ugh. Nesting the (per class) plugin sentries can require them to

[wxWidgets.git] / samples / image / image.cpp

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 7d869ced3ec7e18173959d7aea69db9b5541fc41..c03daca0775ab34a885ed9703c9166b5f07173a2 100644 (file)
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -19,12 +19,15 @@
 #endif
 
 #include "wx/image.h"
 #endif
 
 #include "wx/image.h"

-

 #include "wx/file.h"
 #include "wx/file.h"

+#include "wx/mstream.h"
+#include "wx/wfstream.h"
+#include "wx/quantize.h"

 
 #include "smile.xbm"
 #include "smile.xpm"
 
 
 #include "smile.xbm"
 #include "smile.xpm"
 

+

 // derived classes
 
 class MyFrame;
 // derived classes
 
 class MyFrame;


@@ -48,6 +51,8 @@ public:
     wxBitmap  *my_horse_pcx;
     wxBitmap  *my_horse_pnm;
     wxBitmap  *my_horse_tiff;
     wxBitmap  *my_horse_pcx;
     wxBitmap  *my_horse_pnm;
     wxBitmap  *my_horse_tiff;

+    wxBitmap  *my_horse_xpm;
+

     wxBitmap  *my_smile_xbm;
     wxBitmap  *my_square;
     wxBitmap  *my_anti;
     wxBitmap  *my_smile_xbm;
     wxBitmap  *my_square;
     wxBitmap  *my_anti;


@@ -61,14 +66,42 @@ private:
     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 

+
+const int nChoices = 8 ;
+static const wxString bppchoices[nChoices] =
+{
+    "1 bpp color",
+    "1 bpp B&W",
+    "4 bpp color",
+    "8 bpp color",
+    "8 bpp greyscale",
+    "8 bpp red",
+    "8 bpp own palette",
+    "24 bpp"
+};
+
+static const int bppvalues[nChoices] =
+{
+    wxBMP_1BPP,
+    wxBMP_1BPP_BW,
+    wxBMP_4BPP,
+    wxBMP_8BPP,
+    wxBMP_8BPP_GREY,
+    wxBMP_8BPP_RED,
+    wxBMP_8BPP_PALETTE,
+    wxBMP_24BPP
+};
+

 // MyFrame
 
 // MyFrame
 

+

 class MyFrame: public wxFrame
 {
 public:
     MyFrame();
 
     void OnAbout( wxCommandEvent &event );
 class MyFrame: public wxFrame
 {
 public:
     MyFrame();
 
     void OnAbout( wxCommandEvent &event );

+    void OnNewFrame( wxCommandEvent &event );

     void OnQuit( wxCommandEvent &event );
 
     MyCanvas         *m_canvas;
     void OnQuit( wxCommandEvent &event );
 
     MyCanvas         *m_canvas;


@@ -78,6 +111,97 @@ private:
     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_EVENT_TABLE()
 };
 

