added alpha channel support to wxGTK2's wxBitmap

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@28850 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/docs/changes.txt b/docs/changes.txt
index 8e988021d47ab8d30047841ee558dd2fba16c0cc..e4428d4d3470c1fdb9c681b494ce502115755dda 100644 (file)
--- a/docs/changes.txt
+++ b/docs/changes.txt
@@ -249,6 +249,7 @@ wxGTK:
 - implemented wxTopLevel::IsMaximized() for GTK+2 and WMs that implement
   freedesktop.org's wm-spec (Mart Raudsepp)
 - wxEVT_CONTEXT_MENU is now generated for right mouse press, not release
 - implemented wxTopLevel::IsMaximized() for GTK+2 and WMs that implement
   freedesktop.org's wm-spec (Mart Raudsepp)
 - wxEVT_CONTEXT_MENU is now generated for right mouse press, not release

+- implemented alpha channel support in wxBitmap

 
 wxMotif:
 
 
 wxMotif:
 

diff --git a/include/wx/gtk/bitmap.h b/include/wx/gtk/bitmap.h
index 51cc2fed09c8aa4141cead85bf6e597fb662a73f..23f5b94e764ecb699a736f71bc385da69866a6f4 100644 (file)
--- a/include/wx/gtk/bitmap.h
+++ b/include/wx/gtk/bitmap.h
@@ -21,6 +21,10 @@
 #include "wx/palette.h"
 #include "wx/gdiobj.h"
 
 #include "wx/palette.h"
 #include "wx/gdiobj.h"
 

+#ifdef __WXGTK20__
+typedef struct _GdkPixbuf GdkPixbuf;
+#endif
+

 //-----------------------------------------------------------------------------
 // classes
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // classes
 //-----------------------------------------------------------------------------


@@ -109,9 +113,17 @@ public:
     void SetDepth( int depth );
     void SetPixmap( GdkPixmap *pixmap );
     void SetBitmap( GdkBitmap *bitmap );
     void SetDepth( int depth );
     void SetPixmap( GdkPixmap *pixmap );
     void SetBitmap( GdkBitmap *bitmap );

+#ifdef __WXGTK20__
+    void SetPixbuf(GdkPixbuf *pixbuf);
+#endif

 
     GdkPixmap *GetPixmap() const;
     GdkBitmap *GetBitmap() const;
 
     GdkPixmap *GetPixmap() const;
     GdkBitmap *GetBitmap() const;

+    bool HasPixmap() const;
+#ifdef __WXGTK20__
+    bool HasPixbuf() const;
+    GdkPixbuf *GetPixbuf() const;
+#endif

     
     // Basically, this corresponds to Win32 StretchBlt()
     wxBitmap Rescale( int clipx, int clipy, int clipwidth, int clipheight, int width, int height );
     
     // Basically, this corresponds to Win32 StretchBlt()
     wxBitmap Rescale( int clipx, int clipy, int clipwidth, int clipheight, int width, int height );


@@ -120,6 +132,25 @@ protected:
     bool CreateFromImage(const wxImage& image, int depth);
 
 private:
     bool CreateFromImage(const wxImage& image, int depth);
 
 private:

+    // to be called from CreateFromImage only!
+    bool CreateFromImageAsBitmap(const wxImage& image);
+    bool CreateFromImageAsPixmap(const wxImage& image);
+
+#ifdef __WXGTK20__
+    bool CreateFromImageAsPixbuf(const wxImage& image);
+
+    enum Representation
+    {
+        Pixmap,
+        Pixbuf
+    };
+    // removes other representations from memory, keeping only 'keep'
+    // (wxBitmap may keep same bitmap e.g. as both pixmap and pixbuf):
+    void PurgeOtherRepresentations(Representation keep);
+
+    friend class wxMemoryDC;
+#endif
+    

     DECLARE_DYNAMIC_CLASS(wxBitmap)
 };
 
     DECLARE_DYNAMIC_CLASS(wxBitmap)
 };
 

diff --git a/include/wx/gtk1/bitmap.h b/include/wx/gtk1/bitmap.h
index 51cc2fed09c8aa4141cead85bf6e597fb662a73f..23f5b94e764ecb699a736f71bc385da69866a6f4 100644 (file)
--- a/include/wx/gtk1/bitmap.h
+++ b/include/wx/gtk1/bitmap.h
@@ -21,6 +21,10 @@
 #include "wx/palette.h"
 #include "wx/gdiobj.h"
 
 #include "wx/palette.h"
 #include "wx/gdiobj.h"
 

+#ifdef __WXGTK20__
+typedef struct _GdkPixbuf GdkPixbuf;
+#endif
+

 //-----------------------------------------------------------------------------
 // classes
 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------
 // classes
 //-----------------------------------------------------------------------------


@@ -109,9 +113,17 @@ public:
     void SetDepth( int depth );
     void SetPixmap( GdkPixmap *pixmap );
     void SetBitmap( GdkBitmap *bitmap );
     void SetDepth( int depth );
     void SetPixmap( GdkPixmap *pixmap );
     void SetBitmap( GdkBitmap *bitmap );

+#ifdef __WXGTK20__
+    void SetPixbuf(GdkPixbuf *pixbuf);
+#endif

 
     GdkPixmap *GetPixmap() const;
     GdkBitmap *GetBitmap() const;
 
     GdkPixmap *GetPixmap() const;
     GdkBitmap *GetBitmap() const;

+    bool HasPixmap() const;
+#ifdef __WXGTK20__
+    bool HasPixbuf() const;
+    GdkPixbuf *GetPixbuf() const;
+#endif

     
     // Basically, this corresponds to Win32 StretchBlt()
     wxBitmap Rescale( int clipx, int clipy, int clipwidth, int clipheight, int width, int height );
     
     // Basically, this corresponds to Win32 StretchBlt()
     wxBitmap Rescale( int clipx, int clipy, int clipwidth, int clipheight, int width, int height );


@@ -120,6 +132,25 @@ protected:
     bool CreateFromImage(const wxImage& image, int depth);
 
 private:
     bool CreateFromImage(const wxImage& image, int depth);
 
 private:

+    // to be called from CreateFromImage only!
+    bool CreateFromImageAsBitmap(const wxImage& image);
+    bool CreateFromImageAsPixmap(const wxImage& image);
+
+#ifdef __WXGTK20__
+    bool CreateFromImageAsPixbuf(const wxImage& image);
+
+    enum Representation
+    {
+        Pixmap,
+        Pixbuf
+    };
+    // removes other representations from memory, keeping only 'keep'
+    // (wxBitmap may keep same bitmap e.g. as both pixmap and pixbuf):
+    void PurgeOtherRepresentations(Representation keep);
+
+    friend class wxMemoryDC;
+#endif
+    

     DECLARE_DYNAMIC_CLASS(wxBitmap)
 };
 
     DECLARE_DYNAMIC_CLASS(wxBitmap)
 };
 

diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp
index 2cb613a8fe911eafe9bedb324b8dd0ddeab70a1b..036f237c89fb7fa44c09690af42dde09fd539d22 100644 (file)
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -239,6 +239,9 @@ public:
 
     GdkPixmap      *m_pixmap;
     GdkBitmap      *m_bitmap;
 
     GdkPixmap      *m_pixmap;
     GdkBitmap      *m_bitmap;

+#ifdef __WXGTK20__
+    GdkPixbuf      *m_pixbuf;
+#endif

     wxMask         *m_mask;
     int             m_width;
     int             m_height;
     wxMask         *m_mask;
     int             m_width;
     int             m_height;


@@ -250,6 +253,9 @@ wxBitmapRefData::wxBitmapRefData()
 {
     m_pixmap = (GdkPixmap *) NULL;
     m_bitmap = (GdkBitmap *) NULL;
 {
     m_pixmap = (GdkPixmap *) NULL;
     m_bitmap = (GdkBitmap *) NULL;

+#ifdef __WXGTK20__
+    m_pixbuf = (GdkPixbuf *) NULL;
+#endif

     m_mask = (wxMask *) NULL;
     m_width = 0;
     m_height = 0;
     m_mask = (wxMask *) NULL;
     m_width = 0;
     m_height = 0;


@@ -263,6 +269,10 @@ wxBitmapRefData::~wxBitmapRefData()
         gdk_pixmap_unref( m_pixmap );
     if (m_bitmap)
         gdk_bitmap_unref( m_bitmap );
         gdk_pixmap_unref( m_pixmap );
     if (m_bitmap)
         gdk_bitmap_unref( m_bitmap );

+#ifdef __WXGTK20__
+    if (m_pixbuf)
+        gdk_pixbuf_unref( m_pixbuf );
+#endif

     delete m_mask;
     delete m_palette;
 }
     delete m_mask;
     delete m_palette;
 }


@@ -352,136 +362,90 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight,
 
     if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height)
         return *this;
 
     if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height)
         return *this;

-        
-    GdkImage *img = (GdkImage*) NULL;
-    if (GetPixmap())
-        img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() );
-    else if (GetBitmap())
-        img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() );
-    else
-        wxFAIL_MSG( wxT("Ill-formed bitmap") );
-
-    wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") );
-
-    wxBitmap bmp;
-    int bpp = -1;
-
+    

     int width = wxMax(newx, 1);
     int height = wxMax(newy, 1);
     width = wxMin(width, clipwidth);
     height = wxMin(height, clipheight);
     int width = wxMax(newx, 1);
     int height = wxMax(newy, 1);
     width = wxMin(width, clipwidth);
     height = wxMin(height, clipheight);

-    
-    GdkGC *gc = NULL;
-    GdkPixmap *dstpix = NULL;
-    if (GetPixmap())
-    {
-        GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
-        if (visual == NULL)
-            visual = wxTheApp->GetGdkVisual();
-
-        bpp = visual->depth;
-        bmp = wxBitmap(width,height,bpp);
-        dstpix = bmp.GetPixmap();
-        gc = gdk_gc_new( dstpix );
-    }
+        
+    wxBitmap bmp;

 
 

-    char *dst = NULL;
-    long dstbyteperline = 0;
-    
-    if (GetBitmap())
+#ifdef __WXGTK20__
+    if (HasPixbuf())

     {
     {

-        bpp = 1;
-        dstbyteperline = width/8*M_BMPDATA->m_bpp;
-        if (width*M_BMPDATA->m_bpp % 8 != 0)
-            dstbyteperline++;
-        dst = (char*) malloc(dstbyteperline*height);
+        bmp.SetWidth(width);
+        bmp.SetHeight(height);
+        bmp.SetDepth(GetDepth());
+        bmp.SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE/*has_alpha*/,
+                                     8, width, height));
+        gdk_pixbuf_scale(M_BMPDATA->m_pixbuf, bmp.GetPixbuf(),
+                         0, 0, width, height,
+                         clipx, clipy, 
+                         (double)newx/GetWidth(), (double)newy/GetHeight(),
+                         GDK_INTERP_BILINEAR);

     }
     }

-             
-    // be careful to use the right scaling factor
-    float scx = (float)M_BMPDATA->m_width/(float)newx;
-    float scy = (float)M_BMPDATA->m_height/(float)newy;
-    // prepare accel-tables
-    int *tablex = (int *)calloc(width,sizeof(int));
-    int *tabley = (int *)calloc(height,sizeof(int));
-
-    // accel table filled with clipped values
-    for (int x = 0; x < width; x++)
-        tablex[x] = (int) (scx * (x+clipx));
-    for (int y = 0; y < height; y++)
-        tabley[y] = (int) (scy * (y+clipy));
-
-    // Main rescaling routine starts here
-    for (int h = 0; h < height; h++)
+    else
+#endif // __WXGTK20__

     {
     {

-        char outbyte = 0;
-        int old_x = -1;
-        guint32 old_pixval = 0;
+        GdkImage *img = (GdkImage*) NULL;
+        if (GetPixmap())
+            img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() );
+        else if (GetBitmap())
+            img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() );
+        else
+            wxFAIL_MSG( wxT("Ill-formed bitmap") );
+
+        wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") );

 
 

-        for (int w = 0; w < width; w++)
+        int bpp = -1;
+
+        
+        GdkGC *gc = NULL;
+        GdkPixmap *dstpix = NULL;
+        if (GetPixmap())

         {
         {

-            guint32 pixval;
-            int x = tablex[w];
-            if (x == old_x)
-                pixval = old_pixval;
-            else
-            {
-                pixval = gdk_image_get_pixel( img, x, tabley[h] );
-                old_pixval = pixval;
-                old_x = x;
-            }
-                
-            if (bpp == 1)
-            {
-                if (!pixval)
-                {
-                    char bit=1;
-                    char shift = bit << w % 8;
-                    outbyte |= shift;
-                }
-                
-                if ((w+1)%8==0)
-                {
-                    dst[h*dstbyteperline+w/8] = outbyte;
-                    outbyte = 0;
-                }
-            }
-            else
-            {
-                GdkColor col;
-                col.pixel = pixval;
-                gdk_gc_set_foreground( gc, &col );
-                gdk_draw_point( dstpix, gc, w, h);
-            }
+            GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
+            if (visual == NULL)
+                visual = wxTheApp->GetGdkVisual();
+
+            bpp = visual->depth;
+            bmp = wxBitmap(width,height,bpp);
+            dstpix = bmp.GetPixmap();
+            gc = gdk_gc_new( dstpix );

