public RawRectangleF[] GetEffectRequiredInputRectangles(ID2D1Effect renderEffect, RectangleF renderImageRectangle, EffectInputDescription[] inputDescriptions)
{
var result = new RawRectangleF[inputDescriptions.Length];
GetEffectRequiredInputRectangles(renderEffect, renderImageRectangle, inputDescriptions, result, inputDescriptions.Length);
return(result);
}
/// <summary>
/// Sets the input by using the output of a given effect.
/// </summary>
/// <param name="index">Index of the input</param>
/// <param name="effect">Effect output to use as input</param>
/// <param name="invalidate">To invalidate</param>
public void SetInputEffect(int index, ID2D1Effect effect, bool invalidate = true)
{
using (ID2D1Image output = effect.Output)
{
SetInput(index, output, invalidate);
}
}
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 SetInputCount(this ID2D1Effect effect, int count)
{
if (effect == null)
{
throw new ArgumentNullException(nameof(effect));
}
effect.SetInputCount(count).ThrowOnError();
}
public static void SetInput(this ID2D1Effect effect, int index, ID2D1Bitmap input = null, bool invalidate = false)
{
if (effect == null)
{
throw new ArgumentNullException(nameof(effect));
}
effect.SetInput(index, input, invalidate);
}
public static int GetInputCount(this ID2D1Effect effect)
{
if (effect == null)
{
throw new ArgumentNullException(nameof(effect));
}
return(effect.GetInputCount());
}
public void DrawImage(
ID2D1Effect effect,
InterpolationMode interpolationMode = InterpolationMode.Linear,
CompositeMode compositeMode = CompositeMode.SourceOver)
{
using (var output = effect.Output)
{
DrawImage(output, null, null, interpolationMode, compositeMode);
}
}
public static IComObject <ID2D1Image> GetInput(this ID2D1Effect effect, int index)
{
if (effect == null)
{
throw new ArgumentNullException(nameof(effect));
}
effect.GetInput(index, out var image);
return(new ComObject <ID2D1Image>(image));
}
public RawRectangleF[] GetEffectInvalidRectangles(ID2D1Effect effect)
{
var invalidRects = new RawRectangleF[GetEffectInvalidRectangleCount(effect)];
if (invalidRects.Length == 0)
{
return(invalidRects);
}
GetEffectInvalidRectangles(effect, invalidRects, invalidRects.Length);
return(invalidRects);
}
public static void SetInput(this ID2D1Effect effect, ID2D1Image image, int index = 0, bool invalidate = false)
{
if (effect == null)
{
throw new ArgumentNullException(nameof(effect));
}
if (image == null)
{
throw new ArgumentNullException(nameof(image));
}
effect.SetInput((uint)index, image, invalidate);
}
public static void SetInputEffect(this ID2D1Effect effect, ID2D1Effect inputEffect, int index = 0, bool invalidate = false)
{
if (effect == null)
{
throw new ArgumentNullException(nameof(effect));
}
if (inputEffect == null)
{
throw new ArgumentNullException(nameof(inputEffect));
}
inputEffect.GetOutput(out var output);
effect.SetInput((uint)index, output, invalidate);
Marshal.ReleaseComObject(output);
}
