removed asserts to suppress gcc 3.4 warnings about condition being always true

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

diff --git a/src/msw/bitmap.cpp b/src/msw/bitmap.cpp
index 0e5ab48c9f1aaea1efd86178c43dce87a7400915..f0c834bb24d19958eb2bf1d95687e426d30ffb1f 100644 (file)
--- a/src/msw/bitmap.cpp
+++ b/src/msw/bitmap.cpp
@@ -141,32 +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)
-{
-#if wxUSE_WXDIB
-    // 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));
-#else
-    return FALSE;
-#endif
-}
+//
+// 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


@@ -275,13 +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)


@@ -291,47 +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;
-
-    return TRUE;
-#else // Win32

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

-#endif // Win16/Win32

 }
 
 }
 

-#if wxUSE_WXDIB
+#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();
 


@@ -356,7 +337,8 @@ bool wxBitmap::CopyFromDIB(const wxDIB& dib)
 
     return TRUE;
 }
 
     return TRUE;
 }

-#endif
+
+#endif // NEVER_USE_DIB

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


@@ -429,7 +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();


@@ -496,9 +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);

 
 

-#if wxUSE_WXDIB
+#ifndef NEVER_USE_DIB

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


@@ -518,13 +504,9 @@ bool wxBitmap::DoCreate(int w, int h, int d, WXHDC hdc)
         GetBitmapData()->m_depth = d;
     }
     else // create a DDB
         GetBitmapData()->m_depth = d;
     }
     else // create a DDB

-#endif
+#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 )
         {


@@ -533,8 +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;


@@ -546,6 +530,7 @@ 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);


@@ -746,6 +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);


@@ -759,9 +746,8 @@ 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)

 {
 {

-#if wxUSE_WXDIB

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


@@ -785,7 +771,7 @@ 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?
     //


@@ -798,12 +784,14 @@ bool wxBitmap::CreateFromImage(const wxImage& image, int depth, WXHDC hdc )
         refData->m_isDIB = TRUE;
         refData->m_depth = dib.GetDepth();
     }
         refData->m_isDIB = TRUE;
         refData->m_depth = dib.GetDepth();
     }

+#ifndef ALWAYS_USE_DIB

     else // we need to convert DIB to DDB
     {
         hbitmap = dib.CreateDDB((HDC)hdc);
 
     else // we need to convert DIB to DDB
     {
         hbitmap = dib.CreateDDB((HDC)hdc);
 

-        refData->m_depth = depth == -1 ? wxDisplayDepth() : depth;
+        refData->m_depth = depth == -1 ? dib.GetDepth() : depth;

     }
     }

+#endif // !ALWAYS_USE_DIB

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


@@ -817,306 +805,96 @@ bool wxBitmap::CreateFromImage(const wxImage& image, int depth, WXHDC hdc )
     }
 
     return TRUE;
     }
 
     return TRUE;

-#else
-    // FIXME: wxWinCE doesn't support wxDIB yet
-    return FALSE;
-#endif

 }
 
 wxImage wxBitmap::ConvertToImage() const
 {
 }
 
 wxImage wxBitmap::ConvertToImage() const
 {

-    // FIXME: this is untested code for WinCE, and
-    // the mask is not yet handled.
-    // For tips, see:
-    // http://www.codeproject.com/bitmap/dibsection.asp?print=true
-
-#ifdef __WXWINCE__
-    // 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;
-
-    wxImage image;
+    wxDIB dib(*this);

 
 

-    wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
-
-    // 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 is allocated by CreateDIBSection
-    void *lpBits = NULL;
-
-    // copy data from the device-dependent bitmap to the DIB
-    HDC hdc = ::GetDC(NULL);
-    HBITMAP hBitmap = (HBITMAP) GetHBITMAP();
-
-    HBITMAP hBitmapSection = ::CreateDIBSection( hdc, lpDIBh, DIB_RGB_COLORS, & lpBits, NULL, 0 );
-    if (!hBitmapSection)
+    if ( !dib.IsOk() )