         }
         }

-    
-        // do not forget the last byte
-        if ((bpp == 1) && (width % 8 != 0))
-            dst[h*dstbyteperline+width/8] = outbyte;
-    }
-    
-    gdk_image_destroy( img );
-    if (gc) gdk_gc_unref( gc );

 
 

-    if (bpp == 1)
-    {
-        bmp = wxBitmap( (const char *)dst, width, height, 1 );
-        free( dst );
-    }
-    
-    if (GetMask())
-    {
-        dstbyteperline = width/8;
-        if (width % 8 != 0)
-            dstbyteperline++;
-        dst = (char*) malloc(dstbyteperline*height);
-        img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() );
+        char *dst = NULL;
+        long dstbyteperline = 0;
+        
+        if (GetBitmap())
+        {
+            bpp = 1;
+            dstbyteperline = width/8*M_BMPDATA->m_bpp;
+            if (width*M_BMPDATA->m_bpp % 8 != 0)
+                dstbyteperline++;
+            dst = (char*) malloc(dstbyteperline*height);
+        }
+                 
+        // be careful to use the right scaling factor
+        float scx = (float)M_BMPDATA->m_width/(float)newx;
+        float scy = (float)M_BMPDATA->m_height/(float)newy;
+        // prepare accel-tables
+        int *tablex = (int *)calloc(width,sizeof(int));
+        int *tabley = (int *)calloc(height,sizeof(int));
+
+        // accel table filled with clipped values
+        for (int x = 0; x < width; x++)
+            tablex[x] = (int) (scx * (x+clipx));
+        for (int y = 0; y < height; y++)
+            tabley[y] = (int) (scy * (y+clipy));

 
 

+        // Main rescaling routine starts here

         for (int h = 0; h < height; h++)
         {
             char outbyte = 0;
             int old_x = -1;
             guint32 old_pixval = 0;
         for (int h = 0; h < height; h++)
         {
             char outbyte = 0;
             int old_x = -1;
             guint32 old_pixval = 0;

-    
+

             for (int w = 0; w < width; w++)
             {
                 guint32 pixval;
             for (int w = 0; w < width; w++)
             {
                 guint32 pixval;


@@ -494,535 +458,695 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight,
                     old_pixval = pixval;
                     old_x = x;
                 }
                     old_pixval = pixval;
                     old_x = x;
                 }

-                
-                if (pixval)
+                    
+                if (bpp == 1)

                 {
                 {

-                    char bit=1;
-                    char shift = bit << w % 8;
-                    outbyte |= shift;
+                    if (!pixval)
+                    {
+                        char bit=1;
+                        char shift = bit << w % 8;
+                        outbyte |= shift;
+                    }
+                    
+                    if ((w+1)%8==0)
+                    {
+                        dst[h*dstbyteperline+w/8] = outbyte;
+                        outbyte = 0;
+                    }

                 }
                 }

-                
-                if ((w+1)%8 == 0)
+                else

                 {
                 {

-                    dst[h*dstbyteperline+w/8] = outbyte;
-                    outbyte = 0;
+                    GdkColor col;
+                    col.pixel = pixval;
+                    gdk_gc_set_foreground( gc, &col );
+                    gdk_draw_point( dstpix, gc, w, h);

                 }
             }
         
             // do not forget the last byte
                 }
             }
         
             // do not forget the last byte

-            if (width % 8 != 0)
+            if ((bpp == 1) && (width % 8 != 0))

                 dst[h*dstbyteperline+width/8] = outbyte;
         }
                 dst[h*dstbyteperline+width/8] = outbyte;
         }

-        wxMask* mask = new wxMask;
-        mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height );
-        bmp.SetMask(mask);
-
-        free( dst );
+        

         gdk_image_destroy( img );
         gdk_image_destroy( img );

-    }
+        if (gc) gdk_gc_unref( gc );
+
+        if (bpp == 1)
+        {
+            bmp = wxBitmap( (const char *)dst, width, height, 1 );
+            free( dst );
+        }
+        
+        if (GetMask())
+        {
+            dstbyteperline = width/8;
+            if (width % 8 != 0)
+                dstbyteperline++;
+            dst = (char*) malloc(dstbyteperline*height);
+            img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() );

 
 

-    free( tablex );
-    free( tabley );
+            for (int h = 0; h < height; h++)
+            {
+                char outbyte = 0;
+                int old_x = -1;
+                guint32 old_pixval = 0;
+        
+                for (int w = 0; w < width; w++)
+                {
+                    guint32 pixval;
+                    int x = tablex[w];
+                    if (x == old_x)
+                        pixval = old_pixval;
+                    else
+                    {
+                        pixval = gdk_image_get_pixel( img, x, tabley[h] );
+                        old_pixval = pixval;
+                        old_x = x;
+                    }
+                    
+                    if (pixval)
+                    {
+                        char bit=1;
+                        char shift = bit << w % 8;
+                        outbyte |= shift;
+                    }
+                    
+                    if ((w+1)%8 == 0)
+                    {
+                        dst[h*dstbyteperline+w/8] = outbyte;
+                        outbyte = 0;
+                    }
+                }
+            
+                // do not forget the last byte
+                if (width % 8 != 0)
+                    dst[h*dstbyteperline+width/8] = outbyte;
+            }
+            wxMask* mask = new wxMask;
+            mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height );
+            bmp.SetMask(mask);
+
+            free( dst );
+            gdk_image_destroy( img );
+        }
+
+        free( tablex );
+        free( tabley );
+    }

     
     return bmp; 
 }
 
     
     return bmp; 
 }
 

-bool wxBitmap::CreateFromImage( const wxImage& img, int depth )
+bool wxBitmap::CreateFromImage(const wxImage& image, int depth)

 {
     UnRef();
 
 {
     UnRef();
 

-    wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid image") )
+    wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )

     wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") )
 
     wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") )
 

-    // NB: wxGTK doesn't yet support alpha channel in bitmaps. The best we can
-    //     do is to convert alpha channel to mask, if it is present:
-    wxImage image(img);
-    image.ConvertAlphaToMask();
-
-    int width = image.GetWidth();
-    int height = image.GetHeight();
+    if (image.GetWidth() <= 0 || image.GetHeight() <= 0)
+        return false;
+    
+    m_refData = new wxBitmapRefData();

 
 

-    if ( width <= 0 || height <= 0 )
+    if (depth == 1)

     {
     {

-        return false;
+        return CreateFromImageAsBitmap(image);

     }
     }

+    else
+    {
+#ifdef __WXGTK20__
+        if (image.HasAlpha())
+            return CreateFromImageAsPixbuf(image);
+#endif
+        return CreateFromImageAsPixmap(image);
+    }
+}

 
 

-    m_refData = new wxBitmapRefData();
+// conversion to mono bitmap:
+bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img)
+{
+    // convert alpha channel to mask, if it is present:
+    wxImage image(img);
+    image.ConvertAlphaToMask();
+    
+    int width = image.GetWidth();
+    int height = image.GetHeight();

 
     SetHeight( height );
     SetWidth( width );
 
 
     SetHeight( height );
     SetWidth( width );
 

-    // ------
-    // conversion to mono bitmap:
-    // ------
-    if (depth == 1)
-    {
-        SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );
+    SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );

 
 

-        SetDepth( 1 );
+    SetDepth( 1 );

 
 

-        GdkVisual *visual = wxTheApp->GetGdkVisual();
+    GdkVisual *visual = wxTheApp->GetGdkVisual();

 
 

-        // Create picture image
+    // Create picture image

 
 

-        unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
+    unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height );

 
 

-        GdkImage *data_image =
-            gdk_image_new_bitmap( visual, data_data, width, height );
+    GdkImage *data_image =
+        gdk_image_new_bitmap( visual, data_data, width, height );

 
 

-        // Create mask image
+    // Create mask image

 
 

-        GdkImage *mask_image = (GdkImage*) NULL;
+    GdkImage *mask_image = (GdkImage*) NULL;

 
 

-        if (image.HasMask())
-        {
-            unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
+    if (image.HasMask())
+    {
+        unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );

 
 

-            mask_image =  gdk_image_new_bitmap( visual, mask_data, width, height );
+        mask_image =  gdk_image_new_bitmap( visual, mask_data, width, height );

 
 

-            wxMask *mask = new wxMask();
-            mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
+        wxMask *mask = new wxMask();
+        mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );

 
 

-            SetMask( mask );
-        }
+        SetMask( mask );
+    }

 
 

-        int r_mask = image.GetMaskRed();
-        int g_mask = image.GetMaskGreen();
-        int b_mask = image.GetMaskBlue();
+    int r_mask = image.GetMaskRed();
+    int g_mask = image.GetMaskGreen();
+    int b_mask = image.GetMaskBlue();

 
 

-        unsigned char* data = image.GetData();
+    unsigned char* data = image.GetData();

 
 

-        int index = 0;
-        for (int y = 0; y < height; y++)
+    int index = 0;
+    for (int y = 0; y < height; y++)
+    {
+        for (int x = 0; x < width; x++)

         {
         {

-            for (int x = 0; x < width; x++)
+            int r = data[index];
+            index++;
+            int g = data[index];
+            index++;
+            int b = data[index];
+            index++;
+
+            if (image.HasMask())

             {
             {

-                int r = data[index];
-                index++;
-                int g = data[index];
-                index++;
-                int b = data[index];
-                index++;
-
-                if (image.HasMask())
-                {
-                    if ((r == r_mask) && (b == b_mask) && (g == g_mask))
-                        gdk_image_put_pixel( mask_image, x, y, 1 );
-                    else
-                        gdk_image_put_pixel( mask_image, x, y, 0 );
-                }
-
-                if ((r == 255) && (b == 255) && (g == 255))
-                    gdk_image_put_pixel( data_image, x, y, 1 );
+                if ((r == r_mask) && (b == b_mask) && (g == g_mask))
+                    gdk_image_put_pixel( mask_image, x, y, 1 );

                 else
                 else

-                    gdk_image_put_pixel( data_image, x, y, 0 );
+                    gdk_image_put_pixel( mask_image, x, y, 0 );
+            }

 
 

-            } // for
-        }  // for
+            if ((r == 255) && (b == 255) && (g == 255))
+                gdk_image_put_pixel( data_image, x, y, 1 );
+            else
+                gdk_image_put_pixel( data_image, x, y, 0 );

 
 

-        // Blit picture
+        } // for
+    }  // for

 
 

-        GdkGC *data_gc = gdk_gc_new( GetBitmap() );
+    // Blit picture

 
 

-        gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
+    GdkGC *data_gc = gdk_gc_new( GetBitmap() );

 
 

-        gdk_image_destroy( data_image );
-        gdk_gc_unref( data_gc );
+    gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height );

 
 

-        // Blit mask
+    gdk_image_destroy( data_image );
+    gdk_gc_unref( data_gc );

 
 

-        if (image.HasMask())
-        {
-            GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
+    // Blit mask

 
 

-            gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
+    if (image.HasMask())
+    {
+        GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );

 
 

-            gdk_image_destroy( mask_image );
-            gdk_gc_unref( mask_gc );
-        }
+        gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
+
+        gdk_image_destroy( mask_image );
+        gdk_gc_unref( mask_gc );

     }
 
     }
 

-    // ------
-    // conversion to colour bitmap:
-    // ------
-    else
-    {
-        SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) );
+    return true;
+}
+    
+// conversion to colour bitmap:
+bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img)
+{
+    // convert alpha channel to mask, if it is present:
+    wxImage image(img);
+    image.ConvertAlphaToMask();
+    
+    int width = image.GetWidth();
+    int height = image.GetHeight();
+
+    SetHeight( height );
+    SetWidth( width );
+
+    SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) );

 
 

-        GdkVisual *visual = wxTheApp->GetGdkVisual();
+    GdkVisual *visual = wxTheApp->GetGdkVisual();

 
 

-        int bpp = visual->depth;
+    int bpp = visual->depth;

 
 

-        SetDepth( bpp );
+    SetDepth( bpp );

 
 

-        if ((bpp == 16) && (visual->red_mask != 0xf800))
-            bpp = 15;
-        else if (bpp < 8)
-            bpp = 8;
+    if ((bpp == 16) && (visual->red_mask != 0xf800))
+        bpp = 15;
+    else if (bpp < 8)
+        bpp = 8;

 
 

-        // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit
-        // visuals are not supported by GDK so we do these ourselves, too.
-        // 15-bit and 16-bit should actually work and 24-bit certainly does.
+    // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit
+    // visuals are not supported by GDK so we do these ourselves, too.
+    // 15-bit and 16-bit should actually work and 24-bit certainly does.

