added wxRegEx::GetMatchCount (patch 938995)

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

diff --git a/src/msw/bitmap.cpp b/src/msw/bitmap.cpp
index 564f1f33f175e998d89d67c253449f8a31e4e936..86bddb84ca562a07824fd881a0e0effefdda93f5 100644 (file)
--- a/src/msw/bitmap.cpp
+++ b/src/msw/bitmap.cpp
@@ -17,7 +17,7 @@
 // headers
 // ----------------------------------------------------------------------------
 
 // headers
 // ----------------------------------------------------------------------------
 

-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)

     #pragma implementation "bitmap.h"
 #endif
 
     #pragma implementation "bitmap.h"
 #endif
 


@@ -43,14 +43,16 @@
 #include "wx/msw/private.h"
 #include "wx/log.h"
 
 #include "wx/msw/private.h"
 #include "wx/log.h"
 

-#if !defined(__WXMICROWIN__)
+#if wxUSE_WXDIB

 #include "wx/msw/dib.h"
 #endif
 
 #include "wx/image.h"
 #include "wx/xpmdecod.h"
 
 #include "wx/msw/dib.h"
 #endif
 
 #include "wx/image.h"
 #include "wx/xpmdecod.h"
 

+#ifdef wxHAVE_RAW_BITMAP

 #include "wx/rawbmp.h"
 #include "wx/rawbmp.h"

+#endif

 
 // missing from mingw32 header
 #ifndef CLR_INVALID
 
 // missing from mingw32 header
 #ifndef CLR_INVALID


@@ -100,10 +102,20 @@ public:
     wxDC         *m_selectedInto;
 #endif // __WXDEBUG__
 
     wxDC         *m_selectedInto;
 #endif // __WXDEBUG__
 

+#if wxUSE_WXDIB
+    // when GetRawData() is called for a DDB we need to convert it to a DIB
+    // first to be able to provide direct access to it and we cache that DIB
+    // here and convert it back to DDB when UngetRawData() is called
+    wxDIB *m_dib;
+#endif
+

     // true if we have alpha transparency info and can be drawn using
     // AlphaBlend()
     bool m_hasAlpha;
 
     // true if we have alpha transparency info and can be drawn using
     // AlphaBlend()
     bool m_hasAlpha;
 

+    // true if our HBITMAP is a DIB section, false if it is a DDB
+    bool m_isDIB;
+

 private:
     // optional mask for transparent drawing
     wxMask       *m_bitmapMask;
 private:
     // optional mask for transparent drawing
     wxMask       *m_bitmapMask;


@@ -129,28 +141,44 @@ IMPLEMENT_DYNAMIC_CLASS(wxBitmapHandler, wxObject)
 // ----------------------------------------------------------------------------
 
 // decide whether we should create a DIB or a DDB for the given parameters
 // ----------------------------------------------------------------------------
 
 // decide whether we should create a DIB or a DDB for the given parameters

-static bool wxShouldCreateDIB(int w, int h, int d, WXHDC hdc)
-{
-    // here is the logic:
-    //
-    //  (a) if hdc is specified, the caller explicitly wants DDB
-    //  (b) otherwise, create a DIB if depth >= 24 (we don't support 16bpp or
-    //      less DIBs anyhow)
-    //  (c) finally, create DIBs under Win9x even if the depth hasn't been
-    //      explicitly specified but the current display depth is 24 or more
-    //      and the image is "big", i.e. > 16Mb which is the theoretical limit
-    //      for DDBs under Win9x
-    //
-    // consequences (all of which seem to make sense):
-    //
-    //  (i)     by default, DDBs are created (depth == -1 usually)
-    //  (ii)    DIBs can be created by explicitly specifying the depth
-    //  (iii)   using a DC always forces creating a DDB
-    return !hdc &&
-            (d >= 24 ||
-                (d == -1 &&
-                    wxDIB::GetLineSize(w, wxDisplayDepth())*h > 16*1024*1024));
-}
+//
+// NB: we always use DIBs under Windows CE as this is much simpler (even if
+//     also less efficient...) and we obviously can't use them if there is no
+//     DIB support compiled in at all
+#ifdef __WXWINCE__
+    static inline bool wxShouldCreateDIB(int, int, int, WXHDC) { return true; }
+
+    #define ALWAYS_USE_DIB
+#elif !wxUSE_WXDIB
+    // no sense in defining wxShouldCreateDIB() as we can't compile code
+    // executed if it is true, so we have to use #if's anyhow
+    #define NEVER_USE_DIB
+#else // wxUSE_WXDIB && !__WXWINCE__
+    static inline bool wxShouldCreateDIB(int w, int h, int d, WXHDC hdc)
+    {
+        // here is the logic:
+        //
+        //  (a) if hdc is specified, the caller explicitly wants DDB
+        //  (b) otherwise, create a DIB if depth >= 24 (we don't support 16bpp
+        //      or less DIBs anyhow)
+        //  (c) finally, create DIBs under Win9x even if the depth hasn't been
+        //      explicitly specified but the current display depth is 24 or
+        //      more and the image is "big", i.e. > 16Mb which is the
+        //      theoretical limit for DDBs under Win9x
+        //
+        // consequences (all of which seem to make sense):
+        //
+        //  (i)     by default, DDBs are created (depth == -1 usually)
+        //  (ii)    DIBs can be created by explicitly specifying the depth
+        //  (iii)   using a DC always forces creating a DDB
+        return !hdc &&
+                (d >= 24 ||
+                    (d == -1 &&
+                        wxDIB::GetLineSize(w, wxDisplayDepth())*h > 16*1024*1024));
+    }
+
+    #define SOMETIMES_USE_DIB
+#endif // different DIB usage scenarious

