Remove the undocumented 3rd argument of the emitters (bytes left in buffer).
Add a column to the browser tests that displays JPEGs.
Revise how buffers are allocated.
From "[WHATWG HTML Living Standard]
(https://html.spec.whatwg.org/multipage/indices.html#event-load)", the definition of 'onload':
> Fired at the Window when the document has finished loading; fired at an
element containing a resource (e.g. img, embed) when its resource has finished
loading
To adhere to that specification both handlers should be called as many times as Image loads.
From Google Chrome's Developer Tools:
```js
> function handler(evt) { console.log('img handler: %s', evt.type); }
< undefined
> var img = document.createElement('img')
< undefined
> img.onload = handler
< handler(evt)
> img.onerror = handler
< handler(evt)
> img.src = 'https://www.google.com/images/errors/logo_sm_2.png'; true
< true
< img handler: load
> img.src = 'https://www.google.com/images/errors/logo_sm_2.png'; true
< true
< img handler: load
> img.src = 'https://example.com/404.png'; true
< true
< img handler: error
> img.src = 'https://example.com/404.png'; true
< true
< img handler: error
```
Benchmark:
var canvas = new Canvas(300, 600);
var ctx = canvas.getContext("2d");
// any manipulation of canvas/ctx here.
var data = ctx.getImageData(0,0,300,600);
// time 1000x:
ctx.putImageData(data, 0, 0);
Added some argument testing/manipulation to match WebKit/Moz behaviors.
Additionally benchmarked:
* branching on `if (a == 0 || a == 255)`, as it is
* not branching (always doing the alpha calculation)
* Mozilla's implementation found here: https://dxr.mozilla.org/mozilla-central/source/dom/canvas/CanvasRenderingContext2D.cpp#5083
Mozilla's is insignificantly faster (p=0.17) :) so left it as-is.
Unfortunately the cairo distributed with GTK+, used in the Windows build, is only 1.10.
Using the similar_image version offers backends the chance to be more efficient, but the alternative used here is used as a fallback in the cairo code anyway.
hsl() and hsla() color values are now supported, with corresponding unit tests.
Also added rebeccapurple (from CSS Color Level 4) to the named color list.
Linus Unnebäck
Raul Ochoa
Zach Bjornson
Radosław Eichler
Hussein Jafferjee
Jesper Ek
Michaël Zasso
Nathan Rajlich
Кузнецов Дмитрий
kibao
Alexander Parshin
Stephen Remde
Josip Janžić
Joe Freeman
Andy Wood
zahranisa
motiz88
Jake Gordon
