Fix broken and missing DataView interface items for Phoenix

[wxWidgets.git] / src / gtk / bitmap.cpp

diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp
index 476a09919fec79fcb657e508e39af4f929508e31..a551b04a284d5572e4883bb6026a99e4c39d97d3 100644 (file)
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -1,587 +1,1491 @@
 /////////////////////////////////////////////////////////////////////////////
 /////////////////////////////////////////////////////////////////////////////

-// Name:        bitmap.cpp
+// Name:        src/gtk/bitmap.cpp

 // Purpose:
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Robert Roebling
 // Purpose:
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
 // Copyright:   (c) 1998 Robert Roebling

-// Licence:    wxWindows licence
+// Licence:     wxWindows licence

 /////////////////////////////////////////////////////////////////////////////
 
 /////////////////////////////////////////////////////////////////////////////
 

-#ifdef __GNUG__
-#pragma implementation "bitmap.h"
-#endif
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"

 
 #include "wx/bitmap.h"
 
 #include "wx/bitmap.h"

-#include "wx/icon.h"
-#include "wx/filefn.h"
-#include "gdk/gdkprivate.h"
-#include "gdk/gdkx.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/icon.h"
+    #include "wx/image.h"
+    #include "wx/colour.h"
+#endif
+
+#include "wx/rawbmp.h"
+
+#include "wx/gtk/private/object.h"
+#include "wx/gtk/private.h"
+
+#include <gtk/gtk.h>
+
+extern GtkWidget *wxGetRootWindow();
+
+#ifndef __WXGTK3__
+static void PixmapToPixbuf(GdkPixmap* pixmap, GdkPixbuf* pixbuf, int w, int h)
+{
+    gdk_pixbuf_get_from_drawable(pixbuf, pixmap, NULL, 0, 0, 0, 0, w, h);
+    if (gdk_drawable_get_depth(pixmap) == 1)
+    {
+        // invert to match XBM convention
+        guchar* p = gdk_pixbuf_get_pixels(pixbuf);
+        const int inc = 3 + int(gdk_pixbuf_get_has_alpha(pixbuf) != 0);
+        const int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - w * inc;
+        for (int y = h; y; y--, p += rowpad)
+            for (int x = w; x; x--, p += inc)
+            {
+                // pixels are either (0,0,0) or (0xff,0xff,0xff)
+                p[0] = ~p[0];
+                p[1] = ~p[1];
+                p[2] = ~p[2];
+            }
+    }
+}
+
+static void MaskToAlpha(GdkPixmap* mask, GdkPixbuf* pixbuf, int w, int h)
+{
+    GdkPixbuf* mask_pixbuf = gdk_pixbuf_get_from_drawable(
+        NULL, mask, NULL, 0, 0, 0, 0, w, h);
+    guchar* p = gdk_pixbuf_get_pixels(pixbuf) + 3;
+    const guchar* mask_data = gdk_pixbuf_get_pixels(mask_pixbuf);
+    const int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - w * 4;
+    const int mask_rowpad = gdk_pixbuf_get_rowstride(mask_pixbuf) - w * 3;
+    for (int y = h; y; y--, p += rowpad, mask_data += mask_rowpad)
+    {
+        for (int x = w; x; x--, p += 4, mask_data += 3)
+        {
+            *p = 255;
+            // no need to test all 3 components,
+            //   pixels are either (0,0,0) or (0xff,0xff,0xff)
+            if (mask_data[0] == 0)
+                *p = 0;
+        }
+    }
+    g_object_unref(mask_pixbuf);
+}
+#endif

 
 //-----------------------------------------------------------------------------
 // wxMask
 //-----------------------------------------------------------------------------
 
 
 //-----------------------------------------------------------------------------
 // wxMask
 //-----------------------------------------------------------------------------
 

-IMPLEMENT_DYNAMIC_CLASS(wxMask,wxObject)
+IMPLEMENT_DYNAMIC_CLASS(wxMask, wxMaskBase)

 
 

-wxMask::wxMask(void)
+wxMask::wxMask()

 {
 {

-    m_bitmap = (GdkBitmap *) NULL;
+    m_bitmap = NULL;

 }
 
 }
 

-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), const wxColour& WXUNUSED(colour) )
+wxMask::wxMask(const wxMask& mask)

 {
 {

+#ifdef __WXGTK3__
+    m_bitmap = NULL;
+    if (mask.m_bitmap)
+    {
+        const int w = cairo_image_surface_get_width(mask.m_bitmap);
+        const int h = cairo_image_surface_get_height(mask.m_bitmap);
+        m_bitmap = cairo_image_surface_create(CAIRO_FORMAT_A8, w, h);
+        const guchar* src = cairo_image_surface_get_data(mask.m_bitmap);
+        guchar* dst = cairo_image_surface_get_data(m_bitmap);
+        const int stride = cairo_image_surface_get_stride(m_bitmap);
+        wxASSERT(stride == cairo_image_surface_get_stride(mask.m_bitmap));
+        memcpy(dst, src, stride * h);
+        cairo_surface_mark_dirty(m_bitmap);
+    }
+#else
+    if ( !mask.m_bitmap )
+    {
+        m_bitmap = NULL;
+        return;
+    }
+
+    // create a copy of an existing mask
+    gint w, h;
+    gdk_drawable_get_size(mask.m_bitmap, &w, &h);
+    m_bitmap = gdk_pixmap_new(mask.m_bitmap, w, h, 1);
+
+    wxGtkObject<GdkGC> gc(gdk_gc_new(m_bitmap));
+    gdk_draw_drawable(m_bitmap, gc, mask.m_bitmap, 0, 0, 0, 0, -1, -1);
+#endif

 }
 
 }
 

-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex) )
+wxMask::wxMask( const wxBitmap& bitmap, const wxColour& colour )
+{
+    m_bitmap = NULL;
+    InitFromColour(bitmap, colour);
+}
+
+#if wxUSE_PALETTE
+wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )
+{
+    m_bitmap = NULL;
+    Create( bitmap, paletteIndex );
+}
+#endif // wxUSE_PALETTE
+
+wxMask::wxMask( const wxBitmap& bitmap )
+{
+    m_bitmap = NULL;
+    InitFromMonoBitmap(bitmap);
+}
+
+#ifdef __WXGTK3__
+wxMask::wxMask(cairo_surface_t* bitmap)
+#else
+wxMask::wxMask(GdkPixmap* bitmap)
+#endif

 {
 {

+    m_bitmap = bitmap;
+}
+
+wxMask::~wxMask()
+{
+    if (m_bitmap)
+    {
+#ifdef __WXGTK3__
+        cairo_surface_destroy(m_bitmap);
+#else
+        g_object_unref (m_bitmap);
+#endif
+    }
+}
+
+void wxMask::FreeData()
+{
+    if (m_bitmap)
+    {
+#ifdef __WXGTK3__
+        cairo_surface_destroy(m_bitmap);
+#else
+        g_object_unref (m_bitmap);
+#endif
+        m_bitmap = NULL;
+    }

 }
 
 }
 

-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) )
+bool wxMask::InitFromColour(const wxBitmap& bitmap, const wxColour& colour)

 {
 {

+    const int w = bitmap.GetWidth();
+    const int h = bitmap.GetHeight();
+
+#ifdef __WXGTK3__
+    m_bitmap = cairo_image_surface_create(CAIRO_FORMAT_A8, w, h);
+    GdkPixbuf* pixbuf = bitmap.GetPixbufNoMask();
+    const guchar* src = gdk_pixbuf_get_pixels(pixbuf);
+    guchar* dst = cairo_image_surface_get_data(m_bitmap);
+    const int stride_src = gdk_pixbuf_get_rowstride(pixbuf);
+    const int stride_dst = cairo_image_surface_get_stride(m_bitmap);
+    const int src_inc = gdk_pixbuf_get_n_channels(pixbuf);
+    const guchar r = colour.Red();
+    const guchar g = colour.Green();
+    const guchar b = colour.Blue();
+    for (int j = 0; j < h; j++, src += stride_src, dst += stride_dst)
+    {
+        const guchar* s = src;
+        for (int i = 0; i < w; i++, s += src_inc)
+        {
+            dst[i] = 0xff;
+            if (s[0] == r && s[1] == g && s[2] == b)
+                dst[i] = 0;
+        }
+    }
+    cairo_surface_mark_dirty(m_bitmap);
+#else
+    // create mask as XBM format bitmap
+
+    // one bit per pixel, each row starts on a byte boundary
+    const size_t out_size = size_t((w + 7) / 8) * unsigned(h);
+    wxByte* out = new wxByte[out_size];
+    // set bits are unmasked
+    memset(out, 0xff, out_size);
+    unsigned bit_index = 0;
+    if (bitmap.HasPixbuf())
+    {
+        const wxByte r_mask = colour.Red();
+        const wxByte g_mask = colour.Green();
+        const wxByte b_mask = colour.Blue();
+        GdkPixbuf* pixbuf = bitmap.GetPixbuf();
+        const wxByte* in = gdk_pixbuf_get_pixels(pixbuf);
+        const int inc = 3 + int(gdk_pixbuf_get_has_alpha(pixbuf) != 0);
+        const int rowpadding = gdk_pixbuf_get_rowstride(pixbuf) - inc * w;
+        for (int y = 0; y < h; y++, in += rowpadding)
+        {
+            for (int x = 0; x < w; x++, in += inc, bit_index++)
+                if (in[0] == r_mask && in[1] == g_mask && in[2] == b_mask)
+                    out[bit_index >> 3] ^= 1 << (bit_index & 7);
+            // move index to next byte boundary
+            bit_index = (bit_index + 7) & ~7u;
+        }
+    }
+    else
+    {
+        GdkImage* image = gdk_drawable_get_image(bitmap.GetPixmap(), 0, 0, w, h);
+        GdkColormap* colormap = gdk_image_get_colormap(image);
+        guint32 mask_pixel;
+        if (colormap == NULL)
+            // mono bitmap, white is pixel value 0
+            mask_pixel = guint32(colour.Red() != 255 || colour.Green() != 255 || colour.Blue() != 255);
+        else
+        {
+            wxColor c(colour);
+            c.CalcPixel(colormap);
+            mask_pixel = c.GetPixel();
+        }
+        for (int y = 0; y < h; y++)
+        {
+            for (int x = 0; x < w; x++, bit_index++)
+                if (gdk_image_get_pixel(image, x, y) == mask_pixel)
+                    out[bit_index >> 3] ^= 1 << (bit_index & 7);
+            bit_index = (bit_index + 7) & ~7u;
+        }
+        g_object_unref(image);
+    }
+    m_bitmap = gdk_bitmap_create_from_data(wxGetRootWindow()->window, (char*)out, w, h);
+    delete[] out;
+#endif
+    return true;

