fix the MSVC check in the last comment and accompanying comment

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

diff --git a/samples/image/image.cpp b/samples/image/image.cpp
index 706be54393544c02f9b0a26af79e886538ab6107..01af647f11d9fa230abc2a97486378bcb1bcd625 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"


@@ -15,18 +17,35 @@
 #endif
 
 #ifndef WX_PRECOMP
 #endif
 
 #ifndef WX_PRECOMP

-#include "wx/wx.h"
+    #include "wx/wx.h"

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

+#include "wx/stopwatch.h"
+
+#if wxUSE_CLIPBOARD
+    #include "wx/dataobj.h"
+    #include "wx/clipbrd.h"
+#endif // wxUSE_CLIPBOARD

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

+#if defined(__WXMSW__)
+    #ifdef wxHAVE_RAW_BITMAP
+    #include "wx/rawbmp.h"
+    #endif
+#endif
+
+#if defined(__WXMAC__) || defined(__WXGTK__)
+    #define wxHAVE_RAW_BITMAP
+    #include "wx/rawbmp.h"
+#endif

 
 // derived classes
 
 
 // derived classes
 


@@ -38,60 +57,58 @@ class MyApp;
 class MyCanvas: public wxScrolledWindow
 {
 public:
 class MyCanvas: public wxScrolledWindow
 {
 public:

-    MyCanvas() {};

     MyCanvas( wxWindow *parent, wxWindowID, const wxPoint &pos, const wxSize &size );
     ~MyCanvas();
     void OnPaint( wxPaintEvent &event );
     void CreateAntiAliasedBitmap();
 
     MyCanvas( wxWindow *parent, wxWindowID, const wxPoint &pos, const wxSize &size );
     ~MyCanvas();
     void OnPaint( wxPaintEvent &event );
     void CreateAntiAliasedBitmap();
 

-    wxBitmap  *my_horse_png;
-    wxBitmap  *my_horse_jpeg;
-    wxBitmap  *my_horse_gif;
-    wxBitmap  *my_horse_bmp;
-    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_horse_png;
+    wxBitmap  my_horse_jpeg;
+    wxBitmap  my_horse_gif;
+    wxBitmap  my_horse_bmp;
+    wxBitmap  my_horse_bmp2;
+    wxBitmap  my_horse_pcx;
+    wxBitmap  my_horse_pnm;
+    wxBitmap  my_horse_tiff;
+    wxBitmap  my_horse_tga;
+    wxBitmap  my_horse_xpm;
+    wxBitmap  my_horse_ico32;
+    wxBitmap  my_horse_ico16;
+    wxBitmap  my_horse_ico;
+    wxBitmap  my_horse_cur;
+
+    wxBitmap  my_smile_xbm;
+    wxBitmap  my_square;
+    wxBitmap  my_anti;
+
+    wxBitmap  my_horse_asciigrey_pnm;
+    wxBitmap  my_horse_rawgrey_pnm;
+
+    wxBitmap  colorized_horse_jpeg;
+    wxBitmap  my_cmyk_jpeg;
+
+    wxBitmap my_toucan;
+    wxBitmap my_toucan_flipped_horiz;
+    wxBitmap my_toucan_flipped_vert;
+    wxBitmap my_toucan_flipped_both;
+    wxBitmap my_toucan_grey;
+    wxBitmap my_toucan_head;
+    wxBitmap my_toucan_scaled_normal;
+    wxBitmap my_toucan_scaled_high;
+    wxBitmap my_toucan_blur;
+
+    int xH, yH ;
+    int m_ani_images;
+    wxBitmap *my_horse_ani;

 
 

-protected:
+private:

     wxBitmap m_bmpSmileXpm;
     wxIcon   m_iconSmileXpm;
 
     wxBitmap m_bmpSmileXpm;
     wxIcon   m_iconSmileXpm;
 

-private:
-    DECLARE_DYNAMIC_CLASS(MyCanvas)

     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
 
 


@@ -102,106 +119,408 @@ public:
 
     void OnAbout( wxCommandEvent &event );
     void OnNewFrame( wxCommandEvent &event );
 
     void OnAbout( wxCommandEvent &event );
     void OnNewFrame( wxCommandEvent &event );

+    void OnImageInfo( wxCommandEvent &event );
+    void OnThumbnail( wxCommandEvent &event );
+
+#ifdef wxHAVE_RAW_BITMAP
+    void OnTestRawBitmap( wxCommandEvent &event );
+#endif // wxHAVE_RAW_BITMAP

     void OnQuit( wxCommandEvent &event );
 
     void OnQuit( wxCommandEvent &event );
 

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

     MyCanvas         *m_canvas;
 
 private:
     MyCanvas         *m_canvas;
 
 private:

+    // ask user for the file name and try to load an image from it
+    //
+    // return the file path on success, empty string if we failed to load the
+    // image or were cancelled by user
+    static wxString LoadUserImage(wxImage& image);
+
+

     DECLARE_DYNAMIC_CLASS(MyFrame)
     DECLARE_EVENT_TABLE()
 };
 
     DECLARE_DYNAMIC_CLASS(MyFrame)
     DECLARE_EVENT_TABLE()
 };
 

+// ----------------------------------------------------------------------------
+// Frame used for showing a standalone image
+// ----------------------------------------------------------------------------
+
+enum
+{
+    ID_ROTATE_LEFT = wxID_HIGHEST+1,
+    ID_ROTATE_RIGHT,
+    ID_RESIZE,
+    ID_PAINT_BG
+};
+

 class MyImageFrame : public wxFrame
 {
 public:
 class MyImageFrame : public wxFrame
 {
 public:

-    MyImageFrame(wxFrame *parent, const wxBitmap& bitmap)
-        : wxFrame(parent, -1, _T("Double click to save"),
+    MyImageFrame(wxFrame *parent, const wxString& desc, const wxBitmap& bitmap)
+        : wxFrame(parent, wxID_ANY,
+                  wxString::Format(_T("Image from %s"), desc.c_str()),

                   wxDefaultPosition, wxDefaultSize,
                   wxDefaultPosition, wxDefaultSize,

-                  wxCAPTION | wxSYSTEM_MENU),
+                  wxDEFAULT_FRAME_STYLE | wxFULL_REPAINT_ON_RESIZE),

                   m_bitmap(bitmap)
     {
                   m_bitmap(bitmap)
     {

+        wxMenu *menu = new wxMenu;
+        menu->Append(wxID_SAVE);
+        menu->AppendSeparator();
+        m_pClearBgMenu = menu->AppendCheckItem(ID_PAINT_BG, _T("&Paint background"));
+        menu->AppendSeparator();
+        menu->Append(ID_RESIZE, _T("&Fit to window\tCtrl-F"));
+        menu->AppendSeparator();
+        menu->Append(ID_ROTATE_LEFT, _T("Rotate &left\tCtrl-L"));
+        menu->Append(ID_ROTATE_RIGHT, _T("Rotate &right\tCtrl-R"));
+
+        wxMenuBar *mbar = new wxMenuBar;
+        mbar->Append(menu, _T("&Image"));
+        SetMenuBar(mbar);
+
+        CreateStatusBar();
+

         SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());
         SetClientSize(bitmap.GetWidth(), bitmap.GetHeight());

+
+        UpdateStatusBar();
+
+//        SetBackgroundColour(*wxWHITE);
+    }
+
+    void OnEraseBackground(wxEraseEvent& WXUNUSED(event))
+    {
+        // do nothing here to be able to see how transparent images are shown

     }
 
     void OnPaint(wxPaintEvent& WXUNUSED(event))
     {
     }
 
     void OnPaint(wxPaintEvent& WXUNUSED(event))
     {

-        wxPaintDC dc( this );
-        dc.DrawBitmap( m_bitmap, 0, 0 );
+        wxPaintDC dc(this);
+
+        if (m_pClearBgMenu->IsChecked())
+            ClearBackground();
+
+        const wxSize size = GetClientSize();
+        dc.DrawBitmap(m_bitmap,
+                      (size.x - m_bitmap.GetWidth())/2,
+                      (size.y - m_bitmap.GetHeight())/2,
+                      true /* use mask */);

     }
 
     void OnSave(wxCommandEvent& WXUNUSED(event))
     {
     }
 
     void OnSave(wxCommandEvent& WXUNUSED(event))
     {

-        wxImage image(m_bitmap);
-
-        int bppselection = wxGetSingleChoiceIndex("Set BMP BPP",
-                                                  "Set BMP BPP",
-                                                  nChoices,
-                                                  bppchoices,
-                                                  this);
-        if ( bppselection == -1 )
+#if wxUSE_FILEDLG
+        wxImage image = m_bitmap.ConvertToImage();
+
+        wxString savefilename = wxFileSelector( wxT("Save Image"),
+                                                wxEmptyString,
+                                                wxEmptyString,
+                                                (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|")
+                                                wxT("ICO files (*.ico)|*.ico|")
+                                                wxT("CUR files (*.cur)|*.cur"),
+                                                wxFD_SAVE,
+                                                this);
+
+        if ( savefilename.empty() )
+            return;
+
+        wxString extension;
+        wxFileName::SplitPath(savefilename, NULL, NULL, &extension);
+
+        bool saved = false;
+        if ( extension == _T("bmp") )

         {
         {

-            // cancelled
+            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;
+                }
+            }
+        }
+        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:
+            saved = image.SaveFile(savefilename, wxBITMAP_TYPE_CUR);
+        }
+
+        if ( !saved )
+        {
+            // This one guesses image format from filename extension
+            // (it may fail if the extension is not recognized):
+            image.SaveFile(savefilename);
+        }
+#endif // wxUSE_FILEDLG
+    }
+
+    void OnResize(wxCommandEvent& WXUNUSED(event))
+    {
+        wxImage img(m_bitmap.ConvertToImage());
+
+        const wxSize size = GetClientSize();
+        img.Rescale(size.x, size.y, wxIMAGE_QUALITY_HIGH);
+        m_bitmap = wxBitmap(img);
+
+        UpdateStatusBar();
+        Refresh();
+    }
+
+    void OnRotate(wxCommandEvent& event)
+    {
+        double angle = 5;
+        if ( event.GetId() == ID_ROTATE_LEFT )
+            angle = -angle;
+
+        wxImage img(m_bitmap.ConvertToImage());
+        img = img.Rotate(angle, wxPoint(img.GetWidth() / 2, img.GetHeight() / 2));
+        if ( !img.Ok() )
+        {
+            wxLogWarning(_T("Rotation failed"));

             return;
         }
 
             return;
         }
 

-        image.SetOption(wxBMP_FORMAT, bppvalues[bppselection]);
+        m_bitmap = wxBitmap(img);

 
 

-        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);
+        UpdateStatusBar();
+        Refresh();
+    }

 
 

-        if ( savefilename.empty() )
+private:
+    void UpdateStatusBar()
+    {
+        wxLogStatus(this, _T("Image size: (%d, %d)"),
+                    m_bitmap.GetWidth(),
+                    m_bitmap.GetHeight());
+    }
+
+    wxBitmap m_bitmap;
+    wxMenuItem* m_pClearBgMenu;
+
+    DECLARE_EVENT_TABLE()
+};
+
+#ifdef wxHAVE_RAW_BITMAP
+
+#include "wx/rawbmp.h"
+
+class MyRawBitmapFrame : public wxFrame
+{
+public:
+    enum
+    {
+        BORDER = 15,
+        SIZE = 150,
+        REAL_SIZE = SIZE - 2*BORDER
+    };
+
+    MyRawBitmapFrame(wxFrame *parent)
+        : wxFrame(parent, wxID_ANY, _T("Raw bitmaps (how exciting)")),
+          m_bitmap(SIZE, SIZE, 24),
+          m_alphaBitmap(SIZE, SIZE, 32)
+    {
+        SetClientSize(SIZE, SIZE*2+25);
+
+        InitAlphaBitmap();
+        InitBitmap();
+
+    }
+
+    void InitAlphaBitmap()
+    {
+        // First, clear the whole bitmap by making it alpha
+        {
+            wxAlphaPixelData data( m_alphaBitmap, wxPoint(0,0), wxSize(SIZE, SIZE) );
+            if ( !data )
+            {
+                wxLogError(_T("Failed to gain raw access to bitmap data"));
+                return;
+            }
+            wxAlphaPixelData::Iterator p(data);
+            for ( int y = 0; y < SIZE; ++y )
+            {
+                wxAlphaPixelData::Iterator rowStart = p;
+                for ( int x = 0; x < SIZE; ++x )
+                {
+                    p.Alpha() = 0;
+                    ++p; // same as p.OffsetX(1)
+                }
+                p = rowStart;
+                p.OffsetY(data, 1);
+            }
+        }
+
+        // Then, draw colourful alpha-blended stripes
+        wxAlphaPixelData data(m_alphaBitmap, wxPoint(BORDER, BORDER),
+                              wxSize(REAL_SIZE, REAL_SIZE));
+        if ( !data )
+        {
+            wxLogError(_T("Failed to gain raw access to bitmap data"));

             return;
             return;

+        }
+
+        wxAlphaPixelData::Iterator p(data);

 
 

-        if ( image.GetOptionInt(wxBMP_FORMAT) == wxBMP_8BPP_PALETTE )
+        for ( int y = 0; y < REAL_SIZE; ++y )

