Re: matching VCL to touch screen coordinates

Hi
We will submit the patches. We just need to tidy them up a bit.
About the resolution
An iPad has a resolution of 1024 x 768
If we wanted to do a smooth scale, we should be able to zoom in to 1023 x
767.9...
We cannot express the difference between 1023 and 1024, in units of 1%, as
1% of 1024 is 10.24. So the scale is not sufficient, and even if we fixed
it for iPad, tomorrow there might be a touch device with twice the
resolution.
Still, a floating point value can give us the granularity we require

On Monday, August 12, 2013, Thorsten Behrens wrote:

> Ptyl Dragon wrote:
> > It appears, the granularity, or resolution, by which VCL elements are
> > rendered (such as text for example) is somewhat scaled down from the
> screen
> > resolution. for example, when scrolling, the scrolling appear jerky, as
> > elements "jump" approx 5 - 10 pixels at a time.
> Hi Ptyl,
>
> hmm - might help to see your patches to get a better idea of the
> problem. VCL rendering is integer-fraction based, but the resolution
> of that should be more than sufficient for a page of text...
>
> Cheers,
>
> -- Thorsten


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[image: appicon.png]


*Ptyl Dragon*

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