// From IDataObject
STDMETHODIMP ZDragClip_Win_DataObject::GetData(FORMATETC* iRequestedFORMATETC, STGMEDIUM* oSTGMEDIUM)
{
ZAssertStop(1, iRequestedFORMATETC && oSTGMEDIUM);
if (iRequestedFORMATETC->tymed & TYMED_HGLOBAL)
{
bool isString;
string theRequestedMIME;
if (ZDragClipManager::sGet()->LookupCLIPFORMAT(iRequestedFORMATETC->cfFormat, theRequestedMIME, isString))
{
ZTuple::const_iterator iter = fTuple.IteratorOf(theRequestedMIME);
if (iter != fTuple.end())
{
ZType propertyType = fTuple.TypeOf(iter);
if (propertyType == eZType_Raw)
{
const void* theAddress;
size_t theSize;
fTuple.GetRawAttributes(iter, &theAddress, &theSize);
HGLOBAL theHGLOBAL = ::GlobalAlloc(0, theSize);
void* globalPtr = ::GlobalLock(theHGLOBAL);
ZBlockCopy(theAddress, globalPtr, theSize);
::GlobalUnlock(theHGLOBAL);
oSTGMEDIUM->tymed = TYMED_HGLOBAL;
oSTGMEDIUM->hGlobal = theHGLOBAL;
oSTGMEDIUM->pUnkForRelease = nil;
return NOERROR;
}
else if (propertyType == eZType_String)// && iRequestedFORMATETC->cfFormat == CF_TEXT)
{
string theString = fTuple.GetString(iter);
size_t theSize = theString.size();
HGLOBAL theHGLOBAL = ::GlobalAlloc(0, theSize + 1);
void* globalPtr = ::GlobalLock(theHGLOBAL);
if (theSize)
ZBlockCopy(theString.data(), globalPtr, theSize);
reinterpret_cast<char*>(globalPtr)[theSize] = 0;
::GlobalUnlock(theHGLOBAL);
oSTGMEDIUM->tymed = TYMED_HGLOBAL;
oSTGMEDIUM->hGlobal = theHGLOBAL;
oSTGMEDIUM->pUnkForRelease = nil;
return NOERROR;
}
}
}
}
return E_FAIL;
}
void StreamW_Chunk::Imp_Write(const void* iSource, size_t iCount, size_t* oCountWritten)
{
const uint8* localSource = reinterpret_cast<const uint8*>(iSource);
while (iCount)
{
if (fBufferUsed == 255)
this->Internal_Flush();
size_t countToCopy = min(iCount, size_t(255 - fBufferUsed));
ZBlockCopy(localSource, fBuffer + fBufferUsed, countToCopy);
fBufferUsed += countToCopy;
iCount -= countToCopy;
localSource += countToCopy;
}
if (oCountWritten)
*oCountWritten = localSource - reinterpret_cast<const uint8*>(iSource);
}