 
 // ----------------------------------------------------------------------------
 // wxBitmapRefData
 
 // ----------------------------------------------------------------------------
 // wxBitmapRefData


@@ -162,7 +190,13 @@ wxBitmapRefData::wxBitmapRefData()
     m_selectedInto = NULL;
 #endif
     m_bitmapMask = NULL;
     m_selectedInto = NULL;
 #endif
     m_bitmapMask = NULL;

+

     m_hBitmap = (WXHBITMAP) NULL;
     m_hBitmap = (WXHBITMAP) NULL;

+#if wxUSE_WXDIB
+    m_dib = NULL;
+#endif
+
+    m_isDIB =

     m_hasAlpha = FALSE;
 }
 
     m_hasAlpha = FALSE;
 }
 


@@ -171,6 +205,10 @@ void wxBitmapRefData::Free()
     wxASSERT_MSG( !m_selectedInto,
                   wxT("deleting bitmap still selected into wxMemoryDC") );
 
     wxASSERT_MSG( !m_selectedInto,
                   wxT("deleting bitmap still selected into wxMemoryDC") );
 

+#if wxUSE_WXDIB
+    wxASSERT_MSG( !m_dib, _T("forgot to call wxBitmap::UngetRawData()!") );
+#endif
+

     if ( m_hBitmap)
     {
         if ( !::DeleteObject((HBITMAP)m_hBitmap) )
     if ( m_hBitmap)
     {
         if ( !::DeleteObject((HBITMAP)m_hBitmap) )


@@ -202,7 +240,7 @@ wxGDIImageRefData *wxBitmap::CreateData() const
 
 bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& icon)
 {
 
 bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& icon)
 {

-#ifndef __WXMICROWIN__
+#if !defined(__WXMICROWIN__) && !defined(__WXWINCE__)

     // it may be either HICON or HCURSOR
     HICON hicon = (HICON)icon.GetHandle();
 
     // it may be either HICON or HCURSOR
     HICON hicon = (HICON)icon.GetHandle();
 


@@ -234,10 +272,6 @@ bool wxBitmap::CopyFromIconOrCursor(const wxGDIImage& icon)
     // delete the old one now as we don't need it any more
     ::DeleteObject(iconInfo.hbmMask);
 
     // delete the old one now as we don't need it any more
     ::DeleteObject(iconInfo.hbmMask);
 

-#if WXWIN_COMPATIBILITY_2
-    refData->m_ok = TRUE;
-#endif // WXWIN_COMPATIBILITY_2
-

     return TRUE;
 #else
     return FALSE;
     return TRUE;
 #else
     return FALSE;


@@ -253,13 +287,7 @@ bool wxBitmap::CopyFromCursor(const wxCursor& cursor)
     if ( !cursor.Ok() )
         return FALSE;
 
     if ( !cursor.Ok() )
         return FALSE;
 

-#ifdef __WIN16__
-    wxFAIL_MSG( _T("don't know how to convert cursor to bitmap") );
-
-    return FALSE;
-#else

     return CopyFromIconOrCursor(cursor);
     return CopyFromIconOrCursor(cursor);

-#endif // Win16

 }
 
 bool wxBitmap::CopyFromIcon(const wxIcon& icon)
 }
 
 bool wxBitmap::CopyFromIcon(const wxIcon& icon)


@@ -269,50 +297,22 @@ bool wxBitmap::CopyFromIcon(const wxIcon& icon)
     if ( !icon.Ok() )
         return FALSE;
 
     if ( !icon.Ok() )
         return FALSE;
 

