Avoid wxGraphicsContext offsetting on HiDPI displays

For a typical scale factor of 2, there won't be any odd-width lines,
and for any factor greater than 1.0, it won't be doing what was intended,
so just don't do it. See #17375
This commit is contained in:
Paul Cornett
2016-02-22 10:25:16 -08:00
parent 6674ca57da
commit 371ee79f88
5 changed files with 14 additions and 14 deletions

View File

@@ -1532,7 +1532,7 @@ wxMacCoreGraphicsContext::wxMacCoreGraphicsContext( wxGraphicsRenderer* renderer
{
Init();
m_enableOffset = true;
m_enableOffset = window->GetContentScaleFactor() <= 1;
wxSize sz = window->GetSize();
m_width = sz.x;
m_height = sz.y;
@@ -2622,7 +2622,7 @@ wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxWindowDC&
// this is the case for all wxWindowDCs except wxPaintDC
wxMacCoreGraphicsContext *context =
new wxMacCoreGraphicsContext( this, cgctx, (wxDouble) w, (wxDouble) h );
context->EnableOffset(true);
context->EnableOffset(dc.GetContentScaleFactor() < 2);
return context;
}
return NULL;
@@ -2639,7 +2639,7 @@ wxGraphicsContext * wxMacCoreGraphicsRenderer::CreateContext( const wxMemoryDC&
mem_impl->GetSize( &w, &h );
wxMacCoreGraphicsContext* context = new wxMacCoreGraphicsContext( this,
(CGContextRef)(mem_impl->GetGraphicsContext()->GetNativeContext()), (wxDouble) w, (wxDouble) h );
context->EnableOffset(true);
context->EnableOffset(dc.GetContentScaleFactor() < 2);
return context;
}
#endif