         {
         {

-            unsigned char *cmap = new unsigned char [256];
-            for ( int i = 0; i < 256; i++ )
-                cmap[i] = i;
-            image.SetPalette(wxPalette(256, cmap, cmap, cmap));
+            wxAlphaPixelData::Iterator rowStart = p;
+
+            int r = y < REAL_SIZE/3 ? 255 : 0,
+                g = (REAL_SIZE/3 <= y) && (y < 2*(REAL_SIZE/3)) ? 255 : 0,
+                b = 2*(REAL_SIZE/3) <= y ? 255 : 0;
+
+            for ( int x = 0; x < REAL_SIZE; ++x )
+            {
+                // note that RGB must be premultiplied by alpha
+                unsigned a = (wxAlphaPixelData::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.OffsetY(data, 1);
+        }
+    }

 
 

-            delete cmap;
+    void InitBitmap()
+    {
+        // draw some colourful stripes without alpha
+        wxNativePixelData data(m_bitmap);
+        if ( !data )
+        {
+            wxLogError(_T("Failed to gain raw access to bitmap data"));
+            return;

         }
 
         }
 

-        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);
+        wxNativePixelData::Iterator p(data);
+        for ( int y = 0; y < SIZE; ++y )
+        {
+            wxNativePixelData::Iterator rowStart = p;
+
+            int r = y < SIZE/3 ? 255 : 0,
+                g = (SIZE/3 <= y) && (y < 2*(SIZE/3)) ? 255 : 0,
+                b = 2*(SIZE/3) <= y ? 255 : 0;
+
+            for ( int x = 0; x < SIZE; ++x )
+            {
+                p.Red() = r;
+                p.Green() = g;
+                p.Blue() = b;
+                ++p; // same as p.OffsetX(1)
+            }
+
+            p = rowStart;
+            p.OffsetY(data, 1);
+        }
+    }
+
+    void OnPaint(wxPaintEvent& WXUNUSED(event))
+    {
+        wxPaintDC dc( this );
+        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_alphaBitmap, 0, 0, true /* use mask */ );
+
+        dc.DrawText(_T("Raw bitmap access without alpha"), 0, SIZE+5);
+        dc.DrawBitmap( m_bitmap, 0, SIZE+5+dc.GetCharHeight());

     }
 
 private:
     wxBitmap m_bitmap;
     }
 
 private:
     wxBitmap m_bitmap;

+    wxBitmap m_alphaBitmap;

 
     DECLARE_EVENT_TABLE()
 };
 
 
     DECLARE_EVENT_TABLE()
 };
 

+#endif // wxHAVE_RAW_BITMAP
+

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


@@ -216,36 +535,35 @@ IMPLEMENT_APP(MyApp)
 
 // MyCanvas
 
 
 // MyCanvas
 

-IMPLEMENT_DYNAMIC_CLASS(MyCanvas, wxScrolledWindow)
-

 BEGIN_EVENT_TABLE(MyImageFrame, wxFrame)
 BEGIN_EVENT_TABLE(MyImageFrame, wxFrame)

-  EVT_PAINT(MyImageFrame::OnPaint)
-  EVT_LEFT_DCLICK(MyImageFrame::OnSave)
+    EVT_ERASE_BACKGROUND(MyImageFrame::OnEraseBackground)
+    EVT_PAINT(MyImageFrame::OnPaint)
+
+    EVT_MENU(wxID_SAVE, MyImageFrame::OnSave)
+    EVT_MENU_RANGE(ID_ROTATE_LEFT, ID_ROTATE_RIGHT, MyImageFrame::OnRotate)
+    EVT_MENU(ID_RESIZE, MyImageFrame::OnResize)
+END_EVENT_TABLE()
+
+#ifdef wxHAVE_RAW_BITMAP
+
+BEGIN_EVENT_TABLE(MyRawBitmapFrame, wxFrame)
+    EVT_PAINT(MyRawBitmapFrame::OnPaint)

 END_EVENT_TABLE()
 
 END_EVENT_TABLE()
 

+#endif // wxHAVE_RAW_BITMAP
+

 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
 BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)

-  EVT_PAINT(MyCanvas::OnPaint)
+    EVT_PAINT(MyCanvas::OnPaint)

 END_EVENT_TABLE()
 
 MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
                     const wxPoint &pos, const wxSize &size )
 END_EVENT_TABLE()
 
 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)
-#endif
+    : wxScrolledWindow( parent, id, pos, size, wxSUNKEN_BORDER )
+    , m_bmpSmileXpm(smile_xpm)
+    , m_iconSmileXpm(smile_xpm)

 {
 {

-    my_horse_png = (wxBitmap*) NULL;
-    my_horse_jpeg = (wxBitmap*) NULL;
-    my_horse_gif = (wxBitmap*) NULL;
-    my_horse_bmp = (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_horse_ani = NULL;
+    m_ani_images = 0 ;

 
     SetBackgroundColour(* wxWHITE);
 
 
     SetBackgroundColour(* wxWHITE);
 


@@ -253,7 +571,7 @@ 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 );


@@ -263,120 +581,235 @@ MyCanvas::MyCanvas( wxWindow *parent, wxWindowID id,
     // try to find the directory with our images
     wxString dir;
     if ( wxFile::Exists(wxT("./horse.png")) )
     // try to find the directory with our images
     wxString dir;
     if ( wxFile::Exists(wxT("./horse.png")) )

-        dir = "./";
+        dir = wxT("./");

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

-        dir = "../";
+        dir = wxT("../");

     else
         wxLogWarning(wxT("Can't find image files in either '.' or '..'!"));
 
     wxImage image = bitmap.ConvertToImage();
 
 #if wxUSE_LIBPNG
     else
         wxLogWarning(wxT("Can't find image files in either '.' or '..'!"));
 
     wxImage image = bitmap.ConvertToImage();
 
 #if wxUSE_LIBPNG

-    if ( !image.SaveFile( dir + wxString("test.png"), wxBITMAP_TYPE_PNG ))
+    if ( !image.SaveFile( dir + _T("test.png"), wxBITMAP_TYPE_PNG ))

         wxLogError(wxT("Can't save file"));
 
     image.Destroy();
 
         wxLogError(wxT("Can't save file"));
 
     image.Destroy();
 

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

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

-    if ( !image.LoadFile( dir + wxString("horse.png")) )
+    if ( !image.LoadFile( dir + _T("horse.png")) )

         wxLogError(wxT("Can't load PNG image"));
     else
         wxLogError(wxT("Can't load PNG image"));
     else