 #ifdef __sgi
 #ifdef __sgi

-        if (!image.HasMask() && (bpp > 16))
+    if (!image.HasMask() && (bpp > 16))

 #else
 #else

-        if (!image.HasMask() && (bpp > 12))
+    if (!image.HasMask() && (bpp > 12))

 #endif
 #endif

-        {
-            static bool s_hasInitialized = FALSE;
+    {
+        static bool s_hasInitialized = FALSE;

 
 

-            if (!s_hasInitialized)
-            {
-                gdk_rgb_init();
-                s_hasInitialized = TRUE;
-            }
+        if (!s_hasInitialized)
+        {
+            gdk_rgb_init();
+            s_hasInitialized = TRUE;
+        }

 
 

-            GdkGC *gc = gdk_gc_new( GetPixmap() );
+        GdkGC *gc = gdk_gc_new( GetPixmap() );

 
 

-            gdk_draw_rgb_image( GetPixmap(),
-                                gc,
-                                0, 0,
-                                width, height,
-                                GDK_RGB_DITHER_NONE,
-                                image.GetData(),
-                                width*3 );
+        gdk_draw_rgb_image( GetPixmap(),
+                            gc,
+                            0, 0,
+                            width, height,
+                            GDK_RGB_DITHER_NONE,
+                            image.GetData(),
+                            width*3 );

 
 

-            gdk_gc_unref( gc );
-            return TRUE;
-        }
+        gdk_gc_unref( gc );
+        return TRUE;
+    }

 
 

-        // Create picture image
+    // Create picture image

 
 

-        GdkImage *data_image =
-            gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height );
+    GdkImage *data_image =
+        gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height );

 
 

-        // Create mask image
+    // Create mask image

 
 

-        GdkImage *mask_image = (GdkImage*) NULL;
+    GdkImage *mask_image = (GdkImage*) NULL;

 
 

-        if (image.HasMask())
-        {
-            unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
+    if (image.HasMask())
+    {
+        unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );

 
 

-            mask_image =  gdk_image_new_bitmap( visual, mask_data, width, height );
+        mask_image =  gdk_image_new_bitmap( visual, mask_data, width, height );

 
 

-            wxMask *mask = new wxMask();
-            mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
+        wxMask *mask = new wxMask();
+        mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );

 
 

-            SetMask( mask );
-        }
+        SetMask( mask );
+    }

 
 

-        // Render
+    // Render

 
 

-        enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
-        byte_order b_o = RGB;
+    enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
+    byte_order b_o = RGB;

 
 

-        if (bpp > 8)
-        {
-            if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask))      b_o = RGB;
-            else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask))  b_o = RBG;
-            else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask))   b_o = BRG;
-            else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
-            else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask))   b_o = GRB;
-            else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask))  b_o = GBR;
-        }
+    if (bpp > 8)
+    {
+        if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask))      b_o = RGB;
+        else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask))  b_o = RBG;
+        else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask))   b_o = BRG;
+        else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
+        else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask))   b_o = GRB;
+        else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask))  b_o = GBR;
+    }

 
 

-        int r_mask = image.GetMaskRed();
-        int g_mask = image.GetMaskGreen();
-        int b_mask = image.GetMaskBlue();
+    int r_mask = image.GetMaskRed();
+    int g_mask = image.GetMaskGreen();
+    int b_mask = image.GetMaskBlue();

 
 

-        unsigned char* data = image.GetData();
+    unsigned char* data = image.GetData();

 
 

-        int index = 0;
-        for (int y = 0; y < height; y++)
+    int index = 0;
+    for (int y = 0; y < height; y++)
+    {
+        for (int x = 0; x < width; x++)

         {
         {

-            for (int x = 0; x < width; x++)
+            int r = data[index];
+            index++;
+            int g = data[index];
+            index++;
+            int b = data[index];
+            index++;
+
+            if (image.HasMask())

             {
             {

-                int r = data[index];
-                index++;
-                int g = data[index];
-                index++;
-                int b = data[index];
-                index++;
-
-                if (image.HasMask())
-                {
-                    if ((r == r_mask) && (b == b_mask) && (g == g_mask))
-                        gdk_image_put_pixel( mask_image, x, y, 1 );
-                    else
-                        gdk_image_put_pixel( mask_image, x, y, 0 );
-                }
+                if ((r == r_mask) && (b == b_mask) && (g == g_mask))
+                    gdk_image_put_pixel( mask_image, x, y, 1 );
+                else
+                    gdk_image_put_pixel( mask_image, x, y, 0 );
+            }

 
 

-                switch (bpp)
+            switch (bpp)
+            {
+                case 8:

                 {
                 {

-                    case 8:
+                    int pixel = -1;
+                    if (wxTheApp->m_colorCube)

                     {
                     {

-                        int pixel = -1;
-                        if (wxTheApp->m_colorCube)
-                        {
-                            pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
-                        }
-                        else
+                        pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
+                    }
+                    else
+                    {
+                        GdkColormap *cmap = gtk_widget_get_default_colormap();
+                        GdkColor *colors = cmap->colors;
+                        int max = 3 * (65536);
+
+                        for (int i = 0; i < cmap->size; i++)

                         {
                         {

-                            GdkColormap *cmap = gtk_widget_get_default_colormap();
-                            GdkColor *colors = cmap->colors;
-                            int max = 3 * (65536);
-
-                            for (int i = 0; i < cmap->size; i++)
-                            {
-                                int rdiff = (r << 8) - colors[i].red;
-                                int gdiff = (g << 8) - colors[i].green;
-                                int bdiff = (b << 8) - colors[i].blue;
-                                int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
-                                if (sum < max) { pixel = i; max = sum; }
-                            }
+                            int rdiff = (r << 8) - colors[i].red;
+                            int gdiff = (g << 8) - colors[i].green;
+                            int bdiff = (b << 8) - colors[i].blue;
+                            int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
+                            if (sum < max) { pixel = i; max = sum; }

                         }
                         }

+                    }

 
 

-                        gdk_image_put_pixel( data_image, x, y, pixel );
+                    gdk_image_put_pixel( data_image, x, y, pixel );

 
 

-                        break;
-                    }
-                    case 12:  // SGI only
+                    break;
+                }
+                case 12:  // SGI only
+                {
+                    guint32 pixel = 0;
+                    switch (b_o)

                     {
                     {

-                        guint32 pixel = 0;
-                        switch (b_o)
-                        {
-                            case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
-                            case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
-                            case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
-                            case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
-                            case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
-                            case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;
-                        }
-                        gdk_image_put_pixel( data_image, x, y, pixel );
-                        break;
+                        case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
+                        case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
+                        case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
+                        case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
+                        case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
+                        case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;

                     }
                     }

-                    case 15:
+                    gdk_image_put_pixel( data_image, x, y, pixel );
+                    break;
+                }
+                case 15:
+                {
+                    guint32 pixel = 0;
+                    switch (b_o)

                     {
                     {

-                        guint32 pixel = 0;
-                        switch (b_o)
-                        {
-                            case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
-                            case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
-                            case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
-                            case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
-                            case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
-                            case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
-                        }
-                        gdk_image_put_pixel( data_image, x, y, pixel );
-                        break;
+                        case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
+                        case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
+                        case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
+                        case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
+                        case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
+                        case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;

                     }
                     }

-                    case 16:
+                    gdk_image_put_pixel( data_image, x, y, pixel );
+                    break;
+                }
+                case 16:
+                {
+                    // I actually don't know if for 16-bit displays, it is alway the green
+                    // component or the second component which has 6 bits.
+                    guint32 pixel = 0;
+                    switch (b_o)

                     {
                     {

-                        // I actually don't know if for 16-bit displays, it is alway the green
-                        // component or the second component which has 6 bits.
-                        guint32 pixel = 0;
-                        switch (b_o)
-                        {
-                            case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
-                            case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
-                            case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
-                            case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
-                            case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
-                            case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
-                        }
-                        gdk_image_put_pixel( data_image, x, y, pixel );
-                        break;
+                        case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
+                        case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
+                        case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
+                        case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
+                        case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
+                        case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;

                     }
                     }

-                    case 32:
-                    case 24:
+                    gdk_image_put_pixel( data_image, x, y, pixel );
+                    break;
+                }
+                case 32:
+                case 24:
+                {
+                    guint32 pixel = 0;
+                    switch (b_o)

                     {
                     {

-                        guint32 pixel = 0;
-                        switch (b_o)
-                        {
-                            case RGB: pixel = (r << 16) | (g << 8) | b; break;
-                            case RBG: pixel = (r << 16) | (b << 8) | g; break;
-                            case BRG: pixel = (b << 16) | (r << 8) | g; break;
-                            case BGR: pixel = (b << 16) | (g << 8) | r; break;
-                            case GRB: pixel = (g << 16) | (r << 8) | b; break;
-                            case GBR: pixel = (g << 16) | (b << 8) | r; break;
-                        }
-                        gdk_image_put_pixel( data_image, x, y, pixel );
+                        case RGB: pixel = (r << 16) | (g << 8) | b; break;
+                        case RBG: pixel = (r << 16) | (b << 8) | g; break;
+                        case BRG: pixel = (b << 16) | (r << 8) | g; break;
+                        case BGR: pixel = (b << 16) | (g << 8) | r; break;
+                        case GRB: pixel = (g << 16) | (r << 8) | b; break;
+                        case GBR: pixel = (g << 16) | (b << 8) | r; break;

                     }
                     }

-                    default: break;
+                    gdk_image_put_pixel( data_image, x, y, pixel );

                 }
                 }

-            } // for
-        }  // for
+                default: break;
+            }
+        } // for
+    }  // for

 
 

-        // Blit picture
+    // Blit picture

 
 

-        GdkGC *data_gc = gdk_gc_new( GetPixmap() );
+    GdkGC *data_gc = gdk_gc_new( GetPixmap() );

 
 

-        gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
+    gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );

 
 

-        gdk_image_destroy( data_image );
-        gdk_gc_unref( data_gc );
+    gdk_image_destroy( data_image );
+    gdk_gc_unref( data_gc );

 
 

-        // Blit mask
+    // Blit mask

 
 

-        if (image.HasMask())
-        {
-            GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
+    if (image.HasMask())
+    {
+        GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );

 
 

-            gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
+        gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );

 
 

-            gdk_image_destroy( mask_image );
-            gdk_gc_unref( mask_gc );
-        }
+        gdk_image_destroy( mask_image );
+        gdk_gc_unref( mask_gc );

     }
 
     }
 

-    return TRUE;
+    return true;

 }
 
 }
 

-wxImage wxBitmap::ConvertToImage() const
+#ifdef __WXGTK20__
+bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image)

 {
 {

-    // the colour used as transparent one in wxImage and the one it is replaced
-    // with when it really occurs in the bitmap
-    static const int MASK_RED = 1;
-    static const int MASK_GREEN = 2;
-    static const int MASK_BLUE = 3;
-    static const int MASK_BLUE_REPLACEMENT = 2;
+    int width = image.GetWidth();
+    int height = image.GetHeight();

 
 

-    wxImage image;
+    GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+                                       image.HasAlpha(),
+                                       8 /* bits per sample */,
+                                       width, height);
+    if (!pixbuf)
+        return false;

 
 

-    wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+    wxASSERT( gdk_pixbuf_get_n_channels(pixbuf) == 4 );
+    wxASSERT( gdk_pixbuf_get_width(pixbuf) == width );
+    wxASSERT( gdk_pixbuf_get_height(pixbuf) == height );
+    
+    M_BMPDATA->m_pixbuf = pixbuf;
+    SetHeight(height);
+    SetWidth(width);
+    SetDepth(wxTheApp->GetGdkVisual()->depth);
+ 
+    // Copy the data:
+    unsigned char *in = image.GetData();
+    unsigned char *out = gdk_pixbuf_get_pixels(pixbuf);
+    unsigned char *alpha = image.GetAlpha();
+    
+    int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width;

 
 

-    GdkImage *gdk_image = (GdkImage*) NULL;
-    if (GetPixmap())
-    {
-        gdk_image = gdk_image_get( GetPixmap(),
-                                   0, 0,
-                                   GetWidth(), GetHeight() );
-    }
-    else if (GetBitmap())
-    {
-        gdk_image = gdk_image_get( GetBitmap(),
-                                   0, 0,
-                                   GetWidth(), GetHeight() );
-    }
-    else
+        
+    for (int y = 0; y < height; y++, out += rowinc)

     {
     {

-        wxFAIL_MSG( wxT("Ill-formed bitmap") );
+        for (int x = 0; x < width; x++, alpha++, out += 4, in += 3)
+        {
+            out[0] = in[0];
+            out[1] = in[1];
+            out[2] = in[2];
+            out[3] = *alpha;
+        }

     }
     }

+    
+    return true;
+}
+#endif // __WXGTK20__

 
 

