Fixes to allow compilation with no wchar_t (djgpp probably has a real wchar_t

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

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 584dda78481262c5de7ad84f3d30b39c85bf880d..7bfe2db778bfb71e12cd5ee0f075341acd8aba2e 100644 (file)
--- a/samples/image/image.cpp
+++ b/samples/image/image.cpp
@@ -1,11 +1,13 @@
-/*
- * Program: image
- *
- * Author: Robert Roebling
- *
- * Copyright: (C) 1998, Robert Roebling
- *
- */
+///////////////////////////////////////////////////////////////////////////////
+// Name:        samples/image/image.cpp
+// Purpose:     sample showing operations with wxImage
+// Author:      Robert Roebling
+// Modified by:
+// Created:     1998
+// RCS-ID:      $Id$
+// Copyright:   (c) 1998-2005 Robert Roebling
+// License:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////

 
 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"
 
 // For compilers that support precompilation, includes "wx/wx.h".
 #include "wx/wxprec.h"


@@ -20,6 +22,7 @@
 
 #include "wx/image.h"
 #include "wx/file.h"
 
 #include "wx/image.h"
 #include "wx/file.h"

+#include "wx/filename.h"

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


@@ -30,13 +33,17 @@
 #endif // wxUSE_CLIPBOARD
 
 #include "smile.xbm"
 #endif // wxUSE_CLIPBOARD
 
 #include "smile.xbm"

+#include "smile.xpm"

 
 

-#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW
-    #include "smile.xpm"
+#if defined(__WXMSW__)
+    #ifdef wxHAVE_RAW_BITMAP
+    #include "wx/rawbmp.h"
+    #endif

 #endif
 
 #endif
 

-#if defined(__WXMSW__)
+#if defined(__WXMAC__) || defined(__WXGTK__)

     #define wxHAVE_RAW_BITMAP
     #define wxHAVE_RAW_BITMAP

+    #include "wx/rawbmp.h"

 #endif
 
 // derived classes
 #endif
 
 // derived classes


@@ -87,31 +94,6 @@ private:
 };
 
 
 };
 
 

-const int nChoices = 8 ;
-static const wxString bppchoices[nChoices] =
-{
-    _T("1 bpp color"),
-    _T("1 bpp B&W"),
-    _T("4 bpp color"),
-    _T("8 bpp color"),
-    _T("8 bpp greyscale"),
-    _T("8 bpp red"),
-    _T("8 bpp own palette"),
-    _T("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
 
 


@@ -127,7 +109,7 @@ public:
 #endif // wxHAVE_RAW_BITMAP
     void OnQuit( wxCommandEvent &event );
 
 #endif // wxHAVE_RAW_BITMAP
     void OnQuit( wxCommandEvent &event );
 

-#if wxUSE_CLIPBOARD && !defined(__WXMOTIF_)
+#if wxUSE_CLIPBOARD

     void OnCopy(wxCommandEvent& event);
     void OnPaste(wxCommandEvent& event);
 #endif // wxUSE_CLIPBOARD
     void OnCopy(wxCommandEvent& event);
     void OnPaste(wxCommandEvent& event);
 #endif // wxUSE_CLIPBOARD


@@ -143,7 +125,7 @@ class MyImageFrame : public wxFrame
 {
 public:
     MyImageFrame(wxFrame *parent, const wxBitmap& bitmap)
 {
 public:
     MyImageFrame(wxFrame *parent, const wxBitmap& bitmap)

-        : wxFrame(parent, -1, _T("Double click to save"),
+        : wxFrame(parent, wxID_ANY, _T("Double click to save"),

                   wxDefaultPosition, wxDefaultSize,
                   wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX),
                   m_bitmap(bitmap)
                   wxDefaultPosition, wxDefaultSize,
                   wxCAPTION | wxSYSTEM_MENU | wxCLOSE_BOX),
                   m_bitmap(bitmap)


