From b0152155c0cd48d38004fc246a2540cd5fec438f Mon Sep 17 00:00:00 2001
From: Maarten Bent <MaartenBent@users.noreply.github.com>
Date: Fri, 2 Aug 2019 22:49:28 +0200
Subject: [PATCH] Implement GetContentScaleFactor for wxMSWDCImpl

---
 include/wx/msw/dc.h | 1 +
 src/msw/dc.cpp      | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/include/wx/msw/dc.h b/include/wx/msw/dc.h
index e541499f9a..83777b8c85 100644
--- a/include/wx/msw/dc.h
+++ b/include/wx/msw/dc.h
@@ -77,6 +77,7 @@ public:
     virtual bool CanGetTextExtent() const wxOVERRIDE;
     virtual int GetDepth() const wxOVERRIDE;
     virtual wxSize GetPPI() const wxOVERRIDE;
+    virtual double GetContentScaleFactor() const wxOVERRIDE;
 
 
     virtual void SetMapMode(wxMappingMode mode) wxOVERRIDE;
diff --git a/src/msw/dc.cpp b/src/msw/dc.cpp
index ddeb2d6ba9..fdf9837d41 100644
--- a/src/msw/dc.cpp
+++ b/src/msw/dc.cpp
@@ -2440,6 +2440,11 @@ wxSize wxMSWDCImpl::GetPPI() const
     return wxSize(x, y);
 }
 
+double wxMSWDCImpl::GetContentScaleFactor() const
+{
+    return GetPPI().y / 96.0;
+}
+
 // ----------------------------------------------------------------------------
 // DC caching
 // ----------------------------------------------------------------------------