-        my_horse_png = new wxBitmap( image );
+        my_horse_png = wxBitmap( image );
+
+    if ( !image.LoadFile( dir + _T("toucan.png")) )
+        wxLogError(wxT("Can't load PNG image"));
+    else
+        my_toucan = wxBitmap(image);
+
+    my_toucan_flipped_horiz = wxBitmap(image.Mirror(true));
+    my_toucan_flipped_vert = wxBitmap(image.Mirror(false));
+    my_toucan_flipped_both = wxBitmap(image.Mirror(true).Mirror(false));
+    my_toucan_grey = wxBitmap(image.ConvertToGreyscale());
+    my_toucan_head = wxBitmap(image.GetSubImage(wxRect(40, 7, 80, 60)));
+    my_toucan_scaled_normal = wxBitmap(image.Scale(110,90,wxIMAGE_QUALITY_NORMAL));
+    my_toucan_scaled_high = wxBitmap(image.Scale(110,90,wxIMAGE_QUALITY_HIGH));
+    my_toucan_blur = wxBitmap(image.Blur(10));
+

 #endif // wxUSE_LIBPNG
 
 #if wxUSE_LIBJPEG
     image.Destroy();
 
 #endif // wxUSE_LIBPNG
 
 #if wxUSE_LIBJPEG
     image.Destroy();
 

-    if ( !image.LoadFile( dir + wxString("horse.jpg")) )
+    if ( !image.LoadFile( dir + _T("horse.jpg")) )

         wxLogError(wxT("Can't load JPG image"));
     else
         wxLogError(wxT("Can't load JPG image"));
     else

-        my_horse_jpeg = new wxBitmap( image );
+    {
+        my_horse_jpeg = wxBitmap( image );
+
+        // Colorize by rotating green hue to red
+        wxImage::HSVValue greenHSV = wxImage::RGBtoHSV(wxImage::RGBValue(0, 255, 0));
+        wxImage::HSVValue redHSV = wxImage::RGBtoHSV(wxImage::RGBValue(255, 0, 0));
+        image.RotateHue(redHSV.hue - greenHSV.hue);
+        colorized_horse_jpeg = wxBitmap( image );
+    }
+
+    if ( !image.LoadFile( dir + _T("cmyk.jpg")) )
+        wxLogError(_T("Can't load CMYK JPG image"));
+    else
+        my_cmyk_jpeg = wxBitmap(image);

 #endif // wxUSE_LIBJPEG
 
 #if wxUSE_GIF
     image.Destroy();
 
 #endif // wxUSE_LIBJPEG
 
 #if wxUSE_GIF
     image.Destroy();
 

-    if ( !image.LoadFile( dir + wxString("horse.gif")) )
+    if ( !image.LoadFile( dir + _T("horse.gif" )) )

         wxLogError(wxT("Can't load GIF image"));
     else
         wxLogError(wxT("Can't load GIF image"));
     else

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

 #endif
 
 #if wxUSE_PCX
     image.Destroy();
 
 #endif
 
 #if wxUSE_PCX
     image.Destroy();
 

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

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

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

 #endif
 
     image.Destroy();
 
 #endif
 
     image.Destroy();
 

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

         wxLogError(wxT("Can't load BMP image"));
     else
         wxLogError(wxT("Can't load BMP image"));
     else

-        my_horse_bmp = new wxBitmap( image );
+        my_horse_bmp = wxBitmap( image );

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

-    if ( !image.LoadFile( dir + wxString("horse.xpm"), wxBITMAP_TYPE_XPM ) )
+    if ( !image.LoadFile( dir + _T("horse.xpm"), wxBITMAP_TYPE_XPM ) )

         wxLogError(wxT("Can't load XPM image"));
     else
         wxLogError(wxT("Can't load XPM image"));
     else

-        my_horse_xpm = new wxBitmap( image );
+        my_horse_xpm = wxBitmap( image );

 
 

-    if ( !image.SaveFile( dir + wxString("test.xpm"), wxBITMAP_TYPE_XPM ))
+    if ( !image.SaveFile( dir + _T("test.xpm"), wxBITMAP_TYPE_XPM ))

         wxLogError(wxT("Can't save file"));
 #endif
 
 #if wxUSE_PNM
     image.Destroy();
 
         wxLogError(wxT("Can't save file"));
 #endif
 
 #if wxUSE_PNM
     image.Destroy();
 

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

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

-        my_horse_pnm = new wxBitmap( image );
+        my_horse_pnm = wxBitmap( image );
+
+    image.Destroy();
+
+    if ( !image.LoadFile( dir + _T("horse_ag.pnm"), wxBITMAP_TYPE_PNM ) )
+        wxLogError(wxT("Can't load PNM image"));
+    else
+        my_horse_asciigrey_pnm = wxBitmap( image );
+
+    image.Destroy();
+
+    if ( !image.LoadFile( dir + _T("horse_rg.pnm"), wxBITMAP_TYPE_PNM ) )
+        wxLogError(wxT("Can't load PNM image"));
+    else
+        my_horse_rawgrey_pnm = wxBitmap( image );

 #endif
 
 #if wxUSE_LIBTIFF
     image.Destroy();
 
 #endif
 
 #if wxUSE_LIBTIFF
     image.Destroy();
 

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

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

-        my_horse_tiff = new wxBitmap( image );
+        my_horse_tiff = wxBitmap( image );
+#endif
+
+#if wxUSE_LIBTIFF
+    image.Destroy();
+
+    if ( !image.LoadFile( dir + _T("horse.tga"), wxBITMAP_TYPE_TGA ) )
+        wxLogError(wxT("Can't load TGA image"));
+    else
+        my_horse_tga = wxBitmap( image );

 #endif
 
     CreateAntiAliasedBitmap();
 
 #endif
 
     CreateAntiAliasedBitmap();
 

-    my_smile_xbm = new wxBitmap( (const char*)smile_bits, smile_width,
+    my_smile_xbm = wxBitmap( (const char*)smile_bits, smile_width,

                                  smile_height, 1 );
 
                                  smile_height, 1 );
 

-#if !defined(__WINDOWS__) || wxUSE_XPM_IN_MSW

     // demonstrates XPM automatically using the mask when saving
     if ( m_bmpSmileXpm.Ok() )
     // demonstrates XPM automatically using the mask when saving
     if ( m_bmpSmileXpm.Ok() )