 }
 
 }
 

-wxMask::~wxMask(void)
+bool wxMask::InitFromMonoBitmap(const wxBitmap& bitmap)

 {
 {

-    if (m_bitmap) gdk_bitmap_unref( m_bitmap );
+    if (!bitmap.IsOk()) return false;
+
+    wxCHECK_MSG( bitmap.GetDepth() == 1, false, wxT("Cannot create mask from colour bitmap") );
+
+#ifdef __WXGTK3__
+    InitFromColour(bitmap, *wxBLACK);
+#else
+    m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
+
+    if (!m_bitmap) return false;
+
+    wxGtkObject<GdkGC> gc(gdk_gc_new( m_bitmap ));
+    gdk_gc_set_function(gc, GDK_COPY_INVERT);
+    gdk_draw_drawable(m_bitmap, gc, bitmap.GetPixmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight());
+#endif
+
+    return true;

 }
 
 }
 

-GdkBitmap *wxMask::GetBitmap(void) const
+#ifdef __WXGTK3__
+cairo_surface_t* wxMask::GetBitmap() const
+#else
+GdkPixmap* wxMask::GetBitmap() const
+#endif

 {
     return m_bitmap;
 }
 {
     return m_bitmap;
 }

-  
+

 //-----------------------------------------------------------------------------
 //-----------------------------------------------------------------------------

-// wxBitmap
+// wxBitmapRefData

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-class wxBitmapRefData: public wxObjectRefData
+class wxBitmapRefData: public wxGDIRefData

 {
 public:
 {
 public:

-  wxBitmapRefData(void);
-  ~wxBitmapRefData(void);
-  
-  GdkPixmap      *m_pixmap;
-  GdkBitmap      *m_bitmap;
-  wxMask         *m_mask;
-  int             m_width;
-  int             m_height;
-  int             m_bpp;
-  wxPalette      *m_palette;
+    wxBitmapRefData(int width, int height, int depth);
+    virtual ~wxBitmapRefData();
+
+    virtual bool IsOk() const;
+
+#ifdef __WXGTK3__
+    GdkPixbuf* m_pixbufMask;
+    GdkPixbuf* m_pixbufNoMask;
+    cairo_surface_t* m_surface;
+#else
+    GdkPixmap      *m_pixmap;
+    GdkPixbuf      *m_pixbuf;
+#endif
+    wxMask         *m_mask;
+    int             m_width;
+    int             m_height;
+    int             m_bpp;
+#ifndef __WXGTK3__
+    bool m_alphaRequested;
+#endif
+
+    // We don't provide a copy ctor as copying m_pixmap and m_pixbuf properly
+    // is expensive and we don't want to do it implicitly (and possibly
+    // accidentally). wxBitmap::CloneGDIRefData() which does need to do it does
+    // it explicitly itself.
+    wxDECLARE_NO_COPY_CLASS(wxBitmapRefData);

 };
 
 };
 

-wxBitmapRefData::wxBitmapRefData(void)
+wxBitmapRefData::wxBitmapRefData(int width, int height, int depth)

 {
 {

-    m_pixmap = (GdkPixmap *) NULL;
-    m_bitmap = (GdkBitmap *) NULL;
-    m_mask = (wxMask *) NULL;
-    m_width = 0;
-    m_height = 0;
-    m_bpp = 0;
-    m_palette = (wxPalette *) NULL;
+#ifdef __WXGTK3__
+    m_pixbufMask = NULL;
+    m_pixbufNoMask = NULL;
+    m_surface = NULL;
+#else
+    m_pixmap = NULL;
+    m_pixbuf = NULL;
+#endif
+    m_mask = NULL;
+    m_width = width;
+    m_height = height;
+    m_bpp = depth;
+#ifdef __WXGTK3__
+    if (m_bpp != 1 && m_bpp != 32)
+        m_bpp = 24;
+#else
+    if (m_bpp < 0)
+        m_bpp = gdk_drawable_get_depth(wxGetRootWindow()->window);
+    m_alphaRequested = depth == 32;
+#endif

 }
 
 }
 

-wxBitmapRefData::~wxBitmapRefData(void)
+wxBitmapRefData::~wxBitmapRefData()

 {
 {

-    if (m_pixmap) gdk_pixmap_unref( m_pixmap );
-    if (m_bitmap) gdk_bitmap_unref( m_bitmap );
-    if (m_mask) delete m_mask;
-    if (m_palette) delete m_palette;
+#ifdef __WXGTK3__
+    if (m_pixbufMask)
+        g_object_unref(m_pixbufMask);
+    if (m_pixbufNoMask)
+        g_object_unref(m_pixbufNoMask);
+    if (m_surface)
+        cairo_surface_destroy(m_surface);
+#else
+    if (m_pixmap)
+        g_object_unref (m_pixmap);
+    if (m_pixbuf)
+        g_object_unref (m_pixbuf);
+#endif
+    delete m_mask;
+}
+
+bool wxBitmapRefData::IsOk() const
+{
+    return m_bpp != 0;

 }
 
 }
 

+//-----------------------------------------------------------------------------
+// wxBitmap

 //-----------------------------------------------------------------------------
 
 //-----------------------------------------------------------------------------
 

-#define M_BMPDATA ((wxBitmapRefData *)m_refData)
+#define M_BMPDATA static_cast<wxBitmapRefData*>(m_refData)

 
 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
 
 
 IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
 

-wxBitmap::wxBitmap(void)
+wxBitmap::wxBitmap(const wxString &filename, wxBitmapType type)

 {
 {

-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+    LoadFile(filename, type);

 }
 }

-  
-wxBitmap::wxBitmap( int width, int height, int depth )
+
+wxBitmap::wxBitmap(const char bits[], int width, int height, int depth)

 {
 {

-    wxCHECK_RET( (width > 0) && (height > 0), "invalid bitmap size" )
-    wxCHECK_RET( (depth > 0) || (depth == -1), "invalid bitmap depth" )
+    wxASSERT(depth == 1);
+    if (width > 0 && height > 0 && depth == 1)
+    {
+        m_refData = new wxBitmapRefData(width, height, 1);
+#ifdef __WXGTK3__
+        GdkPixbuf* pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, false, 8, width, height);
+        M_BMPDATA->m_pixbufNoMask = pixbuf;
+        const char* src = bits;
+        guchar* dst = gdk_pixbuf_get_pixels(pixbuf);
+        const int stride_src = (width + 7) / 8;
+        const int rowinc_dst = gdk_pixbuf_get_rowstride(pixbuf) - 3 * width;
+        for (int j = 0; j < width; j++, src += stride_src, dst += rowinc_dst)
+        {
+            for (int i = 0; i < height; i++)
+            {
+                guchar c = 0xff;
+                if (src[i >> 3] & (1 << (i & 7)))
+                    c = 0;
+                *dst++ = c;
+                *dst++ = c;
+                *dst++ = c;
+            }
+        }
+#else
+        M_BMPDATA->m_pixmap = gdk_bitmap_create_from_data(
+            wxGetRootWindow()->window, bits, width, height);
+#endif
+    }
+}

 
 

