fixed libtiff build

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

diff --git a/src/gtk/bitmap.cpp b/src/gtk/bitmap.cpp
index 0a2da3f4e9e9f314dcb908692e928e2f9d66d120..a7e059c40c8bef06ca3960270feaa5485d3506b4 100644 (file)
--- a/src/gtk/bitmap.cpp
+++ b/src/gtk/bitmap.cpp
@@ -11,14 +11,46 @@
 #pragma implementation "bitmap.h"
 #endif
 
 #pragma implementation "bitmap.h"
 #endif
 

+#include "wx/defs.h"
+
+#include "wx/palette.h"

 #include "wx/bitmap.h"
 #include "wx/icon.h"
 #include "wx/filefn.h"
 #include "wx/image.h"
 #include "wx/bitmap.h"
 #include "wx/icon.h"
 #include "wx/filefn.h"
 #include "wx/image.h"

+#include "wx/dcmemory.h"
+#include "wx/app.h"
+
+#ifdef __WXGTK20__
+    // need this to get gdk_image_new_bitmap()
+    #define GDK_ENABLE_BROKEN
+#endif
+
+#include <gdk/gdk.h>
+#include <gtk/gtk.h>
+#include <gdk/gdkx.h>
+
+#ifdef __WXGTK20__
+    #include <gdk/gdkimage.h>
+#else // GTK+ 1.2
+    #include <gdk/gdkrgb.h>
+#endif // GTK+ 2.0/1.2
+
+extern void gdk_wx_draw_bitmap     (GdkDrawable  *drawable,
+                          GdkGC               *gc,
+                          GdkDrawable  *src,
+                          gint                xsrc,
+                          gint                ysrc,
+                          gint                xdest,
+                          gint                ydest,
+                          gint                width,
+                          gint                height);
+
+//-----------------------------------------------------------------------------
+// data
+//-----------------------------------------------------------------------------

 
 

-#include "gdk/gdk.h"
-#include "gdk/gdkprivate.h"
-#include "gdk/gdkx.h"
+extern GtkWidget *wxGetRootWindow();

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


@@ -31,24 +63,161 @@ wxMask::wxMask()
     m_bitmap = (GdkBitmap *) NULL;
 }
 
     m_bitmap = (GdkBitmap *) NULL;
 }
 

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

 {
 {

+    m_bitmap = (GdkBitmap *) NULL;
+    Create( bitmap, colour );

 }
 
 }
 

-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap), int WXUNUSED(paletteIndex) )
+wxMask::wxMask( const wxBitmap& bitmap, int paletteIndex )

 {
 {

+    m_bitmap = (GdkBitmap *) NULL;
+    Create( bitmap, paletteIndex );

 }
 
 }
 

-wxMask::wxMask( const wxBitmap& WXUNUSED(bitmap) )
+wxMask::wxMask( const wxBitmap& bitmap )

 {
 {

+    m_bitmap = (GdkBitmap *) NULL;
+    Create( bitmap );

