public static void DrawImage(this ID2D1DeviceContext context,
ID2D1Effect effect,
D2D1_INTERPOLATION_MODE interpolationMode = D2D1_INTERPOLATION_MODE.D2D1_INTERPOLATION_MODE_LINEAR,
D2D1_COMPOSITE_MODE compositeMode = D2D1_COMPOSITE_MODE.D2D1_COMPOSITE_MODE_SOURCE_OVER,
D2D_POINT_2F?targetOffset = null,
D2D_RECT_F?imageRectangle = null)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (effect == null)
{
throw new ArgumentNullException(nameof(effect));
}
using (var irc = imageRectangle.StructureToMemory())
{
using (var to = targetOffset.StructureToMemory())
{
effect.GetOutput(out var image);
try
{
context.DrawImage(image, to.Pointer, irc.Pointer, interpolationMode, compositeMode);
}
finally
{
Marshal.ReleaseComObject(image);
}
}
}
}
public static void DrawImage(this ID2D1DeviceContext context,
ID2D1Image image,
D2D1_INTERPOLATION_MODE interpolationMode = D2D1_INTERPOLATION_MODE.D2D1_INTERPOLATION_MODE_LINEAR,
D2D1_COMPOSITE_MODE compositeMode = D2D1_COMPOSITE_MODE.D2D1_COMPOSITE_MODE_SOURCE_OVER,
D2D_POINT_2F?targetOffset = null,
D2D_RECT_F?imageRectangle = null)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (image == null)
{
throw new ArgumentNullException(nameof(image));
}
using (var irc = imageRectangle.StructureToMemory())
{
using (var to = targetOffset.StructureToMemory())
{
context.DrawImage(image, to.Pointer, irc.Pointer, interpolationMode, compositeMode);
}
}
}