-    wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") );
+wxImage wxBitmap::ConvertToImage() const
+{
+    wxImage image;

 
 

-    image.Create( GetWidth(), GetHeight() );
-    char unsigned *data = image.GetData();
+    wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+    
+    image.Create(GetWidth(), GetHeight());
+    unsigned char *data = image.GetData();

 
     if (!data)
     {
 
     if (!data)
     {

-        gdk_image_destroy( gdk_image );

         wxFAIL_MSG( wxT("couldn't create image") );
         return wxNullImage;
     }
 
         wxFAIL_MSG( wxT("couldn't create image") );
         return wxNullImage;
     }
 

-    GdkImage *gdk_image_mask = (GdkImage*) NULL;
-    if (GetMask())
+#ifdef __WXGTK20__
+    if (HasPixbuf())

     {
     {

-        gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(),
-                                        0, 0,
-                                        GetWidth(), GetHeight() );
-
-        image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
-    }
+        GdkPixbuf *pixbuf = GetPixbuf();
+        wxASSERT( gdk_pixbuf_get_has_alpha(pixbuf) );
+        
+        int w = GetWidth();
+        int h = GetHeight();
+        
+        image.SetAlpha();

 
 

-    int bpp = -1;
-    int red_shift_right = 0;
-    int green_shift_right = 0;
-    int blue_shift_right = 0;
-    int red_shift_left = 0;
-    int green_shift_left = 0;
-    int blue_shift_left = 0;
-    bool use_shift = FALSE;
+        unsigned char *alpha = image.GetAlpha();
+        unsigned char *in = gdk_pixbuf_get_pixels(pixbuf);
+        unsigned char *out = data;
+        int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * w;

 
 

-    if (GetPixmap())
-    {
-        GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
-        if (visual == NULL)
-            visual = wxTheApp->GetGdkVisual();
-
-        bpp = visual->depth;
-        if (bpp == 16)
-            bpp = visual->red_prec + visual->green_prec + visual->blue_prec;
-        red_shift_right = visual->red_shift;
-        red_shift_left = 8-visual->red_prec;
-        green_shift_right = visual->green_shift;
-        green_shift_left = 8-visual->green_prec;
-        blue_shift_right = visual->blue_shift;
-        blue_shift_left = 8-visual->blue_prec;
-
-        use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR);
+        for (int y = 0; y < h; y++, in += rowinc)
+        {
+            for (int x = 0; x < w; x++, in += 4, out += 3, alpha++)
+            {
+                out[0] = in[0];
+                out[1] = in[1];
+                out[2] = in[2];
+                *alpha = in[3];
+            }
+        }

     }
     }

-    if (GetBitmap())
+    else
+#endif // __WXGTK20__

     {
     {

-        bpp = 1;
-    }
+        // the colour used as transparent one in wxImage and the one it is
+        // replaced with when it really occurs in the bitmap
+        static const int MASK_RED = 1;
+        static const int MASK_GREEN = 2;
+        static const int MASK_BLUE = 3;
+        static const int MASK_BLUE_REPLACEMENT = 2;

 
 

+        GdkImage *gdk_image = (GdkImage*) NULL;

 
 

-    GdkColormap *cmap = gtk_widget_get_default_colormap();
+        if (HasPixmap())
+        {
+            gdk_image = gdk_image_get( GetPixmap(),
+                                       0, 0,
+                                       GetWidth(), GetHeight() );
+        }
+        else if (GetBitmap())
+        {
+            gdk_image = gdk_image_get( GetBitmap(),
+                                       0, 0,
+                                       GetWidth(), GetHeight() );
+        }
+        else
+        {
+            wxFAIL_MSG( wxT("Ill-formed bitmap") );
+        }

 
 

-    long pos = 0;
-    for (int j = 0; j < GetHeight(); j++)
-    {
-        for (int i = 0; i < GetWidth(); i++)
+        wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") );
+
+        GdkImage *gdk_image_mask = (GdkImage*) NULL;
+        if (GetMask())

         {
         {

-            wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j );
-            if (bpp == 1)
+            gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(),
+                                            0, 0,
+                                            GetWidth(), GetHeight() );
+
+            image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
+        }
+
+        int bpp = -1;
+        int red_shift_right = 0;
+        int green_shift_right = 0;
+        int blue_shift_right = 0;
+        int red_shift_left = 0;
+        int green_shift_left = 0;
+        int blue_shift_left = 0;
+        bool use_shift = FALSE;
+
+        if (GetPixmap())
+        {
+            GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
+            if (visual == NULL)
+                visual = wxTheApp->GetGdkVisual();
+
+            bpp = visual->depth;
+            if (bpp == 16)
+                bpp = visual->red_prec + visual->green_prec + visual->blue_prec;
+            red_shift_right = visual->red_shift;
+            red_shift_left = 8-visual->red_prec;
+            green_shift_right = visual->green_shift;
+            green_shift_left = 8-visual->green_prec;
+            blue_shift_right = visual->blue_shift;
+            blue_shift_left = 8-visual->blue_prec;
+
+            use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR);
+        }
+        if (GetBitmap())
+        {
+            bpp = 1;
+        }
+
+
+        GdkColormap *cmap = gtk_widget_get_default_colormap();
+
+        long pos = 0;
+        for (int j = 0; j < GetHeight(); j++)
+        {
+            for (int i = 0; i < GetWidth(); i++)

             {
             {

-                if (pixel == 0)
+                wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j );
+                if (bpp == 1)

                 {
                 {

-                    data[pos]   = 0;
-                    data[pos+1] = 0;
-                    data[pos+2] = 0;
+                    if (pixel == 0)
+                    {
+                        data[pos]   = 0;
+                        data[pos+1] = 0;
+                        data[pos+2] = 0;
+                    }
+                    else
+                    {
+                        data[pos]   = 255;
+                        data[pos+1] = 255;
+                        data[pos+2] = 255;
+                    }

                 }
                 }

-                else
+                else if (use_shift)

                 {
                 {

-                    data[pos]   = 255;
-                    data[pos+1] = 255;
-                    data[pos+2] = 255;
+                    data[pos] =   (pixel >> red_shift_right)   << red_shift_left;
+                    data[pos+1] = (pixel >> green_shift_right) << green_shift_left;
+                    data[pos+2] = (pixel >> blue_shift_right)  << blue_shift_left;

                 }
                 }

-            }
-            else if (use_shift)
-            {
-                data[pos] =   (pixel >> red_shift_right)   << red_shift_left;
-                data[pos+1] = (pixel >> green_shift_right) << green_shift_left;
-                data[pos+2] = (pixel >> blue_shift_right)  << blue_shift_left;
-            }
-            else if (cmap->colors)
-            {
-                data[pos] =   cmap->colors[pixel].red   >> 8;
-                data[pos+1] = cmap->colors[pixel].green >> 8;
-                data[pos+2] = cmap->colors[pixel].blue  >> 8;
-            }
-            else
-            {
-                wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );
-            }
-
-            if (gdk_image_mask)
-            {
-                int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
-                if (mask_pixel == 0)
+                else if (cmap->colors)

                 {
                 {

-                    data[pos] = MASK_RED;
-                    data[pos+1] = MASK_GREEN;
-                    data[pos+2] = MASK_BLUE;
+                    data[pos] =   cmap->colors[pixel].red   >> 8;
+                    data[pos+1] = cmap->colors[pixel].green >> 8;
+                    data[pos+2] = cmap->colors[pixel].blue  >> 8;

                 }
                 }

-                else if ( data[pos] == MASK_RED &&
-                            data[pos+1] == MASK_GREEN &&
-                                data[pos+2] == MASK_BLUE )
+                else

                 {
                 {

-                    data[pos+2] = MASK_BLUE_REPLACEMENT;
+                    wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );

                 }
                 }

-            }

 
 

-            pos += 3;
+                if (gdk_image_mask)
+                {
+                    int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
+                    if (mask_pixel == 0)
+                    {
+                        data[pos] = MASK_RED;
+                        data[pos+1] = MASK_GREEN;
+                        data[pos+2] = MASK_BLUE;
+                    }
+                    else if ( data[pos] == MASK_RED &&
+                                data[pos+1] == MASK_GREEN &&
+                                    data[pos+2] == MASK_BLUE )
+                    {
+                        data[pos+2] = MASK_BLUE_REPLACEMENT;
+                    }
+                }
+
+                pos += 3;
+            }

         }
         }

-    }

 
 

-    gdk_image_destroy( gdk_image );
-    if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
+        gdk_image_destroy( gdk_image );
+        if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
+    }

 
     return image;
 }
 
     return image;
 }


@@ -1084,7 +1208,13 @@ bool wxBitmap::operator != ( const wxBitmap& bmp ) const
 
 bool wxBitmap::Ok() const
 {
 
 bool wxBitmap::Ok() const
 {

-    return (m_refData != NULL) && (M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap);
+    return (m_refData != NULL) && 
+           (
+#ifdef __WXGTK20__
+              M_BMPDATA->m_pixbuf ||
+#endif
+              M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap 
+           );

 }
 
 int wxBitmap::GetHeight() const
 }
 
 int wxBitmap::GetHeight() const


@@ -1140,22 +1270,37 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
     wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
     wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
 
     wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
     wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
 

-    if (ret.GetPixmap())
+#ifdef __WXGTK20__
+    if (HasPixbuf())

     {
     {

-        GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
-        gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
-        gdk_gc_destroy( gc );
+        GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+                                           TRUE/*has_alpha*/,
+                                           8, GetWidth(), GetHeight());
+        ret.SetPixbuf(pixbuf);
+        gdk_pixbuf_copy_area(M_BMPDATA->m_pixbuf,
+                             rect.x, rect.y, rect.width, rect.height,
+                             pixbuf, 0, 0);

     }
     else
     }
     else

+#endif // __WXGTK20__

     {
     {

-        GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
-        GdkColor col;
-        col.pixel = 0xFFFFFF;
-        gdk_gc_set_foreground( gc, &col );
-        col.pixel = 0;
-        gdk_gc_set_background( gc, &col );
-        gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
-        gdk_gc_destroy( gc );
+        if (ret.GetPixmap())
+        {
+            GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
+            gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
+            gdk_gc_destroy( gc );
+        }
+        else
+        {
+            GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
+            GdkColor col;
+            col.pixel = 0xFFFFFF;
+            gdk_gc_set_foreground( gc, &col );
+            col.pixel = 0;
+            gdk_gc_set_background( gc, &col );
+            gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
+            gdk_gc_destroy( gc );
+        }

     }
 
     if (GetMask())
     }
 
     if (GetMask())


@@ -1288,12 +1433,69 @@ GdkPixmap *wxBitmap::GetPixmap() const
 {
     wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
 
 {
     wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
 

+#ifdef __WXGTK20__
+    // create the pixmap on the fly if we use Pixbuf representation:
+    if (HasPixbuf() && !HasPixmap())
+    {
+        gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf,
+                                          &M_BMPDATA->m_pixmap,
+                                          NULL /*mask*/,
+                                          128 /*threshold*/);
+    }
+#endif // __WXGTK20__
+

     return M_BMPDATA->m_pixmap;
 }
 
     return M_BMPDATA->m_pixmap;
 }
 

+bool wxBitmap::HasPixmap() const
+{
+    wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+
+    return M_BMPDATA->m_pixmap != NULL;
+}
+

 GdkBitmap *wxBitmap::GetBitmap() const
 {
     wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_bitmap;
 }
 GdkBitmap *wxBitmap::GetBitmap() const
 {
     wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_bitmap;
 }

+
+#ifdef __WXGTK20__
+GdkPixbuf *wxBitmap::GetPixbuf() const
+{
+    wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
+
+    return M_BMPDATA->m_pixbuf;
+}
+
+bool wxBitmap::HasPixbuf() const
+{
+    wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+
+    return M_BMPDATA->m_pixbuf != NULL;
+}
+
+void wxBitmap::SetPixbuf( GdkPixbuf *pixbuf )
+{
+    if (!m_refData)
+        m_refData = new wxBitmapRefData();
+
+    M_BMPDATA->m_pixbuf = pixbuf;
+}
+
+void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep)
+{
+    if (keep == Pixmap && HasPixbuf())
+    {
+        gdk_pixbuf_unref( M_BMPDATA->m_pixbuf );
+        M_BMPDATA->m_pixbuf = NULL;
+    }
+    if (keep == Pixbuf && HasPixmap())
+    {
+        gdk_pixmap_unref( M_BMPDATA->m_pixmap );
+        M_BMPDATA->m_pixmap = NULL;
+    }
+}
+
+#endif // __WXGTK20__

diff --git a/src/gtk/dcclient.cpp b/src/gtk/dcclient.cpp
index 9372246ca327a632f023718c2bd15bfe408e1d5e..0a9ae2ffd810d10538ce676432dc7e8344ccb083 100644 (file)
--- a/src/gtk/dcclient.cpp
+++ b/src/gtk/dcclient.cpp
@@ -1147,7 +1147,21 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
     }
     else
     {
     }
     else
     {