 }
 
 wxMask::~wxMask()
 {
 }
 
 wxMask::~wxMask()
 {

-    if (m_bitmap) gdk_bitmap_unref( m_bitmap );
+    if (m_bitmap)
+        gdk_bitmap_unref( m_bitmap );
+}
+
+bool wxMask::Create( const wxBitmap& bitmap,
+                     const wxColour& colour )
+{
+    if (m_bitmap)
+    {
+        gdk_bitmap_unref( m_bitmap );
+        m_bitmap = (GdkBitmap*) NULL;
+    }
+
+    wxImage image = bitmap.ConvertToImage();
+    if (!image.Ok()) return FALSE;
+
+    m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, image.GetWidth(), image.GetHeight(), 1 );
+    GdkGC *gc = gdk_gc_new( m_bitmap );
+
+    GdkColor color;
+    color.red = 65000;
+    color.green = 65000;
+    color.blue = 65000;
+    color.pixel = 1;
+    gdk_gc_set_foreground( gc, &color );
+    gdk_gc_set_fill( gc, GDK_SOLID );
+    gdk_draw_rectangle( m_bitmap, gc, TRUE, 0, 0, image.GetWidth(), image.GetHeight() );
+
+    unsigned char *data = image.GetData();
+    int index = 0;
+
+    unsigned char red = colour.Red();
+    unsigned char green = colour.Green();
+    unsigned char blue = colour.Blue();
+
+    GdkVisual *visual = wxTheApp->GetGdkVisual();
+
+    int bpp = visual->depth;
+    if ((bpp == 16) && (visual->red_mask != 0xf800))
+        bpp = 15;
+    if (bpp == 15)
+    {
+        red = red & 0xf8;
+        green = green & 0xf8;
+        blue = blue & 0xf8;
+    }
+    else if (bpp == 16)
+    {
+        red = red & 0xf8;
+        green = green & 0xfc;
+        blue = blue & 0xf8;
+    }
+    else if (bpp == 12)
+    {
+        red = red & 0xf0;
+        green = green & 0xf0;
+        blue = blue & 0xf0;
+    }
+
+    color.red = 0;
+    color.green = 0;
+    color.blue = 0;
+    color.pixel = 0;
+    gdk_gc_set_foreground( gc, &color );
+
+    for (int j = 0; j < image.GetHeight(); j++)
+    {
+        int start_x = -1;
+        int i;
+        for (i = 0; i < image.GetWidth(); i++)
+        {
+            if ((data[index] == red) &&
+                (data[index+1] == green) &&
+                (data[index+2] == blue))
+            {
+                if (start_x == -1)
+                start_x = i;
+            }
+            else
+            {
+                if (start_x != -1)
+                {
+                    gdk_draw_line( m_bitmap, gc, start_x, j, i-1, j );
+                    start_x = -1;
+                }
+            }
+            index += 3;
+        }
+        if (start_x != -1)
+            gdk_draw_line( m_bitmap, gc, start_x, j, i, j );
+    }
+
+    gdk_gc_unref( gc );
+
+    return TRUE;
+}
+
+bool wxMask::Create( const wxBitmap& bitmap, int paletteIndex )
+{
+    unsigned char r,g,b;
+    wxPalette *pal = bitmap.GetPalette();
+
+    wxCHECK_MSG( pal, FALSE, wxT("Cannot create mask from bitmap without palette") );
+
+    pal->GetRGB(paletteIndex, &r, &g, &b);
+
+    return Create(bitmap, wxColour(r, g, b));
+}
+
+bool wxMask::Create( const wxBitmap& bitmap )
+{
+    if (m_bitmap)
+    {
+        gdk_bitmap_unref( m_bitmap );
+        m_bitmap = (GdkBitmap*) NULL;
+    }
+
+    if (!bitmap.Ok()) return FALSE;
+
+    wxCHECK_MSG( bitmap.GetBitmap(), FALSE, wxT("Cannot create mask from colour bitmap") );
+
+    m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, bitmap.GetWidth(), bitmap.GetHeight(), 1 );
+
+    if (!m_bitmap) return FALSE;
+
+    GdkGC *gc = gdk_gc_new( m_bitmap );
+
+    gdk_wx_draw_bitmap( m_bitmap, gc, bitmap.GetBitmap(), 0, 0, 0, 0, bitmap.GetWidth(), bitmap.GetHeight() );
+
+    gdk_gc_unref( gc );
+
+    return TRUE;

 }
 
 }
 

-GdkBitmap *wxMask::GetBitmap(void) const
+GdkBitmap *wxMask::GetBitmap() const

 {
     return m_bitmap;
 }
 {
     return m_bitmap;
 }


@@ -60,16 +229,16 @@ GdkBitmap *wxMask::GetBitmap(void) const
 class wxBitmapRefData: public wxObjectRefData
 {
 public:
 class wxBitmapRefData: public wxObjectRefData
 {
 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();
+    ~wxBitmapRefData();
+
+    GdkPixmap      *m_pixmap;
+    GdkBitmap      *m_bitmap;
+    wxMask         *m_mask;
+    int             m_width;
+    int             m_height;
+    int             m_bpp;
+    wxPalette      *m_palette;

 };
 
 wxBitmapRefData::wxBitmapRefData()
 };
 
 wxBitmapRefData::wxBitmapRefData()


@@ -99,37 +268,59 @@ IMPLEMENT_DYNAMIC_CLASS(wxBitmap,wxGDIObject)
 
 wxBitmap::wxBitmap()
 {
 
 wxBitmap::wxBitmap()
 {

-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);