@@ -159,32 +141,16 @@ public:
     void OnPaint(wxPaintEvent& WXUNUSED(event))
     {
         wxPaintDC dc( this );
     void OnPaint(wxPaintEvent& WXUNUSED(event))
     {
         wxPaintDC dc( this );

-        dc.DrawBitmap( m_bitmap, 0, 0, TRUE /* use mask */ );
+        dc.DrawBitmap( m_bitmap, 0, 0, true /* use mask */ );

     }
 
     void OnSave(wxMouseEvent& WXUNUSED(event))
     {
         wxImage image = m_bitmap.ConvertToImage();
 
     }
 
     void OnSave(wxMouseEvent& WXUNUSED(event))
     {
         wxImage image = m_bitmap.ConvertToImage();
 

-        int bppselection = wxGetSingleChoiceIndex(_T("Set BMP BPP"),
-                                                  _T("Set BMP BPP"),
-                                                  nChoices,
-                                                  bppchoices,
-                                                  this);
-        if ( bppselection == -1 )
-        {
-            // cancelled
-            return;
-        }
-
-        image.SetOption(wxIMAGE_OPTION_BMP_FORMAT, bppvalues[bppselection]);
-
-        wxString deffilename = bppchoices[bppselection];
-        deffilename.Replace(wxT(" "), wxT("_"));
-        deffilename += wxT(".bmp");

         wxString savefilename = wxFileSelector( wxT("Save Image"),
                                                 wxT(""),
         wxString savefilename = wxFileSelector( wxT("Save Image"),
                                                 wxT(""),

-                                                deffilename,
+                                                wxT(""),

                                                 (const wxChar *)NULL,
                                             wxT("BMP files (*.bmp)|*.bmp|")
                                             wxT("PNG files (*.png)|*.png|")
                                                 (const wxChar *)NULL,
                                             wxT("BMP files (*.bmp)|*.bmp|")
                                             wxT("PNG files (*.png)|*.png|")


@@ -194,44 +160,112 @@ public:
                                             wxT("PCX files (*.pcx)|*.pcx|")
                                             wxT("ICO files (*.ico)|*.ico|")
                                             wxT("CUR files (*.cur)|*.cur"),
                                             wxT("PCX files (*.pcx)|*.pcx|")
                                             wxT("ICO files (*.ico)|*.ico|")
                                             wxT("CUR files (*.cur)|*.cur"),

-                                                wxSAVE);
+                                                wxSAVE,
+                                                this);

 
         if ( savefilename.empty() )
             return;
 
 
         if ( savefilename.empty() )
             return;
 

-        if ( image.GetOptionInt(wxIMAGE_OPTION_BMP_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));
+        wxString extension;
+        wxFileName::SplitPath(savefilename, NULL, NULL, &extension);

 
 

-            delete cmap;
+        bool saved = false;
+        if ( extension == _T("bpp") )
+        {
+            static const int bppvalues[] =
+            {
+                wxBMP_1BPP,
+                wxBMP_1BPP_BW,
+                wxBMP_4BPP,
+                wxBMP_8BPP,
+                wxBMP_8BPP_GREY,
+                wxBMP_8BPP_RED,
+                wxBMP_8BPP_PALETTE,
+                wxBMP_24BPP
+            };
+
+            const wxString bppchoices[] =
+            {
+                _T("1 bpp color"),
+                _T("1 bpp B&W"),
+                _T("4 bpp color"),
+                _T("8 bpp color"),
+                _T("8 bpp greyscale"),
+                _T("8 bpp red"),
+                _T("8 bpp own palette"),
+                _T("24 bpp")
+            };
+
+            int bppselection = wxGetSingleChoiceIndex(_T("Set BMP BPP"),
+                                                      _T("Image sample: save file"),
+                                                      WXSIZEOF(bppchoices),
+                                                      bppchoices,
+                                                      this);
+            if ( bppselection != -1 )
+            {
+                int format = bppvalues[bppselection];
+                image.SetOption(wxIMAGE_OPTION_BMP_FORMAT, format);
+
+                if ( format == wxBMP_8BPP_PALETTE )
+                {
+                    unsigned char *cmap = new unsigned char [256];
+                    for ( int i = 0; i < 256; i++ )
+                        cmap[i] = (unsigned char)i;
+                    image.SetPalette(wxPalette(256, cmap, cmap, cmap));
+
+                    delete cmap;
+                }
+            }