-    // GetIconInfo() doesn't exist under Win16 and I don't know any other way
-    // to create a bitmap from icon there - but using this way we won't have
-    // the mask (FIXME)
-#ifdef __WIN16__
-    int width = icon.GetWidth(),
-        height = icon.GetHeight();
-
-    // copy the icon to the bitmap
-    ScreenHDC hdcScreen;
-    HDC hdc = ::CreateCompatibleDC(hdcScreen);
-    HBITMAP hbitmap = ::CreateCompatibleBitmap(hdcScreen, width, height);
-    HBITMAP hbmpOld = (HBITMAP)::SelectObject(hdc, hbitmap);
-
-    ::DrawIcon(hdc, 0, 0, GetHiconOf(icon));
-
-    ::SelectObject(hdc, hbmpOld);
-    ::DeleteDC(hdc);
-
-    wxBitmapRefData *refData = new wxBitmapRefData;
-    m_refData = refData;
-
-    refData->m_width = width;
-    refData->m_height = height;
-    refData->m_depth = wxDisplayDepth();
-
-    refData->m_hBitmap = (WXHBITMAP)hbitmap;
-
-#if WXWIN_COMPATIBILITY_2
-    refData->m_ok = TRUE;
-#endif // WXWIN_COMPATIBILITY_2
-
-    return TRUE;
-#else // Win32

     return CopyFromIconOrCursor(icon);
     return CopyFromIconOrCursor(icon);

-#endif // Win16/Win32

 }
 
 }
 

+#ifndef NEVER_USE_DIB
+

 bool wxBitmap::CopyFromDIB(const wxDIB& dib)
 {
     wxCHECK_MSG( dib.IsOk(), FALSE, _T("invalid DIB in CopyFromDIB") );
 
 bool wxBitmap::CopyFromDIB(const wxDIB& dib)
 {
     wxCHECK_MSG( dib.IsOk(), FALSE, _T("invalid DIB in CopyFromDIB") );
 

+#ifdef SOMETIMES_USE_DIB

     HBITMAP hbitmap = dib.CreateDDB();
     if ( !hbitmap )
         return FALSE;
     HBITMAP hbitmap = dib.CreateDDB();
     if ( !hbitmap )
         return FALSE;

+#else // ALWAYS_USE_DIB
+    HBITMAP hbitmap = ((wxDIB &)dib).Detach();  // const_cast
+#endif // SOMETIMES_USE_DIB/ALWAYS_USE_DIB

 
     UnRef();
 
 
     UnRef();
 


@@ -338,6 +338,8 @@ bool wxBitmap::CopyFromDIB(const wxDIB& dib)
     return TRUE;
 }
 
     return TRUE;
 }
 

+#endif // NEVER_USE_DIB
+

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


@@ -409,7 +411,11 @@ wxBitmap::wxBitmap(const char bits[], int width, int height, int depth)
 }
 
 // Create from XPM data
 }
 
 // Create from XPM data

+#if wxUSE_IMAGE && wxUSE_XPM

 bool wxBitmap::CreateFromXpm(const char **data)
 bool wxBitmap::CreateFromXpm(const char **data)

+#else
+bool wxBitmap::CreateFromXpm(const char **WXUNUSED(data))
+#endif

 {
 #if wxUSE_IMAGE && wxUSE_XPM
     Init();
 {
 #if wxUSE_IMAGE && wxUSE_XPM
     Init();


@@ -434,6 +440,13 @@ wxBitmap::wxBitmap(int w, int h, int d)
     (void)Create(w, h, d);
 }
 
     (void)Create(w, h, d);
 }
 

+wxBitmap::wxBitmap(int w, int h, const wxDC& dc)
+{
+    Init();
+
+    (void)Create(w, h, dc);
+}
+

 wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth)
 {
     Init();
 wxBitmap::wxBitmap(void *data, long type, int width, int height, int depth)
 {
     Init();


@@ -469,8 +482,9 @@ bool wxBitmap::DoCreate(int w, int h, int d, WXHDC hdc)
     GetBitmapData()->m_width = w;
     GetBitmapData()->m_height = h;
 
     GetBitmapData()->m_width = w;
     GetBitmapData()->m_height = h;
 

-    HBITMAP hbmp;
+    HBITMAP hbmp    wxDUMMY_INITIALIZE(0);

 
 

+#ifndef NEVER_USE_DIB

     if ( wxShouldCreateDIB(w, h, d, hdc) )
     {
         if ( d == -1 )
     if ( wxShouldCreateDIB(w, h, d, hdc) )
     {
         if ( d == -1 )