-        m_bmpSmileXpm.SaveFile("saved.xpm", wxBITMAP_TYPE_XPM);
-#endif
+        m_bmpSmileXpm.SaveFile(_T("saved.xpm"), wxBITMAP_TYPE_XPM);
+
+#if wxUSE_ICO_CUR
+    image.Destroy();
+
+    if ( !image.LoadFile( dir + _T("horse.ico"), wxBITMAP_TYPE_ICO, 0 ) )
+        wxLogError(wxT("Can't load first ICO image"));
+    else
+        my_horse_ico32 = wxBitmap( image );
+
+    image.Destroy();
+
+    if ( !image.LoadFile( dir + _T("horse.ico"), wxBITMAP_TYPE_ICO, 1 ) )
+        wxLogError(wxT("Can't load second ICO image"));
+    else
+        my_horse_ico16 = wxBitmap( image );
+
+    image.Destroy();
+
+    if ( !image.LoadFile( dir + _T("horse.ico") ) )
+        wxLogError(wxT("Can't load best ICO image"));
+    else
+        my_horse_ico = wxBitmap( image );
+
+    image.Destroy();
+
+    if ( !image.LoadFile( dir + _T("horse.cur"), wxBITMAP_TYPE_CUR ) )
+        wxLogError(wxT("Can't load best ICO image"));
+    else
+    {
+        my_horse_cur = wxBitmap( image );
+        xH = 30 + image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X) ;
+        yH = 2420 + image.GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y) ;
+    }
+
+    m_ani_images = wxImage::GetImageCount ( dir + _T("horse3.ani"), wxBITMAP_TYPE_ANI );
+    if (m_ani_images==0)
+        wxLogError(wxT("No ANI-format images found"));
+    else
+        my_horse_ani = new wxBitmap [m_ani_images];
+    int i ;
+    for (i=0; i < m_ani_images; i++)
+    {
+        image.Destroy();
+        if (!image.LoadFile( dir + _T("horse3.ani"), wxBITMAP_TYPE_ANI, i ))
+        {
+            wxString tmp = wxT("Can't load image number ");
+            tmp << i ;
+            wxLogError(tmp);
+        }
+        else
+            my_horse_ani [i] = wxBitmap( image );
+    }
+#endif // wxUSE_ICO_CUR
+
+    image.Destroy();
+
+    // test image loading from stream
+    wxFile file(dir + _T("horse.bmp"));
+    if ( file.IsOpened() )
+    {
+        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
+        {
+            wxMemoryInputStream mis(data, dataSize);
+            if ( !image.LoadFile(mis) )
+                wxLogError(wxT("Can't load BMP image from stream"));
+            else
+                my_horse_bmp2 = wxBitmap( image );
+        }
+
+        free(data);
+    }

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

-    delete my_horse_pnm;
-    delete my_horse_png;
-    delete my_horse_jpeg;
-    delete my_horse_gif;
-    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_horse_ani;

 }
 
 void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
 }
 
 void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )


@@ -384,77 +817,141 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
     wxPaintDC dc( this );
     PrepareDC( dc );
 
     wxPaintDC dc( this );
     PrepareDC( dc );
 

-    dc.DrawText( "Loaded image", 30, 10 );
-    if (my_square && my_square->Ok()) dc.DrawBitmap( *my_square, 30, 30 );
+    dc.DrawText( _T("Loaded image"), 30, 10 );
+    if (my_square.Ok())
+        dc.DrawBitmap( my_square, 30, 30 );

 
 

-    dc.DrawText( "Drawn directly", 150, 10 );
-    dc.SetBrush( wxBrush( "orange", wxSOLID ) );
+    dc.DrawText( _T("Drawn directly"), 150, 10 );
+    dc.SetBrush( wxBrush( wxT("orange"), wxSOLID ) );

     dc.SetPen( *wxBLACK_PEN );
     dc.DrawRectangle( 150, 30, 100, 100 );
     dc.SetBrush( *wxWHITE_BRUSH );
     dc.DrawRectangle( 170, 50, 60, 60 );
 
     dc.SetPen( *wxBLACK_PEN );
     dc.DrawRectangle( 150, 30, 100, 100 );
     dc.SetBrush( *wxWHITE_BRUSH );
     dc.DrawRectangle( 170, 50, 60, 60 );
 

-    if (my_anti && my_anti->Ok())
-        dc.DrawBitmap( *my_anti, 280, 30 );
+    if (my_anti.Ok())
+        dc.DrawBitmap( my_anti, 280, 30 );

 
 

-    dc.DrawText( "PNG handler", 30, 135 );
-    if (my_horse_png && my_horse_png->Ok())
+    dc.DrawText( _T("PNG handler"), 30, 135 );
+    if (my_horse_png.Ok())

     {
     {

-        dc.DrawBitmap( *my_horse_png, 30, 150 );
+        dc.DrawBitmap( my_horse_png, 30, 150 );

         wxRect rect(0,0,100,100);
         wxRect rect(0,0,100,100);

-        wxBitmap sub( my_horse_png->GetSubBitmap(rect) );
-        dc.DrawText( "GetSubBitmap()", 280, 190 );
-        dc.DrawBitmap( sub, 280, 210 );
+        wxBitmap sub( my_horse_png.GetSubBitmap(rect) );
+        dc.DrawText( _T("GetSubBitmap()"), 280, 175 );
+        dc.DrawBitmap( sub, 280, 195 );

     }
 
     }
 

-    dc.DrawText( "JPEG handler", 30, 365 );
-    if (my_horse_jpeg && my_horse_jpeg->Ok())
-        dc.DrawBitmap( *my_horse_jpeg, 30, 380 );
+    dc.DrawText( _T("JPEG handler"), 30, 365 );
+    if (my_horse_jpeg.Ok())
+        dc.DrawBitmap( my_horse_jpeg, 30, 380 );
+
+    dc.DrawText( _T("Green rotated to red"), 280, 365 );
+    if (colorized_horse_jpeg.Ok())
+        dc.DrawBitmap( colorized_horse_jpeg, 280, 380 );
+
+    dc.DrawText( _T("CMYK JPEG image"), 530, 365 );
+    if (my_cmyk_jpeg.Ok())
+        dc.DrawBitmap( my_cmyk_jpeg, 530, 380 );
+
+    dc.DrawText( _T("GIF handler"), 30, 595 );
+    if (my_horse_gif.Ok())
+        dc.DrawBitmap( my_horse_gif, 30, 610 );
+
+    dc.DrawText( _T("PCX handler"), 30, 825 );
+    if (my_horse_pcx.Ok())
+        dc.DrawBitmap( my_horse_pcx, 30, 840 );

 
 

-    dc.DrawText( "GIF handler", 30, 595 );
-    if (my_horse_gif && my_horse_gif->Ok())
-        dc.DrawBitmap( *my_horse_gif, 30, 610 );
+    dc.DrawText( _T("BMP handler"), 30, 1055 );
+    if (my_horse_bmp.Ok())
+        dc.DrawBitmap( my_horse_bmp, 30, 1070 );

 
 

-    dc.DrawText( "PCX handler", 30, 825 );
-    if (my_horse_pcx && my_horse_pcx->Ok())
-        dc.DrawBitmap( *my_horse_pcx, 30, 840 );
+    dc.DrawText( _T("BMP read from memory"), 280, 1055 );
+    if (my_horse_bmp2.Ok())
+        dc.DrawBitmap( my_horse_bmp2, 280, 1070 );

 
 