         }
         }

-
-        bool loaded;
-        wxString extension = savefilename.AfterLast('.').Lower();
-
-        if (extension == _T("cur"))
+        else if ( extension == _T("png") )
+        {
+            static const int pngvalues[] =
+            {
+                wxPNG_TYPE_COLOUR,
+                wxPNG_TYPE_COLOUR,
+                wxPNG_TYPE_GREY,
+                wxPNG_TYPE_GREY,
+                wxPNG_TYPE_GREY_RED,
+                wxPNG_TYPE_GREY_RED,
+            };
+
+            const wxString pngchoices[] =
+            {
+                _T("Colour 8bpp"),
+                _T("Colour 16bpp"),
+                _T("Grey 8bpp"),
+                _T("Grey 16bpp"),
+                _T("Grey red 8bpp"),
+                _T("Grey red 16bpp"),
+            };
+
+            int sel = wxGetSingleChoiceIndex(_T("Set PNG format"),
+                                             _T("Image sample: save file"),
+                                             WXSIZEOF(pngchoices),
+                                             pngchoices,
+                                             this);
+            if ( sel != -1 )
+            {
+                image.SetOption(wxIMAGE_OPTION_PNG_FORMAT, pngvalues[sel]);
+                image.SetOption(wxIMAGE_OPTION_PNG_BITDEPTH, sel % 2 ? 16 : 8);
+            }
+        }
+        else if ( extension == _T("cur") )

         {
             image.Rescale(32,32);
             image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, 0);
             image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, 0);
             // This shows how you can save an image with explicitly
             // specified image format:
         {
             image.Rescale(32,32);
             image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_X, 0);
             image.SetOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y, 0);
             // This shows how you can save an image with explicitly
             // specified image format:

-            loaded = image.SaveFile(savefilename, wxBITMAP_TYPE_CUR);
+            saved = image.SaveFile(savefilename, wxBITMAP_TYPE_CUR);

         }
         }

-        else
+
+        if ( !saved )

         {
             // This one guesses image format from filename extension
             // (it may fail if the extension is not recognized):
         {
             // This one guesses image format from filename extension
             // (it may fail if the extension is not recognized):

-            loaded = image.SaveFile(savefilename);
+            image.SaveFile(savefilename);

         }
         }

-
-        if ( !loaded )
-            wxMessageBox(_T("No handler for this file type."),
-                         _T("File was not saved"),
-                         wxOK|wxCENTRE, this);

     }
 
 private:
     }
 
 private:


@@ -255,12 +289,16 @@ public:
     };
 
     MyRawBitmapFrame(wxFrame *parent)
     };
 
     MyRawBitmapFrame(wxFrame *parent)

-        : wxFrame(parent, -1, _T("Raw bitmaps (how exciting)")),
+        : wxFrame(parent, wxID_ANY, _T("Raw bitmaps (how exciting)")),

           m_bitmap(SIZE, SIZE, 32)
     {
         SetClientSize(SIZE, SIZE);
 
           m_bitmap(SIZE, SIZE, 32)
     {
         SetClientSize(SIZE, SIZE);
 

-        wxRawBitmapData data(m_bitmap);
+        // another possibility: wxNativePixelData (don't forget to remove code
+        // setting alpha in the loop below then)
+        typedef wxAlphaPixelData Data;
+
+        Data data(m_bitmap, wxPoint(BORDER, BORDER), wxSize(REAL_SIZE, REAL_SIZE));

         if ( !data )
         {
             wxLogError(_T("Failed to gain raw access to bitmap data"));
         if ( !data )
         {
             wxLogError(_T("Failed to gain raw access to bitmap data"));


@@ -269,13 +307,11 @@ public:
 
         data.UseAlpha();
 
 
         data.UseAlpha();
 

