<!DOCTYPE html>
<title>Canvas test: 2d.imageData.get.source.outside</title>
<meta name="author" content="Philip Taylor">
<script src="../common/canvas-tests.js"></script>
<link rel="stylesheet" href="../common/canvas-tests.css">
<body class="show_output">

<h1><a href="index.2d.html">2d</a>.<a href="index.2d.imageData.html">imageData</a>.<a href="index.2d.imageData.get.html">get</a>.<a href="index.2d.imageData.get.source.html">source</a>.outside</h1>
<p class="desc">getImageData() returns transparent black outside the canvas</p>

<div class="refs">Spec references:
<ul>
<li><a href="../annotated-spec/canvas.html#testrefs.2d.imageData.get.basic">2d.imageData.get.basic</a>
<li><a href="../annotated-spec/canvas.html#testrefs.2d.imageData.get.outside">2d.imageData.get.outside</a>
</ul>
</div>

<p class="output">Actual output:</p>
<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>

<ul id="d"></ul>
<script>
_addTest(function(canvas, ctx) {

ctx.fillStyle = '#08f';
ctx.fillRect(0, 0, 100, 50);

var imgdata1 = ctx.getImageData(-10, 5, 1, 1);
_assertSame(imgdata1.data[0], 0, "imgdata1.data[\""+(0)+"\"]", "0");
_assertSame(imgdata1.data[1], 0, "imgdata1.data[\""+(1)+"\"]", "0");
_assertSame(imgdata1.data[2], 0, "imgdata1.data[\""+(2)+"\"]", "0");
_assertSame(imgdata1.data[3], 0, "imgdata1.data[\""+(3)+"\"]", "0");

var imgdata2 = ctx.getImageData(10, -5, 1, 1);
_assertSame(imgdata2.data[0], 0, "imgdata2.data[\""+(0)+"\"]", "0");
_assertSame(imgdata2.data[1], 0, "imgdata2.data[\""+(1)+"\"]", "0");
_assertSame(imgdata2.data[2], 0, "imgdata2.data[\""+(2)+"\"]", "0");
_assertSame(imgdata2.data[3], 0, "imgdata2.data[\""+(3)+"\"]", "0");

var imgdata3 = ctx.getImageData(200, 5, 1, 1);
_assertSame(imgdata3.data[0], 0, "imgdata3.data[\""+(0)+"\"]", "0");
_assertSame(imgdata3.data[1], 0, "imgdata3.data[\""+(1)+"\"]", "0");
_assertSame(imgdata3.data[2], 0, "imgdata3.data[\""+(2)+"\"]", "0");
_assertSame(imgdata3.data[3], 0, "imgdata3.data[\""+(3)+"\"]", "0");

var imgdata4 = ctx.getImageData(10, 60, 1, 1);
_assertSame(imgdata4.data[0], 0, "imgdata4.data[\""+(0)+"\"]", "0");
_assertSame(imgdata4.data[1], 0, "imgdata4.data[\""+(1)+"\"]", "0");
_assertSame(imgdata4.data[2], 0, "imgdata4.data[\""+(2)+"\"]", "0");
_assertSame(imgdata4.data[3], 0, "imgdata4.data[\""+(3)+"\"]", "0");

var imgdata5 = ctx.getImageData(100, 10, 1, 1);
_assertSame(imgdata5.data[0], 0, "imgdata5.data[\""+(0)+"\"]", "0");
_assertSame(imgdata5.data[1], 0, "imgdata5.data[\""+(1)+"\"]", "0");
_assertSame(imgdata5.data[2], 0, "imgdata5.data[\""+(2)+"\"]", "0");
_assertSame(imgdata5.data[3], 0, "imgdata5.data[\""+(3)+"\"]", "0");

var imgdata6 = ctx.getImageData(0, 10, 1, 1);
_assertSame(imgdata6.data[0], 0, "imgdata6.data[\""+(0)+"\"]", "0");
_assertSame(imgdata6.data[1], 136, "imgdata6.data[\""+(1)+"\"]", "136");
_assertSame(imgdata6.data[2], 255, "imgdata6.data[\""+(2)+"\"]", "255");
_assertSame(imgdata6.data[3], 255, "imgdata6.data[\""+(3)+"\"]", "255");

var imgdata7 = ctx.getImageData(-10, 10, 20, 20);
_assertSame(imgdata7.data[ 0*4+0], 0, "imgdata7.data[ 0*4+0]", "0");
_assertSame(imgdata7.data[ 0*4+1], 0, "imgdata7.data[ 0*4+1]", "0");
_assertSame(imgdata7.data[ 0*4+2], 0, "imgdata7.data[ 0*4+2]", "0");
_assertSame(imgdata7.data[ 0*4+3], 0, "imgdata7.data[ 0*4+3]", "0");
_assertSame(imgdata7.data[ 9*4+0], 0, "imgdata7.data[ 9*4+0]", "0");
_assertSame(imgdata7.data[ 9*4+1], 0, "imgdata7.data[ 9*4+1]", "0");
_assertSame(imgdata7.data[ 9*4+2], 0, "imgdata7.data[ 9*4+2]", "0");
_assertSame(imgdata7.data[ 9*4+3], 0, "imgdata7.data[ 9*4+3]", "0");
_assertSame(imgdata7.data[10*4+0], 0, "imgdata7.data[10*4+0]", "0");
_assertSame(imgdata7.data[10*4+1], 136, "imgdata7.data[10*4+1]", "136");
_assertSame(imgdata7.data[10*4+2], 255, "imgdata7.data[10*4+2]", "255");
_assertSame(imgdata7.data[10*4+3], 255, "imgdata7.data[10*4+3]", "255");
_assertSame(imgdata7.data[19*4+0], 0, "imgdata7.data[19*4+0]", "0");
_assertSame(imgdata7.data[19*4+1], 136, "imgdata7.data[19*4+1]", "136");
_assertSame(imgdata7.data[19*4+2], 255, "imgdata7.data[19*4+2]", "255");
_assertSame(imgdata7.data[19*4+3], 255, "imgdata7.data[19*4+3]", "255");
_assertSame(imgdata7.data[20*4+0], 0, "imgdata7.data[20*4+0]", "0");
_assertSame(imgdata7.data[20*4+1], 0, "imgdata7.data[20*4+1]", "0");
_assertSame(imgdata7.data[20*4+2], 0, "imgdata7.data[20*4+2]", "0");
_assertSame(imgdata7.data[20*4+3], 0, "imgdata7.data[20*4+3]", "0");


});
</script>