-    dc.DrawText( "BMP handler", 30, 1055 );
-    if (my_horse_bmp && my_horse_bmp->Ok())
-        dc.DrawBitmap( *my_horse_bmp, 30, 1070 );
+    dc.DrawText( _T("PNM handler"), 30, 1285 );
+    if (my_horse_pnm.Ok())
+        dc.DrawBitmap( my_horse_pnm, 30, 1300 );

 
 

-    dc.DrawText( "PNM handler", 30, 1285 );
-    if (my_horse_pnm && my_horse_pnm->Ok())
-        dc.DrawBitmap( *my_horse_pnm, 30, 1300 );
+    dc.DrawText( _T("PNM handler (ascii grey)"), 280, 1285 );
+    if (my_horse_asciigrey_pnm.Ok())
+        dc.DrawBitmap( my_horse_asciigrey_pnm, 280, 1300 );

 
 

-    dc.DrawText( "TIFF handler", 30, 1515 );
-    if (my_horse_tiff && my_horse_tiff->Ok())
-        dc.DrawBitmap( *my_horse_tiff, 30, 1530 );
+    dc.DrawText( _T("PNM handler (raw grey)"), 530, 1285 );
+    if (my_horse_rawgrey_pnm.Ok())
+        dc.DrawBitmap( my_horse_rawgrey_pnm, 530, 1300 );

 
 

-    dc.DrawText( "XPM handler", 30, 1745 );
-    if (my_horse_xpm && my_horse_xpm->Ok())
-        dc.DrawBitmap( *my_horse_xpm, 30, 1760 );
+    dc.DrawText( _T("TIFF handler"), 30, 1515 );
+    if (my_horse_tiff.Ok())
+        dc.DrawBitmap( my_horse_tiff, 30, 1530 );

 
 

-    if (my_smile_xbm && my_smile_xbm->Ok())
+    dc.DrawText( _T("TGA handler"), 30, 1745 );
+    if (my_horse_tga.Ok())
+        dc.DrawBitmap( my_horse_tga, 30, 1760 );
+
+    dc.DrawText( _T("XPM handler"), 30, 1975 );
+    if (my_horse_xpm.Ok())
+        dc.DrawBitmap( my_horse_xpm, 30, 2000 );
+
+    // toucans

     {
     {

-        dc.DrawText( "XBM bitmap", 30, 1975 );
-        dc.DrawText( "(green on red)", 30, 1990 );
-        dc.SetTextForeground( "GREEN" );
-        dc.SetTextBackground( "RED" );
-        dc.DrawBitmap( *my_smile_xbm, 30, 2010 );
-
-        dc.SetTextForeground( "BLACK" );
-        dc.DrawText( "After wxImage conversion", 150, 1975 );
-        dc.DrawText( "(red on white)", 150, 1990 );
-        dc.SetTextForeground( "RED" );
-        wxImage i = my_smile_xbm->ConvertToImage();
+        int x = 750, y = 10, yy = 170;
+
+        dc.DrawText(wxT("Original toucan"), x+50, y);
+        dc.DrawBitmap(my_toucan, x, y+15, true);
+        y += yy;
+        dc.DrawText(wxT("Flipped horizontally"), x+50, y);
+        dc.DrawBitmap(my_toucan_flipped_horiz, x, y+15, true);
+        y += yy;
+        dc.DrawText(wxT("Flipped vertically"), x+50, y);
+        dc.DrawBitmap(my_toucan_flipped_vert, x, y+15, true);
+        y += yy;
+        dc.DrawText(wxT("Flipped both h&v"), x+50, y);
+        dc.DrawBitmap(my_toucan_flipped_both, x, y+15, true);
+
+        y += yy;
+        dc.DrawText(wxT("In greyscale"), x+50, y);
+        dc.DrawBitmap(my_toucan_grey, x, y+15, true);
+
+        y += yy;
+        dc.DrawText(wxT("Toucan's head"), x+50, y);
+        dc.DrawBitmap(my_toucan_head, x, y+15, true);
+
+        y += yy;
+        dc.DrawText(wxT("Scaled with normal quality"), x+50, y);
+        dc.DrawBitmap(my_toucan_scaled_normal, x, y+15, true);
+
+        y += yy;
+        dc.DrawText(wxT("Scaled with high quality"), x+50, y);
+        dc.DrawBitmap(my_toucan_scaled_high, x, y+15, true);
+
+        y += yy;
+        dc.DrawText(wxT("Blured"), x+50, y);
+        dc.DrawBitmap(my_toucan_blur, x, y+15, true);
+    }
+
+    if (my_smile_xbm.Ok())
+    {
+        int x = 300, y = 1800;
+
+        dc.DrawText( _T("XBM bitmap"), x, y );
+        dc.DrawText( _T("(green on red)"), x, y + 15 );
+        dc.SetTextForeground( _T("GREEN") );
+        dc.SetTextBackground( _T("RED") );
+        dc.DrawBitmap( my_smile_xbm, x, y + 30 );
+
+        dc.SetTextForeground( *wxBLACK );
+        dc.DrawText( _T("After wxImage conversion"), x + 120, y );
+        dc.DrawText( _T("(red on white)"), x + 120, y + 15 );
+        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() );
         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, 2010, TRUE );
-        dc.SetTextForeground( "BLACK" );
+        dc.DrawBitmap( wxBitmap(i), x + 120, y + 30, true );
+        dc.SetTextForeground( *wxBLACK );

     }
 
 
     }
 
 


@@ -465,7 +962,10 @@ 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 );

-    memdc.DrawText( "Hi!", 5, 5 );
+#ifndef __WXGTK20__
+    // I cannot convince GTK2 to draw into mono bitmaps
+    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 );


@@ -474,36 +974,95 @@ void MyCanvas::OnPaint( wxPaintEvent &WXUNUSED(event) )
 
     if (mono.Ok())
     {
 
     if (mono.Ok())
     {

-        dc.DrawText( "Mono bitmap", 30, 2095 );
-        dc.DrawText( "(red on green)", 30, 2110 );
-        dc.SetTextForeground( "RED" );
-        dc.SetTextBackground( "GREEN" );
-        dc.DrawBitmap( mono, 30, 2130 );
-
-        dc.SetTextForeground( "BLACK" );
-        dc.DrawText( "After wxImage conversion", 150, 2095 );
-        dc.DrawText( "(red on white)", 150, 2110 );
-        dc.SetTextForeground( "RED" );
+        int x = 300, y = 1900;
+
+        dc.DrawText( _T("Mono bitmap"), x, y );
+        dc.DrawText( _T("(red on green)"), x, y + 15 );
+        dc.SetTextForeground( wxT("RED") );
+        dc.SetTextBackground( wxT("GREEN") );
+        dc.DrawBitmap( mono, x, y + 30 );
+
+        dc.SetTextForeground( *wxBLACK );
+        dc.DrawText( _T("After wxImage conversion"), x + 120, y );
+        dc.DrawText( _T("(red on white)"), x + 120, y + 15 );
+        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() );
         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() );

