Using Shadows

There are four drawing state properties associated with adding shadows to the shapes and text.

NameDescriptionReturns
shadowBlurSets the degree of blur in the shadownumber
shadowColorSets the color of the shadowstring
shadowOffsetXSets the x-offset for the shadownumber
shadowOffsetYSets the y-offset for the shadownumber
 
<!DOCTYPE HTML>
<html>
<head>
<title>Example</title>
<style>
canvas {
      border: thin solid black
}

body>* {
      float: left;
}
</style>
</head>
<body>
      <canvas id="canvas" width="500" height="140"> 
      Your browser doesn't support the <code>canvas</code> element 
      </canvas>
      <script>
            var ctx = document.getElementById("canvas").getContext("2d");
            ctx.fillStyle = "lightgrey";
            ctx.strokeStyle = "black";
            ctx.lineWidth = 3;
            ctx.shadowOffsetX = 5;
            ctx.shadowOffsetY = 5;
            ctx.shadowBlur = 5;
            ctx.shadowColor = "red";
            ctx.strokeRect(250, 20, 100, 100);
            ctx.beginPath();
            ctx.arc(420, 70, 50, 0, Math.PI, true);
            ctx.stroke();
            ctx.beginPath();
            ctx.arc(420, 80, 40, 0, Math.PI, false);
            ctx.fill();
            ctx.font = "100px sans-serif";
            ctx.fillText("HTML5", 10, 100);
            ctx.strokeText("HTML5", 10, 100);
      </script>
</body>
</html>
  
Click to view this demo.
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canvas:
  1. Getting Started with the Canvas Element
  2. Getting a Canvas Context
  3. Drawing Rectangles
  4. Canvas Drawing State
  5. Setting the Line Join Style
  6. Using Gradients
  7. Using Patterns
  8. Using smaller shapes with an image pattern
  9. Drawing Images
  10. Using Video Images
  11. Using Canvas Images
  12. Setting the Fill & Stroke Styles
  13. Saving and Restoring Drawing State
  14. Drawing Using Paths
  15. Drawing Arcs
  16. Drawing Bezier Curves
  17. Drawing Text
  18. Using Shadows
  19. Using Transparency
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