     {
     {

-        wxFAIL_MSG( wxT("could not create a DIB section") );

         return wxNullImage;
     }
 
         return wxNullImage;
     }
 

-    // Copy the image from the DDB to the DIBSection
-    // Need to copy the supplied bitmap onto the newly created DIBsection
-    HDC hMemDC = CreateCompatibleDC(hdc);
-       HDC hCopyDC = CreateCompatibleDC(hdc);
-       
-    if (! hMemDC || ! hCopyDC) 
+    wxImage image = dib.ConvertToImage();
+    if ( !image.Ok() )

     {
     {

-        wxFAIL_MSG( wxT("unable to create compatible DCs") );

         return wxNullImage;
     }
 
         return wxNullImage;
     }
 

-#if 0
-    if (m_hPal)
-    {
-        SelectPalette(hMemDC, m_hPal, FALSE);   RealizePalette(hMemDC);
-        SelectPalette(hCopyDC, m_hPal, FALSE);  RealizePalette(hCopyDC);
-    }
-#endif
-
-    HBITMAP hOldMemBitmap  = (HBITMAP) SelectObject(hMemDC,  hBitmap);
-    HBITMAP hOldCopyBitmap = (HBITMAP) SelectObject(hCopyDC, hBitmapSection);
-
-    BitBlt(hCopyDC, 0, 0, GetWidth(), GetHeight(), hMemDC, 0, 0, SRCCOPY);
+    // set mask

 
 

-    SelectObject(hMemDC,  hOldMemBitmap);
-    SelectObject(hCopyDC, hOldCopyBitmap);
-    DeleteDC(hMemDC);
-    DeleteDC(hCopyDC);
+    // TODO: WinCE mask-copying support and use wxDIB
+#ifndef __WXWINCE__

 
 

-#if 0
-    if (m_hPal)
+    if( GetMask() && GetMask()->GetMaskBitmap() )

     {
     {

-               HGDIOBJ hObj = ::GetStockObject(DEFAULT_PALETTE);
-        SelectObject(hMemDC, hObj);
-        SelectObject(hCopyDC, hObj);
-    }
-#endif
+        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;

 
 

-       ReleaseDC(NULL, hdc);
+        HBITMAP hbitmap = (HBITMAP) GetMask()->GetMaskBitmap();
+        int width = GetWidth();
+        int height = GetHeight();

 
 

-    // copy DIB data into the wxImage object
-    int i, j;
-    unsigned char *ptdata = data;
-    unsigned char *ptbits = (unsigned char*) lpBits;
-    for( i=0; i<height; i++ )
-    {
-        for( j=0; j<width; j++ )
+        int bytesPerLine = width*3;
+        int sizeDWORD = sizeof( DWORD );
+        int lineBoundary =  bytesPerLine % sizeDWORD;
+        int padding = 0;
+        if( lineBoundary > 0 )

         {
         {

-            *(ptdata++) = *(ptbits+2);
-            *(ptdata++) = *(ptbits+1);
-            *(ptdata++) = *(ptbits  );
-            ptbits += 3;
+            padding = sizeDWORD - lineBoundary;
+            bytesPerLine += padding;

         }
         }

-        ptbits += padding;
-    }

 
 

-    // TODO
-#if 0
-    // similarly, set data according to the possible mask bitmap
-    if( GetMask() && GetMask()->GetMaskBitmap() )
-    {
-        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 );
-        ptdata = data;
-        ptbits = lpBits;
-        for( i=0; i<height; i++ )
+        // create a DIB header
+        int headersize = sizeof(BITMAPINFOHEADER);
+        BITMAPINFO *lpDIBh = (BITMAPINFO *) malloc( headersize );
+        if( !lpDIBh )

         {
         {

-            for( j=0; j<width; j++ )
-            {
-                // is this pixel transparent?
-                if ( *ptbits != 0 )
-                {
-                    if ( (ptdata[0] == MASK_RED) &&
-                            (ptdata[1] == MASK_GREEN) &&
-                                (ptdata[2] == MASK_BLUE) )
-                    {
-                        // we have to fudge the colour a bit to prevent this
-                        // pixel from appearing transparent
-                        ptdata[2] = MASK_BLUE_REPLACEMENT;
-                    }
-                    ptdata += 3;
-                }
-                else // masked pixel
-                {
-                    *(ptdata++)  = MASK_RED;
-                    *(ptdata++)  = MASK_GREEN;
-                    *(ptdata++)  = MASK_BLUE;
-                }
-                ptbits += 3;
-            }
-            ptbits += padding;
+            wxFAIL_MSG( wxT("could not allocate data for DIB header") );
+            //free( data );
+            return wxNullImage;

