public void Byte4()
{
// Test the limits.
Assert.Equal((uint)0x0, new Byte4(Vector4.Zero).PackedValue);
Assert.Equal(0xFFFFFFFF, new Byte4(Vector4.One * 255).PackedValue);
// Test ToVector4.
Assert.True(Equal(Vector4.One * 255, new Byte4(Vector4.One * 255).ToVector4()));
Assert.True(Equal(Vector4.Zero, new Byte4(Vector4.Zero).ToVector4()));
Assert.True(Equal(Vector4.UnitX * 255, new Byte4(Vector4.UnitX * 255).ToVector4()));
Assert.True(Equal(Vector4.UnitY * 255, new Byte4(Vector4.UnitY * 255).ToVector4()));
Assert.True(Equal(Vector4.UnitZ * 255, new Byte4(Vector4.UnitZ * 255).ToVector4()));
Assert.True(Equal(Vector4.UnitW * 255, new Byte4(Vector4.UnitW * 255).ToVector4()));
// Test clamping.
Assert.True(Equal(Vector4.Zero, new Byte4(Vector4.One * -1234.0f).ToVector4()));
Assert.True(Equal(Vector4.One * 255, new Byte4(Vector4.One * 1234.0f).ToVector4()));
// Test ordering
float x = 0x2d;
float y = 0x36;
float z = 0x7b;
float w = 0x1a;
Assert.Equal((uint)0x1a7b362d, new Byte4(x, y, z, w).PackedValue);
x = 127.5f;
y = -12.3f;
z = 0.5f;
w = -0.7f;
Assert.Equal((uint)128, new Byte4(x, y, z, w).PackedValue);
// Test ordering
var rgb = default(Rgb24);
var rgba = default(Rgba32);
var bgr = default(Bgr24);
var bgra = default(Bgra32);
new Byte4(x, y, z, w).ToRgb24(ref rgb);
Assert.Equal(rgb, new Rgb24(128, 0, 0));
new Byte4(x, y, z, w).ToRgba32(ref rgba);
Assert.Equal(rgba, new Rgba32(128, 0, 0, 0));
new Byte4(x, y, z, w).ToBgr24(ref bgr);
Assert.Equal(bgr, new Bgr24(128, 0, 0));
new Byte4(x, y, z, w).ToBgra32(ref bgra);
Assert.Equal(bgra, new Bgra32(128, 0, 0, 0));
var r = new Byte4();
r.PackFromRgba32(new Rgba32(20, 38, 0, 255));
r.ToRgba32(ref rgba);
Assert.Equal(rgba, new Rgba32(20, 38, 0, 255));
}
public void Byte4_ToRgba32()
{
// arrange
var byte4 = new Byte4(byte.MaxValue, byte.MaxValue, byte.MaxValue, byte.MaxValue);
var expected = new Rgba32(Vector4.One);
var actual = default(Rgba32);
// act
byte4.ToRgba32(ref actual);
Assert.Equal(expected, actual);
}
public void Byte4_Rgba32()
{
// arrange
var byte4 = new Byte4(127.5f, -12.3f, 0.5f, -0.7f);
var actual = default(Rgba32);
var expected = new Rgba32(128, 0, 0, 0);
// act
byte4.ToRgba32(ref actual);
// assert
Assert.Equal(expected, actual);
}