+ else
+ {
+ // just make a black mask all over:
+ mask = image->Copy();
+ int i, j;
+ for (i = 0; i < mask.GetWidth(); i++)
+ for (j = 0; j < mask.GetHeight(); j++)
+ mask.SetRGB(i, j, 0, 0, 0 );
+ }
+ // Set the formats for image and mask
+ // (Windows never saves with more than 8 colors):
+ image->SetOption(wxIMAGE_OPTION_BMP_FORMAT, wxBMP_8BPP);
+
+ // monochome bitmap:
+ mask.SetOption(wxIMAGE_OPTION_BMP_FORMAT, wxBMP_1BPP_BW);
+ bool IsBmp = false;
+ bool IsMask = false;
+
+ //calculate size and offset of image and mask
+ wxCountingOutputStream cStream;
+ bool bResult = SaveDib(image, cStream, verbose, IsBmp, IsMask);
+ if ( !bResult )
+ {
+ if ( verbose )
+ {
+ wxLogError(_("ICO: Error writing the image file!"));
+ }
+ return false;
+ }
+ IsMask = true;
+
+ bResult = SaveDib(&mask, cStream, verbose, IsBmp, IsMask);
+ if ( !bResult )
+ {
+ if ( verbose )
+ {
+ wxLogError(_("ICO: Error writing the image file!"));
+ }
+ return false;
+ }
+ wxUint32 Size = cStream.GetSize();
+
+ // wxCountingOutputStream::IsOk() always returns true for now and this
+ // "if" provokes VC++ warnings in optimized build
+#if 0
+ if ( !cStream.Ok() )
+ {
+ if ( verbose )
+ {
+ wxLogError(_("ICO: Error writing the image file!"));
+ }
+ return false;
+ }
+#endif // 0
+
+ offset = offset + sizeof(ICONDIRENTRY);
+
+ icondirentry.bWidth = (wxUint8)image->GetWidth();
+ icondirentry.bHeight = (wxUint8)(2 * image->GetHeight());
+ icondirentry.bColorCount = 0;
+ icondirentry.bReserved = 0;
+ icondirentry.wPlanes = wxUINT16_SWAP_ON_BE(1);
+ icondirentry.wBitCount = wxUINT16_SWAP_ON_BE(wxBMP_8BPP);
+ if ( type == 2 /*CUR*/)
+ {
+ int hx = image->HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_X) ?
+ image->GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_X) :
+ image->GetWidth() / 2;
+ int hy = image->HasOption(wxIMAGE_OPTION_CUR_HOTSPOT_Y) ?
+ image->GetOptionInt(wxIMAGE_OPTION_CUR_HOTSPOT_Y) :
+ image->GetHeight() / 2;
+
+ // actually write the values of the hot spot here:
+ icondirentry.wPlanes = wxUINT16_SWAP_ON_BE((wxUint16)hx);
+ icondirentry.wBitCount = wxUINT16_SWAP_ON_BE((wxUint16)hy);
+ }
+ icondirentry.dwBytesInRes = wxUINT32_SWAP_ON_BE(Size);
+ icondirentry.dwImageOffset = wxUINT32_SWAP_ON_BE(offset);
+
+ // increase size to allow for the data written:
+ offset += Size;
+
+ // write to stream:
+ stream.Write(&icondirentry.bWidth, sizeof(icondirentry.bWidth));
+ stream.Write(&icondirentry.bHeight, sizeof(icondirentry.bHeight));
+ stream.Write(&icondirentry.bColorCount, sizeof(icondirentry.bColorCount));
+ stream.Write(&icondirentry.bReserved, sizeof(icondirentry.bReserved));
+ stream.Write(&icondirentry.wPlanes, sizeof(icondirentry.wPlanes));
+ stream.Write(&icondirentry.wBitCount, sizeof(icondirentry.wBitCount));
+ stream.Write(&icondirentry.dwBytesInRes, sizeof(icondirentry.dwBytesInRes));
+ stream.Write(&icondirentry.dwImageOffset, sizeof(icondirentry.dwImageOffset));
+ if ( !stream.IsOk() )
+ {
+ if ( verbose )
+ {
+ wxLogError(_("ICO: Error writing the image file!"));
+ }
+ return false;
+ }
+
+ // actually save it:
+ IsMask = false;
+ bResult = SaveDib(image, stream, verbose, IsBmp, IsMask);
+ if ( !bResult )
+ {
+ if ( verbose )
+ {
+ wxLogError(_("ICO: Error writing the image file!"));
+ }
+ return false;
+ }
+ IsMask = true;
+
+ bResult = SaveDib(&mask, stream, verbose, IsBmp, IsMask);
+ if ( !bResult )
+ {
+ if ( verbose )
+ {
+ wxLogError(_("ICO: Error writing the image file!"));
+ }
+ return false;
+ }
+
+ } // end of for loop
+
+ return true;
+}
+
+bool wxICOHandler::LoadFile(wxImage *image, wxInputStream& stream,
+ bool verbose, int index)
+{
+ return DoLoadFile(image, stream, verbose, index);
+}
+
+bool wxICOHandler::DoLoadFile(wxImage *image, wxInputStream& stream,
+ bool WXUNUSED(verbose), int index)
+{
+ bool bResult wxDUMMY_INITIALIZE(false);
+ bool IsBmp = false;
+
+ ICONDIR IconDir;
+
+ stream.Read(&IconDir, sizeof(IconDir));
+ wxUint16 nIcons = wxUINT16_SWAP_ON_BE(IconDir.idCount);
+
+ // nType is 1 for Icons, 2 for Cursors:
+ wxUint16 nType = wxUINT16_SWAP_ON_BE(IconDir.idType);
+
+ // loop round the icons and choose the best one:
+ ICONDIRENTRY *pIconDirEntry = new ICONDIRENTRY[nIcons];
+ ICONDIRENTRY *pCurrentEntry = pIconDirEntry;
+ int wMax = 0;
+ int colmax = 0;
+ int iSel = wxNOT_FOUND;
+
+ // remember how many bytes we read from the stream:
+ wxFileOffset alreadySeeked = sizeof(IconDir);
+
+ for (unsigned int i = 0; i < nIcons; i++ )
+ {
+ alreadySeeked += stream.Read(pCurrentEntry, sizeof(ICONDIRENTRY)).LastRead();
+
+ // bHeight and bColorCount are wxUint8
+ if ( pCurrentEntry->bWidth >= wMax )
+ {
+ // see if we have more colors, ==0 indicates > 8bpp:
+ if ( pCurrentEntry->bColorCount == 0 )
+ pCurrentEntry->bColorCount = 255;
+ if ( pCurrentEntry->bColorCount >= colmax )
+ {
+ iSel = i;
+ wMax = pCurrentEntry->bWidth;
+ colmax = pCurrentEntry->bColorCount;
+ }
+ }
+
+ pCurrentEntry++;
+ }
+
+ if ( index != -1 )
+ {
+ // VS: Note that we *have* to run the loop above even if index != -1, because
+ // it reads ICONDIRENTRies.
+ iSel = index;
projects / wxWidgets.git / blobdiff