+class MyImageFrame : public wxFrame
+{
+public:
+    MyImageFrame(wxFrame *parent, const wxBitmap& bitmap)
+        : wxFrame(parent, -1, _T("Double click to save"),
+                  wxDefaultPosition, wxDefaultSize,
+                  wxCAPTION | wxSYSTEM_MENU),
+                  m_bitmap(bitmap)
+    {
+        SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
+    }
+
+    void OnPaint(wxPaintEvent& WXUNUSED(event))
+    {
+        wxPaintDC dc( this );
+        dc.DrawBitmap( m_bitmap, 0, 0 );
+    }
+
+    void OnSave(wxCommandEvent& WXUNUSED(event))
+    {
+        wxImage image(m_bitmap);
+
+        int bppselection = wxGetSingleChoiceIndex("Set BMP BPP",
+                                                  "Set BMP BPP",
+                                                  nChoices,
+                                                  bppchoices,
+                                                  this);
+        if ( bppselection == -1 )
+        {
+            // cancelled
+            return;
+        }
+
+        image.SetOption(wxBMP_FORMAT, bppvalues[bppselection]);
+
+        wxString deffilename = bppchoices[bppselection];
+        deffilename.Replace(wxT(" "), wxT("_"));
+        deffilename += wxT(".bmp");
+        wxString savefilename = wxFileSelector( wxT("Save Image"),
+                                                wxT(""),
+                                                deffilename,
+                                                (const wxChar *)NULL,
+                                            wxT("BMP files (*.bmp)|*.bmp|")
+                                            wxT("PNG files (*.png)|*.png|")
+                                            wxT("JPEG files (*.jpg)|*.jpg|")
+                                            wxT("GIF files (*.gif)|*.gif|")
+                                            wxT("TIFF files (*.tif)|*.tif|")
+                                            wxT("PCX files (*.pcx)|*.pcx"),
+                                                wxSAVE);
+
+        if ( savefilename.empty() )
+            return;
+
+        if ( image.GetOptionInt(wxBMP_FORMAT) == wxBMP_8BPP_PALETTE )
+        {
+            unsigned char *cmap = new unsigned char [256];
+            for ( int i = 0; i < 256; i++ )
+                cmap[i] = i;
+            image.SetPalette(wxPalette(256, cmap, cmap, cmap));
+
+            delete cmap;
+        }
+
+        bool saved = FALSE;
+
+        wxString extension = savefilename.AfterLast('.').Lower();
+
+        if (extension == "bmp")
+            saved=image.SaveFile(savefilename, wxBITMAP_TYPE_BMP);
+        else if (extension == "png")
+            saved=image.SaveFile(savefilename, wxBITMAP_TYPE_PNG);
+        else if (extension == "pcx")
+            saved=image.SaveFile(savefilename, wxBITMAP_TYPE_PCX);
+        else if ((extension == "tif") || (extension == "tiff"))
+            saved=image.SaveFile(savefilename, wxBITMAP_TYPE_TIF);
+        else if (extension == "jpg")
+            saved=image.SaveFile(savefilename, wxBITMAP_TYPE_JPEG);
+        else if (extension == "pnm")
+            saved=image.SaveFile(savefilename, wxBITMAP_TYPE_PNM);
+        else
+            wxMessageBox("Unknown file type, see options in file selector.",
+                         "Unknown file type",
+                         wxOK|wxCENTRE, this);
+    }
+
+private:
+    wxBitmap m_bitmap;
+
+    DECLARE_EVENT_TABLE()
+};
+

 // MyApp
 
 class MyApp: public wxApp
 // MyApp
 
 class MyApp: public wxApp


@@ -94,14 +218,22 @@ IMPLEMENT_APP(MyApp)
 
 IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow)
 
 
 IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow)
 

+BEGIN_EVENT_TABLE(MyImageFrame, wxFrame)
+  EVT_PAINT(MyImageFrame::OnPaint)
+  EVT_LEFT_DCLICK(MyImageFrame::OnSave)
+END_EVENT_TABLE()
+

 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
   EVT_PAINT(MyCanvas::OnPaint)
 END_EVENT_TABLE()
 
 MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
                     const wxPoint &pos, const wxSize &size )
 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
   EVT_PAINT(MyCanvas::OnPaint)
 END_EVENT_TABLE()
 
 MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
                     const wxPoint &pos, const wxSize &size )

-        : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER ),
-          m_bmpSmileXpm(smile_xpm), m_iconSmileXpm(smile_xpm)
+        : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER )
+#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
+          , m_bmpSmileXpm((const char **) smile_xpm)
+          , m_iconSmileXpm((const char **) smile_xpm)
+#endif

 {
     my_horse_png = (wxBitmap*) NULL;
     my_horse_jpeg = (wxBitmap*) NULL;
 {
     my_horse_png = (wxBitmap*) NULL;
     my_horse_jpeg = (wxBitmap*) NULL;


@@ -110,6 +242,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
     my_horse_pcx = (wxBitmap*) NULL;
     my_horse_pnm = (wxBitmap*) NULL;
     my_horse_tiff = (wxBitmap*) NULL;
     my_horse_pcx = (wxBitmap*) NULL;
     my_horse_pnm = (wxBitmap*) NULL;
     my_horse_tiff = (wxBitmap*) NULL;

