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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
4 changed files with 161 additions and 26 deletions
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5
src/GraphingInterfaces/IGraphRenderer.h
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@@ -16,5 +16,10 @@ namespace Graphing::Renderer
virtual HRESULT DrawD2D1(ID2D1Factory* pDirect2dFactory, ID2D1RenderTarget* pRenderTarget, bool& hasSomeMissingDataOut) = 0;
virtual HRESULT GetClosePointData(float inScreenPointX, float inScreenPointY, int& formulaIdOut, float& xScreenPointOut, float& yScreenPointOut, float& xValueOut, float& yValueOut) = 0;
virtual HRESULT ScaleRange(double centerX, double centerY, double scale) = 0;
virtual HRESULT ChangeRange(ChangeRangeAction action) = 0;
virtual HRESULT MoveRangeByRatio(double ratioX, double ratioY) = 0;
virtual HRESULT ResetRange() = 0;
};
}