-        dc.DrawBitmap( i.ConvertToBitmap(), 150, 2130, TRUE );
-        dc.SetTextForeground( "BLACK" );
+        dc.DrawBitmap( wxBitmap(i), x + 120, y + 30, true );
+        dc.SetTextForeground( *wxBLACK );

     }
 
     }
 

-    dc.DrawText("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.DrawText(_T("XPM icon"), 110, 2230 );
+    if ( m_iconSmileXpm.Ok() )
+        dc.DrawIcon(m_iconSmileXpm, 110, 2250);
+
+    // testing icon -> bitmap conversion
+    wxBitmap to_blit( m_iconSmileXpm );
+    if (to_blit.Ok())

     {
     {

-        dc.DrawBitmap(m_bmpSmileXpm, 30, 2250, TRUE);
+        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("XPM icon", 150, 2230);
-    if ( m_iconSmileXpm.Ok() )
+    dc.DrawText( _T("ICO handler (1st image)"), 30, 2290 );
+    if (my_horse_ico32.Ok())
+        dc.DrawBitmap( my_horse_ico32, 30, 2330, true );
+
+    dc.DrawText( _T("ICO handler (2nd image)"), 230, 2290 );
+    if (my_horse_ico16.Ok())
+        dc.DrawBitmap( my_horse_ico16, 230, 2330, true );
+
+    dc.DrawText( _T("ICO handler (best image)"), 430, 2290 );
+    if (my_horse_ico.Ok())
+        dc.DrawBitmap( my_horse_ico, 430, 2330, true );
+
+    dc.DrawText( _T("CUR handler"), 30, 2390 );
+    if (my_horse_cur.Ok())
+    {
+        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.DrawText( _T("ANI handler"), 230, 2390 );
+    for ( int i=0; i < m_ani_images; i++ )

     {
     {

-        dc.DrawIcon(m_iconSmileXpm, 150, 2250);
+        if (my_horse_ani[i].Ok())
+        {
+            dc.DrawBitmap( my_horse_ani[i], 230 + i * 2 * my_horse_ani[i].GetWidth() , 2420, true );
+        }

     }
 }
 
     }
 }
 


@@ -518,13 +1077,13 @@ 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.DrawText( "This is anti-aliased Text.", 20, 20 );
-  dc.DrawText( "And a Rectangle.", 20, 60 );
+  dc.SetTextForeground( wxT("RED") );
+  dc.DrawText( _T("This is anti-aliased Text."), 20, 5 );
+  dc.DrawText( _T("And a Rectangle."), 20, 45 );

 
   dc.SetBrush( *wxRED_BRUSH );
   dc.SetPen( *wxTRANSPARENT_PEN );
 
   dc.SetBrush( *wxRED_BRUSH );
   dc.SetPen( *wxTRANSPARENT_PEN );

-  dc.DrawRoundedRectangle( 20, 100, 200, 180, 20 );
+  dc.DrawRoundedRectangle( 20, 85, 200, 180, 20 );

 
   wxImage original= bitmap.ConvertToImage();
   wxImage anti( 150, 150 );
 
   wxImage original= bitmap.ConvertToImage();
   wxImage anti( 150, 150 );


@@ -551,117 +1110,254 @@ 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.ConvertToBitmap() );
+  my_anti = wxBitmap(anti);

 }
 
 // MyFrame
 
 }
 
 // MyFrame
 

-const int ID_QUIT  = 108;
-const int ID_ABOUT = 109;
-const int ID_NEW = 110;
+enum
+{
+    ID_QUIT  = wxID_EXIT,
+    ID_ABOUT = wxID_ABOUT,
+    ID_NEW = 100,
+    ID_INFO,
+    ID_SHOWRAW,
+    ID_SHOWTHUMBNAIL
+};

 
 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
 
 
 IMPLEMENT_DYNAMIC_CLASS( MyFrame, wxFrame )
 

-BEGIN_EVENT_TABLE(MyFrame,wxFrame)
+BEGIN_EVENT_TABLE(MyFrame, wxFrame)

   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)
   EVT_MENU    (ID_ABOUT, MyFrame::OnAbout)
   EVT_MENU    (ID_QUIT,  MyFrame::OnQuit)

-  EVT_MENU    (ID_NEW,  MyFrame::OnNewFrame)
+  EVT_MENU    (ID_NEW,   MyFrame::OnNewFrame)
+  EVT_MENU    (ID_INFO,  MyFrame::OnImageInfo)
+  EVT_MENU    (ID_SHOWTHUMBNAIL, MyFrame::OnThumbnail)
+#ifdef wxHAVE_RAW_BITMAP
+  EVT_MENU    (ID_SHOWRAW, MyFrame::OnTestRawBitmap)
+#endif
+
+#if wxUSE_CLIPBOARD
+    EVT_MENU(wxID_COPY, MyFrame::OnCopy)
+    EVT_MENU(wxID_PASTE, MyFrame::OnPaste)
+#endif // wxUSE_CLIPBOARD

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

-       : wxFrame( (wxFrame *)NULL, -1, "wxImage sample",
-                  wxPoint(20,20), wxSize(470,360) )
+       : wxFrame( (wxFrame *)NULL, wxID_ANY, _T("wxImage sample"),
+                  wxPoint(20, 20), wxSize(950, 700) )

 {
 {

-  wxMenu *file_menu = new wxMenu();
-  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();
   wxMenuBar *menu_bar = new wxMenuBar();

-  menu_bar->Append(file_menu, "&File");
+
+  wxMenu *menuImage = new wxMenu;
+  menuImage->Append( ID_NEW, _T("&Show any image...\tCtrl-O"));
+  menuImage->Append( ID_INFO, _T("Show image &information...\tCtrl-I"));
+#ifdef wxHAVE_RAW_BITMAP
+  menuImage->AppendSeparator();
+  menuImage->Append( ID_SHOWRAW, _T("Test &raw bitmap...\tCtrl-R"));
+#endif
+  menuImage->AppendSeparator();
+  menuImage->Append( ID_SHOWTHUMBNAIL, _T("Test &thumbnail...\tCtrl-T"),
+                    "Test scaling the image during load (try with JPEG)");
+  menuImage->AppendSeparator();
+  menuImage->Append( ID_ABOUT, _T("&About..."));
+  menuImage->AppendSeparator();
+  menuImage->Append( ID_QUIT, _T("E&xit\tCtrl-Q"));
+  menu_bar->Append(menuImage, _T("&Image"));
+
+#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"));
+  menu_bar->Append(menuClipboard, _T("&Clipboard"));
+#endif // wxUSE_CLIPBOARD

 
   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 * 2100 height
-  m_canvas->SetScrollbars( 10, 10, 50, 220 );
+  // 500 width * 2750 height
+  m_canvas->SetScrollbars( 10, 10, 50, 275 );