+    my_horse_xpm = (wxBitmap*) NULL;

     my_smile_xbm = (wxBitmap*) NULL;
     my_square = (wxBitmap*) NULL;
     my_anti = (wxBitmap*) NULL;
     my_smile_xbm = (wxBitmap*) NULL;
     my_square = (wxBitmap*) NULL;
     my_anti = (wxBitmap*) NULL;


@@ -120,7 +253,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
 
     wxMemoryDC dc;
     dc.SelectObject( bitmap );
 
     wxMemoryDC dc;
     dc.SelectObject( bitmap );

-    dc.SetBrush( wxBrush( "orange", wxSOLID ) );
+    dc.SetBrush( wxBrush( wxT("orange"), wxSOLID ) );

     dc.SetPen( *wxBLACK_PEN );
     dc.DrawRectangle( 0, 0, 100, 100 );
     dc.SetBrush( *wxWHITE_BRUSH );
     dc.SetPen( *wxBLACK_PEN );
     dc.DrawRectangle( 0, 0, 100, 100 );
     dc.SetBrush( *wxWHITE_BRUSH );


@@ -129,72 +262,106 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
 
     // try to find the directory with our images
     wxString dir;
 
     // try to find the directory with our images
     wxString dir;

-    if ( wxFile::Exists("./horse.png") )
+    if ( wxFile::Exists(wxT("./horse.png")) )

         dir = "./";
         dir = "./";

-    else if ( wxFile::Exists("../horse.png") )
+    else if ( wxFile::Exists(wxT("../horse.png")) )

         dir = "../";
     else
         dir = "../";
     else

-        wxLogWarning("Can't find image files in either '.' or '..'!");
+        wxLogWarning(wxT("Can't find image files in either '.' or '..'!"));

 
 

-    wxImage image( bitmap );
+    wxImage image = bitmap.ConvertToImage();

 
 #if wxUSE_LIBPNG
 
 #if wxUSE_LIBPNG

-    if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG ) )
-        wxLogError("Can't save file");
+    if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG ))
+        wxLogError(wxT("Can't save file"));

 
 

-    if ( !image.LoadFile( dir + wxString("horse.png"), wxBITMAP_TYPE_PNG ) )
-        wxLogError("Can't load PNG image");
+    image.Destroy();
+
+    image.LoadFile( dir + wxString("test.png") );
+    my_square = new wxBitmap( image );
+
+    image.Destroy();
+
+    if ( !image.LoadFile( dir + wxString("horse.png")) )
+        wxLogError(wxT("Can't load PNG image"));

     else
     else

-        my_horse_png = new wxBitmap( image.ConvertToBitmap() );
+        my_horse_png = new wxBitmap( image );

 #endif // wxUSE_LIBPNG
 
 #if wxUSE_LIBJPEG
 #endif // wxUSE_LIBPNG
 
 #if wxUSE_LIBJPEG

-    if ( !image.LoadFile( dir + wxString("horse.jpg") ) )
-        wxLogError("Can't load JPG image");
+    image.Destroy();
+
+    if ( !image.LoadFile( dir + wxString("horse.jpg")) )
+        wxLogError(wxT("Can't load JPG image"));

     else
     else

-        my_horse_jpeg = new wxBitmap( image.ConvertToBitmap() );
+        my_horse_jpeg = new wxBitmap( image );

 #endif // wxUSE_LIBJPEG
 
 #if wxUSE_GIF
 #endif // wxUSE_LIBJPEG
 
 #if wxUSE_GIF

-    if ( !image.LoadFile( dir + wxString("horse.gif") ) )
-        wxLogError("Can't load GIF image");
+    image.Destroy();
+
+    if ( !image.LoadFile( dir + wxString("horse.gif")) )
+        wxLogError(wxT("Can't load GIF image"));

     else
     else

-        my_horse_gif = new wxBitmap( image.ConvertToBitmap() );
+        my_horse_gif = new wxBitmap( image );

