Merge pull request #45 from browngraphicslab/inking

Inking

1 files changed, 47 insertions, 0 deletions

diff --git a/src/fields/InkField.ts b/src/fields/InkField.ts
new file mode 100644
index 000000000..a475e2aae
--- /dev/null
+++ b/src/fields/InkField.ts
@@ -0,0 +1,47 @@
+import { BasicField } from "./BasicField";
+import { Types } from "../server/Message";
+import { FieldId } from "./Field";
+
+export enum InkTool {
+    None,
+    Pen,
+    Highlighter,
+    Eraser
+}
+export interface StrokeData {
+    pathData: Array<{ x: number, y: number }>;
+    color: string;
+    width: string;
+    tool: InkTool;
+}
+export type StrokeMap = Map<string, StrokeData>;
+
+export class InkField extends BasicField<StrokeMap> {
+    constructor(data: StrokeMap = new Map, id?: FieldId, save: boolean = true) {
+        super(data, save, id);
+    }
+
+    ToScriptString(): string {
+        return `new InkField("${this.Data}")`;
+    }
+
+    Copy() {
+        return new InkField(this.Data);
+    }
+
+    ToJson(): { _id: string; type: Types; data: any; } {
+        return {
+            type: Types.Ink,
+            data: this.Data,
+            _id: this.Id,
+        }
+    }
+
+    static FromJson(id: string, data: any): InkField {
+        let map = new Map<string, StrokeData>();
+        Object.keys(data).forEach(key => {
+            map.set(key, data[key]);
+        });
+        return new InkField(map, id, false);
+    }
+}
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