 }
 
 wxBitmap::wxBitmap( int width, int height, int depth )
 {
 }
 
 wxBitmap::wxBitmap( int width, int height, int depth )
 {

-    wxCHECK_RET( (width > 0) && (height > 0), _T("invalid bitmap size") )
-    wxCHECK_RET( (depth > 0) || (depth == -1), _T("invalid bitmap depth") )
+    Create( width, height, depth );
+}

 
 

-    m_refData = new wxBitmapRefData();
+bool wxBitmap::Create( int width, int height, int depth )
+{
+    UnRef();
+
+    wxCHECK_MSG( (width > 0) && (height > 0), FALSE, wxT("invalid bitmap size") )

 
 

-    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
+    GdkVisual *visual = wxTheApp->GetGdkVisual();

 
 

+    if (depth == -1) depth = visual->depth;
+
+    wxCHECK_MSG( (depth == visual->depth) ||
+                 (depth == 1), FALSE, wxT("invalid bitmap depth") )
+
+    m_refData = new wxBitmapRefData();

     M_BMPDATA->m_mask = (wxMask *) NULL;
     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_width = width;
     M_BMPDATA->m_height = height;

-    M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;
+    if (depth == 1)
+    {
+        M_BMPDATA->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
+        M_BMPDATA->m_bpp = 1;
+    }
+    else
+    {
+        M_BMPDATA->m_pixmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, depth );
+        M_BMPDATA->m_bpp = visual->depth;
+    }

 
 

-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+    return Ok();

 }
 
 }
 

-wxBitmap::wxBitmap( const char **bits )
+bool wxBitmap::CreateFromXpm( const char **bits )

 {
 {

-    wxCHECK_RET( bits != NULL, _T("invalid bitmap data") )
+    UnRef();
+
+    wxCHECK_MSG( bits != NULL, FALSE, wxT("invalid bitmap data") )
+
+    GdkVisual *visual = wxTheApp->GetGdkVisual();

 
     m_refData = new wxBitmapRefData();
 
     GdkBitmap *mask = (GdkBitmap*) NULL;
 
     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 );
+    M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( wxGetRootWindow()->window, &mask, NULL, (gchar **) bits );
+
+    wxCHECK_MSG( M_BMPDATA->m_pixmap, FALSE, wxT("couldn't create pixmap") );

 
     if (mask)
     {
 
     if (mask)
     {


@@ -139,47 +330,516 @@ wxBitmap::wxBitmap( const char **bits )
 
     gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
 
 
     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);
+    M_BMPDATA->m_bpp = visual->depth;  // Can we get a different depth from create_from_xpm_d() ?
+
+    return TRUE;

 }
 
 }
 

-wxBitmap::wxBitmap( char **bits )
+bool wxBitmap::CreateFromImage( const wxImage& image, int depth )

 {
 {

-    wxCHECK_RET( bits != NULL, _T("invalid bitmap data") )
+    UnRef();
+
+    wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") )
+    wxCHECK_MSG( depth == -1 || depth == 1, FALSE, wxT("invalid bitmap depth") )

 
     m_refData = new wxBitmapRefData();
 
 
     m_refData = new wxBitmapRefData();
 

-    GdkBitmap *mask = (GdkBitmap*) NULL;
-    GdkWindow *parent = (GdkWindow*) &gdk_root_parent;
+    // ------
+    // conversion to mono bitmap:
+    // ------
+    if (depth == 1)
+    {
+        int width = image.GetWidth();
+        int height = image.GetHeight();

 
 

-    M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm_d( parent, &mask, NULL, (gchar **) bits );
+        SetHeight( height );
+        SetWidth( width );

 
 

-    wxCHECK_RET( M_BMPDATA->m_pixmap, _T("couldn't create pixmap") );
+        SetBitmap( gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 ) );

 
 

-    if (mask)
+        SetDepth( 1 );
+
+        GdkVisual *visual = wxTheApp->GetGdkVisual();
+
+        // Create picture image
+
+        unsigned char *data_data = (unsigned char*)malloc( ((width >> 3)+8) * height );
+
+        GdkImage *data_image =
+            gdk_image_new_bitmap( visual, data_data, width, height );
+
+        // Create mask image
+
+        GdkImage *mask_image = (GdkImage*) NULL;
+
+        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 );
+
+            wxMask *mask = new wxMask();
+            mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
+
+            SetMask( mask );
+        }
+
+        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 );
+                }
+
+                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 );
+
+            } // for
+        }  // for
+
+        // Blit picture
+
+        GdkGC *data_gc = gdk_gc_new( GetBitmap() );
+
+        gdk_draw_image( GetBitmap(), 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())
+        {
+            GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
+
+            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

