static HRESULT WINAPI MetadataHandler_GetValueByIndex(IWICMetadataWriter *iface,
UINT index, PROPVARIANT *schema, PROPVARIANT *id, PROPVARIANT *value)
{
HRESULT hr = S_OK;
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
TRACE("%p,%u,%p,%p,%p\n", iface, index, schema, id, value);
EnterCriticalSection(&This->lock);
if (index >= This->item_count)
{
LeaveCriticalSection(&This->lock);
return E_INVALIDARG;
}
if (schema)
hr = PropVariantCopy(schema, &This->items[index].schema);
if (SUCCEEDED(hr) && id)
hr = PropVariantCopy(id, &This->items[index].id);
if (SUCCEEDED(hr) && value)
hr = PropVariantCopy(value, &This->items[index].value);
LeaveCriticalSection(&This->lock);
return hr;
}
static HRESULT WINAPI MetadataHandler_GetValue(IWICMetadataWriter *iface,
const PROPVARIANT *schema, const PROPVARIANT *id, PROPVARIANT *value)
{
UINT i;
HRESULT hr = WINCODEC_ERR_PROPERTYNOTFOUND;
MetadataHandler *This = impl_from_IWICMetadataWriter(iface);
TRACE("(%p,%p,%p,%p)\n", iface, schema, id, value);
if (!id) return E_INVALIDARG;
EnterCriticalSection(&This->lock);
for (i = 0; i < This->item_count; i++)
{
if (schema && This->items[i].schema.vt != VT_EMPTY)
{
if (propvar_cmp(schema, &This->items[i].schema) != 0) continue;
}
if (propvar_cmp(id, &This->items[i].id) != 0) continue;
hr = value ? PropVariantCopy(value, &This->items[i].value) : S_OK;
break;
}
LeaveCriticalSection(&This->lock);
return hr;
}
static HRESULT WINAPI MetadataHandlerEnum_Next(IWICEnumMetadataItem *iface,
ULONG celt, PROPVARIANT *rgeltSchema, PROPVARIANT *rgeltId,
PROPVARIANT *rgeltValue, ULONG *pceltFetched)
{
MetadataHandlerEnum *This = impl_from_IWICEnumMetadataItem(iface);
ULONG new_index;
HRESULT hr=S_FALSE;
int i;
TRACE("(%p,%i)\n", iface, celt);
EnterCriticalSection(&This->parent->lock);
if (This->index >= This->parent->item_count)
{
*pceltFetched = 0;
LeaveCriticalSection(&This->parent->lock);
return S_FALSE;
}
new_index = min(This->parent->item_count, This->index + celt);
*pceltFetched = new_index - This->index;
if (rgeltSchema)
{
for (i=0; SUCCEEDED(hr) && i < *pceltFetched; i++)
hr = PropVariantCopy(&rgeltSchema[i], &This->parent->items[i+This->index].schema);
}
for (i=0; SUCCEEDED(hr) && i < *pceltFetched; i++)
hr = PropVariantCopy(&rgeltId[i], &This->parent->items[i+This->index].id);
if (rgeltValue)
{
for (i=0; SUCCEEDED(hr) && i < *pceltFetched; i++)
hr = PropVariantCopy(&rgeltValue[i], &This->parent->items[i+This->index].value);
}
if (SUCCEEDED(hr))
{
This->index = new_index;
}
LeaveCriticalSection(&This->parent->lock);
return hr;
}
/******************************************************************
* PropVariantChangeType (PROPSYS.@)
*/
HRESULT WINAPI PropVariantChangeType(PROPVARIANT *ppropvarDest, REFPROPVARIANT propvarSrc,
PROPVAR_CHANGE_FLAGS flags, VARTYPE vt)
{
HRESULT hr;
FIXME("(%p, %p, %d, %d, %d): semi-stub!\n", ppropvarDest, propvarSrc,
propvarSrc->vt, flags, vt);
if(vt == propvarSrc->vt)
return PropVariantCopy(ppropvarDest, propvarSrc);
switch (vt)
{
case VT_I2:
{
SHORT res;
hr = PropVariantToInt16(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_I2;
ppropvarDest->u.iVal = res;
}
return hr;
}
case VT_UI2:
{
USHORT res;
hr = PropVariantToUInt16(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_UI2;
ppropvarDest->u.uiVal = res;
}
return hr;
}
case VT_I4:
{
LONG res;
hr = PropVariantToInt32(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_I4;
ppropvarDest->u.lVal = res;
}
return hr;
}
case VT_UI4:
{