-    m_refData = new wxBitmapRefData();
-  
-    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
-  
-    M_BMPDATA->m_mask = (wxMask *) NULL;
-    M_BMPDATA->m_pixmap = gdk_pixmap_new( parent, width, height, depth );
-    M_BMPDATA->m_width = width;
-    M_BMPDATA->m_height = height;
-    M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
-   
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+wxBitmap::wxBitmap(const char* const* bits)
+{
+    wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data"));
+
+#if wxUSE_IMAGE
+    *this = wxBitmap(wxImage(bits));
+#elif defined __WXGTK3__
+    GdkPixbuf* pixbuf = gdk_pixbuf_new_from_xpm_data(const_cast<const char**>(bits));
+    if (pixbuf)
+    {
+        m_refData = new wxBitmapRefData(
+            gdk_pixbuf_get_width(pixbuf), gdk_pixbuf_get_height(pixbuf),
+            gdk_pixbuf_get_n_channels(pixbuf) * 8);
+        M_BMPDATA->m_pixbufNoMask = pixbuf;
+        wxASSERT(M_BMPDATA->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(M_BMPDATA->m_pixbufNoMask));
+    }
+#else
+    GdkBitmap* mask = NULL;
+    GdkPixmap* pixmap = gdk_pixmap_create_from_xpm_d(wxGetRootWindow()->window, &mask, NULL, const_cast<char**>(bits));
+    if (pixmap)
+    {
+        int width, height;
+        gdk_drawable_get_size(pixmap, &width, &height);
+        m_refData = new wxBitmapRefData(width, height, -1);
+        M_BMPDATA->m_pixmap = pixmap;
+        if (mask)
+        {
+            M_BMPDATA->m_mask = new wxMask(mask);
+        }
+    }
+#endif
+}
+
+wxBitmap::wxBitmap(GdkPixbuf* pixbuf)
+{
+    if (pixbuf)
+    {
+        wxBitmapRefData* bmpData = new wxBitmapRefData(
+            gdk_pixbuf_get_width(pixbuf), gdk_pixbuf_get_height(pixbuf),
+            gdk_pixbuf_get_n_channels(pixbuf) * 8);
+        m_refData = bmpData;
+#ifdef __WXGTK3__
+        bmpData->m_pixbufNoMask = pixbuf;
+#else
+        bmpData->m_pixbuf = pixbuf;
+#endif
+    }

 }
 
 }
 

-wxBitmap::wxBitmap( const char **bits )
+wxBitmap::~wxBitmap()

 {
 {

-    wxCHECK_RET( bits != NULL, "invalid bitmap data" )
-  
-    m_refData = new wxBitmapRefData();
+}

 
 

-    GdkBitmap *mask = (GdkBitmap*) NULL;
-    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
-  
-    M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
-    
-    if (mask)
+bool wxBitmap::Create( int width, int height, int depth )
+{
+    UnRef();
+    wxCHECK_MSG(width >= 0 && height >= 0, false, "invalid bitmap size");
+    m_refData = new wxBitmapRefData(width, height, depth);
+    return true;
+}
+
+#ifdef __WXGTK3__
+static void CopyImageData(
+    guchar* dst, int dstChannels, int dstStride,
+    const guchar* src, int srcChannels, int srcStride,
+    int w, int h)
+{
+    if (dstChannels == srcChannels)

     {
     {

-        M_BMPDATA->m_mask = new wxMask();
-        M_BMPDATA->m_mask->m_bitmap = mask;
+        if (dstStride == srcStride)
+            memcpy(dst, src, size_t(dstStride) * h);
+        else
+        {
+            const int stride = dstStride < srcStride ? dstStride : srcStride;
+            for (int j = 0; j < h; j++, src += srcStride, dst += dstStride)
+                memcpy(dst, src, stride);
+        }
+    }
+    else
+    {
+        for (int j = 0; j < h; j++, src += srcStride, dst += dstStride)
+        {
+            guchar* d = dst;
+            const guchar* s = src;
+            if (dstChannels == 4)
+            {
+                for (int i = 0; i < w; i++, d += 4, s += 3)
+                {
+                    d[0] = s[0];
+                    d[1] = s[1];
+                    d[2] = s[2];
+                    d[3] = 0xff;
+                }
+            }
+            else
+            {
+                for (int i = 0; i < w; i++, d += 3, s += 4)
+                {
+                    d[0] = s[0];
+                    d[1] = s[1];
+                    d[2] = s[2];
+                }
+            }
+        }

     }
     }

-  
-    gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
-  
-    M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;  // ?
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);

 }
 }

-  
-wxBitmap::wxBitmap( char **bits )
+#endif
+
+#if wxUSE_IMAGE
+#ifdef __WXGTK3__
+wxBitmap::wxBitmap(const wxImage& image, int depth)

 {
 {

-    wxCHECK_RET( bits != NULL, "invalid bitmap data" )
-  
-    m_refData = new wxBitmapRefData();
+    wxCHECK_RET(image.IsOk(), "invalid image");

 
 

-    GdkBitmap *mask = (GdkBitmap*) NULL;
-    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
-  
-    M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
-    
-    if (mask)
+    const int w = image.GetWidth();
+    const int h = image.GetHeight();
+    const guchar* alpha = image.GetAlpha();
+    if (depth < 0)
+        depth = alpha ? 32 : 24;
+    else if (depth != 1 && depth != 32)
+        depth = 24;
+    wxBitmapRefData* bmpData = new wxBitmapRefData(w, h, depth);
+    m_refData = bmpData;
+    GdkPixbuf* pixbuf_dst = gdk_pixbuf_new(GDK_COLORSPACE_RGB, depth == 32, 8, w, h);
+    bmpData->m_pixbufNoMask = pixbuf_dst;
+    wxASSERT(bmpData->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(bmpData->m_pixbufNoMask));
+    const guchar* src = image.GetData();
+
+    guchar* dst = gdk_pixbuf_get_pixels(pixbuf_dst);
+    const int dstStride = gdk_pixbuf_get_rowstride(pixbuf_dst);
+    CopyImageData(dst, gdk_pixbuf_get_n_channels(pixbuf_dst), dstStride, src, 3, 3 * w, w, h);
+
+    if (depth == 32 && alpha)

     {
     {

-        M_BMPDATA->m_mask = new wxMask();
-        M_BMPDATA->m_mask->m_bitmap = mask;
+        for (int j = 0; j < h; j++, dst += dstStride)
+            for (int i = 0; i < w; i++)
+                dst[i * 4 + 3] = *alpha++;
+    }
+    if (image.HasMask())
+    {
+        const guchar r = image.GetMaskRed();
+        const guchar g = image.GetMaskGreen();
+        const guchar b = image.GetMaskBlue();
+        cairo_surface_t* surface = cairo_image_surface_create(CAIRO_FORMAT_A8, w, h);
+        const int stride = cairo_image_surface_get_stride(surface);
+        dst = cairo_image_surface_get_data(surface);
+        memset(dst, 0xff, stride * h);
+        for (int j = 0; j < h; j++, dst += stride)
+            for (int i = 0; i < w; i++, src += 3)
+                if (src[0] == r && src[1] == g && src[2] == b)
+                    dst[i] = 0;
+        cairo_surface_mark_dirty(surface);
+        bmpData->m_mask = new wxMask(surface);

     }
     }

-  
-    gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
-  
-    M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;  // ?
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);

 }
 }

-  
-wxBitmap::wxBitmap( const wxBitmap& bmp )
+#else
+wxBitmap::wxBitmap(const wxImage& image, int depth)

 {
 {

-    Ref( bmp );
-   
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+    wxCHECK_RET(image.IsOk(), "invalid image");
+
+    if (depth == 32 || (depth == -1 && image.HasAlpha()))
+        CreateFromImageAsPixbuf(image);
+    else
+        // otherwise create pixmap, if alpha is present it will be converted to mask
+        CreateFromImageAsPixmap(image, depth);

 }
 }

-  
-wxBitmap::wxBitmap( const wxBitmap* bmp )
+
+bool wxBitmap::CreateFromImageAsPixmap(const wxImage& image, int depth)