-        gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
+#if GTK_CHECK_VERSION(2,2,0)
+        if (use_bitmap.HasPixbuf())
+        {
+            gdk_draw_pixbuf(m_window, m_penGC,
+                            use_bitmap.GetPixbuf(),
+                            0, 0, xx, yy, -1, -1,
+                            GDK_RGB_DITHER_NORMAL, xx, yy);
+        }
+        else
+#endif
+        {
+            gdk_draw_pixmap(m_window, m_penGC,
+                            use_bitmap.GetPixmap(),
+                            0, 0, xx, yy, -1, -1);
+        }

     }
 
     // remove mask again if any
     }
 
     // remove mask again if any

diff --git a/src/gtk1/bitmap.cpp b/src/gtk1/bitmap.cpp
index 2cb613a8fe911eafe9bedb324b8dd0ddeab70a1b..036f237c89fb7fa44c09690af42dde09fd539d22 100644 (file)
--- a/src/gtk1/bitmap.cpp
+++ b/src/gtk1/bitmap.cpp
@@ -239,6 +239,9 @@ public:
 
     GdkPixmap      *m_pixmap;
     GdkBitmap      *m_bitmap;
 
     GdkPixmap      *m_pixmap;
     GdkBitmap      *m_bitmap;

+#ifdef __WXGTK20__
+    GdkPixbuf      *m_pixbuf;
+#endif

     wxMask         *m_mask;
     int             m_width;
     int             m_height;
     wxMask         *m_mask;
     int             m_width;
     int             m_height;


@@ -250,6 +253,9 @@ wxBitmapRefData::wxBitmapRefData()
 {
     m_pixmap = (GdkPixmap *) NULL;
     m_bitmap = (GdkBitmap *) NULL;
 {
     m_pixmap = (GdkPixmap *) NULL;
     m_bitmap = (GdkBitmap *) NULL;

+#ifdef __WXGTK20__
+    m_pixbuf = (GdkPixbuf *) NULL;
+#endif

     m_mask = (wxMask *) NULL;
     m_width = 0;
     m_height = 0;
     m_mask = (wxMask *) NULL;
     m_width = 0;
     m_height = 0;


@@ -263,6 +269,10 @@ wxBitmapRefData::~wxBitmapRefData()
         gdk_pixmap_unref( m_pixmap );
     if (m_bitmap)
         gdk_bitmap_unref( m_bitmap );
         gdk_pixmap_unref( m_pixmap );
     if (m_bitmap)
         gdk_bitmap_unref( m_bitmap );

+#ifdef __WXGTK20__
+    if (m_pixbuf)
+        gdk_pixbuf_unref( m_pixbuf );
+#endif

     delete m_mask;
     delete m_palette;
 }
     delete m_mask;
     delete m_palette;
 }


@@ -352,136 +362,90 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight,
 
     if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height)
         return *this;
 
     if (newy==M_BMPDATA->m_width && newy==M_BMPDATA->m_height)
         return *this;

-        
-    GdkImage *img = (GdkImage*) NULL;
-    if (GetPixmap())
-        img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() );
-    else if (GetBitmap())
-        img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() );
-    else
-        wxFAIL_MSG( wxT("Ill-formed bitmap") );
-
-    wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") );
-
-    wxBitmap bmp;
-    int bpp = -1;
-
+    

     int width = wxMax(newx, 1);
     int height = wxMax(newy, 1);
     width = wxMin(width, clipwidth);
     height = wxMin(height, clipheight);
     int width = wxMax(newx, 1);
     int height = wxMax(newy, 1);
     width = wxMin(width, clipwidth);
     height = wxMin(height, clipheight);

-    
-    GdkGC *gc = NULL;
-    GdkPixmap *dstpix = NULL;
-    if (GetPixmap())
-    {
-        GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
-        if (visual == NULL)
-            visual = wxTheApp->GetGdkVisual();
-
-        bpp = visual->depth;
-        bmp = wxBitmap(width,height,bpp);
-        dstpix = bmp.GetPixmap();
-        gc = gdk_gc_new( dstpix );
-    }
+        
+    wxBitmap bmp;

 
 

-    char *dst = NULL;
-    long dstbyteperline = 0;
-    
-    if (GetBitmap())
+#ifdef __WXGTK20__
+    if (HasPixbuf())

     {
     {

-        bpp = 1;
-        dstbyteperline = width/8*M_BMPDATA->m_bpp;
-        if (width*M_BMPDATA->m_bpp % 8 != 0)
-            dstbyteperline++;
-        dst = (char*) malloc(dstbyteperline*height);
+        bmp.SetWidth(width);
+        bmp.SetHeight(height);
+        bmp.SetDepth(GetDepth());
+        bmp.SetPixbuf(gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE/*has_alpha*/,
+                                     8, width, height));
+        gdk_pixbuf_scale(M_BMPDATA->m_pixbuf, bmp.GetPixbuf(),
+                         0, 0, width, height,
+                         clipx, clipy, 
+                         (double)newx/GetWidth(), (double)newy/GetHeight(),
+                         GDK_INTERP_BILINEAR);

     }
     }

-             
-    // be careful to use the right scaling factor
-    float scx = (float)M_BMPDATA->m_width/(float)newx;
-    float scy = (float)M_BMPDATA->m_height/(float)newy;
-    // prepare accel-tables
-    int *tablex = (int *)calloc(width,sizeof(int));
-    int *tabley = (int *)calloc(height,sizeof(int));
-
-    // accel table filled with clipped values
-    for (int x = 0; x < width; x++)
-        tablex[x] = (int) (scx * (x+clipx));
-    for (int y = 0; y < height; y++)
-        tabley[y] = (int) (scy * (y+clipy));
-
-    // Main rescaling routine starts here
-    for (int h = 0; h < height; h++)
+    else
+#endif // __WXGTK20__

     {
     {

-        char outbyte = 0;
-        int old_x = -1;
-        guint32 old_pixval = 0;
+        GdkImage *img = (GdkImage*) NULL;
+        if (GetPixmap())
+            img = gdk_image_get( GetPixmap(), 0, 0, GetWidth(), GetHeight() );
+        else if (GetBitmap())
+            img = gdk_image_get( GetBitmap(), 0, 0, GetWidth(), GetHeight() );
+        else
+            wxFAIL_MSG( wxT("Ill-formed bitmap") );
+
+        wxCHECK_MSG( img, wxNullBitmap, wxT("couldn't create image") );

 
 

-        for (int w = 0; w < width; w++)
+        int bpp = -1;
+
+        
+        GdkGC *gc = NULL;
+        GdkPixmap *dstpix = NULL;
+        if (GetPixmap())

         {
         {

-            guint32 pixval;
-            int x = tablex[w];
-            if (x == old_x)
-                pixval = old_pixval;
-            else
-            {
-                pixval = gdk_image_get_pixel( img, x, tabley[h] );
-                old_pixval = pixval;
-                old_x = x;
-            }
-                
-            if (bpp == 1)
-            {
-                if (!pixval)
-                {
-                    char bit=1;
-                    char shift = bit << w % 8;
-                    outbyte |= shift;
-                }
-                
-                if ((w+1)%8==0)
-                {
-                    dst[h*dstbyteperline+w/8] = outbyte;
-                    outbyte = 0;
-                }
-            }
-            else
-            {
-                GdkColor col;
-                col.pixel = pixval;
-                gdk_gc_set_foreground( gc, &col );
-                gdk_draw_point( dstpix, gc, w, h);
-            }
+            GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
+            if (visual == NULL)
+                visual = wxTheApp->GetGdkVisual();
+
+            bpp = visual->depth;
+            bmp = wxBitmap(width,height,bpp);
+            dstpix = bmp.GetPixmap();
+            gc = gdk_gc_new( dstpix );

         }
         }

-    
-        // do not forget the last byte
-        if ((bpp == 1) && (width % 8 != 0))
-            dst[h*dstbyteperline+width/8] = outbyte;
-    }
-    
-    gdk_image_destroy( img );
-    if (gc) gdk_gc_unref( gc );

 
 

-    if (bpp == 1)
-    {
-        bmp = wxBitmap( (const char *)dst, width, height, 1 );
-        free( dst );
-    }
-    
-    if (GetMask())
-    {
-        dstbyteperline = width/8;
-        if (width % 8 != 0)
-            dstbyteperline++;
-        dst = (char*) malloc(dstbyteperline*height);
-        img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() );
+        char *dst = NULL;
+        long dstbyteperline = 0;
+        
+        if (GetBitmap())
+        {
+            bpp = 1;
+            dstbyteperline = width/8*M_BMPDATA->m_bpp;
+            if (width*M_BMPDATA->m_bpp % 8 != 0)
+                dstbyteperline++;
+            dst = (char*) malloc(dstbyteperline*height);
+        }
+                 
+        // be careful to use the right scaling factor
+        float scx = (float)M_BMPDATA->m_width/(float)newx;
+        float scy = (float)M_BMPDATA->m_height/(float)newy;
+        // prepare accel-tables
+        int *tablex = (int *)calloc(width,sizeof(int));
+        int *tabley = (int *)calloc(height,sizeof(int));
+
+        // accel table filled with clipped values
+        for (int x = 0; x < width; x++)
+            tablex[x] = (int) (scx * (x+clipx));
+        for (int y = 0; y < height; y++)
+            tabley[y] = (int) (scy * (y+clipy));

 
 

+        // Main rescaling routine starts here

         for (int h = 0; h < height; h++)
         {
             char outbyte = 0;
             int old_x = -1;
             guint32 old_pixval = 0;
         for (int h = 0; h < height; h++)
         {
             char outbyte = 0;
             int old_x = -1;
             guint32 old_pixval = 0;

-    
+

             for (int w = 0; w < width; w++)
             {
                 guint32 pixval;
             for (int w = 0; w < width; w++)
             {
                 guint32 pixval;


@@ -494,535 +458,695 @@ wxBitmap wxBitmap::Rescale( int clipx, int clipy, int clipwidth, int clipheight,
                     old_pixval = pixval;
                     old_x = x;
                 }
                     old_pixval = pixval;
                     old_x = x;
                 }

-                
-                if (pixval)
+                    
+                if (bpp == 1)

                 {
                 {

-                    char bit=1;
-                    char shift = bit << w % 8;
-                    outbyte |= shift;
+                    if (!pixval)
+                    {
+                        char bit=1;
+                        char shift = bit << w % 8;
+                        outbyte |= shift;
+                    }
+                    
+                    if ((w+1)%8==0)
+                    {
+                        dst[h*dstbyteperline+w/8] = outbyte;
+                        outbyte = 0;
+                    }

                 }
                 }

-                
-                if ((w+1)%8 == 0)
+                else

                 {
                 {

-                    dst[h*dstbyteperline+w/8] = outbyte;
-                    outbyte = 0;
+                    GdkColor col;
+                    col.pixel = pixval;
+                    gdk_gc_set_foreground( gc, &col );
+                    gdk_draw_point( dstpix, gc, w, h);

                 }
             }
         
             // do not forget the last byte
                 }
             }
         
             // do not forget the last byte

-            if (width % 8 != 0)
+            if ((bpp == 1) && (width % 8 != 0))

                 dst[h*dstbyteperline+width/8] = outbyte;
         }
                 dst[h*dstbyteperline+width/8] = outbyte;
         }

-        wxMask* mask = new wxMask;
-        mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height );
-        bmp.SetMask(mask);
-
-        free( dst );
+        

         gdk_image_destroy( img );
         gdk_image_destroy( img );

-    }
+        if (gc) gdk_gc_unref( gc );
+
+        if (bpp == 1)
+        {
+            bmp = wxBitmap( (const char *)dst, width, height, 1 );
+            free( dst );
+        }
+        
+        if (GetMask())
+        {
+            dstbyteperline = width/8;
+            if (width % 8 != 0)
+                dstbyteperline++;
+            dst = (char*) malloc(dstbyteperline*height);
+            img = gdk_image_get( GetMask()->GetBitmap(), 0, 0, GetWidth(), GetHeight() );

 
 

-    free( tablex );
-    free( tabley );
+            for (int h = 0; h < height; h++)
+            {
+                char outbyte = 0;
+                int old_x = -1;
+                guint32 old_pixval = 0;
+        
+                for (int w = 0; w < width; w++)
+                {
+                    guint32 pixval;
+                    int x = tablex[w];
+                    if (x == old_x)
+                        pixval = old_pixval;
+                    else
+                    {
+                        pixval = gdk_image_get_pixel( img, x, tabley[h] );
+                        old_pixval = pixval;
+                        old_x = x;
+                    }
+                    
+                    if (pixval)
+                    {
+                        char bit=1;
+                        char shift = bit << w % 8;
+                        outbyte |= shift;
+                    }
+                    
+                    if ((w+1)%8 == 0)
+                    {
+                        dst[h*dstbyteperline+w/8] = outbyte;
+                        outbyte = 0;
+                    }
+                }
+            
+                // do not forget the last byte
+                if (width % 8 != 0)
+                    dst[h*dstbyteperline+width/8] = outbyte;
+            }
+            wxMask* mask = new wxMask;
+            mask->m_bitmap = gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) dst, width, height );
+            bmp.SetMask(mask);
+
+            free( dst );
+            gdk_image_destroy( img );
+        }
+
+        free( tablex );
+        free( tabley );
+    }

     
     return bmp; 
 }
 
     
     return bmp; 
 }
 

-bool wxBitmap::CreateFromImage( const wxImage& img, int depth )
+bool wxBitmap::CreateFromImage(const wxImage& image, int depth)

