public void HighlightsAndShadowsEffectCustomizations()
{
const uint D2D1_HIGHLIGHTSANDSHADOWS_INPUT_GAMMA_LINEAR = 0;
const uint D2D1_HIGHLIGHTSANDSHADOWS_INPUT_GAMMA_SRGB = 1;
var effect = new HighlightsAndShadowsEffect();
// Verify defaults.
Assert.IsFalse(effect.SourceIsLinearGamma);
Assert.AreEqual(D2D1_HIGHLIGHTSANDSHADOWS_INPUT_GAMMA_SRGB, EffectAccessor.GetProperty(effect, 3));
// Change the property, and verify that the boxed value changes to match.
effect.SourceIsLinearGamma = true;
Assert.IsTrue(effect.SourceIsLinearGamma);
Assert.AreEqual(D2D1_HIGHLIGHTSANDSHADOWS_INPUT_GAMMA_LINEAR, EffectAccessor.GetProperty(effect, 3));
effect.SourceIsLinearGamma = false;
Assert.IsFalse(effect.SourceIsLinearGamma);
Assert.AreEqual(D2D1_HIGHLIGHTSANDSHADOWS_INPUT_GAMMA_SRGB, EffectAccessor.GetProperty(effect, 3));
// Validate that IGraphicsEffectD2D1Interop reports the right customizations.
int index;
EffectPropertyMapping mapping;
EffectAccessor.GetNamedPropertyMapping(effect, "SourceIsLinearGamma", out index, out mapping);
Assert.AreEqual(3, index);
Assert.AreEqual(EffectPropertyMapping.Unknown, mapping);
}
static void TestEffectInterop(CanvasDevice device, CanvasDevice device2, TypeInfo effectType, IGraphicsEffect realizedEffect)
{
// One Win2D effect is backed by a realized ID2D1Effect instance, the other is not.
// Their property values should be the same either way.
IGraphicsEffect unrealizedEffect = (IGraphicsEffect)Activator.CreateInstance(effectType.AsType());
PropertyValuesShouldMatch(effectType, realizedEffect, unrealizedEffect);
// Create a new ID2D1Effect instance, then wrap a Win2D effect around it.
// We should get the same default property values either way.
IGraphicsEffect wrappedEffect = EffectAccessor.CreateThenWrapNewEffectOfSameType(device, realizedEffect);
// Special case: Win2D intentionally defaults to a different DpiCompensationEffect.BorderMode vs. D2D.
if (wrappedEffect is DpiCompensationEffect)
{
var dpiCompensationEffect = wrappedEffect as DpiCompensationEffect;
Assert.AreEqual(EffectBorderMode.Soft, dpiCompensationEffect.BorderMode);
dpiCompensationEffect.BorderMode = EffectBorderMode.Hard;
}
PropertyValuesShouldMatch(effectType, unrealizedEffect, wrappedEffect);
// Re-realize the new effect onto a second device.
// All property values should be successfully transferred across.
RealizeEffect(device2, effectType, wrappedEffect);
PropertyValuesShouldMatch(effectType, unrealizedEffect, wrappedEffect);
}
public void EdgeDetectionEffectCustomizations()
{
var effect = new EdgeDetectionEffect();
// Verify defaults.
Assert.AreEqual(CanvasAlphaMode.Premultiplied, effect.AlphaMode);
Assert.AreEqual(D2D1_ALPHA_MODE_PREMULTIPLIED, EffectAccessor.GetProperty(effect, 4));
// Change the property, and verify that the boxed value changes to match.
effect.AlphaMode = CanvasAlphaMode.Straight;
Assert.AreEqual(D2D1_ALPHA_MODE_STRAIGHT, EffectAccessor.GetProperty(effect, 4));
effect.AlphaMode = CanvasAlphaMode.Premultiplied;
Assert.AreEqual(D2D1_ALPHA_MODE_PREMULTIPLIED, EffectAccessor.GetProperty(effect, 4));
// Verify unsupported value throws.
Assert.ThrowsException <ArgumentException>(() => { effect.AlphaMode = CanvasAlphaMode.Ignore; });
Assert.AreEqual(CanvasAlphaMode.Premultiplied, effect.AlphaMode);
// Validate that IGraphicsEffectD2D1Interop reports the right customizations.
int index;
EffectPropertyMapping mapping;
EffectAccessor.GetNamedPropertyMapping(effect, "AlphaMode", out index, out mapping);
Assert.AreEqual(4, index);
Assert.AreEqual(EffectPropertyMapping.ColorMatrixAlphaMode, mapping);
}
public void ArithmeticCompositeEffectCustomizations()
{
var effect = new ArithmeticCompositeEffect();
// Verify defaults.