 {
 {

-    if (bmp) Ref( *bmp );
-   
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+    const int w = image.GetWidth();
+    const int h = image.GetHeight();
+    if (depth == 1)
+    {
+        // create XBM format bitmap
+
+        // one bit per pixel, each row starts on a byte boundary
+        const size_t out_size = size_t((w + 7) / 8) * unsigned(h);
+        wxByte* out = new wxByte[out_size];
+        // set bits are black
+        memset(out, 0xff, out_size);
+        const wxByte* in = image.GetData();
+        unsigned bit_index = 0;
+        for (int y = 0; y < h; y++)
+        {
+            for (int x = 0; x < w; x++, in += 3, bit_index++)
+                if (in[0] == 255 && in[1] == 255 && in[2] == 255)
+                    out[bit_index >> 3] ^= 1 << (bit_index & 7);
+            // move index to next byte boundary
+            bit_index = (bit_index + 7) & ~7u;
+        }
+        SetPixmap(gdk_bitmap_create_from_data(wxGetRootWindow()->window, (char*)out, w, h));
+        delete[] out;
+
+        if (!M_BMPDATA)     // SetPixmap may have failed
+            return false;
+    }
+    else
+    {
+        SetPixmap(gdk_pixmap_new(wxGetRootWindow()->window, w, h, depth));
+        if (!M_BMPDATA)
+            return false;
+
+        wxGtkObject<GdkGC> gc(gdk_gc_new(M_BMPDATA->m_pixmap));
+        gdk_draw_rgb_image(
+            M_BMPDATA->m_pixmap, gc,
+            0, 0, w, h,
+            GDK_RGB_DITHER_NONE, image.GetData(), w * 3);
+    }
+
+    const wxByte* alpha = image.GetAlpha();
+    if (alpha != NULL || image.HasMask())
+    {
+        // create mask as XBM format bitmap
+
+        const size_t out_size = size_t((w + 7) / 8) * unsigned(h);
+        wxByte* out = new wxByte[out_size];
+        memset(out, 0xff, out_size);
+        unsigned bit_index = 0;
+        if (alpha != NULL)
+        {
+            for (int y = 0; y < h; y++)
+            {
+                for (int x = 0; x < w; x++, bit_index++)
+                    if (*alpha++ < wxIMAGE_ALPHA_THRESHOLD)
+                        out[bit_index >> 3] ^= 1 << (bit_index & 7);
+                bit_index = (bit_index + 7) & ~7u;
+            }
+        }
+        else
+        {
+            const wxByte r_mask = image.GetMaskRed();
+            const wxByte g_mask = image.GetMaskGreen();
+            const wxByte b_mask = image.GetMaskBlue();
+            const wxByte* in = image.GetData();
+            for (int y = 0; y < h; y++)
+            {
+                for (int x = 0; x < w; x++, in += 3, bit_index++)
+                    if (in[0] == r_mask && in[1] == g_mask && in[2] == b_mask)
+                        out[bit_index >> 3] ^= 1 << (bit_index & 7);
+                bit_index = (bit_index + 7) & ~7u;
+            }
+        }
+        SetMask(new wxMask(gdk_bitmap_create_from_data(M_BMPDATA->m_pixmap, (char*)out, w, h)));
+        delete[] out;
+    }
+    return IsOk();

 }
 
 }
 

-wxBitmap::wxBitmap( const wxString &filename, int type )
+bool wxBitmap::CreateFromImageAsPixbuf(const wxImage& image)

 {
 {

-    LoadFile( filename, type );
-  
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+    int width = image.GetWidth();
+    int height = image.GetHeight();
+
+    Create(width, height, 32);
+    GdkPixbuf* pixbuf = GetPixbuf();
+    if (!pixbuf)
+        return false;
+
+    // Copy the data:
+    const unsigned char* in = image.GetData();
+    unsigned char *out = gdk_pixbuf_get_pixels(pixbuf);
+    unsigned char *alpha = image.GetAlpha();
+
+    int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - 4 * width;
+
+    for (int y = 0; y < height; y++, out += rowpad)
+    {
+        for (int x = 0; x < width; x++, out += 4, in += 3)
+        {
+            out[0] = in[0];
+            out[1] = in[1];
+            out[2] = in[2];
+            if (alpha)
+                out[3] = *alpha++;
+        }
+    }
+
+    return true;

 }
 }

+#endif

 
 

-wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
+wxImage wxBitmap::ConvertToImage() const

 {
 {

-    m_refData = new wxBitmapRefData();
+#ifdef __WXGTK3__
+    wxImage image;
+    wxCHECK_MSG(IsOk(), image, "invalid bitmap");
+    wxBitmapRefData* bmpData = M_BMPDATA;
+    const int w = bmpData->m_width;
+    const int h = bmpData->m_height;
+    image.Create(w, h, false);
+    guchar* dst = image.GetData();
+    GdkPixbuf* pixbuf_src = NULL;
+    if (bmpData->m_pixbufNoMask)
+        pixbuf_src = bmpData->m_pixbufNoMask;
+    else if (bmpData->m_surface)
+    {
+        pixbuf_src = gdk_pixbuf_get_from_surface(bmpData->m_surface, 0, 0, w, h);
+        bmpData->m_pixbufNoMask = pixbuf_src;
+        wxASSERT(bmpData->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(bmpData->m_pixbufNoMask));
+    }
+    if (pixbuf_src)
+    {
+        const guchar* src = gdk_pixbuf_get_pixels(pixbuf_src);
+        const int srcStride = gdk_pixbuf_get_rowstride(pixbuf_src);
+        const int srcChannels = gdk_pixbuf_get_n_channels(pixbuf_src);
+        CopyImageData(dst, 3, 3 * w, src, srcChannels, srcStride, w, h);

 
 

-    M_BMPDATA->m_mask = (wxMask *) NULL;
-    M_BMPDATA->m_bitmap = 
-      gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
-    M_BMPDATA->m_width = width;
-    M_BMPDATA->m_height = height;
-    M_BMPDATA->m_bpp = 1;
+        if (srcChannels == 4)
+        {
+            image.SetAlpha();
+            guchar* alpha = image.GetAlpha();
+            for (int j = 0; j < h; j++, src += srcStride)
+            {
+                const guchar* s = src;
+                for (int i = 0; i < w; i++, s += 4)
+                    *alpha++ = s[3];
+            }
+        }
+    }
+    cairo_surface_t* maskSurf = NULL;
+    if (bmpData->m_mask)
+        maskSurf = bmpData->m_mask->GetBitmap();
+    if (maskSurf)
+    {
+        const guchar r = 1;
+        const guchar g = 2;
+        const guchar b = 3;
+        image.SetMaskColour(r, g, b);
+        wxASSERT(cairo_image_surface_get_format(maskSurf) == CAIRO_FORMAT_A8);
+        const int stride = cairo_image_surface_get_stride(maskSurf);
+        const guchar* src = cairo_image_surface_get_data(maskSurf);
+        for (int j = 0; j < h; j++, src += stride)
+        {
+            for (int i = 0; i < w; i++, dst += 3)
+                if (src[i] == 0)
+                {
+                    dst[0] = r;
+                    dst[1] = g;
+                    dst[2] = b;
+                }
+                else if (dst[0] == r && dst[1] == g && dst[2] == b)
+                    dst[2]--;
+        }
+    }
+#else
+    wxCHECK_MSG( IsOk(), wxNullImage, wxT("invalid bitmap") );
+
+    const int w = GetWidth();
+    const int h = GetHeight();
+    wxImage image(w, h, false);
+    unsigned char *data = image.GetData();
+
+    wxCHECK_MSG(data != NULL, wxNullImage, wxT("couldn't create image") );
+
+    // prefer pixbuf if available, it will preserve alpha and should be quicker
+    if (HasPixbuf())
+    {
+        GdkPixbuf *pixbuf = GetPixbuf();
+        unsigned char* alpha = NULL;
+        if (gdk_pixbuf_get_has_alpha(pixbuf))
+        {
+            image.SetAlpha();
+            alpha = image.GetAlpha();
+        }
+        const unsigned char* in = gdk_pixbuf_get_pixels(pixbuf);
+        unsigned char *out = data;
+        const int inc = 3 + int(alpha != NULL);
+        const int rowpad = gdk_pixbuf_get_rowstride(pixbuf) - inc * w;

 
 

-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+        for (int y = 0; y < h; y++, in += rowpad)
+        {
+            for (int x = 0; x < w; x++, in += inc, out += 3)
+            {
+                out[0] = in[0];
+                out[1] = in[1];
+                out[2] = in[2];
+                if (alpha != NULL)
+                    *alpha++ = in[3];
+            }
+        }
+    }
+    else
+    {
+        GdkPixmap* pixmap = GetPixmap();
+        GdkPixmap* pixmap_invert = NULL;
+        if (GetDepth() == 1)
+        {
+            // mono bitmaps are inverted, i.e. 0 is white
+            pixmap_invert = gdk_pixmap_new(pixmap, w, h, 1);
+            wxGtkObject<GdkGC> gc(gdk_gc_new(pixmap_invert));
+            gdk_gc_set_function(gc, GDK_COPY_INVERT);
+            gdk_draw_drawable(pixmap_invert, gc, pixmap, 0, 0, 0, 0, w, h);
+            pixmap = pixmap_invert;
+        }
+        // create a pixbuf which shares data with the wxImage
+        GdkPixbuf* pixbuf = gdk_pixbuf_new_from_data(
+            data, GDK_COLORSPACE_RGB, false, 8, w, h, 3 * w, NULL, NULL);
+
+        gdk_pixbuf_get_from_drawable(pixbuf, pixmap, NULL, 0, 0, 0, 0, w, h);
+
+        g_object_unref(pixbuf);
+        if (pixmap_invert != NULL)
+            g_object_unref(pixmap_invert);
+    }
+    // convert mask, unless there is already alpha
+    if (GetMask() && !image.HasAlpha())
+    {
+        // we hard code the mask colour for now but we could also make an
+        // effort (and waste time) to choose a colour not present in the
+        // image already to avoid having to fudge the pixels below --
+        // whether it's worth to do it is unclear however
+        const int MASK_RED = 1;
+        const int MASK_GREEN = 2;
+        const int MASK_BLUE = 3;
+        const int MASK_BLUE_REPLACEMENT = 2;
+
+        image.SetMaskColour(MASK_RED, MASK_GREEN, MASK_BLUE);
+        GdkImage* image_mask = gdk_drawable_get_image(GetMask()->GetBitmap(), 0, 0, w, h);
+
+        for (int y = 0; y < h; y++)
+        {
+            for (int x = 0; x < w; x++, data += 3)
+            {
+                if (gdk_image_get_pixel(image_mask, x, y) == 0)
+                {
+                    data[0] = MASK_RED;
+                    data[1] = MASK_GREEN;
+                    data[2] = MASK_BLUE;
+                }
+                else if (data[0] == MASK_RED && data[1] == MASK_GREEN && data[2] == MASK_BLUE)
+                {
+                    // we have to fudge the colour a bit to prevent
+                    // this pixel from appearing transparent
+                    data[2] = MASK_BLUE_REPLACEMENT;
+                }
+            }
+        }
+        g_object_unref(image_mask);
+    }
+#endif
+
+    return image;

