DIR : /home/kozerus/public_html/go/konva_stage.html

/home/kozerus/public_html/go

Konva Load Complex Stage Demo
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<!DOCTYPE html>
<html>
  <head>
    <script src="https://unpkg.com/konva@8.3.1/konva.min.js"></script>
    <meta charset="utf-8" />
    <title>Konva Load Complex Stage Demo</title>
    <style>
      body {
        margin: 0;
        padding: 0;
        overflow: hidden;
        background-color: #f0f0f0;
      }
    </style>
  </head>
  <body>
    <div id="container"></div>
    <script>
      var json =
        '{"attrs":{"width":578,"height":200},"className":"Stage","children":[{"attrs":{},"className":"Layer","children":[{"attrs":{"width":"auto","height":"auto","text":"Text Shadow!","fontFamily":"Calibri","fontSize":95,"x":20,"y":20,"stroke":"red","strokeWidth":2,"shadowColor":"black","shadowBlur":2,"shadowOffsetX":10,"shadowOffsetY":10,"shadowOpacity":0.5},"className":"Text"},{"attrs":{"stroke":"green","strokeWidth":10,"lineJoin":"round","lineCap":"round","points":[{"x":50,"y":140},{"x":450,"y":160}],"shadowColor":"black","shadowBlur":10,"shadowOffsetX":5,"shadowOffsetY":5,"shadowOpacity":0.5},"className":"Line"},{"attrs":{"x":280,"y":100,"width":100,"height":50,"fill":"#00D2FF","stroke":"black","strokeWidth":4,"shadowColor":"black","shadowBlur":10,"shadowOffsetX":5,"shadowOffsetY":5,"shadowOpacity":0.5,"rotation":0.35038503988659,"id":"blueRectangle"},"className":"Rect"},{"attrs":{"x":100,"y":41,"width":106,"height":118,"id":"yodaImage"},"className":"Image"}]}]}';

      var stage = Konva.Node.create(json, 'container');

      /*
       * set functions
       */
      stage.findOne('#blueRectangle').on('mouseover mouseout', function () {
        var stroke = this.stroke();
        this.stroke(stroke === 'black' ? 'red' : 'black');
      });
      /*
       * set images
       */
      var imageObj = new Image();
      imageObj.onload = function () {
        stage.findOne('#yodaImage').image(imageObj);
      };
      imageObj.src = '/assets/yoda.jpg';
    </script>
  </body>
</html>

koh5_pano

Drag mouse to navigate.

Navigation

Left/Right Mouse drag: Changes camera heading.
Up/Sown Mouse drag: Changes camera pitch.
Scroll wheel: Changes camera field of view.
I-Key: Displays Info panel with canvas size, image size and FPS.

17.Aug.2010, Martin Wengenmayer