From c6781458648c4265f2f995be526529be54312f54 Mon Sep 17 00:00:00 2001
From: Fawn <fangrui_tong@brown.edu>
Date: Wed, 6 Mar 2019 18:58:00 -0500
Subject: all inking code

---
 src/client/views/InkingStroke.tsx | 66 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)
 create mode 100644 src/client/views/InkingStroke.tsx

(limited to 'src/client/views/InkingStroke.tsx')

diff --git a/src/client/views/InkingStroke.tsx b/src/client/views/InkingStroke.tsx
new file mode 100644
index 000000000..76ea7f084
--- /dev/null
+++ b/src/client/views/InkingStroke.tsx
@@ -0,0 +1,66 @@
+import { observer } from "mobx-react";
+import { observable } from "mobx";
+import { InkingControl } from "./InkingControl";
+import { InkTool } from "../../fields/InkField";
+import React = require("react");
+
+
+interface StrokeProps {
+    id: number;
+    line: Array<{ x: number, y: number }>;
+    color: string;
+    width: string;
+    tool: InkTool;
+    deleteCallback: (index: number) => void;
+}
+
+@observer
+export class InkingStroke extends React.Component<StrokeProps> {
+
+    @observable private _strokeTool: InkTool = this.props.tool;
+    @observable private _strokeColor: string = this.props.color;
+    @observable private _strokeWidth: string = this.props.width;
+
+    private _canvasColor: string = "#cdcdcd";
+
+    deleteStroke = (e: React.MouseEvent): void => {
+        if (InkingControl.getInstance().selectedTool === InkTool.Eraser && e.buttons === 1) {
+            this.props.deleteCallback(this.props.id);
+        }
+    }
+
+    parseData = (line: Array<{ x: number, y: number }>): string => {
+        if (line.length === 0) {
+            return "";
+        }
+        const pathData = "M " +
+            line.map(p => {
+                return p.x + " " + p.y;
+            }).join(" L ");
+        return pathData;
+    }
+
+    createStyle() {
+        switch (this._strokeTool) {
+            // add more tool styles here
+            default:
+                return {
+                    fill: "none",
+                    stroke: this._strokeColor,
+                    strokeWidth: this._strokeWidth + "px",
+                }
+        }
+    }
+
+
+    render() {
+        let pathStyle = this.createStyle();
+        let pathData = this.parseData(this.props.line);
+
+        return (
+            <path className={(this._strokeTool === InkTool.Highlighter) ? "highlight" : ""}
+                d={pathData} style={pathStyle} strokeLinejoin="round" strokeLinecap="round"
+                onMouseOver={this.deleteStroke} />
+        )
+    }
+}
\ No newline at end of file
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