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Add Pan/Zoom support for the graph surface (#458)

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Description of the changes:
Add Pan/Zoom support for the graph surface.
Currently only supports Mouse/Pen/Touch interactions. Keyboard support will be added separately.

How changes were validated:
Manual
This commit is contained in:
Daniel Belcher 2019-04-22 14:29:57 -07:00 • committed by GitHub
parent 091732aa94
commit 5ffe1bc858
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 161 additions and 26 deletions
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11
src/GraphControl/Control/Grapher.h
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@ -107,6 +107,11 @@ namespace GraphControl
void OnPointerEntered(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
void OnPointerMoved(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
void OnPointerExited(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
void OnPointerWheelChanged(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
void OnPointerPressed(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
void OnPointerReleased(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
void OnPointerCanceled(Windows::UI::Xaml::Input::PointerRoutedEventArgs^ e) override;
void OnManipulationDelta(Windows::UI::Xaml::Input::ManipulationDeltaRoutedEventArgs^ e) override;
#pragma endregion
private:
@ -122,6 +127,7 @@ namespace GraphControl
void OnDataSourceChanged(GraphControl::InspectingDataSource^ sender, GraphControl::DataSourceChangedEventArgs args);
void OnEquationsChanged(Windows::UI::Xaml::DependencyPropertyChangedEventArgs^ args);
void OnEquationsVectorChanged(Windows::Foundation::Collections::IObservableVector<GraphControl::Equation ^> ^sender, Windows::Foundation::Collections::IVectorChangedEventArgs ^event);
void OnEquationChanged();
void UpdateGraph();
@ -136,6 +142,8 @@ namespace GraphControl
void OnItemsAdded(int index, int count);
void OnItemsRemoved(int index, int count);
void ScaleRange(double centerX, double centerY, double scale);
private:
DX::RenderMain^ m_renderMain = nullptr;
@ -155,6 +163,5 @@ namespace GraphControl
const std::unique_ptr<Graphing::IMathSolver> m_solver;
const std::shared_ptr<Graphing::IGraph> m_graph;
void OnEquationsVectorChanged(Windows::Foundation::Collections::IObservableVector<GraphControl::Equation ^> ^sender, Windows::Foundation::Collections::IVectorChangedEventArgs ^event);
};
};
}