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Merge pull request #3756 from darina/zoom-on-two-touches-fix

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Zoom on two touches fixed.
This commit is contained in:
Roman Kuznetsov 2016-07-11 17:12:53 +03:00 • committed by GitHub
commit e97402290f
2 changed files with 5 additions and 4 deletions
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7
drape_frontend/my_position_controller.cpp
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@ -195,9 +195,10 @@ void MyPositionController::CorrectScalePoint(m2::PointD & pt1, m2::PointD & pt2)
{
if (IsModeChangeViewport())
{
m2::PointD const oldPt1(pt1);
pt1 = GetRotationPixelCenter();
pt2 = pt2 - oldPt1 + pt1;
m2::PointD const offset = (pt2 - pt1) / 2.0;
m2::PointD const center = GetRotationPixelCenter();
pt1 = center - offset;
pt2 = center + offset;
}
}

2
drape_frontend/navigator.cpp
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@ -178,7 +178,7 @@ bool Navigator::ScaleImpl(m2::PointD const & newPt1, m2::PointD const & newPt2,
bool skipMinScaleAndBordersCheck, bool doRotateScreen,
ScreenBase & screen)
{
m2::PointD const center3d = oldPt1;
m2::PointD const center3d = (oldPt1 + oldPt2) / 2.0;
m2::PointD const center2d = screen.P3dtoP(center3d);
m2::PointD const centerG = screen.PtoG(center2d);
m2::PointD const offset = center2d - center3d;