 }
 }

-  
-wxBitmap::~wxBitmap(void)
+
+#endif // wxUSE_IMAGE
+
+int wxBitmap::GetHeight() const

 {
 {

-    if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);
+    wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
+
+    return M_BMPDATA->m_height;

 }
 }

-  
-wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
+
+int wxBitmap::GetWidth() const

 {
 {

-    if (*this == bmp) return (*this); 
-    Ref( bmp ); 
-    return *this; 
+    wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
+
+    return M_BMPDATA->m_width;

 }
 }

-  
-bool wxBitmap::operator == ( const wxBitmap& bmp )
+
+int wxBitmap::GetDepth() const

 {
 {

-    return m_refData == bmp.m_refData; 
+    wxCHECK_MSG( IsOk(), -1, wxT("invalid bitmap") );
+
+    return M_BMPDATA->m_bpp;

 }
 }

-  
-bool wxBitmap::operator != ( const wxBitmap& bmp )
+
+wxMask *wxBitmap::GetMask() const

 {
 {

-    return m_refData != bmp.m_refData; 
+    wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
+
+    return M_BMPDATA->m_mask;

 }
 }

-  
-bool wxBitmap::Ok(void) const
+
+void wxBitmap::SetMask( wxMask *mask )

 {
 {

-    return (m_refData != NULL);
+    wxCHECK_RET( IsOk(), wxT("invalid bitmap") );
+
+    AllocExclusive();
+    delete M_BMPDATA->m_mask;
+    M_BMPDATA->m_mask = mask;

 }
 }

-  
-int wxBitmap::GetHeight(void) const
+
+wxBitmap wxBitmap::GetMaskBitmap() const

 {
 {

-    wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
+    wxBitmap bitmap;
+    wxBitmapRefData* bmpData = M_BMPDATA;
+#ifdef __WXGTK3__
+    cairo_surface_t* mask = NULL;
+    if (bmpData && bmpData->m_mask)
+        mask = bmpData->m_mask->GetBitmap();
+    if (mask)
+    {
+        const int w = cairo_image_surface_get_width(mask);
+        const int h = cairo_image_surface_get_height(mask);
+        GdkPixbuf* pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, false, 8, w, h);
+        const guchar* src = cairo_image_surface_get_data(mask);
+        guchar* dst = gdk_pixbuf_get_pixels(pixbuf);
+        const int stride_src = cairo_image_surface_get_stride(mask);
+        const int stride_dst = gdk_pixbuf_get_rowstride(pixbuf);
+        for (int j = 0; j < h; j++, src += stride_src, dst += stride_dst)
+        {
+            guchar* d = dst;
+            for (int i = 0; i < w; i++, d += 3)
+            {
+                d[0] = src[i];
+                d[1] = src[i];
+                d[2] = src[i];
+            }
+        }
+        bitmap = wxBitmap(pixbuf);
+    }
+#else
+    GdkPixmap* mask = NULL;
+    if (bmpData && bmpData->m_mask)
+        mask = bmpData->m_mask->GetBitmap();
+    if (mask)
+    {
+        int w, h;
+        gdk_drawable_get_size(mask, &w, &h);
+        GdkPixbuf* pixbuf = gdk_pixbuf_get_from_drawable(
+            NULL, mask, NULL, 0, 0, 0, 0, w, h);
+        bitmap = wxBitmap(pixbuf);
+    }
+#endif
+    return bitmap;
+}

 
 

-    return M_BMPDATA->m_height;
+bool wxBitmap::CopyFromIcon(const wxIcon& icon)
+{
+    *this = icon;
+    return IsOk();

 }
 
 }
 

-int wxBitmap::GetWidth(void) const
+#ifdef __WXGTK3__
+static cairo_surface_t* GetSubSurface(cairo_surface_t* surface, const wxRect& rect)

 {
 {

-    wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
-  
-    return M_BMPDATA->m_width;
+    cairo_surface_flush(surface);
+    const cairo_format_t format = cairo_image_surface_get_format(surface);
+    int x = rect.x;
+    if (format != CAIRO_FORMAT_A8)
+        x *= 4;
+    cairo_surface_t* subSurface = cairo_image_surface_create(format, rect.width, rect.height);
+    const int srcStride = cairo_image_surface_get_stride(surface);
+    const int dstStride = cairo_image_surface_get_stride(subSurface);
+    const guchar* src = cairo_image_surface_get_data(surface) + rect.y * srcStride + x;
+    guchar* dst = cairo_image_surface_get_data(subSurface);
+    for (int j = 0; j < rect.height; j++, src += srcStride, dst += dstStride)
+        memcpy(dst, src, dstStride);
+    cairo_surface_mark_dirty(subSurface);
+    return subSurface;
+}
+#endif
+
+wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
+{
+    wxBitmap ret;
+
+    wxCHECK_MSG(IsOk(), ret, wxT("invalid bitmap"));
+
+    const int w = rect.width;
+    const int h = rect.height;
+    const wxBitmapRefData* bmpData = M_BMPDATA;
+
+    wxCHECK_MSG(rect.x >= 0 && rect.y >= 0 &&
+                rect.x + w <= bmpData->m_width &&
+                rect.y + h <= bmpData->m_height,
+                ret, wxT("invalid bitmap region"));
+
+    wxBitmapRefData * const newRef = new wxBitmapRefData(w, h, bmpData->m_bpp);
+    ret.m_refData = newRef;
+
+#ifdef __WXGTK3__
+    if (bmpData->m_pixbufNoMask)
+    {
+        GdkPixbuf* pixbuf = gdk_pixbuf_new_subpixbuf(bmpData->m_pixbufNoMask, rect.x, rect.y, w, h);
+        newRef->m_pixbufNoMask = gdk_pixbuf_copy(pixbuf);
+        wxASSERT(newRef->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(newRef->m_pixbufNoMask));
+        g_object_unref(pixbuf);
+    }
+    else if (bmpData->m_surface)
+        newRef->m_surface = GetSubSurface(bmpData->m_surface, rect);
+
+    cairo_surface_t* maskSurf = NULL;
+    if (bmpData->m_mask)
+        maskSurf = bmpData->m_mask->GetBitmap();
+    if (maskSurf)
+    {
+        newRef->m_mask = new wxMask(GetSubSurface(maskSurf, rect));
+    }
+#else
+    if (bmpData->m_pixbuf)
+    {
+        GdkPixbuf* pixbuf =
+            gdk_pixbuf_new_subpixbuf(bmpData->m_pixbuf, rect.x, rect.y, w, h);
+        newRef->m_pixbuf = gdk_pixbuf_copy(pixbuf);
+        g_object_unref(pixbuf);
+    }
+    if (bmpData->m_pixmap)
+    {
+        newRef->m_pixmap = gdk_pixmap_new(bmpData->m_pixmap, w, h, -1);
+        GdkGC* gc = gdk_gc_new(newRef->m_pixmap);
+        gdk_draw_drawable(
+            newRef->m_pixmap, gc, bmpData->m_pixmap, rect.x, rect.y, 0, 0, w, h);
+        g_object_unref(gc);
+    }
+    GdkPixmap* mask = NULL;
+    if (bmpData->m_mask)
+        mask = bmpData->m_mask->GetBitmap();
+    if (mask)
+    {
+        GdkPixmap* sub_mask = gdk_pixmap_new(mask, w, h, 1);
+        newRef->m_mask = new wxMask(sub_mask);
+        GdkGC* gc = gdk_gc_new(sub_mask);
+        gdk_draw_drawable(
+            sub_mask, gc, mask, rect.x, rect.y, 0, 0, w, h);
+        g_object_unref(gc);
+    }
+#endif
+
+    return ret;

 }
 
 }
 

-int wxBitmap::GetDepth(void) const
+bool wxBitmap::SaveFile( const wxString &name, wxBitmapType type, const wxPalette *WXUNUSED(palette) ) const

