Additional types

src/constants/dotTypes.ts

@@ -3,6 +3,7 @@ import { DotTypes } from "../types";
 export default {
   dots: "dots",
   rounded: "rounded",
+  verticalLines: "vertical-lines",
   classy: "classy",
   classyRounded: "classy-rounded",
   square: "square",

src/figures/dot/QRDot.ts

@@ -28,6 +28,9 @@ export default class QRDot {
       case dotTypes.rounded:
         drawFunction = this._drawRounded;
         break;
+      case dotTypes.verticalLines:
+        drawFunction = this._drawVerticalLines;
+        break;
       case dotTypes.extraRounded:
         drawFunction = this._drawExtraRounded;
         break;
@@ -212,6 +215,40 @@ export default class QRDot {
     }
   }
 
+  _drawVerticalLines({ x, y, size, getNeighbor }: DrawArgs): void {
+    const leftNeighbor = getNeighbor ? +getNeighbor(-1, 0) : 0;
+    const rightNeighbor = getNeighbor ? +getNeighbor(1, 0) : 0;
+    const topNeighbor = getNeighbor ? +getNeighbor(0, -1) : 0;
+    const bottomNeighbor = getNeighbor ? +getNeighbor(0, 1) : 0;
+
+    const neighborsCount = leftNeighbor + rightNeighbor + topNeighbor + bottomNeighbor;
+
+    if (
+      neighborsCount === 0 ||
+      (leftNeighbor && !(topNeighbor || bottomNeighbor)) ||
+      (rightNeighbor && !(topNeighbor || bottomNeighbor))
+    ) {
+      this._basicDot({ x, y, size, rotation: 0 });
+      return;
+    }
+
+    if (topNeighbor && bottomNeighbor) {
+      this._basicSquare({ x, y, size, rotation: 0 });
+      return;
+    }
+
+    if (topNeighbor && !bottomNeighbor) {
+      const rotation = Math.PI / 2;
+      this._basicSideRounded({ x, y, size, rotation });
+      return;
+    }
+
+    if (bottomNeighbor && !topNeighbor) {
+      const rotation = -Math.PI / 2;
+      this._basicSideRounded({ x, y, size, rotation });
+      return;
+    }
+  }
   _drawExtraRounded({ x, y, size, getNeighbor }: DrawArgs): void {
     const leftNeighbor = getNeighbor ? +getNeighbor(-1, 0) : 0;
     const rightNeighbor = getNeighbor ? +getNeighbor(1, 0) : 0;

src/types/index.ts

@@ -3,7 +3,7 @@ export interface UnknownObject {
   [key: string]: any;
 }
 
-export type DotType = "dots" | "rounded" | "classy" | "classy-rounded" | "square" | "extra-rounded";
+export type DotType = "dots" | "rounded" | "vertical-lines" | "classy" | "classy-rounded" | "square" | "extra-rounded";
 export type CornerDotType = "dot" | "square";
 export type CornerSquareType = "dot" | "square" | "extra-rounded";
 export type FileExtension = "svg" | "png" | "jpeg" | "webp";