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Bit fiddling part 4.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@978 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1998-11-10 19:18:37 +00:00
parent e6b5bdedf8
commit e8fdc26406
5 changed files with 35 additions and 22 deletions
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15
samples/image/image.cpp
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@@ -29,6 +29,7 @@ class MyCanvas: public wxScrolledWindow
void OnPaint( wxPaintEvent &event );
wxBitmap *my_horse;
wxBitmap *my_square;
DECLARE_EVENT_TABLE()
};
@@ -83,20 +84,24 @@ MyCanvas::MyCanvas( wxWindow *parent, const wxWindowID id, const wxPoint &pos, c
wxMemoryDC dc;
dc.SelectObject( bitmap );
dc.SetBrush( wxBrush( "orange", wxSOLID ) );
dc.SetPen( *wxTRANSPARENT_PEN );
dc.SetPen( *wxWHITE_PEN );
dc.DrawRectangle( 0, 0, 100, 100 );
dc.SelectObject( wxNullBitmap );
image = bitmap.ConvertToImage();
image.SaveFile( "../test.png", wxBITMAP_TYPE_PNG );
image.LoadFile( "../test.png", wxBITMAP_TYPE_PNG );
image.LoadFile( "../horse.png", wxBITMAP_TYPE_PNG );
my_horse = new wxBitmap( image );
image.LoadFile( "../test.png", wxBITMAP_TYPE_PNG );
my_square = new wxBitmap( image );
}
MyCanvas::~MyCanvas(void)
{
delete my_horse;
delete my_square;
}
void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
@@ -105,12 +110,14 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
PrepareDC( dc );
dc.DrawText( "Loaded image", 30, 100 );
if (my_horse->Ok()) dc.DrawBitmap( *my_horse, 30, 120 );
if (my_square->Ok()) dc.DrawBitmap( *my_square, 30, 120 );
dc.DrawText( "Drawn directly", 150, 100 );
dc.SetBrush( wxBrush( "orange", wxSOLID ) );
dc.SetPen( *wxTRANSPARENT_PEN );
dc.SetPen( *wxWHITE_PEN );
dc.DrawRectangle( 150, 120, 100, 100 );
if (my_horse->Ok()) dc.DrawBitmap( *my_horse, 30, 240 );
}
// MyFrame