void wxIcon::CopyFromBitmap(const wxBitmap& bmp)
{
#ifndef __WXMICROWIN__
HICON hicon = wxBitmapToHICON(bmp);
if ( !hicon )
{
wxLogLastError(wxT("CreateIconIndirect"));
}
else
{
SetHICON((WXHICON)hicon);
SetSize(bmp.GetWidth(), bmp.GetHeight());
}
#endif // __WXMICROWIN__
}
void wxIcon::CopyFromBitmap(
const wxBitmap& rBmp
)
{
wxMask* pMask = rBmp.GetMask();
HBITMAP hBmp = NULLHANDLE;
HBITMAP hBmpMask = NULLHANDLE;
HBITMAP hOldBitmap = NULLHANDLE;
ERRORID vError;
wxString sError;
LONG lHits;
if (!pMask)
{
//
// We must have a mask for an icon, so even if it's probably incorrect,
// do create it (grey is the "standard" transparent colour)
//
pMask = new wxMask( rBmp
,*wxLIGHT_GREY
);
}
BITMAPINFOHEADER2 vHeader;
SIZEL vSize = {0, 0};
DEVOPENSTRUC vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
HDC hDCSrc = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
HDC hDCDst = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
HPS hPSSrc = ::GpiCreatePS(vHabmain, hDCSrc, &vSize, PU_PELS | GPIA_ASSOC);
HPS hPSDst = ::GpiCreatePS(vHabmain, hDCDst, &vSize, PU_PELS | GPIA_ASSOC);
POINTL vPoint[4] = { {0, 0}, {rBmp.GetWidth(), rBmp.GetHeight()},
{0, 0}, {rBmp.GetWidth(), rBmp.GetHeight()}
};
POINTL vPointMask[4] = { {0, 0}, {rBmp.GetWidth(), rBmp.GetHeight() * 2},
{0, 0}, {rBmp.GetWidth(), rBmp.GetHeight()}
};
POINTERINFO vIconInfo;
memset(&vIconInfo, '\0', sizeof(POINTERINFO));
vIconInfo.fPointer = FALSE; // we want an icon, not a pointer
memset(&vHeader, '\0', 16);
vHeader.cbFix = 16;
vHeader.cx = (ULONG)rBmp.GetWidth();
vHeader.cy = (ULONG)rBmp.GetHeight();
vHeader.cPlanes = 1L;
vHeader.cBitCount = 24;
hBmp = ::GpiCreateBitmap( hPSDst
,&vHeader
,0L
,NULL
,NULL
);
if ((hOldBitmap = ::GpiSetBitmap(hPSDst, hBmp)) == HBM_ERROR)
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
}
if ((hOldBitmap = ::GpiSetBitmap(hPSSrc, (HBITMAP)rBmp.GetHBITMAP())) == HBM_ERROR)
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
}
if ((lHits = ::GpiBitBlt( hPSDst
,hPSSrc
,4L
,vPoint
,ROP_SRCCOPY
,BBO_IGNORE
)) == GPI_ERROR)
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
}
if ((hOldBitmap = ::GpiSetBitmap(hPSDst, NULLHANDLE)) == HBM_ERROR)
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
}
if ((hOldBitmap = ::GpiSetBitmap(hPSSrc, NULLHANDLE)) == HBM_ERROR)
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
}
vIconInfo.hbmColor = hBmp;
vHeader.cy = (ULONG)rBmp.GetHeight() * 2;
hBmpMask = ::GpiCreateBitmap( hPSDst
,&vHeader
,0L
,NULL
,NULL
);
if ((hOldBitmap = ::GpiSetBitmap(hPSDst, hBmpMask)) == HBM_ERROR)
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
}
if ((hOldBitmap = ::GpiSetBitmap(hPSSrc, (HBITMAP)pMask->GetMaskBitmap())) == HBM_ERROR)
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
}
if ((lHits = ::GpiBitBlt( hPSDst
,hPSSrc
,4L
,vPointMask
,ROP_SRCCOPY
,BBO_IGNORE
)) == GPI_ERROR)
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
}
if ((hOldBitmap = ::GpiSetBitmap(hPSSrc, NULLHANDLE)) == HBM_ERROR)
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
}
if ((hOldBitmap = ::GpiSetBitmap(hPSDst, NULLHANDLE)) == HBM_ERROR)
{
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
}
vIconInfo.hbmPointer = hBmpMask;
HICON hIcon = ::WinCreatePointerIndirect( HWND_DESKTOP
,&vIconInfo
);
if (!hIcon)
{
wxLogLastError(wxT("WinCreatePointerIndirect"));
vError = ::WinGetLastError(vHabmain);
sError = wxPMErrorToStr(vError);
}
else
{
SetHICON((WXHICON)hIcon);
SetSize( rBmp.GetWidth()
,rBmp.GetHeight()
);
}
if (!rBmp.GetMask())
{
//
// We created the mask, now delete it
//
delete pMask;
}
::GpiSetBitmap(hPSSrc, NULL);
::GpiSetBitmap(hPSDst, NULL);
::GpiDestroyPS(hPSSrc);
::GpiDestroyPS(hPSDst);
::DevCloseDC(hDCSrc);
::DevCloseDC(hDCDst);
} // end of wxIcon::CopyFromBitmap
