~D2DPathRendererState() {
if (path)
{
path->Release();
path = NULL;
}
}
void VGraphicPath::Widen(const GReal inStrokeWidth, ID2D1StrokeStyle* inStrokeStyle)
{
xbox_assert(inStrokeStyle);
End();
if (fPathD2D != NULL)
{
CComPtr<ID2D1StrokeStyle> strokeStyle = (ID2D1StrokeStyle *)inStrokeStyle;
ID2D1Geometry *oldPath = fPathD2D;
//create new path
ID2D1PathGeometry *newPath = NULL;
VWinD2DGraphicContext::GetMutexFactory().Lock();
HRESULT hr = VWinD2DGraphicContext::GetFactory()->CreatePathGeometry( &newPath);
xbox_assert(SUCCEEDED(hr));
VWinD2DGraphicContext::GetMutexFactory().Unlock();
//widen current path
CComPtr<ID2D1GeometrySink> thisGeomSink;
if (SUCCEEDED(newPath->Open(&thisGeomSink)))
{
thisGeomSink->SetFillMode( fFillMode == FILLRULE_EVENODD ? D2D1_FILL_MODE_ALTERNATE : D2D1_FILL_MODE_WINDING);
if (!SUCCEEDED(oldPath->Widen(
inStrokeWidth,
strokeStyle,
NULL,
0.0f,
thisGeomSink)))
{
newPath->Release();
return;
}
thisGeomSink->Close();
}
fPathD2D = newPath;
oldPath->Release();
fCreateStorageForCrispEdges = false;
fHasBezier = false;
fDrawCmds.clear();
fCurTransform.MakeIdentity();
}
}
void VGraphicPath::Begin()
{
#if ENABLE_D2D
//start to populate geometry
if (fGeomSink)
return;
if (fPathD2D == NULL)
return;
ID2D1PathGeometry *thisPath = NULL;
if (FAILED(fPathD2D->QueryInterface( __uuidof(ID2D1PathGeometry), (void **)&thisPath)))
return; //no more a ID2D1PathGeometry so skip
ID2D1GeometrySink *thisGeomSink;
if (SUCCEEDED(thisPath->Open(&thisGeomSink)))
{
fGeomSink = thisGeomSink;
thisGeomSink->SetFillMode( fFillMode == FILLRULE_EVENODD ? D2D1_FILL_MODE_ALTERNATE : D2D1_FILL_MODE_WINDING);
fFigureIsClosed = true;
}
thisPath->Release();
#endif
}
/** combine current path with the specified path
@remarks
does not update internal polygon
used only by D2D impl for path clipping implementation
*/
void VGraphicPath::_Combine( const VGraphicPath& inPath, bool inIntersect)
{
End();
//ensure proper combination if current path or input path is empty
if (inPath.GetBounds().GetWidth() == 0.0f || inPath.GetBounds().GetHeight() == 0.0f)
{
//input path is empty
if (inIntersect)
Clear();
return;
}
if (GetBounds().GetWidth() == 0.0f || GetBounds().GetHeight() == 0.0f)
{
//current path is empty
if (inIntersect)
return;
else
*this = inPath;
return;
}
//combine D2D path if appropriate
//TODO: make it work for Gdiplus::GraphicPath too ?
if (fPathD2D != NULL && inPath.GetImplPathD2D())
{
ID2D1Geometry *oldPath = fPathD2D;
//create new path
ID2D1PathGeometry *newPath = NULL;
VWinD2DGraphicContext::GetMutexFactory().Lock();
HRESULT hr = VWinD2DGraphicContext::GetFactory()->CreatePathGeometry( &newPath);
xbox_assert(SUCCEEDED(hr));
VWinD2DGraphicContext::GetMutexFactory().Unlock();
//combine current path with input path
CComPtr<ID2D1GeometrySink> thisGeomSink;
if (SUCCEEDED(newPath->Open(&thisGeomSink)))
{
thisGeomSink->SetFillMode( fFillMode == FILLRULE_EVENODD ? D2D1_FILL_MODE_ALTERNATE : D2D1_FILL_MODE_WINDING);
if (!SUCCEEDED(oldPath->CombineWithGeometry(
inPath.GetImplPathD2D(),
inIntersect ? D2D1_COMBINE_MODE_INTERSECT : D2D1_COMBINE_MODE_UNION,
NULL,
0.0f,
thisGeomSink
)))
{
newPath->Release();
return;
}
thisGeomSink->Close();
}
fPathD2D = newPath;
oldPath->Release();
if (inIntersect)
fBounds.Intersect( inPath.GetBounds());
else
fBounds.Union( inPath.GetBounds());
fCreateStorageForCrispEdges = false;
fHasBezier = false;
fDrawCmds.clear();
fCurTransform.MakeIdentity();
}
}