@@ -486,15 +500,13 @@ bool wxBitmap::DoCreate(int w, int h, int d, WXHDC hdc)
         // don't delete the DIB section in dib object dtor
         hbmp = dib.Detach();
 
         // don't delete the DIB section in dib object dtor
         hbmp = dib.Detach();
 

+        GetBitmapData()->m_isDIB = TRUE;

         GetBitmapData()->m_depth = d;
     }
     else // create a DDB
         GetBitmapData()->m_depth = d;
     }
     else // create a DDB

+#endif // NEVER_USE_DIB

     {
     {

-        if ( d == -1 )
-            d = wxDisplayDepth();
-
-        GetBitmapData()->m_depth = d;
-
+#ifndef ALWAYS_USE_DIB

 #ifndef __WXMICROWIN__
         if ( d > 0 )
         {
 #ifndef __WXMICROWIN__
         if ( d > 0 )
         {


@@ -503,8 +515,10 @@ bool wxBitmap::DoCreate(int w, int h, int d, WXHDC hdc)
             {
                 wxLogLastError(wxT("CreateBitmap"));
             }
             {
                 wxLogLastError(wxT("CreateBitmap"));
             }

+
+            GetBitmapData()->m_depth = d;

         }
         }

-        else
+        else // d == 0, create bitmap compatible with the screen

 #endif // !__WXMICROWIN__
         {
             ScreenHDC dc;
 #endif // !__WXMICROWIN__
         {
             ScreenHDC dc;


@@ -516,14 +530,11 @@ bool wxBitmap::DoCreate(int w, int h, int d, WXHDC hdc)
 
             GetBitmapData()->m_depth = wxDisplayDepth();
         }
 
             GetBitmapData()->m_depth = wxDisplayDepth();
         }

+#endif // !ALWAYS_USE_DIB

     }
 
     SetHBITMAP((WXHBITMAP)hbmp);
 
     }
 
     SetHBITMAP((WXHBITMAP)hbmp);
 

-#if WXWIN_COMPATIBILITY_2
-    GetBitmapData()->m_ok = hbmp != 0;
-#endif // WXWIN_COMPATIBILITY_2
-

     return Ok();
 }
 
     return Ok();
 }
 


@@ -648,11 +659,6 @@ bool wxBitmap::CreateFromImage(const wxImage& image, int depth, const wxDC& dc)
     SetPalette(image.GetPalette());
 #endif // wxUSE_PALETTE
 
     SetPalette(image.GetPalette());
 #endif // wxUSE_PALETTE
 

-#if WXWIN_COMPATIBILITY_2
-    // check the wxBitmap object
-    GetBitmapData()->SetOk();
-#endif // WXWIN_COMPATIBILITY_2
-

     return TRUE;
 }
 
     return TRUE;
 }
 


@@ -725,6 +731,8 @@ wxImage wxBitmap::ConvertToImage() const
 // wxImage to/from conversions
 // ----------------------------------------------------------------------------
 
 // wxImage to/from conversions
 // ----------------------------------------------------------------------------
 

+#if wxUSE_WXDIB
+

 bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
 {
     return CreateFromImage(image, depth, 0);
 bool wxBitmap::CreateFromImage(const wxImage& image, int depth)
 {
     return CreateFromImage(image, depth, 0);


@@ -738,7 +746,7 @@ bool wxBitmap::CreateFromImage(const wxImage& image, const wxDC& dc)
     return CreateFromImage(image, -1, dc.GetHDC());
 }
 
     return CreateFromImage(image, -1, dc.GetHDC());
 }
 

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

 {
     wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") );
 
 {
     wxCHECK_MSG( image.Ok(), FALSE, wxT("invalid image") );
 


@@ -763,30 +771,31 @@ bool wxBitmap::CreateFromImage(const wxImage& image, int depth, WXHDC hdc )
 
 
     // next either store DIB as is or create a DDB from it
 
 
     // next either store DIB as is or create a DDB from it

-    HBITMAP hbitmap;
+    HBITMAP hbitmap     wxDUMMY_INITIALIZE(0);

 
     // are we going to use DIB?
 
     // are we going to use DIB?