 {
     UnRef();
 
 {
     UnRef();
 

-    wxCHECK_MSG( img.Ok(), FALSE, wxT("invalid image") )
+    wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )

     wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") )
 
     wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") )
 

-    // NB: wxGTK doesn't yet support alpha channel in bitmaps. The best we can
-    //     do is to convert alpha channel to mask, if it is present:
-    wxImage image(img);
-    image.ConvertAlphaToMask();
-
-    int width = image.GetWidth();
-    int height = image.GetHeight();
+    if (image.GetWidth() <= 0 || image.GetHeight() <= 0)
+        return false;
+    
+    m_refData = new wxBitmapRefData();

 
 

-    if ( width <= 0 || height <= 0 )
+    if (depth == 1)

     {
     {

-        return false;
+        return CreateFromImageAsBitmap(image);

     }
     }

+    else
+    {
+#ifdef __WXGTK20__
+        if (image.HasAlpha())
+            return CreateFromImageAsPixbuf(image);
+#endif
+        return CreateFromImageAsPixmap(image);
+    }
+}

 
 

-    m_refData = new wxBitmapRefData();
+// conversion to mono bitmap:
+bool wxBitmap::CreateFromImageAsBitmap(const wxImage& img)
+{
+    // convert alpha channel to mask, if it is present:
+    wxImage image(img);
+    image.ConvertAlphaToMask();
+    
+    int width = image.GetWidth();
+    int height = image.GetHeight();

 
     SetHeight( height );
     SetWidth( width );
 
 
     SetHeight( height );
     SetWidth( width );
 

-    // ------
-    // conversion to mono bitmap:
-    // ------
-    if (depth == 1)
-    {
-        SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );
+    SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );

 
 

-        SetDepth( 1 );
+    SetDepth( 1 );

 
 

-        GdkVisual *visual = wxTheApp->GetGdkVisual();
+    GdkVisual *visual = wxTheApp->GetGdkVisual();

 
 

-        // Create picture image
+    // Create picture image

 
 

-        unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
+    unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height );

 
 

-        GdkImage *data_image =
-            gdk_image_new_bitmap( visual, data_data, width, height );
+    GdkImage *data_image =
+        gdk_image_new_bitmap( visual, data_data, width, height );

 
 

-        // Create mask image
+    // Create mask image

 
 

-        GdkImage *mask_image = (GdkImage*) NULL;
+    GdkImage *mask_image = (GdkImage*) NULL;

 
 

-        if (image.HasMask())
-        {
-            unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
+    if (image.HasMask())
+    {
+        unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );

 
 

-            mask_image =  gdk_image_new_bitmap( visual, mask_data, width, height );
+        mask_image =  gdk_image_new_bitmap( visual, mask_data, width, height );

 
 

-            wxMask *mask = new wxMask();
-            mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
+        wxMask *mask = new wxMask();
+        mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );

 
 

-            SetMask( mask );
-        }
+        SetMask( mask );
+    }

 
 

-        int r_mask = image.GetMaskRed();
-        int g_mask = image.GetMaskGreen();
-        int b_mask = image.GetMaskBlue();
+    int r_mask = image.GetMaskRed();
+    int g_mask = image.GetMaskGreen();
+    int b_mask = image.GetMaskBlue();

 
 

-        unsigned char* data = image.GetData();
+    unsigned char* data = image.GetData();

 
 

-        int index = 0;
-        for (int y = 0; y < height; y++)
+    int index = 0;
+    for (int y = 0; y < height; y++)
+    {
+        for (int x = 0; x < width; x++)

         {
         {

-            for (int x = 0; x < width; x++)
+            int r = data[index];
+            index++;
+            int g = data[index];
+            index++;
+            int b = data[index];
+            index++;
+
+            if (image.HasMask())

             {
             {

-                int r = data[index];
-                index++;
-                int g = data[index];
-                index++;
-                int b = data[index];
-                index++;
-
-                if (image.HasMask())
-                {
-                    if ((r == r_mask) && (b == b_mask) && (g == g_mask))
-                        gdk_image_put_pixel( mask_image, x, y, 1 );
-                    else
-                        gdk_image_put_pixel( mask_image, x, y, 0 );
-                }
-
-                if ((r == 255) && (b == 255) && (g == 255))
-                    gdk_image_put_pixel( data_image, x, y, 1 );
+                if ((r == r_mask) && (b == b_mask) && (g == g_mask))
+                    gdk_image_put_pixel( mask_image, x, y, 1 );

                 else
                 else

-                    gdk_image_put_pixel( data_image, x, y, 0 );
+                    gdk_image_put_pixel( mask_image, x, y, 0 );
+            }

 
 

-            } // for
-        }  // for
+            if ((r == 255) && (b == 255) && (g == 255))
+                gdk_image_put_pixel( data_image, x, y, 1 );
+            else
+                gdk_image_put_pixel( data_image, x, y, 0 );

 
 

-        // Blit picture
+        } // for
+    }  // for

 
 

-        GdkGC *data_gc = gdk_gc_new( GetBitmap() );
+    // Blit picture

 
 

-        gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
+    GdkGC *data_gc = gdk_gc_new( GetBitmap() );

 
 

-        gdk_image_destroy( data_image );
-        gdk_gc_unref( data_gc );
+    gdk_draw_image( GetBitmap(), data_gc, data_image, 0, 0, 0, 0, width, height );

 
 

-        // Blit mask
+    gdk_image_destroy( data_image );
+    gdk_gc_unref( data_gc );

 
 

-        if (image.HasMask())
-        {
-            GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
+    // Blit mask

 
 

-            gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
+    if (image.HasMask())
+    {
+        GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );

 
 

-            gdk_image_destroy( mask_image );
-            gdk_gc_unref( mask_gc );
-        }
+        gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
+
+        gdk_image_destroy( mask_image );
+        gdk_gc_unref( mask_gc );

     }
 
     }
 

-    // ------
-    // conversion to colour bitmap:
-    // ------
-    else
-    {
-        SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) );
+    return true;
+}
+    
+// conversion to colour bitmap:
+bool wxBitmap::CreateFromImageAsPixmap(const wxImage& img)
+{
+    // convert alpha channel to mask, if it is present:
+    wxImage image(img);
+    image.ConvertAlphaToMask();
+    
+    int width = image.GetWidth();
+    int height = image.GetHeight();
+
+    SetHeight( height );
+    SetWidth( width );
+
+    SetPixmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, -1 ) );

 
 

-        GdkVisual *visual = wxTheApp->GetGdkVisual();
+    GdkVisual *visual = wxTheApp->GetGdkVisual();

 
 

-        int bpp = visual->depth;
+    int bpp = visual->depth;

 
 

-        SetDepth( bpp );
+    SetDepth( bpp );

 
 

-        if ((bpp == 16) && (visual->red_mask != 0xf800))
-            bpp = 15;
-        else if (bpp < 8)
-            bpp = 8;
+    if ((bpp == 16) && (visual->red_mask != 0xf800))
+        bpp = 15;
+    else if (bpp < 8)
+        bpp = 8;

 
 

-        // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit
-        // visuals are not supported by GDK so we do these ourselves, too.
-        // 15-bit and 16-bit should actually work and 24-bit certainly does.
+    // We handle 8-bit bitmaps ourselves using the colour cube, 12-bit
+    // visuals are not supported by GDK so we do these ourselves, too.
+    // 15-bit and 16-bit should actually work and 24-bit certainly does.

 #ifdef __sgi
 #ifdef __sgi

-        if (!image.HasMask() && (bpp > 16))
+    if (!image.HasMask() && (bpp > 16))

 #else
 #else

-        if (!image.HasMask() && (bpp > 12))
+    if (!image.HasMask() && (bpp > 12))

 #endif
 #endif

-        {
-            static bool s_hasInitialized = FALSE;
+    {
+        static bool s_hasInitialized = FALSE;

 
 

-            if (!s_hasInitialized)
-            {
-                gdk_rgb_init();
-                s_hasInitialized = TRUE;
-            }
+        if (!s_hasInitialized)
+        {
+            gdk_rgb_init();
+            s_hasInitialized = TRUE;
+        }

 
 

-            GdkGC *gc = gdk_gc_new( GetPixmap() );
+        GdkGC *gc = gdk_gc_new( GetPixmap() );

 
 

-            gdk_draw_rgb_image( GetPixmap(),
-                                gc,
-                                0, 0,
-                                width, height,
-                                GDK_RGB_DITHER_NONE,
-                                image.GetData(),
-                                width*3 );
+        gdk_draw_rgb_image( GetPixmap(),
+                            gc,
+                            0, 0,
+                            width, height,
+                            GDK_RGB_DITHER_NONE,
+                            image.GetData(),
+                            width*3 );

 
 

-            gdk_gc_unref( gc );
-            return TRUE;
-        }
+        gdk_gc_unref( gc );
+        return TRUE;
+    }

 
 

-        // Create picture image
+    // Create picture image

 
 

-        GdkImage *data_image =
-            gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height );
+    GdkImage *data_image =
+        gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height );

 
 

-        // Create mask image
+    // Create mask image

 
 

-        GdkImage *mask_image = (GdkImage*) NULL;
+    GdkImage *mask_image = (GdkImage*) NULL;

 
 

-        if (image.HasMask())
-        {
-            unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
+    if (image.HasMask())
+    {
+        unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );

 
 

-            mask_image =  gdk_image_new_bitmap( visual, mask_data, width, height );
+        mask_image =  gdk_image_new_bitmap( visual, mask_data, width, height );

 
 

-            wxMask *mask = new wxMask();
-            mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
+        wxMask *mask = new wxMask();
+        mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );

 
 

-            SetMask( mask );
-        }
+        SetMask( mask );
+    }

 
 

-        // Render
+    // Render

 
 

-        enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
-        byte_order b_o = RGB;
+    enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
+    byte_order b_o = RGB;

 
 

-        if (bpp > 8)
-        {
-            if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask))      b_o = RGB;
-            else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask))  b_o = RBG;
-            else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask))   b_o = BRG;
-            else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
-            else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask))   b_o = GRB;
-            else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask))  b_o = GBR;
-        }
+    if (bpp > 8)
+    {
+        if ((visual->red_mask > visual->green_mask) && (visual->green_mask > visual->blue_mask))      b_o = RGB;
+        else if ((visual->red_mask > visual->blue_mask) && (visual->blue_mask > visual->green_mask))  b_o = RBG;
+        else if ((visual->blue_mask > visual->red_mask) && (visual->red_mask > visual->green_mask))   b_o = BRG;
+        else if ((visual->blue_mask > visual->green_mask) && (visual->green_mask > visual->red_mask)) b_o = BGR;
+        else if ((visual->green_mask > visual->red_mask) && (visual->red_mask > visual->blue_mask))   b_o = GRB;
+        else if ((visual->green_mask > visual->blue_mask) && (visual->blue_mask > visual->red_mask))  b_o = GBR;
+    }

 
 

-        int r_mask = image.GetMaskRed();
-        int g_mask = image.GetMaskGreen();
-        int b_mask = image.GetMaskBlue();
+    int r_mask = image.GetMaskRed();
+    int g_mask = image.GetMaskGreen();
+    int b_mask = image.GetMaskBlue();

 
 

-        unsigned char* data = image.GetData();
+    unsigned char* data = image.GetData();

 
 

-        int index = 0;
-        for (int y = 0; y < height; y++)
+    int index = 0;
+    for (int y = 0; y < height; y++)
+    {
+        for (int x = 0; x < width; x++)

         {
         {

-            for (int x = 0; x < width; x++)
+            int r = data[index];
+            index++;
+            int g = data[index];
+            index++;
+            int b = data[index];
+            index++;
+
+            if (image.HasMask())

             {
             {

-                int r = data[index];
-                index++;
-                int g = data[index];
-                index++;
-                int b = data[index];
-                index++;
-
-                if (image.HasMask())
-                {
-                    if ((r == r_mask) && (b == b_mask) && (g == g_mask))
-                        gdk_image_put_pixel( mask_image, x, y, 1 );
-                    else
-                        gdk_image_put_pixel( mask_image, x, y, 0 );
-                }
+                if ((r == r_mask) && (b == b_mask) && (g == g_mask))
+                    gdk_image_put_pixel( mask_image, x, y, 1 );
+                else
+                    gdk_image_put_pixel( mask_image, x, y, 0 );
+            }

