public void Test_TransformOrigin()
{
DrawableAffine affine = new DrawableAffine();
affine.TransformOrigin(4.0, 2.0);
Assert.AreEqual(1.0, affine.ScaleX);
Assert.AreEqual(1.0, affine.ScaleY);
Assert.AreEqual(0.0, affine.ShearX);
Assert.AreEqual(0.0, affine.ShearY);
Assert.AreEqual(4.0, affine.TranslateX);
Assert.AreEqual(2.0, affine.TranslateY);
}
public void Test_TransformRatation()
{
DrawableAffine affine = new DrawableAffine();
affine.TransformRotation(45.0);
Assert.AreEqual(0.7071, affine.ScaleX, 0.0001);
Assert.AreEqual(0.7071, affine.ScaleY, 0.0001);
Assert.AreEqual(-0.7071, affine.ShearX, 0.0001);
Assert.AreEqual(0.7071, affine.ShearY, 0.0001);
Assert.AreEqual(0.0, affine.TranslateX);
Assert.AreEqual(0.0, affine.TranslateY);
}
public void Test_Constructor_Matrix()
{
Matrix matrix = null;
ExceptionAssert.Throws <ArgumentNullException>(() =>
{
new DrawableAffine(matrix);
});
matrix = new Matrix(11, 12, 21, 22, 0, 1);
DrawableAffine affine = new DrawableAffine(matrix);
Assert.AreEqual(11, affine.ScaleX);
Assert.AreEqual(12, affine.ScaleY);
Assert.AreEqual(21, affine.ShearX);
Assert.AreEqual(22, affine.ShearY);
Assert.AreEqual(0, affine.TranslateX);
Assert.AreEqual(1, affine.TranslateY);
}
public void ShouldSetThePropertiesToTheDefaultValue()
{
var affine = new DrawableAffine();
affine.ScaleX = 2.0;
affine.ScaleY = 3.0;
affine.ShearX = 4.0;
affine.ShearY = 5.0;
affine.TranslateX = 6.0;
affine.TranslateY = 7.0;
affine.Reset();
Assert.Equal(1.0, affine.ScaleX);
Assert.Equal(1.0, affine.ScaleY);
Assert.Equal(0.0, affine.ShearX);
Assert.Equal(0.0, affine.ShearY);
Assert.Equal(0.0, affine.TranslateX);
Assert.Equal(0.0, affine.TranslateY);
}
public void Test_TransformSkew()
{
DrawableAffine affine = new DrawableAffine();
affine.TransformSkewX(4.0);
Assert.Equal(1.0, affine.ScaleX);
Assert.Equal(1.0, affine.ScaleY);
Assert.InRange(affine.ShearX, 0.0699, 0.0700);
Assert.Equal(0.0, affine.ShearY);
Assert.Equal(0.0, affine.TranslateX);
Assert.Equal(0.0, affine.TranslateY);
affine.TransformSkewY(2.0);
Assert.Equal(1.0, affine.ScaleX);
Assert.InRange(affine.ScaleY, 1.0024, 1.0025);
Assert.InRange(affine.ShearX, 0.0699, 0.0700);
Assert.InRange(affine.ShearY, 0.0349, 0.0350);
Assert.Equal(0.0, affine.TranslateX);
Assert.Equal(0.0, affine.TranslateY);
}
public void Test_TransformSkew()
{
DrawableAffine affine = new DrawableAffine();
affine.TransformSkewX(4.0);
Assert.AreEqual(1.0, affine.ScaleX);
Assert.AreEqual(1.0, affine.ScaleY);
Assert.AreEqual(0.0699, affine.ShearX, 0.0001);
Assert.AreEqual(0.0, affine.ShearY);
Assert.AreEqual(0.0, affine.TranslateX);
Assert.AreEqual(0.0, affine.TranslateY);
affine.TransformSkewY(2.0);
Assert.AreEqual(1.0, affine.ScaleX);
Assert.AreEqual(1.0024, affine.ScaleY, 0.0001);
Assert.AreEqual(0.0699, affine.ShearX, 0.0001);
Assert.AreEqual(0.0349, affine.ShearY, 0.0001);
Assert.AreEqual(0.0, affine.TranslateX);
Assert.AreEqual(0.0, affine.TranslateY);
}
public void Test_Reset()
{
DrawableAffine affine = new DrawableAffine();
Assert.Equal(1.0, affine.ScaleX);
Assert.Equal(1.0, affine.ScaleY);
Assert.Equal(0.0, affine.ShearX);
Assert.Equal(0.0, affine.ShearY);
Assert.Equal(0.0, affine.TranslateX);
Assert.Equal(0.0, affine.TranslateY);
affine.ScaleX = 2.0;
Assert.Equal(2.0, affine.ScaleX);
Assert.Equal(1.0, affine.ScaleY);
Assert.Equal(0.0, affine.ShearX);
Assert.Equal(0.0, affine.ShearY);
Assert.Equal(0.0, affine.TranslateX);
Assert.Equal(0.0, affine.TranslateY);
affine.ScaleY = 3.0;
Assert.Equal(2.0, affine.ScaleX);
Assert.Equal(3.0, affine.ScaleY);
Assert.Equal(0.0, affine.ShearX);
Assert.Equal(0.0, affine.ShearY);
Assert.Equal(0.0, affine.TranslateX);
Assert.Equal(0.0, affine.TranslateY);
affine.ShearX = 4.0;
Assert.Equal(2.0, affine.ScaleX);
Assert.Equal(3.0, affine.ScaleY);
Assert.Equal(4.0, affine.ShearX);
Assert.Equal(0.0, affine.ShearY);
Assert.Equal(0.0, affine.TranslateX);
Assert.Equal(0.0, affine.TranslateY);
affine.ShearY = 5.0;
Assert.Equal(2.0, affine.ScaleX);
Assert.Equal(3.0, affine.ScaleY);
Assert.Equal(4.0, affine.ShearX);
Assert.Equal(5.0, affine.ShearY);
Assert.Equal(0.0, affine.TranslateX);
Assert.Equal(0.0, affine.TranslateY);
affine.TranslateX = 6.0;
Assert.Equal(2.0, affine.ScaleX);
Assert.Equal(3.0, affine.ScaleY);
Assert.Equal(4.0, affine.ShearX);
Assert.Equal(5.0, affine.ShearY);
Assert.Equal(6.0, affine.TranslateX);
Assert.Equal(0.0, affine.TranslateY);
affine.TranslateY = 7.0;
Assert.Equal(2.0, affine.ScaleX);
Assert.Equal(3.0, affine.ScaleY);
Assert.Equal(4.0, affine.ShearX);
Assert.Equal(5.0, affine.ShearY);
Assert.Equal(6.0, affine.TranslateX);
Assert.Equal(7.0, affine.TranslateY);
affine.Reset();
Assert.Equal(1.0, affine.ScaleX);
Assert.Equal(1.0, affine.ScaleY);
Assert.Equal(0.0, affine.ShearX);
Assert.Equal(0.0, affine.ShearY);
Assert.Equal(0.0, affine.TranslateX);
Assert.Equal(0.0, affine.TranslateY);
}
