- size_t len = m_dataObjectLast->GetDataSize();
-
- m_dataObjectLast->GetDataHere(url.GetWriteBuf(len));
- url.UngetWriteBuf();
-
- return url;
-}
-
-void wxURLDataObject::SetURL(const wxString& url)
-{
- SetData(wxDataFormat(wxUSE_UNICODE ? wxDF_UNICODETEXT : wxDF_TEXT),
- url.Length()+1, url.c_str());
-
- // CFSTR_SHELLURL is always supposed to be ANSI...
- wxWX2MBbuf urlA = (wxWX2MBbuf)url.mbc_str();
- size_t len = strlen(urlA);
- SetData(wxDataFormat(CFSTR_SHELLURL), len+1, (const char*)urlA);
-}
-
-// ----------------------------------------------------------------------------
-// private functions
-// ----------------------------------------------------------------------------
-
-static size_t wxGetNumOfBitmapColors(size_t bitsPerPixel)
-{
- switch ( bitsPerPixel )
- {
- case 1:
- // monochrome bitmap, 2 entries
- return 2;
-
- case 4:
- return 16;
-
- case 8:
- return 256;
-
- case 24:
- // may be used with 24bit bitmaps, but we don't use it here - fall
- // through
-
- case 16:
- case 32:
- // bmiColors not used at all with these bitmaps
- return 0;
-
- default:
- wxFAIL_MSG( wxT("unknown bitmap format") );
- return 0;
- }
-}
-
-size_t wxConvertBitmapToDIB(LPBITMAPINFO pbi, const wxBitmap& bitmap)
-{
- wxASSERT_MSG( bitmap.Ok(), wxT("invalid bmp can't be converted to DIB") );
-
- // shouldn't be selected into a DC or GetDIBits() would fail
- wxASSERT_MSG( !bitmap.GetSelectedInto(),
- wxT("can't copy bitmap selected into wxMemoryDC") );
-
- // prepare all the info we need
- BITMAP bm;
- HBITMAP hbmp = (HBITMAP)bitmap.GetHBITMAP();
- if ( !GetObject(hbmp, sizeof(bm), &bm) )
- {
- wxLogLastError(wxT("GetObject(bitmap)"));
-
- return 0;
- }
-
- // calculate the number of bits per pixel and the number of items in
- // bmiColors array (whose meaning depends on the bitmap format)
- WORD biBits = bm.bmPlanes * bm.bmBitsPixel;
- WORD biColors = (WORD)wxGetNumOfBitmapColors(biBits);
-
- BITMAPINFO bi2;
-
- bool wantSizeOnly = pbi == NULL;
- if ( wantSizeOnly )
- pbi = &bi2;
-
- // just for convenience
- BITMAPINFOHEADER& bi = pbi->bmiHeader;
-
- bi.biSize = sizeof(BITMAPINFOHEADER);
- bi.biWidth = bm.bmWidth;
- bi.biHeight = bm.bmHeight;
- bi.biPlanes = 1;
- bi.biBitCount = biBits;
- bi.biCompression = BI_RGB;
- bi.biSizeImage = 0;
- bi.biXPelsPerMeter = 0;
- bi.biYPelsPerMeter = 0;
- bi.biClrUsed = 0;
- bi.biClrImportant = 0;
-
- // memory we need for BITMAPINFO only
- DWORD dwLen = bi.biSize + biColors * sizeof(RGBQUAD);
-
- // first get the image size
- ScreenHDC hdc;
- if ( !GetDIBits(hdc, hbmp, 0, bi.biHeight, NULL, pbi, DIB_RGB_COLORS) )
projects / wxWidgets.git / blobdiff