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Implement GetContentScaleFactor for wxMSWDCImpl

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This commit is contained in:
Maarten Bent
2019-08-02 22:49:28 +02:00
parent e31938c314
commit b0152155c0
2 changed files with 6 additions and 0 deletions
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1
include/wx/msw/dc.h
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@@ -77,6 +77,7 @@ public:
virtual bool CanGetTextExtent() const wxOVERRIDE; virtual bool CanGetTextExtent() const wxOVERRIDE;
virtual int GetDepth() const wxOVERRIDE; virtual int GetDepth() const wxOVERRIDE;
virtual wxSize GetPPI() const wxOVERRIDE; virtual wxSize GetPPI() const wxOVERRIDE;
virtual double GetContentScaleFactor() const wxOVERRIDE;
virtual void SetMapMode(wxMappingMode mode) wxOVERRIDE; virtual void SetMapMode(wxMappingMode mode) wxOVERRIDE;

5
src/msw/dc.cpp
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@@ -2440,6 +2440,11 @@ wxSize wxMSWDCImpl::GetPPI() const
return wxSize(x, y); return wxSize(x, y);
} }
double wxMSWDCImpl::GetContentScaleFactor() const
{
return GetPPI().y / 96.0;
}
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------
// DC caching // DC caching
// ---------------------------------------------------------------------------- // ----------------------------------------------------------------------------