 #endif
 
 #if wxUSE_PCX
 #endif
 
 #if wxUSE_PCX

+    image.Destroy();
+

     if ( !image.LoadFile( dir + wxString("horse.pcx"), wxBITMAP_TYPE_PCX ) )
     if ( !image.LoadFile( dir + wxString("horse.pcx"), wxBITMAP_TYPE_PCX ) )

-        wxLogError("Can't load PCX image");
+        wxLogError(wxT("Can't load PCX image"));

     else
     else

-        my_horse_pcx = new wxBitmap( image.ConvertToBitmap() );
+        my_horse_pcx = new wxBitmap( image );

 #endif
 
 #endif
 

+    image.Destroy();
+

     if ( !image.LoadFile( dir + wxString("horse.bmp"), wxBITMAP_TYPE_BMP ) )
     if ( !image.LoadFile( dir + wxString("horse.bmp"), wxBITMAP_TYPE_BMP ) )

-        wxLogError("Can't load BMP image");
+        wxLogError(wxT("Can't load BMP image"));
+    else
+        my_horse_bmp = new wxBitmap( image );
+
+#if wxUSE_XPM
+    image.Destroy();
+
+    if ( !image.LoadFile( dir + wxString("horse.xpm"), wxBITMAP_TYPE_XPM ) )
+        wxLogError(wxT("Can't load XPM image"));

     else
     else

-        my_horse_bmp = new wxBitmap( image.ConvertToBitmap() );
+        my_horse_xpm = new wxBitmap( image );
+
+    if ( !image.SaveFile( dir + wxString("test.xpm"), wxBITMAP_TYPE_XPM ))
+        wxLogError(wxT("Can't save file"));
+#endif

 
 #if wxUSE_PNM
 
 #if wxUSE_PNM

+    image.Destroy();
+

     if ( !image.LoadFile( dir + wxString("horse.pnm"), wxBITMAP_TYPE_PNM ) )
     if ( !image.LoadFile( dir + wxString("horse.pnm"), wxBITMAP_TYPE_PNM ) )

-        wxLogError("Can't load PNM image");
+        wxLogError(wxT("Can't load PNM image"));

     else
     else

-        my_horse_pnm = new wxBitmap( image.ConvertToBitmap() );
+        my_horse_pnm = new wxBitmap( image );

 #endif
 
 #if wxUSE_LIBTIFF
 #endif
 
 #if wxUSE_LIBTIFF

+    image.Destroy();
+

     if ( !image.LoadFile( dir + wxString("horse.tif"), wxBITMAP_TYPE_TIF ) )
     if ( !image.LoadFile( dir + wxString("horse.tif"), wxBITMAP_TYPE_TIF ) )

-        wxLogError("Can't load TIFF image");
+        wxLogError(wxT("Can't load TIFF image"));

     else
     else

-        my_horse_tiff = new wxBitmap( image.ConvertToBitmap() );
+        my_horse_tiff = new wxBitmap( image );

 #endif
 
 #endif
 

-    image.LoadFile( dir + wxString("test.png") );
-    my_square = new wxBitmap( image.ConvertToBitmap() );
-

     CreateAntiAliasedBitmap();
 
     my_smile_xbm = new wxBitmap( (const char*)smile_bits, smile_width,
                                  smile_height, 1 );
     CreateAntiAliasedBitmap();
 
     my_smile_xbm = new wxBitmap( (const char*)smile_bits, smile_width,
                                  smile_height, 1 );

+
+#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
+    // demonstrates XPM automatically using the mask when saving
+    if ( m_bmpSmileXpm.Ok() )
+        m_bmpSmileXpm.SaveFile("saved.xpm", wxBITMAP_TYPE_XPM);
+#endif

 }
 
 MyCanvas::~MyCanvas()
 }
 
 MyCanvas::~MyCanvas()


@@ -206,6 +373,7 @@ MyCanvas::~MyCanvas()
     delete my_horse_bmp;
     delete my_horse_pcx;
     delete my_horse_tiff;
     delete my_horse_bmp;
     delete my_horse_pcx;
     delete my_horse_tiff;

+    delete my_horse_xpm;

     delete my_smile_xbm;
     delete my_square;
     delete my_anti;
     delete my_smile_xbm;
     delete my_square;
     delete my_anti;


