jPolygon/example.html at master · jeanphilippegoldman/jPolygon · GitHub

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<!DOCTYPE html>
<html>
    <head>
        <title>Example using jPolygon</title>
        <meta charset="UTF-8">
        <meta name="description" content="An example using jPolygon">
        <meta name="keywords" content="HTML,CSS,JavaScript,jPolygon">
        <meta name="author" content="Matteo Mattei">
    </head>
    <body onload="clear_canvas()">
        <div style="float:left">
            <canvas id="jPolygon" style="cursor:crosshair" data-imgsrc="image.jpg" onmousedown="press(event)" onmousemove="move(event)" onmouseup="release()" oncontextmenu="return false;">
                Your browser does not support the HTML5 canvas tag.
            </canvas>
        </div>
        <div style="float:left; margin-left:20px;">
            <div>
                <button onclick="undo()">Undo</button>
                <button onclick="clear_canvas()">Clear</button>
                <select id="tool"><option value="rect">Rectangle</option><option value="polygon">Polygon</option></select>
                <p>Press <strong>Left Click</strong> to draw a point.</p>
                <p><strong>CTRL+Click</strong> or <strong>Right Click</strong> to close the polygon.</p>
            </div>
            <div>
                <p><strong>Coordinates:</strong></p>
                <textarea id="coordinates" disabled="disabled" style="width:300px; height:200px;"></textarea>
            </div>
            <div>
              <p><strong>Frames completed:</strong></p>
              <textarea id="frames" disabled="disabled" style="width:300px; height:20px;"></textarea><br>
              <button onclick="validate_frame()">Validate</button>
              <button onclick="pop_frame()">Pop</button>
              <button onclick="clear_all_frame()">Clear all</button>
            </div>
            <div>
                <a href="https://github.com/jeanphilippegoldman/jPolygon">source code</a></p>
            </div>
        </div>
        <script type="text/javascript" src="jPolygon.js"></script>
    </body>
</html>