blob: 5a0e53d3d4eea2b165ad8d75a7177eda5f996b4f [file] [log] [blame]
<!DOCTYPE HTML>
<!-- Test based on that found at
http://philip.html5.org/tests/canvas/suite/tests/index.2d.transformation.transform.html
-->
<title>Canvas test: 2d.transformation.transform.skewed</title>
<canvas id="canvas" class="output" width="100" height="100"><p class="fallback">FAIL (fallback content)</p></canvas>
<script>
var ctx = document.getElementById("canvas").getContext("2d");
// Create green with a red square ring inside it
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 100);
ctx.fillStyle = '#f00';
ctx.fillRect(20, 10, 60, 30);
ctx.fillStyle = '#0f0';
ctx.fillRect(40, 20, 20, 10);
// Draw a skewed shape to fill that gap, to make sure it is aligned correctly
ctx.transform(1,4, 2,3, 5,6);
// Post-transform coordinates:
// [[20,10],[80,10],[80,40],[20,40],[20,10],[40,20],[40,30],[60,30],[60,20],[40,20],[20,10]];
// Hence pre-transform coordinates:
var pts=[[-7.4,11.2],[-43.4,59.2],[-31.4,53.2],[4.6,5.2],[-7.4,11.2],
[-15.4,25.2],[-11.4,23.2],[-23.4,39.2],[-27.4,41.2],[-15.4,25.2],
[-7.4,11.2]];
ctx.beginPath();
ctx.moveTo(pts[0][0], pts[0][1]);
for (var i = 0; i < pts.length; ++i)
ctx.lineTo(pts[i][0], pts[i][1]);
ctx.fill();
</script>