 
 

-                switch (bpp)
+            switch (bpp)
+            {
+                case 8:

                 {
                 {

-                    case 8:
+                    int pixel = -1;
+                    if (wxTheApp->m_colorCube)

                     {
                     {

-                        int pixel = -1;
-                        if (wxTheApp->m_colorCube)
-                        {
-                            pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
-                        }
-                        else
+                        pixel = wxTheApp->m_colorCube[ ((r & 0xf8) << 7) + ((g & 0xf8) << 2) + ((b & 0xf8) >> 3) ];
+                    }
+                    else
+                    {
+                        GdkColormap *cmap = gtk_widget_get_default_colormap();
+                        GdkColor *colors = cmap->colors;
+                        int max = 3 * (65536);
+
+                        for (int i = 0; i < cmap->size; i++)

                         {
                         {

-                            GdkColormap *cmap = gtk_widget_get_default_colormap();
-                            GdkColor *colors = cmap->colors;
-                            int max = 3 * (65536);
-
-                            for (int i = 0; i < cmap->size; i++)
-                            {
-                                int rdiff = (r << 8) - colors[i].red;
-                                int gdiff = (g << 8) - colors[i].green;
-                                int bdiff = (b << 8) - colors[i].blue;
-                                int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
-                                if (sum < max) { pixel = i; max = sum; }
-                            }
+                            int rdiff = (r << 8) - colors[i].red;
+                            int gdiff = (g << 8) - colors[i].green;
+                            int bdiff = (b << 8) - colors[i].blue;
+                            int sum = ABS (rdiff) + ABS (gdiff) + ABS (bdiff);
+                            if (sum < max) { pixel = i; max = sum; }

                         }
                         }

+                    }

 
 

-                        gdk_image_put_pixel( data_image, x, y, pixel );
+                    gdk_image_put_pixel( data_image, x, y, pixel );

 
 

-                        break;
-                    }
-                    case 12:  // SGI only
+                    break;
+                }
+                case 12:  // SGI only
+                {
+                    guint32 pixel = 0;
+                    switch (b_o)

                     {
                     {

-                        guint32 pixel = 0;
-                        switch (b_o)
-                        {
-                            case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
-                            case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
-                            case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
-                            case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
-                            case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
-                            case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;
-                        }
-                        gdk_image_put_pixel( data_image, x, y, pixel );
-                        break;
+                        case RGB: pixel = ((r & 0xf0) << 4) | (g & 0xf0) | ((b & 0xf0) >> 4); break;
+                        case RBG: pixel = ((r & 0xf0) << 4) | (b & 0xf0) | ((g & 0xf0) >> 4); break;
+                        case GRB: pixel = ((g & 0xf0) << 4) | (r & 0xf0) | ((b & 0xf0) >> 4); break;
+                        case GBR: pixel = ((g & 0xf0) << 4) | (b & 0xf0) | ((r & 0xf0) >> 4); break;
+                        case BRG: pixel = ((b & 0xf0) << 4) | (r & 0xf0) | ((g & 0xf0) >> 4); break;
+                        case BGR: pixel = ((b & 0xf0) << 4) | (g & 0xf0) | ((r & 0xf0) >> 4); break;

                     }
                     }

-                    case 15:
+                    gdk_image_put_pixel( data_image, x, y, pixel );
+                    break;
+                }
+                case 15:
+                {
+                    guint32 pixel = 0;
+                    switch (b_o)

                     {
                     {

-                        guint32 pixel = 0;
-                        switch (b_o)
-                        {
-                            case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
-                            case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
-                            case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
-                            case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
-                            case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
-                            case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
-                        }
-                        gdk_image_put_pixel( data_image, x, y, pixel );
-                        break;
+                        case RGB: pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
+                        case RBG: pixel = ((r & 0xf8) << 7) | ((b & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
+                        case GRB: pixel = ((g & 0xf8) << 7) | ((r & 0xf8) << 2) | ((b & 0xf8) >> 3); break;
+                        case GBR: pixel = ((g & 0xf8) << 7) | ((b & 0xf8) << 2) | ((r & 0xf8) >> 3); break;
+                        case BRG: pixel = ((b & 0xf8) << 7) | ((r & 0xf8) << 2) | ((g & 0xf8) >> 3); break;
+                        case BGR: pixel = ((b & 0xf8) << 7) | ((g & 0xf8) << 2) | ((r & 0xf8) >> 3); break;

                     }
                     }

-                    case 16:
+                    gdk_image_put_pixel( data_image, x, y, pixel );
+                    break;
+                }
+                case 16:
+                {
+                    // I actually don't know if for 16-bit displays, it is alway the green
+                    // component or the second component which has 6 bits.
+                    guint32 pixel = 0;
+                    switch (b_o)

                     {
                     {

-                        // I actually don't know if for 16-bit displays, it is alway the green
-                        // component or the second component which has 6 bits.
-                        guint32 pixel = 0;
-                        switch (b_o)
-                        {
-                            case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
-                            case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
-                            case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
-                            case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
-                            case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
-                            case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
-                        }
-                        gdk_image_put_pixel( data_image, x, y, pixel );
-                        break;
+                        case RGB: pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
+                        case RBG: pixel = ((r & 0xf8) << 8) | ((b & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
+                        case GRB: pixel = ((g & 0xf8) << 8) | ((r & 0xfc) << 3) | ((b & 0xf8) >> 3); break;
+                        case GBR: pixel = ((g & 0xf8) << 8) | ((b & 0xfc) << 3) | ((r & 0xf8) >> 3); break;
+                        case BRG: pixel = ((b & 0xf8) << 8) | ((r & 0xfc) << 3) | ((g & 0xf8) >> 3); break;
+                        case BGR: pixel = ((b & 0xf8) << 8) | ((g & 0xfc) << 3) | ((r & 0xf8) >> 3); break;

                     }
                     }

-                    case 32:
-                    case 24:
+                    gdk_image_put_pixel( data_image, x, y, pixel );
+                    break;
+                }
+                case 32:
+                case 24:
+                {
+                    guint32 pixel = 0;
+                    switch (b_o)

                     {
                     {

-                        guint32 pixel = 0;
-                        switch (b_o)
-                        {
-                            case RGB: pixel = (r << 16) | (g << 8) | b; break;
-                            case RBG: pixel = (r << 16) | (b << 8) | g; break;
-                            case BRG: pixel = (b << 16) | (r << 8) | g; break;
-                            case BGR: pixel = (b << 16) | (g << 8) | r; break;
-                            case GRB: pixel = (g << 16) | (r << 8) | b; break;
-                            case GBR: pixel = (g << 16) | (b << 8) | r; break;
-                        }
-                        gdk_image_put_pixel( data_image, x, y, pixel );
+                        case RGB: pixel = (r << 16) | (g << 8) | b; break;
+                        case RBG: pixel = (r << 16) | (b << 8) | g; break;
+                        case BRG: pixel = (b << 16) | (r << 8) | g; break;
+                        case BGR: pixel = (b << 16) | (g << 8) | r; break;
+                        case GRB: pixel = (g << 16) | (r << 8) | b; break;
+                        case GBR: pixel = (g << 16) | (b << 8) | r; break;

                     }
                     }

-                    default: break;
+                    gdk_image_put_pixel( data_image, x, y, pixel );

                 }
                 }

-            } // for
-        }  // for
+                default: break;
+            }
+        } // for
+    }  // for

 
 

-        // Blit picture
+    // Blit picture

 
 

-        GdkGC *data_gc = gdk_gc_new( GetPixmap() );
+    GdkGC *data_gc = gdk_gc_new( GetPixmap() );

 
 

-        gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );
+    gdk_draw_image( GetPixmap(), data_gc, data_image, 0, 0, 0, 0, width, height );

 
 

-        gdk_image_destroy( data_image );
-        gdk_gc_unref( data_gc );
+    gdk_image_destroy( data_image );
+    gdk_gc_unref( data_gc );

 
 

-        // Blit mask
+    // Blit mask

 
 

-        if (image.HasMask())
-        {
-            GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
+    if (image.HasMask())
+    {
+        GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );

 
 

-            gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );
+        gdk_draw_image( GetMask()->GetBitmap(), mask_gc, mask_image, 0, 0, 0, 0, width, height );

 
 

-            gdk_image_destroy( mask_image );
-            gdk_gc_unref( mask_gc );
-        }
+        gdk_image_destroy( mask_image );
+        gdk_gc_unref( mask_gc );

     }
 
     }
 

-    return TRUE;
+    return true;

 }
 
 }
 

-wxImage wxBitmap::ConvertToImage() const
+#ifdef __WXGTK20__
+bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image)

 {
 {

-    // the colour used as transparent one in wxImage and the one it is replaced
-    // with when it really occurs in the bitmap
-    static const int MASK_RED = 1;
-    static const int MASK_GREEN = 2;
-    static const int MASK_BLUE = 3;
-    static const int MASK_BLUE_REPLACEMENT = 2;
+    int width = image.GetWidth();
+    int height = image.GetHeight();

 
 

-    wxImage image;
+    GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+                                       image.HasAlpha(),
+                                       8 /* bits per sample */,
+                                       width, height);
+    if (!pixbuf)
+        return false;

 
 

-    wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+    wxASSERT( gdk_pixbuf_get_n_channels(pixbuf) == 4 );
+    wxASSERT( gdk_pixbuf_get_width(pixbuf) == width );
+    wxASSERT( gdk_pixbuf_get_height(pixbuf) == height );
+    
+    M_BMPDATA->m_pixbuf = pixbuf;
+    SetHeight(height);
+    SetWidth(width);
+    SetDepth(wxTheApp->GetGdkVisual()->depth);
+ 
+    // Copy the data:
+    unsigned char *in = image.GetData();
+    unsigned char *out = gdk_pixbuf_get_pixels(pixbuf);
+    unsigned char *alpha = image.GetAlpha();
+    
+    int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width;

 
 

-    GdkImage *gdk_image = (GdkImage*) NULL;
-    if (GetPixmap())
-    {
-        gdk_image = gdk_image_get( GetPixmap(),
-                                   0, 0,
-                                   GetWidth(), GetHeight() );
-    }
-    else if (GetBitmap())
-    {
-        gdk_image = gdk_image_get( GetBitmap(),
-                                   0, 0,
-                                   GetWidth(), GetHeight() );
-    }
-    else
+        
+    for (int y = 0; y < height; y++, out += rowinc)

     {
     {

-        wxFAIL_MSG( wxT("Ill-formed bitmap") );
+        for (int x = 0; x < width; x++, alpha++, out += 4, in += 3)
+        {
+            out[0] = in[0];
+            out[1] = in[1];
+            out[2] = in[2];
+            out[3] = *alpha;
+        }

     }
     }

+    
+    return true;
+}
+#endif // __WXGTK20__

 
 

-    wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") );
+wxImage wxBitmap::ConvertToImage() const
+{
+    wxImage image;

 
 

-    image.Create( GetWidth(), GetHeight() );
-    char unsigned *data = image.GetData();
+    wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+    
+    image.Create(GetWidth(), GetHeight());
+    unsigned char *data = image.GetData();

 
     if (!data)
     {
 
     if (!data)
     {

-        gdk_image_destroy( gdk_image );

         wxFAIL_MSG( wxT("couldn't create image") );
         return wxNullImage;
     }
 
         wxFAIL_MSG( wxT("couldn't create image") );
         return wxNullImage;
     }
 

-    GdkImage *gdk_image_mask = (GdkImage*) NULL;
-    if (GetMask())
+#ifdef __WXGTK20__
+    if (HasPixbuf())

     {
     {

-        gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(),
-                                        0, 0,
-                                        GetWidth(), GetHeight() );
-
-        image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
-    }
+        GdkPixbuf *pixbuf = GetPixbuf();
+        wxASSERT( gdk_pixbuf_get_has_alpha(pixbuf) );
+        
+        int w = GetWidth();
+        int h = GetHeight();
+        
+        image.SetAlpha();

 
 

-    int bpp = -1;
-    int red_shift_right = 0;
-    int green_shift_right = 0;
-    int blue_shift_right = 0;
-    int red_shift_left = 0;
-    int green_shift_left = 0;
-    int blue_shift_left = 0;
-    bool use_shift = FALSE;
+        unsigned char *alpha = image.GetAlpha();
+        unsigned char *in = gdk_pixbuf_get_pixels(pixbuf);
+        unsigned char *out = data;
+        int rowinc = gdk_pixbuf_get_rowstride(pixbuf) - 4 * w;

 
 