-    if ( wxShouldCreateDIB(w, h, depth, hdc) )
+    //
+    // NB: DDBs don't support alpha so if we have alpha channel we must use DIB
+    if ( image.HasAlpha() || wxShouldCreateDIB(w, h, depth, hdc) )

     {
         // don't delete the DIB section in dib object dtor
         hbitmap = dib.Detach();
 
     {
         // don't delete the DIB section in dib object dtor
         hbitmap = dib.Detach();
 

+        refData->m_isDIB = TRUE;

         refData->m_depth = dib.GetDepth();
     }
         refData->m_depth = dib.GetDepth();
     }

+#ifndef ALWAYS_USE_DIB

     else // we need to convert DIB to DDB
     {
         hbitmap = dib.CreateDDB((HDC)hdc);
 
         refData->m_depth = depth == -1 ? wxDisplayDepth() : depth;
     }
     else // we need to convert DIB to DDB
     {
         hbitmap = dib.CreateDDB((HDC)hdc);
 
         refData->m_depth = depth == -1 ? wxDisplayDepth() : depth;
     }

+#endif // !ALWAYS_USE_DIB

 
     // validate this object
     SetHBITMAP((WXHBITMAP)hbitmap);
 
 
     // validate this object
     SetHBITMAP((WXHBITMAP)hbitmap);
 

-#if WXWIN_COMPATIBILITY_2
-    m_refData->m_ok = TRUE;
-#endif // WXWIN_COMPATIBILITY_2
-

     // finally also set the mask if we have one
     if ( image.HasMask() )
     {
     // finally also set the mask if we have one
     if ( image.HasMask() )
     {


@@ -800,132 +809,23 @@ bool wxBitmap::CreateFromImage(const wxImage& image, int depth, WXHDC hdc )
 
 wxImage wxBitmap::ConvertToImage() const
 {
 
 wxImage wxBitmap::ConvertToImage() const
 {

-    wxImage image;
-
-    wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
+    wxDIB dib(*this);

 
 

-    // create an wxImage object
-    int width = GetWidth();
-    int height = GetHeight();
-    image.Create( width, height );
-    unsigned char *data = image.GetData();
-    if( !data )
-    {
-        wxFAIL_MSG( wxT("could not allocate data for image") );
-        return wxNullImage;
-    }
-
-    // calc the number of bytes per scanline and padding in the DIB
-    int bytePerLine = width*3;
-    int sizeDWORD = sizeof( DWORD );
-    int lineBoundary =  bytePerLine % sizeDWORD;
-    int padding = 0;
-    if( lineBoundary > 0 )
-    {
-        padding = sizeDWORD - lineBoundary;
-        bytePerLine += padding;
-    }
-
-    // create a DIB header
-    int headersize = sizeof(BITMAPINFOHEADER);
-    BITMAPINFO *lpDIBh = (BITMAPINFO *) malloc( headersize );
-    if( !lpDIBh )
-    {
-        wxFAIL_MSG( wxT("could not allocate data for DIB header") );
-        free( data );
-        return wxNullImage;
-    }
-    // Fill in the DIB header
-    lpDIBh->bmiHeader.biSize = headersize;
-    lpDIBh->bmiHeader.biWidth = width;
-    lpDIBh->bmiHeader.biHeight = -height;
-    lpDIBh->bmiHeader.biSizeImage = bytePerLine * height;
-    lpDIBh->bmiHeader.biPlanes = 1;
-    lpDIBh->bmiHeader.biBitCount = 24;
-    lpDIBh->bmiHeader.biCompression = BI_RGB;
-    lpDIBh->bmiHeader.biClrUsed = 0;
-    // These seem not really needed for our purpose here.
-    lpDIBh->bmiHeader.biClrImportant = 0;
-    lpDIBh->bmiHeader.biXPelsPerMeter = 0;
-    lpDIBh->bmiHeader.biYPelsPerMeter = 0;
-    // memory for DIB data
-    unsigned char *lpBits;
-    lpBits = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage );
-    if( !lpBits )
-    {
-        wxFAIL_MSG( wxT("could not allocate data for DIB") );
-        free( data );
-        free( lpDIBh );
-        return wxNullImage;
-    }
-
-    // copy data from the device-dependent bitmap to the DIB
-    HDC hdc = ::GetDC(NULL);
-    HBITMAP hbitmap;
-    hbitmap = (HBITMAP) GetHBITMAP();
-    ::GetDIBits( hdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
-
-    // copy DIB data into the wxImage object
-    int i, j;
-    unsigned char *ptdata = data;
-    unsigned char *ptbits = lpBits;
-    for( i=0; i<height; i++ )
-    {
-        for( j=0; j<width; j++ )
-        {
-            *(ptdata++) = *(ptbits+2);
-            *(ptdata++) = *(ptbits+1);
-            *(ptdata++) = *(ptbits  );
-            ptbits += 3;
-        }
-        ptbits += padding;
-    }
-
-    // similarly, set data according to the possible mask bitmap
-    if( GetMask() && GetMask()->GetMaskBitmap() )
+    wxImage image;
+    if ( dib.IsOk() )