Assert.AreEqual(1.0f, effect.MultiplyAmount);
Assert.AreEqual(0.0f, effect.Source1Amount);
Assert.AreEqual(0.0f, effect.Source2Amount);
Assert.AreEqual(0.0f, effect.Offset);
Assert.IsTrue(((float[])EffectAccessor.GetProperty(effect, 0)).SequenceEqual(new float[] { 1, 0, 0, 0 }));
// Change properties one at a time, and verify that the boxed value changes to match.
effect.MultiplyAmount = 23;
Assert.IsTrue(((float[])EffectAccessor.GetProperty(effect, 0)).SequenceEqual(new float[] { 23, 0, 0, 0 }));
effect.Source1Amount = 42;
Assert.IsTrue(((float[])EffectAccessor.GetProperty(effect, 0)).SequenceEqual(new float[] { 23, 42, 0, 0 }));
effect.Source2Amount = -1;
Assert.IsTrue(((float[])EffectAccessor.GetProperty(effect, 0)).SequenceEqual(new float[] { 23, 42, -1, 0 }));
effect.Offset = 100;
Assert.IsTrue(((float[])EffectAccessor.GetProperty(effect, 0)).SequenceEqual(new float[] { 23, 42, -1, 100 }));
}
static void TestEffectProperties(TypeInfo effectType, IGraphicsEffect effect)
{
var properties = (from property in effectType.DeclaredProperties
where property.Name != "Name"
where property.Name != "Sources"
where property.PropertyType != typeof(IGraphicsEffectSource)
select property).ToList();
IList <object> effectProperties = new ViewIndexerAsList <object>(() => EffectAccessor.GetPropertyCount(effect),
i => EffectAccessor.GetProperty(effect, i));
FilterOutCustomizedEffectProperties(effectType.AsType(), ref properties, ref effectProperties);
// Should have the same number of strongly typed properties as elements in the properties collection.
Assert.AreEqual(properties.Count, effectProperties.Count);
// Store the initial property values.
var initialValues = effectProperties.ToList();
var whichIndexIsProperty = new List <int>();
// Changing strongly typed properties should change the properties collection.
for (int i = 0; i < effectProperties.Count; i++)
{
object testValue1 = GetArbitraryTestValue(properties[i].PropertyType, true);
object testValue2 = GetArbitraryTestValue(properties[i].PropertyType, false);
// Change a property value, and see which collection properties match the result.
properties[i].SetValue(effect, testValue1);
var matches1 = (from j in Enumerable.Range(0, effectProperties.Count)
where BoxedValuesAreEqual(effectProperties[j], Box(testValue1, properties[i]), properties[i])
select j).ToList();
// Change the same property to a different value, and see which collection properties match now.
properties[i].SetValue(effect, testValue2);
var matches2 = (from j in Enumerable.Range(0, effectProperties.Count)
where BoxedValuesAreEqual(effectProperties[j], Box(testValue2, properties[i]), properties[i])
select j).ToList();
// There should be one and only one property that matched both times. If not,
// either we don't have 1 <-> 1 mapping between strongly typed properties and
// collection indices, or something went wrong during the boxing type conversions.
var intersection = matches1.Intersect(matches2);
Assert.AreEqual(1, intersection.Count());
int whichIndexIsThis = intersection.Single();
whichIndexIsProperty.Add(whichIndexIsThis);
// Change the property value back to its initial state.
properties[i].SetValue(effect, Unbox(initialValues[whichIndexIsThis], properties[i]));
Assert.IsTrue(BoxedValuesAreEqual(initialValues[whichIndexIsThis], effectProperties[whichIndexIsThis], properties[i]));
}
// Should not have any duplicate property mappings.
Assert.AreEqual(whichIndexIsProperty.Count, whichIndexIsProperty.Distinct().Count());
}
static void TestEffectSources(TypeInfo effectType, IGraphicsEffect effect)
{
var sourceProperties = (from property in effectType.DeclaredProperties
where property.PropertyType == typeof(IGraphicsEffectSource)
select property).ToList();
// Should have the same number of strongly typed properties as the effect has sources.
