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Also return display DPI from wxScreenDC in wxGTK3

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This is similar to the previous commit and is done for the same reasons:
screen DC needs to use the same DPI as the screen itself, instead of the
default Cairo 72 DPI.
This commit is contained in:
Vadim Zeitlin
2018-01-25 14:55:31 +01:00
parent 4ad1a3d969
commit a1cb2eb12a
2 changed files with 8 additions and 0 deletions
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2
include/wx/gtk/dc.h
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@@ -76,6 +76,8 @@ class wxScreenDCImpl: public wxGTKCairoDCImpl
public: public:
wxScreenDCImpl(wxScreenDC* owner); wxScreenDCImpl(wxScreenDC* owner);
virtual wxSize GetPPI() const wxOVERRIDE;
wxDECLARE_NO_COPY_CLASS(wxScreenDCImpl); wxDECLARE_NO_COPY_CLASS(wxScreenDCImpl);
}; };
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------

6
src/gtk/dc.cpp
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@@ -364,6 +364,12 @@ wxScreenDCImpl::wxScreenDCImpl(wxScreenDC* owner)
gc->EnableOffset(m_contentScaleFactor <= 1); gc->EnableOffset(m_contentScaleFactor <= 1);
SetGraphicsContext(gc); SetGraphicsContext(gc);
} }
wxSize wxScreenDCImpl::GetPPI() const
{
return wxGetDisplayPPI();
}
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------
wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC* owner) wxMemoryDCImpl::wxMemoryDCImpl(wxMemoryDC* owner)