     {
     {

-        hbitmap = (HBITMAP) GetMask()->GetMaskBitmap();
-        // memory DC created, color set, data copied, and memory DC deleted
-        HDC memdc = ::CreateCompatibleDC( hdc );
-        ::SetTextColor( memdc, RGB( 0, 0, 0 ) );
-        ::SetBkColor( memdc, RGB( 255, 255, 255 ) );
-        ::GetDIBits( memdc, hbitmap, 0, height, lpBits, lpDIBh, DIB_RGB_COLORS );
-        ::DeleteDC( memdc );
-        // background color set to RGB(16,16,16) in consistent with wxGTK
-        unsigned char r=16, g=16, b=16;
-        ptdata = data;
-        ptbits = lpBits;
-        for( i=0; i<height; i++ )
+        image = dib.ConvertToImage();
+        if ( image.Ok() )

         {
         {

-            for( j=0; j<width; j++ )
-            {
-                if( *ptbits != 0 )
-                    ptdata += 3;
-                else
-                {
-                    *(ptdata++)  = r;
-                    *(ptdata++)  = g;
-                    *(ptdata++)  = b;
-                }
-                ptbits += 3;
-            }
-            ptbits += padding;
+            // TODO: set mask

         }
         }

-        image.SetMaskColour( r, g, b );
-        image.SetMask( TRUE );

     }
     }

-    else
-    {
-        image.SetMask( FALSE );
-    }
-    // free allocated resources
-    ::ReleaseDC(NULL, hdc);
-    free(lpDIBh);
-    free(lpBits);

 
     return image;
 }
 
 
     return image;
 }
 

+#endif // wxUSE_WXDIB
+

 #endif // wxUSE_IMAGE
 
 // ----------------------------------------------------------------------------
 #endif // wxUSE_IMAGE
 
 // ----------------------------------------------------------------------------


@@ -945,7 +845,7 @@ bool wxBitmap::LoadFile(const wxString& filename, long type)
         return handler->LoadFile(this, filename, type, -1, -1);
     }
 #if wxUSE_IMAGE
         return handler->LoadFile(this, filename, type, -1, -1);
     }
 #if wxUSE_IMAGE

-    else
+    else // no bitmap handler found

     {
         wxImage image;
         if ( image.LoadFile( filename, type ) && image.Ok() )
     {
         wxImage image;
         if ( image.LoadFile( filename, type ) && image.Ok() )


@@ -989,7 +889,7 @@ bool wxBitmap::SaveFile(const wxString& filename,
         return handler->SaveFile(this, filename, type, palette);
     }
 #if wxUSE_IMAGE
         return handler->SaveFile(this, filename, type, palette);
     }
 #if wxUSE_IMAGE

-    else
+    else // no bitmap handler found

     {
         // FIXME what about palette? shouldn't we use it?
         wxImage image = ConvertToImage();
     {
         // FIXME what about palette? shouldn't we use it?
         wxImage image = ConvertToImage();


@@ -1067,11 +967,13 @@ wxBitmap wxBitmap::GetSubBitmap( const wxRect& rect) const
 // wxBitmap accessors
 // ----------------------------------------------------------------------------
 
 // wxBitmap accessors
 // ----------------------------------------------------------------------------
 

+#if wxUSE_PALETTE

 wxPalette* wxBitmap::GetPalette() const
 {
     return GetBitmapData() ? &GetBitmapData()->m_bitmapPalette
                            : (wxPalette *) NULL;
 }
 wxPalette* wxBitmap::GetPalette() const
 {
     return GetBitmapData() ? &GetBitmapData()->m_bitmapPalette
                            : (wxPalette *) NULL;
 }

+#endif

 
 wxMask *wxBitmap::GetMask() const
 {
 
 wxMask *wxBitmap::GetMask() const
 {


@@ -1139,17 +1041,6 @@ void wxBitmap::SetMask(wxMask *mask)
     GetBitmapData()->SetMask(mask);
 }
 
     GetBitmapData()->SetMask(mask);
 }
 

-#if WXWIN_COMPATIBILITY_2
-
-void wxBitmap::SetOk(bool isOk)
-{
-    EnsureHasData();
-
-    GetBitmapData()->m_ok = isOk;
-}
-
-#endif // WXWIN_COMPATIBILITY_2
-

 #if WXWIN_COMPATIBILITY_2_4
 
 void wxBitmap::SetQuality(int WXUNUSED(quality))
 #if WXWIN_COMPATIBILITY_2_4
 
 void wxBitmap::SetQuality(int WXUNUSED(quality))


