On 14 Apr 2014, at 08:23, Тимур Артиков <t.arti...@gmail.com> wrote:
> Hi Gunnar, > In my case the current time of animations should be controlled by a video > output device, and this time is not equals to real time > (QUnifiedTimer::time.elapsed()). > The QSG_FIXED_ANIMATION_STEP option is also not acceptable. I can't suppose > that rendering performance is stable, and in the case of a "slow frame" the > next frame should has > greater time delta. > > The only acceptable option for me is manually control the time of animations > (set it equals to the current time of the video output device). > The custom QAnimationDriver, as I supposed, is the way to do it (by > overloading QAnimationDriver::advance and QAnimationDriver::elapsed). > But it does not works, because in some cases Qt uses time from > QUnifiedTimer::time.elapsed() and not QAnimationDriver::elapsed(). > > I tried replace time.elapsed() to driver->elapsed() in > QUnifiedTimer::updateAnimationTimers method, and it seems to solve my issue. > May be such changes should be done in the Qt source code? If you have a bugfix, the please provide it through https://codereview.qt-project.org/ :) _______________________________________________ Development mailing list Development@qt-project.org http://lists.qt-project.org/mailman/listinfo/development
