50 lines
1.4 KiB
C#
50 lines
1.4 KiB
C#
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using Ooui;
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namespace Samples
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{
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public class DrawSample
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{
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public void Publish ()
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{
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var heading = new Heading ("Draw");
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var subtitle = new Paragraph ("Click to draw a collaborative masterpiece");
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var canvas = new Canvas {
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Width = 320,
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Height = 240,
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};
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var context = canvas.GetContext2D ();
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canvas.Clicked += (s, e) => {
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context.BeginPath ();
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context.Rect (e.OffsetX - 5, e.OffsetY - 5, 10, 10);
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context.Fill ();
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};
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canvas.Style.Cursor = "pointer";
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canvas.Style.BorderColor = "#CCC";
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canvas.Style.BorderStyle = "solid";
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canvas.Style.BorderWidth = "1px";
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var clearbtn = new Button ("Clear") {
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Type = ButtonType.Submit,
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ClassName = "btn btn-danger",
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};
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clearbtn.Clicked += (s, e) => {
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context.ClearRect (0, 0, canvas.Width, canvas.Height);
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};
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clearbtn.Style.Display = "block";
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var app = new Div ();
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app.AppendChild (heading);
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app.AppendChild (subtitle);
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app.AppendChild (canvas);
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app.AppendChild (clearbtn);
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UI.Publish ("/draw", app);
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}
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}
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}
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