-        wxRawBitmapIterator p(data);
-
-        p.Offset(BORDER, BORDER);
+        Data::Iterator p(data);

 
         for ( int y = 0; y < REAL_SIZE; ++y )
         {
 
         for ( int y = 0; y < REAL_SIZE; ++y )
         {

-            wxRawBitmapIterator rowStart = p;
+            Data::Iterator rowStart = p;

 
             int r = y < REAL_SIZE/3 ? 255 : 0,
                 g = (REAL_SIZE/3 <= y) && (y < 2*(REAL_SIZE/3)) ? 255 : 0,
 
             int r = y < REAL_SIZE/3 ? 255 : 0,
                 g = (REAL_SIZE/3 <= y) && (y < 2*(REAL_SIZE/3)) ? 255 : 0,


@@ -283,16 +319,18 @@ public:
 
             for ( int x = 0; x < REAL_SIZE; ++x )
             {
 
             for ( int x = 0; x < REAL_SIZE; ++x )
             {

-                p.Red() = r;
-                p.Green() = g;
-                p.Blue() = b;
-                p.Alpha() = x;
+                // note that RGB must be premultiplied by alpha
+                unsigned a = (Data::Iterator::ChannelType)((x*255.)/REAL_SIZE);
+                p.Red() = r * a / 256;
+                p.Green() = g * a / 256;
+                p.Blue() = b * a / 256;
+                p.Alpha() = a;

 
                 ++p; // same as p.OffsetX(1)
             }
 
             p = rowStart;
 
                 ++p; // same as p.OffsetX(1)
             }
 
             p = rowStart;

-            p.OffsetY(1);
+            p.OffsetY(data, 1);

         }
     }
 
         }
     }
 


@@ -302,7 +340,7 @@ public:
         dc.DrawText(_T("This is alpha and raw bitmap test"), 0, BORDER);
         dc.DrawText(_T("This is alpha and raw bitmap test"), 0, SIZE/2 - BORDER);
         dc.DrawText(_T("This is alpha and raw bitmap test"), 0, SIZE - 2*BORDER);
         dc.DrawText(_T("This is alpha and raw bitmap test"), 0, BORDER);
         dc.DrawText(_T("This is alpha and raw bitmap test"), 0, SIZE/2 - BORDER);
         dc.DrawText(_T("This is alpha and raw bitmap test"), 0, SIZE - 2*BORDER);

-        dc.DrawBitmap( m_bitmap, 0, 0, TRUE /* use mask */ );
+        dc.DrawBitmap( m_bitmap, 0, 0, true /* use mask */ );

     }
 
 private:
     }
 
 private:


@@ -350,10 +388,8 @@ END_EVENT_TABLE()
 MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
                     const wxPoint &pos, const wxSize &size )
         : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER )
 MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
                     const wxPoint &pos, const wxSize &size )
         : 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)
           , 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;


@@ -406,8 +442,8 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
 
     image.Destroy();
 
 
     image.Destroy();
 

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

 
     image.Destroy();
 
 
     image.Destroy();
 


@@ -486,11 +522,9 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
     my_smile_xbm = new wxBitmap( (const char*)smile_bits, smile_width,
                                  smile_height, 1 );
 
     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(_T("saved.xpm"), wxBITMAP_TYPE_XPM);
     // demonstrates XPM automatically using the mask when saving
     if ( m_bmpSmileXpm.Ok() )
         m_bmpSmileXpm.SaveFile(_T("saved.xpm"), wxBITMAP_TYPE_XPM);

-#endif

 
 #if wxUSE_ICO_CUR
     image.Destroy();
 
 #if wxUSE_ICO_CUR
     image.Destroy();


@@ -540,7 +574,7 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
             tmp << i ;
             wxLogError(tmp);
         }
             tmp << i ;
             wxLogError(tmp);
         }

-        else    
+        else

             my_horse_ani [i] = wxBitmap( image );
     }
 #endif // wxUSE_ICO_CUR
             my_horse_ani [i] = wxBitmap( image );
     }
 #endif // wxUSE_ICO_CUR