     {
     {

-        M_BMPDATA->m_mask = new wxMask();
-        M_BMPDATA->m_mask->m_bitmap = mask;
+        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();
+
+        int bpp = visual->depth;
+
+        SetDepth( bpp );
+
+        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.
+#ifdef __sgi
+        if (!image.HasMask() && (bpp > 16))
+#else
+        if (!image.HasMask() && (bpp > 12))
+#endif
+        {
+            static bool s_hasInitialized = FALSE;
+
+            if (!s_hasInitialized)
+            {
+                gdk_rgb_init();
+                s_hasInitialized = TRUE;
+            }
+
+            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_gc_unref( gc );
+            return TRUE;
+        }
+
+        // Create picture image
+
+        GdkImage *data_image =
+            gdk_image_new( GDK_IMAGE_FASTEST, visual, width, height );
+
+        // Create mask image
+
+        GdkImage *mask_image = (GdkImage*) NULL;
+
+        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 );
+
+            wxMask *mask = new wxMask();
+            mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, width, height, 1 );
+
+            SetMask( mask );
+        }
+
+        // Render
+
+        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;
+        }
+
+        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:
+                    {
+                        int pixel = -1;
+                        if (wxTheApp->m_colorCube)
+                        {
+                            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++)
+                            {
+                                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 );
+
+                        break;
+                    }
+                    case 12:  // SGI only
+                    {
+                        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 15:
+                    {
+                        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 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)
+                        {
+                            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 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( GetPixmap() );
+
+        gdk_draw_image( GetPixmap(), 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())
+        {
+            GdkGC *mask_gc = gdk_gc_new( GetMask()->GetBitmap() );
+
+            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_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
+    return TRUE;
+}
+
+wxImage wxBitmap::ConvertToImage() const
+{
+    // 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;

 
 

-    M_BMPDATA->m_bpp = gdk_window_get_visual( parent )->depth;  // ?
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+    wxImage image;
+
+    wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+
+    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
+    {
+        wxFAIL_MSG( wxT("Ill-formed bitmap") );
+    }
+
+    wxCHECK_MSG( gdk_image, wxNullImage, wxT("couldn't create image") );
+
+    image.Create( GetWidth(), GetHeight() );
+    char unsigned *data = image.GetData();
+
+    if (!data)
+    {
+        gdk_image_destroy( gdk_image );
+        wxFAIL_MSG( wxT("couldn't create image") );
+        return wxNullImage;
+    }
+
+    GdkImage *gdk_image_mask = (GdkImage*) NULL;
+    if (GetMask())
+    {
+        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++)
+        {
+            wxUint32 pixel = gdk_image_get_pixel( gdk_image, i, j );
+            if (bpp == 1)
+            {
+                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 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)
+                {
+                    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 );
+
+    return image;

 }
 
 wxBitmap::wxBitmap( const wxBitmap& bmp )
 }
 
 wxBitmap::wxBitmap( const wxBitmap& bmp )

+    : wxGDIObject()

 {
     Ref( bmp );
 {
     Ref( bmp );

-
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);

 }
 
 wxBitmap::wxBitmap( const wxString &filename, int type )
 {
     LoadFile( filename, type );
 }
 
 wxBitmap::wxBitmap( const wxString &filename, int type )
 {
     LoadFile( filename, type );

-
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);

 }
 
 wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))
 }
 
 wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth))


@@ -188,88 +848,130 @@ wxBitmap::wxBitmap( const char bits[], int width, int height, int WXUNUSED(depth
 
     M_BMPDATA->m_mask = (wxMask *) NULL;
     M_BMPDATA->m_bitmap =
 
     M_BMPDATA->m_mask = (wxMask *) NULL;
     M_BMPDATA->m_bitmap =

-      gdk_bitmap_create_from_data( (GdkWindow*) &gdk_root_parent, (gchar *) bits, width, height );
+      gdk_bitmap_create_from_data( wxGetRootWindow()->window, (gchar *) bits, width, height );