@@ -220,7 +388,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     if (my_square && my_square->Ok()) dc.DrawBitmap( *my_square, 30, 30 );
 
     dc.DrawText( "Drawn directly", 150, 10 );
     if (my_square && my_square->Ok()) dc.DrawBitmap( *my_square, 30, 30 );
 
     dc.DrawText( "Drawn directly", 150, 10 );

-    dc.SetBrush( wxBrush( "orange", wxSOLID ) );
+    dc.SetBrush( wxBrush( wxT("orange"), wxSOLID ) );

     dc.SetPen( *wxBLACK_PEN );
     dc.DrawRectangle( 150, 30, 100, 100 );
     dc.SetBrush( *wxWHITE_BRUSH );
     dc.SetPen( *wxBLACK_PEN );
     dc.DrawRectangle( 150, 30, 100, 100 );
     dc.SetBrush( *wxWHITE_BRUSH );


@@ -263,28 +431,37 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     if (my_horse_tiff && my_horse_tiff->Ok())
         dc.DrawBitmap( *my_horse_tiff, 30, 1530 );
 
     if (my_horse_tiff && my_horse_tiff->Ok())
         dc.DrawBitmap( *my_horse_tiff, 30, 1530 );
 

+    dc.DrawText( "XPM handler", 30, 1745 );
+    if (my_horse_xpm && my_horse_xpm->Ok())
+        dc.DrawBitmap( *my_horse_xpm, 30, 1760 );
+

     if (my_smile_xbm && my_smile_xbm->Ok())
     {
     if (my_smile_xbm && my_smile_xbm->Ok())
     {

-        dc.DrawText( "XBM bitmap", 30, 1745 );
-        dc.SetTextForeground( "RED" );
-        dc.SetTextBackground( "GREEN" );
-        dc.DrawBitmap( *my_smile_xbm, 30, 1760 );
-
-        dc.DrawText( "After wxImage conversion", 150, 1745 );
-        wxImage i( *my_smile_xbm );
-        i.SetMaskColour( 0,0,0 );
-        i.Replace( 255,255,255,
+        dc.DrawText( "XBM bitmap", 30, 1975 );
+        dc.DrawText( "(green on red)", 30, 1990 );
+        dc.SetTextForeground( wxT("GREEN") );
+        dc.SetTextBackground( wxT("RED") );
+        dc.DrawBitmap( *my_smile_xbm, 30, 2010 );
+
+        dc.SetTextForeground( wxT("BLACK") );
+        dc.DrawText( "After wxImage conversion", 150, 1975 );
+        dc.DrawText( "(red on white)", 150, 1990 );
+        dc.SetTextForeground( wxT("RED") );
+        wxImage i = my_smile_xbm->ConvertToImage();
+        i.SetMaskColour( 255, 255, 255 );
+        i.Replace( 0, 0, 0,

                wxRED_PEN->GetColour().Red(),
                wxRED_PEN->GetColour().Green(),
                wxRED_PEN->GetColour().Blue() );
                wxRED_PEN->GetColour().Red(),
                wxRED_PEN->GetColour().Green(),
                wxRED_PEN->GetColour().Blue() );

-        dc.DrawBitmap( i.ConvertToBitmap(), 150, 1760, TRUE );
+        dc.DrawBitmap( i.ConvertToBitmap(), 150, 2010, TRUE );
+        dc.SetTextForeground( wxT("BLACK") );

     }
     }

-    dc.SetTextForeground( "BLACK" );
+

 
     wxBitmap mono( 60,50,1 );
     wxMemoryDC memdc;
     memdc.SelectObject( mono );
 
     wxBitmap mono( 60,50,1 );
     wxMemoryDC memdc;
     memdc.SelectObject( mono );

-    memdc.SetPen( *wxTRANSPARENT_PEN );
+    memdc.SetPen( *wxBLACK_PEN );

     memdc.SetBrush( *wxWHITE_BRUSH );
     memdc.DrawRectangle( 0,0,60,50 );
     memdc.SetTextForeground( *wxBLACK );
     memdc.SetBrush( *wxWHITE_BRUSH );
     memdc.DrawRectangle( 0,0,60,50 );
     memdc.SetTextForeground( *wxBLACK );


