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Use wxGraphicsContext::CreateFromUnknownDC in the printing sample

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Creating graphics context for the various flavors of wxDC can be simplified by using this newly introduced API.
This commit is contained in:
Artur Wieczorek
2017-01-11 20:32:43 +01:00
parent e5b5049cc3
commit 0649b0d028
1 changed files with 1 additions and 19 deletions
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20
samples/printing/printing.cpp
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@@ -217,25 +217,7 @@ void MyApp::Draw(wxDC&dc)
dc.DrawBitmap( m_bitmap, 10, 10 ); dc.DrawBitmap( m_bitmap, 10, 10 );
#if wxUSE_GRAPHICS_CONTEXT #if wxUSE_GRAPHICS_CONTEXT
wxGraphicsContext *gc = NULL; wxGraphicsContext *gc = wxGraphicsContext::CreateFromUnknownDC(dc);
wxPrinterDC *printer_dc = wxDynamicCast( &dc, wxPrinterDC );
if (printer_dc)
gc = wxGraphicsContext::Create( *printer_dc );
wxWindowDC *window_dc = wxDynamicCast( &dc, wxWindowDC );
if (window_dc)
gc = wxGraphicsContext::Create( *window_dc );
wxMemoryDC *memory_dc = wxDynamicCast( &dc, wxMemoryDC );
if (memory_dc)
gc = wxGraphicsContext::Create( *memory_dc );
#ifdef __WXMSW__
wxEnhMetaFileDC *emf_dc = wxDynamicCast( &dc, wxEnhMetaFileDC );
if (emf_dc)
gc = wxGraphicsContext::Create( *emf_dc );
#endif
if (gc) if (gc)
{ {