static void getDirtyRects(HWND window, Vector<CGRect>& outRects)
{
ASSERT_ARG(outRects, outRects.isEmpty());
RECT clientRect;
if (!GetClientRect(window, &clientRect))
return;
auto region = adoptGDIObject(::CreateRectRgn(0, 0, 0, 0));
int regionType = GetUpdateRgn(window, region.get(), false);
if (regionType != COMPLEXREGION) {
RECT dirtyRect;
if (GetUpdateRect(window, &dirtyRect, false))
outRects.append(winRectToCGRect(dirtyRect, clientRect));
return;
}
DWORD dataSize = ::GetRegionData(region.get(), 0, 0);
auto regionDataBuffer = std::make_unique<unsigned char[]>(dataSize);
RGNDATA* regionData = reinterpret_cast<RGNDATA*>(regionDataBuffer.get());
if (!::GetRegionData(region.get(), dataSize, regionData))
return;
outRects.resize(regionData->rdh.nCount);
RECT* rect = reinterpret_cast<RECT*>(regionData->Buffer);
for (size_t i = 0; i < outRects.size(); ++i, ++rect)
outRects[i] = winRectToCGRect(*rect, clientRect);
}
static void getDirtyRects(HWND window, Vector<CGRect>& outRects)
{
ASSERT_ARG(outRects, outRects.isEmpty());
RECT clientRect;
if (!GetClientRect(window, &clientRect))
return;
HRGN region = CreateRectRgn(0, 0, 0, 0);
int regionType = GetUpdateRgn(window, region, false);
if (regionType != COMPLEXREGION) {
RECT dirtyRect;
if (GetUpdateRect(window, &dirtyRect, false))
outRects.append(winRectToCGRect(dirtyRect, clientRect));
return;
}
DWORD dataSize = GetRegionData(region, 0, 0);
OwnArrayPtr<unsigned char> regionDataBuffer(new unsigned char[dataSize]);
RGNDATA* regionData = reinterpret_cast<RGNDATA*>(regionDataBuffer.get());
if (!GetRegionData(region, dataSize, regionData))
return;
outRects.resize(regionData->rdh.nCount);
RECT* rect = reinterpret_cast<RECT*>(regionData->Buffer);
for (size_t i = 0; i < outRects.size(); ++i, ++rect)
outRects[i] = winRectToCGRect(*rect, clientRect);
DeleteObject(region);
}
CGRect CACFLayerTreeHost::bounds() const
{
RECT clientRect;
GetClientRect(m_window, &clientRect);
return winRectToCGRect(clientRect);
}
CGRect WKCACFLayerRenderer::bounds() const
{
RECT clientRect;
GetClientRect(m_hostWindow, &clientRect);
return winRectToCGRect(clientRect);
}
