feat(ROI): add new property filledSurface (#314)

feat(ROI): add new property filledSurface (#314)

* test: update snapshots with filledSurface property

* refactor: calculate filledSurface without helper function

* chore: fix prettier error

Author: EscapedGibbon

src/roi/Roi.ts

@@ -275,6 +275,10 @@ export class Roi {
     return (2 * Math.sqrt(this.surface * Math.PI)) / this.perimeter;
   }
 
+  get filledSurface() {
+    return this.surface + this.holesInfo.surface;
+  }
+
   /**
    * Calculates solidity of the ROI
    */
@@ -327,6 +331,7 @@ export class Roi {
       perimeter: this.perimeter,
       convexHull: this.convexHull,
       mbr: this.mbr,
+      filledSurface: this.filledSurface,
       centroid: this.centroid,
     };
   }

src/roi/__tests__/__snapshots__/computeRois.test.ts.snap

@@ -66,6 +66,7 @@ exports[`3x3 mask 1`] = `
       },
     },
     "fillRatio": 1,
+    "filledSurface": 4,
     "height": 2,
     "id": 1,
     "mbr": {
@@ -165,6 +166,7 @@ exports[`3x3 mask 1`] = `
       },
     },
     "fillRatio": 1,
+    "filledSurface": 1,
     "height": 1,
     "id": 2,
     "mbr": {
@@ -277,6 +279,7 @@ exports[`3x3 mask 2`] = `
       },
     },
     "fillRatio": 1,
+    "filledSurface": 4,
     "height": 2,
     "id": -1,
     "mbr": {