ULONG res;
hr = PropVariantToUInt32(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_UI4;
ppropvarDest->u.ulVal = res;
}
return hr;
}
case VT_I8:
{
LONGLONG res;
hr = PropVariantToInt64(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_I8;
ppropvarDest->u.hVal.QuadPart = res;
}
return hr;
}
case VT_UI8:
{
ULONGLONG res;
hr = PropVariantToUInt64(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_UI8;
ppropvarDest->u.uhVal.QuadPart = res;
}
return hr;
}
case VT_LPWSTR:
{
WCHAR *res;
hr = PropVariantToStringAlloc(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_LPWSTR;
ppropvarDest->u.pwszVal = res;
}
return hr;
}
}
switch (propvarSrc->vt)
{
case VT_FILETIME:
return PROPVAR_ConvertFILETIME(ppropvarDest, propvarSrc, vt);
default:
FIXME("Unhandled source type: %d\n", propvarSrc->vt);
}
return E_FAIL;
}
HRESULT CSourceOperation::SetData(const PROPVARIANT& varData)
{
return PropVariantCopy(&_data, &varData);
}
/******************************************************************
* PropVariantChangeType (PROPSYS.@)
*/
HRESULT WINAPI PropVariantChangeType(PROPVARIANT *ppropvarDest, REFPROPVARIANT propvarSrc,
PROPVAR_CHANGE_FLAGS flags, VARTYPE vt)
{
HRESULT hr;
FIXME("(%p, %p, %d, %d, %d): semi-stub!\n", ppropvarDest, propvarSrc,
propvarSrc->vt, flags, vt);
if (vt == propvarSrc->vt)
return PropVariantCopy(ppropvarDest, propvarSrc);
if (propvarSrc->vt == VT_FILETIME)
return PROPVAR_ConvertFILETIME(&propvarSrc->u.filetime, ppropvarDest, vt);
switch (vt)
{
case VT_I1:
{
LONGLONG res;
hr = PROPVAR_ConvertNumber(propvarSrc, 8, TRUE, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_I1;
ppropvarDest->u.cVal = (char)res;
}
return hr;
}
case VT_UI1:
{
LONGLONG res;
hr = PROPVAR_ConvertNumber(propvarSrc, 8, FALSE, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_UI1;
ppropvarDest->u.bVal = (UCHAR)res;
}
return hr;
}
case VT_I2:
{
SHORT res;
hr = PropVariantToInt16(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_I2;
ppropvarDest->u.iVal = res;
}
return hr;
}
case VT_UI2:
{
USHORT res;
hr = PropVariantToUInt16(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_UI2;
ppropvarDest->u.uiVal = res;
}
return hr;
}
case VT_I4:
{
LONG res;
hr = PropVariantToInt32(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_I4;
ppropvarDest->u.lVal = res;
}
return hr;
}
case VT_UI4:
{
ULONG res;
hr = PropVariantToUInt32(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_UI4;
ppropvarDest->u.ulVal = res;
}
return hr;
}
case VT_I8:
{
LONGLONG res;
hr = PropVariantToInt64(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_I8;
ppropvarDest->u.hVal.QuadPart = res;
}
return hr;
}
case VT_UI8:
{
ULONGLONG res;
hr = PropVariantToUInt64(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_UI8;
ppropvarDest->u.uhVal.QuadPart = res;
}
return hr;
}
case VT_LPWSTR:
case VT_BSTR:
{
WCHAR *res;
hr = PropVariantToStringAlloc(propvarSrc, &res);
if (SUCCEEDED(hr))
{
ppropvarDest->vt = VT_LPWSTR;
ppropvarDest->u.pwszVal = res;
}
return hr;
}
case VT_LPSTR:
{
WCHAR *resW;
hr = PropVariantToStringAlloc(propvarSrc, &resW);
if (SUCCEEDED(hr))
{
char *res;
DWORD len;
len = WideCharToMultiByte(CP_ACP, 0, resW, -1, NULL, 0, NULL, NULL);
res = CoTaskMemAlloc(len);
if (res)
{
WideCharToMultiByte(CP_ACP, 0, resW, -1, res, len, NULL, NULL);
ppropvarDest->vt = VT_LPSTR;
ppropvarDest->u.pszVal = res;
}
else
hr = E_OUTOFMEMORY;
CoTaskMemFree(resW);
}
return hr;
}
default:
FIXME("Unhandled dest type: %d\n", vt);
return E_FAIL;
}
}