     M_BMPDATA->m_width = width;
     M_BMPDATA->m_height = height;
     M_BMPDATA->m_bpp = 1;
 
     M_BMPDATA->m_width = width;
     M_BMPDATA->m_height = height;
     M_BMPDATA->m_bpp = 1;
 

-    wxCHECK_RET( M_BMPDATA->m_bitmap, _T("couldn't create bitmap") );
-
-    if (wxTheBitmapList) wxTheBitmapList->AddBitmap(this);
+    wxCHECK_RET( M_BMPDATA->m_bitmap, wxT("couldn't create bitmap") );

 }
 
 wxBitmap::~wxBitmap()
 {
 }
 
 wxBitmap::~wxBitmap()
 {

-    if (wxTheBitmapList) wxTheBitmapList->DeleteObject(this);

 }
 
 wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
 {
 }
 
 wxBitmap& wxBitmap::operator = ( const wxBitmap& bmp )
 {

-    if (*this == bmp) return (*this);
-    Ref( bmp );
+    if ( m_refData != bmp.m_refData )
+        Ref( bmp );
+

     return *this;
 }
 
     return *this;
 }
 

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

 {
     return m_refData == bmp.m_refData;
 }
 
 {
     return m_refData == bmp.m_refData;
 }
 

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

 {
     return m_refData != bmp.m_refData;
 }
 
 {
     return m_refData != bmp.m_refData;
 }
 

-bool wxBitmap::Ok(void) const
+bool wxBitmap::Ok() const

 {
     return (m_refData != NULL);
 }
 
 {
     return (m_refData != NULL);
 }
 

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

 {
 {

-    wxCHECK_MSG( Ok(), -1, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );

 
     return M_BMPDATA->m_height;
 }
 
 
     return M_BMPDATA->m_height;
 }
 

-int wxBitmap::GetWidth(void) const
+int wxBitmap::GetWidth() const

 {
 {

-    wxCHECK_MSG( Ok(), -1, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );

 
     return M_BMPDATA->m_width;
 }
 
 
     return M_BMPDATA->m_width;
 }
 

-int wxBitmap::GetDepth(void) const
+int wxBitmap::GetDepth() const

 {
 {

-    wxCHECK_MSG( Ok(), -1, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), -1, wxT("invalid bitmap") );

 
     return M_BMPDATA->m_bpp;
 }
 
 
     return M_BMPDATA->m_bpp;
 }
 

-wxMask *wxBitmap::GetMask(void) const
+wxMask *wxBitmap::GetMask() const

 {
 {

-    wxCHECK_MSG( Ok(), (wxMask *) NULL, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), (wxMask *) NULL, wxT("invalid bitmap") );

 
     return M_BMPDATA->m_mask;
 }
 
 void wxBitmap::SetMask( wxMask *mask )
 {
 
     return M_BMPDATA->m_mask;
 }
 
 void wxBitmap::SetMask( wxMask *mask )
 {

-    wxCHECK_RET( Ok(), _T("invalid bitmap") );
+    wxCHECK_RET( Ok(), wxT("invalid bitmap") );

 
     if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
 
     M_BMPDATA->m_mask = mask;
 }
 
 
     if (M_BMPDATA->m_mask) delete M_BMPDATA->m_mask;
 
     M_BMPDATA->m_mask = mask;
 }
 

+bool wxBitmap::CopyFromIcon(const wxIcon& icon)
+{
+    *this = icon;
+    return TRUE;
+}
+
+wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
+{
+    wxCHECK_MSG( Ok() &&
+                 (rect.x >= 0) && (rect.y >= 0) &&
+                 (rect.x+rect.width <= M_BMPDATA->m_width) && (rect.y+rect.height <= M_BMPDATA->m_height),
+                 wxNullBitmap, wxT("invalid bitmap or bitmap region") );
+
+    wxBitmap ret( rect.width, rect.height, M_BMPDATA->m_bpp );
+    wxASSERT_MSG( ret.Ok(), wxT("GetSubBitmap error") );
+
+    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() );
+        gdk_wx_draw_bitmap( ret.GetBitmap(), gc, GetBitmap(), rect.x, rect.y, 0, 0, rect.width, rect.height );
+        gdk_gc_destroy( gc );
+    }
+
+    if (GetMask())
+    {
+        wxMask *mask = new wxMask;
+        mask->m_bitmap = gdk_pixmap_new( wxGetRootWindow()->window, rect.width, rect.height, 1 );
+
+        GdkGC *gc = gdk_gc_new( mask->m_bitmap );
+        gdk_wx_draw_bitmap( mask->m_bitmap, gc, M_BMPDATA->m_mask->m_bitmap, 0, 0, rect.x, rect.y, rect.width, rect.height );
+        gdk_gc_destroy( gc );
+
+        ret.SetMask( mask );
+    }
+
+    return ret;
+}
+

 bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
 {
 bool wxBitmap::SaveFile( const wxString &name, int type, wxPalette *WXUNUSED(palette) )
 {

-    wxCHECK_MSG( Ok(), FALSE, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), FALSE, wxT("invalid bitmap") );

 
 

-    if (type == wxBITMAP_TYPE_PNG)
+    // Try to save the bitmap via wxImage handlers:

     {
     {

-        wxImage image( *this );
-       if (image.Ok()) return image.SaveFile( name, type );
+        wxImage image = ConvertToImage();
+        if (image.Ok()) return image.SaveFile( name, type );

     }
 
     return FALSE;
     }
 
     return FALSE;


@@ -281,14 +983,15 @@ bool wxBitmap::LoadFile( const wxString &name, int type )
 
     if (!wxFileExists(name)) return FALSE;
 
 
     if (!wxFileExists(name)) return FALSE;
 

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

     if (type == wxBITMAP_TYPE_XPM)
     {
         m_refData = new wxBitmapRefData();
 
         GdkBitmap *mask = (GdkBitmap*) NULL;
     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.fn_str() );
+        M_BMPDATA->m_pixmap = gdk_pixmap_create_from_xpm( wxGetRootWindow()->window, &mask, NULL, name.fn_str() );

 
         if (mask)
         {
 
         if (mask)
         {


@@ -297,27 +1000,22 @@ bool wxBitmap::LoadFile( const wxString &name, int type )
         }
 
         gdk_window_get_size( M_BMPDATA->m_pixmap, &(M_BMPDATA->m_width), &(M_BMPDATA->m_height) );
         }
 
         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)
-    {
-        wxImage image;
-        image.LoadFile( name, type );
-        if (image.Ok()) *this = image.ConvertToBitmap();
+
+        M_BMPDATA->m_bpp = visual->depth;

     }
     }

-    else if (type == wxBITMAP_TYPE_BMP)
+    else // try if wxImage can load it

     {
         wxImage image;
     {
         wxImage image;

-        image.LoadFile( name, type );
-        if (image.Ok()) *this = image.ConvertToBitmap();
+        if (!image.LoadFile( name, type )) return FALSE;
+        if (image.Ok())
+            *this = wxBitmap(image);
+        else return FALSE;

     }
     }

-    else
-        return FALSE;

 
     return TRUE;
 }
 
 
     return TRUE;
 }
 

-wxPalette *wxBitmap::GetPalette(void) const
+wxPalette *wxBitmap::GetPalette() const

 {
     if (!Ok()) return (wxPalette *) NULL;
 
 {
     if (!Ok()) return (wxPalette *) NULL;
 


@@ -352,16 +1050,23 @@ void wxBitmap::SetPixmap( GdkPixmap *pixmap )
     M_BMPDATA->m_pixmap = pixmap;
 }
 
     M_BMPDATA->m_pixmap = pixmap;
 }
 

-GdkPixmap *wxBitmap::GetPixmap(void) const
+void wxBitmap::SetBitmap( GdkPixmap *bitmap )
+{
+    if (!m_refData) m_refData = new wxBitmapRefData();
+
+    M_BMPDATA->m_bitmap = bitmap;
+}
+
+GdkPixmap *wxBitmap::GetPixmap() const

 {
 {

-    wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), (GdkPixmap *) NULL, wxT("invalid bitmap") );

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

-GdkBitmap *wxBitmap::GetBitmap(void) const
+GdkBitmap *wxBitmap::GetBitmap() const

 {
 {

-    wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, _T("invalid bitmap") );
+    wxCHECK_MSG( Ok(), (GdkBitmap *) NULL, wxT("invalid bitmap") );

 
     return M_BMPDATA->m_bitmap;
 }
 
     return M_BMPDATA->m_bitmap;
 }