-    if (GetPixmap())
-    {
-        GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
-        if (visual == NULL)
-            visual = wxTheApp->GetGdkVisual();
-
-        bpp = visual->depth;
-        if (bpp == 16)
-            bpp = visual->red_prec + visual->green_prec + visual->blue_prec;
-        red_shift_right = visual->red_shift;
-        red_shift_left = 8-visual->red_prec;
-        green_shift_right = visual->green_shift;
-        green_shift_left = 8-visual->green_prec;
-        blue_shift_right = visual->blue_shift;
-        blue_shift_left = 8-visual->blue_prec;
-
-        use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR);
+        for (int y = 0; y < h; y++, in += rowinc)
+        {
+            for (int x = 0; x < w; x++, in += 4, out += 3, alpha++)
+            {
+                out[0] = in[0];
+                out[1] = in[1];
+                out[2] = in[2];
+                *alpha = in[3];
+            }
+        }

     }
     }

-    if (GetBitmap())
+    else
+#endif // __WXGTK20__

     {
     {

-        bpp = 1;
-    }
+        // the colour used as transparent one in wxImage and the one it is
+        // replaced with when it really occurs in the bitmap
+        static const int MASK_RED = 1;
+        static const int MASK_GREEN = 2;
+        static const int MASK_BLUE = 3;
+        static const int MASK_BLUE_REPLACEMENT = 2;

 
 

+        GdkImage *gdk_image = (GdkImage*) NULL;

 
 

-    GdkColormap *cmap = gtk_widget_get_default_colormap();
+        if (HasPixmap())
+        {
+            gdk_image = gdk_image_get( GetPixmap(),
+                                       0, 0,
+                                       GetWidth(), GetHeight() );
+        }
+        else if (GetBitmap())
+        {
+            gdk_image = gdk_image_get( GetBitmap(),
+                                       0, 0,
+                                       GetWidth(), GetHeight() );
+        }
+        else
+        {
+            wxFAIL_MSG( wxT("Ill-formed bitmap") );
+        }

 
 

-    long pos = 0;
-    for (int j = 0; j < GetHeight(); j++)
-    {
-        for (int i = 0; i < GetWidth(); i++)
+        wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") );
+
+        GdkImage *gdk_image_mask = (GdkImage*) NULL;
+        if (GetMask())

         {
         {

-            wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j );
-            if (bpp == 1)
+            gdk_image_mask = gdk_image_get( GetMask()->GetBitmap(),
+                                            0, 0,
+                                            GetWidth(), GetHeight() );
+
+            image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
+        }
+
+        int bpp = -1;
+        int red_shift_right = 0;
+        int green_shift_right = 0;
+        int blue_shift_right = 0;
+        int red_shift_left = 0;
+        int green_shift_left = 0;
+        int blue_shift_left = 0;
+        bool use_shift = FALSE;
+
+        if (GetPixmap())
+        {
+            GdkVisual *visual = gdk_window_get_visual( GetPixmap() );
+            if (visual == NULL)
+                visual = wxTheApp->GetGdkVisual();
+
+            bpp = visual->depth;
+            if (bpp == 16)
+                bpp = visual->red_prec + visual->green_prec + visual->blue_prec;
+            red_shift_right = visual->red_shift;
+            red_shift_left = 8-visual->red_prec;
+            green_shift_right = visual->green_shift;
+            green_shift_left = 8-visual->green_prec;
+            blue_shift_right = visual->blue_shift;
+            blue_shift_left = 8-visual->blue_prec;
+
+            use_shift = (visual->type == GDK_VISUAL_TRUE_COLOR) || (visual->type == GDK_VISUAL_DIRECT_COLOR);
+        }
+        if (GetBitmap())
+        {
+            bpp = 1;
+        }
+
+
+        GdkColormap *cmap = gtk_widget_get_default_colormap();
+
+        long pos = 0;
+        for (int j = 0; j < GetHeight(); j++)
+        {
+            for (int i = 0; i < GetWidth(); i++)

             {
             {

-                if (pixel == 0)
+                wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j );
+                if (bpp == 1)

                 {
                 {

-                    data[pos]   = 0;
-                    data[pos+1] = 0;
-                    data[pos+2] = 0;
+                    if (pixel == 0)
+                    {
+                        data[pos]   = 0;
+                        data[pos+1] = 0;
+                        data[pos+2] = 0;
+                    }
+                    else
+                    {
+                        data[pos]   = 255;
+                        data[pos+1] = 255;
+                        data[pos+2] = 255;
+                    }

                 }
                 }

-                else
+                else if (use_shift)

                 {
                 {

-                    data[pos]   = 255;
-                    data[pos+1] = 255;
-                    data[pos+2] = 255;
+                    data[pos] =   (pixel >> red_shift_right)   << red_shift_left;
+                    data[pos+1] = (pixel >> green_shift_right) << green_shift_left;
+                    data[pos+2] = (pixel >> blue_shift_right)  << blue_shift_left;

                 }
                 }

-            }
-            else if (use_shift)
-            {
-                data[pos] =   (pixel >> red_shift_right)   << red_shift_left;
-                data[pos+1] = (pixel >> green_shift_right) << green_shift_left;
-                data[pos+2] = (pixel >> blue_shift_right)  << blue_shift_left;
-            }
-            else if (cmap->colors)
-            {
-                data[pos] =   cmap->colors[pixel].red   >> 8;
-                data[pos+1] = cmap->colors[pixel].green >> 8;
-                data[pos+2] = cmap->colors[pixel].blue  >> 8;
-            }
-            else
-            {
-                wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );
-            }
-
-            if (gdk_image_mask)
-            {
-                int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
-                if (mask_pixel == 0)
+                else if (cmap->colors)

                 {
                 {

-                    data[pos] = MASK_RED;
-                    data[pos+1] = MASK_GREEN;
-                    data[pos+2] = MASK_BLUE;
+                    data[pos] =   cmap->colors[pixel].red   >> 8;
+                    data[pos+1] = cmap->colors[pixel].green >> 8;
+                    data[pos+2] = cmap->colors[pixel].blue  >> 8;

                 }
                 }

-                else if ( data[pos] == MASK_RED &&
-                            data[pos+1] == MASK_GREEN &&
-                                data[pos+2] == MASK_BLUE )
+                else

                 {
                 {

-                    data[pos+2] = MASK_BLUE_REPLACEMENT;
+                    wxFAIL_MSG( wxT("Image conversion failed. Unknown visual type.") );

                 }
                 }

-            }

 
 

-            pos += 3;
+                if (gdk_image_mask)
+                {
+                    int mask_pixel = gdk_image_get_pixel( gdk_image_mask, i, j );
+                    if (mask_pixel == 0)
+                    {
+                        data[pos] = MASK_RED;
+                        data[pos+1] = MASK_GREEN;
+                        data[pos+2] = MASK_BLUE;
+                    }
+                    else if ( data[pos] == MASK_RED &&
+                                data[pos+1] == MASK_GREEN &&
+                                    data[pos+2] == MASK_BLUE )
+                    {
+                        data[pos+2] = MASK_BLUE_REPLACEMENT;
+                    }
+                }
+
+                pos += 3;
+            }

         }
         }

-    }

 
 

-    gdk_image_destroy( gdk_image );
-    if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
+        gdk_image_destroy( gdk_image );
+        if (gdk_image_mask) gdk_image_destroy( gdk_image_mask );
+    }

 
     return image;
 }
 
     return image;
 }


@@ -1084,7 +1208,13 @@ bool wxBitmap::operator != ( const wxBitmap& bmp ) const
 
 bool wxBitmap::Ok() const
 {
 
 bool wxBitmap::Ok() const
 {

-    return (m_refData != NULL) && (M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap);
+    return (m_refData != NULL) && 
+           (
+#ifdef __WXGTK20__
+              M_BMPDATA->m_pixbuf ||
+#endif
+              M_BMPDATA->m_bitmap || M_BMPDATA->m_pixmap 
+           );

 }
 
 int wxBitmap::GetHeight() const
 }
 
 int wxBitmap::GetHeight() const


@@ -1140,22 +1270,37 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
     wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
     wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
 
     wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
     wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
 

-    if (ret.GetPixmap())
+#ifdef __WXGTK20__
+    if (HasPixbuf())

     {
     {

-        GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
-        gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
-        gdk_gc_destroy( gc );
+        GdkPixbuf *pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB,
+                                           TRUE/*has_alpha*/,
+                                           8, GetWidth(), GetHeight());
+        ret.SetPixbuf(pixbuf);
+        gdk_pixbuf_copy_area(M_BMPDATA->m_pixbuf,
+                             rect.x, rect.y, rect.width, rect.height,
+                             pixbuf, 0, 0);

     }
     else
     }
     else

+#endif // __WXGTK20__

     {
     {

-        GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
-        GdkColor col;
-        col.pixel = 0xFFFFFF;
-        gdk_gc_set_foreground( gc, &col );
-        col.pixel = 0;
-        gdk_gc_set_background( gc, &col );
-        gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
-        gdk_gc_destroy( gc );
+        if (ret.GetPixmap())
+        {
+            GdkGC *gc = gdk_gc_new( ret.GetPixmap() );
+            gdk_draw_pixmap( ret.GetPixmap(), gc, GetPixmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
+            gdk_gc_destroy( gc );
+        }
+        else
+        {
+            GdkGC *gc = gdk_gc_new( ret.GetBitmap() );
+            GdkColor col;
+            col.pixel = 0xFFFFFF;
+            gdk_gc_set_foreground( gc, &col );
+            col.pixel = 0;
+            gdk_gc_set_background( gc, &col );
+            gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
+            gdk_gc_destroy( gc );
+        }

     }
 
     if (GetMask())
     }
 
     if (GetMask())


@@ -1288,12 +1433,69 @@ GdkPixmap *wxBitmap::GetPixmap() const
 {
     wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
 
 {
     wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );
 

+#ifdef __WXGTK20__
+    // create the pixmap on the fly if we use Pixbuf representation:
+    if (HasPixbuf() && !HasPixmap())
+    {
+        gdk_pixbuf_render_pixmap_and_mask(M_BMPDATA->m_pixbuf,
+                                          &M_BMPDATA->m_pixmap,
+                                          NULL /*mask*/,
+                                          128 /*threshold*/);
+    }
+#endif // __WXGTK20__
+

     return M_BMPDATA->m_pixmap;
 }
 
     return M_BMPDATA->m_pixmap;
 }
 

+bool wxBitmap::HasPixmap() const
+{
+    wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+
+    return M_BMPDATA->m_pixmap != NULL;
+}
+

 GdkBitmap *wxBitmap::GetBitmap() const
 {
     wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_bitmap;
 }
 GdkBitmap *wxBitmap::GetBitmap() const
 {
     wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );
 
     return M_BMPDATA->m_bitmap;
 }

+
+#ifdef __WXGTK20__
+GdkPixbuf *wxBitmap::GetPixbuf() const
+{
+    wxCHECK_MSG( Ok(), NULL, wxT("invalid bitmap") );
+
+    return M_BMPDATA->m_pixbuf;
+}
+
+bool wxBitmap::HasPixbuf() const
+{
+    wxCHECK_MSG( Ok(), false, wxT("invalid bitmap") );
+
+    return M_BMPDATA->m_pixbuf != NULL;
+}
+
+void wxBitmap::SetPixbuf( GdkPixbuf *pixbuf )
+{
+    if (!m_refData)
+        m_refData = new wxBitmapRefData();
+
+    M_BMPDATA->m_pixbuf = pixbuf;
+}
+
+void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep)
+{
+    if (keep == Pixmap && HasPixbuf())
+    {
+        gdk_pixbuf_unref( M_BMPDATA->m_pixbuf );
+        M_BMPDATA->m_pixbuf = NULL;
+    }
+    if (keep == Pixbuf && HasPixmap())
+    {
+        gdk_pixmap_unref( M_BMPDATA->m_pixmap );
+        M_BMPDATA->m_pixmap = NULL;
+    }
+}
+
+#endif // __WXGTK20__

diff --git a/src/gtk1/dcclient.cpp b/src/gtk1/dcclient.cpp
index 9372246ca327a632f023718c2bd15bfe408e1d5e..0a9ae2ffd810d10538ce676432dc7e8344ccb083 100644 (file)
--- a/src/gtk1/dcclient.cpp
+++ b/src/gtk1/dcclient.cpp
@@ -1147,7 +1147,21 @@ void wxWindowDC::DoDrawBitmap( const wxBitmap &bitmap,
     }
     else
     {
     }
     else
     {

-        gdk_draw_pixmap( m_window, m_penGC, use_bitmap.GetPixmap(), 0, 0, xx, yy, -1, -1 );
+#if GTK_CHECK_VERSION(2,2,0)
+        if (use_bitmap.HasPixbuf())
+        {
+            gdk_draw_pixbuf(m_window, m_penGC,
+                            use_bitmap.GetPixbuf(),
+                            0, 0, xx, yy, -1, -1,
+                            GDK_RGB_DITHER_NORMAL, xx, yy);
+        }
+        else
+#endif
+        {
+            gdk_draw_pixmap(m_window, m_penGC,
+                            use_bitmap.GetPixmap(),
+                            0, 0, xx, yy, -1, -1);
+        }

     }
 
     // remove mask again if any
     }
 
     // remove mask again if any