-#if 0
- pixel_format_t *pf = bmp.GetMGLbitmap_t()->pf;
-
- if ( pf->redAdjust == 0 && pf->greenAdjust == 0 && pf->blueAdjust == 0 )
- return clr;
- else
- return wxColour((unsigned char)((clr.Red() >> pf->redAdjust) << pf->redAdjust),
- (unsigned char)((clr.Green() >> pf->greenAdjust) << pf->greenAdjust),
- (unsigned char)((clr.Blue() >> pf->blueAdjust) << pf->blueAdjust));
-#endif
-}
-
-
-//-----------------------------------------------------------------------------
-// wxMask
-//-----------------------------------------------------------------------------
-
-IMPLEMENT_DYNAMIC_CLASS(wxMask, wxObject)
-
-wxMask::wxMask() : m_bitmap(NULL)
-{
-}
-
-wxMask::wxMask(const wxBitmap& bitmap)
- : m_bitmap(NULL)
-{
- Create(bitmap);
-}
-
-wxMask::wxMask(const wxBitmap& bitmap, const wxColour& colour)
- : m_bitmap(NULL)
-{
- Create(bitmap, colour);
-}
-
-#if wxUSE_PALETTE
-wxMask::wxMask(const wxBitmap& bitmap, int paletteIndex)
- : m_bitmap(NULL)
-{
- Create(bitmap, paletteIndex);
-}
-#endif // wxUSE_PALETTE
-
-wxMask::wxMask(const wxMask& mask)
-{
- m_bitmap = mask.m_bitmap ? new wxBitmap(*mask.m_bitmap) : NULL;
-}
-
-wxMask::~wxMask()
-{
- delete m_bitmap;
-}
-
-#warning "move this to common code"
-bool wxMask::Create(const wxBitmap& bitmap, const wxColour& colour)
-{
- delete m_bitmap;
- m_bitmap = NULL;
-
- wxColour clr(wxQuantizeColour(colour, bitmap));
-
- wxImage imgSrc(bitmap.ConvertToImage());
- imgSrc.SetMask(false);
- wxImage image(imgSrc.ConvertToMono(clr.Red(), clr.Green(), clr.Blue()));
- if ( !image.Ok() )
- return false;
-
- m_bitmap = new wxBitmap(image, 1);
-
- return m_bitmap->Ok();
-}
-
-#if wxUSE_PALETTE
-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);
+ wxCHECK_MSG( image.Ok(), NULL, _T("invalid image") );
+ // FIXME_DFB: implement alpha handling by merging alpha buffer with RGB
+ // into a temporary RGBA surface
+ wxCHECK_MSG( !image.HasAlpha(), NULL, _T("alpha channel not supported") );