@@ -549,20 +583,24 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
 
     // test image loading from stream
     wxFile file(dir + _T("horse.bmp"));
 
     // test image loading from stream
     wxFile file(dir + _T("horse.bmp"));

-    off_t len = file.Length();
-    void *data = malloc(len);
-    if ( file.Read(data, len) != len )
-        wxLogError(_T("Reading bitmap file failed"));
-    else
+    if ( file.IsOpened() )

     {
     {

-        wxMemoryInputStream mis(data, len);
-        if ( !image.LoadFile(mis) )
-            wxLogError(wxT("Can't load BMP image from stream"));
+        wxFileOffset len = file.Length();
+        size_t dataSize = (size_t)len;
+        void *data = malloc(dataSize);
+        if ( file.Read(data, dataSize) != len )
+            wxLogError(_T("Reading bitmap file failed"));

         else
         else

-            my_horse_bmp2 = new wxBitmap( image );
-    }
+        {
+            wxMemoryInputStream mis(data, dataSize);
+            if ( !image.LoadFile(mis) )
+                wxLogError(wxT("Can't load BMP image from stream"));
+            else
+                my_horse_bmp2 = new wxBitmap( image );
+        }

 
 

-    free(data);
+        free(data);
+    }

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


@@ -665,7 +703,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
                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( wxBitmap(i), 150, 2010, TRUE );
+        dc.DrawBitmap( wxBitmap(i), 150, 2010, true );

         dc.SetTextForeground( wxT("BLACK") );
     }
 
         dc.SetTextForeground( wxT("BLACK") );
     }
 


@@ -677,7 +715,10 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     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 );

+#ifndef __WXGTK20__
+    // I cannot convince GTK2 to draw into mono bitmaps

     memdc.DrawText( _T("Hi!"), 5, 5 );
     memdc.DrawText( _T("Hi!"), 5, 5 );

+#endif

     memdc.SetBrush( *wxBLACK_BRUSH );
     memdc.DrawRectangle( 33,5,20,20 );
     memdc.SetPen( *wxRED_PEN );
     memdc.SetBrush( *wxBLACK_BRUSH );
     memdc.DrawRectangle( 33,5,20,20 );
     memdc.SetPen( *wxRED_PEN );


@@ -702,38 +743,65 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
                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( wxBitmap(i), 150, 2130, TRUE );
+        dc.DrawBitmap( wxBitmap(i), 150, 2130, true );

         dc.SetTextForeground( wxT("BLACK") );
     }
 
         dc.SetTextForeground( wxT("BLACK") );
     }
 

-    dc.DrawText(_T("XPM bitmap"), 30, 2230);
+    // For testing transparency
+    dc.SetBrush( *wxRED_BRUSH );
+    dc.DrawRectangle( 20, 2220, 560, 68 );
+
+    dc.DrawText(_T("XPM bitmap"), 30, 2230 );

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

-    {
-        dc.DrawBitmap(m_bmpSmileXpm, 30, 2250, TRUE);
-    }
+        dc.DrawBitmap(m_bmpSmileXpm, 30, 2250, true);

 
 

-    dc.DrawText(_T("XPM icon"), 150, 2230);
+    dc.DrawText(_T("XPM icon"), 110, 2230 );

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

+        dc.DrawIcon(m_iconSmileXpm, 110, 2250);
+
+    // testing icon -> bitmap conversion
+    wxBitmap to_blit( m_iconSmileXpm );
+    if (to_blit.Ok())

