[10/10] gdiplus: Filter tabs out until they are properly supported using stringformat.
dmitry at baikal.ru
Fri Aug 17 01:42:11 CDT 2012
Vincent Povirk <madewokherd at gmail.com> wrote:
> This should probably be handled somehow by gdip_format_string.
> DrawDriverString doesn't have access to the StringFormat, and there's
> a good change that the native implementation really does draw tabs as
> squares. Also, MeasureCharacterRanges and MeasureString will have to
> account for tabstops.
> gdip_format_string already has logic to ignore certain characters, but
> it needs more thought as to how we can do that and keep the offsets
> passed to the callback accurate, and how to eventually pass
> information about tabs to the callback.
> If this does turn out to be a correct change for DrawDriverString (I
> predict that it is not), then MeasureDriverString should be updated as
A quick test shows that DrawDriverString does draw tabs as squares,
so MeasureDriverString is not affected by this change.
Since this patch is clearly a workaround for missing handling of tabs,
and I doubt that somebody is really using DrawDriverString to draw tabs
as squares, I don't see anything wrong with accepting this patch until
somebody adds support for tabstops in stringformat.
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