@@ -294,36 +471,39 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     memdc.SetPen( *wxRED_PEN );
     memdc.DrawLine( 5, 42, 50, 42 );
     memdc.SelectObject( wxNullBitmap );
     memdc.SetPen( *wxRED_PEN );
     memdc.DrawLine( 5, 42, 50, 42 );
     memdc.SelectObject( wxNullBitmap );

+

     if (mono.Ok())
     {
     if (mono.Ok())
     {

-        dc.DrawText( "Mono bitmap", 30, 1845 );
-        dc.SetTextForeground( "RED" );
-        dc.SetTextBackground( "GREEN" );
-        dc.DrawBitmap( mono, 30, 1860 );
-
-        dc.SetTextForeground( "BLACK" );
-        dc.DrawText( "After wxImage conversion", 150, 1845 );
-        dc.SetTextForeground( "RED" );
-        wxImage i( mono );
+        dc.DrawText( "Mono bitmap", 30, 2095 );
+        dc.DrawText( "(red on green)", 30, 2110 );
+        dc.SetTextForeground( wxT("RED") );
+        dc.SetTextBackground( wxT("GREEN") );
+        dc.DrawBitmap( mono, 30, 2130 );
+
+        dc.SetTextForeground( wxT("BLACK") );
+        dc.DrawText( "After wxImage conversion", 150, 2095 );
+        dc.DrawText( "(red on white)", 150, 2110 );
+        dc.SetTextForeground( wxT("RED") );
+        wxImage i = mono.ConvertToImage();

         i.SetMaskColour( 255,255,255 );
         i.Replace( 0,0,0,
                wxRED_PEN->GetColour().Red(),
                wxRED_PEN->GetColour().Green(),
                wxRED_PEN->GetColour().Blue() );
         i.SetMaskColour( 255,255,255 );
         i.Replace( 0,0,0,
                wxRED_PEN->GetColour().Red(),
                wxRED_PEN->GetColour().Green(),
                wxRED_PEN->GetColour().Blue() );

-        dc.DrawBitmap( i.ConvertToBitmap(), 150, 1860, TRUE );
-        dc.SetTextForeground( "BLACK" );
+        dc.DrawBitmap( i.ConvertToBitmap(), 150, 2130, TRUE );
+        dc.SetTextForeground( wxT("BLACK") );

     }
 
     }
 

-    dc.DrawText("XPM bitmap", 30, 1950);
+    dc.DrawText("XPM bitmap", 30, 2230);

     if ( m_bmpSmileXpm.Ok() )
     {
     if ( m_bmpSmileXpm.Ok() )
     {

-        dc.DrawBitmap(m_bmpSmileXpm, 30, 1975, TRUE);
+        dc.DrawBitmap(m_bmpSmileXpm, 30, 2250, TRUE);

     }
 
     }
 

-    dc.DrawText("XPM icon", 150, 1950);
+    dc.DrawText("XPM icon", 150, 2230);

     if ( m_iconSmileXpm.Ok() )
     {
     if ( m_iconSmileXpm.Ok() )
     {

-        dc.DrawIcon(m_iconSmileXpm, 150, 1975);
+        dc.DrawIcon(m_iconSmileXpm, 150, 2250);

     }
 }
 
     }
 }
 


@@ -338,7 +518,7 @@ void MyCanvas::CreateAntiAliasedBitmap()
   dc.Clear();
 
   dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL) );
   dc.Clear();
 
   dc.SetFont( wxFont( 24, wxDECORATIVE, wxNORMAL, wxNORMAL) );

-  dc.SetTextForeground( "RED" );
+  dc.SetTextForeground( wxT("RED") );

   dc.DrawText( "This is anti-aliased Text.", 20, 20 );
   dc.DrawText( "And a Rectangle.", 20, 60 );
 
   dc.DrawText( "This is anti-aliased Text.", 20, 20 );
   dc.DrawText( "And a Rectangle.", 20, 60 );
 


