public static bool TryGetValue(this ID2D1Properties properties, int index, out D2D1_PROPERTY_TYPE type, out byte[] data)
{
if (properties == null)
{
throw new ArgumentNullException(nameof(properties));
}
data = null;
type = properties.GetType(index);
if (type == D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_UNKNOWN)
{
return(false);
}
var size = properties.GetValueSize(index);
if (size < 0)
{
return(false);
}
var bytes = new byte[size];
var hr = properties.GetValue(index, type, bytes, bytes.Length);
if (hr.IsError)
{
return(false);
}
data = bytes;
return(true);
}
public static object GetValue(D2D1_PROPERTY_TYPE type, byte[] data, bool throwOnError = true)
{
if (data == null)
{
if (throwOnError)
{
throw new ArgumentNullException(nameof(data));
}
return(null);
}
switch (type)
{
case D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_BOOL:
return(BitConverter.ToInt32(data, 0) != 0);
case D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_CLSID:
return(new Guid(data));
case D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_ENUM:
case D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_INT32:
return(BitConverter.ToInt32(data, 0));
case D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_UINT32:
return(BitConverter.ToUInt32(data, 0));
case D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_FLOAT:
return(BitConverter.ToSingle(data, 0));
case D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_STRING:
// buffer contains a terminating zero
return(Encoding.Unicode.GetString(data, 0, data.Length - 2));
case D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_VECTOR2:
return(data.ToStructure <D2D_VECTOR_2F>());
case D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_VECTOR3:
return(data.ToStructure <D2D_VECTOR_3F>());
case D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_VECTOR4:
return(data.ToStructure <D2D_VECTOR_4F>());
case D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_MATRIX_3X2:
return(data.ToStructure <D2D_MATRIX_3X2_F>());
default:
if (throwOnError)
{
throw new NotSupportedException("Value of type '" + type + "' is not supported.");
}
return(null);
}
}
public virtual int GetValue(
uint index,
D2D1_PROPERTY_TYPE type,
out byte data,
uint dataSize
)
{
var fp = GetFunctionPointer(11);
if (m_GetValueFunc == null)
{
m_GetValueFunc = (GetValueFunc)Marshal.GetDelegateForFunctionPointer(fp, typeof(GetValueFunc));
}
return(m_GetValueFunc(m_ptr, index, type, out data, dataSize));
}
public virtual int GetValueByName(
ref ushort name,
D2D1_PROPERTY_TYPE type,
out byte data,
uint dataSize
)
{
var fp = GetFunctionPointer(10);
if (m_GetValueByNameFunc == null)
{
m_GetValueByNameFunc = (GetValueByNameFunc)Marshal.GetDelegateForFunctionPointer(fp, typeof(GetValueByNameFunc));
}
return(m_GetValueByNameFunc(m_ptr, ref name, type, out data, dataSize));
}
public static bool TryGetValue(this ID2D1Properties properties, string name, out D2D1_PROPERTY_TYPE type, out byte[] data)
{
if (properties == null)
{
throw new ArgumentNullException(nameof(properties));
}
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
var index = properties.GetPropertyIndex(name);
if (index < 0)
{
data = null;
type = D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_UNKNOWN;
return(false);
}
return(TryGetValue(properties, index, out type, out data));
}
public HRESULT GetValue([NativeTypeName("UINT32")] uint index, D2D1_PROPERTY_TYPE type, byte *data, [NativeTypeName("UINT32")] uint dataSize)
{
return(((delegate * unmanaged <ID2D1Properties *, uint, D2D1_PROPERTY_TYPE, byte *, uint, int>)(lpVtbl[11]))((ID2D1Properties *)Unsafe.AsPointer(ref this), index, type, data, dataSize));
}
public HRESULT SetValueByName([NativeTypeName("PCWSTR")] ushort *name, D2D1_PROPERTY_TYPE type, [NativeTypeName("const BYTE *")] byte *data, [NativeTypeName("UINT32")] uint dataSize)
{
return(((delegate * unmanaged <ID2D1Properties *, ushort *, D2D1_PROPERTY_TYPE, byte *, uint, int>)(lpVtbl[8]))((ID2D1Properties *)Unsafe.AsPointer(ref this), name, type, data, dataSize));
}
public int GetValue([NativeTypeName("UINT32")] uint index, D2D1_PROPERTY_TYPE type, [NativeTypeName("BYTE *")] byte *data, [NativeTypeName("UINT32")] uint dataSize)
{
return(((delegate * unmanaged <ID2D1Effect *, uint, D2D1_PROPERTY_TYPE, byte *, uint, int>)(lpVtbl[11]))((ID2D1Effect *)Unsafe.AsPointer(ref this), index, type, data, dataSize));
}
public int SetValue([NativeTypeName("UINT32")] uint index, D2D1_PROPERTY_TYPE type, [NativeTypeName("const BYTE *")] byte *data, [NativeTypeName("UINT32")] uint dataSize)
{
return(((delegate * stdcall <ID2D1Properties *, uint, D2D1_PROPERTY_TYPE, byte *, uint, int>)(lpVtbl[9]))((ID2D1Properties *)Unsafe.AsPointer(ref this), index, type, data, dataSize));
}
public int GetValueByName([NativeTypeName("PCWSTR")] ushort *name, D2D1_PROPERTY_TYPE type, [NativeTypeName("BYTE *")] byte *data, [NativeTypeName("UINT32")] uint dataSize)
{
return(((delegate * stdcall <ID2D1Properties *, ushort *, D2D1_PROPERTY_TYPE, byte *, uint, int>)(lpVtbl[10]))((ID2D1Properties *)Unsafe.AsPointer(ref this), name, type, data, dataSize));
}
public static bool TryGetValue(this IComObject <ID2D1Properties> properties, int index, out D2D1_PROPERTY_TYPE type, out byte[] data) => TryGetValue(properties?.Object, index, out type, out data);
public static void SetValueByName(this ID2D1Properties properties, string name, byte[] value, D2D1_PROPERTY_TYPE type = D2D1_PROPERTY_TYPE.D2D1_PROPERTY_TYPE_UNKNOWN)
{
if (properties == null)
{
throw new ArgumentNullException(nameof(properties));
}
if (name == null)
{
throw new ArgumentNullException(nameof(name));
}
properties.SetValueByName(name, type, value, value.Length).ThrowOnError();
}
