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Test for image conversion correctness.

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@959 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Robert Roebling
1998-11-04 12:03:48 +00:00
parent e471e2d054
commit 910276d73f
1 changed files with 15 additions and 8 deletions
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23
samples/image/image.cpp
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@@ -77,20 +77,21 @@ MyCanvas::MyCanvas( wxWindow *parent, const wxWindowID id, const wxPoint &pos, c
: wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER ) : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER )
{ {
wxImage image; wxImage image;
image.LoadFile( "../horse.png", wxBITMAP_TYPE_PNG );
my_horse = new wxBitmap( image );
wxBitmap bitmap( 100, 100 ); wxBitmap bitmap( 100, 100 );
wxMemoryDC dc; wxMemoryDC dc;
dc.SelectObject( bitmap ); dc.SelectObject( bitmap );
dc.SetBrush( wxRED_BRUSH ); dc.SetBrush( wxBrush( "orange", wxSOLID ) );
dc.SetPen( wxWHITE_PEN ); dc.SetPen( *wxTRANSPARENT_PEN );
dc.DrawRectangle( 0, 0, 100, 100 ); dc.DrawRectangle( 0, 0, 100, 100 );
dc.SelectObject( wxNullBitmap ); dc.SelectObject( wxNullBitmap );
image = bitmap.ConvertToImage(); image = bitmap.ConvertToImage();
image.SaveFile( "../test.png", wxBITMAP_TYPE_PNG ); image.SaveFile( "../test.png", wxBITMAP_TYPE_PNG );
image.LoadFile( "../test.png", wxBITMAP_TYPE_PNG );
my_horse = new wxBitmap( image );
} }
MyCanvas::~MyCanvas(void) MyCanvas::~MyCanvas(void)
@@ -103,7 +104,13 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
wxPaintDC dc( this ); wxPaintDC dc( this );
PrepareDC( dc ); PrepareDC( dc );
dc.DrawBitmap( *my_horse, 30, 120 ); dc.DrawText( "Loaded image", 30, 100 );
if (my_horse->Ok()) dc.DrawBitmap( *my_horse, 30, 120 );
dc.DrawText( "Drawn directly", 150, 100 );
dc.SetBrush( wxBrush( "orange", wxSOLID ) );
dc.SetPen( *wxTRANSPARENT_PEN );
dc.DrawRectangle( 150, 120, 100, 100 );
} }
// MyFrame // MyFrame
@@ -119,7 +126,7 @@ BEGIN_EVENT_TABLE(MyFrame,wxFrame)
END_EVENT_TABLE() END_EVENT_TABLE()
MyFrame::MyFrame(void) : MyFrame::MyFrame(void) :
wxFrame( (wxFrame *) NULL, -1, (char *) "Robert's Test application", wxPoint(20,20), wxSize(470,360) ) wxFrame( (wxFrame *) NULL, -1, "wxImage sample", wxPoint(20,20), wxSize(470,360) )
{ {
wxMenu *file_menu = new wxMenu(); wxMenu *file_menu = new wxMenu();
file_menu->Append( ID_ABOUT, "About.."); file_menu->Append( ID_ABOUT, "About..");
@@ -142,7 +149,7 @@ void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) ) void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
{ {
(void) wxMessageBox( "Image demo\nRobert Roebling (c) 1998", "About Image Demo", wxOK ); (void) wxMessageBox( "wxImage demo\nRobert Roebling (c) 1998", "About wxImage Demo", wxOK );
} }
//----------------------------------------------------------------------------- //-----------------------------------------------------------------------------