@@ -346,7 +526,7 @@ void MyCanvas::CreateAntiAliasedBitmap()
   dc.SetPen( *wxTRANSPARENT_PEN );
   dc.DrawRoundedRectangle( 20, 100, 200, 180, 20 );
 
   dc.SetPen( *wxTRANSPARENT_PEN );
   dc.DrawRoundedRectangle( 20, 100, 200, 180, 20 );
 

-  wxImage original( bitmap );
+  wxImage original= bitmap.ConvertToImage();

   wxImage anti( 150, 150 );
 
   /* This is quite slow, but safe. Use wxImage::GetData() for speed instead. */
   wxImage anti( 150, 150 );
 
   /* This is quite slow, but safe. Use wxImage::GetData() for speed instead. */


@@ -380,12 +560,14 @@ void MyCanvas::CreateAntiAliasedBitmap()
 
 const int ID_QUIT  = 108;
 const int ID_ABOUT = 109;
 
 const int ID_QUIT  = 108;
 const int ID_ABOUT = 109;

+const int ID_NEW = 110;

 
 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
 
 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
 
 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
 
 BEGIN_EVENT_TABLE(MyFrame,wxFrame)
   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)

+  EVT_MENU    (ID_NEW,  MyFrame::OnNewFrame)

 END_EVENT_TABLE()
 
 MyFrame::MyFrame()
 END_EVENT_TABLE()
 
 MyFrame::MyFrame()


@@ -393,7 +575,10 @@ MyFrame::MyFrame()
                   wxPoint(20,20), wxSize(470,360) )
 {
   wxMenu *file_menu = new wxMenu();
                   wxPoint(20,20), wxSize(470,360) )
 {
   wxMenu *file_menu = new wxMenu();

-  file_menu->Append( ID_ABOUT, "&About..");
+  file_menu->Append( ID_NEW, "&Show image...");
+  file_menu->AppendSeparator();
+  file_menu->Append( ID_ABOUT, "&About...");
+  file_menu->AppendSeparator();

   file_menu->Append( ID_QUIT, "E&xit");
 
   wxMenuBar *menu_bar = new wxMenuBar();
   file_menu->Append( ID_QUIT, "E&xit");
 
   wxMenuBar *menu_bar = new wxMenuBar();


@@ -408,7 +593,7 @@ MyFrame::MyFrame()
   m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
 
   // 500 width * 2100 height
   m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
 
   // 500 width * 2100 height

-  m_canvas->SetScrollbars( 10, 10, 50, 210 );
+  m_canvas->SetScrollbars( 10, 10, 50, 220 );

 }
 
 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 }
 
 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )


@@ -423,6 +608,23 @@ void MyFrame::OnAbout( wxCommandEvent &WXUNUSED(event) )
                       "About wxImage Demo", wxICON_INFORMATION | wxOK );
 }
 
                       "About wxImage Demo", wxICON_INFORMATION | wxOK );
 }
 

+void MyFrame::OnNewFrame( wxCommandEvent &WXUNUSED(event) )
+{
+    wxString filename = wxFileSelector(_T("Select image file"));
+    if ( !filename )
+        return;
+
+    wxImage image;
+    if ( !image.LoadFile(filename) )
+    {
+        wxLogError(_T("Couldn't load image from '%s'."), filename.c_str());
+
+        return;
+    }
+
+    (new MyImageFrame(this, image.ConvertToBitmap()))->Show();
+}
+

 //-----------------------------------------------------------------------------
 // MyApp
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // MyApp
 //-----------------------------------------------------------------------------


@@ -453,6 +655,10 @@ bool MyApp::OnInit()
   wxImage::AddHandler( new wxPNMHandler );
 #endif
 
   wxImage::AddHandler( new wxPNMHandler );
 #endif
 

+#if wxUSE_XPM
+  wxImage::AddHandler( new wxXPMHandler );
+#endif
+

   wxFrame *frame = new MyFrame();
   frame->Show( TRUE );
 
   wxFrame *frame = new MyFrame();
   frame->Show( TRUE );