Using Shadows
There are four drawing state properties associated with adding shadows to the shapes and text.
Name | Description | Returns |
---|---|---|
shadowBlur | Sets the degree of blur in the shadow | number |
shadowColor | Sets the color of the shadow | string |
shadowOffsetX | Sets the x-offset for the shadow | number |
shadowOffsetY | Sets the y-offset for the shadow | number |
<!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>
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canvas:
- Getting Started with the Canvas Element
- Getting a Canvas Context
- Drawing Rectangles
- Canvas Drawing State
- Setting the Line Join Style
- Using Gradients
- Using Patterns
- Using smaller shapes with an image pattern
- Drawing Images
- Using Video Images
- Using Canvas Images
- Setting the Fill & Stroke Styles
- Saving and Restoring Drawing State
- Drawing Using Paths
- Drawing Arcs
- Drawing Bezier Curves
- Drawing Text
- Using Shadows
- Using Transparency
Related: