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Use wxGCDC in wxGTK to draw "Alpha" test page

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in drawing sample. Pretty amazing...


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42218 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling 2006-10-21 18:44:44 +00:00
parent 1ed4f1a747
commit ad0b4329d7
1 changed files with 13 additions and 0 deletions
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13
samples/drawing/drawing.cpp
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@ -895,8 +895,17 @@ void MyCanvas::DrawWithLogicalOps(wxDC& dc)
}
#if wxUSE_GRAPHICS_CONTEXT
#ifdef __WXGTK20__
void MyCanvas::DrawAlpha(wxDC& no_dc)
#else
void MyCanvas::DrawAlpha(wxDC& dc)
#endif
{
#ifdef __WXGTK__
wxGCDC dc( this );
PrepareDC( dc );
#endif
wxDouble margin = 20 ;
wxDouble width = 180 ;
wxDouble radius = 30 ;
@ -925,6 +934,10 @@ void MyCanvas::DrawAlpha(wxDC& dc)
dc.SetPen( *wxTRANSPARENT_PEN ) ;
dc.SetBrush( wxBrush( wxColour(255,255,128,128) ) );
dc.DrawRoundedRectangle( 0 , margin + width / 2 , width * 3 , 100 , radius) ;
dc.SetTextForeground( wxColour(255,255,0,128) );
dc.SetFont( wxFont( 40, wxFONTFAMILY_SWISS, wxFONTSTYLE_ITALIC, wxFONTWEIGHT_NORMAL ) );
dc.DrawText( wxT("Hello!"), 120, 80 );
}
#endif