 {
 {

-    wxCHECK_MSG( Ok(), -1, "invalid bitmap" );
-  
-    return M_BMPDATA->m_bpp;
+    wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") );
+
+#if wxUSE_IMAGE
+    wxImage image = ConvertToImage();
+    if (image.IsOk() && image.SaveFile(name, type))
+        return true;
+#endif
+    const char* type_name = NULL;
+    switch (type)
+    {
+        case wxBITMAP_TYPE_BMP:  type_name = "bmp";  break;
+        case wxBITMAP_TYPE_ICO:  type_name = "ico";  break;
+        case wxBITMAP_TYPE_JPEG: type_name = "jpeg"; break;
+        case wxBITMAP_TYPE_PNG:  type_name = "png";  break;
+        default: break;
+    }
+    return type_name &&
+        gdk_pixbuf_save(GetPixbuf(), wxGTK_CONV_FN(name), type_name, NULL, NULL);
+}
+
+bool wxBitmap::LoadFile( const wxString &name, wxBitmapType type )
+{
+#if wxUSE_IMAGE
+    wxImage image;
+    if (image.LoadFile(name, type) && image.IsOk())
+        *this = wxBitmap(image);
+    else
+#endif
+    {
+        wxUnusedVar(type); // The type is detected automatically by GDK.
+
+        *this = wxBitmap(gdk_pixbuf_new_from_file(wxGTK_CONV_FN(name), NULL));
+    }
+
+    return IsOk();
+}
+
+#if wxUSE_PALETTE
+wxPalette *wxBitmap::GetPalette() const
+{
+    return NULL;

 }
 
 }
 

+void wxBitmap::SetPalette(const wxPalette& WXUNUSED(palette))
+{
+    // TODO
+}
+#endif // wxUSE_PALETTE
+

 void wxBitmap::SetHeight( int height )
 {
 void wxBitmap::SetHeight( int height )
 {

-    if (!Ok()) return;
-  
-    wxFAIL_MSG( "wxBitmap::SetHeight not implemented" );
-  
+    AllocExclusive();

     M_BMPDATA->m_height = height;
 }
 
 void wxBitmap::SetWidth( int width )
 {
     M_BMPDATA->m_height = height;
 }
 
 void wxBitmap::SetWidth( int width )
 {

-    if (!Ok()) return;
-  
-    wxFAIL_MSG( "wxBitmap::SetWidth not implemented" );
-  
+    AllocExclusive();

     M_BMPDATA->m_width = width;
 }
 
 void wxBitmap::SetDepth( int depth )
 {
     M_BMPDATA->m_width = width;
 }
 
 void wxBitmap::SetDepth( int depth )
 {

-    if (!Ok()) return;
-  
-    wxFAIL_MSG( "wxBitmap::SetDepth not implemented" );
-  
+    AllocExclusive();

     M_BMPDATA->m_bpp = depth;
 }
 
     M_BMPDATA->m_bpp = depth;
 }
 

-wxMask *wxBitmap::GetMask(void) const
+#ifndef __WXGTK3__
+void wxBitmap::SetPixmap( GdkPixmap *pixmap )

 {
 {

-    wxCHECK_MSG( Ok(), (wxMask *) NULL, "invalid bitmap" );
-  
-    return M_BMPDATA->m_mask;
+    UnRef();
+
+    if (!pixmap)
+        return;
+
+    int w, h;
+    gdk_drawable_get_size(pixmap, &w, &h);
+    wxBitmapRefData* bmpData = new wxBitmapRefData(w, h, 0);
+    m_refData = bmpData;
+    bmpData->m_pixmap = pixmap;
+    bmpData->m_bpp = gdk_drawable_get_depth(pixmap);

 }
 
 }
 

-void wxBitmap::SetMask( wxMask *mask )
+GdkPixmap *wxBitmap::GetPixmap() const

 {
 {

-    wxCHECK_RET( Ok(), "invalid bitmap" );
-  
-    if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
-  
-    M_BMPDATA->m_mask = mask;
+    wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
+
+    wxBitmapRefData* bmpData = M_BMPDATA;
+    if (bmpData->m_pixmap)
+        return bmpData->m_pixmap;
+
+    if (bmpData->m_pixbuf)
+    {
+        GdkPixmap* pixmap = NULL;
+        GdkPixmap** mask_pixmap = NULL;
+        if (gdk_pixbuf_get_has_alpha(bmpData->m_pixbuf))
+        {
+            // make new mask from alpha
+            mask_pixmap = &pixmap;
+        }
+        gdk_pixbuf_render_pixmap_and_mask(
+            bmpData->m_pixbuf, &bmpData->m_pixmap, mask_pixmap, 128);
+        if (pixmap)
+        {
+            delete bmpData->m_mask;
+            bmpData->m_mask = new wxMask(pixmap);
+        }
+    }
+    else
+    {
+        bmpData->m_pixmap = gdk_pixmap_new(wxGetRootWindow()->window,
+            bmpData->m_width, bmpData->m_height, bmpData->m_bpp == 1 ? 1 : -1);
+    }
+    return bmpData->m_pixmap;
+}
+
+bool wxBitmap::HasPixmap() const
+{
+    wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") );
+
+    return M_BMPDATA->m_pixmap != NULL;
+}
+#endif
+
+#ifdef __WXGTK3__
+GdkPixbuf* wxBitmap::GetPixbufNoMask() const
+{
+    wxCHECK_MSG(IsOk(), NULL, "invalid bitmap");
+
+    wxBitmapRefData* bmpData = M_BMPDATA;
+    GdkPixbuf* pixbuf = bmpData->m_pixbufNoMask;
+    if (pixbuf)
+        return pixbuf;
+
+    const int w = bmpData->m_width;
+    const int h = bmpData->m_height;
+    if (bmpData->m_surface)
+        pixbuf = gdk_pixbuf_get_from_surface(bmpData->m_surface, 0, 0, w, h);
+    else
+        pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, bmpData->m_bpp == 32, 8, w, h);
+    bmpData->m_pixbufNoMask = pixbuf;
+    wxASSERT(bmpData->m_bpp == 32 || !gdk_pixbuf_get_has_alpha(bmpData->m_pixbufNoMask));
+
+    return pixbuf;

 }
 
 }
 

-bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
+// helper to set up a simulated depth 1 surface
+static void SetSourceSurface1(const wxBitmapRefData* bmpData, cairo_t* cr, int x, int y, const wxColour* fg, const wxColour* bg)

 {
 {

-    wxCHECK_MSG( Ok(), FALSE, "invalid bitmap" );
-  
-    if (type == wxBITMAP_TYPE_PNG)
+    GdkPixbuf* pixbuf = gdk_pixbuf_copy(bmpData->m_pixbufNoMask);
+    const int w = bmpData->m_width;
+    const int h = bmpData->m_height;
+    const int stride = gdk_pixbuf_get_rowstride(pixbuf);
+    const int channels = gdk_pixbuf_get_n_channels(pixbuf);
+    guchar* dst = gdk_pixbuf_get_pixels(pixbuf);
+    guchar fg_r = 0, fg_g = 0, fg_b = 0;
+    if (fg && fg->IsOk())
+    {
+        fg_r = fg->Red();
+        fg_g = fg->Green();
+        fg_b = fg->Blue();
+    }
+    guchar bg_r = 255, bg_g = 255, bg_b = 255;
+    if (bg && bg->IsOk())

     {
     {

-        wxImage image = ConvertToImage();
-       if (image.Ok()) return image.SaveFile( name, type );
+        bg_r = bg->Red();
+        bg_g = bg->Green();
+        bg_b = bg->Blue();
+    }
+    for (int j = 0; j < h; j++, dst += stride)
+    {
+        guchar* d = dst;
+        for (int i = 0; i < w; i++, d += channels)
+            if (d[0])
+            {
+                d[0] = bg_r;
+                d[1] = bg_g;
+                d[2] = bg_b;
+            }
+            else
+            {
+                d[0] = fg_r;
+                d[1] = fg_g;
+                d[2] = fg_b;
+            }

     }
     }

-    
-    return FALSE;
+    gdk_cairo_set_source_pixbuf(cr, pixbuf, x, y);
+    g_object_unref(pixbuf);

 }
 
 }
 

-bool wxBitmap::LoadFile( const wxString &name, int type )
+void wxBitmap::SetSourceSurface(cairo_t* cr, int x, int y, const wxColour* fg, const wxColour* bg) const