         }
 
         }
 

-        image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
-        image.SetMask( TRUE );
-    }
-    else
-#endif
-    {
-        image.SetMask( FALSE );
-    }
-
-    // free allocated resources
-    ::ReleaseDC(NULL, hdc);
-    free(lpDIBh);
-
-    // Delete the DIB section
-    ::DeleteObject(hBitmapSection);
-
-    return image;
-#else
-    // 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;
+        // Fill in the DIB header
+        lpDIBh->bmiHeader.biSize = headersize;
+        lpDIBh->bmiHeader.biWidth = width;
+        lpDIBh->bmiHeader.biHeight = -height;
+        lpDIBh->bmiHeader.biSizeImage = bytesPerLine * 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;

 
 

-    wxImage image;
-
-    wxCHECK_MSG( Ok(), wxNullImage, wxT("invalid bitmap") );
-
-    // 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 );
+        // memory DC created, color set, data copied, and memory DC deleted

 
 

-    // 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++ )
+        // memory for DIB data
+        unsigned char *lpBits
+            = (unsigned char *) malloc( lpDIBh->bmiHeader.biSizeImage );
+        if( !lpBits )

         {
         {

-            *(ptdata++) = *(ptbits+2);
-            *(ptdata++) = *(ptbits+1);
-            *(ptdata++) = *(ptbits  );
-            ptbits += 3;
+            wxFAIL_MSG( wxT("could not allocate data for DIB") );
+            free( lpDIBh );
+            return wxNullImage;

         }
         }

-        ptbits += padding;
-    }

 
 

-    // similarly, set data according to the possible mask bitmap
-    if( GetMask() && GetMask()->GetMaskBitmap() )
-    {
-        hbitmap = (HBITMAP) GetMask()->GetMaskBitmap();
-        // memory DC created, color set, data copied, and memory DC deleted
+
+        HDC hdc = ::GetDC(NULL);
+

         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 );
         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 );

-        ptdata = data;
-        ptbits = lpBits;
+        unsigned char *ptdata = image.GetData();//data;
+        unsigned char *ptbits = lpBits;
+        int i, j;

         for( i=0; i<height; i++ )
         {
             for( j=0; j<width; j++ )
         for( i=0; i<height; i++ )
         {
             for( j=0; j<width; j++ )


@@ -1146,21 +924,20 @@ wxImage wxBitmap::ConvertToImage() const
         }
 
         image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );
         }
 
         image.SetMaskColour( MASK_RED, MASK_GREEN, MASK_BLUE );

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

     }
     }

-    // free allocated resources
-    ::ReleaseDC(NULL, hdc);
-    free(lpDIBh);
-    free(lpBits);
+#endif // __WXWINCE__

 
     return image;
 
     return image;

-#endif

 }
 
 }
 

+#endif // wxUSE_WXDIB
+

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


@@ -1180,7 +957,7 @@ 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() )


@@ -1224,7 +1001,7 @@ 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();


@@ -1510,20 +1287,20 @@ void wxBitmap::UngetRawData(wxPixelDataBase& dataBase)
             p = rowStart;
             p.OffsetY(data, 1);
         }
             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;
+    // 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
+        // TODO: convert

 
 

-            delete dib;
-        }
+        delete dib;

     }
     }

-#endif
+#endif // wxUSE_WXDIB

 }
 #endif // #ifdef wxHAVE_RAW_BITMAP
 
 }
 #endif // #ifdef wxHAVE_RAW_BITMAP
 


@@ -1762,14 +1539,11 @@ 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);
 


@@ -1910,8 +1684,8 @@ 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) )


@@ -1919,6 +1693,10 @@ 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);