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https://issues.apache.org/jira/browse/CB-10742?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shazron Abdullah resolved CB-10742.
-----------------------------------
Resolution: Not A Bug
Any canvas functions are the domain of the WKWebView component itself, and is
under control by Apple, and we can't fix this.
> putImageData doesn't work after a drawImage on Canvas
> -----------------------------------------------------
>
> Key: CB-10742
> URL: https://issues.apache.org/jira/browse/CB-10742
> Project: Apache Cordova
> Issue Type: Bug
> Components: Plugin WKWebViewEngine
> Reporter: Manuel Augusto
>
> Full code that can be tested on this url:
> http://www.w3schools.com/html/tryit.asp?filename=tryhtml5_canvas_tut_img
> <!DOCTYPE html>
> <html>
> <body>
> <p>Image to use:</p>
> <img id="scream" src="img_the_scream.jpg" alt="The Scream" width="220"
> height="277">
> <p>Canvas to fill:</p>
> <canvas id="myCanvas" width="250" height="300"
> style="border:1px solid #d3d3d3;">
> Your browser does not support the HTML5 canvas tag.</canvas>
> <p><button onclick="myCanvas()">Try it</button></p>
> <script>
> function myCanvas() {
> var c = document.getElementById("myCanvas");
> var ctx = c.getContext("2d");
> var img = document.getElementById("scream");
> ctx.drawImage(img,10,10);
> ctx.fillStyle = "red";
> ctx.fillRect(10, 10, 50, 50);
> var imgData = ctx.getImageData(10, 10, 50, 50);
> ctx.putImageData(imgData, 10, 70);
> }
> </script>
> </body>
> </html>
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