static UINT32 STDMETHODCALLTYPE d2d_gradient_GetGradientStopCount(ID2D1GradientStopCollection *iface)
{
struct d2d_gradient *gradient = impl_from_ID2D1GradientStopCollection(iface);
TRACE("iface %p.\n", iface);
return gradient->stop_count;
}
static void STDMETHODCALLTYPE d2d_gradient_GetFactory(ID2D1GradientStopCollection *iface, ID2D1Factory **factory)
{
struct d2d_gradient *gradient = impl_from_ID2D1GradientStopCollection(iface);
TRACE("iface %p, factory %p.\n", iface, factory);
ID2D1Factory_AddRef(*factory = gradient->factory);
}
static ULONG STDMETHODCALLTYPE d2d_gradient_AddRef(ID2D1GradientStopCollection *iface)
{
struct d2d_gradient *gradient = impl_from_ID2D1GradientStopCollection(iface);
ULONG refcount = InterlockedIncrement(&gradient->refcount);
TRACE("%p increasing refcount to %u.\n", iface, refcount);
return refcount;
}
static void STDMETHODCALLTYPE d2d_gradient_GetGradientStops(ID2D1GradientStopCollection *iface,
D2D1_GRADIENT_STOP *stops, UINT32 stop_count)
{
struct d2d_gradient *gradient = impl_from_ID2D1GradientStopCollection(iface);
TRACE("iface %p, stops %p, stop_count %u.\n", iface, stops, stop_count);
memcpy(stops, gradient->stops, min(gradient->stop_count, stop_count) * sizeof(*stops));
if (stop_count > gradient->stop_count)
memset(stops, 0, (stop_count - gradient->stop_count) * sizeof(*stops));
}
static ULONG STDMETHODCALLTYPE d2d_gradient_Release(ID2D1GradientStopCollection *iface)
{
struct d2d_gradient *gradient = impl_from_ID2D1GradientStopCollection(iface);
ULONG refcount = InterlockedDecrement(&gradient->refcount);
TRACE("%p decreasing refcount to %u.\n", iface, refcount);
if (!refcount)
HeapFree(GetProcessHeap(), 0, gradient);
return refcount;
}