@@ -1162,41 +1053,144 @@ void wxBitmap::SetQuality(int WXUNUSED(quality))
 // raw bitmap access support
 // ----------------------------------------------------------------------------
 
 // raw bitmap access support
 // ----------------------------------------------------------------------------
 

-bool wxBitmap::GetRawData(wxRawBitmapData *data)
+#ifdef wxHAVE_RAW_BITMAP
+void *wxBitmap::GetRawData(wxPixelDataBase& data, int bpp)

 {
 {

-    wxCHECK_MSG( data, FALSE, _T("NULL pointer in wxBitmap::GetRawData") );
-
+#if wxUSE_WXDIB

     if ( !Ok() )
     {
         // no bitmap, no data (raw or otherwise)
     if ( !Ok() )
     {
         // no bitmap, no data (raw or otherwise)

-        return FALSE;
+        return NULL;
+    }
+
+    // if we're already a DIB we can access our data directly, but if not we
+    // need to convert this DDB to a DIB section and use it for raw access and
+    // then convert it back
+    HBITMAP hDIB;
+    if ( !GetBitmapData()->m_isDIB )
+    {
+        wxCHECK_MSG( !GetBitmapData()->m_dib, FALSE,
+                        _T("GetRawData() may be called only once") );
+
+        wxDIB *dib = new wxDIB(*this);
+        if ( !dib->IsOk() )
+        {
+            delete dib;
+
+            return NULL;
+        }
+
+        // we'll free it in UngetRawData()
+        GetBitmapData()->m_dib = dib;
+
+        hDIB = dib->GetHandle();
+    }
+    else // we're a DIB
+    {
+        hDIB = GetHbitmap();

     }
 
     }
 

-    // we only support raw access to the DIBs, so check if we have one

     DIBSECTION ds;
     DIBSECTION ds;

-    if ( !::GetObject(GetHbitmap(), sizeof(ds), &ds) )
+    if ( ::GetObject(hDIB, sizeof(ds), &ds) != sizeof(DIBSECTION) )

     {
     {

-        return FALSE;
+        wxFAIL_MSG( _T("failed to get DIBSECTION from a DIB?") );
+
+        return NULL;

     }
 
     }
 

-    // ok, store the relevant info in wxRawBitmapData
+    // check that the bitmap is in correct format
+    if ( ds.dsBm.bmBitsPixel != bpp )
+    {
+        wxFAIL_MSG( _T("incorrect bitmap type in wxBitmap::GetRawData()") );
+
+        return NULL;
+    }
+
+    // ok, store the relevant info in wxPixelDataBase

     const LONG h = ds.dsBm.bmHeight;
 
     const LONG h = ds.dsBm.bmHeight;
 

-    data->m_width = ds.dsBm.bmWidth;
-    data->m_height = h;
-    data->m_bypp = ds.dsBm.bmBitsPixel / 8;
+    data.m_width = ds.dsBm.bmWidth;
+    data.m_height = h;

 
     // remember that DIBs are stored in top to bottom order!
     const LONG bytesPerRow = ds.dsBm.bmWidthBytes;
 
     // remember that DIBs are stored in top to bottom order!
     const LONG bytesPerRow = ds.dsBm.bmWidthBytes;

-    data->m_stride = -bytesPerRow;
-    data->m_pixels = (unsigned char *)ds.dsBm.bmBits;
+    data.m_stride = -bytesPerRow;
+
+    char *bits = (char *)ds.dsBm.bmBits;

     if ( h > 1 )
     {
     if ( h > 1 )
     {

-        data->m_pixels += (h - 1)*bytesPerRow;
+        bits += (h - 1)*bytesPerRow;