Assert.AreEqual(sourceProperties.Count, EffectAccessor.GetSourceCount(effect));
// Initial source values should all be null.
for (int i = 0; i < EffectAccessor.GetSourceCount(effect); i++)
{
Assert.IsNull(EffectAccessor.GetSource(effect, i));
Assert.IsNull(sourceProperties[i].GetValue(effect));
}
var testValue1 = new GaussianBlurEffect();
var testValue2 = new ShadowEffect();
var whichIndexIsProperty = new List <int>();
// Changing strongly typed properties should change the sources reported by IGraphicsEffectD2D1Interop.
for (int i = 0; i < EffectAccessor.GetSourceCount(effect); i++)
{
// Change a property value, and see which source changes.
sourceProperties[i].SetValue(effect, testValue1);
int whichIndexIsThis = 0;
while (EffectAccessor.GetSource(effect, whichIndexIsThis) != testValue1)
{
whichIndexIsThis++;
Assert.IsTrue(whichIndexIsThis < EffectAccessor.GetSourceCount(effect));
}
whichIndexIsProperty.Add(whichIndexIsThis);
// Change the same property value again, and make sure the same source changes.
sourceProperties[i].SetValue(effect, testValue2);
Assert.AreSame(testValue2, EffectAccessor.GetSource(effect, whichIndexIsThis));
// Change the property value to null.
sourceProperties[i].SetValue(effect, null);
Assert.IsNull(EffectAccessor.GetSource(effect, whichIndexIsThis));
}
// Should not have any duplicate property mappings.
Assert.AreEqual(whichIndexIsProperty.Count, whichIndexIsProperty.Distinct().Count());
}
public void ArithmeticCompositeEffectCustomizations()
{
var effect = new ArithmeticCompositeEffect();
// Verify defaults.
Assert.AreEqual(1.0f, effect.MultiplyAmount);
Assert.AreEqual(0.0f, effect.Source1Amount);
Assert.AreEqual(0.0f, effect.Source2Amount);
Assert.AreEqual(0.0f, effect.Offset);
Assert.IsTrue(((float[])EffectAccessor.GetProperty(effect, 0)).SequenceEqual(new float[] { 1, 0, 0, 0 }));
// Change properties one at a time, and verify that the boxed value changes to match.
effect.MultiplyAmount = 23;
Assert.IsTrue(((float[])EffectAccessor.GetProperty(effect, 0)).SequenceEqual(new float[] { 23, 0, 0, 0 }));
effect.Source1Amount = 42;
Assert.IsTrue(((float[])EffectAccessor.GetProperty(effect, 0)).SequenceEqual(new float[] { 23, 42, 0, 0 }));
effect.Source2Amount = -1;
Assert.IsTrue(((float[])EffectAccessor.GetProperty(effect, 0)).SequenceEqual(new float[] { 23, 42, -1, 0 }));
effect.Offset = 100;
Assert.IsTrue(((float[])EffectAccessor.GetProperty(effect, 0)).SequenceEqual(new float[] { 23, 42, -1, 100 }));
// Validate that IGraphicsEffectD2D1Interop reports the right customizations.
int index;
EffectPropertyMapping mapping;
EffectAccessor.GetNamedPropertyMapping(effect, "MultiplyAmount", out index, out mapping);
Assert.AreEqual(0, index);
Assert.AreEqual(EffectPropertyMapping.VectorX, mapping);
EffectAccessor.GetNamedPropertyMapping(effect, "Source1Amount", out index, out mapping);
Assert.AreEqual(0, index);
Assert.AreEqual(EffectPropertyMapping.VectorY, mapping);
EffectAccessor.GetNamedPropertyMapping(effect, "Source2Amount", out index, out mapping);
Assert.AreEqual(0, index);
Assert.AreEqual(EffectPropertyMapping.VectorZ, mapping);
EffectAccessor.GetNamedPropertyMapping(effect, "Offset", out index, out mapping);
Assert.AreEqual(0, index);
Assert.AreEqual(EffectPropertyMapping.VectorW, mapping);
}
public void ColorMatrixEffectCustomizations()
{
const uint D2D1_COLORMATRIX_ALPHA_MODE_PREMULTIPLIED = 1;
const uint D2D1_COLORMATRIX_ALPHA_MODE_STRAIGHT = 2;
var effect = new ColorMatrixEffect();
// Verify defaults.
Assert.AreEqual(CanvasAlphaMode.Premultiplied, effect.AlphaMode);
Assert.AreEqual(D2D1_COLORMATRIX_ALPHA_MODE_PREMULTIPLIED, EffectAccessor.GetProperty(effect, 1));
// Change the property, and verify that the boxed value changes to match.
effect.AlphaMode = CanvasAlphaMode.Straight;
Assert.AreEqual(D2D1_COLORMATRIX_ALPHA_MODE_STRAIGHT, EffectAccessor.GetProperty(effect, 1));
effect.AlphaMode = CanvasAlphaMode.Premultiplied;
Assert.AreEqual(D2D1_COLORMATRIX_ALPHA_MODE_PREMULTIPLIED, EffectAccessor.GetProperty(effect, 1));
// Verify unsupported value throws.
