> > scrWidth = width / scrWidth; // how many bytes take up one screen line
>
> I think you mean "scrWidth = width / scrPixel". But even so, this part is not
> necessarily true. Display devices often support a "row bytes" value that can be
> different than what you'd get from your calculation.
typo :)
the above would only work if the width was divisible exactly by the
srcPixel and adjusted to handle the memory alignments of the device
(i was looking for rowBytes) :P
for example, on 160x160 display, 1bpp, scrWidth = 20. if the device
was 162x160, it would more likely be scrWidth = 22 (word alignment)
i believe the structures contain this value anyhow - so, you dont
need to calculate it.
:P
// az
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