LayoutTests/fast/canvas/svg-taint.html - Issue 22604008: Allow SVG images to not taint the canvas with drawImage/drawPattern

Side by Side Diff

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Keyboard Shortcuts

	File
u :	up to issue
j / k :	jump to file after / before current file
J / K :	jump to next file with a comment after / before current file
	Side-by-side diff
i :	toggle intra-line diffs
e :	expand all comments
c :	collapse all comments
s :	toggle showing all comments
n / p :	next / previous diff chunk or comment
N / P :	next / previous comment
<Up> / <Down> :	next / previous line

	Issue
u :	up to list of issues
j / k :	jump to patch after / before current patch
o / <Enter> :	open current patch in side-by-side view
i :	open current patch in unified diff view

	Issue List
j / k :	jump to issue after / before current issue
o / <Enter> :	open current issue

Side by Side Diff: LayoutTests/fast/canvas/svg-taint.html

Issue 22604008: Allow SVG images to not taint the canvas with drawImage/drawPattern (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 7 years, 4 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

OLD	NEW
	(Empty)
1 <html>

2 <head>

3 <script>

4 if (window.testRunner) {

5 testRunner.dumpAsText();

6 testRunner.waitUntilDone();

7 }

8

9 function log(message) {

10 var console = document.getElementById('log');

11 console.appendChild(document.createTextNode(message));

12 console.appendChild(document.createElement('br'));

13 }

14

15 function loaded() {

16 var canvas = document.getElementById('canvas');

17 var ctx = canvas.getContext("2d");

18 var img = document.getElementById('img');

19 log('Starting...');

20

21 // This should taint the canvas by rendering an SVG on to it via the pattern

22 // route.

23 var p = ctx.createPattern(img, 'repeat');

24 ctx.fillStyle = p;

25 ctx.fillRect(0, 0, 100, 100);

26

27 try {

28 // This should fail as the canvas should be tainted.

29 var data = ctx.getImageData(0, 0, 10, 10);

30 log('Oh dear -- missing exception!');

31 } catch (e) {

32 log('Exception: ' + e.name);

33 if (window.testRunner)

34 testRunner.notifyDone();

35 }

36 }

37 </script>

38 </head>

39 <body>

40 Let's check that rendering an SVG pattern to a canvas taints it!

41 <p>

42 See https://bugs.webkit.org/show_bug.cgi?id=36838

43 <div id="log"></div>

44 <canvas id="canvas" width="100" height="100"></canvas>

45 <img id="img" onload="loaded()" src="resources/empty.svg"></img>

46 </body>

OLD	NEW