Assert.ThrowsException <ArgumentException>(() => { effect.AlphaMode = CanvasAlphaMode.Ignore; });
Assert.AreEqual(CanvasAlphaMode.Premultiplied, effect.AlphaMode);
}
static ICanvasImage RealizeEffect(CanvasDevice device, TypeInfo effectType, IGraphicsEffect effect)
{
var dummySourceImage = new CanvasCommandList(device);
// We can't realize an effect with invalid inputs, so must first set them all to something reasonable.
foreach (var sourceProperty in effectType.DeclaredProperties.Where(p => p.PropertyType == typeof(IGraphicsEffectSource)))
{
sourceProperty.SetValue(effect, dummySourceImage);
}
// Add one image to any variable size Sources collection properties.
foreach (var sourcesProperty in effectType.DeclaredProperties.Where(p => p.Name == "Sources"))
{
var sources = sourcesProperty.GetValue(effect) as IList <IGraphicsEffectSource>;
sources.Clear();
sources.Add(dummySourceImage);
}
EffectAccessor.RealizeEffect(device, effect);
return(dummySourceImage);
}
static void TestEffectProperties(TypeInfo effectType, IGraphicsEffect effect)
{
var properties = GetEffectProperties(effectType).ToList();
IList <object> effectProperties = new ViewIndexerAsList <object>(() => EffectAccessor.GetPropertyCount(effect),
i => EffectAccessor.GetProperty(effect, i));
FilterOutCustomizedEffectProperties(effectType.AsType(), ref properties, ref effectProperties);
// Should have the same number of strongly typed properties as elements in the properties collection.
Assert.AreEqual(properties.Count, effectProperties.Count);
// Store the initial property values.
var initialValues = effectProperties.ToList();
var whichIndexIsProperty = new List <int>();
// Changing strongly typed properties should change the properties collection.
for (int i = 0; i < effectProperties.Count; i++)
{
object testValue1 = GetArbitraryTestValue(properties[i].PropertyType, true);
object testValue2 = GetArbitraryTestValue(properties[i].PropertyType, false);
// Change a property value, and see which collection properties match the result.
properties[i].SetValue(effect, testValue1);
AssertPropertyValuesAreEqual(testValue1, properties[i].GetValue(effect));
var matches1 = (from j in Enumerable.Range(0, effectProperties.Count)
where BoxedValuesAreEqual(effectProperties[j], Box(testValue1, properties[i]), properties[i])
select j).ToList();
// Change the same property to a different value, and see which collection properties match now.
properties[i].SetValue(effect, testValue2);
AssertPropertyValuesAreEqual(testValue2, properties[i].GetValue(effect));
var matches2 = (from j in Enumerable.Range(0, effectProperties.Count)
where BoxedValuesAreEqual(effectProperties[j], Box(testValue2, properties[i]), properties[i])
select j).ToList();
// There should be one and only one property that matched both times. If not,
// either we don't have 1 <-> 1 mapping between strongly typed properties and
// collection indices, or something went wrong during the boxing type conversions.
var intersection = matches1.Intersect(matches2);
Assert.AreEqual(1, intersection.Count());
int whichIndexIsThis = intersection.Single();
whichIndexIsProperty.Add(whichIndexIsThis);
// Change the property value back to its initial state.
var unboxedValue = Unbox(initialValues[whichIndexIsThis], properties[i]);
properties[i].SetValue(effect, unboxedValue);
AssertPropertyValuesAreEqual(unboxedValue, properties[i].GetValue(effect));
Assert.IsTrue(BoxedValuesAreEqual(initialValues[whichIndexIsThis], effectProperties[whichIndexIsThis], properties[i]));
// Validate that IGraphicsEffectD2D1Interop agrees with what we think the type and index of this property is.
int mappingIndex;
EffectPropertyMapping mapping;
EffectAccessor.GetNamedPropertyMapping(effect, properties[i].Name, out mappingIndex, out mapping);
int expectedMappingIndex = whichIndexIsThis;
if (effectProperties is FilteredViewOfList <object> )
{
expectedMappingIndex = ((FilteredViewOfList <object>)effectProperties).GetOriginalIndex(expectedMappingIndex);
}
Assert.AreEqual(expectedMappingIndex, mappingIndex);
var expectedMapping = GetExpectedPropertyMapping(properties[i], effectProperties[whichIndexIsThis]);
Assert.AreEqual(expectedMapping, mapping);
}
// Should not have any duplicate property mappings.
Assert.AreEqual(whichIndexIsProperty.Count, whichIndexIsProperty.Distinct().Count());
}