function(toObject) {
      return function() {
        return fabric.util.object.extend(toObject.call(this), {
          selectable: this.selectable,
          evented: this.evented,
          lockMovementX: this.lockMovementX,
          lockMovementY: this.lockMovementY
        });
      };
    })(fabric.Path.prototype.toObject);
 
  /*
    if (isRasterizeSvg) {
      fabric.Image.prototype.getSvgSrc = function() {
        return this.toDataURLforSVG();
      };
 
      fabric.Image.prototype.toDataURLforSVG = function(options) {
        var el = fabric.util.createCanvasElement();
        el.width = this._element.naturalWidth;
        el.height = this._element.naturalHeight;
        el.getContext("2d").drawImage(this._element, 0, 0);
        var data = el.toDataURL(options);
        return data;
      };
    }
  */
 
    fabric.Pattern.prototype.toSVG = (function(toSVG) {
      return function(object) {
 
        let patternSource = typeof this.source === 'function' ? this.source() : this.source,
          patternWidth = patternSource.width / object.width,
          patternHeight = patternSource.height / object.height,
          patternOffsetX = this.offsetX / object.width,
          patternOffsetY = this.offsetY / object.height,
          patternImgSrc = '';
        if (this.repeat === 'repeat-x' || this.repeat === 'no-repeat') {
          patternHeight = 1;
        }
        if (this.repeat === 'repeat-y' || this.repeat === 'no-repeat') {
 
          patternWidth = 1;
        }
        if (patternSource.src) {
          patternImgSrc = patternSource.src;
        } else if (patternSource.toDataURL) {
          patternImgSrc = patternSource.toDataURL();
        }
 
        return '<pattern id="SVGID_' + this.id +
          '" x="' + 0 +
          '" y="' + 0 +
          '" width="' + patternWidth +
          '" height="' + patternHeight + '">\n' +
          '<image x="' + patternSource.width * patternOffsetX + '" y="' + patternSource.height * patternOffsetX + '"' +
          ' width="' + (patternSource.width) +
          '" height="' + (patternSource.height) +
          '" xlink:href="' + patternImgSrc +
          '"></image>\n' +
          '</pattern>\n';
 
      };
    })(fabric.Pattern.prototype.toSVG);
  }
 
}