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| author | Daniel Silverstone <dsilvers@digital-scurf.org> | 2020-05-22 19:53:20 +0100 |
|---|---|---|
| committer | Daniel Silverstone <dsilvers@digital-scurf.org> | 2020-05-22 19:53:23 +0100 |
| commit | 1223cf078648d9a7f38913cf002398e9aff5ddfe (patch) | |
| tree | 4fd027041e49450242a724a48e14710b3b623fd7 /test/js | |
| parent | daed553a06716328366f5ea1a2ba09ba4872de1d (diff) | |
| download | netsurf-1223cf078648d9a7f38913cf002398e9aff5ddfe.tar.gz netsurf-1223cf078648d9a7f38913cf002398e9aff5ddfe.tar.bz2 | |
test/js: Include mandelbrot example
Signed-off-by: Daniel Silverstone <dsilvers@digital-scurf.org>
Diffstat (limited to 'test/js')
| -rw-r--r-- | test/js/index.html | 1 | ||||
| -rw-r--r-- | test/js/mandelbrot.html | 31 |
2 files changed, 32 insertions, 0 deletions
diff --git a/test/js/index.html b/test/js/index.html index 2abe954e5..f9228720e 100644 --- a/test/js/index.html +++ b/test/js/index.html @@ -104,6 +104,7 @@ <li><a href="assorted-log-doc-write.html">console.log and document.write</a></li> <li><a href="wikipedia-lcm.html">Example from wikipedia</a></li> <li><a href="verify-instanceofness.html">Check instanceof behaviour</a></li> +<li><a href="mandelbrot.html">Canvas/ImageData Mandelbrot ploter</a></li> </ul> </body> diff --git a/test/js/mandelbrot.html b/test/js/mandelbrot.html new file mode 100644 index 000000000..38f77eff5 --- /dev/null +++ b/test/js/mandelbrot.html @@ -0,0 +1,31 @@ +<html> + <head> + <title>JS Mandelbrot</title> + <script src="https://nerget.com/mandelbrot.js"></script> + <script> + var drawn = false; + var dimension = 2; + var cx = -dimension / 2 + 0.5; + var cy = -dimension / 2; + + function log(msg) { + document.getElementById("log").innerHTML += msg + "<br/>"; + } + + function draw() { + var forceSlowPath = document.getElementById('forceSlowPath').checked; + drawMandelbrot(document.getElementById('canvas').getContext('2d'), 200, 200, + cx + dimension / 2, cy + dimension / 2, dimension, 500, forceSlowPath); + drawn = true; + } + + </script> + </head> + <body> + <canvas id="canvas" width="200" height="200" style="border: 1px solid black;"></canvas> + <br /> + <input id="forceSlowPath" type="checkbox">Use slow path.</input> <br /> + <a href="javascript:draw()">Start</a> + <div id="log"></div> + </body> +</html> |