public static SKData Create(IntPtr address, int length, SKDataReleaseDelegate releaseProc, object context)
{
var del = releaseProc != null && context != null
? new SKDataReleaseDelegate((addr, _) => releaseProc(addr, context))
: releaseProc;
var proxy = DelegateProxies.Create(del, DelegateProxies.SKDataReleaseDelegateProxy, out _, out var ctx);
return(GetObject(SkiaApi.sk_data_new_with_proc((void *)address, (IntPtr)length, proxy, (void *)ctx)));
}
public static SKData Create(IntPtr address, int length, SKDataReleaseDelegate releaseProc, object context)
{
if (releaseProc == null)
{
return(GetObject <SKData> (SkiaApi.sk_data_new_with_proc(address, (IntPtr)length, IntPtr.Zero, IntPtr.Zero)));
}
else
{
var ctx = new NativeDelegateContext(context, releaseProc);
return(GetObject <SKData> (SkiaApi.sk_data_new_with_proc(address, (IntPtr)length, releaseDelegate, ctx.NativeContext)));
}
}
public void ReleaseDataWasInvoked()
{
bool released = false;
var onRelease = new SKDataReleaseDelegate((addr, ctx) => {
Marshal.FreeCoTaskMem(addr);
released = true;
Assert.Equal("RELEASING!", ctx);
});
var memory = Marshal.AllocCoTaskMem(10);
using (var data = SKData.Create(memory, 10, onRelease, "RELEASING!")) {
Assert.Equal(memory, data.Data);
Assert.Equal(10, data.Size);
}
Assert.True(released, "The SKDataReleaseDelegate was not called.");
}
public static SKData Create(IntPtr address, int length, SKDataReleaseDelegate releaseProc)
{
return(Create(address, length, releaseProc, null));
}
