Patches concerning the speed of mouse-movement over the profile.

[Tomaz Canabrava]

another wasteful calls removed.

On Wed, Jan 14, 2015 at 10:36 PM, Tomaz Canabrava <tcanabrava at kde.org>
wrote:

> This patch remove some of uneeded animation calls.
>
>
> On Wed, Jan 14, 2015 at 10:26 PM, Tomaz Canabrava <tcanabrava at kde.org>
> wrote:
>
>> Well, another one here.
>> we were creating / removing the biggest tooltip string ( that can have up
>> to 16 lines sometimes ) by allocking / freeing it *every* pixel moved.
>> now we cache it and do not free.
>>
>> On Wed, Jan 14, 2015 at 6:23 PM, Lubomir I. Ivanov <neolit123 at gmail.com>
>> wrote:
>>
>>> On 14 January 2015 at 22:08, Lubomir I. Ivanov <neolit123 at gmail.com>
>>> wrote:
>>> > i suspect that if we rasterize the whole tooltip (i.e. use QPainter's
>>> > methods on a surface) and disable the animation, it will be times
>>> > faster.
>>> >
>>>
>>> and by that i mean override ::paint() and do all the calculations and
>>> drawing in there and possibly only re-draw if the input data changed
>>> etc...
>>> that's a much larger re-work, but i think that custom drawing might be
>>> the most optimal way for the tooltip to perform well.
>>>
>>> lubomir
>>> --
>>>
>>
>>
>
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