     {
     {

-        dc.DrawIcon(m_iconSmileXpm, 150, 2250);
+        dc.DrawText( _T("SubBitmap"), 170, 2230 );
+        wxBitmap sub = to_blit.GetSubBitmap( wxRect(0,0,15,15) );
+        if (sub.Ok())
+            dc.DrawBitmap( sub, 170, 2250, true );
+
+        dc.DrawText( _T("Enlarged"), 250, 2230 );
+        dc.SetUserScale( 1.5, 1.5 );
+        dc.DrawBitmap( to_blit, (int)(250/1.5), (int)(2250/1.5), true );
+        dc.SetUserScale( 2, 2 );
+        dc.DrawBitmap( to_blit, (int)(300/2), (int)(2250/2), true );
+        dc.SetUserScale( 1.0, 1.0 );
+
+        dc.DrawText( _T("Blit"), 400, 2230);
+        wxMemoryDC blit_dc;
+        blit_dc.SelectObject( to_blit );
+        dc.Blit( 400, 2250, to_blit.GetWidth(), to_blit.GetHeight(), &blit_dc, 0, 0, wxCOPY, true );
+        dc.SetUserScale( 1.5, 1.5 );
+        dc.Blit( (int)(450/1.5), (int)(2250/1.5), to_blit.GetWidth(), to_blit.GetHeight(), &blit_dc, 0, 0, wxCOPY, true );
+        dc.SetUserScale( 2, 2 );
+        dc.Blit( (int)(500/2), (int)(2250/2), to_blit.GetWidth(), to_blit.GetHeight(), &blit_dc, 0, 0, wxCOPY, true );
+        dc.SetUserScale( 1.0, 1.0 );

     }
 
     dc.DrawText( _T("ICO handler (1st image)"), 30, 2290 );
     if (my_horse_ico32 && my_horse_ico32->Ok())
     }
 
     dc.DrawText( _T("ICO handler (1st image)"), 30, 2290 );
     if (my_horse_ico32 && my_horse_ico32->Ok())

-        dc.DrawBitmap( *my_horse_ico32, 30, 2330, TRUE );
+        dc.DrawBitmap( *my_horse_ico32, 30, 2330, true );

 
     dc.DrawText( _T("ICO handler (2nd image)"), 230, 2290 );
     if (my_horse_ico16 && my_horse_ico16->Ok())
 
     dc.DrawText( _T("ICO handler (2nd image)"), 230, 2290 );
     if (my_horse_ico16 && my_horse_ico16->Ok())

-        dc.DrawBitmap( *my_horse_ico16, 230, 2330, TRUE );
+        dc.DrawBitmap( *my_horse_ico16, 230, 2330, true );

 
     dc.DrawText( _T("ICO handler (best image)"), 430, 2290 );
     if (my_horse_ico && my_horse_ico->Ok())
 
     dc.DrawText( _T("ICO handler (best image)"), 430, 2290 );
     if (my_horse_ico && my_horse_ico->Ok())

-        dc.DrawBitmap( *my_horse_ico, 430, 2330, TRUE );
+        dc.DrawBitmap( *my_horse_ico, 430, 2330, true );

 
     dc.DrawText( _T("CUR handler"), 30, 2390 );
     if (my_horse_cur && my_horse_cur->Ok())
     {
 
     dc.DrawText( _T("CUR handler"), 30, 2390 );
     if (my_horse_cur && my_horse_cur->Ok())
     {

-        dc.DrawBitmap( *my_horse_cur, 30, 2420, TRUE );
+        dc.DrawBitmap( *my_horse_cur, 30, 2420, true );

         dc.SetPen (*wxRED_PEN);
         dc.DrawLine (xH-10,yH,xH+10,yH);
         dc.DrawLine (xH,yH-10,xH,yH+10);
         dc.SetPen (*wxRED_PEN);
         dc.DrawLine (xH-10,yH,xH+10,yH);
         dc.DrawLine (xH,yH-10,xH,yH+10);


@@ -743,7 +811,7 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     for (i=0; i < m_ani_images; i ++)
         if (my_horse_ani[i].Ok())
         {
     for (i=0; i < m_ani_images; i ++)
         if (my_horse_ani[i].Ok())
         {

-            dc.DrawBitmap( my_horse_ani[i], 230 + i * 2 * my_horse_ani[i].GetWidth() , 2420, TRUE );
+            dc.DrawBitmap( my_horse_ani[i], 230 + i * 2 * my_horse_ani[i].GetWidth() , 2420, true );