     }
 
     }
 

-    return TRUE;
+    return bits;
+#else
+    return NULL;
+#endif
+}
+
+void wxBitmap::UngetRawData(wxPixelDataBase& dataBase)
+{
+#if wxUSE_WXDIB
+    if ( !Ok() )
+        return;
+
+    // the cast is ugly but we can't do without it and without making this
+    // function template (and hence inline) unfortunately
+    typedef wxPixelData<wxBitmap, wxAlphaPixelFormat> PixelData;
+    PixelData& data = (PixelData &)dataBase;
+
+    if ( !data )
+    {
+        // invalid data, don't crash -- but don't assert neither as we're
+        // called automatically from wxPixelDataBase dtor and so there is no
+        // way to prevent this from happening
+        return;
+    }
+
+    if ( GetBitmapData()->m_hasAlpha )
+    {
+        // AlphaBlend() wants to have premultiplied source alpha but
+        // wxRawBitmap API uses normal, not premultiplied, colours, so adjust
+        // them here now
+        PixelData::Iterator p(data);
+
+        const int w = data.GetWidth();
+        const int h = data.GetHeight();
+
+        for ( int y = 0; y < h; y++ )
+        {
+            PixelData::Iterator rowStart = p;
+
+            for ( int x = 0; x < w; x++ )
+            {
+                const unsigned alpha = p.Alpha();
+
+                p.Red() = (p.Red() * alpha + 127) / 255;
+                p.Blue() = (p.Blue() * alpha + 127) / 255;
+                p.Green() = (p.Green() * alpha + 127) / 255;
+
+                ++p;
+            }
+
+            p = rowStart;
+            p.OffsetY(data, 1);
+        }
+    }
+
+    // if we're a DDB we need to convert DIB back to DDB now to make the
+    // changes made via raw bitmap access effective
+    if ( !GetBitmapData()->m_isDIB )
+    {
+        wxDIB *dib = GetBitmapData()->m_dib;
+        GetBitmapData()->m_dib = NULL;
+
+        // TODO: convert
+
+        delete dib;
+    }
+#endif // wxUSE_WXDIB

 }
 }

+#endif // #ifdef wxHAVE_RAW_BITMAP

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


@@ -1433,14 +1427,11 @@ bool wxCreateDIB(long xSize, long ySize, long bitsPerPixel,
                  HPALETTE hPal, LPBITMAPINFO* lpDIBHeader)
 {
    unsigned long   i, headerSize;
                  HPALETTE hPal, LPBITMAPINFO* lpDIBHeader)
 {
    unsigned long   i, headerSize;

-   LPBITMAPINFO    lpDIBheader = NULL;
-   LPPALETTEENTRY  lpPe = NULL;
-

 
    // Allocate space for a DIB header
    headerSize = (sizeof(BITMAPINFOHEADER) + (256 * sizeof(PALETTEENTRY)));
 
    // Allocate space for a DIB header
    headerSize = (sizeof(BITMAPINFOHEADER) + (256 * sizeof(PALETTEENTRY)));

-   lpDIBheader = (BITMAPINFO *) malloc(headerSize);
-   lpPe = (PALETTEENTRY *)((BYTE*)lpDIBheader + sizeof(BITMAPINFOHEADER));
+   LPBITMAPINFO lpDIBheader = (BITMAPINFO *) malloc(headerSize);
+   LPPALETTEENTRY lpPe = (PALETTEENTRY *)((BYTE*)lpDIBheader + sizeof(BITMAPINFOHEADER));

 
    GetPaletteEntries(hPal, 0, 256, lpPe);
 
 
    GetPaletteEntries(hPal, 0, 256, lpPe);
 


@@ -1504,6 +1495,7 @@ HICON wxBitmapToIconOrCursor(const wxBitmap& bmp,
     }
 
     ICONINFO iconInfo;
     }
 
     ICONINFO iconInfo;

+    wxZeroMemory(iconInfo);

     iconInfo.fIcon = iconWanted;  // do we want an icon or a cursor?
     if ( !iconWanted )
     {
     iconInfo.fIcon = iconWanted;  // do we want an icon or a cursor?
     if ( !iconWanted )
     {


@@ -1580,8 +1572,8 @@ HBITMAP wxInvertMask(HBITMAP hbmpMask, int w, int h)
         wxLogLastError(wxT("CreateBitmap"));
     }
 
         wxLogLastError(wxT("CreateBitmap"));
     }
 

-    ::SelectObject(hdcSrc, hbmpMask);
-    ::SelectObject(hdcDst, hbmpInvMask);
+    HGDIOBJ srcTmp = ::SelectObject(hdcSrc, hbmpMask);
+    HGDIOBJ dstTmp = ::SelectObject(hdcDst, hbmpInvMask);

     if ( !::BitBlt(hdcDst, 0, 0, w, h,
                    hdcSrc, 0, 0,
                    NOTSRCCOPY) )
     if ( !::BitBlt(hdcDst, 0, 0, w, h,
                    hdcSrc, 0, 0,
                    NOTSRCCOPY) )


@@ -1589,6 +1581,10 @@ HBITMAP wxInvertMask(HBITMAP hbmpMask, int w, int h)
         wxLogLastError(wxT("BitBlt"));
     }
 
         wxLogLastError(wxT("BitBlt"));
     }
 

+    // Deselect objects
+    SelectObject(hdcSrc,srcTmp);
+    SelectObject(hdcDst,dstTmp);
+    

     ::DeleteDC(hdcSrc);
     ::DeleteDC(hdcDst);
 
     ::DeleteDC(hdcSrc);
     ::DeleteDC(hdcDst);