 {
 {

-    UnRef();
-    
-    if (!wxFileExists(name)) return FALSE;
-  
-    if (type == wxBITMAP_TYPE_XPM)
-    {
-        m_refData = new wxBitmapRefData();
-       
-        GdkBitmap *mask = (GdkBitmap*) NULL;
-        GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
-  
-        M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( parent, &mask, NULL, name );
-    
-        if (mask)
+    wxBitmapRefData* bmpData = M_BMPDATA;
+    if (bmpData->m_surface)
+    {
+        cairo_set_source_surface(cr, bmpData->m_surface, x, y);
+        return;
+    }
+    wxCHECK_RET(bmpData->m_pixbufNoMask, "no bitmap data");
+    if (bmpData->m_bpp == 1)
+        SetSourceSurface1(bmpData, cr, x, y, fg, bg);
+    else
+    {
+        gdk_cairo_set_source_pixbuf(cr, bmpData->m_pixbufNoMask, x, y);
+        cairo_pattern_get_surface(cairo_get_source(cr), &bmpData->m_surface);
+        cairo_surface_reference(bmpData->m_surface);
+    }
+}
+
+cairo_t* wxBitmap::CairoCreate() const
+{
+    wxCHECK_MSG(IsOk(), NULL, "invalid bitmap");
+
+    wxBitmapRefData* bmpData = M_BMPDATA;
+    cairo_t* cr;
+    if (bmpData->m_surface)
+        cr = cairo_create(bmpData->m_surface);
+    else
+    {
+        GdkPixbuf* pixbuf = bmpData->m_pixbufNoMask;
+        const bool useAlpha = bmpData->m_bpp == 32 || (pixbuf && gdk_pixbuf_get_has_alpha(pixbuf));
+        bmpData->m_surface = cairo_image_surface_create(
+            useAlpha ? CAIRO_FORMAT_ARGB32 : CAIRO_FORMAT_RGB24,
+            bmpData->m_width, bmpData->m_height);
+        cr = cairo_create(bmpData->m_surface);
+        if (pixbuf)

         {
         {

-           M_BMPDATA->m_mask = new wxMask();
-           M_BMPDATA->m_mask->m_bitmap = mask;
+            gdk_cairo_set_source_pixbuf(cr, pixbuf, 0, 0);
+            cairo_paint(cr);
+            cairo_set_source_rgb(cr, 0, 0, 0);

         }
         }

-  
-        gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
-        M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth; 

     }
     }

-    else if (type == wxBITMAP_TYPE_PNG)
+    if (bmpData->m_pixbufNoMask)

     {
     {

-        wxImage image;
-        image.LoadFile( name, type );
-        if (image.Ok()) *this = wxBitmap( image );
+        g_object_unref(bmpData->m_pixbufNoMask);
+        bmpData->m_pixbufNoMask = NULL;

     }
     }

-    else if (type == wxBITMAP_TYPE_BMP)
+    if (bmpData->m_pixbufMask)

     {
     {

-        wxImage image;
-        image.LoadFile( name, type );
-        if (image.Ok()) *this = wxBitmap( image );
+        g_object_unref(bmpData->m_pixbufMask);
+        bmpData->m_pixbufMask = NULL;

     }
     }

-    else 
-        return FALSE;
-    
-    return TRUE;
-}
-        
-wxPalette *wxBitmap::GetPalette(void) const
-{
-    if (!Ok()) return (wxPalette *) NULL;
-    
-    return M_BMPDATA->m_palette;
+    wxASSERT(cr && cairo_status(cr) == 0);
+    return cr;

 }
 
 }
 

-GdkPixmap *wxBitmap::GetPixmap(void) const
+void wxBitmap::Draw(cairo_t* cr, int x, int y, bool useMask, const wxColour* fg, const wxColour* bg) const

 {
 {

-    wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, "invalid bitmap" );
-  
-    return M_BMPDATA->m_pixmap;
+    wxCHECK_RET(IsOk(), "invalid bitmap");
+
+    wxBitmapRefData* bmpData = M_BMPDATA;
+    SetSourceSurface(cr, x, y, fg, bg);
+    cairo_pattern_set_filter(cairo_get_source(cr), CAIRO_FILTER_NEAREST);
+    cairo_surface_t* mask = NULL;
+    if (useMask && bmpData->m_mask)
+        mask = bmpData->m_mask->GetBitmap();
+    if (mask)
+        cairo_mask_surface(cr, mask, x, y);
+    else
+        cairo_paint(cr);

 }
 }

-  
-GdkBitmap *wxBitmap::GetBitmap(void) const
+#endif
+
+GdkPixbuf *wxBitmap::GetPixbuf() const

 {
 {

-    wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, "invalid bitmap" );
-  
-    return M_BMPDATA->m_bitmap;
+    wxCHECK_MSG( IsOk(), NULL, wxT("invalid bitmap") );
+
+    wxBitmapRefData* bmpData = M_BMPDATA;
+#ifdef __WXGTK3__
+    if (bmpData->m_pixbufMask)
+        return bmpData->m_pixbufMask;
+
+    if (bmpData->m_pixbufNoMask == NULL)
+        GetPixbufNoMask();
+    cairo_surface_t* mask = NULL;
+    if (bmpData->m_mask)
+        mask = bmpData->m_mask->GetBitmap();
+    if (mask == NULL)
+        return bmpData->m_pixbufNoMask;
+
+    const int w = bmpData->m_width;
+    const int h = bmpData->m_height;
+    bmpData->m_pixbufMask = gdk_pixbuf_new(GDK_COLORSPACE_RGB, true, 8, w, h);
+
+    guchar* dst = gdk_pixbuf_get_pixels(bmpData->m_pixbufMask);
+    const int dstStride = gdk_pixbuf_get_rowstride(bmpData->m_pixbufMask);
+    CopyImageData(dst, 4, dstStride,
+        gdk_pixbuf_get_pixels(bmpData->m_pixbufNoMask),
+        gdk_pixbuf_get_n_channels(bmpData->m_pixbufNoMask),
+        gdk_pixbuf_get_rowstride(bmpData->m_pixbufNoMask),
+        w, h);
+
+    const guchar* src = cairo_image_surface_get_data(mask);
+    const int srcStride = cairo_image_surface_get_stride(mask);
+    for (int j = 0; j < h; j++, src += srcStride, dst += dstStride)
+        for (int i = 0; i < w; i++)
+            if (src[i] == 0)
+                dst[i * 4 + 3] = 0;
+
+    return bmpData->m_pixbufMask;
+#else
+    if (bmpData->m_pixbuf)
+        return bmpData->m_pixbuf;
+
+    const int w = bmpData->m_width;
+    const int h = bmpData->m_height;
+    GdkPixmap* mask = NULL;
+    if (bmpData->m_mask)
+        mask = bmpData->m_mask->GetBitmap();
+    const bool useAlpha = bmpData->m_alphaRequested || mask;
+    bmpData->m_pixbuf = gdk_pixbuf_new(GDK_COLORSPACE_RGB, useAlpha, 8, w, h);
+    if (bmpData->m_pixmap)
+        PixmapToPixbuf(bmpData->m_pixmap, bmpData->m_pixbuf, w, h);
+    if (mask)
+        MaskToAlpha(mask, bmpData->m_pixbuf, w, h);
+    return bmpData->m_pixbuf;
+#endif

 }
 }

-  
-wxBitmap::wxBitmap( const wxImage &image )
+
+#ifndef __WXGTK3__
+bool wxBitmap::HasPixbuf() const

 {
 {

-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
-  
-    if (!image.Ok()) return;
+    wxCHECK_MSG( IsOk(), false, wxT("invalid bitmap") );

 
 

-    m_refData = new wxBitmapRefData();
+    return M_BMPDATA->m_pixbuf != NULL;
+}

 
 

-    M_BMPDATA->m_height = image.GetHeight();
-    M_BMPDATA->m_width = image.GetWidth();
-    int width = image.GetWidth();
-    int height = image.GetHeight();
-  
-    // Create picture
-  
-    GdkImage *data_image = 
-      gdk_image_new( GDK_IMAGE_FASTEST, gdk_visual_get_system(), width, height );
-  
-    M_BMPDATA->m_pixmap = 
-      gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, -1 );
-
-    // Create mask
-  
-    GdkImage *mask_image = (GdkImage*) NULL;
-  
-    if (image.HasMask())
+void wxBitmap::PurgeOtherRepresentations(wxBitmap::Representation keep)
+{
+    if (keep == Pixmap && HasPixbuf())