         }
 }
 
         }
 }
 


@@ -791,7 +859,7 @@ void MyCanvas::CreateAntiAliasedBitmap()
                   original.GetBlue( x*2, y*2+1 ) +
                   original.GetBlue( x*2+1, y*2+1 );
        blue = blue/4;
                   original.GetBlue( x*2, y*2+1 ) +
                   original.GetBlue( x*2+1, y*2+1 );
        blue = blue/4;

-       anti.SetRGB( x, y, red, green, blue );
+       anti.SetRGB( x, y, (unsigned char)red, (unsigned char)green, (unsigned char)blue );

     }
   my_anti = new wxBitmap(anti);
 }
     }
   my_anti = new wxBitmap(anti);
 }


@@ -816,20 +884,21 @@ BEGIN_EVENT_TABLE(MyFrame,wxFrame)
   EVT_MENU    (ID_SHOWRAW,  MyFrame::OnTestRawBitmap)
 #endif
 
   EVT_MENU    (ID_SHOWRAW,  MyFrame::OnTestRawBitmap)
 #endif
 

-#if wxUSE_CLIPBOARD && !defined(__WXMOTIF__)
+#if wxUSE_CLIPBOARD

     EVT_MENU(wxID_COPY, MyFrame::OnCopy)
     EVT_MENU(wxID_PASTE, MyFrame::OnPaste)
 #endif // wxUSE_CLIPBOARD
 END_EVENT_TABLE()
 
 MyFrame::MyFrame()
     EVT_MENU(wxID_COPY, MyFrame::OnCopy)
     EVT_MENU(wxID_PASTE, MyFrame::OnPaste)
 #endif // wxUSE_CLIPBOARD
 END_EVENT_TABLE()
 
 MyFrame::MyFrame()

-       : wxFrame( (wxFrame *)NULL, -1, _T("wxImage sample"),
+       : wxFrame( (wxFrame *)NULL, wxID_ANY, _T("wxImage sample"),

                   wxPoint(20,20), wxSize(470,360) )
 {
   wxMenuBar *menu_bar = new wxMenuBar();
 
   wxMenu *menuImage = new wxMenu;
   menuImage->Append( ID_NEW, _T("&Show any image...\tCtrl-O"));
                   wxPoint(20,20), wxSize(470,360) )
 {
   wxMenuBar *menu_bar = new wxMenuBar();
 
   wxMenu *menuImage = new wxMenu;
   menuImage->Append( ID_NEW, _T("&Show any image...\tCtrl-O"));

+

 #ifdef wxHAVE_RAW_BITMAP
   menuImage->Append( ID_SHOWRAW, _T("Test &raw bitmap...\tCtrl-R"));
 #endif
 #ifdef wxHAVE_RAW_BITMAP
   menuImage->Append( ID_SHOWRAW, _T("Test &raw bitmap...\tCtrl-R"));
 #endif


@@ -839,7 +908,7 @@ MyFrame::MyFrame()
   menuImage->Append( ID_QUIT, _T("E&xit\tCtrl-Q"));
   menu_bar->Append(menuImage, _T("&Image"));
 
   menuImage->Append( ID_QUIT, _T("E&xit\tCtrl-Q"));
   menu_bar->Append(menuImage, _T("&Image"));
 

-#if wxUSE_CLIPBOARD && !defined(__WXMOTIF__)
+#if wxUSE_CLIPBOARD

   wxMenu *menuClipboard = new wxMenu;
   menuClipboard->Append(wxID_COPY, _T("&Copy test image\tCtrl-C"));
   menuClipboard->Append(wxID_PASTE, _T("&Paste image\tCtrl-V"));
   wxMenu *menuClipboard = new wxMenu;
   menuClipboard->Append(wxID_COPY, _T("&Copy test image\tCtrl-C"));
   menuClipboard->Append(wxID_PASTE, _T("&Paste image\tCtrl-V"));


@@ -848,11 +917,13 @@ MyFrame::MyFrame()
 
   SetMenuBar( menu_bar );
 
 
   SetMenuBar( menu_bar );
 