 }
 
 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) )
 {

-  (void)wxMessageBox( "wxImage demo\n"
-                      "Robert Roebling (c) 1998,2000",
-                      "About wxImage Demo", wxICON_INFORMATION | wxOK );
+  (void)wxMessageBox( _T("wxImage demo\n")
+                      _T("Robert Roebling (c) 1998,2000"),
+                      _T("About wxImage Demo"), wxICON_INFORMATION | wxOK );
+}
+
+wxString MyFrame::LoadUserImage(wxImage& image)
+{
+    wxString filename;
+
+#if wxUSE_FILEDLG
+    filename = wxFileSelector(_T("Select image file"));
+    if ( !filename.empty() )
+    {
+        if ( !image.LoadFile(filename) )
+        {
+            wxLogError(_T("Couldn't load image from '%s'."), filename.c_str());
+
+            return wxEmptyString;
+        }
+    }
+#endif // wxUSE_FILEDLG
+
+    return filename;

 }
 
 void MyFrame::OnNewFrame( wxCommandEvent &WXUNUSED(event) )
 {
 }
 
 void MyFrame::OnNewFrame( wxCommandEvent &WXUNUSED(event) )
 {

-    wxString filename = wxFileSelector(_T("Select image file"));
-    if ( !filename )
-        return;
+    wxImage image;
+    wxString filename = LoadUserImage(image);
+    if ( !filename.empty() )
+        (new MyImageFrame(this, filename, wxBitmap(image)))->Show();
+}

 
 

+void MyFrame::OnImageInfo( wxCommandEvent &WXUNUSED(event) )
+{

     wxImage image;
     wxImage image;

-    if ( !image.LoadFile(filename) )
+    if ( !LoadUserImage(image).empty() )

     {
     {

-        wxLogError(_T("Couldn't load image from '%s'."), filename.c_str());
+        // TODO: show more information about the file
+        wxString info = wxString::Format("Image size: %dx%d",
+                                         image.GetWidth(),
+                                         image.GetHeight());
+
+        int xres = image.GetOptionInt(wxIMAGE_OPTION_RESOLUTIONX),
+            yres = image.GetOptionInt(wxIMAGE_OPTION_RESOLUTIONY);
+        if ( xres || yres )
+        {
+            info += wxString::Format("\nResolution: %dx%d", xres, yres);
+            switch ( image.GetOptionInt(wxIMAGE_OPTION_RESOLUTIONUNIT) )
+            {
+                default:
+                    wxFAIL_MSG( "unknown image resolution units" );
+                    // fall through
+
+                case wxIMAGE_RESOLUTION_NONE:
+                    info += " in default units";
+                    break;
+
+                case wxIMAGE_RESOLUTION_INCHES:
+                    info += " in";
+                    break;
+
+                case wxIMAGE_RESOLUTION_CM:
+                    info += " cm";
+                    break;
+            }
+        }

 
 

-        return;
+        wxLogMessage("%s", info);
+    }
+}
+
+#ifdef wxHAVE_RAW_BITMAP
+
+void MyFrame::OnTestRawBitmap( wxCommandEvent &WXUNUSED(event) )
+{
+    (new MyRawBitmapFrame(this))->Show();
+}
+
+#endif // wxHAVE_RAW_BITMAP
+
+#if wxUSE_CLIPBOARD
+
+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"));

     }
 
     }
 

-    (new MyImageFrame(this, image.ConvertToBitmap()))->Show();
+    wxTheClipboard->Close();
+}
+
+void MyFrame::OnPaste(wxCommandEvent& WXUNUSED(event))
+{
+    wxBitmapDataObject dobjBmp;
+
+    wxTheClipboard->Open();
+    if ( !wxTheClipboard->GetData(dobjBmp) )
+    {
+        wxLogMessage(_T("No bitmap data in the clipboard"));
+    }
+    else
+    {
+        (new MyImageFrame(this, _T("Clipboard"), dobjBmp.GetBitmap()))->Show();
+    }
+    wxTheClipboard->Close();

 }
 
 }
 

+#endif // wxUSE_CLIPBOARD
+

 //-----------------------------------------------------------------------------
 // MyApp
 //-----------------------------------------------------------------------------
 
 bool MyApp::OnInit()
 {
 //-----------------------------------------------------------------------------
 // MyApp
 //-----------------------------------------------------------------------------
 
 bool MyApp::OnInit()
 {

-#if wxUSE_LIBPNG
-  wxImage::AddHandler( new wxPNGHandler );
-#endif
+    if ( !wxApp::OnInit() )
+        return false;

 
 

-#if wxUSE_LIBJPEG
-  wxImage::AddHandler( new wxJPEGHandler );
-#endif
+    wxInitAllImageHandlers();

 
 

-#if wxUSE_LIBTIFF
-  wxImage::AddHandler( new wxTIFFHandler );
-#endif
+    wxFrame *frame = new MyFrame();
+    frame->Show( true );

 
 

-#if wxUSE_GIF
-  wxImage::AddHandler( new wxGIFHandler );
-#endif
+    return true;
+}

 
 

-#if wxUSE_PCX
-  wxImage::AddHandler( new wxPCXHandler );
-#endif
+void MyFrame::OnThumbnail( wxCommandEvent &WXUNUSED(event) )
+{
+#if wxUSE_FILEDLG
+    wxString filename = wxFileSelector(_T("Select image file"));
+    if ( filename.empty() )
+        return;

 
 

-#if wxUSE_PNM
-  wxImage::AddHandler( new wxPNMHandler );
-#endif
+    static const int THUMBNAIL_WIDTH = 320;
+    static const int THUMBNAIL_HEIGHT = 240;

 
 

-#if wxUSE_XPM
-  wxImage::AddHandler( new wxXPMHandler );
-#endif
+    wxImage image;
+    image.SetOption(wxIMAGE_OPTION_MAX_WIDTH, THUMBNAIL_WIDTH);
+    image.SetOption(wxIMAGE_OPTION_MAX_HEIGHT, THUMBNAIL_HEIGHT);
+
+    wxStopWatch sw;
+    if ( !image.LoadFile(filename) )
+    {
+        wxLogError(_T("Couldn't load image from '%s'."), filename.c_str());
+        return;
+    }

 
 

-  wxFrame *frame = new MyFrame();
-  frame->Show( TRUE );
+    const long loadTime = sw.Time();

 
 

-  return TRUE;
+    MyImageFrame * const
+        frame = new MyImageFrame(this, filename, wxBitmap(image));
+    frame->Show();
+    wxLogStatus(frame, "Loaded \"%s\" in %ldms", filename, loadTime);
+#else
+    wxLogError( _T("Couldn't create file selector dialog") );
+    return;
+#endif // wxUSE_FILEDLG

 }
 
 }