     {
     {

-        unsigned char *mask_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
-  
-        mask_image =  gdk_image_new_bitmap( gdk_visual_get_system(), mask_data, width, height );
-  
-        M_BMPDATA->m_mask = new wxMask();
-        M_BMPDATA->m_mask->m_bitmap = gdk_pixmap_new( (GdkWindow*)&gdk_root_parent, width, height, 1 );
-    }
-  
-    // Retrieve depth  
-  
-    GdkVisual *visual = gdk_window_get_visual( M_BMPDATA->m_pixmap );
-    if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
-    int bpp = visual->depth;
-    if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
-    if (bpp < 8) bpp = 8;
-    
-    // Render
-
-    enum byte_order { RGB, RBG, BRG, BGR, GRB, GBR };
-    byte_order b_o = RGB;
-  
-    if (bpp >= 24)
-    {
-        GdkVisual *visual = gdk_visual_get_system();
-        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 = RGB;
-        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();
-  
-    unsigned char* data = image.GetData();
-  
-    int index = 0;
-    for (int y = 0; y < height; y++)
-    {
-        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())
-           {
-               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)
-           {
-               case 8:
-               {
-                   GdkColormap *cmap = gtk_widget_get_default_colormap();
-                    GdkColor *colors = cmap->colors;
-                    int max = 3 * (65536);
-                    int index = -1;
-
-                    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) { index = i; max = sum; }
-                    }
-           
-                   gdk_image_put_pixel( data_image, x, y, index );
-           
-                   break;
-               }
-               case 15:
-               {
-                   guint32 pixel = ((r & 0xf8) << 7) | ((g & 0xf8) << 2) | ((b & 0xf8) >> 3);
-                   gdk_image_put_pixel( data_image, x, y, pixel );
-                   break;
-               }
-               case 16:
-               {
-                   guint32 pixel = ((r & 0xf8) << 8) | ((g & 0xfc) << 3) | ((b & 0xf8) >> 3);
-                   gdk_image_put_pixel( data_image, x, y, pixel );
-                   break;
-               }
-               case 32:
-               case 24:
-               {
-                   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 );
-               }
-               default: break;
-           }
-        } // for
-    }  // for
-        
-    // Blit picture
-  
-    GdkGC *data_gc = gdk_gc_new( M_BMPDATA->m_pixmap );
-  
-    gdk_draw_image( M_BMPDATA->m_pixmap, data_gc, data_image, 0, 0, 0, 0, width, height );
-  
-    gdk_image_destroy( data_image );
-    gdk_gc_unref( data_gc );
-  
-    // Blit mask
-  
-    if (image.HasMask())
+        g_object_unref (M_BMPDATA->m_pixbuf);
+        M_BMPDATA->m_pixbuf = NULL;
+    }
+    if (keep == Pixbuf && HasPixmap())

     {
     {

-        GdkGC *mask_gc = gdk_gc_new( M_BMPDATA->m_mask->m_bitmap );
-  
-        gdk_draw_image( M_BMPDATA->m_mask->m_bitmap, mask_gc, mask_image, 0, 0, 0, 0, width, height );
-  
-        gdk_image_destroy( mask_image );
-        gdk_gc_unref( mask_gc );
+        g_object_unref (M_BMPDATA->m_pixmap);
+        M_BMPDATA->m_pixmap = NULL;

     }
 }
     }
 }

+#endif

 
 

-wxImage wxBitmap::ConvertToImage() const
+#ifdef wxHAS_RAW_BITMAP
+void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)

 {
 {

-    wxImage image;
-
-    wxCHECK_MSG( Ok(), image, "invalid bitmap" );
-  
-    GdkImage *gdk_image = gdk_image_get( M_BMPDATA->m_pixmap, 0, 0, M_BMPDATA->m_width, M_BMPDATA->m_height );
-  
-    if (!gdk_image) return image;
-  
-    image.Create( M_BMPDATA->m_width, M_BMPDATA->m_height );
-    char unsigned *data = image.GetData();
-
-    GdkVisual *visual = gdk_window_get_visual( M_BMPDATA->m_pixmap );
-    if (visual == NULL) visual = gdk_window_get_visual( (GdkWindow*) &gdk_root_parent );
-    int bpp = visual->depth;
-    if ((bpp == 16) && (visual->red_mask != 0xf800)) bpp = 15;
-
-    GdkColormap *cmap = gtk_widget_get_default_colormap();
-  
-    long pos = 0;
-    for (int j = 0; j < M_BMPDATA->m_height; j++)
-    {
-        for (int i = 0; i < M_BMPDATA->m_width; i++)
+    void* bits = NULL;
+#ifdef __WXGTK3__
+    GdkPixbuf* pixbuf = GetPixbufNoMask();
+    if ((bpp == 32) == (gdk_pixbuf_get_has_alpha(pixbuf) != 0))
+    {
+        bits = gdk_pixbuf_get_pixels(pixbuf);
+        wxBitmapRefData* bmpData = M_BMPDATA;
+        data.m_width = bmpData->m_width;
+        data.m_height = bmpData->m_height;
+        data.m_stride = gdk_pixbuf_get_rowstride(pixbuf);
+        if (bmpData->m_pixbufMask)

         {
         {

-            int pixel = gdk_image_get_pixel( gdk_image, i, j );
-            if (bpp <= 8)
-            {
-                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 (bpp == 15)
-            {
-                data[pos] = (pixel >> 7) & 0xf8;
-                data[pos+1] = (pixel >> 2) & 0xf8;
-                data[pos+2] = (pixel << 3) & 0xf8;
-            } else if (bpp == 16)
-            {
-                data[pos] = (pixel >> 8) & 0xf8;
-                data[pos+1] = (pixel >> 3) & 0xfc;
-                data[pos+2] = (pixel << 3) & 0xf8;
-            } else
-            {
-                data[pos] = (pixel >> 16) & 0xff;
-                data[pos+1] = (pixel >> 8) & 0xff;
-                data[pos+2] = pixel & 0xff;
-            }
-      
-            pos += 3;
+            g_object_unref(bmpData->m_pixbufMask);
+            bmpData->m_pixbufMask = NULL;
+        }
+        if (bmpData->m_surface)
+        {
+            cairo_surface_destroy(bmpData->m_surface);
+            bmpData->m_surface = NULL;

         }
     }
         }
     }

-  
-    gdk_image_destroy( gdk_image );
-  
-    return image;
+#else
+    GdkPixbuf *pixbuf = GetPixbuf();
+    const bool hasAlpha = HasAlpha();
+
+    // allow access if bpp is valid and matches existence of alpha
+    if ( pixbuf && ((bpp == 24 && !hasAlpha) || (bpp == 32 && hasAlpha)) )
+    {
+        data.m_height = gdk_pixbuf_get_height( pixbuf );
+        data.m_width = gdk_pixbuf_get_width( pixbuf );
+        data.m_stride = gdk_pixbuf_get_rowstride( pixbuf );
+        bits = gdk_pixbuf_get_pixels(pixbuf);
+    }
+#endif
+    return bits;

 }
 
 }
 

+void wxBitmap::UngetRawData(wxPixelDataBase& WXUNUSED(data))
+{
+}
+#endif // wxHAS_RAW_BITMAP

 
 

+bool wxBitmap::HasAlpha() const
+{
+    const wxBitmapRefData* bmpData = M_BMPDATA;
+#ifdef __WXGTK3__
+    return bmpData && bmpData->m_bpp == 32;
+#else
+    return bmpData && (bmpData->m_alphaRequested ||
+        (bmpData->m_pixbuf && gdk_pixbuf_get_has_alpha(bmpData->m_pixbuf)));
+#endif
+}

 
 

+wxGDIRefData* wxBitmap::CreateGDIRefData() const
+{
+    return new wxBitmapRefData(0, 0, 0);
+}
+
+wxGDIRefData* wxBitmap::CloneGDIRefData(const wxGDIRefData* data) const
+{
+    const wxBitmapRefData* oldRef = static_cast<const wxBitmapRefData*>(data);
+    wxBitmapRefData * const newRef = new wxBitmapRefData(oldRef->m_width,
+                                                         oldRef->m_height,
+                                                         oldRef->m_bpp);
+#ifdef __WXGTK3__
+    if (oldRef->m_pixbufNoMask)
+        newRef->m_pixbufNoMask = gdk_pixbuf_copy(oldRef->m_pixbufNoMask);
+    if (oldRef->m_surface)
+    {
+        const int w = oldRef->m_width;
+        const int h = oldRef->m_height;
+        cairo_surface_t* surface = cairo_image_surface_create(
+            cairo_image_surface_get_format(oldRef->m_surface), w, h);
+        newRef->m_surface = surface;
+        cairo_surface_flush(oldRef->m_surface);
+        const guchar* src = cairo_image_surface_get_data(oldRef->m_surface);
+        guchar* dst = cairo_image_surface_get_data(surface);
+        const int stride = cairo_image_surface_get_stride(surface);
+        wxASSERT(stride == cairo_image_surface_get_stride(oldRef->m_surface));
+        memcpy(dst, src, stride * h);
+        cairo_surface_mark_dirty(surface);
+    }
+#else
+    if (oldRef->m_pixmap != NULL)
+    {
+        newRef->m_pixmap = gdk_pixmap_new(
+            oldRef->m_pixmap, oldRef->m_width, oldRef->m_height,
+            // use pixmap depth, m_bpp may not match
+            gdk_drawable_get_depth(oldRef->m_pixmap));
+        wxGtkObject<GdkGC> gc(gdk_gc_new(newRef->m_pixmap));
+        gdk_draw_drawable(
+            newRef->m_pixmap, gc, oldRef->m_pixmap, 0, 0, 0, 0, -1, -1);
+    }
+    if (oldRef->m_pixbuf != NULL)
+    {
+        newRef->m_pixbuf = gdk_pixbuf_copy(oldRef->m_pixbuf);
+    }
+#endif
+    if (oldRef->m_mask != NULL)
+    {
+        newRef->m_mask = new wxMask(*oldRef->m_mask);
+    }
+
+    return newRef;
+}
+
+/* static */ void wxBitmap::InitStandardHandlers()
+{
+    // TODO: Insert handler based on GdkPixbufs handler later
+}