+#if wxUSE_STATUSBAR

   CreateStatusBar(2);
   int widths[] = { -1, 100 };
   SetStatusWidths( 2, widths );
   CreateStatusBar(2);
   int widths[] = { -1, 100 };
   SetStatusWidths( 2, widths );

+#endif // wxUSE_STATUSBAR

 
 

-  m_canvas = new MyCanvas( this, -1, wxPoint(0,0), wxSize(10,10) );
+  m_canvas = new MyCanvas( this, wxID_ANY, wxPoint(0,0), wxSize(10,10) );

 
   // 500 width * 2500 height
   m_canvas->SetScrollbars( 10, 10, 50, 250 );
 
   // 500 width * 2500 height
   m_canvas->SetScrollbars( 10, 10, 50, 250 );


@@ -860,7 +931,7 @@ MyFrame::MyFrame()
 
 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 {
 
 void MyFrame::OnQuit( wxCommandEvent &WXUNUSED(event) )
 {

-  Close( TRUE );
+  Close( true );

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


@@ -889,29 +960,35 @@ void MyFrame::OnNewFrame( wxCommandEvent &WXUNUSED(event) )
 
 #ifdef wxHAVE_RAW_BITMAP
 
 
 #ifdef wxHAVE_RAW_BITMAP
 

-void MyFrame::OnTestRawBitmap( wxCommandEvent &event )
+void MyFrame::OnTestRawBitmap( wxCommandEvent &WXUNUSED(event) )

 {
     (new MyRawBitmapFrame(this))->Show();
 }
 
 #endif // wxHAVE_RAW_BITMAP
 
 {
     (new MyRawBitmapFrame(this))->Show();
 }
 
 #endif // wxHAVE_RAW_BITMAP
 

-#if wxUSE_CLIPBOARD && !defined(__WXMOTIF__)
+#if wxUSE_CLIPBOARD

 
 void MyFrame::OnCopy(wxCommandEvent& WXUNUSED(event))
 {
     wxBitmapDataObject *dobjBmp = new wxBitmapDataObject;
     dobjBmp->SetBitmap(*m_canvas->my_horse_png);
 
 
 void MyFrame::OnCopy(wxCommandEvent& WXUNUSED(event))
 {
     wxBitmapDataObject *dobjBmp = new wxBitmapDataObject;
     dobjBmp->SetBitmap(*m_canvas->my_horse_png);
 

+    wxTheClipboard->Open();
+

     if ( !wxTheClipboard->SetData(dobjBmp) )
     {
         wxLogError(_T("Failed to copy bitmap to clipboard"));
     }
     if ( !wxTheClipboard->SetData(dobjBmp) )
     {
         wxLogError(_T("Failed to copy bitmap to clipboard"));
     }

+
+    wxTheClipboard->Close();

 }
 
 void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
 {
     wxBitmapDataObject dobjBmp;
 }
 
 void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
 {
     wxBitmapDataObject dobjBmp;

+
+    wxTheClipboard->Open();

     if ( !wxTheClipboard->GetData(dobjBmp) )
     {
         wxLogMessage(_T("No bitmap data in the clipboard"));
     if ( !wxTheClipboard->GetData(dobjBmp) )
     {
         wxLogMessage(_T("No bitmap data in the clipboard"));


@@ -920,6 +997,7 @@ void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
     {
         (new MyImageFrame(this, dobjBmp.GetBitmap()))->Show();
     }
     {
         (new MyImageFrame(this, dobjBmp.GetBitmap()))->Show();
     }

+    wxTheClipboard->Close();

 }
 
 #endif // wxUSE_CLIPBOARD
 }
 
 #endif // wxUSE_CLIPBOARD


@@ -965,8 +1043,8 @@ bool MyApp::OnInit()
 #endif
 
   wxFrame *frame = new MyFrame();
 #endif
 
   wxFrame *frame = new MyFrame();

-  frame->Show( TRUE );
+  frame->Show( true );

 
 

-  return TRUE;
+  return true;

 }
 
 }