Bug 25858 – Upstream V8 bindings for CanvasRenderingContext2D

• Component: WebCore Misc.
• Status: RESOLVED FIXED

[Nate Chapin]

See summary.

[Nate Chapin]

Created attachment 30452 [details]
patch

[Darin Fisher (:fishd, Google)]

Comment on attachment 30452 [details]
patch

> Index: WebCore/bindings/v8/custom/V8CanvasRenderingContext2DCustom.cpp

> +// Helper macro for converting v8 values into floats (expected by many of the
> +// canvas functions).
> +#define TO_FLOAT(a) static_cast<float>((a)->NumberValue())

Can this be rewritten as an inline function instead?  It is best to
avoid macros whenever possible.

Can you use toFloat from V8Binding.h?


> +CALLBACK_FUNC_DECL(CanvasRenderingContext2DPutImageData)
...
> +    if (V8Proxy::IsWrapperOfType(args[0], V8ClassIndex::IMAGEDATA)) {
> +        imageData = V8Proxy::ToNativeObject<ImageData>(V8ClassIndex::IMAGEDATA, args[0]);
> +    }

style nit: no brackets around single lines

[Nate Chapin]

Created attachment 30476 [details]
patch2

[Nate Chapin]

(In reply to comment #2)
> (From update of attachment 30452 [details] [review])
> > Index: WebCore/bindings/v8/custom/V8CanvasRenderingContext2DCustom.cpp
> 
> > +// Helper macro for converting v8 values into floats (expected by many of the
> > +// canvas functions).
> > +#define TO_FLOAT(a) static_cast<float>((a)->NumberValue())
> 
> Can this be rewritten as an inline function instead?  It is best to
> avoid macros whenever possible.
> 
> Can you use toFloat from V8Binding.h?
Wasn't aware of that one, thanks.

> 
> 
> > +CALLBACK_FUNC_DECL(CanvasRenderingContext2DPutImageData)
> ...
> > +    if (V8Proxy::IsWrapperOfType(args[0], V8ClassIndex::IMAGEDATA)) {
> > +        imageData = V8Proxy::ToNativeObject<ImageData>(V8ClassIndex::IMAGEDATA, args[0]);
> > +    }
> 
> style nit: no brackets around single lines
> 
Doh, missed one.  Done.

[Darin Fisher (:fishd, Google)]

Landed as:  http://trac.webkit.org/changeset/43871